Gas-assisted double-color injection mold for lower body framework

By designing a lower body skeleton gas-assisted two-color injection mold, combining PP-GF and Softell materials with high strength and low cost, the overall molding of gas-assisted technology and two-color injection molding is achieved, and the product weight and complex assembly in the existing technology is solved. The problem of Heqi-assisted bright printing improves the surface quality and overall strength of the product.

CN222245815UActive Publication Date: 2024-12-27CHANGCHUN FAWAY ADIENT AUTOMOTIVE SYST CO LTD
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Patent Information

Application Number
CN202323550861.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2024-12-27
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

The existing IP lower guard plate and IP lower body skeleton structure are integrated design. The products produced are large in weight and complex in assembly processes. They cannot achieve gas-assisted bright printing and two-color injection molding, and are cost-effective.

Method used

Design a lower body skeleton air-assisted two-color injection mold, using code templates, runner plates, core plates, cavity plates, pads, water joints and airways, combining PP-GF raw materials and Softell materials with high strength and low cost. Achieve integrated gas-assisted process and dual-color injection molding to improve product surface quality.

Benefits of technology

The overall molding of gas-assisted process and two-color injection molding has been realized, which has reduced costs and improved product surface quality, and solved the problems of insufficient overall strength and gas-assisted bright printing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lower body framework gas-assisted double-color injection mold, which belongs to the technical field of injection molds, and comprises a code mold plate, a runner plate, a core plate, a cavity plate, a cushion block, a water joint and an air passage, the code mold plate is fixedly connected with the runner plate, the runner plate is fixedly connected with the core plate, the cavity plate is arranged below the core plate and can be matched with the core plate, and the cushion block is arranged in the cavity plate. A plurality of cushion blocks are arranged below the cavity plate, an air passage is arranged in the cavity plate, and a plurality of water joints are arranged on the side surfaces of the cavity plate and the core plate; according to the mold disclosed by the utility model, integrated molding of a gas-assisted process and double-shot molding can be realized, the structural part is made of PP-GF raw materials with higher strength and lower cost, and the appearance part is made of Sofshell, so that the original design intention of customers is ensured, the appearance effect can be ensured, the strength of the structural part can be ensured, and the production efficiency is improved. The negative effects of insufficient overall strength and high cost caused by the fact that the whole part adopts Softell in the prior art are changed, the surface quality of the product can be improved, and the problem of gas-assisted bright marks on the surface of the product is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, in particular to a gas-assisted two-color injection mold for a lower body frame. Background Art

[0002] The existing IP lower guard plate and IP lower body frame structure are integrated designs and adopt gas-assisted technology, but the products produced are heavy, not conducive to lightweight, and the assembly process is complicated.

[0003] The body frame gas-assisted molding mold can only produce one kind of appearance raw material, the market price of this raw material is relatively high, and the cost pressure of the enterprise is high. The existing gas-assisted molding mold cannot solve the problem of gas-assisted bright printing on the product surface. Utility Model Content

[0004] In view of the above problems, the utility model provides a gas-assisted two-color injection mold for a lower body skeleton, including a code template, a runner plate, a core plate, a cavity plate, a cushion block, a water joint and an airway. The code template is fixedly connected to the runner plate, the runner plate is fixedly connected to the core plate, the cavity plate is arranged under the core plate and can match the core plate, a plurality of cushion blocks are arranged under the cavity plate, an airway is arranged in the cavity plate, and a plurality of water joints are arranged on the sides of the cavity plate and the core plate; the utility model mold can realize gas-assisted process + two-color injection integrated molding, the structural part adopts PP-GF raw material with higher strength and lower cost, and the appearance part adopts Softell, which ensures the original design intention of the customer, can ensure both the appearance effect and the strength of the structural part, and changes the negative effects of insufficient overall strength and high cost brought about by the use of Softell for the entire part before, and can also improve the surface quality of the product and reduce the problem of gas-assisted bright printing on the surface of the product.

[0005] The technical scheme of the utility model is as follows: a gas-assisted two-color injection mold for a lower body skeleton, comprising: a code template, a runner plate, a core plate, a cavity plate, a cushion block, a water joint, an airway and an air-assisted channel, the code template is fixedly connected to the runner plate, the runner plate is fixedly connected to the core plate, one side of the cavity plate is arranged opposite to the core plate, the cavity plate can match the core plate, a plurality of cushion blocks are arranged on the other side of the cavity plate, an airway is arranged in the core plate, an air-assisted channel is arranged on the surface of the core plate facing the cavity plate, and a plurality of water joints are arranged on the sides of the cavity plate and the core plate.

[0006] Furthermore, it also includes a locking plate, and the core plate and the cavity plate are fixed by the locking plate.

[0007] Furthermore, it also includes a plurality of ejector pins, which are arranged through the cavity plate.

[0008] Furthermore, it also includes an ejector oil cylinder and an ejector pin plate, the ejector pin is fixed on the ejector pin plate, and the ejector oil cylinder is a power source for the ejector pin plate.

[0009] Furthermore, the ejector plate includes a first ejector plate and a second ejector plate, the ejector is fixed on the first ejector plate, the first ejector plate is fixed to the second ejector plate, and the second ejector plate is cooperatively connected with the output end of the ejection oil cylinder.

