An injection mold for producing a lower cover of a steering wheel of an automobile

Abstract

The utility model belongs to the production technical field of automobile steering wheel lower protective cover, concretely relates to a kind of injection mould for automobile steering wheel lower protective cover production, including side by side arrangement's upper die body and lower die body;The lower die body includes forming support module, second connecting module, liquid cooling mechanism, jacking separation mechanism and bottom support module;Upper die body is equipped with injection flow guide passage inside;Second connecting module is connected in the upper surface of the bottom support module;Forming support module is connected in the top of second connecting module;And injection moulding cavity is equipped between upper die body and forming support module;Jacking separation mechanism is connected to bottom support module;Jacking separation mechanism passes through forming support module and second connecting module, and it is set into injection moulding cavity and extends into. The utility model can ensure the stability of injection operation to carry out, and also can improve the cooling separation speed of the product formed;Therefore improve injection moulding efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of automotive steering wheel cover manufacturing technology, and particularly relates to an injection mold for manufacturing automotive steering wheel covers. Background Technology

[0002] As people's demands for automobile performance continue to increase, so too do their requirements for automobile exterior and interior decoration. Since automobile interior parts are primarily made of plastic, the quality of injection molds is a crucial factor affecting the quality of automobile interior components. Therefore, researching molds for automobile interior parts is of great significance. The steering wheel, used in vehicles, is a well-known example. It is typically located in the driver's area and is used and / or designed to steer and / or control the vehicle.

[0003] However, existing injection molds for the lower cover of automotive steering wheels have a slow cooling and forming speed, and a slow separation speed, which affects the injection molding efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide an injection mold for producing a lower cover for an automobile steering wheel, which addresses the shortcomings of existing technologies and solves the technical problem of low injection efficiency in existing technologies.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An injection mold for producing a lower cover for an automobile steering wheel includes an upper mold body and a lower mold body arranged side by side. The lower mold body includes a molding support module, a second connecting module, a liquid cooling mechanism, a lifting and separating mechanism, and a bottom support module. The upper mold body has an injection flow channel. The second connecting module is connected to the upper surface of the bottom support module. The molding support module is connected to the top of the second connecting module. An injection molding cavity is provided between the upper mold body and the molding support module. The liquid cooling mechanism is connected to the second connecting module, and the cooling end of the liquid cooling mechanism is connected to the molding support module. The mounting end of the lifting and separating mechanism is connected to the bottom support module. The lifting end of the lifting and separating mechanism passes through the molding support module and the second connecting module and extends into the injection molding cavity.

[0006] Preferably, the upper mold body includes a first connecting module and a molding limiting module; the molding limiting module is connected to the bottom of the first connecting module; the molding limiting module and the molding support module form the injection molding cavity; the first connecting module is provided with an injection guide pipe; the injection guide pipe is connected to the injection guide channel.

[0007] Preferably, the first connecting module has a lifting connecting shaft on its top surface away from the injection molding cavity; the lifting connecting shaft is used to connect with a lifting cylinder.

[0008] Preferably, the liquid cooling mechanism includes an input pipe, a flow curved pipe, and an output pipe; the flow curved pipe is connected to the second connecting module and is disposed below the injection molding cavity; the input pipe is connected to the side end of the molding support module and is connected to one end of the flow curved pipe; the output pipe is connected to the side end of the molding support module and is connected to the other end of the flow curved pipe; and both the input pipe and the output pipe are used to communicate with the refrigeration generating mechanism.

[0009] Preferably, the lifting and separating mechanism includes a lifting cylinder and a lifting bracket; the lifting cylinder is connected to the bottom support module and to one end of the lifting bracket; the other end of the lifting bracket passes through the molding support module and the second connecting module and extends to the injection molding cavity.

[0010] Preferably, the lifting bracket includes a lifting vertical rod, a horizontal connecting plate, and a lifting sealing block; the horizontal connecting plate is disposed between the bottom support module and the second connecting module, and is connected to the movable end of the lifting vertical rod; a lifting gap is provided between the horizontal connecting plate and the second connecting module; the lifting vertical rod is connected to the bottom support module; the number of lifting vertical rods is at least one; one end of each lifting vertical rod is connected to the upper surface of the horizontal connecting plate; the other end of each lifting vertical rod passes through the forming support module and the second connecting module, and is connected to the lifting sealing block; the lifting sealing block is sealed to the inner wall of the second connecting module.

