Glue injection structure for simultaneous injection molding of multiple silica gel products
By adopting the injection structure when injection molding multiple silicone products, the problem of connection and appearance of products after injection molding in the prior art is solved, and the individual injection molding and appearance of each silicone product are achieved.
Patent Information
- Application Number
- CN202421522306.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-29
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-29
AI Technical Summary
The prior art When multiple silicone products are injection molded simultaneously, complex injection mechanisms and vias are required to increase, resulting in increased costs and unsightly product appearance.
An injection structure is adopted, including a plurality of injection cylinders and overflow cylinders, through which glue is injected into the cavity of each silicone product separately and the excess glue is overflowed into the non-connected overflow cylinders, thereby avoiding connections between products.
The individual injection molding of multiple silicone products is achieved, avoiding connections between products, simplifying the injection process, increasing the strength of the product and improving the appearance aesthetics.
Smart Images
Figure CN222768902U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of injection molding of silicone products, in particular to a glue injection structure for simultaneously injection molding a plurality of silicone products. Background Art
[0002] The injection molding of a single silicone product is very simple, just inject glue into the mold. However, for multiple (more than two) silicone products, they need to be injection molded in a set of molds, and the multiple silicone products must not be connected to each other, and there is no need for obvious entry points in the appearance of the molded products. The usual practice in the prior art is to connect multiple silicone products in series for injection molding, but this practice requires the addition of corresponding process vias when molding a single shot product, and the structure of the single shot mechanism is complex, which increases the single shot cost to a certain extent. Summary of the invention
[0003] The utility model aims to solve the shortcomings in the prior art and proposes a glue injection structure for simultaneously injection molding a plurality of silicone products.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a glue injection structure when multiple silicone products are injection molded at the same time, the multiple silicone products include a first silicone product and a second silicone product, the glue injection structure includes a first glue injection cylinder, a first glue overflow cylinder, and a second glue overflow cylinder, the first glue injection cylinder has a first glue injection port and a second glue injection port, the first glue overflow cylinder has a first glue overflow port, the second glue overflow cylinder has a second glue overflow port, the first silicone product and the second silicone product have an internal hollow cavity; the first glue injection port is connected to the second silicone product, the second glue overflow port is connected to the second silicone product, the first glue overflow port is connected to the first silicone product, and the second glue injection port is connected to the first silicone product; the glue in the first glue injection cylinder enters the cavity of the first silicone product and the second silicone product respectively through the first glue injection port and the second glue injection port, the excess glue in the first silicone product overflows into the first glue overflow cylinder, and the excess glue in the second silicone product overflows into the second glue overflow cylinder; and the first glue overflow cylinder and the second glue overflow cylinder are not connected.
[0005] Furthermore, the second silicone product has an annular structure, the second silicone product has an inner wall and an outer wall, and the first injection port intersects with the inner wall of the second silicone product, so that the first injection port is connected to the cavity of the second silicone product on the inner wall of the second silicone product.
[0006] Furthermore, the second glue overflow port intersects with the inner wall of the second silicone product, so that the second glue overflow port is connected with the cavity of the silicone product on the inner wall of the second silicone product.
[0007] Furthermore, the multiple silicone products also include a third silicone product, and the glue injection structure also includes a second glue injection cylinder and a third glue overflow cylinder, the second glue injection cylinder has a second glue injection port, the third glue overflow cylinder has a third glue overflow port, and the third silicone product has an internal hollow cavity, and the second glue injection port and the third glue overflow port are both connected to the cavity of the third silicone product.
[0008] Furthermore, the third overflow glue cylinder is not connected to the first overflow glue cylinder or the second overflow glue cylinder, so that the first silicone product, the second silicone product, and the third silicone product formed by injection molding are separate individuals and are not connected to each other.
[0009] Furthermore, the third silicone product has an annular structure, the second injection port intersects with the outer wall or inner wall of the third silicone product, and the second injection port is connected to the outer wall or inner wall of the third silicone product, so that the second injection port and the cavity of the third silicone product are connected.
[0010] Furthermore, the third silicone product has an annular structure, the third glue overflow port intersects with the outer wall or inner wall of the third silicone product, and the third glue overflow port is connected to the outer wall or inner wall of the third silicone product, so that the third glue overflow port and the cavity of the third silicone product are connected.
