Earphone shell injection molding rapid demolding device

Abstract

The utility model relates to the field of earphone shell processing, and discloses an earphone shell injection molding rapid demolding device which comprises a rack, a first positioning plate and a second positioning plate are fixedly connected to the top of the rack, guide rods are fixedly connected to the interiors of the first positioning plate and the second positioning plate, a first air cylinder is fixedly connected to the exterior of the second positioning plate, and a second air cylinder is fixedly connected to the exterior of the first air cylinder. The output end of the first air cylinder is fixedly connected with a linkage plate, the exterior of the linkage plate is fixedly connected with a second air cylinder, the exterior of the second air cylinder is fixedly connected with a male die, the interior of the male die is slidably connected to the exterior of the guide rod, the output end of the second air cylinder is fixedly connected with an ejector pin, and the ejector pin is slidably connected to the interior of the male die. According to the utility model, through the cooperation of the water pump, the cylinder II and other structures, the mold temperature can be quickly reduced, the quick demolding operation is realized, through the cooperation of the motor, the cleaning roller and other structures, the interior of the female mold is cleaned, and the earphone shell injection molding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to earphone shell processing field especially earphone shell injection molding quick demoulding device. BACKGROUND

[0002] Earphone shell is the external shell part of earphone, mainly used for protecting the internal electronic components, drive unit, audio circuit and other components of earphone, also undertakes appearance design, comfort, durability and sound quality and so on multiple functions. The design and material selection of earphone shell play a vital role in the overall performance, comfort, durability and appearance of earphone.

[0003] Earphone shell injection molding production is a common manufacturing method, which is used for large-scale production of earphone shell. Injection molding process is usually suitable for plastic materials, by melting and injecting plastic into mold, forming predetermined shape earphone shell after cooling. The process not only can guarantee the precision and consistency of the product, but also can meet the production requirements of complex shape, is one of the main ways of earphone shell production.

[0004] The traditional injection molding machine demoulding device because the cooling speed of plastic after injection molding will be slower, thereby increasing the adhesion between plastic and mold surface, it may take a long time to take out earphone shell from the mold, which will lead to the utilization rate of injection molding machine is reduced. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides earphone shell injection molding quick demoulding device, aims at improving the injection molding machine demoulding device in prior art because the cooling speed of plastic after injection molding will be slower, thereby increasing the adhesion between plastic and mold surface, it may take a long time to take out earphone shell from the mold, which will lead to the utilization rate of injection molding machine is reduced.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: earphone shell injection molding quick demoulding device, including frame, the top of frame is fixedly connected with positioning plate no. 1 and positioning plate no. 2, the inside of positioning plate no. 1 and positioning plate no. 2 is fixedly connected with guide rod, the outside of positioning plate no. 2 is fixedly connected with cylinder no. 1, the output end of cylinder no. 1 is fixedly connected with linkage plate, the outside of linkage plate is fixedly connected with cylinder no. 2, the outside of cylinder no. 2 is fixedly connected with male die, the inside of male die is slidably connected in the outside of guide rod, the output end of cylinder no. 2 is fixedly connected with thimble, the thimble is slidably connected in the inside of male die, the outside of positioning plate no. 1 is fixedly connected with female die.

[0007] Further, the inside of the female die is provided with a cooling channel, one end of the cooling channel is fixedly connected with a conveying pipe, the other end of the conveying pipe is fixedly connected with the output end of a water pump, the input end of the water pump is fixedly connected with a water tank, the inside of the water tank is fixedly connected with a refrigerator, the outside of the water tank is fixedly connected with a return pipe, the other end of the return pipe is fixedly connected with the other end of the cooling channel.

[0008] Further, the inside of the frame is provided with a discharging channel, and the top of the frame is provided with a machine cover.

[0009] Further, the top of the machine cover is fixedly connected with a third air cylinder, and the output end of the third air cylinder is fixedly connected with a mounting box.

[0010] Further, the outside of the mounting box is fixedly connected with a fourth air cylinder, and the output end of the fourth air cylinder is fixedly connected with a motor box.

[0011] Further, the motor box is slidably connected in the inside of the mounting box, the output end of the motor box is fixedly connected with a cleaning roller, and the outside of the cleaning roller is fixedly connected with bristles.

[0012] Further, the linkage plate is slidably connected to the outside of the guide rod, and the linkage plate is connected with the male die through the connecting rod.

[0013] Further, the inside of the female die is slidably connected to the outside of the guide rod, and the inside of the female die is provided with an injection port.

[0014] The utility model has the advantages of the following:

[0015] 1、in the utility model, after injection molding is completed, the water pump is driven to draw out the cooling water in the water tank, the cooling water is transported through the conveying pipe, then enters the water inlet of the female die, flows along the preset cooling channel, absorbs heat in the flowing process, then flows out from the outlet of the cooling channel, then returns to the inside of the water tank through the return flow, so that the mold temperature can be rapidly reduced, the refrigerator is arranged, the cooling effect can be maintained relatively stable, after cooling, the male die and the female die are separated by the injection molding machine, then the ejector pin is driven to be ejected by the second air cylinder, the ejector pin is pushed forward, the earphone shell is pushed out from the mold core, so that the rapid demolding operation is realized.

