CN214294208U

CN214294208U - IML sheet injection mold

Info

Publication number: CN214294208U
Application number: CN202023133806.8U
Authority: CN
Inventors: 何朝均
Original assignee: Dongguan Hongyao Technology Co ltd
Current assignee: Dongguan Hongyao Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-28
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to the technical field of plastic forming dies, in particular to an IML sheet injection mold, which comprises an upper mold core and a lower mold core, wherein the top of the lower mold core is provided with a cavity, the bottom of the upper mold core is provided with a mold block, the mold block is in splicing fit with the cavity, the upper mold core is provided with a flow channel, the flow channel runs through the upper mold core and the mold block, the upper mold core is provided with a buffer mechanism, the buffer mechanism comprises a plurality of buffer blocks, the buffer blocks are uniformly distributed in the flow channel, the buffer blocks are arranged at two sides in the flow channel at intervals, the top of the lower mold core is provided with a plurality of positioning columns, the bottom of the upper mold core is provided with a plurality of positioning grooves, and the positioning columns are in splicing fit with the positioning grooves; the pattern layer after will printing the color is placed into the die cavity, and plastic liquid flows to the die cavity through the runner, and through being provided with buffer gear, the plastic liquid reduces the velocity of flow and realizes the effect of dispersion cooling in the runner at the effect of buffer block, reduces the temperature of plastic liquid contact pattern layer, reinforcing finished product effect.

Description

IML sheet injection mold

Technical Field

The utility model relates to a plastic forming die technical field specifically is an IML sheet injection mold.

Background

The IML is the in-mold insert injection molding, and the process has the remarkable characteristics that: the surface is a layer of hardened transparent film, the middle is a printing pattern layer, the back is a plastic layer, and because the printing ink is clamped in the middle, the surface of the product can be prevented from being scratched and is resistant to friction, and the color can be kept bright and not easy to fade for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome above-mentioned condition not enough, provide an IML sheet injection mold, its technical scheme as follows.

The utility model provides an IML sheet injection mold, including last mould benevolence and lower mould benevolence, it is located the top of lower mould benevolence to go up the mould benevolence, it is corresponding each other with the lower mould benevolence to go up the mould benevolence, the die cavity has been seted up at the top of lower mould benevolence, the bottom of going up mould benevolence is provided with the model piece, the cooperation of pegging graft of model piece and die cavity, the runner has been seted up on the last mould benevolence, the runner communicates with the die cavity each other, it is provided with buffer gear on the last mould benevolence, buffer gear includes a plurality of buffer blocks, a plurality of buffer blocks distribute all in the runner, a plurality of buffer block interval arrangement both sides in the runner, the top of lower mould benevolence is provided with a plurality of reference columns, the reference column is located the periphery of die cavity, a plurality of constant head tanks have been seted up to the bottom of going up mould benevolence, a plurality of reference columns correspond each other with a plurality of constant head tanks, the reference column is pegged graft with the constant head tank and is cooperated.

Furthermore, the two sides of the runner are provided with sub-runners, the sub-runners are located below the buffer block, one ends of the sub-runners are communicated with the runner, the other ends of the sub-runners penetrate through the model block, and the sub-runners are communicated with the cavity.

Optionally, the branch channel includes a first branch channel and a second branch channel, and the first branch channel is located inside the second branch channel.

Furthermore, the top of the lower die core is vertically provided with a blocking column, the blocking column is positioned on two sides of the die cavity, the inner side of the blocking column is attached to the outer side of the die cavity, the positioning column is positioned on the periphery of the blocking column, the bottom of the upper die core is correspondingly provided with a column groove, and the blocking column is in splicing fit with the column groove.

Optionally, the outsides of a plurality of buffer blocks all are the arc setting.

Furthermore, the top of the upper die core is provided with an increasing part, the bottom of the increasing part is in butt fit with the top of the upper die core, and the top of the flow passage extends to the top of the increasing part.