[0011] The beneficial effects of the present application are as follows: the injection structure provided by the present application for simultaneous injection molding of the multiple silicone products enables each of the multiple silicone products to be injected and injection molded separately, and the multiple silicone products after injection molding are not connected to each other; compared with the prior art, the injection structure provided by the present application does not need to be changed when a product is injected, thereby increasing the strength of the silicone product produced at a time, and each of the multiple silicone products is molded independently without interfering with each other. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The utility model provides a structural schematic diagram of a glue injection structure when multiple silicone products are injection molded simultaneously.
[0013] Figure 2 Another structural schematic diagram of a glue injection structure when multiple silicone products are simultaneously injection molded provided by the utility model. DETAILED DESCRIPTION
[0014] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.
[0015] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.
[0016] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).
[0017] Please refer to Figure 1-2The present application provides a glue injection structure (hereinafter referred to as the glue injection structure) for simultaneously injection molding a plurality of silicone products. The plurality of silicone products include a first silicone product 2 and a second silicone product 3. The glue injection structure includes a first glue injection cylinder 6, a first glue overflow cylinder 7, and a second glue overflow cylinder 8. The first glue injection cylinder 6 has a first glue injection port 61 and a second glue injection port 62. The first glue overflow cylinder 7 has a first glue overflow port 71. The second glue overflow cylinder 8 has a second glue overflow port 81. The first silicone product 2 and the second silicone product 3 have an internal hollow cavity. The first glue injection port 61 is connected to the second silicone product 3. The second glue overflow port 81 is connected to the second silicone product 3, the first glue overflow port 71 is connected to the first silicone product, and the second glue injection port 62 is connected to the first silicone product 2; the glue in the first glue injection cylinder 6 enters the cavities of the first silicone product 2 and the second silicone product 3 through the first glue injection port 61 and the second glue injection port 62 respectively, and the excess glue in the first silicone product 2 overflows into the first glue overflow cylinder 7, and the excess glue in the second silicone product 3 overflows into the second glue overflow cylinder 8; and the first glue overflow cylinder 7 and the second glue overflow cylinder 8 are not connected. In this way, the first silicone product 2 and the second silicone product 3 are injected separately, and the glue overflowed from the first silicone product 2 and the glue overflowed from the second silicone product 3 are not connected, so that the first silicone product 2 and the second silicone product 3 are injection molded into a single first silicone product 2 and a single second silicone product 3, and the first silicone product 2 and the second silicone product 3 are not connected, and there is no need to set a process via between the first silicone product 2 and the second silicone product 3, so that the appearance of the first silicone product 2 and the second silicone product 3 after injection molding is more beautiful.
[0018] In one embodiment of the present application, the second silicone product 3 has an annular structure, the second silicone product has an inner wall and an outer wall, and the first injection port 61 intersects with the inner wall of the second silicone product, so that the first injection port 61 is connected with the cavity of the second silicone product 3 on the inner wall of the second silicone product 3. The purpose of this design is that the entry point position of the second silicone product 3 is set on its inner wall, so that the second silicone product 3 has no obvious entry point on its outer surface after injection molding, so that the appearance of the second silicone product 3 is more beautiful.
[0019] In one embodiment of the present application, the second glue overflow port 81 intersects with the inner wall of the second silicone product 3, so that the second glue overflow port 81 is connected with the cavity of the silicone product 3 on the inner wall of the second silicone product 3. In this way, after injection molding, the glue outlet position will be located on the inner wall of the second silicone product 3, so that the outer surface of the second silicone product 3 is more beautiful.
[0020] In one embodiment of the present application, the plurality of silicone products further include a third silicone product 4, the glue injection structure further includes a second glue injection cylinder 5 and a third glue overflow cylinder 9, the second glue injection cylinder 5 has a second glue injection port 51, the third glue overflow cylinder 9 has a third glue overflow port 91, the third silicone product 4 has an internal hollow cavity, the second glue injection port 51 and the third glue overflow port 91 are both connected to the cavity of the third silicone product 4. In this way, the glue in the second glue injection cylinder 5 is injected into the cavity of the third silicone product 4 through the second glue injection port 51, and the excess glue will overflow from the third glue overflow port 91 to the third glue overflow cylinder 9.
[0021] In one embodiment of the present application, the third overflow glue tube 9 is not connected to the first overflow glue tube 7 or the second overflow glue tube 8, so that the first silicone product 2, the second silicone product 3, and the third silicone product 4 formed by injection molding are separate individuals and are not connected to each other.
