CN115384033A - Plastic container internal plating module, injection blow-plating all-in-one machine and injection blow-plating encapsulation all-in-one machine - Google Patents

Abstract

The invention discloses a plastic container inner plating module, which comprises an inner plating module for forming a blocking plating layer on the inner wall surface of a plastic container, wherein the inner plating module comprises a fixing component for clamping the plastic container, a gasification component for receiving and gasifying plating materials to generate plating layer gas, a gas transmission component communicated with the gasification component and used for abutting against the fixing component so that the plastic container is positioned in a closed cavity and extends into the plastic container to input the plating layer gas, a vacuumizing component for vacuumizing the closed cavity where the plastic container is positioned, and a conductive component which is arranged in the fixing component and used for applying voltage outside the plastic container so that the plating layer gas in the plastic container is electrolyzed into plasma in a vacuum state and further uniformly adhered to the inner wall surface of the plastic container to form the blocking plating layer. The invention discloses an injection blow-plating integrated machine for a plastic container. The invention also discloses an injection, blow, plating and filling integrated machine for the plastic container.

Description

Plastic container internal plating module, injection blow-plating all-in-one machine and injection blow-plating encapsulation all-in-one machine

Technical Field

The invention relates to the technical field of plastic container processing, in particular to an inner plating module of a plastic container. In addition, the invention also relates to a plastic container injection blow-plating integrated machine comprising the plastic container internal plating module. In addition, the invention also relates to a plastic container injection, blow, plating and filling integrated machine comprising the plastic container injection, blow and plating integrated machine.

Background

A plastic bottle is a commonly used plastic container, and medical liquid containers, medical powder containers, medicine containers, beverage containers, seasoning containers, and the like are widely used, and thus the demand thereof is very large.

However, compared with pop can bottles and glass bottles, the barrier property of plastic bottles is relatively low, and oxygen, carbon dioxide and other gases are more easily permeated, which greatly affects the quality of the contents, and in order to save resources and reduce environmental pollution, the light weight of plastic bottles is one of important solutions.

The existing plastic container is usually obtained by processes such as injection molding, bottle blowing, filling and sealing, for example, the chinese utility model patent CN217293464U, the barrier property of which only depends on the properties of the plastic and the size requirement during processing, and the barrier property of the plastic container is often lower than that of a metal container and a glass container under the same size requirement.

Disclosure of Invention

The invention provides an internal plating module of a plastic container, an injection-blow plating all-in-one machine and an injection-blow plating filling and sealing all-in-one machine, which aim to solve the technical problems that the barrier property of the existing plastic container is relatively low and the quality of a contained object is difficult to guarantee.

According to one aspect of the invention, the plastic container inner plating module comprises an inner plating module for forming a barrier plating layer on the inner wall surface of a plastic container, wherein the inner plating module comprises a fixing component for clamping the plastic container, a gasification component for receiving and gasifying plating materials to generate plating gas, a gas transmission component communicated with the gasification component and used for being tightly abutted against the fixing component to enable the plastic container to be located in a closed cavity and extend into the plastic container to input the plating gas, a vacuumizing component for vacuumizing the closed cavity where the plastic container is located, and a conductive component arranged in the fixing component and used for applying voltage outside the plastic container to enable the plating gas in the plastic container to be electrolyzed into plasma in a vacuum state and further uniformly adhered to the inner wall surface of the plastic container to form the barrier plating layer.

As a further improvement of the above technical solution:

furthermore, the fixing assembly comprises an inner plating rack, a bottle clamping fixed die, a driving mechanism and a bottle clamping movable die, the bottle clamping fixed die is fixedly arranged on the inner plating rack and used for supporting the plastic containers, the movable end of the driving mechanism is movably arranged on the inner plating rack along the width direction of the inner plating rack, and the bottle clamping movable die is fixedly arranged on the movable end of the driving mechanism and used for being matched with the bottle clamping fixed die to clamp the plastic containers.

Furthermore, the side wall of the fixed bottle clamping die is concavely provided with a supporting groove for supporting the plastic container along the width direction of the inner plating rack, and one or more supporting grooves are arranged on the fixed bottle clamping die at intervals along the length direction of the inner plating rack.

