Rubber coating mold structure of H + L injection molding scheme

Abstract

The utility model provides a rubber coating mold structure of an H + L injection molding scheme. The rubber coating mold structure comprises an upper fixing plate, a runner plate, a fixed mold plate, a fixed mold core, a movable mold core, a movable mold plate, an ejector plate and a lower fixing plate which are arranged from top to bottom, the fixed mold core comprises a first protruding block and a second protruding block, the movable mold core comprises a first forming groove and a second forming groove, the first forming groove covers the first protruding block to form a first forming cavity, the second forming groove covers the second protruding block to form a second forming cavity, an annular push plate is arranged on the periphery of the first protruding block, and an ejector rod is installed at the bottom of the annular push plate. A plurality of ejector pins are arranged in the second protruding block, and the ejector rods and the ejector pins penetrate through the movable mold plate in a sliding mode to be fixed to the ejector plate. According to the utility model, the main body part of the basin is formed through glue injection of the first cavity, and then the basin is picked and moved to the second cavity through the manipulator to complete injection molding of a washer at the bottom of the basin, so that two-process forming of the basin is completed by one set of mold, the production cost is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of molds, and in particular to a rubber-encapsulated mold structure of an H+L injection molding solution. Background Art

[0002] like Figure 1-2 The basin shown in the figure is made of transparent ASN injection molding for the main part, and a TPE gasket is injection-molded around the bottom of the basin. Usually, two sets of molds need to be designed for injection molding a basin, one set for injection molding the main part of the basin, and the other set for molding the gasket at the bottom of the basin. The development, design and production of multiple sets of molds are difficult and expensive, resulting in high production costs and increasing the complexity of the production cycle and the injection molding process. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a H+L injection molding solution encapsulation mold structure, aiming to improve the above-mentioned existing technical problems.

[0004] The utility model is implemented as follows: a H+L injection molding scheme of the rubber-encapsulated mold structure, including an upper fixed plate, a runner plate, a fixed mold plate, a fixed mold core, a movable mold core, a movable mold plate, an ejector plate, and a lower fixed plate arranged from top to bottom; the movable mold core includes a first convex block and a second convex block, the fixed mold core includes a first fixed mold core and a second fixed mold core, the first fixed mold core is provided with a first molding groove, the second fixed mold core is provided with a second molding groove, the first molding groove covers the first convex block to form a first molding cavity, the second molding groove covers the second convex block to form a second molding cavity, an annular push plate is arranged around the first convex block, an ejector rod is installed at the bottom of the annular push plate, a plurality of ejectors are arranged in the second convex block, and the ejector rod and the ejector pin can slidably pass through the movable mold plate and be fixed on the ejector plate.

[0005] Furthermore, a first flow channel is arranged above the first cavity, and a plurality of second flow channels are arranged above the second cavity.

[0006] Furthermore, a first glue inlet is arranged on the upper fixed plate, and the first glue inlet is connected to the first flow channel; a second glue inlet is arranged on the side of the flow channel plate, and the second glue inlet is connected to the second flow channel.

[0007] Furthermore, a nylon rubber block is further arranged on the upper end of the ejector pin.

[0008] Furthermore, a plurality of balancing blocks are arranged at the bottom of the fixed template.

[0009] Furthermore, the second fixed mold core is provided with support columns around the second molding groove.

[0010] The beneficial effects of the utility model are:

[0011] The utility model has a simple structure and a reasonable and ingenious design for a H+L injection molding scheme, and includes an upper fixed plate, a runner plate, a fixed mold plate, a fixed mold core, a movable mold core, a movable mold plate, an ejector plate, and a lower fixed plate arranged from top to bottom; the movable mold core includes a first convex block and a second convex block, the fixed mold core includes a first fixed mold core and a second fixed mold core, the first fixed mold core has a first molding groove, the second fixed mold core has a second molding groove, the first molding groove covers the first convex block to form a first molded cavity, the second molding groove covers the second convex block to form a second molded cavity, an annular push plate is arranged around the first convex block, an ejector rod is installed at the bottom of the annular push plate, a plurality of ejectors are arranged in the second convex block, and the ejector rod and the ejector rod can be slidably passed through the movable mold plate and fixed on the ejector plate. The utility model firstly injects the main part of the basin into the first mold cavity, and then picks up and moves the basin to the second mold cavity by a manipulator to complete the injection molding of the gasket at the bottom of the basin, so as to realize two process molding of the basin with one set of molds, save production costs and improve production efficiency at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 Schematic diagram of the basin structure;

[0014] Figure 2 Schematic diagram of the basin bottom structure;

[0015] Figure 3 A schematic diagram of the structure of the overmolding mold of the H+L injection molding solution described in the utility model;

[0016] Figure 4 A schematic diagram of the fixed template structure of the H+L injection molding solution of the utility model;

[0017] Figure 5 A schematic structural diagram of the movable platen of the overmolding mold structure of the H+L injection molding solution described in the utility model;

[0018] Figure 6 A schematic diagram of the ejector pin and ejector pin structure of the H+L injection molding solution of the utility model;

[0019] Figure 7 A schematic diagram of the ejector pin structure of the H+L injection molding solution of the utility model;

[0020] Figure 8A schematic structural diagram of the first and second glue inlets of the overmolding mold structure of the H+L injection molding solution described in the present invention.

