CN107999588A - The curved impact forming method of rotation of refrigerator door plank - Google Patents
The curved impact forming method of rotation of refrigerator door plank Download PDFInfo
- Publication number
- CN107999588A CN107999588A CN201711073309.3A CN201711073309A CN107999588A CN 107999588 A CN107999588 A CN 107999588A CN 201711073309 A CN201711073309 A CN 201711073309A CN 107999588 A CN107999588 A CN 107999588A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- alloy panel
- parts
- panel
- refrigerator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refrigerator Housings (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention discloses the curved impact forming method of rotation of refrigerator door plank, prepare raw material, first equip a plate, and the plate is aluminum alloy material, and the aluminium alloy panel is adapted with the internal area of refrigerator doors, wherein the inner side of refrigerator doors is equipped with rectangle mounting groove, the aluminium alloy panel is cut, mounting hole position is evenly distributed on the surface of aluminium alloy panel, aluminium alloy panel is placed on rotation bending edge mould again, to four marginal portion flanging processing of aluminium alloy panel, form installation folding, and in punching course, also mounting hole position can have been rushed on flanging accordingly, so as to facilitate aluminium alloy panel to be installed in refrigerator doors, one layer of sound deadening coating is scribbled to the aluminium alloy panel surface after antirust treatment in S3.Aluminium alloy panel surface of the present invention scribbles one layer of sound deadening coating so that the soundproof effect of panel is more preferable, is more suitable for being installed in refrigerator, is adapted to promote.
Description
Technical field
The present invention relates to the curved punch forming side of rotation of refrigerator door plank processing technique field, more particularly to refrigerator door plank
Method.
Background technology
Refrigerator is to maintain a kind of refrigeration plant of constant low temperature, and one kind makes food or other articles keep constant low temperature
The product for civilian use of cold conditions.There are compressor, ice machine in babinet to the cabinet or case that freeze, the hutch with refrigerating plant.Family
It it is usually 20~500 liters with the volume of refrigerator.The domestic refrigerator of First compression-type refrigeration in the world in 1910 is asked in the U.S.
Generation.Lido company of nineteen twenty-five Sweden develops family expenses absorption refrigerator.Nineteen twenty-seven General Electric Company is developed totally-enclosed
Formula refrigerator.Nineteen thirty is launched using the continuous diffusion absorption refrigerator of air cooling of different heating mode.Develop within 1931
Success novel refrigerant freon.The latter half fifties starts to produce family expenses thermoelectric refrigerator, and China produces electricity since the fifties
Refrigerator.
The inside of refrigerator doors is fixed with refrigerator door plank, which plays the role of strengthening refrigerator doors, effectively strengthens refrigerator
Door intensity, and existing refrigerator door plank moulding process it is complex, it is necessary to by refrigerator doors be put into complexity die for molding,
The panel of processing is divided into two steps, first punching, then flanging, good forming effect by the present invention, and the panel after existing shaping does not have
Standby sound-absorbing effect, for this reason, the present invention proposes the curved impact forming method of rotation of refrigerator door plank.
The content of the invention
The purpose of the present invention is to solve shortcoming existing in the prior art, and the curved punching of rotation of the refrigerator door plank proposed
Transfer moulding method.
To achieve these goals, present invention employs following technical solution：
The curved impact forming method of rotation of refrigerator door plank, comprises the following steps,
S1, prepares raw material, first equips a plate, and the plate is aluminum alloy material, and the aluminium alloy panel and refrigerator doors
Internal area is adapted, and wherein the inner side of refrigerator doors is equipped with rectangle mounting groove, which is cut so that aluminium
The length of alloy panel and wide than long and wide long 4~6cm of mounting groove；
S2, carries out surface polishing treatment, the aluminium alloy panel after processing is placed in stamping die, right to the aluminium alloy panel in S1
Aluminium alloy panel carries out punching press, so as to form screw mounting hole position, mounting hole position is evenly distributed on the surface of aluminium alloy panel, then
Aluminium alloy panel is placed on rotation bending edge mould, to four marginal portion flanging processing of aluminium alloy panel, forms installation folding,
And can also rush mounting hole position accordingly in punching course, on flanging, so as to facilitate aluminium alloy panel to be installed in refrigerator doors；
S3, antirust treatment is done to the panel after machine-shaping in S2, the panel surface after shaping is scribbled one layer of antirust agent, so
The Corrosion Protection of aluminium alloy panel greatly improves；
S4, scribbles one layer of sound deadening coating to the aluminium alloy panel surface after antirust treatment in S3, then dries, by screw by ice
Chamber door panel is installed in refrigerator.