Furthermore, the side wall of the bottle clamping movable die is concavely provided with clamping grooves used for clamping the plastic container in a manner of being matched with the supporting grooves along the width direction of the inner plating rack, one or more clamping grooves are arranged on the bottle clamping movable die at intervals along the length direction of the inner plating rack, and the clamping grooves and the supporting grooves are arranged in a one-to-one correspondence manner.

Furthermore, the conductive assembly comprises a first electrode arranged in the bottle clamping movable die, a second electrode arranged in the bottle clamping fixed die and a conductive power supply electrically connected with the first electrode and the second electrode respectively.

Furthermore, the gas transmission assembly comprises a gas transmission conduit which is movably arranged along the height direction of the inner plating rack and is communicated with the gasification assembly, and is used for being tightly propped against the fixed assembly so that the plastic container is positioned in the closed cavity and extends into the plastic container to input the plating gas, and a gas transmission control valve which is arranged on the gas transmission conduit and is used for controlling the flow of the plating gas.

Further, the vacuumizing assembly comprises a first air exhaust guide pipe which is communicated with the air conveying assembly and is used for communicating the closed cavity where the plastic container is located, a first air exhaust control valve which is arranged on the first air exhaust guide pipe and is used for controlling air exhaust flow, and a first vacuumizing device which is communicated with the first air exhaust guide pipe and is used for exhausting air in the closed cavity where the plastic container is located so as to form a vacuum environment.

Furthermore, the vacuum-pumping assembly further comprises a second air-pumping duct communicated with the gasification assembly, a second air-pumping control valve arranged on the second air-pumping duct and used for controlling the air-pumping flow, and a second vacuum-pumping device communicated with the second air-pumping duct and used for pumping the internal air of the gasification assembly to form a vacuum environment.

According to another aspect of the invention, the plastic container injection, blowing and plating integrated machine comprises the plastic container injection, blowing and plating integrated machine, and further comprises an injection molding module for injection molding of a blank, a bottle blowing module for bottle blowing operation of the blank to form a plastic container, and a transfer mechanism for transferring the blank formed and output by the injection molding module to the bottle blowing module and transferring the plastic container formed and output by bottle blowing by the bottle blowing module to the inner plating module.

According to another aspect of the invention, the injection, blow-coating, filling and sealing integrated machine for the plastic container is further provided, and the injection, blow-coating, filling and sealing integrated machine for the plastic container further comprises a filling module for filling the plastic container with the contents and a sealing module for sealing the mouth of the plastic container, and the transfer mechanism is further used for transferring the plastic container which is coated and output by the coating module to the filling module and transferring the plastic container which is coated and output by the filling module to the sealing module.

The invention has the following beneficial effects:

according to the plastic container inner plating module, the barrier plating layer is formed on the inner wall surface of the plastic container through the inner plating module so as to obtain the plastic container with high barrier property, the plastic container is clamped and fixed through the fixing assembly, and then the plastic container is tightly propped against the fixing assembly through the gas transmission assembly so as to be positioned in the closed cavity, so that the plastic container is in a sealed state; the air in the closed cavity of the plastic container is extracted through the vacuumizing assembly until the requirement of vacuum degree is met, the coating material is gasified through the gasifying assembly to generate coating gas, the coating gas is transmitted to the inside of the plastic container through the gas transmission assembly, voltage is applied to the plastic container through the conducting assembly so that the coating gas is electrolyzed into plasma in a vacuum state, and then the coating gas is uniformly adhered to the inner wall surface of the plastic container to form a barrier coating so as to prevent gases such as oxygen, carbonic acid gas and the like from permeating as much as possible, so that the barrier property of the plastic container is greatly improved, and the quality of the contents in the plastic container is guaranteed; this scheme is through fixed subassembly, gas transmission subassembly, evacuation subassembly, gasification subassembly and the mutual cooperation of conducting component, forms the separation cladding material on the internal face of plastic container to obtain the plastic container of high separation nature, for prior art, the gas permeability of high separation nature plastic container is low, and the quality of its inside splendid attire thing is high, and the lightweight realization of plastic container of being convenient for is favorable to saving the resource, reduces environmental pollution, and the practicality is strong, is suitable for extensive popularization and application.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a plastic container inner plating module according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of a plastic container inner plating module according to a preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of a plastic container inner plating module according to a preferred embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an injection blow-coating all-in-one machine for plastic containers according to a preferred embodiment of the invention;

FIG. 5 is a schematic structural diagram of the injection, blow, coating, filling and sealing all-in-one machine for plastic containers according to the preferred embodiment of the invention;

fig. 6 is a schematic view of the structure of a plastic bottle according to a preferred embodiment of the present invention.

