Die insert structure capable of rapidly changing styles of products
By designing movable ejector pins in the mold insert structure, the problem of slow replacement speed caused by replacing ejector pins in the prior art is solved, and rapid replacement of mold inserts is realized.
Patent Information
- Application Number
- CN202423311186.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing mold requires the ejector pin to be replaced at the same time when changing inserts, which results in a slow changeover speed and cannot meet the needs of rapid product changeover.
Design a mold insert structure in which some ejector pins are movably connected to the rear mold core, and other ejector pins are movably connected to the rear mold insert, so that the ejector pins do not need to be replaced when changing the insert.
It improves the speed of mold insert replacement, meeting the needs of rapid product changes.
Smart Images

Figure CN223618132U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection mold technology, specifically to a mold insert structure for rapid product changeover. Background Technology
[0002] Currently, with the development of various industries, the types of goods are increasing to meet consumer demand. The style of each component that makes up a product affects its type. This necessitates adjusting the production volume of various components based on actual sales volume, resulting in the need to develop multiple injection molds for each component. To reduce project development costs, decrease the number of injection molds, and meet different production requirements, injection molds are often designed and developed using inserts. However, existing molds (such as mold core components)... Figure 1 (As shown) Due to the different product sizes, the ejector pin used to eject the product also needs to be replaced when changing the insert, which reduces the speed of insert replacement. Utility Model Content
[0003] To solve the above-mentioned technical problems, this utility model provides a mold insert structure for rapid product changeover.
[0004] To achieve the above objectives, this utility model provides a mold insert structure for rapid product changeover. The mold includes a front mold base, a rear mold base, and a mold core assembly. The mold core assembly includes a front mold core and a rear mold core located inside the front mold base and the rear mold base, respectively. The mold insert structure includes a plurality of front mold inserts and rear mold inserts. The front mold insert is detachably connected to one side of the front mold core, and the rear mold insert is detachably connected to one side of the rear mold core. Both the front mold core and the rear mold core have injection cavities for product molding. The surface of the rear mold core has a plurality of first through holes, and a first ejector pin that ejects the molded product is slidably sleeved in the first through holes. The surface of the rear mold insert has a plurality of second through holes, and a second ejector pin is slidably sleeved in the second through holes.
[0005] Preferably, the front mold core and the rear mold core are located on opposite sides of the front mold frame and the rear mold frame and are arranged opposite to each other.
[0006] Preferably, the front mold insert and the rear mold insert are located on opposite sides of the front mold frame and the rear mold frame and are arranged opposite to each other.
[0007] Preferably, the front mold frame is equipped with a number of guide pillars, and the rear mold frame is provided with a number of guide holes corresponding to the guide pillars.
[0008] Preferably, the interior of the front mold core is provided with a glue inlet channel communicating with the injection cavity, and the surface of the front mold frame is provided with an injection port communicating with the glue inlet channel.
[0009] Preferably, the surfaces of the front mold core and the rear mold core are provided with a plurality of evenly distributed water inlets.
[0010] Compared with the prior art, the beneficial effects of this utility model are: this utility model uses a first ejector pin and a second ejector pin, wherein the first ejector pin is movably connected to the rear mold core and used for ejecting the product, while the second ejector pin is movably connected to the rear mold insert, so that a portion of the ejector pins are designed outside the product forming mold core, so that the replacement of the insert can be completed without replacing the ejector pins, greatly improving the speed of insert replacement. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0012] Figure 1 This is an exploded view of the core assembly of an existing mold.
[0013] Figure 2 This is a schematic diagram of the overall structure of the mold according to an embodiment of the present utility model.
[0014] Figure 3 This is an exploded view of the mold according to an embodiment of the present invention.
[0015] Figure 4 This is a perspective view of the mold core assembly according to an embodiment of the present utility model.
[0016] Figure 5 This is an exploded view of the core assembly of an embodiment of the present invention.
[0017] In the diagram: front mold insert 1, rear mold insert 2, front mold base 3, rear mold base 4, front mold core 5, rear mold core 6, first ejector pin 7, second ejector pin 8, guide pin 9, guide hole 10, injection port 11, product 12, sprue 13. Detailed Implementation
[0018] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.
[0019] In the description of the embodiments of this utility model, it should be understood that if the embodiments of this utility model involve directional indications, such as up, down, left, right, front, back, inside, outside, etc., the orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the embodiments of this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.
[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0021] In this embodiment of the invention, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part of a structure. They can be mechanical or electrical connections. They can be direct connections or indirect connections through an intermediate medium, and can represent the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention based on the specific circumstances.
