Multi-station injection mold

By designing a multi-station injection mold and utilizing the cooperation of ejector pins and ejector cylinders, automated demolding is achieved, solving the problem of difficulty in manually removing products in existing technologies and improving demolding and processing efficiency.

CN223671714UActive Publication Date: 2025-12-16DONGGUAN YOUMAI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423271150.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-12-16
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

Existing injection molds require manual removal after product molding, leading to demolding difficulties and reduced processing efficiency.

Method used

A multi-station injection mold was designed, comprising a base, push plate, positioning template, lower mold base, upper mold base, top template, demolding mechanism, ejection mechanism, guiding mechanism, molding mechanism and sprue bushing. Automated demolding is achieved through the cooperation of ejector pins and ejector cylinders.

Benefits of technology

It improves the efficiency of product demolding and processing, and simplifies the product removal process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a multi-station injection mold which comprises a base, a push plate, a positioning mold plate, a lower mold base, an upper mold base, a top mold plate, a demolding mechanism, an ejection mechanism, a guide mechanism, a forming mechanism and a sprue bush. The demolding mechanism comprises an ejector pin and an ejection cylinder. The ejection mechanism comprises an ejection rod and a spring. The guide mechanism comprises a guide rod and a guide cylinder. The forming mechanism comprises a lower mold core and an upper mold core. And the lower mold core is provided with a lower molding cavity and a lower injection molding runner. The upper mold core is provided with an upper forming cavity and an upper injection molding runner. According to the multi-station injection mold, hot melt materials enter the lower mold core and the upper mold core from the sprue bush and are cooled in the lower forming cavity and the upper forming cavity to form a product, the ejector pin is pushed by the push plate to move upwards, the ejector pin moves upwards along the ejection cylinder, the product in the lower forming cavity is ejected out, and therefore the product is demolded, product demolding is easier and more convenient, and the production efficiency is improved. And the product demolding and processing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to injection mold technical field especially relates to a multi -position injection mold. BACKGROUND

[0002] Injection mold is a kind of tool for producing plastic product, and is also the tool for giving plastic product complete structure and accurate size.Injection molding is a kind of processing method used when mass producing some complex parts, which refers to the process that heated and melted plastic is injected into mold cavity by injection molding machine, and then the shaped product is obtained after cooling and solidification.

[0003] The existing injection mold needs to manually take out the product after the product is injection molded, and the product demolding is difficult, which reduces the product demolding and processing efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a multi -position injection mold, and aims at solving the technical problem of the prior art that the product needs to be manually taken out, the product demolding is difficult, and the product demolding and processing efficiency are reduced.

[0005] To achieve the above-mentioned purpose, the multi -position injection mold provided by the utility model embodiment includes base, push plate, positioning template, lower mold base, upper mold base, top template, demolding mechanism, ejection mechanism, guide mechanism, forming mechanism and sprue bush, the push plate is movably arranged on the base, the lower mold base is connected to the top side of the positioning template, the upper mold base is installed on the top side of the lower mold base, the top template is connected to the upper mold base, the demolding mechanism sequentially passes through the positioning template, lower mold base and forming mechanism, the ejection mechanism sequentially passes through the positioning template and lower mold base, the guide mechanism is sequentially arranged in the positioning template, lower mold base and upper mold base, the forming mechanism is respectively installed on the lower mold base and upper mold base, and the sprue bush is connected to the top template.

[0006] The demolding mechanism includes ejector pin and ejector barrel, one end of the ejector pin is connected to the push plate, and the other end is movably arranged in the ejector barrel and forming mechanism, the ejector barrel is respectively connected to the positioning template, lower mold base and forming mechanism.

[0007] The ejection mechanism includes ejector rod and spring, one end of the ejector rod is connected to the push plate, and the other end is movably arranged in the positioning template, lower mold base and upper mold base and abuts against the upper mold base, and the spring is sleeved on the outer side of the ejector rod.

[0008] The guide mechanism includes guide rod and guide cylinder, one end of the guide rod is connected to the positioning template, and the other end is movably arranged in the guide cylinder, and the guide cylinder is respectively connected to the lower mold base and upper mold base.