Illustration of the drawings:

100. an inner plating module; 110. a fixing assembly; 111. an inner plating frame; 112. clamping a bottle and fixing a mold; 113. a drive mechanism; 114. a bottle clamping movable die; 120. a gasification assembly; 130. a gas delivery assembly; 131. a gas delivery conduit; 132. a gas delivery control valve; 140. a vacuum pumping assembly; 141. a first pumping duct; 142. a first air extraction control valve; 143. a first vacuum extractor; 144. a second pumping duct; 145. a second air extraction control valve; 150. a conductive component; 151. a first electrode; 152. a second electrode; 200. an injection molding module; 300. a bottle blowing module; 400. a transfer mechanism; 500. a blank preheating module; 600. a filling module; 700. and a sealing module.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.

FIG. 1 is a schematic structural view of a plastic container inner plating module according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of a plastic container inner plating module according to a preferred embodiment of the present invention; FIG. 3 is a schematic structural view of a plastic container inner plating module according to a preferred embodiment of the present invention; FIG. 4 is a schematic structural diagram of an injection blow-coating all-in-one machine for plastic containers according to a preferred embodiment of the invention; FIG. 5 is a schematic structural diagram of the injection, blow, coating, filling and sealing all-in-one machine for plastic containers according to the preferred embodiment of the invention; fig. 6 is a schematic view of the structure of a plastic bottle according to a preferred embodiment of the present invention.

As shown in fig. 1 to fig. 3, the plastic container inner plating module of the present embodiment includes an inner plating module 100 for forming a barrier plating layer on an inner wall surface of a plastic container, wherein the inner plating module 100 includes a fixing component 110 for holding the plastic container, a vaporizing component 120 for receiving and vaporizing a plating material to generate a plating gas, a gas transmission component 130 communicated with the vaporizing component 120 and used for abutting against the fixing component 110 so that the plastic container is located in a closed cavity and extending into the plastic container to input the plating gas, a vacuum-pumping component 140 for vacuum-pumping the closed cavity where the plastic container is located, and a conductive component 150 arranged in the fixing component 110 and used for applying a voltage outside the plastic container so that the plating gas in the plastic container is electrolyzed into a plasma in a vacuum state and then uniformly adheres to the inner wall surface of the plastic container to form the barrier plating layer. Specifically, according to the plastic container inner plating module, a blocking plating layer is formed on the inner wall surface of the plastic container through the inner plating module 100 to obtain a plastic container with high blocking property, the plastic container is clamped and fixed through the fixing component 110, and then the plastic container is tightly abutted against the fixing component 110 through the gas transmission component 130 so as to be located in a closed cavity, so that the plastic container is in a sealed state, and the outer wall of the plastic container is not contacted with gas; the air in the closed cavity of the plastic container is extracted through the vacuumizing assembly 140 until the requirement of vacuum degree is met, the coating material is gasified through the gasifying assembly 120 to generate coating gas, the coating gas is transmitted to the inside of the plastic container through the gas transmission assembly 130, voltage is applied to the plastic container through the conductive assembly 150 so that the coating gas is electrolyzed into plasma in a vacuum state, and then the coating gas is uniformly adhered to the inner wall surface of the plastic container to form a barrier coating so as to prevent the permeation of gases such as oxygen, carbonic acid gas and the like as far as possible, so that the barrier property of the plastic container is greatly improved, and the quality of the contents in the plastic container is guaranteed; in the scheme, the fixing component 110, the gas transmission component 130, the vacuumizing component 140, the gasifying component 120 and the conductive component 150 are matched with each other in a mutually cooperative mode to form the separation coating on the inner wall surface of the plastic container so as to obtain the plastic container with high separation performanceThe plastic container is light in weight, is beneficial to saving resources and reducing environmental pollution, has strong practicability, and is suitable for wide popularization and application. Optionally, the inner plating module is used as an inner plating process device of the plastic container and is applied to a flow production line of the plastic container, specifically applied between a bottle blowing process and a filling and sealing process of the plastic container, that is, after a plastic container is blow-molded from a plastic container blank by using the bottle blowing process, the plastic container is internally plated, and then the plastic container is filled, that is, the inner plating module belongs to a module of the injection blowing and plating all-in-one machine or a module of the injection blowing and plating and sealing all-in-one machine. Optionally, the coating material is aluminum, silicon dioxide or other materials with the same properties. Optionally, the plating material is aluminum wire, and the vacuum pumping assembly 140 pumps vacuum to the closed cavity where the plastic container is located, so that the vacuum degree reaches 4x10 ^-4 mba, the vaporizing assembly 120 includes a heater, and the heating temperature of the heater is 1300-1400 ℃, so as to achieve the vaporization of the aluminum wire. It should be understood that the specific structure of the heater is well known to those skilled in the art and will not be described in excessive detail herein. Optionally, the plastic container comprises a plastic bottle. It should be understood that, because the plastic containers have different strengths and most of the plastic containers are easy to deform, if only the inner cavity of the plastic container is vacuumized, the outer portion of the plastic container is easy to deform under pressure, and the closed cavity where the plastic container is located is vacuumized, so that the internal and external pressures of the plastic container are balanced, and the plastic container is not easy to deform. It should be understood that after the barrier coating is formed on the inner wall of the plastic container, the contact between the contents inside the plastic container and the plastic container substrate can be greatly reduced, and the plastic container can be used for storing and containing the contents which can react with or be polluted by the plastic, so that the application range of the plastic container is improved.

