Supercritical physical foaming forming machine

Abstract

The utility model provides a supercritical physical foaming forming machine, which belongs to the technical field of foaming forming machines and comprises a foaming forming machine, a rotating disc group is arranged beside the left side of the foaming forming machine, a plurality of molds are arranged on the top surface of the rotating disc group in an annular array, and a mold opening component is arranged at the right end of the front side of the rotating disc group. According to the supercritical physical foaming mechanism of the forming machine, physical foaming is adopted, when materials are in a high-temperature and high-pressure state in the charging barrel, nitrogen or carbon dioxide is injected into the charging barrel, and the materials are heated to be in the high-temperature and high-pressure state, so that the materials are heated to be in the high-temperature and high-pressure state; after nitrogen or carbon dioxide is in a supercritical state and fully fused with materials, the nitrogen or carbon dioxide is injected into a mold through an injection head and then is cooled and formed, chemical foaming is not adopted in the foaming mode, and therefore the influence of a large amount of harmful gas on the environment is further reduced; therefore, if the shoe sole is defective, the material can be recycled, and the consumption of the material is reduced.

Description

Technical Field

[0001] The utility model relates to a supercritical physical foaming molding machine, belonging to the technical field of foaming molding machines. Background Art

[0002] At present, traditional shoe manufacturing uses chemical foaming, which is not only cumbersome but also generates a large amount of harmful gases and is not recyclable.

[0003] To further reduce the impact on the environment, we have introduced a supercritical physical foaming molding technology solution, which can reduce material use and energy consumption during production. In addition, this technology can use recycled materials to obtain safer, more environmentally friendly, lighter, better physical performance, and better low-temperature performance shoe midsole products. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a supercritical physical foaming molding machine to solve the existing problems.

[0005] To achieve the above purpose, the utility model is realized through the following technical solutions: A supercritical physical foaming molding machine includes a foaming molding machine. A rotary disk group is arranged beside the left side of the foaming molding machine, and a plurality of molds are placed on the top surface of the rotary disk group in a circular array. A mold opening assembly is arranged at the right end of the front side of the rotary disk group. A manipulator is arranged beside the left side of the rotary disk group. A plurality of cooling racks are placed at intervals beside the left side of the manipulator. A fence is arranged around the rotary disk group, the mold opening assembly, the manipulator, and the plurality of cooling racks;

[0006] The foaming molding machine includes a base. A supercritical physical foaming mechanism is horizontally arranged on the top surface of the base. A gooseneck seat is arranged on the left side of the base. An injection head is arranged on the top surface of the cavity on the left side of the gooseneck seat. A top mold assembly is vertically arranged below the injection head. The left end of the supercritical physical foaming mechanism is communicated with the injection head.

[0007] Further improvement is that the supercritical physical foaming mechanism includes a barrel. An injection oil cylinder is communicated with the right end of the barrel. A feed hopper is connected to the right end of the top surface of the barrel body. A secondary pressure stabilizing tank is arranged on the front side of the barrel. An air tank is connected to the top surface of the secondary pressure stabilizing tank. The left side of the secondary pressure stabilizing tank is communicated with the left side of the barrel body through an air inlet pipe;

[0008] A heating element and a screw stirrer are arranged inside the barrel cavity.

[0009] Further improvement is that the top mold assembly includes a booster cylinder, and a top mold plate is arranged on the top surface of the booster cylinder.

[0010] Further improved, the rotary disk group includes a rotary disk base, a rotator is provided in the middle of the top surface of the rotary disk base, a rotary disk is provided on the top surface of the rotator, a plurality of supporting feet are vertically and movably abutted against the bottom surface of the rotary disk, and the right side of the rotary disk extends to the middle between the injection head and the top die assembly;

[0011] A plurality of die openings for the top die plate to pass through in sequence are formed through the top surface of the rotary disk in an annular array.

[0012] Further improved, the mold opening assembly includes a mold opening frame, a mold opening and closing oil cylinder is vertically arranged on the top surface of the mold opening frame, a lifting plate is arranged at the lower end of the mold opening and closing oil cylinder, a plurality of pneumatic grippers are symmetrically arranged on the left and right sides of the lifting plate, and a plurality of stable sliding rods are vertically arranged on the side of the top surface of the lifting plate, and the other ends of the stable sliding rods penetrate through the top surface of the mold opening frame.

[0013] Further improved, an automatic solenoid valve is arranged on the feed hopper.

[0014] Further improved, the manipulator is of the prior art, and the structure will not be described in detail here.

[0015] Nitrogen or carbon dioxide is filled in the air tank.

