CN215320073U - Battery cover micro-nano texture forming die - Google Patents

Abstract

The utility model discloses a battery cover micro-nano texture forming die which comprises a die frame, a lower die holder, an upper die holder, a first driving mechanism, a telescopic ejector rod, an inner insert, a connecting rod and a second driving mechanism, wherein the upper die holder is arranged on the die frame; the die carrier comprises a base and a portal frame arranged on the base; the lower die base is fixed on the base, a lower cooling runner is arranged in the lower die base, a lower control valve is arranged at an input port of the lower cooling runner, and the lower control valve is positioned at the outer side of the lower die base; through the detachable erection joint in bottom with connecting rod and interior mold insert, can receive the texture demand according to the difference and select different interior mold inserts a little, when the battery cover is changed and is received the texture a little, need not whole change forming die, efficiency has effectively been improved, and greatly reduced the cost, and, set up flexible ejector pin and second actuating mechanism through the cooperation, utilize flexible ejector pin and second actuating mechanism to be ejecting respectively with the battery cover from upper die base and die holder, so that the operator takes out, thereby bring very big convenience for the production operation.

Description

Battery cover micro-nano texture forming die

Technical Field

The utility model relates to the technical field of forming dies, in particular to a micro-nano texture forming die for a battery cover.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the heated and melted plastic is injected into a mold cavity from an injection molding machine at high pressure, and a molded product is obtained after cooling and solidification. The injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the device can be divided into a movable type and a fixed type according to the loading and unloading mode.

In order to make the mobile phone battery cover beautiful, the outer surface of the existing mobile phone battery cover is provided with a micro-nano texture structure, the existing mobile phone battery cover forming mold usually directly manufactures micro-nano textures on the inner wall of a mold cavity, so that the formed mobile phone battery cover has the micro-nano texture structure, although the micro-nano textures can be formed on the mobile phone battery cover by the method, when the micro-nano textures of different styles need to be replaced, the forming mold needs to be integrally replaced, the efficiency is low, the cost is high, in addition, the existing mold for forming the mobile phone battery cover is not provided with an ejection mechanism, the mobile phone battery cover is difficult to take out after being formed, and the inconvenience is brought to production operation. Therefore, there is a need to develop a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects in the prior art, and a main object of the present invention is to provide a battery cover micro-nano texture forming mold, which can effectively solve the problem that the existing forming mold of a mobile phone battery cover needs to replace the whole mold when replacing micro-nano textures and has no ejection mechanism, which causes inconvenience in production operation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a battery cover micro-nano texture forming die comprises a die frame, a lower die holder, an upper die holder, a first driving mechanism, a telescopic ejector rod, an inner insert, a connecting rod and a second driving mechanism; the die carrier comprises a base and a portal frame arranged on the base; the lower die base is fixed on the base, a lower cooling runner is arranged in the lower die base, a lower control valve is installed at an input port of the lower cooling runner, the lower control valve is located on the outer side of the lower die base, a concave cavity is concavely arranged on the upper surface of the lower die base, a concave position is concavely arranged on the bottom surface of the concave cavity, a guide hole is formed in the bottom surface of the concave position, and the guide hole penetrates through the lower surface of the lower die base; the upper die base is movably arranged right above the lower die base up and down, a die cavity matched with the mobile phone battery cover is formed between the upper die base and the lower die base in a surrounding manner, a pouring hole communicated with the die cavity is formed in the upper die base, an upper cooling runner is arranged in the upper die base, an input port of the upper cooling runner is provided with an upper control valve, and the upper control valve is positioned on the outer side of the upper die base; the first driving mechanism is arranged on the portal frame and drives the upper die holder to move up and down; the telescopic ejector rod is fixed on the portal frame and extends downwards into the die cavity; the inner insert can be movably embedded in the concave position up and down, and a micro-nano texture layer is formed on the upper surface of the inner insert; the connecting rod is detachably connected with the bottom of the inner insert and is positioned in the guide hole; the second driving mechanism is arranged on the base and drives the connecting rod to move up and down along the guide hole.

As a preferred scheme, the bottom of base is equipped with the shrinkage pool in the recess, and this second actuating mechanism is the cylinder, and it inlays in the shrinkage pool.

Preferably, the center of the bottom of the inner insert is provided with a screw hole, and the upper end of the connecting rod is screwed with the screw hole to be fixedly connected.

