Pipeline injection mold convenient to cool

Abstract

The utility model provides a pipeline injection mold convenient to cool, and relates to the field of injection molds, the pipeline injection mold convenient to cool comprises a base, a lower mold, an upper mold, a top plate and a cooling assembly, the cooling assembly comprises a cooling header pipe and a cooling annular pipe, and the cooling annular pipe is arranged at the outer end of an injection mold core; the cooling annular pipe can be used for cooling the injection mold core, cooling liquid can be introduced into the cooling annular pipe, so that the upper mold core and the lower mold core can be quickly cooled, and the injection mold core can be quickly cooled. And injection molding objects in the injection molding cavity are rapidly cooled and then are ejected out.

Description

Technical Field

[0001] The present application relates to the field of molds, and in particular to a pipe injection mold that is easy to cool. Background Art

[0002] An injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, the heated and melted plastic is injected into the mold cavity by an injection molding machine under high pressure, and a molded product is obtained after cooling and solidification. However, in the existing molds, the mold core shifts during the injection molding process, and the cooling effect is poor during the injection molding process. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a pipe injection mold that is easy to cool and can solve the above-mentioned technical problems.

[0004] The embodiment of the present application provides a pipeline injection mold that is easy to cool, including a base, a lower mold, an upper mold, a top plate, and a cooling component, the lower mold is installed on the base, the top plate is installed on the upper mold, the bottom surface of the upper mold is fitted with the top surface of the lower mold, an accommodating cavity is provided between the upper mold and the lower mold, an injection mold core is provided inside the accommodating cavity, the injection mold core includes an upper mold core and a lower mold core, the bottom surface of the upper mold core is fitted with the top surface of the lower mold core, an injection cavity is provided inside the upper mold core and the lower mold core, an injection port is provided on the top plate, an injection molding pipe is provided in the upper mold, the injection molding port, the injection molding pipe, and the injection molding cavity are connected in sequence, the cooling component includes a cooling main pipe and a cooling annular pipe, the cooling annular pipe is provided at the outer end of the injection mold core, the cooling main pipe is installed at both ends of the cooling annular pipe, and an elastic member is provided between the lower mold core and the accommodating cavity.

[0005] Preferably, a plurality of elastic members are provided, and each elastic member is a spring.

[0006] Preferably, two cooling assemblies are provided, one cooling annular tube is provided at the upper end of the upper mold core, and the other cooling annular tube is provided at the lower end of the lower mold core.

[0007] Preferably, a limiting member is provided between the upper mold and the lower mold, and the limiting member is connected to the upper mold and the lower mold respectively by bolts.

[0008] Preferably, the cooling annular tube is a serpentine tube, the cooling annular tube is a metal tube, and the width of the cooling annular tube is greater than the width of the upper mold core or the width of the lower mold core.

[0009] Preferably, an elastic component is provided between the lower mold and the base, the elastic component comprises a supporting column and a return spring, the supporting column is installed between the lower mold and the base, and the return spring is sleeved on the supporting column.

[0010] Preferably, limiting columns are provided between the base and the lower mold, and between the top plate and the upper mold.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides a pipeline injection mold that is easy to cool, comprising a base, a lower mold, an upper mold, a top plate, and a cooling component, wherein the lower mold is installed on the base, the top plate is installed on the upper mold, the bottom surface of the upper mold is fitted with the top surface of the lower mold, an accommodating cavity is provided between the upper mold and the lower mold, an injection mold core is provided inside the accommodating cavity, the injection mold core comprises an upper mold core and a lower mold core, the bottom surface of the upper mold core is fitted with the top surface of the lower mold core, the upper mold core and the lower mold core are provided with an injection cavity, and the top plate is provided with an injection mold core. The upper mold is provided with an injection molding pipe, the injection molding port, the injection molding pipe and the injection molding cavity are connected in sequence, the cooling assembly includes a cooling main pipe and a cooling annular pipe, the cooling annular pipe is provided at the outer end of the injection mold core, the cooling main pipe is installed at both ends of the cooling annular pipe, an elastic member is provided between the lower mold core and the accommodating cavity, the cooling annular pipe of the utility model can cool the injection mold core, and coolant can be introduced into the cooling annular pipe to quickly cool the upper mold core and the lower mold core, so that the injection molded object inside the injection molding cavity is quickly cooled, and then the injection molded object is ejected. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a cross-sectional view of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the utility model.

[0016] The reference numerals are:

[0017] 1. Base; 2. Lower mold; 3. Upper mold; 4. Top plate; 5. Cooling assembly; 6. Accommodating cavity; 7. Injection mold core; 8. Upper mold core; 9. Lower mold core; 10. Injection cavity; 11. Injection port; 12. Injection pipeline; 13. Cooling main pipe; 14. Cooling annular pipe; 15. Elastic part; 16. Limit part; 17. Elastic assembly; 18. Support column; 19. Return spring; 20. Limit column. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] like Figure 1-2 As shown, a pipe injection mold that is easy to cool includes a base 1, a lower mold 2, an upper mold 3, a top plate 4, and a cooling assembly 5. The lower mold 2 is installed on the base 1, and the top plate 4 is installed on the upper mold 3. The bottom surface of the upper mold 3 is fitted with the top surface of the lower mold 2. An accommodating cavity 6 is provided between the upper mold 3 and the lower mold 2. An injection mold core 7 is provided inside the accommodating cavity 6. The injection mold core 7 includes an upper mold core 8 and an upper mold core 9. The bottom surface of the upper mold core 8 is fitted with the top surface of the upper mold core 9. An injection cavity 10 is provided inside the upper mold core 8 and the upper mold core 9. An injection port 11 is provided on the top plate 4. An injection molding pipe 12 is arranged in the upper mold 3, and the injection molding port 11, the injection molding pipe 12, and the injection molding cavity 10 are sequentially connected. The cooling assembly 5 includes a cooling main pipe 13 and a cooling annular pipe 14. The cooling annular pipe 14 is arranged at the outer end of the injection mold core 7, and the cooling main pipe 13 is installed at both ends of the cooling annular pipe 14. An elastic member 15 is arranged between the upper mold core 9 and the accommodating cavity 6. The cooling annular pipe 14 of the utility model can cool the injection mold core 7, and coolant can be introduced into the cooling annular pipe 14, so that the upper mold core 8 and the upper mold core 9 are cooled quickly, so that the injection molded objects inside the injection molding cavity 10 are cooled quickly, and then the injection molded objects are ejected.

