Hollow forming machine with color mixing hot runner

Abstract

The utility model discloses a hollow forming machine with a color mixing hot runner, which belongs to the technical field of forming machines and comprises a connecting component, a jet component is fixedly connected to one end of the connecting component, a mold component is arranged on the upper surface of the jet component, and the jet component comprises a hot runner base. The front surface of the hot runner base is fixedly connected to one end of the connecting assembly, a splitter plate is fixedly connected to the inner bottom wall of the hot runner base, the upper surface of the splitter plate is in threaded connection with a nozzle through a bolt, and a three-way valve is arranged at the bottom end in the nozzle; by means of the arranged jet flow assembly, glue can be injected into the injection nozzle part by part through the three-way valve, then unified injection is conducted through the injection nozzle, so that a formed bottle blank is free of mixed colors, the color mixing gradual change effect is good, molten raw materials are good in liquidity, fusion lines cannot be generated through multi-time glue injection, and the rate of finished products is high; and the bottle preform can be formed at one time.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hollow forming machine with mixed color hot runner belongs to hollow forming machine technical field. BACKGROUND

[0002] The hollow forming machine is a kind of equipment for producing hollow plastic products, is widely used in packaging, automobile and building etc. industry, it is blown by heating plastic and using air pressure and is formed, mainly by heating system, extruder, mould, blowing system and cooling system, the advantages of hollow forming machine include high efficiency production, product light and energy saving and environmental protection, it is suitable for large-scale production various shapes hollow container and component.

[0003] According to the patent, a hot runner assembly and a hollow forming machine with the same (publication number: CN221022159U) are disclosed, which includes a busbar, a busbar nozzle, a hot runner main body, a shunt plate and a composite nozzle, the shunt plate is fixed on the hot runner main body, the busbar is connected with the shunt plate, the busbar is provided with a first flow channel, the shunt plate is provided with a second flow channel with the same number as the busbar, each first flow channel is communicated with a second flow channel on the shunt plate;The shunt plate is also provided with a cavity communicated with the second flow channel, and the composite nozzle is fixed on the cavity and communicated with the second flow channel;The composite nozzle is provided with a shunt channel and a main channel, and the number of shunt channels is consistent with the number of second flow channels.

[0004] Although the above-mentioned patent can obtain double-color, multi-color bottle blank or two-component raw material, multi-component raw material bottle blank by using the hot runner assembly in the forming machine, the product obtained has the advantages of beautiful appearance and not easy to be damaged, but the molten raw material in the above-mentioned patent structure is divided in the composite nozzle, which affects the fluidity of the raw material, and the mixed color bottle blank obtained has obvious fusion line and bottle body texture, which has the problems of unattractive color transition, high scrap rate and the like.

[0005] Therefore, the utility model provides a hollow forming machine with mixed color hot runner to solve the above problems. UTILITY MODEL CONTENTS

[0006] (I) technical problems solved

[0007] The utility model provides a hollow forming machine with mixed color hot runner, aims at solving the problems proposed in the background art.

[0008] (II) technical scheme

[0009] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: including connecting assembly, one end of connecting assembly is fixedly connected with jet flow assembly, the upper surface of jet flow assembly is provided with mould assembly;

[0010] The jet flow assembly includes a hot runner base, one end of the hot runner base is fixedly connected to the connecting assembly, the inner bottom wall of the hot runner base is fixedly connected with a flow distribution plate, the upper surface of the flow distribution plate is threadedly connected with a jet nozzle, and the bottom end of the jet nozzle is provided with a three-way valve.

[0011] As a preferred technical solution of the present application, the connecting assembly includes a transition flange, one side of the transition flange is fixedly connected to the front surface of the hot runner base, the other side of the transition flange is fixedly connected with a connecting flange, and one side of the connecting flange is fixedly connected with a flow distribution connecting plate.

[0012] As a preferred technical solution of the present application, the mold assembly includes a female die, the lower surface of the female die is arranged on the upper surface of the hot runner base, the upper surface of the female die is provided with a mouth die, the upper surface of the mouth die is provided with a rotating plate, and the upper surface of the rotating plate is provided with a core injection mold.

[0013] As a preferred technical solution of the present application, one side of the front surface of the flow distribution connecting plate is provided with a first flow distribution channel, and the other side of the front surface of the flow distribution connecting plate is provided with a second flow distribution channel.