[0009] The forming mechanism comprises a lower mold core and an upper mold core, the lower mold core is installed on the lower mold base, the upper mold core is installed on the upper mold base, the lower mold core is provided with a lower forming cavity and a lower injection flow channel, the lower forming cavity is communicated with the lower injection flow channel, the upper mold core is provided with an upper forming cavity and an upper injection flow channel, the upper forming cavity is communicated with the upper injection flow channel, the lower forming cavity is arranged in coincidence with the upper forming cavity, and the lower forming cavity and the upper forming cavity are both provided with a plurality of;

[0010] The gate sleeve is connected to the top mold plate, and sequentially passes through the top mold plate, the upper mold base, the upper mold core and is communicated with the upper injection flow channel.

[0011] As an optional scheme of the utility model, the ejector pin and the ejector cylinder are both provided with a plurality of, the ejector pin is arranged directly below the lower forming cavity.

[0012] As an optional scheme of the utility model, the ejector rod and the spring are provided with a plurality of, and the plurality of ejector rods are uniformly connected to the push plate.

[0013] As an optional scheme of the utility model, the guide rod and the guide cylinder are provided with a plurality of, and the plurality of guide rods are uniformly arranged on the positioning mold plate.

[0014] As an optional scheme of the utility model, the lower injection flow channel is provided with a plurality of and is uniformly arranged on the lower mold core.

[0015] As an optional scheme of the utility model, the upper injection flow channel is provided with a plurality of and is uniformly arranged on the upper mold core.

[0016] As an optional scheme of the utility model, the lower mold core and the upper mold core are both fixedly connected with water cooling pipes, and the water cooling pipes are uniformly arranged on the lower mold core and the upper mold core.

[0017] The above one or more technical schemes in the multi-station injection mold provided by the utility model embodiment at least have one of the following technical effects:

[0018] The multi-station injection mold provided by the application comprises a base, a push plate, a positioning mold plate, a lower mold base, an upper mold base, a top mold plate, a demolding mechanism, an ejecting mechanism, a guide mechanism, a forming mechanism and a gate sleeve, hot melt material enters the lower mold core and the upper mold core from the gate sleeve, and the material is cooled and formed into a product in the lower forming cavity and the upper forming cavity, after the product is cooled and formed, the push plate drives the ejector pin to move upwards, the ejector pin moves upwards along the ejector cylinder and ejects the product in the lower forming cavity, so that the product is demolded, the product is demolded more conveniently, and the product demolding and processing efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor on the basis of these drawings.

[0020] Figure 1 A perspective view of the multi-station injection mold provided by the embodiments of the present application is shown.

[0021] Figure 2 A perspective view of the multi-station injection mold provided by the embodiments of the present application is shown.

[0022] Figure 3 A perspective view of the multi-station injection mold provided by the embodiments of the present application is shown.

[0023] Figure 4 A perspective view of the multi-station injection mold provided by the embodiments of the present application is shown.

[0024] Figure 5 A side view of the multi-station injection mold provided by the embodiments of the present application is shown.

[0025] Figure 6 A Figure 5 A sectional view along A-A.

[0026] Figure 7 A Figure 5 A sectional view along B-B.

[0027] In the drawings, various reference signs represent:

[0028] 1, base; 2, push plate; 3, positioning template; 4, lower mold base; 5, upper mold base; 6, top template; 7, demolding mechanism; 8, ejection mechanism; 9, guide mechanism; 10, molding mechanism; 11, gate sleeve; 12, water cooling pipe;

[0029] 71, ejector pin; 72, ejector barrel;

[0030] 81, ejector rod; 82, spring;

[0031] 91, guide rod; 92, guide barrel;

[0032] 101, lower mold core; 102, upper mold core; 103, lower molding cavity; 104, lower injection flow channel; 105, upper molding cavity; 106, upper injection flow channel. DETAILED DESCRIPTION

