CN111802744A - Plastic shoe shell and forming process and using method thereof - Google Patents
Plastic shoe shell and forming process and using method thereof Download PDFInfo
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- CN111802744A CN111802744A CN202010627759.8A CN202010627759A CN111802744A CN 111802744 A CN111802744 A CN 111802744A CN 202010627759 A CN202010627759 A CN 202010627759A CN 111802744 A CN111802744 A CN 111802744A
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- toe cap
- shoe
- plastic
- shell
- shoe body
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/14—Footwear characterised by the material made of plastics
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
- A43B23/0225—Composite materials, e.g. material with a matrix
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/06—Shoes with flaps; Footwear with divided uppers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic shoe shell and a forming process and a using method thereof, wherein the plastic shoe shell comprises a toe cap and a shoe body, the toe cap and the shoe body are integrally injected and molded, a reticular heating wire is arranged in the shoe body, a power supply connector is arranged at the lower part of a heel of the shoe body and electrically connected with the reticular heating wire, and a composite material adopted by injection molding of the shoe body comprises the following components in percentage by weight: PP 80-95%, ABS 1-8%, thermoplastic polyurethane 2-15%, nylon fiber 0.5-2%, alumina fiber 0.1-0.8%, PE wax 1-5%, maleic anhydride grafted polyolefin 0.3-1%, and antioxidant 0.01-0.5%. The plastic shoe shell has simple structure and convenient manufacture, and the injection molding material adopted by the shoe body has proper components and proportion, so that the shoe body has good toughness, wear resistance, good thermoplasticity and firm connection with the toe cap.
Description
Technical Field
The invention belongs to the field of shoe manufacturing, and particularly relates to a plastic shoe shell, a molding process of the plastic shoe shell, and a using method of the plastic shoe shell.
Background
The existing ski shoes basically adopt rigid materials of hard shells to manufacture protective components such as soles, shoe heads and the like, and one part of the hard protective parts is processed by sewing the shoe heads and the shoe bodies in production, but the sewing processing procedure is complex, consumes time and labor, and the sewing is easy to break, so that the shoe bodies and the soles are separated. In the prior art, the toe cap, the shoe body and the shoe body are integrally formed by injection molding, but the existing integrated injection molding method for the shoe shell cannot be suitable for different wearers due to the defects of the adopted raw materials and the preparation process, and the shoe shell manufactured by the existing process cannot be specifically plastic according to different foot types because the foot sizes and the foot heights of different wearers are different. This makes the wearer very uncomfortable and prone to jamming or excessive looseness problems.
Therefore, the existing shoe shell and the forming process are required to be further improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the plastic shoe shell which is simple in structure, convenient to use and capable of being shaped according to the foot shapes of different wearers, so that the wearer can wear the shoe shell more comfortably.
The invention also aims to provide a forming process of the plastic shoe shell, which has simple process and reasonable conditions, so that the shoe body has strong shaping capacity, good product quality and difficult damage.
The invention also aims to provide a using method of the plastic shoe shell.
In order to achieve the above object, the present invention adopts the following scheme with respect to the plastic shoe shell:
a plastic footwear shell, characterized by: including the toe cap and the shoes body, the toe cap is moulded plastics integratively with the shoes body, the internal netted heater that is equipped with of shoes the shoes heel lower part is equipped with the power connector, the power connector is connected with netted heater electricity, moulds plastics the combined material that the shoes body adopted includes following component according to weight percent: PP 80-95%, ABS 1-8%, thermoplastic polyurethane 2-15%, nylon fiber 0.5-2%, alumina fiber 0.1-0.8%, PE wax 1-5%, maleic anhydride grafted polyolefin 0.3-1%, and antioxidant 0.01-0.5%.
As another improvement of the plastic shoe shell, the composite material comprises the following components in percentage by weight: PP 90-95%, ABS 1-4%, thermoplastic polyurethane 2-10%, nylon fiber 0.5-1%, alumina fiber 0.1-0.5%, PE wax 1-3%, maleic anhydride grafted polyolefin 0.3-0.5%, and antioxidant 0.01-0.1%.
As another improvement of the plastic shoe shell, the net-shaped heating wire is a net-shaped carbon nano tube heating wire.