[0011] Preferably, the bottom support module includes a support base plate, a support side plate, and a buffer spring; the support side plate is connected to the upper surface of the support base plate; an assembly gap is provided between the support side plate and the forming support module; one end of the buffer spring is connected to the forming support module 210; the other end of the buffer spring passes through the support side plate and is connected to the support base plate.

[0012] The beneficial effects of this utility model are that the technical solution uses the injection flow channel of the upper mold body to guide the injection material, and then uses the cooling and lifting separation operation of the lower mold body to separate the injection flow path, the cooling operation and the lifting separation operation; thereby ensuring the stability of the injection operation and improving the cooling and separation speed of the molded product; thus improving the injection molding efficiency. Attached Figure Description

[0013] The following will refer to the appendix. Figures 1-5 This section describes the features, advantages, and technical effects of exemplary embodiments of the present invention.

[0014] Figure 1 This is a schematic diagram of the structure of an injection mold for producing a lower cover for an automobile steering wheel, according to an embodiment of the present invention. Figure 2 This is a schematic diagram of the upper mold body of an injection mold for producing a lower cover for an automobile steering wheel according to an embodiment of the present invention. Figure 3 This is a schematic diagram of the lower mold body of an injection mold for producing a lower cover for an automobile steering wheel according to an embodiment of the present invention. Figure 4 This is a schematic diagram of the molding support module in the lower mold body of an injection mold for producing a lower cover of an automobile steering wheel according to an embodiment of the present invention. Figure 5 This is a schematic diagram of the lower mold body of an injection mold for producing a lower cover for an automobile steering wheel, according to an embodiment of the present invention.

[0015] In the diagram: 100 - Upper mold body; 101 - Injection flow channel; 110 - First connecting module; 120 - Molding limiting module; 103 - Lifting connecting shaft; 102 - Injection flow pipe; 104 - Main flow channel; 105 - Branch flow channel; 200 - Lower mold body; 210 - Molding support module; 220 - Second connecting module; 230 - Bottom support module; 231 - Support base plate; 232 - Support side plate; 233 - Buffer spring; 234 - Assembly gap; 3 - Injection molding cavity; 400 - Liquid cooling mechanism; 410 - Input pipe; 420 - Flow curved pipe; 430 - Output pipe; 500 - Lifting separation mechanism; 510 - Lifting cylinder; 520 - Lifting bracket; 521 - Lifting vertical rod; 522 - Horizontal connecting plate; 523 - Lifting sealing block. Detailed Implementation

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is intended to particularly describe embodiments and not to limit the scope of this application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0017] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments, "multiple" refers to two or more, unless otherwise specifically defined.

[0018] The term 'embodiment' means that a particular feature, structure, or characteristic described exists in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0019] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or multiple situations existing alone. In addition, the character " / " in this document generally indicates that the related objects before and after are in an "or" relationship.

[0020] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can also refer to a mechanical connection or an electrical connection. They can be directly connected or indirectly connected through an intermediate medium, manifesting as internal communication between two components or an interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0021] The following is in conjunction with the appendix Figures 1-5 The present invention will be described in further detail, but this is not intended to limit the scope of the present invention.

[0022] like Figure 1 As shown in one embodiment of this utility model, the injection mold for producing the lower cover of an automobile steering wheel includes an upper mold body 100 and a lower mold body 200 arranged side by side; the lower mold body 200 includes a molding support module 210, a second connecting module 220, a liquid cooling mechanism 400, a lifting and separating mechanism 500, and a bottom support module 230; the upper mold body 100 is provided with an injection guiding channel 101; the second connecting module 220 is connected to the upper surface of the bottom support module 230; the molding support module 210 is connected to the second connecting module 230. The top of block 220; and an injection molding cavity 3 is provided between the upper mold body 100 and the molding support module 210; the liquid cooling mechanism 400 is connected to the second connecting module 220, and the cooling end of the liquid cooling mechanism 400 is connected to the molding support module 210; the mounting end of the lifting and separating mechanism 500 is connected to the bottom support module 230; the lifting end of the lifting and separating mechanism 500 passes through the molding support module 210 and the second connecting module 220, and extends into the injection molding cavity 3.

[0023] The technical solution of this utility model uses the injection flow channel of the upper mold body to guide the injection material, and then uses the cooling and lifting separation operation of the lower mold body to separate the injection flow path, the cooling operation and the lifting separation operation. This ensures the stability of the injection operation and can also improve the cooling and separation speed of the molded product, thus improving the injection molding efficiency.