[0016] 2、in the utility model, after injection molding demolding is completed, the third air cylinder is driven to operate, the mounting box is moved by the third air cylinder, when the mounting box moves to the center of the female die, the third air cylinder is closed, then the fourth air cylinder is driven to operate, the motor box moves in the inside of the mounting box by the fourth air cylinder, then the motor in the motor box is driven to operate, the motor drives the cleaning roller and the bristles to clean the inside of the female die. DRAWINGS

[0017] Figure 1 A perspective view of the earphone shell injection molding quick demolding device is provided by the utility model;

[0018] Figure 2 A side view of the earphone shell injection molding quick demolding device is provided by the utility model;

[0019] Figure 3 A partial structure schematic view of the earphone shell injection molding quick demolding device is provided by the utility model;

[0020] Figure 4 A partial structure sectional view of the earphone shell injection molding quick demolding device is provided by the utility model;

[0021] Figure 5 An internal view of the water tank structure of the earphone shell injection molding quick demolding device is provided by the utility model;

[0022] Figure 6 A recessed die structure sectional view of the earphone shell injection molding quick demolding device is provided by the utility model.

[0023] Legend:

[0024] 1, rack; 2, machine cover; 3, positioning plate one; 4, positioning plate two; 5, guide rod; 6, cylinder one; 7, linkage plate; 8, connecting rod; 9, male die; 10, blanking channel; 11, cylinder two; 12, ejector pin; 13, recessed die; 14, injection port; 15, water tank; 16, water pump; 17, refrigerator; 18, conveying pipe; 19, return pipe; 20, cooling channel; 21, cylinder three; 22, mounting box; 23, motor box; 24, cleaning roller; 25, brush; 26, cylinder four. DETAILED DESCRIPTION

[0025] 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.

[0026] Reference Figure 2 , Figure 3 and Figure 5The utility model provides an embodiment: earphone shell injection moulding quick demoulding device, including frame 1, the top fixed connection of frame 1 has locating plate no. 3 and locating plate no. 4, the inside fixed connection of locating plate no. 3 and locating plate no. 4 has guide rod 5, the outside fixed connection of locating plate no. 4 has cylinder no. 6, the output fixed connection of cylinder no. 6 has linkage plate 7, the outside fixed connection of linkage plate 7 has cylinder no. 11, the outside fixed connection of cylinder no. 11 has male die 9, the inside sliding connection of male die 9 in guide rod 5's outside, the output fixed connection of cylinder no. 11 has thimble 12, thimble 12 slidingly connects in male die 9's inside, the outside fixed connection of locating plate no. 3 has female die 13, the inside of female die 13 is equipped with cooling channel 20, one end fixed connection of cooling channel 20 has delivery pipe 18, the other end fixed connection of delivery pipe 18 has the output of water pump 16, the input fixed connection of water pump 16 has water tank 15, the inside fixed connection of water tank 15 has refrigerator 17, the outside fixed connection of water tank 15 has backflow pipe 19, the other end fixed connection of backflow pipe 19 is in the other end of cooling channel 20.

[0027] Locating plate no. 3 and locating plate no. 4 are used to install and fix male die 9 and female die 13, guide rod 5 plays the role of guiding and limiting, cylinder no. 6 is used to drive linkage plate 7, linkage plate 7 drives male die 9 to carry out die closing operation through connecting rod 8, cylinder no. 11 is used to drive thimble 12, thimble 12 ejects earphone shell from male die 9, drives water pump 16 to extract cooling water in water tank 15, cooling water is transported through delivery pipe 18, then enters from the water inlet of female die 13, flows along preset cooling channel 20, absorbs heat in the flowing process, then flows out from the outlet of cooling channel 20, then returns to the inside of water tank 15 through backflow pipe 19, so that the temperature of mould can be quickly reduced, and the setting of refrigerator 17 can keep relatively stable cooling effect.

[0028] Referring to Figure 1 , Figure 3 and Figure 4 , the inside of frame 1 is equipped with blanking channel 10, the top of frame 1 is installed with machine cover 2, the top fixed connection of machine cover 2 has cylinder no. 3 21, the output fixed connection of cylinder no. 3 21 has installation box 22, the outside fixed connection of installation box 22 has cylinder no. 4 26, the output fixed connection of cylinder no. 4 26 has motor box 23, motor box 23 is slidingly connected in the inside of installation box 22, the output fixed connection of motor box 23 has cleaning roller 24, the outside fixed connection of cleaning roller 24 has brush 25.