As shown in fig. 1, in this embodiment, the fixing assembly 110 includes an inner plating frame 111, a fixed bottle clamping mold 112 fixedly disposed on the inner plating frame 111 for supporting the plastic container, a driving mechanism 113 having a movable end movably disposed on the inner plating frame 111 along a width direction of the inner plating frame 111, and a movable bottle clamping mold 114 fixedly disposed on the movable end of the driving mechanism 113 for clamping the plastic container in cooperation with the fixed bottle clamping mold 112. Specifically, the fixed bottle clamping die 112 and the driving mechanism 113 are firstly supported by the inner plating frame 111, then the plastic container is supported by the fixed bottle clamping die 112, and finally the driving mechanism 113 works to drive the movable bottle clamping die 114 to abut against the fixed bottle clamping die 112 to clamp the plastic container. Alternatively, the driving mechanism 113 is a driving cylinder or a driving oil cylinder. It should be understood that the specific structure of the driving cylinder or the driving oil cylinder belongs to the known technology of the technical personnel in the field, and the detailed description is omitted here.

As shown in fig. 1 and fig. 2, in this embodiment, the side wall of the fixed bottle clamping mold 112 is provided with a concave supporting groove along the width direction of the inner plating rack 111 for supporting the plastic container, and one or more supporting grooves on the fixed bottle clamping mold 112 are arranged at intervals along the length direction of the inner plating rack 111. Particularly, the supporting grooves arranged in rows support the rows of plastic containers, so that the inner plating of the rows of plastic containers is conveniently realized, and the inner plating efficiency is greatly improved.

As shown in fig. 1 and fig. 2, in this embodiment, the sidewall of the bottle clamping movable mold 114 is concavely provided with clamping grooves for clamping the plastic container in cooperation with the supporting grooves along the width direction of the inner plating frame 111, one or more clamping grooves on the bottle clamping movable mold 114 are arranged at intervals along the length direction of the inner plating frame 111, and the clamping grooves and the supporting grooves are arranged in a one-to-one correspondence. Particularly, the plastic containers are clamped and fixed through the clamping grooves and the supporting grooves arranged in rows, so that the inner plating of the plastic containers in rows is conveniently realized, and the inner plating efficiency is greatly improved. Alternatively, the mouths of the rows of plastic containers are simultaneously sealed by gas delivery assembly 130 and the coating gas can be simultaneously delivered into the rows of plastic containers. Optionally, the vacuum pumping assembly 140 can simultaneously pump air from the enclosed space where the row of plastic containers is located to achieve the vacuum requirement for the row of plastic containers. Alternatively, a voltage is applied to the exterior of the row of plastic containers simultaneously through the conductive assembly 150 to electrolyze the plating gas in the row of plastic containers into plasma simultaneously.

