CN111053347A - Preparation method of draw-bar box - Google Patents
Preparation method of draw-bar box Download PDFInfo
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- CN111053347A CN111053347A CN201911316183.7A CN201911316183A CN111053347A CN 111053347 A CN111053347 A CN 111053347A CN 201911316183 A CN201911316183 A CN 201911316183A CN 111053347 A CN111053347 A CN 111053347A
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/04—Trunks; Travelling baskets
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/04—Frames
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a preparation method of a draw-bar box, which comprises an aluminum alloy framework, wherein the aluminum alloy framework comprises a transverse framework and a longitudinal framework, the transverse framework is fixedly connected to two sides of the outer surface of the longitudinal framework, the measuring ends of the transverse framework and the longitudinal framework are respectively provided with a bent framework, the outer surfaces of the transverse framework, the longitudinal framework and the bent framework are respectively provided with a through hole, the outer surface of the aluminum alloy framework is fixedly wrapped with an outer shell, the inner surface of the aluminum alloy framework is fixedly wrapped with an inner shell, the outer surface of the outer shell and the inner surface of the inner shell are respectively fixedly coated with a wear-resistant layer, the two sides of the aluminum alloy framework are wrapped with the outer shell and the inner shell, the plastic property of the box body can be ensured, the supporting safety of the inner framework is ensured, and the wear-resistant layers are combined and coated by, the use effect is ensured, and the production and preparation are facilitated.
Description
Technical Field
The invention relates to the technical field of draw-bar boxes, in particular to a preparation method of a draw-bar box.
Background
In the current social life, the draw-bar box is very popular, and particularly, the draw-bar box made of plastics is very popular with people due to beautiful color.
But current plastics draw-bar box structure, the plastics that directly use singly many carry out injection moulding, and not only the structural performance of material is poor like this, and support intensity is not high, and easy deformation damages influences life, and it reinforces still to be unfavorable for the installation skeleton moreover, treats to improve.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a method for preparing a draw-bar box.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a preparation method of draw-bar box, includes aluminum alloy skeleton, aluminum alloy skeleton includes horizontal skeleton and longitudinal skeleton, horizontal skeleton fixed connection is in longitudinal skeleton's surface both sides, the volume end of horizontal skeleton and longitudinal skeleton all is equipped with the skeleton of buckling, the surface of horizontal skeleton, longitudinal skeleton and the skeleton of buckling all is equipped with the through-hole, aluminum alloy skeleton's fixed surface cladding has outer casing, aluminum alloy skeleton's fixed surface cladding in inboard has the inlayer casing, the surface of outer casing and the fixed coating in the inboard surface of inlayer casing have the wearing layer.
Preferably, the number of the transverse frameworks and the number of the longitudinal frameworks are two, and the transverse frameworks and the longitudinal frameworks are stacked to form a quadrilateral structure.
Preferably, the outer shell and the inner shell are both made of polypropylene composite materials and comprise 40% -60% of polypropylene, 10% -20% of ethylene propylene rubber, 5% -15% of boron nitride, 5% -15% of kaolin and 1% -5% of antioxidant.
Preferably, the preparation method of the polypropylene composite material comprises the following steps:
a1, crushing polypropylene and ethylene propylene rubber, adding the crushed materials into a mixer for mixing, and uniformly stirring for 20 to 30 minutes at the speed of 50 to 60 revolutions per minute to obtain a mixed raw material;
a2, adding the mixed raw materials into a softening machine, heating to 120-140 ℃, and carrying out softening treatment for 2-3 hours to obtain a softened raw material;
a3, adding boron nitride, kaolin and an antioxidant into the softened raw material, and uniformly stirring for 40 to 50 minutes at the speed of 20 to 30 revolutions per minute to obtain a treated raw material;
and A4, adding the treated raw materials into a mixing roll for mixing to obtain the polypropylene composite material.
