CN215203220U

CN215203220U - Mobile phone mold convenient for heat dissipation

Info

Publication number: CN215203220U
Application number: CN202121346288.XU
Authority: CN
Inventors: 段常娥
Original assignee: Songjia Precision Technology Dongguan Co ltd
Current assignee: Songjia Precision Technology Dongguan Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-12-17
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a mobile phone mold convenient for heat dissipation, which belongs to the field of mobile phone molds and aims to solve the problems that the heat dissipation efficiency of the existing mobile phone mold is lower, the curing molding time is longer, and the demolding is inconvenient after the curing molding, thereby reducing the production efficiency; through the arrangement of the first air blowing device, the second air blowing device and the blocking net, air can be uniformly blown up and down of the injection molding piece in the injection stage, and auxiliary demolding is carried out, so that the injection molding piece is prevented from being tightly attached to an upper mold or a cavity, auxiliary heat dissipation can be carried out, the waste heat of the injection molding piece is blown away, and the curing molding time is shortened; through water cooling plant's setting, can close at the injection raw materials stage, avoid the radiating rate too fast and make the too early solidification of raw materials, influence the shaping quality of injection molding, open at the solidification shaping stage, water can evenly absorb the heat of injection molding, dispel the heat fast to it, improve the solidification shaping speed of injection molding, reduce the solidification shaping time, can realize the circulation heat dissipation simultaneously, improve the radiating effect.

Description

Mobile phone mold convenient for heat dissipation

Technical Field

The utility model relates to a mobile phone mold field specifically is a convenient radiating mobile phone mold.

Background

An injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, heated and melted raw materials are injected into a cavity by an injection mechanism, and after cooling and solidification, a formed product is obtained, along with the progress and development of science and technology, a mobile phone gradually becomes an essential tool in daily life, a rear shell of the mobile phone can play a role in protecting parts inside the mobile phone, most of the existing mobile phone rear shells use corresponding mobile phone molds and complete the forming of the mobile phone rear shells in an injection mode, the mobile phone molds also have corresponding injection molding mechanisms for mold closing and material injection, a nozzle of the injection molding mechanisms is generally positioned above the molds, in the injection molding process of the mobile phone rear shells, the raw materials need to be cooled and radiated in the stage of injecting the raw materials, the radiation rate in the stage cannot be too fast, otherwise, the raw materials can be solidified too early, the forming quality of the mobile phone rear shell is influenced, and in the mobile phone rear shell curing and forming stage, the mobile phone mold needs to be rapidly cooled, so that the mobile phone rear shell curing and forming speed is improved, however, the existing mobile phone mold is low in cooling efficiency, long in curing and forming time, and inconvenient to demould after curing and forming, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a mobile phone mold convenient for heat dissipation, which adopts the technical scheme that the mobile phone mold comprises an upper mold and a lower mold, wherein the lower mold is arranged below the upper mold, the upper surface of the upper mold is fixedly connected with a feeding pipe, the lower surface of the upper mold is provided with an injection hole, raw materials can be conveniently and smoothly injected into a cavity through the arrangement of the feeding pipe and the injection hole, a first air blowing device is arranged inside the upper mold, air can be blown to the upper part of an injection molding piece when the upper mold is lifted after injection molding is completed through the arrangement of the first air blowing device, auxiliary demolding is carried out, so that the injection molding piece is prevented from being tightly attached to the upper mold, meanwhile, auxiliary heat dissipation can be carried out, the waste heat of the injection molding piece is blown away, the curing and forming time is shortened, the upper surface of the lower mold is provided with a cavity, and positioning rods are arranged on two sides of the cavity, the top of the positioning rod is fixedly connected with a limiting block, the upper mold can be limited and positioned through the arrangement of the positioning rod and the limiting block, the integrity of an injection molding piece is ensured, the upper mold is prevented from deviating in the mold closing process, the upper mold is connected with the positioning rod in a sliding manner, the lower mold is internally provided with a second air blowing device, the bottom of the injection molding piece can be blown through the arrangement of the second air blowing device, auxiliary demolding is carried out, the injection molding piece is conveniently taken out, meanwhile, auxiliary heat dissipation can be carried out, waste heat is blown away, the curing forming speed is improved, the air outlet ends of the first air blowing device and the second air blowing device are both provided with a blocking net, the blockage caused by the raw materials entering the first air blowing device and the second air blowing device can be avoided through the arrangement of the blocking net, the water cooling device is arranged below the second air blowing device, can close at the injection raw materials stage, avoid the radiating rate too fast and make the too early solidification of raw materials, influence the shaping quality of injection molding, open at the solidification shaping stage, evenly absorb the heat of injection molding, dispel the heat fast to it, improve the solidification shaping speed of injection molding, reduce the solidification shaping time.