As shown in fig. 1, in the present embodiment, the conductive assembly 150 includes a first electrode 151 disposed in the bottle clamping moving mold 114, a second electrode 152 disposed in the bottle clamping fixed mold 112, and a conductive power source electrically connected to the first electrode 151 and the second electrode 152, respectively. Specifically, the conductive power supply operates to energize the first electrode 151 and the second electrode 152 to apply a voltage to the outside of the plastic container, effecting electrolysis of the coating gas inside the plastic container. Alternatively, the first electrodes 151, the second electrodes 152 and the plastic containers are arranged in one-to-one correspondence to apply a voltage to the rows of plastic containers.

As shown in fig. 1, in the present embodiment, the gas delivery assembly 130 includes a gas delivery conduit 131 movably arranged along the height direction of the inner plating frame 111 and communicated with the vaporizing assembly 120 for abutting against the fixing assembly 110 to enable the plastic container to be located in the closed cavity and extend into the plastic container for delivering the plating gas, and a gas delivery control valve 132 arranged on the gas delivery conduit 131 for controlling the flow rate of the plating gas. Specifically, after the plastic container is fixed by the fixed bottle clamping mold 112 and the movable bottle clamping mold 114, the air delivery conduit 131 moves downward along the height direction of the inner plating rack 111 to extend into the bottom of the inner cavity of the plastic container from the bottle mouth of the plastic container, and abuts against the fixing assembly 110 to enable the plastic container to be located in the closed cavity, air in the closed cavity where the plastic container is located is extracted through the vacuumizing assembly 140 until the vacuum degree requirement is met, the air delivery control valve 132 is opened to enable the plating gas to be delivered into the bottom of the inner cavity of the plastic container through the air delivery conduit 131, the plating gas diffuses from bottom to top in the plastic container, so that the subsequently formed blocking plating layer is uniformly distributed and good in blocking performance, after the inner plating is completed, the air delivery control valve 132 can be closed, and the air delivery conduit 131 moves upward along the height direction of the inner plating rack 111 to leave the plastic container, so that the plastic container can be taken out. Optionally, the gas transmission assembly 130 further includes a lifting mechanism for driving the gas transmission conduit 131 to lift and lower along the vertical direction. Optionally, the lifting mechanism is a driving cylinder or a driving oil cylinder or a combination of a driving motor and a belt pulley. It should be understood that the specific structure of the driving cylinder or driving motor and pulley is well known to those skilled in the art and will not be described in excessive detail herein.

As shown in fig. 1, in the present embodiment, the vacuum pumping assembly 140 includes a first pumping duct 141 communicated with the gas transmission assembly 130 for communicating the closed cavity of the plastic container, a first pumping control valve 142 disposed on the first pumping duct 141 for controlling a pumping flow rate, and a first vacuum pump 143 communicated with the first pumping duct 141 for pumping air of the closed cavity of the plastic container to form a vacuum environment. Specifically, after the plastic container is fixed on the bottle clamping movable mold 114 and the bottle clamping fixed mold 112, and the mouth of the plastic container is sealed by the vaporizing assembly 120, the plastic container is communicated with the gas transmission assembly 130 through the first gas exhaust conduit 141, the first gas exhaust control valve 142 is opened, the first vacuum apparatus 143 is started to exhaust the air in the closed cavity of the plastic container to form a vacuum environment, and after the vacuum degree meets the requirement, the first gas exhaust control valve 142 is closed to ensure the vacuum degree of the closed cavity of the plastic container.