Preferably, the sound deadening coating includes the raw material of following parts by weight：35~40 parts of base polyurethane prepolymer for use as, N- methylols
2~2.5 parts of acrylamide, 2~5 parts of dibutyl phthalate, zirconium -0.5~1 part of aluminate coupling agent, titanium dioxide 12~
25 parts, 0.1~0.3 part of defoamer, 0.1~0.3 part of association thickener, 10~15 parts of mixed solvent, sound-absorbing material 8~10
Part.
Preferably, the sound deadening coating includes the raw material of following parts by weight：37.5 parts of base polyurethane prepolymer for use as, N- methylols third
2.25 parts of acrylamide, 3.5 parts of dibutyl phthalate, zirconium-aluminate coupling agent part, 17 parts of titanium dioxide, defoamer 0.2
Part, 0.2 part of association thickener, 12.5 parts of mixed solvent, 9 parts of sound-absorbing material.
Preferably, the base polyurethane prepolymer for use as is the performed polymer with NCO end groups, and molecular weight is between 4000-10000.
Preferably, the mixed solvent is that lignin, butyl glycol ether and water mixing, part by weight are followed successively by 3:1:
10。
Preferably, the sound-absorbing material is wood-fibred, sericite in powder and amorphous silica selected from 120~200 mesh
In one or more.
Preferably, the zirconium-aluminate coupling agent is a kind of amphiprotic substance, has the work of specific function " molecular bridge "
With, its one end can be chemically reacted with filler titanium dioxide by the chelating between zirconium-aluminium, formed strong chemical bond and,
The other end can form electrostatical binding with the electric charge of fiber surface, so that two kinds of very big materials of nature difference have been securely joined with
Come.
The curved impact forming method of rotation of refrigerator door plank proposed by the present invention, rotation bending edge mould is placed on by aluminium alloy panel
On, to four marginal portion flanging processing of aluminium alloy panel, installation folding is formed, and in punching course, also can phase on flanging
That answers has rushed mounting hole position, so as to facilitate aluminium alloy panel to be installed in refrigerator doors, processing method is simple, good forming effect, aluminium
Alloy panel surface scribbles one layer of sound deadening coating so that the soundproof effect of panel is more preferable, is more suitable for being installed in refrigerator, is adapted to
Promote.
Embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
The curved impact forming method of rotation of refrigerator door plank proposed by the present invention, comprises the following steps,
S1, prepares raw material, first equips a plate, and the plate is aluminum alloy material, and the aluminium alloy panel and refrigerator doors
Internal area is adapted, and wherein the inner side of refrigerator doors is equipped with rectangle mounting groove, which is cut so that aluminium
The length and width of alloy panel are than the long and wide long 4cm of mounting groove；
S2, carries out surface polishing treatment, the aluminium alloy panel after processing is placed in stamping die, right to the aluminium alloy panel in S1
Aluminium alloy panel carries out punching press, so as to form screw mounting hole position, mounting hole position is evenly distributed on the surface of aluminium alloy panel, then
Aluminium alloy panel is placed on rotation bending edge mould, to four marginal portion flanging processing of aluminium alloy panel, forms installation folding,
And can also rush mounting hole position accordingly in punching course, on flanging, so as to facilitate aluminium alloy panel to be installed in refrigerator doors；
S3, antirust treatment is done to the panel after machine-shaping in S2, the panel surface after shaping is scribbled one layer of antirust agent, so
The Corrosion Protection of aluminium alloy panel greatly improves；
S4, scribbles the aluminium alloy panel surface after antirust treatment in S3 one layer of sound deadening coating, and sound deadening coating includes following weight
The raw material of part：35 parts of base polyurethane prepolymer for use as, 2 parts of N hydroxymethyl acrylamide, 2 parts of dibutyl phthalate, zirconium-Aluminate
0.5 part of class coupling agent, 12 parts of titanium dioxide, 0.1 part of defoamer, 0.1 part of association thickener, 10 parts of mixed solvent, sound-absorbing material 8
Part, then dry, refrigerator door plank is installed in refrigerator by screw.