As another improvement of the plastic shoe shell, the toe cap is a carbon fiber toe cap or a plastic toe cap.
As another improvement of the plastic shoe shell, the toe cap is detachably arranged at the front end of the shoe body, the split toe cap and the shoe body are convenient to process, the outer wall surfaces of the left side and the right side of the toe cap are respectively provided with a connecting lug, the inner wall surfaces of the left side and the right side of the shoe body are respectively provided with a connecting groove for the connecting lug to be embedded in, and clamping inclined blocks which are respectively arranged on the inner wall surfaces of the left side and the right side of the front end of the shoe body and are positioned beside the connecting groove, the outer wall surfaces of the left side and the right side of the shoe shell are respectively provided with a connecting inclined groove for the clamping inclined blocks to be embedded in, the toe cap can be quickly arranged at the front end of the shoe body by clamping the connecting lug into the connecting groove, and the added clamping inclined blocks and the connecting inclined grooves.
As another improvement of the plastic shoe shell, the lower end of the connecting inclined groove is provided with an arc-shaped groove extending to the bottom surface of the shoe shell, the lower end of the clamping inclined block is provided with an arc-shaped convex block which extends to the inner bottom surface of the shoe body and can be clamped into the arc-shaped groove, and the rigidity of the two sides of the shoe body and the rigidity of the connecting inclined groove can be enhanced through the matching of the arc-shaped groove and the arc-shaped convex block, so that the shoe body cannot be easily turned outwards, and the clamping of the toe cap and the shoe body is loosened and.
As another improvement of the plastic shoe shell, a positioning concave surface capable of accommodating the bottom surface of the shoe shell is arranged on the bottom surface of the front end of the shoe body, the positioning concave surface can effectively support the toe cap, so that the toe cap is not easy to fall off from the shoe body in the process of exerting force of a user, a protruding positioning boss is arranged on the positioning concave surface, a positioning through groove capable of being clamped with the positioning boss is arranged on the bottom surface of the shoe shell in a penetrating manner, the toe cap is positioned more easily by the matching of the positioning boss and the positioning through groove, and the toe cap is effectively prevented from collapsing in the shoe body after being impacted.
The invention relates to a molding process of a plastic shoe shell, which is characterized by comprising the following steps of:
s1, opening the injection mold, arranging the toe cap and the reticular heating wire at the corresponding positions of the mold cavity, and closing the injection mold;
s2, adding PP, ABS, thermoplastic polyurethane, nylon fiber, alumina fiber, PE wax, maleic anhydride grafted polyolefin and an antioxidant into a screw extruder for melting and plasticizing to obtain a composite material;
and S3, injecting the composite material obtained in the step S2 into a mold through an injection molding machine, cooling, and taking out the composite material from the mold.
As another improvement of the forming process of the plastic shoe shell, the temperature of melting and plasticizing in the step S2 is 80-160 ℃, and the rotating speed of a screw of the screw extruder is 80-600 r/min; in step S3, the injection pressure is 8-200MPa, and the working temperature of the injection molding machine is 110-280 ℃.
The invention discloses a using method of a plastic shoe shell, which is characterized by comprising the following steps of:
s11, connecting the power connector with a power supply to enable the mesh heating wire to heat; or placing the plastic shoe shell into a heating box; heating the shoe body at 95-105 deg.C for 5-7 min;
s12, naturally cooling for 10-25 minutes, and putting the foot or the foot model of the user into the shoe body;
s13, tightening the shoelace and shaping for 5-10 min.
In summary, compared with the prior art, the invention has the beneficial effects that:
the plastic shoe shell has the advantages of simple structure and convenient manufacture, and the injection molding material adopted by the shoe body has proper components and proportion, so that the shoe body has good toughness, wear resistance, good thermoplasticity and firm connection with the toe cap.
The invention has simple preparation process, convenient production, simple method process and reasonable conditions, and ensures that the shoe body has strong shaping capability, good product quality and difficult damage.
Drawings
Fig. 1 is a perspective sectional view of the plastic footwear shell of the present invention.