[0029] The blanking channel 10 is used for guiding after demolding, the machine cover 2 is used for protecting the operator and the injection molding device, the mounting box 22 is used for mounting the cylinder four 26 and the motor box 23, the motor box 23 is used for mounting the motor, the motor is used for driving the cleaning roller 24 and the brush 25 to rotate, and the cleaning roller 24 and the brush 25 rotate, so that the inside of the female die 13 is cleaned.

[0030] With reference to Figure 2 , Figure 3 and Figure 5 , the linkage plate 7 is slidably connected outside the guide rod 5, the linkage plate 7 is connected with the male die 9 through the connecting rod 8, and the inside of the female die 13 is slidably connected outside the guide rod 5, and the inside of the female die 13 is provided with the injection port 14.

[0031] The linkage plate 7 is connected with the male die 9 through the connecting rod 8, and the cylinder two 11 is fixedly installed between the linkage plate 7 and the male die 9, the inside of the female die 13 and the positioning plate one 3 is provided with the injection port 14, and the injection port 14 is used for injecting liquid plastic.

[0032] Working principle: after the mold is closed and injection molding is completed, the water pump 16 drives the cooling water in the water tank 15 to be extracted, the cooling water is transported through the conveying pipe 18, then enters the water inlet of the female die 13, flows along the preset cooling channel 20, absorbs heat in the flowing process, then flows out from the outlet of the cooling channel 20, then returns to the inside of the water tank 15 through the backflow pipe 19, so that the mold temperature can be quickly reduced, and the setting of the refrigerator 17 can keep a relatively stable cooling effect, after cooling, the injection molding machine drives the male die 9 to separate from the female die 13, then the cylinder two 11 drives the ejector pin 12 to eject, the ejector pin 12 advances forward, pushes the earphone shell out of the mold core, so that the rapid demolding operation is realized, and the demolded product is collected through the blanking channel 10. After the injection molding and demolding are completed, the cylinder three 21 is driven to operate, the cylinder three 21 drives the mounting box 22 to move, when the mounting box 22 moves to the center of the female die 13, the cylinder three 21 is closed, at this time, the cylinder four 26 is driven to operate, the cylinder four 26 drives the motor box 23 to move in the inside of the mounting box 22, then the motor in the motor box 23 is driven to operate, and the motor drives the cleaning roller 24 and the brush 25 to clean the inside of the female die 13.

[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A device for rapid demolding of earphone shell injection molding, comprising a rack (1), characterized in that: The top of the rack (1) is fixedly connected with positioning plate one (3) and positioning plate two (4), the inside of positioning plate one (3) and positioning plate two (4) is fixedly connected with guide rod (5), the outside of positioning plate two (4) is fixedly connected with cylinder one (6), the output end of cylinder one (6) is fixedly connected with linkage plate (7), the outside of linkage plate (7) is fixedly connected with cylinder two (11), the outside of cylinder two (11) is fixedly connected with male die (9), the inside of male die (9) is slidably connected with the outside of guide rod (5), the output end of cylinder two (11) is fixedly connected with thimble (12), thimble (12) is slidably connected in the inside of male die (9), the outside of positioning plate one (3) is fixedly connected with female die (13).

2. The earphone shell injection molding quick demolding device according to claim 1, characterized in that: The inside of the female die (13) is provided with a cooling channel (20), one end of the cooling channel (20) is fixedly connected with a conveying pipe (18), the other end of the conveying pipe (18) is fixedly connected with the output end of the water pump (16), the input end of the water pump (16) is fixedly connected with the water tank (15), the inside of the water tank (15) is fixedly connected with the refrigerator (17), the outside of the water tank (15) is fixedly connected with the return pipe (19), the other end of the return pipe (19) is fixedly connected with the other end of the cooling channel (20).

3. The earphone shell injection molding quick demolding device according to claim 1, characterized in that: The inside of the rack (1) is provided with a discharging channel (10), the top of the rack (1) is provided with a machine cover (2).

4. The earphone shell injection molding quick demolding device according to claim 3, characterized in that: The top of the machine cover (2) is fixedly connected with cylinder three (21), the output end of cylinder three (21) is fixedly connected with mounting box (22).

5. The earphone shell injection molding quick demolding device according to claim 4, characterized in that: The outside of the mounting box (22) is fixedly connected with cylinder four (26), the output end of cylinder four (26) is fixedly connected with motor box (23).

6. The earphone shell injection molding quick demolding device according to claim 5, characterized in that: The inside of the motor box (23) is slidably connected with the mounting box (22), the output end of the motor box (23) is fixedly connected with cleaning roller (24), the outside of the cleaning roller (24) is fixedly connected with brush (25).

7. The earphone shell injection molding quick demolding device according to claim 1, characterized in that: The linkage plate (7) is slidably connected with the outside of the guide rod (5), the linkage plate (7) is connected with the male die (9) through the connecting rod (8).

8. The earphone shell injection molding quick demolding device according to claim 1, characterized in that: The inside of the female die (13) is slidably connected with the outside of the guide rod (5), the inside of the female die (13) is provided with injection port (14).

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