CN212372638U

CN212372638U - Thin-wall mobile phone shell injection molding structural part

Info

Publication number: CN212372638U
Application number: CN202020248166.6U
Authority: CN
Inventors: 陈清培
Original assignee: Dongguan Zealwin Electronic Co ltd
Current assignee: Dongguan Zealwin Electronic Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2021-01-19
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a thin-wall mobile phone shell injection molding structure, which comprises a bottom plate, a top plate, a movable mold seat and a fixed mold seat, and has simple and reasonable structural design, when in use, a motor drives a lead screw to rotate positively, so that a guide rail and the movable mold seat move leftwards, a connecting rod is matched with a circular groove to guide a mold, and the guide rod moves rightwards through an installation block and a second spring to absorb shock for the mold so as to prevent the mold from being closed under larger acting force; the external raw material supply device performs injection molding through the sprue bush and the sprue, the liquid pump cools an injection molding piece through a water inlet pipeline, so that the working efficiency of the mold is improved conveniently, and the cooling device cools cooling water, so that the cooling water is recycled conveniently; the motor drives the lead screw to rotate reversely, so that the movable die holder moves leftwards and compresses the first spring, the ejector rod moves rightwards, and the injection molding piece is automatically discharged.

Description

Thin-wall mobile phone shell injection molding structural part

Technical Field

The utility model relates to an injection molding technical field specifically is a thin wall cell phone case injection moulding structure spare.

Background

The mobile phone shell is the shell of the mobile phone, and the common plastic materials of the mobile phone shell mainly comprise PC, ABS and PC + ABS, and Japanese mobile phones mainly adopt PC + ABS and even ABS as the mobile phone shell; at present, the mobile phone shell is usually processed by injection molding, which is also called injection molding, and is a molding method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

When the existing thin-wall mobile phone shell injection molding structural part is used, the mold closing acting force is large, and the service life of a mold is easily influenced; the heat dissipation effect is poor, and the processing efficiency is low; inconvenient automatic discharging after injection moulding. Therefore, the injection molding structural member for the thin-wall mobile phone shell is provided by the technical personnel in the field, so as to solve the problems in the background technology.

Disclosure of Invention

An object of the utility model is to provide a thin wall cell phone case structure of moulding plastics to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a thin-wall mobile phone shell injection molding structural part comprises a bottom plate, a top plate, a movable mold base and a fixed mold base, wherein supporting plates are arranged on the left side and the right side of the upper end of the bottom plate respectively, and the top plate is arranged at the upper end of each supporting plate; a water storage tank is arranged on the left side of the upper end of the top plate, a liquid pump is arranged at the right end of the water storage tank, and a cooling device is arranged at the left end of the water storage tank; a motor is arranged in the center of the left end of the bottom plate, a lead screw is arranged on an output shaft of the motor, limiting rods are arranged on the front side and the rear side of the lead screw, guide rails are arranged on the lead screw and the limiting rods, a fixed block is arranged at the upper end of each guide rail, and a movable die holder is arranged at the upper end of each fixed block; a plurality of first springs are linearly distributed at the left end of the movable die holder, an installation plate is arranged at the left end of each first spring, ejector rods are arranged on the upper side and the lower side of the right end of the installation plate, and installation blocks are arranged at the right ends of the ejector rods; a movable die is arranged at the center of the right end of the movable die seat, a cavity is arranged at the center of the right end of the movable die, and circular grooves are formed in the upper side and the lower side of the right end of the movable die; a fixed die seat is arranged on the right side of the upper end of the bottom plate, and a sprue bush is arranged at the center of the right end of the fixed die seat; the die comprises a fixed die seat, a fixed die, a guide rod, an installation block and a connecting rod, wherein the fixed die is arranged at the center of the left end of the fixed die seat; the right end of the guide rod is provided with a stop block.

As a further aspect of the present invention: the front side and the rear side of the upper end of the movable die holder are respectively provided with a sliding rail, and the upper end of each sliding rail is fixedly connected with the top plate.

As a further aspect of the present invention: the upper end of the movable die is provided with a water inlet which is fixedly connected with the liquid pump through a pipeline; the lower end of the movable die is provided with a water outlet, and the water outlet is fixedly connected with the cooling device through a pipeline.

As a further aspect of the present invention: the connecting rod is matched with the inner circular groove of the movable die; the upper side and the lower side in the right supporting plate are both provided with through holes, and the through holes are matched with the stop blocks.

As a further aspect of the present invention: a second spring is arranged on the guide rod, and the left side and the right side of the second spring are respectively and fixedly connected with the mounting block and the fixed die base; the right end of the sprue bush is fixedly connected with an external raw material supply device through a pipeline.