As an optimal technical scheme of the utility model, first device of blowing includes first air pump, first gas transmission house steward and first gas transmission branch pipe, the first air pump of last fixed surface of going up the mould, the inside that the bottom of first air pump is located the mould is provided with first gas transmission house steward, the first gas transmission branch pipe of bottom fixedly connected with of first gas transmission house steward, through the setting of first air pump, first gas transmission house steward and first gas transmission branch pipe, can open first air pump when the mould rises in the completion of moulding plastics, first gas transmission branch pipe blows on injection molding, assists the drawing of patterns to avoid the injection molding to tightly adhere to on last mould, can assist the heat dissipation simultaneously, blow away the waste heat of injection molding, reduce the solidification shaping time.

As a preferred technical scheme of the utility model, second gas blowing device includes second air pump, second gas transmission house steward and second gas transmission branch pipe, the inside of bed die is provided with the second air pump, the equal fixedly connected with second gas transmission house steward in both ends of second air pump, the top fixedly connected with second gas transmission branch pipe of second gas transmission house steward, through the setting of second air pump, second gas transmission house steward and second gas transmission branch pipe, can utilize second air pump and second gas transmission branch pipe to blow to the bottom of injection molding, assist the drawing of patterns, conveniently take out the injection molding, can assist the heat dissipation simultaneously, blow away the waste heat, improve the solidification rate.

As an optimal technical scheme of the utility model, the shelves net sets up first gas transmission branch pipe with the end of giving vent to anger of second gas transmission branch pipe through the setting of shelves net, can avoid unnecessary raw materials to get into the inside of first gas transmission branch pipe and second gas transmission branch pipe and cause the jam.

As a preferred technical scheme of the utility model, the water cooling device comprises a water storage tank, a collecting box, a micro water pump, a snake-shaped water pipe and a return pipe, the lower die is internally provided with the water storage tank and the collecting box, the tops of the water storage tank and the collecting box are communicated through the snake-shaped water pipe, one end of the snake-shaped water pipe is positioned at the top of the water storage tank and is provided with the micro water pump, the bottoms of the water storage tank and the collecting box are communicated through the return pipe, the micro water pump can be closed in the raw material injection stage through the arrangement of the water storage tank, the collecting box, the micro water pump, the snake-shaped water pipe and the return pipe, the situation that the raw material is cured too early due to the too high heat dissipation rate is avoided, the molding quality of injection molding is influenced, the micro water pump is opened in the curing molding stage, the water in the snake-shaped water pipe can uniformly absorb the heat of the injection molding, the heat dissipation is carried out quickly, and the curing molding rate of the injection molding is improved, the curing and molding time is reduced, and meanwhile, the circulating heat dissipation can be realized.

As the utility model discloses a preferred technical scheme, the inlet pipe communicates with the injection port in the inside of last mould, through the setting of inlet pipe and injection port, can guarantee going on smoothly of injection work.

As a preferred technical scheme of the utility model, the locating hole has been seted up to the inside of going up the mould, the front of bed die is provided with the water filling port, and through the setting of locating hole and water filling port, the locating hole can conveniently go up the mould and follow the directional removal of locating lever, and the water in the storage water tank can conveniently in time be changed to the water filling port.