Embodiment two
The curved impact forming method of rotation of refrigerator door plank proposed by the present invention, comprises the following steps,
S1, prepares raw material, first equips a plate, and the plate is aluminum alloy material, and the aluminium alloy panel and refrigerator doors
Internal area is adapted, and wherein the inner side of refrigerator doors is equipped with rectangle mounting groove, which is cut so that aluminium
The length and width of alloy panel are than the long and wide long 4cm of mounting groove；
S2, carries out surface polishing treatment, the aluminium alloy panel after processing is placed in stamping die, right to the aluminium alloy panel in S1
Aluminium alloy panel carries out punching press, so as to form screw mounting hole position, mounting hole position is evenly distributed on the surface of aluminium alloy panel, then
Aluminium alloy panel is placed on rotation bending edge mould, to four marginal portion flanging processing of aluminium alloy panel, forms installation folding,
And can also rush mounting hole position accordingly in punching course, on flanging, so as to facilitate aluminium alloy panel to be installed in refrigerator doors；
S3, antirust treatment is done to the panel after machine-shaping in S2, the panel surface after shaping is scribbled one layer of antirust agent, so
The Corrosion Protection of aluminium alloy panel greatly improves；
S4, scribbles the aluminium alloy panel surface after antirust treatment in S3 one layer of sound deadening coating, and sound deadening coating includes following weight
The raw material of part：37 parts of base polyurethane prepolymer for use as, 2.1 parts of N hydroxymethyl acrylamide, 3 parts of dibutyl phthalate, zirconium-aluminic acid
0.6 part of esters coupling agent, 15 parts of titanium dioxide, 0.13 part of defoamer, 0.15 part of association thickener, 11 parts of mixed solvent, sound-absorbing
8.5 parts of material, then dries, and refrigerator door plank is installed in refrigerator by screw.
Embodiment three
The curved impact forming method of rotation of refrigerator door plank proposed by the present invention, comprises the following steps,
S1, prepares raw material, first equips a plate, and the plate is aluminum alloy material, and the aluminium alloy panel and refrigerator doors
Internal area is adapted, and wherein the inner side of refrigerator doors is equipped with rectangle mounting groove, which is cut so that aluminium
The length and width of alloy panel are than the long and wide long 4cm of mounting groove；
S2, carries out surface polishing treatment, the aluminium alloy panel after processing is placed in stamping die, right to the aluminium alloy panel in S1
Aluminium alloy panel carries out punching press, so as to form screw mounting hole position, mounting hole position is evenly distributed on the surface of aluminium alloy panel, then
Aluminium alloy panel is placed on rotation bending edge mould, to four marginal portion flanging processing of aluminium alloy panel, forms installation folding,
And can also rush mounting hole position accordingly in punching course, on flanging, so as to facilitate aluminium alloy panel to be installed in refrigerator doors；
S3, antirust treatment is done to the panel after machine-shaping in S2, the panel surface after shaping is scribbled one layer of antirust agent, so
The Corrosion Protection of aluminium alloy panel greatly improves；
S4, scribbles the aluminium alloy panel surface after antirust treatment in S3 one layer of sound deadening coating, and sound deadening coating includes following weight
The raw material of part：38 parts of base polyurethane prepolymer for use as, 2.3 parts of N hydroxymethyl acrylamide, 3.5 parts of dibutyl phthalate, zirconium-aluminium
0.8 part of esters of gallic acid coupling agent, 18 parts of titanium dioxide, 0.2 part of defoamer, 0.2 part of association thickener, 13 parts of mixed solvent, sound-absorbing
9 parts of material, then dries, and refrigerator door plank is installed in refrigerator by screw.