[0016] The beneficial effects of the utility model are:

[0017] The utility model provides a supercritical physical foaming molding machine. Through the combined design of a supercritical physical foaming mechanism, a gooseneck seat, an injection head, a top die assembly, and a base, a supercritical physical foaming molding machine is formed. The supercritical physical foaming mechanism of this molding machine uses physical foaming. When the material is at high temperature and high pressure in the barrel, nitrogen or carbon dioxide is injected. When the nitrogen or carbon dioxide is in a supercritical state and fully mixed with the material, it is then injected into the mold through the injection head and cooled to form. This foaming method does not use chemical foaming, thereby further reducing the impact of a large amount of harmful gases on the environment. In addition, because the foamed sole is pure physical foaming, if there are defective products in the sole, the material can be recycled again, reducing the consumption of materials.

[0018] In addition, the utility model also provides a combined design of a rotary disk group, a mold opening assembly, a manipulator, and a cooling rack beside the left side of the foaming molding machine, enabling the foaming molding machine to realize automated operations for the steps of injection, cooling, and mold opening of the mold, and improving the automation degree of the equipment. Description of the Drawings

[0019] Figure 1 It is a schematic top view structure diagram of a supercritical physical foaming molding machine of the utility model;

[0020] Figure 2 It is a front view of a partial structure of a supercritical physical foaming molding machine of the utility model;

[0021] Figure 3 Schematic diagram of the foam molding machine and the rotary disk group structure of the present utility model;

[0022] Figure 4 Schematic diagram of the supercritical physical foaming mechanism structure of the present utility model;

[0023] Figure 5 Schematic diagram of the turntable structure of the present utility model;

[0024] Figure 6 Schematic diagram of the mold opening assembly structure of the present utility model. Specific embodiments

[0025] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] Please refer to Figure 1-6 , a technical solution of a supercritical physical foaming molding machine schematic diagram of the present utility model: including a foaming molding machine 1, and a rotary disk group 2 is arranged beside the left side of the foaming molding machine 1, and a plurality of molds 3 are placed on the top surface of the rotary disk group 2 in a circular array, a mold opening assembly 4 is arranged at the right end of the front side of the rotary disk group 2, a manipulator 5 is arranged beside the left side of the rotary disk group 2, a plurality of cooling racks 6 are placed at intervals beside the left side of the manipulator 5, a fence 7 is circled between the rotary disk group 2, the mold opening assembly 4, the manipulator 5 and the plurality of cooling racks 6, the foaming molding machine 1 includes a base 11, a supercritical physical foaming mechanism 12 is horizontally arranged on the top surface of the base 11, a gooseneck seat 13 is arranged on the left side of the base 11, an injection head 14 is arranged on the top surface of the left cavity of the gooseneck seat 13, a top mold assembly 15 is vertically arranged below the injection head 14, and the left end of the supercritical physical foaming mechanism 12 is communicated with the injection head 14.

[0027] The supercritical physical foaming mechanism 12 includes a barrel 121, an injection oil cylinder 122 is communicated with the right end of the barrel 121, a feed hopper 123 is connected to the right end of the top surface of the barrel body of the barrel 121, a secondary pressure stabilizing tank 124 is arranged on the front side of the barrel 121, a gas tank 125 is connected to the top surface of the secondary pressure stabilizing tank 124, and the left side of the secondary pressure stabilizing tank 124 is communicated with the left side of the barrel body of the barrel 121 through an air inlet pipe. A heating element and a screw stirrer are arranged in the barrel cavity of the barrel 121.

[0028] The top mold assembly 15 includes a booster cylinder 151, and a top template 152 is arranged on the top surface of the booster cylinder 151.

[0029] The rotating disk group 2 includes a turntable base 21. In the middle of the top surface of the turntable base 21, a rotator 22 is provided, and on the top surface of the rotator 22, a turntable 23 is provided. Vertically and movably abutted against the bottom surface of the turntable 23 are a plurality of supporting feet 24. The right side of the turntable 23 extends to the middle between the injection head 14 and the top mold assembly 15. Through the top surface of the turntable 23, a plurality of mold openings 231 for the top template 152 to pass through in sequence are formed in an annular array.

[0030] The mold opening and closing assembly 4 includes a mold opening and closing frame 41. Vertically arranged on the top surface of the mold opening and closing frame 41 is a mold opening and closing oil cylinder 42, and at the lower end of the mold opening and closing oil cylinder 42, a lifting plate 43 is provided. Symmetrically arranged on the left and right sides of the lifting plate 43 are a plurality of pneumatic grippers 44. Vertically arranged on the edge side of the top surface of the lifting plate 43 are a plurality of stable sliding rods 45, and the other ends of the respective stable sliding rods 45 penetrate through the top surface of the mold opening and closing frame 41.