The utility model has the advantages that: the utility model can uniformly blow the injection molding piece up and down by utilizing the first blowing device and the second blowing device in the injection stage through the matching arrangement of the first blowing device, the second blowing device and the blocking net, so as to assist in demolding, thereby preventing the injection molding piece from being tightly attached to an upper mold or a cavity, and simultaneously performing auxiliary heat dissipation, blowing away the waste heat of the injection molding piece and reducing the curing molding time; through water cooling plant's setting, can close at the injection raw materials stage, avoid the radiating rate too fast and make the too early solidification of raw materials, influence the shaping quality of injection molding, open at the solidification shaping stage, water can evenly absorb the heat of injection molding, dispel the heat fast to it, improve the solidification shaping speed of injection molding, reduce the solidification shaping time, can realize the circulation heat dissipation simultaneously, improve the radiating effect.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the sectional structure of the working state of the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the lower mold according to the present invention;

fig. 5 is an enlarged schematic view of the a position of the present invention.

In the figure: 1-upper die, 2-lower die, 3-feeding pipe, 4-injection hole, 5-first air blowing device, 501-first air pump, 502-first air conveying main pipe, 503-first air conveying branch pipe, 6-cavity, 7-positioning rod, 8-limiting block, 9-second air blowing device, 901-second air pump, 902-second air conveying main pipe, 903-second air conveying branch pipe, 10-blocking net, 11-water cooling device, 1101-water storage tank, 1102-collecting box, 1103-micro water pump, 1104-snake water conveying pipe, 1105-return pipe, 12-positioning hole and 13-water injection hole.

Detailed Description

Example 1

As shown in fig. 1 to 5, the utility model discloses a mobile phone mold convenient for heat dissipation, which adopts the technical scheme that the mobile phone mold comprises an upper mold 1 and a lower mold 2, wherein the lower mold 2 is arranged below the upper mold 1, a feed pipe 3 is fixedly connected with the upper surface of the upper mold 1, an injection hole 4 is arranged on the lower surface of the upper mold 1, when raw materials are injected, the upper mold 1 moves downwards to press the lower mold 2, the raw materials in the feed pipe 3 flow out from the injection hole 4 to fill the whole cavity 6, a first air blowing device 5 is arranged inside the upper mold 1, after the injection is completed, the first air blowing device 5 is opened to blow air on the upper part of an injection molding piece for auxiliary demolding, thereby preventing the injection molding piece from being tightly attached to the upper mold 1, simultaneously performing auxiliary heat dissipation, blowing away the residual heat of the injection molding piece, reducing the curing molding time, the cavity 6 is arranged on the upper surface of the lower mold 2, positioning rods 7 are arranged on two sides of the cavity 6, limiting blocks 8 are fixedly connected to the tops of the positioning rods 7, the positioning rods 7 and the limiting blocks 8 limit and position the upper mold 1 in the process that the upper mold 1 moves downwards to tightly press the lower mold 2, the integrity of an injection molding piece is guaranteed, the upper mold 1 is prevented from deviating in the mold closing process, the upper mold 1 is in sliding connection with the positioning rods 7, a second air blowing device 9 is arranged in the lower mold 2, after injection is completed, the second air blowing device 9 is opened to blow the bottom of the injection molding piece for auxiliary demolding, the injection molding piece is convenient to take out, auxiliary heat dissipation can be carried out at the same time, waste heat is blown away, the curing forming speed is improved, the air outlet ends of the first air blowing device 5 and the second air blowing device 9 are both provided with baffle nets 10, and when the first air blowing device 5 and the second air blowing device 9 blow air, the baffle 10 can prevent raw materials from entering the interiors of the first air blowing device and the second air blowing device to cause blockage, the water cooling device 11 is arranged below the second air blowing device 9, the water cooling device 11 is closed in the raw material injection stage, the phenomenon that the heat dissipation rate is too high to cause the raw material to be cured too early and influence the molding quality of the injection molding piece is avoided, the water cooling device 11 is opened in the curing molding stage, the heat of the injection molding piece is uniformly absorbed, the heat of the injection molding piece is rapidly dissipated, the curing molding rate of the injection molding piece is improved, the curing molding time is shortened, and the circular heat dissipation is realized.