[0024] Specifically, in some implementations, such as Figure 1 As shown, the upper mold body 100 includes a first connecting module 110 and a molding limiting module 120; the molding limiting module 120 is connected to the bottom of the first connecting module 110; the molding limiting module 120 and the molding support module 210 form the injection molding cavity 3; the first connecting module 110 is provided with an injection guiding pipe 102; the injection guiding pipe 102 is connected to the injection guiding channel 101. In some embodiments, such as... Figure 1 and 2 As shown, the injection molding guide channel 101 includes a main flow channel 104 and at least one branch flow channel 105; one end of the main flow channel 104 is connected to the injection molding guide pipe 102; one end of each branch flow channel 105 is connected to the other end of the main flow channel 104; the other end of each branch flow channel 105 is connected to the injection molding cavity 3. Of course, the position and orientation of the injection molding guide channel 101 are set according to actual conditions and conventional techniques in the art; the position and orientation of the main flow channel 104 and the branch flow channel 105 are set according to actual conditions, the injection molding guide channel 101, and conventional techniques in the art.

[0025] Specifically, in some implementations, such as Figure 1 and 2 As shown, the first connecting module 110 has a lifting connecting shaft 102 on its top surface away from the injection molding cavity 3; the lifting connecting shaft 102 is used to connect with the lifting cylinder to improve the smoothness and stability of the lifting drive.

[0026] Specifically, in some implementations, such as Figure 1 and 3As shown in Figure 4, the liquid cooling mechanism 400 includes an input pipe 410, a flow curved pipe 420, and an output pipe 430; the flow curved pipe 420 is connected to the second connecting module 220 and is disposed below the injection molding cavity 3; the input pipe 410 is connected to the side end of the molding support module 210 and is connected to one end of the flow curved pipe 420; the output pipe 430 is connected to the side end of the molding support module 210 and is connected to the other end of the flow curved pipe 420; and both the input pipe 410 and the output pipe 430 are used to communicate with the refrigeration generating mechanism. In some embodiments, the refrigeration generating mechanism (not shown in the figure) includes a refrigeration device, a first liquid pump, a second liquid pump, and a container; the input end of the first liquid pump is connected to the interior of the container; the output end of the first liquid pump is connected to the input end of the refrigeration device; the output end of the refrigeration device is connected to the input end of the second liquid pump; the output end of the second liquid pump is connected to the input pipe 410; and the output pipe 430 is connected to the interior of the container. Further, the refrigeration device is selected from refrigerators of model 707022 or qita200. The first and second liquid pumps are selected from NL-type pumps or DG-type pumps. In some embodiments, such as... Figure 4 As shown, the flow curved tube 420 is a serpentine spiral pipe, which helps to increase the coverage area of ​​cooling heat exchange, thereby improving the cooling efficiency. Furthermore, (not shown in the figure) the second connecting module 220 includes an upper half and a lower half that are detachably connected by screws; a mounting groove is provided between the upper half and the lower half; the flow curved tube 420 is connected to the interior of the mounting groove and abuts against the upper half; and the upper half is located below the injection molding cavity; the lower half is detachably connected to the molding support module 210 by fixing screws.

[0027] Specifically, in some implementations, such as Figure 1 and 3 As shown, the lifting and separating mechanism 500 includes a lifting cylinder 510 and a lifting bracket 520; the lifting cylinder 510 is connected to the bottom support module 230 and to one end of the lifting bracket 520; the other end of the lifting bracket 520 passes through the molding support module 210 and the second connecting module 220, and extends to the injection molding cavity 3. In some embodiments, such as... Figure 3 and 5As shown, the lifting bracket 520 includes a lifting vertical rod 521, a horizontal connecting plate 522, and a lifting sealing block 523; the horizontal connecting plate 522 is disposed between the bottom support module 230 and the second connecting module 220, and is connected to the movable end of the lifting vertical rod 521; and a lifting gap is provided between the horizontal connecting plate 522 and the second connecting module 220 (to control the lifting height); the lifting vertical rod 521 is connected to the bottom support module 230; the number of lifting vertical rods 521 is at least one; and one end of each lifting vertical rod 521 is connected to the upper surface of the horizontal connecting plate 522; the other end of each lifting vertical rod 521 passes through the forming support module 210 and the second connecting module 220, and is connected to the lifting sealing block 523; the lifting sealing block 523 is sealed to the inner wall of the second connecting module 220. Furthermore, the outer wall of the lifting sealing block 523 is closely attached to the inner wall of the limiting groove connected to the second connecting module 220.