[0033] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0034] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0035] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0036] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0037] In one embodiment of the present application, as Figures 1-7As shown, a multi-station injection mold is provided, comprising a base 1, a push plate 2, a positioning template 3, a lower mold base 4, an upper mold base 5, a top template 6, a demolding mechanism 7, an ejection mechanism 8, a guide mechanism 9, a molding mechanism 10 and a sprue bush 11. The push plate 2 is movably arranged on the base 1, the lower mold base 4 is fixedly connected to the top side of the positioning template 3, and the upper mold base 5 is fixedly installed on the top side of the lower mold base 4. The top template 6 is fixedly connected to the upper mold base 5. The demolding mechanism 7 sequentially passes through the positioning template 3, the lower mold base 4 and the molding mechanism 10. The ejection mechanism 8 sequentially passes through the positioning template 3 and the lower mold base 4. The guide mechanism 9 is sequentially arranged in the positioning template 3, the lower mold base 4 and the upper mold base 5. The molding mechanism 10 is respectively installed on the lower mold base 4 and the upper mold base 5, and the sprue bush 11 is fixedly connected to the top template 6.

[0038] The demolding mechanism 7 comprises a ejector pin 71 and an ejector cylinder 72, one end of the ejector pin 71 is fixedly connected to the push plate 2, and the other end is movably arranged in the ejector cylinder 72 and the molding mechanism 10. The ejector cylinder 72 is fixedly connected to the positioning template 3, the lower mold base 4 and the molding mechanism 10. After the product is cooled and formed, the molded product in the lower molding cavity 103 is ejected by the ejector pin 71.

[0039] The ejection mechanism 8 comprises a ejector rod 81 and a spring 82, one end of the ejector rod 81 is fixedly connected to the push plate 2, the other end is movably arranged in the positioning template 3, the lower mold base 4 and abuts against the upper mold base 5, and the spring 82 is sleeved outside the ejector rod 81. After the product is cooled and formed, the mold is first opened by the ejection mechanism 8, the push plate 2 pushes the ejector rod 81 and the spring 82 to move upwards, and after the ejector rod 81 moves upwards, the upper mold core 102, the upper mold base 5 and the top template 6 are ejected, thereby facilitating the molded product in the lower mold core 101 to be ejected.

[0040] The guide mechanism 9 comprises a guide rod 91 and a guide cylinder 92, one end of the guide rod 91 is connected to the positioning template 3, and the other end is movably arranged in the guide cylinder 92, and the guide cylinder 92 is connected to the lower mold base 4 and the upper mold base 5. The guide rod 91 and the guide cylinder 92 have a guiding effect on the lower mold base 4 and the upper mold base 5.

[0041] The forming mechanism 10 comprises a lower mold core 101 and an upper mold core 102. The lower mold core 101 is installed on the lower mold base 4, and the upper mold core 102 is installed on the upper mold base 5. The lower mold core 101 is provided with a lower forming cavity 103 and a lower injection runner 104, and the lower forming cavity 103 is communicated with the lower injection runner 104. The upper mold core 102 is provided with an upper forming cavity 105 and an upper injection runner 106, and the upper forming cavity 105 is communicated with the upper injection runner 106. The lower forming cavity 103 is arranged in coincidence with the upper forming cavity 105, and a plurality of lower forming cavities 103 and upper forming cavities 105 are arranged. By arranging a plurality of lower forming cavities 103 and upper forming cavities 105, a plurality of products can be formed at one time. The hot melt material flows from the sprue bushing 11 to the upper injection runner 106 and the upper forming cavity 105 of the upper mold core 102, and then flows to the lower injection runner 104 and the lower forming cavity 103 of the lower mold core 101, and the material is cooled to form a product in the lower forming cavity 103 and the upper forming cavity 105.

[0042] The sprue bushing 11 is fixedly connected to the top mold plate 6, and the sprue bushing 11 sequentially penetrates through the top mold plate 6, the upper mold base 5, the upper mold core 102, and is communicated with the upper injection runner 106.

[0043] The plurality of lower forming cavities 103 and upper forming cavities 105 are arranged in coincidence with each other.

[0044] In another embodiment of the utility model, the plurality of ejector pins 71 and the plurality of ejector barrels 72 are arranged in the lower forming cavity 103.

[0045] In another embodiment of the utility model, the plurality of ejector rods 81 and the plurality of springs 82 are arranged in the push plate 2.

[0046] In another embodiment of the utility model, the plurality of guide rods 91 and the plurality of guide barrels 92 are arranged in the positioning mold plate 3.

[0047] In another embodiment of the utility model, the plurality of lower injection runners 104 are arranged in the lower mold core 101.

