Temperature adjusting device for outer wall of injection molding pipe blank formed by one-step four-station injection, stretch and blow molding

Abstract

The utility model discloses an injection molding pipe blank outer wall temperature adjusting device for one-step four-station injection, stretch and blow molding. The injection molding pipe blank outer wall temperature adjusting device comprises a temperature adjusting assembly and a mounting assembly, the mounting assembly is arranged on an external temperature adjusting station; the temperature adjusting assembly is arranged on the mounting assembly, and the outer wall of the temperature adjusting assembly is connected with an external heating element; and the pipe blank to be subjected to temperature adjustment extends into the temperature adjustment assembly for temperature adjustment. The forming device is simple in structure, wide in application range and capable of improving the qualification rate of formed containers.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature control of the outer wall of an injection molded tube embryo, in particular to a temperature control device for the outer wall of an injection molded tube embryo for one-step four-station injection stretch blow molding. Background Art

[0002] When using a one-step four-station injection stretch blow molding machine to produce tube embryos, the second step of the process, that is, the temperature adjustment of the outer wall of the tube embryo, is carried out. After the tube embryo is separated from the injection mold, it will sag, stretch and bend, causing the wall thickness of the tube embryo along the axial direction to change. The different temperatures of the tube embryo along the axial direction will seriously affect the subsequent stretch blow molding process, and then affect the uniformity of the wall thickness of the container after stretch blow molding, and seriously cause the container to fail to form. Summary of the invention

[0003] According to an embodiment of the utility model, a one-step four-station injection stretch blow molding injection tube embryo outer wall temperature control device is provided, comprising: a temperature control component and a mounting component;

[0004] The installation components are located on the external temperature control station;

[0005] The temperature control component is arranged on the mounting component, and the outer wall of the temperature control component is connected to the external heating element;

[0006] The injection molded tube blank to be temperature-controlled is inserted into the temperature-control component for temperature control.

[0007] Further, the temperature adjustment component comprises: a first temperature adjustment component and a plurality of second temperature adjustment components;

[0008] The first temperature regulating member is used for regulating the temperature of the bottom of the tube embryo;

[0009] The second temperature regulating member is in a closed ring shape. When in use, a plurality of second temperature regulating members are sleeved on the outer wall of the tube embryo, and each second temperature regulating member is used to regulate the temperature of the outer wall of the corresponding tube embryo.

[0010] Further, the mounting assembly includes: a mounting frame and a plurality of adjustment screws;

[0011] A plurality of second temperature regulating components are stacked up and down on the mounting frame;

[0012] The outer wall of each second temperature regulating component is correspondingly provided with a plurality of adjusting screws for adjusting the plurality of second temperature regulating components to remain in the same axial direction.

[0013] Furthermore, the installation assembly also includes: a base plate and an adjusting nut; the base plate is arranged at the bottom of the installation frame, and the first temperature regulating component is installed on the base plate through the adjusting nut.

[0014] The outer wall temperature regulating device of the injection tube embryo for one-step four-station injection stretch blow molding according to the embodiment of the utility model has a simple structure and a wide range of applications, and can improve the qualified rate of the molded containers.

[0015] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the temperature regulating device for the outer wall of the injection molded tube embryo for one-step four-station injection stretch blow molding according to the embodiment of the utility model;

[0017] Figure 2 It is a top view of the temperature regulating device for the outer wall of the injection molded tube embryo for one-step four-station injection stretch blow molding according to an embodiment of the utility model. Implementation

[0018] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0019] First, combine Figure 1 , 2 A temperature regulating device for the outer wall of an injection molded tube embryo for one-step four-station injection stretch blow molding according to an embodiment of the utility model is described, which is used for regulating the temperature of the outer wall of the injection molded tube embryo and has a wide range of application scenarios.

[0020] like Figure 1 , 2 As shown, the temperature regulating device for the outer wall of the injection molded tube embryo by one-step four-station injection stretch blow molding of the embodiment of the utility model comprises a temperature regulating component 1 and a mounting component 2, and has a simple structure.

[0021] Specifically, Figure 1 , 2 As shown, the mounting assembly 2 is arranged on an external temperature adjustment station; the temperature adjustment assembly 1 is arranged on the mounting assembly 2, and the outer wall of the temperature adjustment assembly 1 is connected to an external heating element; the injection molded tube blank to be temperature adjusted is extended into the temperature adjustment assembly 1 for temperature adjustment.