Preferably, the wear-resistant layer is made of waterproof wear-resistant paint by coating and comprises 15-25% of white corundum powder, 5-15% of nano calcium oxide, 40-50% of phenolic resin, 10-25% of p-xylene glycol and 5-15% of clay filler.
Preferably, the preparation method of the waterproof wear-resistant coating comprises the following steps:
b1, selecting raw material components, and respectively crushing to obtain crushed raw materials;
b2, mixing the phenolic resin and the terephthalyl alcohol, and uniformly stirring for 40 to 50 minutes at a speed of 50 to 70 revolutions per minute to obtain a mixed material;
b3, adding the white corundum powder and the nano calcium oxide into the mixed material, uniformly stirring for 60 to 80 minutes at the speed of 10 to 15 revolutions per minute, adding the clay filler, and continuously stirring to prepare a suspension;
and B4, continuously stirring the suspension, and filtering out the floating substances on the upper layer to obtain the waterproof wear-resistant coating.
Preferably, the preparation method of the draw-bar box comprises the following steps:
c1, selecting an aluminum alloy strip plate, and bending by using a bending machine to form a transverse framework and a longitudinal framework with bent frameworks;
c2, drilling holes on the transverse framework, the longitudinal framework and the bending framework to form through holes;
c3, combining and splicing the transverse framework and the longitudinal framework, and then carrying out aluminum water welding at the connecting position to form an aluminum alloy framework;
c4, combining an injection molding machine with an injection molding outer layer mold, performing injection molding on the outer side of the aluminum alloy framework to form an outer layer shell, and then directly coating the outer surface to form a wear-resistant layer;
c5, demolding after the outer shell is molded, then using an inner layer mold to injection mold the inner shell on the inner side of the aluminum alloy framework, and then directly coating the inner surface to form a wear-resistant layer;
c6, after completely shaping and demolding, polishing the inner layer and the outer layer, and removing burrs and burrs to prepare the draw-bar box body structure.
According to the preparation method of the draw-bar box, the outer shell and the inner shell are coated on the two sides of the aluminum alloy framework, so that the plastic property of the box body can be guaranteed, the supporting safety of the inner framework is guaranteed, the use is facilitated, and various composite materials are adopted to combine and coat the wear-resistant layer, so that the stability of the plastic box body is effectively improved, the use effect is guaranteed, and the production and the preparation are facilitated.
Drawings
FIG. 1 is a schematic view of a structural junction according to the present invention;
FIG. 2 is a schematic diagram of the transverse skeleton structure of the present invention;
FIG. 3 is a schematic view of the aluminum alloy skeleton structure of the present invention.
In the figure: 1 aluminum alloy framework, 11 transverse frameworks, 12 longitudinal frameworks, 13 bending frameworks, 14 through holes, 15 outer-layer shells, 16 inner-layer shells and 17 wear-resistant layers.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A preparation method of a draw-bar box comprises an aluminum alloy framework 1, wherein the aluminum alloy framework 1 comprises a transverse framework 11 and a longitudinal framework 12, the transverse framework 11 is fixedly connected to two sides of the outer surface of the longitudinal framework 12, the quantity ends of the transverse framework 11 and the longitudinal framework 12 are respectively provided with a bending framework 13, a box body structure can be formed to support, the box body structure is relatively stable, injection molding is facilitated, through holes 14 are formed in the outer surfaces of the transverse framework 11, the longitudinal framework 12 and the bending framework 13, combination of plastics is facilitated during injection molding, tightness of the framework structure is guaranteed, supporting strength and use safety are improved, an outer shell 15 is wrapped on the outer surface of the aluminum alloy framework 1, an inner shell 16 is wrapped on the inner surface of the aluminum alloy framework 14, and a wear-resistant layer 17 is fixedly coated on the outer surface of the outer shell 15 and the inner surface of the inner shell 16, can effectively improve the surface wear resistance and ensure the use stability.
Preferably, there are two transverse frameworks 11 and two longitudinal frameworks 12, and they are stacked to form a quadrilateral structure.