As shown in FIG. 1, in the present embodiment, the vacuum pumping assembly 140 further comprises a second pumping duct 144 communicated with the vaporizing assembly 120, a second pumping control valve 145 disposed on the second pumping duct 144 for controlling the pumping flow, and a second vacuum pump communicated with the second pumping duct 144 for pumping the air inside the vaporizing assembly 120 to form a vacuum environment. Specifically, after the coating material is stored in the vaporizing element 120, the second pumping duct 144 is connected to the vaporizing element 120, the second pumping control valve 145 is opened and the second vacuum pump is started to pump the air in the vaporizing element 120 to form a vacuum environment, and after the vacuum degree meets the requirement, the second pumping control valve 145 is closed to ensure the vacuum degree in the inner cavity of the vaporizing element 120, so that the coating gas generated after the coating material is vaporized by the vaporizing element 120 has no impurities. Optionally, the first vacuum extractor 143 and the second vacuum extractor are the same vacuum extractor. It should be understood that the specific structure of the vacuum pumping device is well known to those skilled in the art and will not be described in excessive detail herein.

In this embodiment, the interior plating module 100 further includes a material delivery assembly in communication with the gasification assembly 120 for delivering a plating material into the gasification assembly 120. Specifically, the material delivery assembly includes a material delivery conduit communicated with the gasification assembly 120 and a material delivery control valve disposed on the material delivery conduit for controlling the flow rate of the plating material, the material delivery control valve is opened to deliver the plating material into the gasification assembly 120 through the material delivery conduit, and the material delivery control valve is closed after the delivery rate of the plating material meets the requirement.

As shown in fig. 4, the plastic container injection, blowing and plating all-in-one machine of this embodiment includes the above plastic container injection, blowing and plating all-in-one machine, and further includes an injection module 200 for injection molding to form a blank, a bottle blowing module 300 for performing a bottle blowing operation on the blank to form a plastic container, and a transfer mechanism 400 for transferring the blank formed and output by the injection module 200 to the bottle blowing module 300 and transferring the plastic container formed and output by the bottle blowing module 300 to the inside plating module 100. Specifically, the injection-blow-plating integrated machine for plastic containers is characterized in that a blank body is injection-molded by an injection molding module 200, and then the injection-molded blank body is clamped by a transfer mechanism 400 and transferred to the next station; the transfer mechanism 400 transfers the green body into the bottle blowing module 300, the bottle blowing module 300 performs bottle blowing on the green body, and then the transfer mechanism 400 clamps the plastic container subjected to bottle blowing and transfers the plastic container to the next station; the transfer mechanism 400 transfers the plastic container into the inner plating module 100, and the inner plating module 100 performs inner plating barrier plating on the plastic container to obtain a plastic container with high barrier property, so that the flow line production of the high-barrier plastic container is realized, and the production efficiency is greatly improved. The required temperature of the blank from the injection molding module 200 to the bottle blowing module 300 is comprehensively ensured by the space between the injection molding module 200 and the bottle blowing module 300, the transfer action speed of the transfer module and the working environment temperature of the injection blowing and plating integrated machine. Optionally, the injection molding machine realizes injection molding material shunting through the material injection pipe and respectively enters the material flow paths of the blank mold assemblies, so that blank molding is performed in blank molding cavities of the blank mold assemblies, and the injection molding machine realizes simultaneous injection molding of rows of blanks. Preferably, the number of blank mold assemblies is two. Optionally, the material injection pipe has a heat preservation and insulation function, and a heating pipe clamp can be arranged outside the material injection pipe if necessary. Optionally, the green body molding cavities in the blank mold assembly are arranged in a single row, and the green body molding cavities are arranged at intervals, and the number of the green body molding cavities in the single row is 3-20. Optionally, the green body molding cavities in the green mold assembly are arranged in multiple rows, and the green body molding cavities are arranged at intervals; preferably, the blank-forming cavities in the blank mold assembly are arranged in two rows. It should be understood that, as shown in fig. 4, in the present embodiment, the plastic container injection/blow-coating all-in-one machine is linear, and in another embodiment, the plastic container injection/blow-coating all-in-one machine may be a turntable.