[0022] In one embodiment of the present application, the third silicone product 4 has an annular structure, the second glue injection port 51 intersects with the outer wall or inner wall of the third silicone product 4, and the second glue injection port 51 is connected to the outer wall or inner wall of the third silicone product 4, so that the second glue injection port 51 and the cavity of the third silicone product 4 are connected.
[0023] In one embodiment of the present application, the third silicone product 4 has an annular structure, the third glue overflow port 91 intersects with the outer wall or inner wall of the third silicone product 4, and the third glue overflow port 91 is connected to the outer wall or inner wall of the third silicone product 4, so that the third glue overflow port 91 and the cavity of the third silicone product 4 are connected.
[0024] Before the first silicone product 2, the second silicone product 3 and the third silicone product 4 are injection molded, they are first installed on the plastic part 1, and then glue is injected into the three silicone products through the injection structure. After injection molding, the three silicone products are installed on the plastic part 1, thereby completing the production of the entire product in the injection molding process.
[0025] The glue injection structure provided in the present application for simultaneous injection molding of the multiple silicone products enables each of the multiple silicone products to be injected and injection molded separately, and the multiple silicone products after injection molding are not connected to each other; compared with the prior art, the glue injection structure provided in the present application does not need to be changed when a product is injected, thereby increasing the strength of the silicone product produced at a time, and each of the multiple silicone products is molded independently without interfering with each other.
[0026] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. A glue injection structure for simultaneously injection molding multiple silicone products, characterized in that: The plurality of silicone products include a first silicone product and a second silicone product, the glue injection structure includes a first glue injection cylinder, a first glue overflow cylinder, and a second glue overflow cylinder, the first glue injection cylinder has a first glue injection port and a second glue injection port, the first glue overflow cylinder has a first glue overflow port, the second glue overflow cylinder has a second glue overflow port, and the first silicone product and the second silicone product have internal hollow cavities; The first glue injection port is connected to the second silicone product, the second glue overflow port is connected to the second silicone product, the first glue overflow port is connected to the first silicone product, and the second glue injection port is connected to the first silicone product; the glue in the first glue injection cylinder enters the cavities of the first silicone product and the second silicone product respectively through the first glue injection port and the second glue injection port, the excess glue in the first silicone product overflows into the first glue overflow cylinder, and the excess glue in the second silicone product overflows into the second glue overflow cylinder; and the first glue overflow cylinder and the second glue overflow cylinder are not connected.
2. The glue injection structure for simultaneously injection molding a plurality of silicone products according to claim 1, characterized in that: The second silicone product has an annular structure, the second silicone product has an inner wall and an outer wall, the first injection port and the inner wall of the second silicone product intersect, so that the first injection port is connected to the cavity of the second silicone product on the inner wall of the second silicone product.
3. The glue injection structure for simultaneously injection molding a plurality of silicone products according to claim 2, characterized in that: The second glue overflow port intersects with the inner wall of the second silicone product, so that the second glue overflow port is connected with the cavity of the silicone product on the inner wall of the second silicone product.
4. The glue injection structure for simultaneously injection molding a plurality of silicone products according to claim 3, characterized in that: The multiple silicone products also include a third silicone product, and the glue injection structure also includes a second glue injection cylinder and a third glue overflow cylinder, the second glue injection cylinder has a second glue injection port, the third glue overflow cylinder has a third glue overflow port, the third silicone product has an internal hollow cavity, and the second glue injection port and the third glue overflow port are both connected to the cavity of the third silicone product.
5. The glue injection structure for simultaneously injection molding a plurality of silicone products according to claim 4, characterized in that: The third overflow glue cylinder is not connected to the first overflow glue cylinder or the second overflow glue cylinder, so that the first silicone product, the second silicone product and the third silicone product formed by injection molding are separate individuals and are not connected to each other.
6. The glue injection structure for simultaneously injection molding a plurality of silicone products according to claim 5, characterized in that: The third silicone product has an annular structure, the second injection port intersects with the outer wall or inner wall of the third silicone product, and the second injection port is connected to the outer wall or inner wall of the third silicone product, so that the second injection port and the cavity of the third silicone product are connected.
7. The glue injection structure for simultaneously injection molding a plurality of silicone products according to claim 5, characterized in that: The third silicone product has an annular structure, the third glue overflow port intersects with the outer wall or inner wall of the third silicone product, and the third glue overflow port is connected to the outer wall or inner wall of the third silicone product, so that the third glue overflow port is connected to the cavity of the third silicone product.