Die for inner side hole of U-shaped groove of seat armrest of airplane passenger cabin

By improving the mold structure of the inner hole of the U-shaped groove of the aircraft seat armrest, using a three-direction buckle design and cooling water hole, the problem of thin steel material and poor strength of the mold is solved, and efficient production and cost savings are achieved.

CN223115733UActive Publication Date: 2025-07-18ZHONGSHAN HORD RAPIDTOOLS CO LTD
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Patent Information

Application Number
CN202422402431.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-07-18
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

When the left and right armrests of existing aircraft seats are produced, it is difficult to process products with U-shaped inclined inner groove shapes, the mold steel is thin, the strength is poor, the life is short, and it is difficult to mass production.

Method used

The mold structure consisting of lower mold, rear mold core, dome pin, top block, slider, movable insert, etc. is adopted. Through the three-direction buckle design and cooling water hole design, the processing process is simplified and the mold strength and smooth production are ensured.

Benefits of technology

It realizes that the mold strength is improved, the processing volume is simplified, the cost is saved, and the processing cycle is shortened without affecting the product structure and appearance, and the risks of traditional mold design are avoided and rapid production is achieved.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223115733U_ABST
    Figure CN223115733U_ABST
Patent Text Reader

Abstract

The utility model discloses a mould for an inner side hole of a U-shaped groove of an airplane passenger cabin seat armrest. The mold has the beneficial effects that the three movable splicing inserts are arranged at the U-shaped position of the rear mold and correspond to buckling positions in three directions, the middle part is firstly pulled out, then the left and right dense hole inserts are disassembled by using an auxiliary clamp, and slide assembly holes are formed in the left and right sides, so that firstly, the structure and the appearance of a product are ensured not to be influenced, and the mold is convenient to assemble and disassemble. The mold strength is guaranteed, the machining amount is simplified, the injection molding production is smooth, the cost is saved, the mold machining period is controlled within the specified time, and the requirements of customers are met; by simplifying the left-right slide structure of the rear mold and using the three-direction buckling position as the structure of the movable splicing insert, the integrity of the whole structure of the product and the assembly requirement are ensured, meanwhile, various risks and prolonged delivery time caused by sleeving the left-right slide after making the inclined slide of the rear mold in a common production mold are avoided, and the value of the rapid mold in normal production and manufacturing is realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold for the inner holes of the U-shaped groove of the armrest of an airplane cabin seat. Background Technique

[0002] A mold is a tool used for shaping articles in industrial production. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the outer shape of the article by changing the physical state of the shaped material. Molds are widely used in the manufacturing industry, especially in industries such as automobiles, electronics, household appliances, and aerospace. The quality of the mold directly affects the quality and production efficiency of the product. When producing the left and right armrests of existing airplane seats, the product is in the shape of a long strip with a U-shaped inclined inner groove, and the two inner sides of the U-shaped have reverse buckles with sealed bottom holes and side assembly holes. According to the traditional processing method, an inclined slide is made in the U-shaped groove and then two slides are sleeved. Due to the small space, the corresponding mold steel is thin, resulting in difficult processing, poor strength, short mold life, and risks such as difficulty in mass production. Content of the Utility Model

[0003] The purpose of the utility model is to provide a mold for the inner holes of the U-shaped groove of the armrest of an airplane cabin seat, so as to solve the problems in the above-mentioned background technique that when producing the left and right armrests of existing airplane seats, the product is in the shape of a long strip with a U-shaped inclined inner groove, and the two inner sides of the U-shaped have reverse buckles with sealed bottom holes and side assembly holes. According to the traditional processing method, an inclined slide is made in the U-shaped groove and then two slides are sleeved. Due to the small space, the corresponding mold steel is thin, resulting in difficult processing, poor strength, short mold life, and risks such as difficulty in mass production.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A mold for the inner holes of the U-shaped groove of the armrest of an airplane cabin seat, including:

[0005] Lower mold;

[0006] Rear mold core, the rear mold core is arranged inside the lower mold;

[0007] Round ejector pin, the round ejector pin is slidably arranged inside the rear mold core;

[0008] Ejector block, the ejector block is arranged inside the rear mold core, and the top end of the round ejector pin is fixedly connected to the ejector block;

[0009] Slider, the sliders are symmetrically arranged inside the lower mold, and the sliders are matched with the rear mold core;

[0010] Movable insert, the movable inserts are symmetrically arranged inside the rear mold core;

[0011] Intermediate movable insert, the intermediate movable insert is arranged inside the movable insert.