[0025] Specifically, the injection liquid is injected from the injection port 11 and then flows into the injection cavity 10 from the injection channel for injection molding. The upper mold core 8 and the upper mold core 9 after injection molding are cooled by the cooling annular tube 14, and then the injection molded object is ejected from the injection cavity 10.

[0026] like Figure 1-2 As shown, in this embodiment, a plurality of elastic members 15 are provided, and the elastic member 15 is a spring. The elastic member 15 of the utility model is used to limit the upper mold core 9.

[0027] like Figure 1-2As shown, in this embodiment, in order to improve the cooling efficiency, the cooling assembly 5 is provided with two, one cooling annular tube 14 is provided at the upper end of the upper mold core 8, and the other cooling annular tube 14 is provided at the lower end of the upper mold core 9.

[0028] like Figure 1-2 As shown, in this embodiment, a limiting member 16 is arranged between the upper mold 3 and the lower mold 2, and the limiting member 16 is respectively connected to the upper mold 3 and the lower mold 2 by bolts. The limiting member 16 of the utility model is used to fix the upper mold 3 and the lower mold 2 to prevent displacement during the injection molding process.

[0029] like Figure 1-2 As shown, in this embodiment, in order to further improve the cooling efficiency, the cooling annular tube 14 is a serpentine tube, the cooling annular tube 14 is a metal tube, and the width of the cooling annular tube 14 is greater than the width of the upper mold core 8 or the width of the upper mold core 9.

[0030] like Figure 1-2 As shown, in this embodiment, an elastic component 17 is arranged between the lower mold 2 and the base 1, and the elastic component 17 includes a supporting column 18 and a return spring 19. The supporting column 18 is installed between the lower mold 2 and the base 1, and the return spring 19 is sleeved on the supporting column 18. The ejector column of the utility model is used to eject the injection molded object from the injection cavity 10. The return spring 19 is compressed during the ejection process, and a restoring force is applied to the ejector column during the resetting process, so that the ejector column is reset.

[0031] like Figure 1-2 As shown, in this embodiment, limiting columns 20 are provided between the base 1 and the lower mold 2, and between the top plate 4 and the upper mold 3. The limiting columns 20 of the utility model are used to limit and fix the base 1 and the lower mold 2, and the top plate 4 and the upper mold 3.

[0032] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pipe injection mold that is easy to cool, characterized in that: It includes a base, a lower mold, an upper mold, a top plate, and a cooling component. The lower mold is installed on the base, the top plate is installed on the upper mold, the bottom surface of the upper mold is fitted with the top surface of the lower mold, an accommodating cavity is arranged between the upper mold and the lower mold, an injection mold core is arranged inside the accommodating cavity, the injection mold core includes an upper mold core and a lower mold core, the bottom surface of the upper mold core is fitted with the top surface of the lower mold core, an injection cavity is arranged inside the upper mold core and the lower mold core, an injection port is arranged on the top plate, an injection pipe is arranged in the upper mold, the injection port, the injection pipe, and the injection cavity are connected in sequence, the cooling component includes a cooling main pipe and a cooling annular pipe, the cooling annular pipe is arranged at the outer end of the injection mold core, the cooling main pipe is installed at both ends of the cooling annular pipe, and an elastic member is arranged between the lower mold core and the accommodating cavity.

2. A pipe injection mold that is easy to cool according to claim 1, characterized in that: A plurality of elastic members are provided, and each elastic member is a spring.

3. The pipe injection mold that is easy to cool according to claim 1, characterized in that: The cooling components are provided with two, one cooling annular tube is provided at the upper end of the upper mold core, and the other cooling annular tube is provided at the lower end of the lower mold core.

4. The pipe injection mold that is easy to cool according to claim 1, characterized in that: A limiting member is arranged between the upper mold and the lower mold, and the limiting member is connected to the upper mold and the lower mold respectively through bolts.

5. The pipe injection mold that is easy to cool according to claim 1, characterized in that: The cooling annular tube is a serpentine tube, the cooling annular tube is a metal tube, and the width of the cooling annular tube is greater than the width of the upper mold core or the width of the lower mold core.

6. The pipe injection mold that is easy to cool according to claim 1, characterized in that: An elastic component is arranged between the lower mold and the base, and the elastic component comprises a supporting column and a return spring. The supporting column is installed between the lower mold and the base, and the return spring is sleeved on the supporting column.

7. The pipe injection mold that is easy to cool according to claim 1, characterized in that: Limiting columns are arranged between the base and the lower mold, and between the top plate and the upper mold.

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