FIG. 2 is one of the exploded schematic views of the plastic footwear shell of the present invention;
FIG. 3 is a second exploded view of the plastic shell of the present invention;
FIG. 4 is a third exploded view of the plastic shell of the present invention;
FIG. 5 is a fourth exploded view of the plastic shell of the present invention;
fig. 6 is an enlarged view of the invention at a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The utility model provides a plasticity shoes shell, includes the toe cap 1 and the shoes body 2, the toe cap 1 moulds plastics integratively with the shoes body 2, be equipped with netted heater 3 in the shoes body 2 the 2 heel lower parts of the shoes body are equipped with power connector 4, power connector 4 is connected with netted heater 3 electricity, moulds plastics the combined material that the shoes body 2 adopted includes following component according to weight percent: PP 80%, ABS 8%, thermoplastic polyurethane 2.7%, nylon fiber 2%, alumina fiber 0.8%, PE wax 5%, maleic anhydride grafted polyolefin 1%, and antioxidant 0.5%.
Example 2
The utility model provides a plasticity shoes shell, includes the toe cap 1 and the shoes body 2, the toe cap 1 moulds plastics integratively with the shoes body 2, be equipped with netted heater 3 in the shoes body 2 the 2 heel lower parts of the shoes body are equipped with power connector 4, power connector 4 is connected with netted heater 3 electricity, moulds plastics the combined material that the shoes body 2 adopted includes following component according to weight percent: PP 95%, ABS 1%, thermoplastic polyurethane 2.09%, nylon fiber 0.5%, alumina fiber 0.1%, PE wax 1%, maleic anhydride grafted polyolefin 0.3%, and antioxidant 0.01%.
Example 3
The utility model provides a plasticity shoe shell, is including plastic toe cap 1 and shoes body 2, toe cap 1 moulds plastics integratively with shoes body 2, be equipped with netted heater 3 in the shoes body 2 the 2 heel lower parts of the shoes body are equipped with power connector 4, power connector 4 is connected with netted heater 3 electricity, moulds plastics the combined material that shoes body 2 adopted includes following component according to weight percent: PP 85%, ABS 5%, thermoplastic polyurethane 5.7%, nylon fiber 1%, alumina fiber 0.5%, PE wax 2%, maleic anhydride grafted polyolefin 0.6%, and antioxidant 0.2%.
Example 4
The utility model provides a plasticity shoe shell, is including carbon fiber tip 1 and shoes body 2, tip 1 and shoes body 2 mould plastics integratively, be equipped with netted heater 3 in the shoes body 2 the 2 heel lower parts of the shoes body are equipped with power connector 4, power connector 4 is connected with netted heater 3 electricity, moulds plastics the combined material that shoes body 2 adopted includes following component according to weight percent: PP 90%, ABS 4%, thermoplastic polyurethane 3.15%, nylon fiber 0.8%, alumina fiber 0.6%, PE wax 1%, maleic anhydride grafted polyolefin 0.4%, and antioxidant 0.05%.
Example 5
The utility model provides a plasticity shoes shell, includes the toe cap 1 and the shoes body 2, the toe cap 1 moulds plastics integratively with the shoes body 2, be equipped with netted heater 3 in the shoes body 2 the 2 heel lower parts of the shoes body are equipped with power connector 4, power connector 4 is connected with netted heater 3 electricity, moulds plastics the combined material that the shoes body 2 adopted includes following component according to weight percent: PP 80%, ABS 2%, thermoplastic polyurethane 15%, nylon fiber 0.6%, alumina fiber 0.4%, PE wax 1%, maleic anhydride grafted polyolefin 0.6%, and antioxidant 0.4%.