As a further aspect of the present invention: the liquid pump, the cooling device and the motor are electrically connected with an external power supply through leads; the cooling device is model number CW 3000.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the during operation, motor drive lead screw corotation makes guide rail, movable mould seat move to the left, and the connecting rod cooperatees with circular recess and leads to the mould, moves right through installation piece, second spring, carries out the shock attenuation to the mould to effort is great when preventing the compound die, causes the influence to the life of mould.

2. The utility model discloses the during operation, outside raw materials feeding device moulds plastics through runner cover and runner, and the drawing liquid pump cools off the injection molding through inlet channel, is convenient for improve the work efficiency of mould, and cooling device cools off the cooling water, the cyclic utilization of the cooling water of being convenient for, water economy resource.

3. The utility model discloses the during operation, the motor drives the lead screw reversal, makes the movable mould base remove left, compresses first spring to make the ejector pin remove right, carry out the automatic discharging to the injection molding.

Drawings

Fig. 1 is a schematic structural diagram of an injection molding structural member of a thin-wall mobile phone shell.

Fig. 2 is a schematic structural diagram of a left side view of a support plate in an injection molding structural member of a thin-wall mobile phone shell.

In the figure: the device comprises a bottom plate 1, a supporting plate 2, a top plate 3, a water storage tank 4, a liquid pump 5, a cooling device 6, a motor 7, a screw rod 8, a guide rail 9, a movable mold base 10, a movable mold 11, a first spring 12, a mounting plate 13, a push rod 14, a fixed mold base 15, a sprue bush 16, a fixed mold 17, a mounting groove 18, a guide rod 19, a mounting block 20, a connecting rod 21, a second spring 22, a stop block 23 and a through hole 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, an injection molding structure for a thin-wall mobile phone shell includes a bottom plate 1, a top plate 3, a movable mold base 10 and a fixed mold base 15, wherein support plates 2 are respectively disposed on left and right sides of an upper end of the bottom plate 1, and the top plate 3 is disposed on an upper end of each support plate 2; a water storage tank 4 is arranged on the left side of the upper end of the top plate 3, a liquid pump 5 is arranged at the right end of the water storage tank 4, and a cooling device 6 is arranged at the left end of the water storage tank 4; a motor 7 is arranged at the center of the left end of the bottom plate 1, a screw rod 8 is arranged on an output shaft of the motor 7, limiting rods are arranged on the front side and the rear side of the screw rod 8, guide rails 9 are arranged on the screw rod 8 and the limiting rods, a fixed block is arranged at the upper end of each guide rail 9, and a movable die holder 10 is arranged at the upper end of each fixed block; a plurality of first springs 12 are linearly distributed at the left end of the movable die holder 10, an installation plate 13 is arranged at the left end of each first spring 12, ejector rods 14 are arranged on the upper side and the lower side of the right end of the installation plate 13, and an installation block is arranged at the right end of each ejector rod 14; a movable die 11 is arranged at the center of the right end of the movable die holder 10, a die cavity is arranged at the center of the right end of the movable die 11, and circular grooves are formed in the upper side and the lower side of the right end of the movable die 11; a fixed die holder 15 is arranged on the right side of the upper end of the bottom plate 1, and a sprue bush 16 is arranged in the center of the right end of the fixed die holder 15; a fixed die 17 is arranged at the center of the left end of the fixed die holder 15, mounting grooves 18 are formed in the upper end and the lower end of the fixed die holder 15, a guide rod 19 is arranged in each mounting groove 18, an installation block 20 is arranged at the left end of each guide rod 19, and a connecting rod 21 is arranged at the center of the left end of each installation block 20; the right end of the guide rod 19 is provided with a stop 23.

Slide rails are arranged on the front side and the rear side of the upper end of the movable die holder 10, and the upper ends of the slide rails are fixedly connected with the top plate 3.

The upper end of the movable mold 11 is provided with a water inlet which is fixedly connected with the liquid pump 5 through a pipeline; the lower end of the movable mold 11 is provided with a water outlet, and the water outlet is fixedly connected with the cooling device 6 through a pipeline.

The connecting rod 21 is matched with the inner circular groove of the movable die 11; through holes 24 are formed in the upper side and the lower side of the right supporting plate 2, and the through holes 24 are matched with the stop blocks 23.

A second spring 22 is arranged on the guide rod 19, and the left side and the right side of the second spring 22 are respectively and fixedly connected with the mounting block 20 and the fixed die holder 15; the right end of the sprue bush 16 is fixedly connected with an external raw material supply device through a pipeline.