As shown in fig. 4, in the present embodiment, a blank preheating module 500 is disposed between the injection molding module 200 and the bottle blowing module 300, and the injection molding module 200, the blank preheating module 500, and the bottle blowing module 300 are sequentially arranged in a linear manner; the injection molding module 200 translates the blank output by injection molding into the blank preheating module 500 through the transfer mechanism 400 for preheating, and then translates into the bottle blowing module 300 for bottle blowing. Because the blank after injection molding cannot be directly blown by bottles due to the material, the thickness, the size and the like of the plastic container or other reasons, a preheating link needs to be additionally arranged between the injection molding and the bottle blowing. The injection molding module 200, the blank preheating module 500 and the bottle blowing module 300 are also arranged in a linear manner in sequence, and the arrangement direction and the distance of the preheating cavity of the blank preheating module 500 are matched with the blank forming cavity of the injection molding module 200, the bottle blowing cavity of the bottle blowing module 300 and the bottle transferring clamp of the transferring mechanism 400, so that the transferring mechanism 400 can complete the transferring action of materials among all station processes through simple reciprocating translation action; the injection molding module 200 outputs a blank after injection molding, the transfer mechanism 400 clamps the blank and translates the blank into the blank preheating module 500 for preheating, then translates the blank into the bottle blowing module 300 for synchronous bottle blowing, and outputs the blank after the bottle blowing is finished; the output can be directly output downwards through the bottle blowing module 300, or can be released after being translated out of the bottle blowing module 300 through the transfer mechanism 400. Optionally, a heating medium circulation channel is distributed in the blank preheating module 500, and the blank is preheated by introducing a heating medium; and the flowing heating medium is adopted for preheating, so that the precise control of the preheating temperature is facilitated.

As shown in fig. 5, the injection, blow-coating, filling and sealing all-in-one machine for plastic containers of the present embodiment includes the above-mentioned all-in-one machine for plastic containers, and further includes a filling module 600 for filling a container into a plastic container and a sealing module 700 for sealing a bottle mouth of the plastic container, and the transferring mechanism 400 is further configured to transfer a plastic container that is coated and output in the coating module 100 to the filling module 600 and transfer a plastic container that is coated and output in the filling module 600 to the sealing module 700. Specifically, the injection, blowing, coating, filling and sealing integrated machine for the plastic container comprises an injection molding module 200 for injection molding of a blank, a transfer mechanism 400 for transferring the blank into a blank preheating module 500 for preheating of the blank, a transfer mechanism 400 for transferring the preheated blank into a bottle blowing module 300 for synchronous bottle blowing of the blank, a transfer mechanism 400 for transferring the bottle-blown plastic container into an inner coating module 100 for inner coating, a transfer mechanism 400 for transferring the inner coated plastic container into a filling module 600 for filling, and a transfer mechanism 400 for transferring the filled plastic container into a sealing module 700 for sealing of the plastic container, wherein the plastic container is output, so that the preparation of the whole product is completed, and the plastic container with high barrier property is obtained. It should be understood that, as shown in fig. 5, in the present embodiment, the integrated injection, blow, coating, filling and sealing machine for plastic containers is linear, and in another embodiment, the integrated injection, blow, coating, filling and sealing machine for plastic containers may be a turntable.

As shown in fig. 6, the plastic bottle of the present embodiment is obtained by manufacturing the plastic container inner plating module. Specifically, the barrier coating is plated on the inner wall surface, so that the barrier property is greatly improved, gas permeation is prevented, and the quality of the stored objects in the inner wall is guaranteed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The plastic container inner plating module is characterized by comprising an inner plating module (100) for forming a barrier plating layer on the inner wall surface of a plastic container,

the inner plating module (100) comprises a fixing component (110) for clamping a plastic container, a gasification component (120) for receiving and gasifying plating materials to generate plating gas, a gas transmission component (130) which is communicated with the gasification component (120) and used for abutting against the fixing component (110) to enable the plastic container to be located in a closed cavity and extend into the plastic container to input the plating gas, a vacuumizing component (140) for vacuumizing the closed cavity where the plastic container is located, and a conductive component (150) which is arranged in the fixing component (110) and used for applying voltage outside the plastic container to enable the plating gas in the plastic container to be electrolyzed into plasma in a vacuum state so as to be uniformly adhered to the inner wall surface of the plastic container to form a blocking plating layer.