The invention can also include, on the basis of the embodiments 1 to 5: as shown in fig. 1 to 6, the toe cap 1 is detachably mounted at the front end of the shoe body 2, the toe cap 1 and the shoe body 2 are separately injection molded, so as to facilitate mold stripping and reduce defective rate in production, the outer wall surfaces of the left and right sides of the toe cap 1 are respectively provided with a connecting bump 11, specifically, referring to the shape in the drawing, a circle of extending body lower than the surface of the toe cap 1 is added at the opening end of the toe cap 1, the extending body is provided with an outward protruding bump 11, the inner wall surfaces of the left and right sides of the front end of the shoe body 2 are respectively provided with a connecting groove 23 into which the connecting bump 11 can be embedded, the toe cap 1 is inserted into the shoe body 2 so that the connecting bump can be clamped into the connecting groove 23, in addition, clamping blocks 21 can be respectively arranged beside the connecting groove 23 on the inner wall surfaces of the left and right sides of the front end of the shoe body 2, the outer wall surfaces of the left and right sides of the toe cap 1 are respectively provided with connecting, the rigidity of shoes body front end can be increased on the one hand to the block sloping block 21, makes connecting groove 23 can not easily be out of shape and then the pine takes off connection lug 11, and on the other hand block sloping block 21 can strengthen the intensity of shoes body 2 chucking toecap 1 with connecting chute 13 simultaneously, and wherein block sloping block 21 and connecting chute 13 can set up simultaneously in shoes both sides, also can be the unilateral and set up the cooperation.
Wherein connect the chute 13 lower extreme and be equipped with the arc wall 14 that extends to on the toe cap 1 bottom surface the oblique piece 21 lower extreme of block is equipped with and extends to the shoes body 2 in the arc lug 22 that can be used for on the bottom surface to block in the arc wall 14, the rigidity of the both sides of the shoes body 2 itself and the rigidity of connecting the chute 13 can be strengthened to the cooperation of arc wall 14 and arc lug 22, make it can not turn up easily, lead to the joint of toe cap 1 and shoes body 2 not hard up and separate, further reinforcing toe cap 1 and shoes body 2 connection structure reliability.
In addition, a positioning concave surface 24 capable of accommodating the bottom surface of the toe cap 1 is arranged on the bottom surface of the front end of the shoe body 2, a convex positioning boss 241 is arranged on the positioning concave surface 24, a positioning through groove 240 capable of being clamped with the positioning boss 241 is arranged on the bottom surface of the toe cap 1 in a penetrating manner, the toe cap 1 is positioned more easily through the matching of the positioning boss 241 and the positioning through groove 240, and the toe cap 1 is effectively prevented from collapsing into the shoe body 1 after the toe cap 1 is impacted, in the embodiment, the positioning concave surface 24 and the positioning boss 241 on the bottom surface of the front end of the shoe body 2 can also be arranged on the bottom surface of the toe cap 1, and the positioning through groove 240 on the bottom surface of the toe cap 1 can be arranged on the bottom surface of the front end of the shoe body 2.
The plastic footwear shells of examples 1-5 of the present invention can be obtained by any of the molding processes of examples 6-8.
Example 6
A molding process of a plastic shoe shell comprises the following steps:
s1, opening the injection mold, arranging the toe cap 1 and the reticular heating wire 3 at the corresponding positions of the mold cavity, and closing the injection mold; wherein the temperature of melting and plasticizing is 80 ℃, and the screw rotating speed of the screw extruder is 80 r/min;
s2, adding PP, ABS, thermoplastic polyurethane, nylon fiber, alumina fiber, PE wax, maleic anhydride grafted polyolefin and an antioxidant into a screw extruder for melting and plasticizing to obtain a composite material;
s3, injecting the composite material obtained in the step S2 into a mold through an injection molding machine, cooling, and taking out the composite material from the mold, wherein the injection pressure is 8MPa, and the working temperature of the injection molding machine is 110 ℃.
Example 7
A molding process of a plastic shoe shell comprises the following steps:
s1, opening the injection mold, arranging the toe cap 1 and the reticular heating wire 3 at the corresponding positions of the mold cavity, and closing the injection mold; wherein the temperature of melting and plasticizing is 160 ℃, and the screw rotating speed of the screw extruder is 600 r/min;
s2, adding PP, ABS, thermoplastic polyurethane, nylon fiber, alumina fiber, PE wax, maleic anhydride grafted polyolefin and an antioxidant into a screw extruder for melting and plasticizing to obtain a composite material;
s3, injecting the composite material obtained in the step S2 into a mold through an injection molding machine, cooling, and taking out the composite material from the mold, wherein the injection pressure is 200MPa, and the working temperature of the injection molding machine is 280 ℃.