[0048] In another embodiment of the utility model, the plurality of upper injection runners 106 are arranged in the upper mold core 102.

[0049] In another embodiment of the utility model, the lower mold core 101 and the upper mold core 102 of the multi-station injection mold are fixedly connected with water cooling pipes 12, and the water cooling pipes 12 are evenly arranged on the lower mold core 101 and the upper mold core 102. The water cooling pipes 12 have the effect of accelerating cooling, accelerating the cooling and molding of the materials in the lower molding cavity 103 and the upper molding cavity 105.

[0050] The multi-station injection mold provided by the application is characterized in that hot melt materials enter the lower mold core 101 and the upper mold core 102 from the sprue bush 11, and the materials cool and form products in the lower molding cavity 103 and the upper molding cavity 105. After the products are cooled and formed, the push plate 2 pushes the ejector pin 71 to move upward, the ejector pin 71 moves upward along the ejector barrel 72, and the products in the lower molding cavity 103 are ejected, so that the products are demolded, the demolding of the products is more convenient, and the demolding and processing efficiency of the products are improved.

[0051] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-station injection mold, characterized by, The utility model relates to a injection molding machine, including base, push plate, positioning template, lower die base, upper die base, top template, stripping mechanism, ejection mechanism, guide mechanism, forming mechanism and sprue bush, the push plate activity sets up in the base, the lower die base connects in the positioning template top side, the upper die base installs in the lower die base top side, the top template connects in the upper die base, the stripping mechanism passes through the positioning template, lower die base, forming mechanism in proper order, the ejection mechanism passes through the positioning template, lower die base in proper order, the guide mechanism passes through in the positioning template, lower die base, upper die base in proper order, the forming mechanism installs in the lower die base, upper die base respectively, the sprue bush connects in the top template, The stripping mechanism includes a ejector pin and an ejector barrel, one end of the ejector pin is connected to the push plate, the other end is sequentially arranged in the ejector barrel and the forming mechanism, the ejector barrel is connected to the positioning template, the lower die base and the forming mechanism respectively; The ejection mechanism includes a ejector rod and a spring, one end of the ejector rod is connected to the push plate, the other end is sequentially arranged in the positioning template, the lower die base and abuts against the upper die base, the spring is sleeved outside the ejector rod; The guide mechanism includes a guide rod and a guide cylinder, one end of the guide rod is connected to the positioning template, the other end is arranged in the guide cylinder, the guide cylinder is connected to the lower die base and the upper die base respectively; The forming mechanism includes a lower die core and an upper die core, the lower die core is installed in the lower die base, the upper die core is installed in the upper die base, the lower die core is provided with a lower forming cavity and a lower injection runner, the lower forming cavity is communicated with the lower injection runner, the upper die core is provided with an upper forming cavity and an upper injection runner, the upper forming cavity is communicated with the upper injection runner, the lower forming cavity is arranged in the upper forming cavity, and the lower forming cavity and the upper forming cavity are provided with a plurality of forming cavities; The sprue bush is connected to the top template, the sprue bush sequentially passes through the top template, the upper die base, the upper die core, and is communicated with the upper injection runner.

2. A multi-station injection mold according to claim 1, wherein, The ejector pin and the ejector barrel are provided with a plurality of ejector pins, and the ejector pin is arranged below the lower forming cavity.

3. A multi-station injection mold according to claim 1, wherein, The ejector rod and the spring are provided with a plurality of ejector rods, and the plurality of ejector rods are uniformly connected to the push plate.

4. A multi-station injection mold in accordance with claim 1, wherein, The guide rod and the guide cylinder are provided with a plurality of guide rods, and the plurality of guide rods are uniformly arranged on the positioning template.

5. A multi-station injection mold in accordance with claim 1, wherein, The lower injection runner is provided with a plurality of lower injection runners, and is uniformly arranged on the lower die core.

6. A multi-station injection mold in accordance with claim 1, wherein, The upper injection runner is provided with a plurality of upper injection runners, and is uniformly arranged on the upper die core.

7. A multi-station injection mold in accordance with claim 1, wherein, The lower die core and the upper die core are fixedly connected with water cooling pipes, and the water cooling pipes are uniformly arranged on the lower die core and the upper die core.