[0014] As a preferred technical solution of the present application, the first flow distribution channel penetrates through the transition flange and is connected to one end of the three-way valve, and the second flow distribution channel penetrates through the transition flange and is connected to the other end of the three-way valve.

[0015] As a preferred technical solution of the present application, the jet nozzle is provided with a main flow channel, the bottom end of the main flow channel is connected to the upper end of the three-way valve, and the top end of the main flow channel is connected to the injection cavity arranged in the female die.

[0016] (Three) beneficial effects

[0017] 1. By arranging the jet flow assembly, the molten material can be injected into the jet nozzle in multiple times through the three-way valve, and then uniformly injected through the jet nozzle, so that the formed bottle embryo has no color mixing and good color mixing gradient effect, and the molten material has good flowability, and the multiple injection does not produce fusion line, and the yield is high.

[0018] 2. By arranging the mold assembly, the bottle embryo can be formed at one time by injecting the molten material into the female die through the jet nozzle, and a double-color, three-color or multi-color hollow product can be produced on one equipment. DRAWINGS

[0019] Figure 1 It is a structure diagram of a hollow forming machine with a color mixing hot runner;

[0020] Figure 2 It is a structure diagram of a flow distribution plate of a hollow forming machine with a color mixing hot runner;

[0021] Figure 3 It is a structure schematic view of a transition flange in a hollow forming machine with a mixed-color hot runner;

[0022] Figure 4 It is a structure schematic view of an inner structure of a female die in a hollow forming machine with a mixed-color hot runner;

[0023] Figure 5 It is a side sectional view of a hollow forming machine with a mixed-color hot runner.

[0024] In the figure:

[0025] 1, hot runner base; 2, flow distribution plate; 3, jet nozzle; 4, three-way valve; 5, transition flange; 6, connecting flange; 7, flow distribution connecting plate; 8, female die; 9, mouth die; 10, rotating plate; 11, core injection mold; 12, first flow distribution channel; 13, second flow distribution channel; 14, main flow channel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] The utility model provides a kind of hollow forming machine with mixed-color hot runner, as shown in figure, a kind of hollow forming machine with mixed-color hot runner, including connecting assembly, one end of connecting assembly is fixedly connected with jet flow subassembly, the upper surface of jet flow subassembly is provided with mould assembly; Figures 1-5

[0028] Jet flow subassembly includes hot runner base 1, the normal surface of hot runner base 1 is fixedly connected to one end of connecting assembly, the inner bottom wall of hot runner base 1 is fixedly connected with flow distribution plate 2, the upper surface of flow distribution plate 2 is connected with jet nozzle 3 by bolt screw thread, the bottom end in jet nozzle 3 is provided with three-way valve 4, glue is injected into jet nozzle 3 by three-way valve 4 in batches, then unified injection is carried out by jet nozzle 3, so that the formed bottle embryo has no color mixing, and the color mixing gradient effect is good, and the melt raw material flowability is good, and batch glue injection will not produce fusion line, and the yield is high.

[0029] ​The connecting assembly comprises a transition flange 5, one side of the transition flange 5 is fixedly connected to the front surface of the hot runner base 1, the other side of the transition flange 5 is fixedly connected with a connecting flange 6, one side of the connecting flange 6 is fixedly connected with a shunt connecting plate 7, the inside of the transition flange 5, the connecting flange 6 and the shunt connecting plate 7 are all penetrated and connected by a first shunt channel 12 and a second shunt channel 13, the feeding device of the molten raw material is connected with the shunt plate 2, and the inside of the shunt plate 2 is convenient for injection of multi-color raw materials.

[0030] The mold assembly comprises a female die 8, the lower surface of the female die 8 is arranged on the upper surface of the hot runner base 1, the upper surface of the female die 8 is provided with a mouth die 9, the upper surface of the mouth die 9 is provided with a rotating plate 10, the upper surface of the rotating plate 10 is provided with a core injection die 11, the core injection die 11 is combined with the nozzle 3 to inject material into the female die 8, the core injection die 11 forms a bottle core, so that the bottle blank can be formed at one time, and a double-color, triple-color or multi-color hollow product can be produced by using one equipment.