[0012] As a preferred embodiment of the present utility model: It further includes an upper mold, which cooperates with the lower mold. A front mold core is arranged inside the upper mold, and a runner gate part is arranged at the bottom of the front mold core.

[0013] As a preferred embodiment of the present utility model: A plurality of No. 3 water channels are opened inside the front mold core.

[0014] As a preferred embodiment of the present utility model: A plurality of No. 1 water channels are opened inside the slider.

[0015] As a preferred embodiment of the present utility model: A plurality of No. 2 water channels are opened inside the rear mold core.

[0016] As a preferred embodiment of the present utility model: It further includes a product, which is placed on the top of the rear mold core, and both the intermediate movable insert and the movable insert cooperate with the product.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the rear mold of the present utility model, three movable split inserts are made at the U-shaped position corresponding to three-direction snap fits. First, the middle part is withdrawn, and then the left and right dense-hole inserts are removed with an auxiliary fixture. Side cores are made on the left and right sides to form assembly holes. First, without affecting the product structure and appearance, the mold strength is ensured, the processing amount is simplified, the injection molding production is smooth, and costs are saved. At the same time, the mold processing cycle is controlled within the specified time to meet the requirements of customers; Through the structural application of simplifying the left and right side core structures of the rear mold and making three-direction snap fits with movable split inserts, the integrity of the overall product structure and assembly requirements are ensured. At the same time, various risks and extended delivery times caused by making inclined side cores on the rear mold and then sleeving side cores in the left and right directions in ordinary production molds are also avoided, realizing the value of rapid tooling in normal production and manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the front mold core and rear mold core of the present utility model;

[0019] Figure 2 It is an exploded view of the structure of the present utility model;

[0020] Figure 3 It is a schematic structural diagram of the ejector block of the present utility model;

[0021] Figure 4 It is a schematic structural diagram of the lower mold of the present utility model;

[0022] Figure 5 It is a schematic structural diagram of the upper mold of the present utility model;

[0023] Figure 6 It is a schematic structural diagram of the overall product of the present utility model;

[0024] Figure 7This is the structural diagram of the movable insert of the present utility model;

[0025] Figure 8 This is the schematic structural diagram of the middle movable insert of the present utility model.

[0026] In the figure: 1, front mold core; 2, middle movable insert; 3, movable insert; 4, slider; 5, first water channel hole; 6, ejector block; 7, rear mold core; 8, round ejector pin; 9, runner injection part; 10, second water channel hole; 11, third water channel hole; 12, product; 13, lower mold; 14, upper mold. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Please refer to Figures 1 to 8 , the present utility model provides a technical solution: a mold for the inner hole of the U-shaped groove of the armrest of an airplane cabin seat, including: a lower mold 13; a rear mold core 7 is arranged inside the lower mold 13; a round ejector pin 8 is slidably arranged inside the rear mold core 7; an ejector block 6 is arranged inside the rear mold core 7, and the top end of the round ejector pin 8 is fixedly connected to the ejector block 6; sliders 4 are symmetrically arranged inside the lower mold 13, and the sliders 4 cooperate with the rear mold core 7; movable inserts 3 are symmetrically arranged inside the rear mold core 7; a middle movable insert 2 is arranged inside the movable insert 3.

[0029] It can be understood that before the mold of the present utility model is closed, first reset the round ejector pin 8 to the bottom, then splice the middle movable insert 2 and the movable insert 3 and place them in the corresponding positions of the rear mold core 7 in sequence, then close the AB plates. After reaching the position, the injection molding machine injects glue for production. After the mold injection molding is completed, open the mold, open the AB plates and open the front mold core 1 and the rear mold core 7. At the same time, the left and right sliders 4 of the rear mold core 7 slide outwards to disengage from the outer hole positions. The ejector rod pushes the ejector plate to drive the round ejector pin 8, and the round ejector pin 8 pushes the middle movable insert 2, the movable insert 3 and the ejector block 6 to eject the product from the rear mold core 7. Take out the product 12 and all the middle movable inserts 2 and the movable inserts 3, cut off the side gate, and then manually remove the middle movable insert 2 in the demolding direction. Use a jig to assist in knocking open the two side movable inserts 3, and then the product can be normally produced.