[0021] Reference numerals:

[0022] 10. upper fixing plate; 101. first glue inlet; 1011. first flow channel;

[0023] 20. runner plate; 201. second glue inlet; 2011. second runner;

[0024] 30, fixed mold plate; 301, first fixed mold core; 3011, first molding groove; 302, second fixed mold core; 3021, second molding groove; 3022, support column; 303, balance block;

[0025] 40, movable template; 401, first protrusion; 402, second protrusion; 403, annular push plate;

[0026] 50, ejector plate; 501, ejector rod; 502, ejector pin; 5021, nylon rubber block;

[0027] 60, lower fixing plate;

[0028] 70. Basin; 701. Washer. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] Please refer to Figure 3-8 The utility model provides a H+L injection molding scheme of the overmolding mold structure, including an upper fixed plate 10, a flow channel plate 20, a fixed mold plate 30, a fixed mold core, a movable mold core, a movable mold plate 40, an ejector plate 50, and a lower fixed plate 60 arranged from top to bottom; the movable mold core includes a first convex block 401 and a second convex block 402, the fixed mold core includes a first fixed mold core 301 and a second fixed mold core 302, the first fixed mold core 301 is provided with a first molding groove 3011, and the second fixed mold core 302 is provided with a second molding groove 3021, the first molding groove 3011 covers the first convex block 401 to form a first molding cavity, the second molding groove 3021 covers the second convex block 402 to form a second molding cavity, the first molding cavity is used to mold the main body of the basin 70, after the main body injection molding is completed, the robot picks up and moves it to the second molding cavity to injection mold the gasket 701 at the bottom of the basin 70, so as to realize the molding processing of the basin 70 in two processes in a set of molds, save the mold development cost, and improve the molding efficiency.

[0033] Please refer to Figure 3-8, an annular push plate 403 is arranged around the first protrusion 401, a push rod 501 is installed at the bottom of the annular push plate 403, and a plurality of ejector pins 502 are arranged in the second protrusion 402, and the push rod 501 and the ejector pin 502 can slide through the movable plate 40 and be fixed on the ejector plate 50. Specifically, after the main body of the basin 70 is formed in the first cavity, the mold core is moved upward to realize that the first molding groove 3011 leaves the first protrusion 401, and the basin 70 is buckled on the first protrusion 401, and the ejector plate 50 is controlled to push the push rod 501 upward to push the annular push plate 403 upward to push the main body of the basin 70 to be demoulded from the first protrusion 401, so as to facilitate the picking up of the robot. When the gasket 701 at the bottom of the basin 70 is injection-molded, the main body is inverted on the second protrusion 402, and the ejector plate 50 pushes the ejector 502 upward to push the basin 70 out of the second protrusion 402 to be demoulded. The injection molding of the main body of the basin 70 and the molding of the gasket 701 are completed together and demoulded together, so the production efficiency is high.

[0034] Furthermore, a nylon rubber block 5021 is further provided at the upper end of the ejector pin 502. The nylon rubber block 5021 prevents the bottom of the basin 70 from being damaged when the ejector pin 502 pushes the basin 70, thus playing a protective role.

[0035] Please refer to Figure 3-8 , a first flow channel 1011 is arranged above the first cavity, and a plurality of second flow channels 2011 are arranged above the second cavity. Specifically, a first glue inlet 101 is arranged on the upper fixing plate 10, the first glue inlet 101 is connected to the first flow channel 1011, and the hot melt adhesive of transparent ASN material is injected from the first glue inlet 101, through the first flow channel 1011 to the first cavity to injection mold the main part of the basin 70; a second glue inlet 201 is arranged on the side of the flow channel plate 20, the second glue inlet 201 is connected to the second flow channel 2011, and the hot melt adhesive of TPE material is injected from the second glue inlet 201, through the second flow channel 2011 to the second cavity, and is used to mold the gasket 701 at the bottom of the basin 70. In this embodiment, the second flow channels 2011 include three, which improves the molding efficiency of the gasket 701.

[0036] Please refer to Figure 3-8 A plurality of balancing blocks 303 are arranged at the bottom of the fixed mold plate 30, and the balancing blocks 303 are used to support the fixed mold plate 30 and the movable mold plate 40. The balancing blocks 303 are used to replace a whole plate pad support, which can reduce the weight of the mold and save materials. Furthermore, the second fixed mold core 302 is equipped with support columns 3022 around the second molding groove 3021. The support columns 3022 are used to support the second fixed mold core 302, and play the role of limiting and supporting when closing.

[0037] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A H+L injection molding solution overmolding mold structure, characterized in that: It includes an upper fixed plate, a flow channel plate, a fixed mold plate, a fixed mold core, a movable mold core, a movable mold plate, an ejector plate, and a lower fixed plate arranged from top to bottom; the movable mold core includes a first protrusion and a second protrusion, the fixed mold core includes a first fixed mold core and a second fixed mold core, the first fixed mold core is provided with a first molding groove, the second fixed mold core is provided with a second molding groove, the first molding groove covers the first protrusion to form a first molding cavity, the second molding groove covers the second protrusion to form a second molding cavity, an annular push plate is arranged around the first protrusion, an ejector rod is installed at the bottom of the annular push plate, a plurality of ejectors are arranged in the second protrusion, the ejector rod and the ejector pin can slidably pass through the movable mold plate and be fixed on the ejector plate.

2. The H+L injection molding solution of claim 1, characterized in that: A first flow channel is arranged above the first cavity, and a plurality of second flow channels are arranged above the second cavity.

3. The H+L injection molding solution of claim 2 is characterized in that: A first glue inlet is arranged on the upper fixed plate, and the first glue inlet is connected to the first flow channel; a second glue inlet is arranged on the side of the flow channel plate, and the second glue inlet is connected to the second flow channel.

4. The H+L injection molding solution of claim 1, characterized in that: A nylon rubber block is further arranged on the upper end of the ejector pin.

5. The H+L injection molding solution overmolding mold structure according to claim 1, characterized in that: A plurality of balancing blocks are arranged at the bottom of the fixed template.

6. The H+L injection molding solution overmolding mold structure according to claim 1, characterized in that: The second fixed mold core is provided with support columns around the second molding groove.

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