As a preferred scheme, a plurality of through holes are formed in the upper surface and the lower surface of the upper die base in a penetrating mode, the through holes are evenly distributed and communicated with the die cavity, the telescopic ejector rods are multiple and are located in the corresponding through holes respectively and are fixedly connected with the portal frame in a detachable mode.

As a preferable scheme, the first driving mechanism is an electric telescopic rod.

Preferably, the gantry is detachably mounted on the base.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:

through the detachable erection joint in bottom with connecting rod and interior mold insert, can receive the texture demand according to the difference and select different interior mold inserts a little, when the battery cover is changed and is received the texture a little, need not whole change forming die, efficiency has effectively been improved, and greatly reduced the cost, and, set up flexible ejector pin and second actuating mechanism through the cooperation, utilize flexible ejector pin and second actuating mechanism to be ejecting respectively with the battery cover from upper die base and die holder, so that the operator takes out, thereby bring very big convenience for the production operation.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic partial cross-sectional view of a preferred embodiment of the present invention;

FIG. 2 is another partial cross-sectional view of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. die carrier 11, base

12. Portal frame 101, shrinkage pool

20. Lower die holder 21 and lower cooling runner

22. Lower control valve 23, cavity

24. Concave position 25, guide hole

30. Upper die holder 31 and upper cooling runner

32. Upper control valve 33, through hole

301. Mold cavity 302, pour hole

40. First driving mechanism 50 and telescopic ejector rod

60. Inner insert 61 and micro-nano texture layer

62. Screw hole 70 and connecting rod

80. A second drive mechanism.

Detailed Description

Referring to fig. 1 and 2, a detailed structure of a preferred embodiment of the present invention is shown, which includes a mold frame 10, a lower mold base 20, an upper mold base 30, a first driving mechanism 40, a telescopic rod 50, an inner insert 60, a connecting rod 70, and a second driving mechanism 80.

The mold frame 10 comprises a base 11 and a portal frame 12 arranged on the base 11; in this embodiment, a concave hole 101 is concavely formed at the bottom of the base 11, and the gantry 12 is detachably mounted on the base 11.

This die holder 20 is fixed in on the base 11, is provided with down cooling runner 21 in the die holder 20, and control valve 22 is installed down to this lower cooling runner 21's input port, and this lower control valve 22 is located the outside of die holder 20, and the concave cavity 23 that is equipped with of the upper surface of die holder 20, and the concave position 24 that is equipped with in the bottom surface of this cavity 23, and guiding hole 25 has been seted up to the bottom surface of this concave position 24, and this guiding hole 25 runs through to the lower surface of die holder 20.

The upper die base 30 is movably arranged right above the lower die base 20 up and down, a die cavity 301 matched with a mobile phone battery cover is formed between the upper die base 30 and the lower die base 20 in a surrounding mode, a pouring hole 302 communicated with the die cavity 301 is formed in the upper die base 30, an upper cooling runner 31 is arranged in the upper die base 30, an upper control valve 32 is installed at an input port of the upper cooling runner 31, and the upper control valve 32 is located on the outer side of the upper die base 30.

The first driving mechanism 40 is arranged on the portal frame 12 and drives the upper die holder 30 to move up and down; in this embodiment, the first driving mechanism 40 is an electric telescopic rod, and the first driving mechanism 40 is provided in two left and right.

The telescopic ejector rod 50 is fixed on the portal frame 12 and extends downwards into the die cavity 301; in this embodiment, a plurality of through holes 33 are formed through the upper surface and the lower surface of the upper die holder 30, the through holes 33 are uniformly distributed and all communicate with the die cavity 301, and the plurality of telescopic ejector rods 50 are respectively located in the corresponding through holes 33 and all detachably and fixedly connected with the portal frame 12.

The inner embedded piece 60 can be movably embedded in the concave position 24 up and down, and a micro-nano texture layer 61 is formed on the upper surface of the inner embedded piece 60; the connecting rod 70 is detachably connected with the bottom of the inner insert 60 and is positioned in the guide hole 25; the second driving mechanism 80 is disposed on the base 11 and drives the connecting rod 70 to move up and down along the guiding hole 25. In this embodiment, a screw hole 62 is formed in the center of the bottom of the inner insert 60, the upper end of the connecting rod 70 is screwed and fixed to the screw hole 62, and the second driving mechanism 80 is a cylinder and is inserted into the recess 101.