[0022] Further, if Figure 1 As shown, the temperature control component 1 includes: a first temperature control component 11 and a plurality of second temperature control components 12; the first temperature control component 11 is used for adjusting the temperature of the bottom of the injection molded tube embryo; the second temperature control component 12 is a closed ring, and when in use, a plurality of second temperature control components 12 are sleeved on the outer wall of the injection molded tube embryo, and each second temperature control component 12 is used to adjust the temperature of the outer wall of the corresponding injection molded tube embryo. In this embodiment, each second temperature control component 12 is connected to an external heating element, and the number of second temperature control components 12 can be increased or decreased according to the length of the injection molded tube embryo, and the applicability is strong. And the shape of the second temperature control component 12 can be adjusted according to the actual shape of the injection molded tube embryo, and the adaptability range is wide.

[0023] Further, if Figure 1 , 2 As shown, the mounting assembly 2 includes: a mounting frame 21 and a plurality of adjusting screws 22; a plurality of second temperature regulating components 12 are stacked up and down on the mounting frame 21; and a plurality of adjusting screws 22 are correspondingly provided on the outer wall of each second temperature regulating component 12 for adjusting the plurality of second temperature regulating components 12 to remain in the same axial direction.

[0024] The mounting frame 21 in this embodiment is composed of four columns 211 and a plurality of support rods 212. Each column 211 is provided with a plurality of round holes. The support rods 212 pass through the round holes of two adjacent columns 211. Every two support rods 212 form a platform. The second temperature regulating member 12 is arranged on the platform. The number of platforms and second temperature regulating members 12 can be increased according to the length of the injection molded tube blank. The adaptability is wide, and such a structure is also extremely convenient for future maintenance. It can be disassembled and maintained without the use of special tools. The columns 211 in this embodiment are also provided with a plurality of internal threaded holes. The adjusting screws 22 pass through the internal threaded holes to adjust the second temperature regulating member 12.

[0025] Further, if Figure 1 As shown, the installation assembly 2 also includes: a base plate 23, an adjusting nut 24 and a locking nut 25; the base plate 23 is arranged at the bottom of the mounting frame 21, the first temperature control component 11 is installed on the base plate 23 through the adjusting nut 24, and the locking nut 25 is used to achieve the locking of the adjusting nut 24 after adjustment.

[0026] When in use, the injection molded tube embryo that has not been completely cooled down after leaving the injection mold is transferred to the temperature control station, and the temperature control device of the outer wall of the injection molded tube embryo rises, so that the injection molded tube embryo enters the second temperature control component 12, and the bottom of the injection molded tube embryo reaches the first temperature control component 11. According to the sagging of the injection molded tube embryo, that is, the elongation of the injection molded tube embryo, the first temperature control component 11 located at the bottom of the injection molded tube embryo is adjusted to move up and down by screwing the adjusting nut 24, and then the locking nut 25 is tightened, and then the first temperature control component 11 is heated by an external heating element to achieve the temperature control of the bottom of the injection molded tube embryo; by screwing the adjusting screw 22, the second temperature control component 12 corresponding to the outer wall of the injection molded tube embryo can be adjusted, and then the second temperature control component 12 is heated by an external heating element, so as to achieve the temperature control of the outer wall of the injection molded tube embryo.

[0027] Above, refer to Figure 1 , 2 The invention describes a one-step four-station injection stretch blow molding outer wall temperature regulating device for an injection molded tube embryo, which has a simple structure, a wide range of applications, and can improve the qualified rate of molded containers.

[0028] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A one-step four-station injection stretch blow molding injection tube embryo outer wall temperature control device, characterized in that: Includes: temperature control components and installation components; The installation assembly is arranged on an external temperature adjustment station; The temperature adjustment component is arranged on the mounting component, and the outer wall of the temperature adjustment component is connected to an external heating element; The injection molded tube blank to be temperature-controlled is inserted into the temperature-control component for temperature control.

2. The one-step four-station injection stretch blow molding outer wall temperature regulating device for injection molded tube embryos according to claim 1, characterized in that: The temperature adjustment component comprises: a first temperature adjustment component and a plurality of second temperature adjustment components; The first temperature regulating member is used for regulating the temperature of the bottom of the tube embryo; The second temperature regulating member is in a closed ring shape. When in use, the plurality of second temperature regulating members are sleeved on the outer wall of the tube embryo, and each of the second temperature regulating members is used to regulate the temperature of the outer wall of the corresponding tube embryo.

3. The one-step four-station injection stretch blow molding outer wall temperature regulating device for injection molded tube embryos according to claim 2, characterized in that: The installation assembly comprises: a mounting frame and a plurality of adjustment screws; The plurality of second temperature regulating components are stacked up and down on the mounting frame; The outer wall of each of the second temperature regulating components is correspondingly provided with a plurality of adjusting screws for adjusting the plurality of second temperature regulating components to remain in the same axial direction.

4. The one-step four-station injection stretch blow molding outer wall temperature regulating device for injection molded tube embryos according to claim 3, characterized in that: The installation assembly further comprises: a base plate and an adjusting nut; the base plate is arranged at the bottom of the installation frame, and the first temperature regulating component is installed on the base plate through the adjusting nut.

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