Example 8
A molding process of a plastic shoe shell comprises the following steps:
s1, opening the injection mold, arranging the toe cap 1 and the reticular heating wire 3 at the corresponding positions of the mold cavity, and closing the injection mold; wherein the temperature of melting and plasticizing is 120 ℃, and the screw rotating speed of the screw extruder is 300 r/min;
s2, adding PP, ABS, thermoplastic polyurethane, nylon fiber, alumina fiber, PE wax, maleic anhydride grafted polyolefin and an antioxidant into a screw extruder for melting and plasticizing to obtain a composite material;
s3, injecting the composite material obtained in the step S2 into a mold through an injection molding machine, cooling, and taking out the composite material from the mold, wherein the injection pressure is 100MPa, and the working temperature of the injection molding machine is 150 ℃.
Example 9
A method for using a plastic shoe shell is characterized by comprising the following steps:
s11, connecting the power connector 4 with a power supply to make the mesh heating wire 3 generate heat; or placing the plastic shoe shell into a heating box; heating the shoe body 2 at 95 ℃ for 5 min;
s12, naturally cooling for 10 minutes, and putting the feet or the foot molds of the users into the shoe bodies 2;
s13, tightening the shoelace and shaping for 5 min.
Example 10
A method for using a plastic shoe shell is characterized by comprising the following steps:
s11, connecting the power connector 4 with a power supply to make the mesh heating wire 3 generate heat; or placing the plastic shoe shell into a heating box; heating the shoe body 2 at 105 deg.C for 7 min;
s12, naturally cooling for 25 minutes, and putting the feet or the foot molds of the users into the shoe bodies 2;
s13, tightening the shoelace and shaping for 10 min.
Example 11
A method for using a plastic shoe shell is characterized by comprising the following steps:
s11, connecting the power connector 4 with a power supply to make the mesh heating wire 3 generate heat; or placing the plastic shoe shell into a heating box; heating the shoe body 2 at 100 deg.C for 6 min;
s12, naturally cooling for 20 minutes, and putting the feet or the foot molds of the users into the shoe bodies 2;
s13, tightening the shoelace and shaping for 8 min.
It should be pointed out that the heating wire is only used for heating and molding the shoe shell, and does not have the functions of heat preservation and the like.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A plastic footwear shell, characterized by: including the toe cap (1) and the shoes body (2), the toe cap (1) is moulded plastics integratively with the shoes body (2), be equipped with netted heater (3) in the shoes body (2) heel lower part is equipped with power connector (4), power connector (4) are connected with netted heater (3) electricity, mould plastics the combined material that the shoes body (2) adopted includes following component according to weight percent: PP 80-95%, ABS 1-8%, thermoplastic polyurethane 2-15%, nylon fiber 0.5-2%, alumina fiber 0.1-0.8%, PE wax 1-5%, maleic anhydride grafted polyolefin 0.3-1%, and antioxidant 0.01-0.5%.
2. The plastic shoe shell according to claim 1, wherein said composite material comprises the following components in weight percent: PP 90-95%, ABS 1-4%, thermoplastic polyurethane 2-10%, nylon fiber 0.5-1%, alumina fiber 0.1-0.5%, PE wax 1-3%, maleic anhydride grafted polyolefin 0.3-0.5%, and antioxidant 0.01-0.1%.
3. The plastic shoe cover according to claim 1, wherein said mesh-like heating wire (3) is a mesh-like carbon nanotube heating wire.
4. Plastic footwear shell according to claim 1, characterized in that the toe cap (1) is a carbon fiber toe cap or a plastic toe cap.
5. The plastic shoe shell according to claim 1, wherein the toe cap (1) is detachably mounted on the front end of the shoe body (2), the outer wall surfaces of the left and right sides of the toe cap (1) are respectively provided with a connecting projection (11), the inner wall surfaces of the left and right sides of the shoe body (2) are respectively provided with a connecting groove (23) into which the connecting projection (11) can be inserted, and the inner wall surfaces of the left and right sides of the front end of the shoe body (2) are respectively provided with a clamping inclined block (21) beside the connecting groove (23), and the outer wall surfaces of the left and right sides of the toe cap (1) are respectively provided with a connecting inclined groove (13) into which the clamping inclined block (21) can be inserted.
