Injection molding automobile key mold with metal insert

Abstract

The utility model relates to the technical field of automobile key molds, and discloses an injection molding automobile key mold with a metal insert, which comprises a top plate, a linkage plate arranged at the bottom of the top plate, an alloy copper plate arranged at the bottom of the linkage plate, a fixing plate arranged at the bottom of the alloy copper plate, and a supporting plate arranged at the bottom of the fixing plate. A bottom plate is fixedly connected to the bottom of the supporting plate, a supporting assembly is arranged at the bottom of the top plate and comprises a limiting column, the top of the limiting column is fixedly connected to the bottom of the top plate, and a lantern ring is slidably connected to the outer wall of the limiting column. According to the utility model, the ejector plates are vertically arranged, and the second mold and the first mold are vertically arranged, so that the effect of improving the production efficiency is achieved, and the problems of low efficiency, low yield, high rejection rate, low production cost and the like due to the fact that most parts with metal inserts are generally produced in a manner of manually placing the inserts in a vertical injection molding machine are solved. And the practicability of the automobile key mold is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to car key mould technical field especially a kind of injection molding car key mould with metal insert. BACKGROUND

[0002] As an important accessory of vehicle, the production quality and efficiency of car key are crucial. With the continuous development of automobile industry, the demand for car key is increasing, and the precision and performance requirements are becoming more and more strict. Injection molding technology plays an important role in the production of car key, especially the injection molding car key mould with metal insert, the rationality of its design directly affects the final quality and production efficiency of the product.

[0003] The traditional injection molding mould with metal insert is relatively simple in mechanical structure and technical principle. Usually, horizontal injection molding machine is adopted, and the opening and closing mode of the mould is relatively conventional. The placement of metal insert mainly depends on manual operation. During the injection molding process, the plastic melt is injected into the mould cavity through the ordinary runner system, and the cooling system also adopts a relatively basic layout, which is difficult to achieve efficient heat exchange and uniform cooling. The demolding system generally only relies on simple ejector pin structure, and lacks fine design and optimization.

[0004] The existing traditional production method has a serious problem, that is, due to the uncertainty of manual placement of insert and the complexity of operation, a large amount of time is consumed in the insert placement link during the production process, which seriously affects the overall production efficiency. The position and angle of each manual placement of insert can be deviated, which not only increases the scrap rate, but also makes the product quality uneven, which is difficult to meet the high precision and high quality requirements of automobile industry for car key, greatly limits the production scale and benefit of injection molding car key with metal insert. Therefore, an injection molding car key mould with metal insert is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an injection molding car key mould with metal insert, which aims to improve the production by manual placement of insert in the prior art. This method has the problems of low efficiency, low yield and high scrap rate.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An injection molding car key mould with metal insert, comprising a top plate, a linkage plate is arranged at the bottom of the top plate, an alloy copper plate is arranged at the bottom of the linkage plate, a fixed plate is arranged at the bottom of the alloy copper plate, a supporting plate is arranged at the bottom of the fixed plate, a bottom plate is fixedly connected to the bottom of the supporting plate, and a supporting assembly is arranged at the bottom of the top plate.

[0008] As a further description of the above technical scheme:

[0009] The support assembly comprises a limiting column, the top of which is fixedly connected to the bottom of the top plate, a collar is slidably connected to the outer wall of the limiting column, the outer wall of the collar is fixedly connected to the inside of the linkage plate, a first mold is slidably connected to the bottom of the linkage plate, a second mold is fixedly connected to the sidewall of the first mold, and an inclined ejection assembly is arranged in the inside of the linkage plate.

[0010] As a further description of the above technical solution:

[0011] The inclined ejection assembly comprises an inclined ejection column, the bottom of which is fixedly connected to the inside of the linkage plate, a second mold is slidably connected to the outer wall of the inclined ejection column, the bottom of the second mold is fixedly connected to the top of the alloy copper plate, a lifting assembly is arranged on the outer wall of the alloy copper plate, and a limiting assembly is arranged on the top of the alloy copper plate.