[0031] The first shunt channel 12 is arranged on one side of the front surface of the shunt connecting plate 7, the second shunt channel 13 is arranged on the other side of the front surface of the shunt connecting plate 7, the first shunt channel 12 and the second shunt channel 13 are convenient for the raw materials to enter the inside of the nozzle 3 in batches, and the injection molding of the bottle blank is realized.

[0032] The first shunt channel 12 penetrates the transition flange 5 and is connected with one end of the three-way valve 4, the second shunt channel 13 penetrates the transition flange 5 and is connected with the other end of the three-way valve 4, which is convenient for injecting the glue in batches and color separation into the inside of the three-way valve 4.

[0033] The nozzle 3 is provided with a main channel 14, the bottom end of the main channel 14 is connected with the upper end of the three-way valve 4, the top end of the main channel 14 is penetrated with an injection cavity arranged in the inside of the female die 8, and the main channel 14 is convenient for mixing the glue injected through the first shunt channel 12 and the second shunt channel 13, so that the color mixing and gradient effect is good.

[0034] The working steps are as follows: firstly, the inside of the transition flange 5, the connecting flange 6 and the shunt connecting plate 7 are all penetrated and connected by the first shunt channel 12 and the second shunt channel 13, the feeding device of the molten raw material is connected with the shunt plate 2, then, the glue is injected into the inside of the shunt plate 2 through the first shunt channel 12 and the second shunt channel 13, when the molten raw material is injected through the first shunt channel 12, the three-way valve 4 will block the second shunt channel 13 under the pushing of the molten raw material, so as to ensure that the first shunt channel 12 for injecting the molten raw material is in smooth communication with the main channel 14 and is not affected by the molten raw material in the second shunt channel 13, secondly, in the same way, when the molten raw material is injected through the second shunt channel 13, it is not affected by the first shunt channel 12, so that different raw materials can flow into the main channel 14 in sequence, finally, the main channel 14 is used to inject the molten raw material into the molding cavity of the female die 8, and the bottle blank with mixed colors is obtained.

[0035] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A hollow forming machine having a color mixing hot runner comprising a connecting assembly, characterized in that: One end of the connecting assembly is fixedly connected with a jet flow assembly, and an upper surface of the jet flow assembly is provided with a mold assembly; The jet flow assembly comprises a hot runner base (1), a front surface of the hot runner base (1) is fixedly connected with one end of the connecting assembly, an inner bottom wall of the hot runner base (1) is fixedly connected with a flow distribution plate (2), an upper surface of the flow distribution plate (2) is threadedly connected with a jet orifice (3) through bolts, and a bottom end in the jet orifice (3) is provided with a three-way valve (4).

2. A hollow molding machine having a color mixing hot runner according to claim 1, characterized in that: The connecting assembly comprises a transition flange (5), one side of the transition flange (5) is fixedly connected with the front surface of the hot runner base (1), the other side of the transition flange (5) is fixedly connected with a connecting flange (6), and one side of the connecting flange (6) is fixedly connected with a flow distribution connecting plate (7).

3. The hollow molding machine having a color mixing hot runner according to claim 1, characterized by: The mold assembly comprises a female die (8), a lower surface of the female die (8) is arranged on an upper surface of the hot runner base (1), an upper surface of the female die (8) is provided with a nozzle (9), an upper surface of the nozzle (9) is provided with a rotating plate (10), and an upper surface of the rotating plate (10) is provided with a core injection mold (11).

4. The hollow molding machine having a color mixing hot runner according to claim 2, characterized by: A first flow distribution channel (12) is formed in one side of a front surface of the flow distribution connecting plate (7), and a second flow distribution channel (13) is formed in the other side of the front surface of the flow distribution connecting plate (7).

5. A hollow forming machine having a color mixing hot runner according to claim 4, characterized in that: The first flow distribution channel (12) penetrates through the transition flange (5) and is connected with one end of the three-way valve (4), and the second flow distribution channel (13) penetrates through the transition flange (5) and is connected with the other end of the three-way valve (4).

6. The hollow molding machine having a color mixing hot runner according to claim 1, characterized by: A main flow channel (14) is formed in the jet orifice (3), a bottom end of the main flow channel (14) is connected with an upper end of the three-way valve (4), and a top end of the main flow channel (14) is connected with an injection cavity formed in the female die (8).

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