As an optimal technical scheme of the utility model, first blowing device 5 includes first air pump 501, first gas transmission house steward 502 and first gas transmission branch pipe 503, the first air pump 501 of last fixed surface of last mould 1, the inside that first air pump 501's bottom is located mould 1 is provided with first gas transmission house steward 502, the first gas transmission branch pipe 503 of bottom fixedly connected with of first gas transmission house steward 502, when the injection is accomplished the back, opens first air pump 501, and first gas transmission branch pipe 503 blows to the upper portion of injection molding, assists the drawing of patterns to avoid the injection molding to tightly attach on last mould 1, can assist the heat dissipation simultaneously, blow away the waste heat of injection molding, reduce the solidification shaping time.

As a preferred technical scheme of the utility model, second gas blowing device 9 includes second air pump 901, second gas transmission house steward 902 and second gas transmission branch pipe 903, the inside of bed die 2 is provided with second air pump 901, the equal fixedly connected with second gas transmission house steward 902 in both ends of second air pump 901, the top fixedly connected with second gas transmission house steward 902's the gas transmission branch pipe 903 of second gas transmission house steward 902, after the injection is accomplished, open second air pump 901, second gas transmission branch pipe 903 blows to the bottom of injection molding, assists the drawing of patterns, conveniently takes out the injection molding, can assist the heat dissipation simultaneously, blows away the waste heat, improves curing and shaping speed.

As an optimal technical solution of the present invention, the blocking net 10 is disposed between the first gas transmission branch pipe 503 and the gas outlet end of the second gas transmission branch pipe 903, when the injection molding member is blown to dissipate heat, the blocking net 10 can prevent the redundant raw material from entering the first gas transmission branch pipe 503 and the second gas transmission branch pipe 903 and causing blockage.

As a preferred technical scheme of the utility model, the water cooling device 11 includes a water storage tank 1101, a collection box 1102, a micro water pump 1103, a serpentine conduit 1104 and a return pipe 1105, the inside of the lower mold 2 is provided with the water storage tank 1101 and the collection box 1102, the tops of the water storage tank 1101 and the collection box 1102 are communicated through the serpentine conduit 1104, one end of the serpentine conduit 1104 is positioned at the top of the water storage tank 1101 and is provided with the micro water pump 1103, the bottoms of the water storage tank 1101 and the collection box 1102 are communicated through the return pipe 1105, the micro water pump 1103 is closed in the raw material injection stage to avoid the too fast heat dissipation rate to cause the premature solidification of the raw material, which affects the molding quality of the injection molding, the micro water pump 1103 is opened in the curing molding stage, the water in the serpentine conduit 1104 can uniformly absorb the heat of the injection molding, the heat dissipation is rapidly carried out, the curing molding rate of the injection molding is improved, and the curing molding time is shortened, meanwhile, the circulating heat dissipation can be realized.

As an optimized technical scheme of the utility model, inlet pipe 3 communicates with injection orifice 4 in the inside of last mould 1, and when injecting the raw materials, inlet pipe 3 and injection orifice 4 guarantee going on smoothly of injection work.

As an optimal technical scheme of the utility model, locating hole 12 has been seted up to the inside of going up mould 1, the front of bed die 2 is provided with water filling port 13, and mould 1 is followed locating lever 7 directional removal in the in-process locating hole 12 assurance of compound die, and water in storage water tank 1101 can conveniently in time be changed to water filling port 13.