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

[0011] The utility model mold can realize gas-assisted process + two-color injection molding. The structural part (lower body frame) adopts PP-GF raw material with higher strength and lower cost, and the appearance part adopts Softell, which ensures the original design intention of the customer, and can ensure both the appearance effect and the strength of the structural part. It changes the previous negative effects of insufficient overall strength and high cost brought by the use of Softell for the entire part, and can also improve the surface quality of the product and reduce the problem of gas-assisted bright printing on the product surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a bottom view of the device of the utility model.

[0013] Figure 2 It is a cross-sectional view of the core plate of the utility model.

[0014] Figure 3 It is a front view of the core plate of the utility model.

[0015] In the figure:

[0016] 1 code template, 2 runner plate, 3 core plate, 4 cavity plate, 5 cushion block, 6 locking plate, 7 water joint, 8 ejector cylinder, 9 first ejector plate, 10 second ejector plate, 11 air channel, 12 ejector, 13 air-assisted channel. DETAILED DESCRIPTION

[0017] It should be noted that in the description of the present invention, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction.

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connection", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral connection; the connection can be a mechanical connection or an electrical connection; the connection can be a direct connection or an indirect connection through an intermediate medium, and 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.

[0019] A gas-assisted two-color injection mold for a lower body skeleton comprises: a code plate 1, a runner plate 2, a core plate 3, a cavity plate 4, a cushion block 5, a locking plate 6, a water joint 7, an ejector cylinder 8, a first ejector plate 9, a second ejector plate 10, an air channel 11, an ejector 12 and a gas-assisted channel 13.

[0020] One side of the code template 1 is fixed to one side of the runner plate 2, and the other side of the runner plate 2 is fixed to one side of the core plate 3. The runner plate 2 is filled with melted raw materials, and the raw materials enter the cavity formed by the core plate 3 and the cavity plate 4 through the runner plate 2 for molding. The core plate 3 and the cavity plate 4 are fixed by a locking plate 6.

[0021] The core plate 3 is the product shaping surface A, and the cavity plate 4 is the product shaping surface B.

[0022] A plurality of cushion blocks 5 are provided on one side of the cavity plate 4 .

[0023] An air channel 11 is provided in the cavity plate 3, one end of the air channel 11 is connected to the air source, and the other end of the air channel 11 is connected to the air-assisted channel 13 engraved on the surface of the core plate. When the raw material is in the core plate 3 and the cavity plate 4, the air source blows air through the air channel 11 to purge the air-assisted channel, so that after the raw material is shaped, the product will have the appearance of the air-assisted channel.

[0024] A plurality of water joints 701 are provided on the sides of the cavity plate 4 and the core plate 3. After water is passed through, the cavity plate 4 and the core plate 3 are cooled to shape the product.

[0025] A plurality of ejector pins 12 are disposed through the cavity plate 4 .

[0026] All ejector pins 12 are fixedly connected to the first ejector pin plate 9 , the first ejector pin plate 9 is fixedly connected to the second ejector pin plate 10 , and the second ejector pin plate 10 is cooperatively connected to the output end of the ejection oil cylinder 8 .

[0027] The ejector cylinder 8 is the power source of the first ejector plate 9 and the second ejector plate 10. After the product is finalized, the ejector cylinder 8 exerts force to drive the first ejector plate 9 and the second ejector plate 10 to move so that the ejector 12 pushes the product out, making it convenient to remove the product.

[0028] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any modification, equivalent replacement and improvement made by any technician familiar with the technical field within the technical scope disclosed by the utility model and within the spirit and principle of the utility model shall be covered by the protection scope of the utility model. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A gas-assisted two-color injection mold for a lower body frame, characterized in that: include: A code template, a flow channel plate, a core plate, a cavity plate, a cushion block, a water joint, an air channel and an air-assisted channel. The code template is fixedly connected to the flow channel plate, the flow channel plate is fixedly connected to the core plate, one side of the cavity plate is arranged opposite to the core plate, the cavity plate can match the core plate, a plurality of cushion blocks are arranged on the other side of the cavity plate, an air channel is arranged in the core plate, an air-assisted channel is arranged on the surface of the core plate facing the cavity plate, and a plurality of water joints are arranged on the sides of the cavity plate and the core plate.

2. A gas-assisted two-color injection mold for a lower body frame as claimed in claim 1, characterized in that: It also includes a plurality of ejector pins, which are arranged through the cavity plate.

3. A gas-assisted two-color injection mold for a lower body frame as claimed in claim 2, characterized in that: It also includes an ejector oil cylinder and an ejector pin plate. The ejector pin is fixed on the ejector pin plate, and the ejector oil cylinder is a power source for the ejector pin plate.

4. A gas-assisted two-color injection mold for a lower body frame as claimed in claim 3, characterized in that: The ejector plate comprises a first ejector plate and a second ejector plate, the ejector is fixed on the first ejector plate, the first ejector plate is fixed to the second ejector plate, and the second ejector plate is matched and connected with the output end of the ejection oil cylinder.

5. A gas-assisted two-color injection mold for a lower body frame according to any one of claims 1 to 4, characterized in that: It also includes a locking plate, through which the core plate and the cavity plate are fixed.