[0022] like Figure 2-5 As shown, the embodiment provides a mold insert structure for quick product changeover. The mold includes a front mold base 3, a rear mold base 4, and a mold core assembly. The mold core assembly includes a front mold core 5 and a rear mold core 6 located inside the front mold base 3 and the rear mold base 4, respectively. The mold insert structure includes several front mold inserts 1 and rear mold inserts 2. The front mold insert 1 is detachably connected to one side of the front mold core 5, and the rear mold insert 2 is detachably connected to one side of the rear mold core 6. Both the front mold core 5 and the rear mold core 6 have injection cavities for molding the product 12. The surface of the rear mold core 6 has several first through holes, and a first ejector pin 7 that ejects the molded product 12 is slidably sleeved in the first through holes. The surface of the rear mold insert 2 has several second through holes, and a second ejector pin 8 is slidably sleeved in the second through holes.
[0023] In this embodiment, as Figure 3 As shown, the front mold core 5 and the rear mold core 6 are located on opposite sides of the front mold frame 3 and the rear mold frame 4 and are arranged opposite each other.
[0024] Specifically, the front mold core 5 and the rear mold core 6 are locked by the mold closing of the front mold base 3 and the rear mold base 4, and the product 12 is formed inside the injection cavity of the front mold core 5 and the rear mold core 6.
[0025] In this embodiment, as Figure 3 As shown, the front mold insert 1 and the rear mold insert 2 are located on opposite sides of the front mold frame 3 and the rear mold frame 4 and are arranged opposite each other.
[0026] Specifically, the front mold insert 1 and the rear mold insert 2 are locked by the mold closing mechanism of the front mold frame 3 and the rear mold frame 4.
[0027] In this embodiment, as Figure 3 As shown, the front mold frame 3 is equipped with several guide pillars 9, and the rear mold frame 4 is provided with several guide holes 10 corresponding to the guide pillars 9.
[0028] In this embodiment, as Figure 2 and Figure 3 As shown, the front mold core 5 has a sprue channel inside that communicates with the injection cavity, and the front mold base 3 has an injection port 11 on its surface that communicates with the sprue channel.
[0029] Specifically, the rubber material passes through the injection port 11 and the inlet channel to reach the injection cavity for molding.
[0030] In this embodiment, the surfaces of the front mold core 5 and the rear mold core 6 are provided with a plurality of evenly distributed water inlets 13.
[0031] Specifically, the cooling water is circulated through the inlet 13 to rapidly cool and solidify the product 12 within the injection molding cavity.
[0032] The working principle of this utility model is as follows: Two sets of ejector pins are movably connected to the rear mold core 6 and the rear mold insert 2 which is detachably connected to the rear mold core 6, so that some of the ejector pins are designed outside the forming mold core of the product 12, so that the replacement of the insert can be completed without replacing the ejector pins, which greatly improves the speed of insert replacement.
[0033] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A mold insert structure for rapid product changeover, the mold comprising a front mold base (3), a rear mold base (4), and a mold core assembly, the mold core assembly comprising a front mold core (5) and a rear mold core (6) respectively located inside the front mold base (3) and the rear mold base (4), characterized in that, The mold insert structure includes several front mold inserts (1) and rear mold inserts (2). The front mold inserts (1) are detachably connected to one side of the front mold core (5), and the rear mold inserts (2) are detachably connected to one side of the rear mold core (6). The front mold core (5) and the rear mold core (6) are both provided with injection cavities for molding the product (12). The surface of the rear mold core (6) is provided with several first through holes. A first ejector pin (7) for ejecting the molded product (12) is slidably sleeved in the first through holes. The surface of the rear mold inserts (2) is provided with several second through holes. A second ejector pin (8) is slidably sleeved in the second through holes.
2. The mold insert structure for rapid product changeover according to claim 1, characterized in that, The front mold core (5) and the rear mold core (6) are located on opposite sides of the front mold frame (3) and the rear mold frame (4) and are arranged opposite to each other.
3. The mold insert structure for rapid product changeover according to claim 1, characterized in that, The front mold insert (1) and the rear mold insert (2) are located on opposite sides of the front mold frame (3) and the rear mold frame (4) and are arranged opposite to each other.
4. The mold insert structure for rapid product changeover according to claim 1, characterized in that, The front mold frame (3) is equipped with several guide posts (9), and the rear mold frame (4) is provided with several guide holes (10) corresponding to the guide posts (9).
5. The mold insert structure for rapid product changeover according to claim 1, characterized in that, The front mold core (5) has an internal flow channel that communicates with the injection cavity, and the surface of the front mold frame (3) has an injection port (11) that communicates with the flow channel.
6. The mold insert structure for rapid product changeover according to claim 1, characterized in that, The surfaces of the front mold core (5) and the rear mold core (6) are provided with a number of evenly distributed water inlets (13).