Example IV
The curved impact forming method of rotation of refrigerator door plank proposed by the present invention, comprises the following steps,
S1, prepares raw material, first equips a plate, and the plate is aluminum alloy material, and the aluminium alloy panel and refrigerator doors
Internal area is adapted, and wherein the inner side of refrigerator doors is equipped with rectangle mounting groove, which is cut so that aluminium
The length and width of alloy panel are than the long and wide long 4cm of mounting groove；
S2, carries out surface polishing treatment, the aluminium alloy panel after processing is placed in stamping die, right to the aluminium alloy panel in S1
Aluminium alloy panel carries out punching press, so as to form screw mounting hole position, mounting hole position is evenly distributed on the surface of aluminium alloy panel, then
Aluminium alloy panel is placed on rotation bending edge mould, to four marginal portion flanging processing of aluminium alloy panel, forms installation folding,
And can also rush mounting hole position accordingly in punching course, on flanging, so as to facilitate aluminium alloy panel to be installed in refrigerator doors；
S3, antirust treatment is done to the panel after machine-shaping in S2, the panel surface after shaping is scribbled one layer of antirust agent, so
The Corrosion Protection of aluminium alloy panel greatly improves；
S4, scribbles the aluminium alloy panel surface after antirust treatment in S3 one layer of sound deadening coating, and sound deadening coating includes following weight
The raw material of part：40 parts of base polyurethane prepolymer for use as, 2.5 parts of N hydroxymethyl acrylamide, 5 parts of dibutyl phthalate, zirconium-aluminic acid
1 part of esters coupling agent, 25 parts of titanium dioxide, 0.3 part of defoamer, 0.3 part of association thickener, 15 parts of mixed solvent, sound-absorbing material
10 parts, then dry, refrigerator door plank is installed in refrigerator by screw.
Sound insulation test is carried out to four kinds of panels in embodiment, and contrast it is existing in panel as a control group, by embodiment
In panel and control group in panel be installed on same refrigerator back, record installation panel after soundproof effect.
| Embodiment | One | Two | Three | Four | Control group |
| Reduce decibel value | 5 | 5 | 6 | 5 | 4 |
By above table it is recognised that installing the refrigerator of this panel, soundproof effect greatly improves, than control group soundproof effect
More preferably.
The curved impact forming method of rotation of refrigerator door plank proposed by the present invention, rotation bending edge mould is placed on by aluminium alloy panel
On, to four marginal portion flanging processing of aluminium alloy panel, installation folding is formed, and in punching course, also can phase on flanging
That answers has rushed mounting hole position, so as to facilitate aluminium alloy panel to be installed in refrigerator doors, processing method is simple, good forming effect, aluminium
Alloy panel surface scribbles one layer of sound deadening coating so that the soundproof effect of panel is more preferable, is more suitable for being installed in refrigerator, is adapted to
Promote.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. the curved impact forming method of the rotation of refrigerator door plank, it is characterised in that comprise the following steps,
S1, prepares raw material, first equips a plate, and the plate is aluminum alloy material, and the aluminium alloy panel and refrigerator doors
Internal area is adapted, and wherein the inner side of refrigerator doors is equipped with rectangle mounting groove, which is cut so that aluminium
The length of alloy panel and wide than long and wide long 4~6cm of mounting groove；
S2, carries out surface polishing treatment, the aluminium alloy panel after processing is placed in stamping die, right to the aluminium alloy panel in S1
Aluminium alloy panel carries out punching press, so as to form screw mounting hole position, mounting hole position is evenly distributed on the surface of aluminium alloy panel, then
Aluminium alloy panel is placed on rotation bending edge mould, to four marginal portion flanging processing of aluminium alloy panel, forms installation folding,
And can also rush mounting hole position accordingly in punching course, on flanging, so as to facilitate aluminium alloy panel to be installed in refrigerator doors；
S3, antirust treatment is done to the panel after machine-shaping in S2, the panel surface after shaping is scribbled one layer of antirust agent, so
The Corrosion Protection of aluminium alloy panel greatly improves；
S4, scribbles one layer of sound deadening coating to the aluminium alloy panel surface after antirust treatment in S3, then dries, by screw by ice
Chamber door panel is installed in refrigerator.
2. the curved impact forming method of the rotation of refrigerator door plank according to claim 1, it is characterised in that the sound deadening coating
Include the raw material of following parts by weight：35~40 parts of base polyurethane prepolymer for use as, 2~2.5 parts of N hydroxymethyl acrylamide, phthalic acid
2~5 parts of dibutyl ester, zirconium -0.5~1 part of aluminate coupling agent, 12~25 parts of titanium dioxide, 0.1~0.3 part of defoamer, association
0.1~0.3 part of type thickener, 10~15 parts of mixed solvent, 8~10 parts of sound-absorbing material.