Preferably, the outer shell 15 and the inner shell 16 are both made of polypropylene composite materials, and comprise 45% of polypropylene, 20% of ethylene propylene rubber, 15% of boron nitride, 15% of kaolin and 5% of antioxidant.
Preferably, the preparation method of the polypropylene composite material comprises the following steps:
a1, crushing polypropylene and ethylene propylene rubber, adding the crushed materials into a mixer for mixing, and uniformly stirring for 20 to 30 minutes at the speed of 50 to 60 revolutions per minute to obtain a mixed raw material;
a2, adding the mixed raw materials into a softening machine, heating to 120-140 ℃, and carrying out softening treatment for 2-3 hours to obtain a softened raw material;
a3, adding boron nitride, kaolin and an antioxidant into the softened raw material, and uniformly stirring for 40 to 50 minutes at the speed of 20 to 30 revolutions per minute to obtain a treated raw material;
and A4, adding the treated raw materials into a mixing roll for mixing to obtain the polypropylene composite material.
Preferably, the wear-resistant layer 17 is made of waterproof wear-resistant paint and comprises 20% of white corundum powder, 10% of nano calcium oxide, 45% of phenolic resin, 20% of terephthalyl alcohol and 5% of clay filler.
Preferably, the preparation method of the waterproof wear-resistant coating comprises the following steps:
b1, selecting raw material components, and respectively crushing to obtain crushed raw materials;
b2, mixing the phenolic resin and the terephthalyl alcohol, and uniformly stirring for 40 to 50 minutes at a speed of 50 to 70 revolutions per minute to obtain a mixed material;
b3, adding the white corundum powder and the nano calcium oxide into the mixed material, uniformly stirring for 60 to 80 minutes at the speed of 10 to 15 revolutions per minute, adding the clay filler, and continuously stirring to prepare a suspension;
and B4, continuously stirring the suspension, and filtering out the floating substances on the upper layer to obtain the waterproof wear-resistant coating.
Preferably, the preparation method of the draw-bar box comprises the following steps:
c1, selecting an aluminum alloy strip plate, and bending by using a bending machine to form a transverse framework and a longitudinal framework with bent frameworks;
c2, drilling holes on the transverse framework, the longitudinal framework and the bending framework to form through holes;
c3, combining and splicing the transverse framework and the longitudinal framework, and then carrying out aluminum water welding at the connecting position to form an aluminum alloy framework;
c4, combining an injection molding machine with an injection molding outer layer mold, performing injection molding on the outer side of the aluminum alloy framework to form an outer layer shell, and then directly coating the outer surface to form a wear-resistant layer;
c5, demolding after the outer shell is molded, then using an inner layer mold to injection mold the inner shell on the inner side of the aluminum alloy framework, and then directly coating the inner surface to form a wear-resistant layer;
c6, after completely shaping and demolding, polishing the inner layer and the outer layer, and removing burrs and burrs to prepare the draw-bar box body structure.
Example 2
A preparation method of a draw-bar box comprises an aluminum alloy framework 1, wherein the aluminum alloy framework 1 comprises a transverse framework 11 and a longitudinal framework 12, the transverse framework 11 is fixedly connected to two sides of the outer surface of the longitudinal framework 12, the quantity ends of the transverse framework 11 and the longitudinal framework 12 are respectively provided with a bending framework 13, a box body structure can be formed to support, the box body structure is relatively stable, injection molding is facilitated, through holes 14 are formed in the outer surfaces of the transverse framework 11, the longitudinal framework 12 and the bending framework 13, combination of plastics is facilitated during injection molding, tightness of the framework structure is guaranteed, supporting strength and use safety are improved, an outer shell 15 is wrapped on the outer surface of the aluminum alloy framework 1, an inner shell 16 is wrapped on the inner surface of the aluminum alloy framework 14, and a wear-resistant layer 17 is fixedly coated on the outer surface of the outer shell 15 and the inner surface of the inner shell 16, can effectively improve the surface wear resistance and ensure the use stability.