6. The plastic shoe shell as claimed in claim 5, characterized in that the lower end of the connecting chute (13) is provided with an arc-shaped groove (14) extending to the bottom surface of the toe cap (1), and the lower end of the clamping inclined block (21) is provided with an arc-shaped projection (22) extending to the inner bottom surface of the shoe body (2) and capable of being clamped into the arc-shaped groove (14).
7. The plastic shoe shell according to claim 1, characterized in that a positioning concave surface (24) capable of accommodating the bottom surface of the toe cap (1) is arranged on the bottom surface of the front end of the shoe body (2), a convex positioning boss (241) is arranged on the positioning concave surface (24), and a positioning through groove (240) capable of being clamped with the positioning boss (241) is arranged on the bottom surface of the toe cap (1) in a penetrating manner.
8. A molding process of a plastic shoe shell is characterized by comprising the following steps:
s1, opening the injection mold, arranging the toe cap (1) and the reticular heating wire (3) at the corresponding positions of the mold cavity, and closing the injection mold;
s2, adding PP, ABS, thermoplastic polyurethane, nylon fiber, alumina fiber, PE wax, maleic anhydride grafted polyolefin and an antioxidant into a screw extruder for melting and plasticizing to obtain a composite material;
and S3, injecting the composite material obtained in the step S2 into a mold through an injection molding machine, cooling, and taking out the composite material from the mold.
9. The molding process of a plastic shoe shell according to claim 8, wherein the temperature of melt plasticizing in step S2 is 80-160 ℃, and the screw rotation speed of the screw extruder is 80-600 r/min; in step S3, the injection pressure is 8-200MPa, and the working temperature of the injection molding machine is 110-280 ℃.
10. A method for using a plastic shoe shell is characterized by comprising the following steps:
s11, connecting the power connector (4) with a power supply to enable the mesh heating wire (3) to heat; or placing the plastic shoe shell into a heating box; heating the shoe body (2) at 95-105 ℃ for 5-7 min;
s12, naturally cooling for 10-25 minutes, and putting the feet or the foot molds of the users into the shoe bodies (2);
s13, tightening the shoelace and shaping for 5-10 min.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627759.8A CN111802744A (en) | 2020-07-01 | 2020-07-01 | Plastic shoe shell and forming process and using method thereof |
| PCT/CN2020/109417 WO2022000723A1 (en) | 2020-07-01 | 2020-08-17 | Plastic shoe shell and forming process and using method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627759.8A CN111802744A (en) | 2020-07-01 | 2020-07-01 | Plastic shoe shell and forming process and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111802744A true CN111802744A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010627759.8A Pending CN111802744A (en) | 2020-07-01 | 2020-07-01 | Plastic shoe shell and forming process and using method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111802744A (en) |
| WO (1) | WO2022000723A1 (en) |
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| CN210539168U (en) * | 2019-08-12 | 2020-05-19 | 广州市勇源运动用品科技有限公司 | Novel ski boots |
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| CN103183955B (en) * | 2011-12-28 | 2015-08-19 | 北京中能江龙科技开发有限公司 | A kind of foamed thermoplastic polyurethane elastomer material sole and preparation method thereof |
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2020
- 2020-07-01 CN CN202010627759.8A patent/CN111802744A/en active Pending
- 2020-08-17 WO PCT/CN2020/109417 patent/WO2022000723A1/en active Application Filing
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| CN87100006A (en) * | 1986-01-02 | 1987-07-22 | 纳幕尔杜邦公司 | The preparation method of fusible aluminum ionomers adulterant |
| US5673448A (en) * | 1992-11-04 | 1997-10-07 | Intuition Sports Incorporated | Sport boot liner and method for making same |
| CN101626703A (en) * | 2007-01-17 | 2010-01-13 | 德鲁克斯体育用品贸易有限公司 | Interior footwear |
| WO2016148654A1 (en) * | 2015-03-17 | 2016-09-22 | Weimin Huang | Personalised footwear and the manufacture thereof |
| CN110464076A (en) * | 2019-08-12 | 2019-11-19 | 广州市勇源运动用品科技有限公司 | A kind of ski boots |
| CN210539168U (en) * | 2019-08-12 | 2020-05-19 | 广州市勇源运动用品科技有限公司 | Novel ski boots |
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