[0031] Working principle:

[0032] First, pour the sole raw material from the feed hopper 123 into the barrel 121, and then close the feed hopper 123. At this time, the heating element and the screw stirrer in the barrel cavity of the barrel 121 heat and melt the raw material and mix it evenly, and during the stirring process, nitrogen gas in the gas tank 125 is injected into the barrel 121 in an appropriate amount through the secondary pressure stabilizing tank 124 to be mixed and stirred with the raw material, so that the raw material reaches the supercritical state under the high temperature and high pressure in the barrel 121 through the screw stirring.

[0033] During injection molding, first, the top mold assembly 15 jacks up a corresponding mold 3 to abut and communicate with the bottom surface of the injection head 14, and then the injection oil cylinder 122 injects the raw material reaching the supercritical state in the barrel 121 into the mold 3 through the injection head 14 for foaming. When the injection is completed, the top mold assembly 15 drives the mold 3 to descend onto the turntable 23, and then the rotator 22 drives the turntable 23 to rotate counterclockwise by one mold 3 station for mold change. When the mold 3 after injection rotates to the corresponding position of the manipulator 5, the manipulator 5 grabs the mold 3 after injection and places it on the cooling rack 6 on the left side, and grabs and places the cooled mold 3 from the cooling rack 6 onto the left side of the turntable 23. Then, when the cooled mold 3 rotates to the mold opening and closing assembly 4, the mold 3 is opened through the cooperation of the mold opening and closing oil cylinder 42, the lifting plate 43, and the respective pneumatic grippers 44, and then the staff manually takes out the foamed sole to complete the operation.

[0034] It should be noted that for the cooling operation, the mold needs to be grabbed and the mold is replaced because the cooling time of the mold 3 is longer than the time from injection to mold opening of the rotating mold on the turntable 23.

[0035] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0036] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A supercritical physical foaming molding machine, characterized in that: It includes a foam molding machine (1). There is a rotary disk group (2) arranged beside the left side of the foam molding machine (1). A plurality of molds (3) are placed on the top surface of the rotary disk group (2) in a circular array. A mold opening assembly (4) is arranged at the right end of the front side of the rotary disk group (2). A manipulator (5) is arranged beside the left side of the rotary disk group (2). A plurality of cooling racks (6) are placed at intervals beside the left side of the manipulator (5). A fence (7) is arranged around the rotary disk group (2), the mold opening assembly (4), the manipulator (5) and the plurality of cooling racks (6). The foam molding machine (1) includes a base (11). A supercritical physical foaming mechanism (12) is horizontally arranged on the top surface of the base (11). A gooseneck seat (13) is arranged on the left side of the base (11). An injection head (14) is arranged on the top surface of the cavity on the left side of the gooseneck seat (13). A mold top component (15) is vertically arranged below the injection head (14). The left end of the supercritical physical foaming mechanism (12) is communicated with the injection head (14).

2. The supercritical physical foaming molding machine according to claim 1, characterized in that: The supercritical physical foaming mechanism (12) includes a barrel (121). An injection oil cylinder (122) is communicated with the right end of the barrel (121). A feed hopper (123) is connected to the right end of the top surface of the barrel body of the barrel (121). A secondary pressure stabilizing tank (124) is arranged on the front side of the barrel (121). An air tank (125) is connected to the top surface of the secondary pressure stabilizing tank (124). The left side of the secondary pressure stabilizing tank (124) is communicated with the left side of the barrel body of the barrel (121) through an air inlet pipe. A heating element and a screw stirrer are arranged inside the barrel cavity of the barrel (121).

3. The supercritical physical foaming molding machine according to claim 2, characterized in that: The mold top component (15) includes a boosting cylinder (151). A mold top plate (152) is arranged on the top surface of the boosting cylinder (151).

4. The supercritical physical foaming molding machine according to claim 3, characterized in that: The rotary disk group (2) includes a rotary disk base (21). A rotator (22) is arranged in the middle of the top surface of the rotary disk base (21). A rotary disk (23) is arranged on the top surface of the rotator (22). A plurality of supporting feet (24) are vertically and movably abutted against the bottom surface of the rotary disk (23). The right side of the rotary disk (23) extends to the middle between the injection head (14) and the mold top component (15). A plurality of mold through holes (231) for the mold top plate (152) to pass through in sequence are formed through the top surface of the rotary disk (23) in a circular array.

5. The supercritical physical foaming molding machine according to claim 4, wherein: The mold opening assembly (4) includes a mold opening frame (41). A mold opening and closing oil cylinder (42) is vertically arranged on the top surface of the mold opening frame (41). A lifting plate (43) is arranged at the lower end of the mold opening and closing oil cylinder (42). A plurality of pneumatic grippers (44) are symmetrically arranged on the left and right sides of the lifting plate (43). A plurality of stable sliding rods (45) are vertically arranged on the edge side of the top surface of the lifting plate (43). The other ends of the stable sliding rods (45) penetrate through the top surface of the mold opening frame (41).

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