3. the curved impact forming method of the rotation of refrigerator door plank according to claim 2, it is characterised in that the sound deadening coating
Include the raw material of following parts by weight：37.5 parts of base polyurethane prepolymer for use as, 2.25 parts of N hydroxymethyl acrylamide, two fourth of phthalic acid
3.5 parts of ester, zirconium-aluminate coupling agent part, 17 parts of titanium dioxide, 0.2 part of defoamer, 0.2 part of association thickener, mixing are molten
12.5 parts of agent, 9 parts of sound-absorbing material.
4. the curved impact forming method of the rotation of refrigerator door plank according to claim 2, it is characterised in that the polyurethane is pre-
Aggressiveness is the performed polymer with NCO end groups, and molecular weight is between 4000-10000.
5. the curved impact forming method of the rotation of refrigerator door plank according to claim 2, it is characterised in that the mixing is molten
Agent is that lignin, butyl glycol ether and water mixing, part by weight are followed successively by 3:1:10.
6. the curved impact forming method of the rotation of refrigerator door plank according to claim 2, it is characterised in that the sound-absorbing material
It is the one or more in the wood-fibred selected from 120~200 mesh, sericite in powder and amorphous silica.
7. the curved impact forming method of the rotation of refrigerator door plank according to claim 2, it is characterised in that the zirconium-aluminic acid
Esters coupling agent is a kind of amphiprotic substance, has the function that specific function " molecular bridge ", and its one end can pass through with filler titanium dioxide
Chelating between zirconium-aluminium chemically reacts, and forms strong chemical bond and the other end can be formed with the electric charge of fiber surface
Electrostatical binding, so that two kinds of very big materials of nature difference are securely joined with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073309.3A CN107999588A (en) | 2017-11-04 | 2017-11-04 | The curved impact forming method of rotation of refrigerator door plank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073309.3A CN107999588A (en) | 2017-11-04 | 2017-11-04 | The curved impact forming method of rotation of refrigerator door plank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107999588A true CN107999588A (en) | 2018-05-08 |
Family
ID=62052117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711073309.3A Pending CN107999588A (en) | 2017-11-04 | 2017-11-04 | The curved impact forming method of rotation of refrigerator door plank |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687218A (en) * | 2018-05-21 | 2018-10-23 | 安徽龙磁精密器件有限公司 | It is a kind of to rush mica mold for commutator production |
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| CN104236221A (en) * | 2014-09-12 | 2014-12-24 | 合肥华凌股份有限公司 | Manufacturing method for refrigerator door shell |
| CN104789107A (en) * | 2015-03-30 | 2015-07-22 | 广西超星太阳能科技有限公司 | Waterborne polyurethane thermal-insulating sound-absorbing coating and preparation method thereof |
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| CN205747666U (en) * | 2016-05-18 | 2016-11-30 | 浙江爱雪制冷电器有限公司 | Refrigerator door folded edges |
| CN106679297A (en) * | 2017-01-05 | 2017-05-17 | 滁州美业机械制造有限公司 | Refrigerator door and punched part connecting structure |
| CN106734625A (en) * | 2016-12-31 | 2017-05-31 | 滁州市艾德模具设备有限公司 | A kind of refrigerator door termination bending cornerite mould |
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| CN2310276Y (en) * | 1997-10-05 | 1999-03-10 | 海尔集团公司 | Noise silencing adhesive stick piece |
| CN2348032Y (en) * | 1998-12-29 | 1999-11-10 | 孙荣兴 | Foamed sponge acoustic board |
| KR20110082209A (en) * | 2010-01-11 | 2011-07-19 | 차재욱 | Bending machine and method for processing a metal plate using bending machine |
| CN102198462A (en) * | 2011-04-22 | 2011-09-28 | 广东科龙模具有限公司 | Spinning punch forming method for refrigerator door panel |
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| CN108687218A (en) * | 2018-05-21 | 2018-10-23 | 安徽龙磁精密器件有限公司 | It is a kind of to rush mica mold for commutator production |
| CN108687218B (en) * | 2018-05-21 | 2024-02-06 | 安徽龙磁精密器件有限公司 | Mica punching die for commutator production |
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Application publication date: 20180508 |