[0030] Please refer to Figure 1 and Figure 8 , it further includes an upper mold 14, the upper mold 14 cooperates with the lower mold 13, and a front mold core 1 is arranged inside the upper mold 14, and a runner injection part 9 is arranged at the bottom of the front mold core 1.

[0031] It is understandable that the feeding process of the present utility model is carried out through the runner feeding part 9.

[0032] Please refer to Figure 1 and Figure 8 , a plurality of third cooling water holes 11 are provided inside the front mold core 1.

[0033] It is understandable that the present utility model passes cooling water into the front mold core 1 through the third cooling water holes 11 to cool down the front mold core 1.

[0034] Please refer to Figure 1 and Figure 8 , a plurality of first cooling water holes 5 are provided inside the slider 4.

[0035] It is understandable that the present utility model passes cooling water into the slider 4 through the first cooling water holes 5 to cool down the slider 4.

[0036] Please refer to Figure 1 and Figure 8 , a plurality of second cooling water holes 10 are provided inside the rear mold core 7.

[0037] It is understandable that the present utility model passes cooling water into the rear mold core 7 through the second cooling water holes 10 to cool down the rear mold core 7.

[0038] Please refer to Figure 1 and Figure 8 , it further includes a product 12, the product 12 is placed on the top of the rear mold core 7, and the intermediate movable insert 2 and the movable insert 3 are both matched with the product 12.

[0039] It is understandable that the function of the intermediate movable insert 2 in the present utility model is to demold the inclined inner hole and provide a moving space for the left and right movable inserts 3, and the function of the movable insert 3 is to demold the two inner holes and exhaust gas.

[0040] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front part", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0041] Furthermore, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", "third", or "fourth" may explicitly or implicitly include at least one such feature.

[0042] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "set", "connected", "fixed", "swivelly connected", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0043] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. Die for the inner hole of the U-shaped groove of the aircraft cabin seat armrest, characterized in that, Comprising: Lower die (13); Rear mold core (7), the rear mold core (7) is arranged inside the lower die (13); Dome pin (8), the dome pin (8) is slidably arranged inside the rear mold core (7); Ejector block (6), the ejector block (6) is arranged inside the rear mold core (7), and the top end of the dome pin (8) is fixedly connected to the ejector block (6); Slider (4), the slider (4) is symmetrically arranged inside the lower die (13), and the slider (4) cooperates with the rear mold core (7); Movable insert (3), the movable insert (3) is symmetrically arranged inside the rear mold core (7); Intermediate movable insert (2), the intermediate movable insert (2) is arranged inside the movable insert (3).

2. The mold for the inner hole of the U-shaped groove of the aircraft cabin seat armrest according to claim 1, characterized in that: It further includes an upper die (14), the upper die (14) cooperates with the lower die (13), a front mold core (1) is arranged inside the upper die (14), and a runner injection part (9) is arranged at the bottom of the front mold core (1).

3. The mold for the inner hole of the U-shaped groove of the aircraft cabin seat armrest according to claim 2, characterized in that: A plurality of No. 3 water channels (11) are formed inside the front mold core (1).

4. The mold for the inner hole of the U-shaped groove of the aircraft cabin seat armrest according to claim 1, characterized in that: A plurality of No. 1 water channels (5) are formed inside the slider (4).

5. The mold for the inner hole of the U-shaped groove of the aircraft cabin seat armrest according to claim 1, characterized in that: A plurality of No. 2 water channels (10) are formed inside the rear mold core (7).

6. The mold for the inner hole of the U-shaped groove of the aircraft cabin seat armrest according to claim 1, wherein: It further includes a product (12), the product (12) is placed on the top of the rear mold core (7), and both the intermediate movable insert (2) and the movable insert (3) cooperate with the product (12).