[0028] Specifically, in some implementations, such as Figure 3 and 5 As shown, the bottom support module 230 includes a support base plate 231, a support side plate 232, and a buffer spring 233. The support side plate 232 is connected to the upper surface of the support base plate 231. An assembly gap 234 is provided between the support side plate 232 and the molding support module 210. One end of the buffer spring 233 is connected to the molding support module 210, and the other end of the buffer spring 233 passes through the support side plate 232 and is connected to the support base plate 231. In some embodiments, the support side plate 232 is selected as a support side plate with a rectangular cross-section. This structure reduces the impact stress between the support base plate 231 and the support side plate 232 when pressed downwards through the buffering effect of the buffer spring 233, thereby ensuring stability in use and ensuring the stability and smoothness of injection molding.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0030] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments described above, and any obvious improvements, substitutions, or modifications made by those skilled in the art based on this utility model are within the protection scope of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. An injection mold for producing a lower cover for an automobile steering wheel, characterized in that: The system includes an upper mold body and a lower mold body arranged side by side. The lower mold body includes a molding support module, a second connecting module, a liquid cooling mechanism, a lifting and separating mechanism, and a bottom support module. The upper mold body has an injection molding guide channel. The second connecting module is connected to the upper surface of the bottom support module. The molding support module is connected to the top of the second connecting module. An injection molding cavity is provided between the upper mold body and the molding support module. The liquid cooling mechanism is connected to the second connecting module, and the cooling end of the liquid cooling mechanism is connected to the molding support module. The mounting end of the lifting and separating mechanism is connected to the bottom support module. The lifting end of the lifting and separating mechanism passes through the molding support module and the second connecting module and extends into the injection molding cavity.

2. The injection mold for producing the lower cover of an automobile steering wheel according to claim 1, characterized in that: The upper mold body includes a first connecting module and a molding limiting module; the molding limiting module is connected to the bottom of the first connecting module; the molding limiting module and the molding support module form the injection molding cavity; the first connecting module is provided with an injection guide pipe; the injection guide pipe is connected to the injection guide channel.

3. The injection mold for producing the lower cover of an automobile steering wheel according to claim 2, characterized in that: The first connecting module has a lifting connecting shaft on its top surface away from the injection molding cavity; the lifting connecting shaft is used to connect with the lifting cylinder.

4. The injection mold for producing the lower cover of an automobile steering wheel according to claim 1, characterized in that: The liquid cooling mechanism includes an input pipe, a flow curved pipe, and an output pipe; the flow curved pipe is connected to the second connecting module and is located below the injection molding cavity; the input pipe is connected to the side end of the molding support module and is connected to one end of the flow curved pipe; the output pipe is connected to the side end of the molding support module and is connected to the other end of the flow curved pipe; and both the input pipe and the output pipe are used to connect to the refrigeration generating mechanism.

5. The injection mold for producing the lower cover of an automobile steering wheel according to claim 1, characterized in that: The lifting and separating mechanism includes a lifting cylinder and a lifting bracket; the lifting cylinder is connected to the bottom support module and to one end of the lifting bracket; the other end of the lifting bracket passes through the molding support module and the second connecting module and extends to the injection molding cavity.

6. The injection mold for producing the lower cover of an automobile steering wheel according to claim 5, characterized in that: The lifting support includes a lifting vertical rod, a horizontal connecting plate, and a lifting sealing block; the horizontal connecting plate is disposed between the bottom support module and the second connecting module, and is connected to the movable end of the lifting vertical rod; a lifting gap is provided between the horizontal connecting plate and the second connecting module; the lifting vertical rod is connected to the bottom support module; there is at least one lifting vertical rod; one end of each lifting vertical rod is connected to the upper surface of the horizontal connecting plate; the other end of each lifting vertical rod passes through the forming support module and the second connecting module, and is connected to the lifting sealing block; the lifting sealing block is sealed to the inner wall of the second connecting module.

7. The injection mold for producing the lower cover of an automobile steering wheel according to claim 1, characterized in that: The bottom support module includes a support base plate, a support side plate, and a buffer spring; the support side plate is connected to the upper surface of the support base plate; an assembly gap is provided between the support side plate and the forming support module; one end of the buffer spring is connected to the forming support module; the other end of the buffer spring passes through the support side plate and is connected to the support base plate.

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