Detailed description the working principle of the present embodiment is as follows:

firstly, selecting a proper inner insert 60 according to the requirement of micro-nano textures on a mobile phone battery cover, installing and connecting the inner insert 60 and a connecting rod 70, and then driving the connecting rod 70 to move downwards along a guide hole 25 by a second driving mechanism 80 so that the inner insert 60 is embedded into a concave position 24 for fixing; then, the first driving mechanism 40 drives the upper die holder 30 to move downwards to be matched with the lower die holder 20, then, molten plastic is injected into the die cavity 301 from the pouring hole 302, and after pressure maintaining is carried out for a period of time, the lower control valve 22 and the upper control valve 32 are opened, so that cold water flows into the lower cooling runner 21 and the upper cooling runner 31, and the plastic in the die cavity 301 is cooled and molded; then, the first driving mechanism 40 drives the upper die base 30 to move upwards to open the die with the lower die base 20, in the process of opening the die, the telescopic ejector rod 50 pushes the mobile phone battery cover downwards to separate from the upper die base 30, meanwhile, the second driving mechanism 80 drives the connecting rod 70 to move upwards along the guide hole 25, so that the inner insert 60 moves upwards to leave the concave position 24, and simultaneously the mobile phone battery cover is separated from the lower die base 20, after the die opening is completed, the mobile phone battery cover is supported and suspended between the lower die base 20 and the upper die base 30 by the inner insert 60, at the moment, the mobile phone battery cover can be taken out, and the surface of the mobile phone battery cover contacting with the inner insert 60 can form a texture micro-nano structure.

The design of the utility model is characterized in that: through the detachable erection joint in bottom with connecting rod and interior mold insert, can receive the texture demand according to the difference and select different interior mold inserts a little, when the battery cover is changed and is received the texture a little, need not whole change forming die, efficiency has effectively been improved, and greatly reduced the cost, and, set up flexible ejector pin and second actuating mechanism through the cooperation, utilize flexible ejector pin and second actuating mechanism to be ejecting respectively with the battery cover from upper die base and die holder, so that the operator takes out, thereby bring very big convenience for the production operation.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (6)

1. A battery cover micro-nano texture forming die is characterized in that: the device comprises a die frame, a lower die holder, an upper die holder, a first driving mechanism, a telescopic ejector rod, an inner insert, a connecting rod and a second driving mechanism; the die carrier comprises a base and a portal frame arranged on the base; the lower die base is fixed on the base, a lower cooling runner is arranged in the lower die base, a lower control valve is installed at an input port of the lower cooling runner, the lower control valve is located on the outer side of the lower die base, a concave cavity is concavely arranged on the upper surface of the lower die base, a concave position is concavely arranged on the bottom surface of the concave cavity, a guide hole is formed in the bottom surface of the concave position, and the guide hole penetrates through the lower surface of the lower die base; the upper die base is movably arranged right above the lower die base up and down, a die cavity matched with the mobile phone battery cover is formed between the upper die base and the lower die base in a surrounding manner, a pouring hole communicated with the die cavity is formed in the upper die base, an upper cooling runner is arranged in the upper die base, an input port of the upper cooling runner is provided with an upper control valve, and the upper control valve is positioned on the outer side of the upper die base; the first driving mechanism is arranged on the portal frame and drives the upper die holder to move up and down; the telescopic ejector rod is fixed on the portal frame and extends downwards into the die cavity; the inner insert can be movably embedded in the concave position up and down, and a micro-nano texture layer is formed on the upper surface of the inner insert; the connecting rod is detachably connected with the bottom of the inner insert and is positioned in the guide hole; the second driving mechanism is arranged on the base and drives the connecting rod to move up and down along the guide hole.

2. The battery cover micro-nano texture forming die of claim 1, which is characterized in that: the bottom of base is equipped with the shrinkage pool in the concavity, and this second actuating mechanism is the cylinder, and it inlays in the shrinkage pool.

3. The battery cover micro-nano texture forming die of claim 1, which is characterized in that: the center of the bottom of the inner insert is provided with a screw hole, and the upper end of the connecting rod is screwed with the screw hole to be fixedly connected.

4. The battery cover micro-nano texture forming die of claim 1, which is characterized in that: the upper surface and the lower surface of the upper die base penetrate through the die cavity, a plurality of through holes are uniformly distributed and communicated with the die cavity, and the telescopic ejector rods are multiple and are respectively positioned in the corresponding through holes and are fixedly connected with the portal frame in a detachable mode.

5. The battery cover micro-nano texture forming die of claim 1, which is characterized in that: the first driving mechanism is an electric telescopic rod.

6. The battery cover micro-nano texture forming die of claim 1, which is characterized in that: the portal frame is detachably arranged on the base.

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