Preferably, there are two transverse frameworks 11 and two longitudinal frameworks 12, and they are stacked to form a quadrilateral structure.
Preferably, the outer shell 15 and the inner shell 16 are both made of polypropylene composite materials, and comprise 50% of polypropylene, 20% of ethylene propylene rubber, 10% of boron nitride, 15% of kaolin and 5% of antioxidant.
Preferably, the preparation method of the polypropylene composite material comprises the following steps:
a1, crushing polypropylene and ethylene propylene rubber, adding the crushed materials into a mixer for mixing, and uniformly stirring for 20 to 30 minutes at the speed of 50 to 60 revolutions per minute to obtain a mixed raw material;
a2, adding the mixed raw materials into a softening machine, heating to 120-140 ℃, and carrying out softening treatment for 2-3 hours to obtain a softened raw material;
a3, adding boron nitride, kaolin and an antioxidant into the softened raw material, and uniformly stirring for 40 to 50 minutes at the speed of 20 to 30 revolutions per minute to obtain a treated raw material;
and A4, adding the treated raw materials into a mixing roll for mixing to obtain the polypropylene composite material.
Preferably, the wear-resistant layer 17 is made of waterproof wear-resistant paint and comprises 15% of white corundum powder, 15% of nano calcium oxide, 40% of phenolic resin, 15% of p-xylene glycol and 15% of clay filler.
Preferably, the preparation method of the waterproof wear-resistant coating comprises the following steps:
b1, selecting raw material components, and respectively crushing to obtain crushed raw materials;
b2, mixing the phenolic resin and the terephthalyl alcohol, and uniformly stirring for 40 to 50 minutes at a speed of 50 to 70 revolutions per minute to obtain a mixed material;
b3, adding the white corundum powder and the nano calcium oxide into the mixed material, uniformly stirring for 60 to 80 minutes at the speed of 10 to 15 revolutions per minute, adding the clay filler, and continuously stirring to prepare a suspension;
and B4, continuously stirring the suspension, and filtering out the floating substances on the upper layer to obtain the waterproof wear-resistant coating.
Preferably, the preparation method of the draw-bar box comprises the following steps:
c1, selecting an aluminum alloy strip plate, and bending by using a bending machine to form a transverse framework and a longitudinal framework with bent frameworks;
c2, drilling holes on the transverse framework, the longitudinal framework and the bending framework to form through holes;
c3, combining and splicing the transverse framework and the longitudinal framework, and then carrying out aluminum water welding at the connecting position to form an aluminum alloy framework;
c4, combining an injection molding machine with an injection molding outer layer mold, performing injection molding on the outer side of the aluminum alloy framework to form an outer layer shell, and then directly coating the outer surface to form a wear-resistant layer;
c5, demolding after the outer shell is molded, then using an inner layer mold to injection mold the inner shell on the inner side of the aluminum alloy framework, and then directly coating the inner surface to form a wear-resistant layer;
c6, after completely shaping and demolding, polishing the inner layer and the outer layer, and removing burrs and burrs to prepare the draw-bar box body structure.
Claims (7)
1. The preparation method of the draw-bar box comprises an aluminum alloy framework (1), and is characterized in that: aluminum alloy skeleton (1) is including horizontal skeleton (11) and vertical skeleton (12), horizontal skeleton (11) fixed connection is in the surface both sides of vertical skeleton (12), the volume end of horizontal skeleton (11) and vertical skeleton (12) all is equipped with the skeleton (13) of buckling, the surface of horizontal skeleton (11), vertical skeleton (12) and the skeleton (13) of buckling all is equipped with through-hole (14), the fixed surface cladding of aluminum alloy skeleton (1) has outer casing (15), the fixed surface cladding of the inboard of aluminum alloy skeleton (14) has inlayer casing (16), the surface of outer casing (15) and the fixed coating of the inboard surface of inlayer casing (16) have wearing layer (17).
2. The method of manufacturing a draw-bar box according to claim 1, wherein: the transverse frameworks (11) and the longitudinal frameworks (12) are two in number and are stacked to form a quadrilateral structure.