2. The plastic container inner plating module according to claim 1, wherein the fixing assembly (110) comprises an inner plating frame (111), a fixed bottle clamping mold (112) fixedly arranged on the inner plating frame (111) and used for supporting the plastic container, a driving mechanism (113) with a movable end movably arranged on the inner plating frame (111) along the width direction of the inner plating frame (111), and a movable bottle clamping mold (114) fixedly arranged on the movable end of the driving mechanism (113) and used for clamping the plastic container in cooperation with the fixed bottle clamping mold (112).

3. The plastic container inner plating module group according to claim 2, wherein the side wall of the fixed bottle clamping mold (112) is concavely provided with a supporting groove for supporting the plastic container along the width direction of the inner plating rack (111), and one or more supporting grooves on the fixed bottle clamping mold (112) are arranged at intervals along the length direction of the inner plating rack (111).

4. The plastic container inner plating module according to claim 3, wherein the side wall of the bottle clamping movable die (114) is concavely provided with a clamping groove for clamping the plastic container in cooperation with the supporting groove along the width direction of the inner plating rack (111), one or more clamping grooves are arranged on the bottle clamping movable die (114) at intervals along the length direction of the inner plating rack (111), and the clamping grooves and the supporting grooves are arranged in a one-to-one correspondence manner.

5. The plastic container inner plating module according to claim 2, wherein the conductive assembly (150) comprises a first electrode (151) disposed in the bottle clamping movable mold (114), a second electrode (152) disposed in the bottle clamping fixed mold (112), and a conductive power source electrically connected to the first electrode (151) and the second electrode (152), respectively.

6. The plastic container inner plating module according to any one of claims 1 to 5, wherein the gas delivery assembly (130) comprises a gas delivery conduit (131) movably arranged along the height direction of the inner plating frame (111) and communicated with the vaporizing assembly (120) for abutting against the fixing assembly (110) to enable the plastic container to be positioned in the closed cavity and extend into the plastic container for delivering the plating gas, and a gas delivery control valve (132) arranged on the gas delivery conduit (131) for controlling the flow of the plating gas.

7. The plastic container inner plating module according to any one of claims 1 to 5, wherein the vacuum pumping assembly (140) comprises a first air pumping conduit (141) communicated with the air delivery assembly (130) for communicating the closed cavity where the plastic container is located, a first air pumping control valve (142) arranged on the first air pumping conduit (141) for controlling the air pumping flow, and a first vacuum pumping device (143) communicated with the first air pumping conduit (141) for pumping the air of the closed cavity where the plastic container is located to form a vacuum environment.

8. The plastic container plating module according to claim 7, wherein the vacuum pumping assembly (140) further comprises a second pumping duct (144) communicated with the vaporizing assembly (120), a second pumping control valve (145) disposed on the second pumping duct (144) for controlling the pumping flow, and a second vacuum pump communicated with the second pumping duct (144) for pumping the internal air of the vaporizing assembly (120) to form a vacuum environment.

9. An injection blow-plating all-in-one machine for plastic containers, which is characterized by comprising the injection blow-plating all-in-one machine for plastic containers as claimed in any one of claims 1 to 8,

the injection, blowing and plating integrated machine further comprises an injection molding module (200) used for injection molding to form a blank body, a bottle blowing module (300) used for performing bottle blowing operation on the blank body to form a plastic container, and a transfer mechanism (400) used for transferring the blank body formed and output by the injection molding module (200) to the bottle blowing module (300) and transferring the plastic container formed and output by the bottle blowing module (300) to the inner plating module (100).

10. An injection, blow, coating, filling and sealing all-in-one machine for plastic containers, which is characterized by comprising the all-in-one machine for injection, blow, coating and sealing for plastic containers as claimed in claim 9,

the injection, blow-coating, filling and sealing integrated machine also comprises a filling module (600) for filling the contents into the plastic container and a sealing module (700) for sealing the bottle mouth of the plastic container,

the transfer mechanism (400) is also used for transferring the plastic containers which are internally plated and output by the internal plating module (100) to the filling module (600) and transferring the plastic containers which are filled and output by the filling module (600) to the sealing module (700).

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