The liquid pump 5, the cooling device 6 and the motor 7 are electrically connected with an external power supply through leads; the cooling device 6 is of the type CW 3000.

The utility model discloses a theory of operation is:

the utility model relates to a thin-wall mobile phone shell injection molding structure, during operation, the motor 7 drives the lead screw 8 to rotate positively, so that the guide rail 9 and the movable mold base 10 move leftwards, the connecting rod 21 is matched with the circular groove to guide the mold, and moves rightwards through the mounting block 20 and the second spring 22, so as to absorb shock to the mold, thereby preventing the action force from being larger during mold closing and influencing the service life of the mold; the external raw material supply device performs injection molding through the sprue bush 16 and the sprue, the liquid pump 5 cools an injection molded part through a water inlet pipeline, so that the working efficiency of the mold is improved conveniently, the cooling device 6 cools cooling water, the cooling water is recycled conveniently, and water resources are saved; the motor 7 drives the screw rod 8 to rotate reversely, so that the movable die holder 10 moves leftwards to compress the first spring 12, the ejector rod 14 moves rightwards, and the injection molding piece is automatically discharged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The injection molding structure of the thin-wall mobile phone shell comprises a bottom plate (1), a top plate (3), a movable mold base (10) and a fixed mold base (15), and is characterized in that supporting plates (2) are arranged on the left side and the right side of the upper end of the bottom plate (1), and the top plate (3) is arranged at the upper end of each supporting plate (2); a water storage tank (4) is arranged on the left side of the upper end of the top plate (3), a liquid pump (5) is arranged at the right end of the water storage tank (4), and a cooling device (6) is arranged at the left end of the water storage tank (4); a motor (7) is arranged at the center of the left end of the bottom plate (1), a screw rod (8) is arranged on an output shaft of the motor (7), limiting rods are arranged on the front side and the rear side of the screw rod (8), guide rails (9) are arranged on the screw rod (8) and the limiting rods, a fixed block is arranged at the upper end of each guide rail (9), and a movable die holder (10) is arranged at the upper end of each fixed block; a plurality of first springs (12) are linearly distributed at the left end of the movable die holder (10), an installation plate (13) is arranged at the left end of each first spring (12), ejector rods (14) are arranged on the upper side and the lower side of the right end of the installation plate (13), and installation blocks are arranged at the right ends of the ejector rods (14); a movable mold (11) is arranged at the center of the right end of the movable mold base (10), a cavity is arranged at the center of the right end of the movable mold (11), and circular grooves are formed in the upper side and the lower side of the right end of the movable mold (11); a fixed die holder (15) is arranged on the right side of the upper end of the bottom plate (1), and a sprue bush (16) is arranged in the center of the right end of the fixed die holder (15); a fixed die (17) is arranged at the center of the left end of the fixed die holder (15), mounting grooves (18) are formed in the upper end and the lower end of the fixed die holder (15), a guide rod (19) is arranged in each mounting groove (18), a mounting block (20) is arranged at the left end of each guide rod (19), and a connecting rod (21) is arranged at the center of the left end of each mounting block (20); the right end of the guide rod (19) is provided with a stop block (23).

2. The injection molding structural member of the thin-wall mobile phone shell as claimed in claim 1, wherein sliding rails are disposed on the front and rear sides of the upper end of the movable mold base (10), and the upper end of the sliding rails is fixedly connected with the top plate (3).

3. The injection molding structural member of the thin-wall mobile phone shell as claimed in claim 1, wherein a water inlet is arranged at the upper end of the movable mold (11), and the water inlet is fixedly connected with the liquid pump (5) through a pipeline; the lower end of the movable mold (11) is provided with a water outlet, and the water outlet is fixedly connected with the cooling device (6) through a pipeline.

4. The injection molding structural member of the thin-wall mobile phone shell as claimed in claim 1, wherein the connecting rod (21) is matched with an inner circular groove of the movable mold (11); through holes (24) are formed in the upper side and the lower side of the right support plate (2), and the through holes (24) are matched with the stop blocks (23).

5. The injection molding structure of the thin-wall mobile phone shell according to claim 1, wherein a second spring (22) is arranged on the guide rod (19), and the left side and the right side of the second spring (22) are respectively and fixedly connected with the mounting block (20) and the fixed die holder (15); the right end of the sprue bush (16) is fixedly connected with an external raw material supply device through a pipeline.

6. The injection molding structure of the thin-wall mobile phone shell according to claim 1, wherein the liquid pump (5), the cooling device (6) and the motor (7) are electrically connected with an external power supply through wires; the cooling device (6) is of the type CW 3000.