The utility model discloses a theory of operation: firstly, an upper die 1 is moved downwards to be tightly pressed on a lower die 2 to carry out die assembly, in the process that the upper die 1 is moved downwards to be tightly pressed on the lower die 2, a positioning rod 7 and a limiting block 8 carry out limiting positioning on the upper die 1 to ensure the integrity of an injection molding piece, a positioning hole 12 ensures that the upper die 1 moves directionally along the positioning rod 7, then raw materials in a feeding pipe 3 flow out of an injection hole 4 to fill the whole cavity 6, when the raw materials are injected, the feeding pipe 3 and the injection hole 4 ensure the smooth injection work, after the injection is finished, a first air pump 501 and a second air pump 901 are started, a first air conveying branch pipe 503 and a second air conveying branch pipe 903 blow air to the upper part and the lower part of the injection molding piece simultaneously to carry out auxiliary die stripping, thereby preventing the injection molding piece from being tightly attached to the upper die 1 or the cavity 6 and simultaneously carrying out auxiliary heat dissipation, blowing away the residual heat of the injection molding piece, reducing the curing molding time and improving the curing molding speed, when the injection molding piece is blown to dissipate heat, the blocking net 10 can prevent redundant raw materials from entering the inside of the first air delivery branch pipe 503 and the second air delivery branch pipe 903 and causing blockage, the micro water pump 1103 is closed in the raw material injection stage, the phenomenon that the raw materials are cured too early due to too high heat dissipation rate is avoided, the molding quality of the injection molding piece is influenced, the micro water pump 1103 is opened in the curing molding stage, the water in the snake-shaped water delivery pipe 1104 can uniformly absorb the heat of the injection molding piece and dissipate heat quickly, the curing molding rate of the injection molding piece is improved, the curing molding time is shortened, meanwhile, the circulation heat dissipation can be realized, and the water in the water storage tank 1101 can be conveniently and timely replaced by the water injection port 13.

The circuit connection of the present invention is a conventional method adopted by those skilled in the art, and can be suggested by limited tests, which belongs to the common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides a convenient radiating mobile phone mold, includes mould (1) and bed die (2), the below of going up mould (1) is provided with bed die (2), its characterized in that: go up last fixed surface of mould (1) and be connected with inlet pipe (3), injection hole (4) have been seted up to the lower surface of going up mould (1), the inside of going up mould (1) is provided with first gas blowing device (5), die cavity (6) have been seted up to the upper surface of bed die (2), the both sides of die cavity (6) all are provided with locating lever (7), the top fixedly connected with stopper (8) of locating lever (7), go up mould (1) and locating lever (7) sliding connection, the inside of bed die (2) is provided with second gas blowing device (9), the end of giving vent to anger of first gas blowing device (5) and second gas blowing device (9) all is provided with shelves net (10), the below of second gas blowing device (9) is provided with water cooling plant (11).

2. The mobile phone mold convenient for heat dissipation according to claim 1, wherein: the first air blowing device (5) comprises a first air pump (501), a first air conveying main pipe (502) and a first air conveying branch pipe (503), wherein the first air pump (501) is fixedly connected to the upper surface of the upper die (1), the first air conveying main pipe (502) is arranged in the upper die (1) at the bottom of the first air pump (501), and the first air conveying branch pipe (503) is fixedly connected to the bottom of the first air conveying main pipe (502).

3. The mobile phone mold convenient for heat dissipation according to claim 2, wherein: the second air blowing device (9) comprises a second air pump (901), a second air conveying main pipe (902) and a second air conveying branch pipe (903), the second air pump (901) is arranged inside the lower die (2), the two ends of the second air pump (901) are fixedly connected with the second air conveying main pipe (902), and the top of the second air conveying main pipe (902) is fixedly connected with the second air conveying branch pipe (903).

4. The mobile phone mold convenient for heat dissipation according to claim 3, wherein: the blocking net (10) is arranged at the air outlet ends of the first air transmission branch pipe (503) and the second air transmission branch pipe (903).

5. The mobile phone mold convenient for heat dissipation according to claim 1, wherein: the water cooling device (11) comprises a water storage tank (1101), a collection box (1102), a micro water pump (1103), a snake-shaped water conveying pipe (1104) and a return pipe (1105), wherein the water storage tank (1101) and the collection box (1102) are arranged inside the lower die (2), the tops of the water storage tank (1101) and the collection box (1102) are communicated through the snake-shaped water conveying pipe (1104), the micro water pump (1103) is arranged at the top of the water storage tank (1101) at one end of the snake-shaped water conveying pipe (1104), and the bottoms of the water storage tank (1101) and the collection box (1102) are communicated through the return pipe (1105).

6. The mobile phone mold convenient for heat dissipation according to claim 1, wherein: the feeding pipe (3) is communicated with the injection hole (4) in the upper die (1).

7. The mobile phone mold convenient for heat dissipation according to claim 1, wherein: the inner part of the upper die (1) is provided with a positioning hole (12), and the front surface of the lower die (2) is provided with a water injection port (13).