[0012] As a further description of the above technical solution:

[0013] The lifting assembly comprises a hanging ring, the sidewall of which is fixedly connected to the sidewall of the alloy copper plate, the lifting assembly facilitates the carrying of the trolley, and an ejection assembly is arranged in the inside of the fixed plate.

[0014] As a further description of the above technical solution:

[0015] The ejection assembly comprises an ejection plate, the bottom of which is slidably connected to the inside of the fixed plate, and the outer wall of the ejection plate is slidably connected to the outer wall of the alloy copper plate.

[0016] As a further description of the above technical solution:

[0017] The limiting assembly comprises a limiting plate, the sidewall top of which is fixedly connected to the top of the alloy copper plate, the top of the limiting plate is arranged at the bottom of the linkage plate, the sidewall of the limiting plate is fixedly connected to the sidewall of the second mold, and a shock absorption assembly is arranged on the top of the bottom plate.

[0018] As a further description of the above technical solution:

[0019] The shock absorption assembly comprises a connecting column, the bottom of which is fixedly connected to the top of the bottom plate, a spring is arranged on the outer wall of the connecting column, the bottom of the spring is fixedly connected to the top of the bottom plate, the other end of the connecting column is fixedly connected to the bottom of the fixed plate, and a cooling assembly is arranged on the sidewall of the fixed plate.

[0020] As a further description of the above technical solution:

[0021] The cooling assembly comprises a brass tube, the sidewall of which is fixedly connected to the sidewall of the fixed plate, the outer wall of the brass tube is fixedly connected to the top of the alloy copper plate, and the outer wall of the brass tube is fixedly connected to the bottom of the linkage plate.

[0022] The utility model has the advantages of the following:

[0023] In the utility model, the ejection plate is arranged vertically, and the second mold and the first mold are also arranged vertically, so that the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 A three-dimensional schematic view of the injection mold for an automobile key with a metal insert is provided in the utility model;

[0025] Fig. 2 An exploded structural schematic view of the top plate of the injection mold for an automobile key with a metal insert is provided in the utility model;

[0026] Fig. 3 An exploded structural schematic view of the alloy copper plate of the injection mold for an automobile key with a metal insert is provided in the utility model.

[0027] LEGEND:

[0028] 1, top plate; 2, linkage plate; 3, alloy copper plate; 4, fixed plate; 5, support plate; 6, bottom plate; 7, limiting column; 8, inclined ejection column; 9, first mold; 10, collar; 11, ejection plate; 12, second mold; 13, hanging ring; 14, brass tube; 15, connecting column; 16, spring; 17, limiting plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] REFERENCE Figs. 1-3The utility model provides a kind of metal insert injection molding automobile key mould of taking, including top plate 1, top plate 1 adopts high-strength aluminum alloy material, aluminum alloy has the characteristics of lighter quality, higher strength, top plate 1 bottom is provided with linkage plate 2, linkage plate 2 selects high-quality stainless steel material, and stainless steel has excellent wear resistance, can effectively reduce wear in the process of mould frequent opening and closing, linkage plate 2 bottom is provided with alloy copper plate 3, alloy copper plate 3 bottom is provided with fixed plate 4, and fixed plate 4 is made of high-strength engineering plastics, and engineering plastics has good dimensional stability and insulation performance, can effectively prevent interference from static electricity etc. To injection molding process, fixed plate 4 bottom is provided with support plate 5, and support plate 5 bottom is fixedly connected with bottom plate 6, and top plate 1 bottom is provided with support assembly, and support assembly includes limiting post 7, limiting post 7 adopts quenched steel material, and hardness is greatly improved after quenching treatment, can withstand greater pressure and friction, limiting post 7 top is fixedly connected in top plate 1 bottom, and limiting post 7 outer wall is slidably connected with sleeve ring 10, and sleeve ring 10 outer wall is fixedly connected in linkage plate 2 inside, and linkage plate 2 bottom is slidably connected with first mould 9, and first mould 9 selects hot work die steel, and hot work die steel has good high-temperature strength, toughness and thermal fatigue performance, and first mould 9 side wall is fixedly connected with second mould 12, and linkage plate 2 inside is provided with inclined top assembly, and inclined top assembly includes inclined top column 8, and inclined top column 8 adopts high-strength alloy steel material, has higher hardness and wear resistance, and inclined top column 8 bottom is fixedly connected in linkage plate 2 inside, and inclined top column 8 outer wall is slidably connected with second mould 12, and second mould 12 bottom is fixedly connected in alloy copper plate 3 top, and alloy copper plate 3 outer wall is provided with hoisting assembly, and alloy copper plate 3 top is provided with limiting assembly, and hoisting assembly includes hanging ring 13, and hanging ring 13 adopts stainless steel material, to ensure the strength and corrosion resistance in hoisting process, and hanging ring 13 side wall is fixedly connected in alloy copper plate 3 side wall, and hoisting assembly facilitates driving and carries, and fixed plate 4 inside is provided with ejection assembly, and ejection assembly includes ejection plate 11, and ejection plate 11 bottom is slidably connected in fixed plate 4 inside, and ejection plate 11 outer wall is slidably connected in alloy copper plate 3 outer wall, and limiting assembly includes limiting plate 17, and limiting plate 17 adopts aluminum alloy material, reduces weight while ensuring certain strength, and limiting plate 17 top is arranged in linkage plate 2 bottom, and limiting plate 17 side wall top is fixedly connected in alloy copper plate 3 top, and limiting plate 17 top is arranged in linkage plate 2 bottom, and limiting plate 17 side wall is fixedly connected in second mould 12 side wall, and bottom plate 6 top is provided with cushioning assembly, and cushioning assembly includes connecting column 15, and connecting column 15 bottom is fixedly connected in bottom plate 6 top, and connecting column 15 outer wall is provided with spring 16, and spring 16 bottom is fixedly connected in bottom plate 6 top, and connecting column 15 other end is fixedly connected in fixed plate 4 bottom, and fixed plate 4 side wall is provided with cooling assembly, and cooling assembly includes brass tube 14, and brass tube 14 adopts high-purity copper tube, and its excellent heat conduction performance can efficiently transfer the heat of cooling liquid, realizes the rapid cooling of mould,The side wall of the brass pipe 14 is fixedly connected to the side wall of the fixed plate 4, the outer wall of the brass pipe 14 is fixedly connected to the top of the alloy copper plate 3, and the outer wall of the brass pipe 14 is fixedly connected to the bottom of the linkage plate 2.

[0031] Specifically, in the operation process of the metal insert injection mold for the automobile key, first, the high-precision mechanical arm is used to accurately clamp the metal insert, and according to the preset program, it is accurately placed in a specific position inside the alloy copper plate 3. It is worth noting that the spacing of the parts is carefully designed, which is perfectly matched with the operation precision and movement range of the mechanical arm, so as to effectively utilize the mechanical hand to realize the significant improvement of the production efficiency of the horizontal injection molding machine. When entering the demolding stage, the top plate 1 starts first, and the limiting column 7 is driven to move stably along a specific track inside the linkage plate 2, thereby driving the linkage plate 2 to produce a corresponding displacement. In this process, the alloy copper plate 3 closely follows the movement trend of the linkage plate 2 and moves smoothly towards the side wall of the linkage plate 2. At the same time, the fixed plate 4 is stressed, and the internal ejection plate 11 is accurately driven to start moving. The outer wall of the ejection plate 11 smoothly slides inside the alloy copper plate 3, successfully ejecting the automobile key molded in the first mold 9 and the second mold 12 out of the mold. Subsequently, through the efficient heat exchange effect of the circulating water in the brass pipe 14, the temperature of the linkage plate 2 and the alloy copper plate 3 is always stably maintained within a suitable range, providing reliable guarantee for the continuous and stable operation of the mold. In the mold closing process, the spring 16 plays a key role, which will shrink in time under the action of the mold parts, providing essential buffer effect for the mold closing process, effectively avoiding the violent collision and wear between the parts. And in the demolding operation, the spring 16 can produce stable and just right ejection power, further optimizing the demolding process, so that the demolding quality of the automobile key is significantly improved, effectively reducing the defect rate of the product, and ensuring the high-quality output of the product.