3. The method of manufacturing a draw-bar box according to claim 1, wherein: the outer shell (15) and the inner shell (16) are both made of polypropylene composite materials and comprise 40-60% of polypropylene, 10-20% of ethylene propylene rubber, 5-15% of boron nitride, 5-15% of kaolin and 1-5% of antioxidant.
4. The method for manufacturing a draw-bar box according to claim 3, wherein: the preparation method of the polypropylene composite material comprises the following steps:
a1, crushing polypropylene and ethylene propylene rubber, adding the crushed materials into a mixer for mixing, and uniformly stirring for 20 to 30 minutes at the speed of 50 to 60 revolutions per minute to obtain a mixed raw material;
a2, adding the mixed raw materials into a softening machine, heating to 120-140 ℃, and carrying out softening treatment for 2-3 hours to obtain a softened raw material;
a3, adding boron nitride, kaolin and an antioxidant into the softened raw material, and uniformly stirring for 40 to 50 minutes at the speed of 20 to 30 revolutions per minute to obtain a treated raw material;
and A4, adding the treated raw materials into a mixing roll for mixing to obtain the polypropylene composite material.
5. The method of manufacturing a draw-bar box according to claim 1, wherein: the wear-resistant layer (17) is made of waterproof wear-resistant paint and comprises 15-25% of white corundum powder, 5-15% of nano calcium oxide, 40-50% of phenolic resin, 10-25% of p-xylene glycol and 5-15% of clay filler.
6. The method for manufacturing a draw-bar box according to claim 5, wherein: the preparation method of the waterproof wear-resistant coating comprises the following steps:
b1, selecting raw material components, and respectively crushing to obtain crushed raw materials;
b2, mixing the phenolic resin and the terephthalyl alcohol, and uniformly stirring for 40 to 50 minutes at a speed of 50 to 70 revolutions per minute to obtain a mixed material;
b3, adding the white corundum powder and the nano calcium oxide into the mixed material, uniformly stirring for 60 to 80 minutes at the speed of 10 to 15 revolutions per minute, adding the clay filler, and continuously stirring to prepare a suspension;
and B4, continuously stirring the suspension, and filtering out the floating substances on the upper layer to obtain the waterproof wear-resistant coating.
7. The method of manufacturing a draw-bar box according to claim 1, wherein: the preparation method of the draw-bar box comprises the following steps:
c1, selecting an aluminum alloy strip plate, and bending by using a bending machine to form a transverse framework and a longitudinal framework with bent frameworks;
c2, drilling holes on the transverse framework, the longitudinal framework and the bending framework to form through holes;
c3, combining and splicing the transverse framework and the longitudinal framework, and then carrying out aluminum water welding at the connecting position to form an aluminum alloy framework;
c4, combining an injection molding machine with an injection molding outer layer mold, performing injection molding on the outer side of the aluminum alloy framework to form an outer layer shell, and then directly coating the outer surface to form a wear-resistant layer;
c5, demolding after the outer shell is molded, then using an inner layer mold to injection mold the inner shell on the inner side of the aluminum alloy framework, and then directly coating the inner surface to form a wear-resistant layer;
c6, after completely shaping and demolding, polishing the inner layer and the outer layer, and removing burrs and burrs to prepare the draw-bar box body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316183.7A CN111053347A (en) | 2019-12-19 | 2019-12-19 | Preparation method of draw-bar box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454932A (en) * | 2020-11-06 | 2021-03-09 | 瑞安市瑞升箱包配件有限公司 | Production process of draw-bar component for draw-bar box |
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| CN102655782A (en) * | 2009-12-18 | 2012-09-05 | 新秀丽Ip控股有限责任公司 | Assembly structure for a luggage case |
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| CN112454932A (en) * | 2020-11-06 | 2021-03-09 | 瑞安市瑞升箱包配件有限公司 | Production process of draw-bar component for draw-bar box |
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Application publication date: 20200424 |
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