[0032] Working principle: when using the metal insert injection mold of car key, first through the mechanical arm clamping metal insert, place it in the inside of alloy copper plate 3, and the spacing and mechanical arm is same, reached by using manipulator to improve the production of horizontal injection molding machine, then in the mold, first the top plate 1 drive limit column 7 make it move in the inside of linkage plate 2, and drive linkage plate 2 to move, then alloy copper plate 3 drive to move, and move to the side wall of linkage plate 2, then through the fixed plate 4 stress drive inside the ejector plate 11 to move, the outer wall of the ejector plate 11 slide in the inside of alloy copper plate 3, the first mold 9 and the second mold 12 injection molding car key, ejector plate 11 outside, immediately through brass tube 14 circulating water, make linkage plate 2 and alloy copper plate 3 always keep a suitable temperature, then in the mold, will spring 16 drive make it shrink, make it provide certain buffer effect when the mold, and spring 16 also will produce a ejector plate 16 when demolding power, make its demolding quality better.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A mold for injection molding an automotive key with a metal insert, comprising a top plate (1), characterized in that: The bottom of the top plate (1) is provided with a linkage plate (2), the bottom of the linkage plate (2) is provided with an alloy copper plate (3), the bottom of the alloy copper plate (3) is provided with a fixed plate (4), the bottom of the fixed plate (4) is provided with a support plate (5), the bottom of the support plate (5) is fixedly connected with a bottom plate (6), and the bottom of the top plate (1) is provided with a supporting assembly.

2. The injection mold for a key fob with a metal insert as set forth in claim 1, wherein: The supporting assembly comprises a limiting column (7) fixedly connected at the bottom of the top plate (1), a sleeve ring (10) slidably connected to the outer wall of the limiting column (7), the sleeve ring (10) is fixedly connected to the inside of the linkage plate (2), a first mold (9) is slidably connected to the bottom of the linkage plate (2), a second mold (12) is fixedly connected to the side wall of the first mold (9), and an inclined top assembly is arranged in the linkage plate (2).

3. The insert-molding die for an automotive key according to claim 2, wherein: The inclined top assembly comprises an inclined top column (8) fixedly connected to the inside of the linkage plate (2), a second mold (12) slidably connected to the outer wall of the inclined top column (8), the second mold (12) is fixedly connected to the top of the alloy copper plate (3), the alloy copper plate (3) is provided with a lifting assembly, and the alloy copper plate (3) is provided with a limiting assembly.

4. The insert-molding die for an automotive key according to claim 3, wherein: The lifting assembly comprises a hanging ring (13) fixedly connected to the side wall of the alloy copper plate (3), the lifting assembly facilitates the carrying of the vehicle, and the fixed plate (4) is provided with an ejection assembly.

5. The insert-molding automotive key mold with metal insert of claim 4, wherein: The ejection assembly comprises an ejection plate (11) slidably connected to the inside of the fixed plate (4), and the ejection plate (11) is slidably connected to the outer wall of the alloy copper plate (3).

6. The insert-molding die for an automotive key according to claim 3, wherein: The limiting assembly comprises a limiting plate (17) fixedly connected to the top of the alloy copper plate (3), the limiting plate (17) is arranged at the bottom of the linkage plate (2), the limiting plate (17) is fixedly connected to the side wall of the second mold (12), and the bottom plate (6) is provided with a shock absorption assembly.

7. The insert-molding die for an automotive key according to claim 6, wherein: The shock absorption assembly comprises a connecting column (15) fixedly connected to the top of the bottom plate (6), a spring (16) arranged on the outer wall of the connecting column (15), the spring (16) is fixedly connected to the top of the bottom plate (6), the other end of the connecting column (15) is fixedly connected to the bottom of the fixed plate (4), and the fixed plate (4) is provided with a cooling assembly.

8. The insert-molding automotive key mold with metal insert of claim 7, wherein: The cooling assembly comprises a brass pipe (14) fixedly connected to the side wall of the fixed plate (4), the brass pipe (14) is fixedly connected to the top of the alloy copper plate (3), and the brass pipe (14) is fixedly connected to the bottom of the linkage plate (2).

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