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

the pattern layer after will printing the color is placed into the die cavity, goes up mould benevolence and lower mould benevolence compound die, and the reference column is pegged graft in the constant head tank, and plastic liquid passes through runner flow direction die cavity, through being provided with buffer gear, and the plastic liquid reduces the velocity of flow and realizes the effect of dispersion cooling in the runner at the effect of buffer block, reduces the temperature of plastic liquid contact pattern layer, reinforcing finished product effect.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of an upper mold insert of the present invention.

The reference numerals are respectively: the mold comprises an upper mold core 1, a lower mold core 2, a mold cavity 3, a mold block 4, a flow channel 5, a buffer mechanism 6, a buffer block 7, a positioning column 8, a positioning groove 9, a sub-flow channel 10, a first sub-flow channel 11, a second sub-flow channel 12, a blocking column 13, a column groove 14 and an increasing part 15.

Detailed Description

As shown in fig. 1 and 2, an IML sheet injection mold comprises an upper mold core 1 and a lower mold core 2, the upper mold core 1 is located above the lower mold core 2, the upper mold core 1 and the lower mold core 2 correspond to each other, a cavity 3 is formed in the top of the lower mold core 2, a mold block 4 is arranged at the bottom of the upper mold core 1, the mold block 4 is in inserted fit with the cavity 3, a flow passage 5 is formed in the upper mold core 1, the flow passage 5 penetrates through the upper mold core 1 and the mold block 4, the flow passage 5 is communicated with the cavity 3, a buffer mechanism 6 is arranged on the upper mold core 1, the buffer mechanism 6 comprises a plurality of buffer blocks 7, the plurality of buffer blocks 7 are distributed in the flow passage 5, the plurality of buffer blocks 7 are arranged at two sides in the flow passage 5 at intervals, a plurality of positioning posts 8 are arranged at the top of the lower mold core 2, the positioning posts 8 are located at the periphery of the cavity 3, a plurality of positioning slots 9 are formed in the bottom of the upper mold core 1, the plurality of positioning posts 8 correspond to the plurality of positioning slots 9, the positioning column 8 is matched with the positioning groove 9 in an inserting way.

Further explaining, the pattern layer printed with the color is placed in the cavity 3, the upper mold core 1 and the lower mold core 2 are matched, the positioning column 8 is inserted in the positioning groove 9, the plastic liquid flows into the cavity 3 through the flow channel 5, the buffer mechanism 6 is arranged, the flow speed of the plastic liquid is reduced under the action of the buffer block 7, the effect of dispersing and cooling is achieved in the flow channel 5, the temperature of the plastic liquid contacting the pattern layer is reduced, and the effect of a finished product is enhanced.

Furthermore, two sides of the runner 5 are both provided with sub-runners 10, the sub-runners 10 are positioned below the buffer block 7, one ends of the sub-runners 10 are communicated with the runner 5, the other ends of the sub-runners 10 penetrate through the model block 4, and the sub-runners 10 are communicated with the cavity 3; the sub-runners 10 are arranged to facilitate the plastic cement to flow from the sub-runners 10 to the pattern layer in a sub-flow manner, so that color scattering of the pattern layer caused by aggregation of the plastic cement is avoided.

Optionally, the branch channel 10 includes a first branch channel 11 and a second branch channel 12, and the first branch channel 11 is located inside the second branch channel 12; the first shunt channel 11 and the second shunt channel 12 are arranged to facilitate shunting of the plastic cement liquid from different heights, enhance shunting effect, and reduce pressure and temperature of contact of the pattern layer.

Furthermore, a blocking column 13 is vertically arranged at the top of the lower mold core 2, the blocking column 13 is positioned at two sides of the cavity 3, the inner side of the blocking column 13 is mutually attached to the outer side of the cavity 3, the positioning column 8 is positioned at the periphery of the blocking column 13, a column groove 14 is correspondingly formed in the bottom of the upper mold core 1, and the blocking column 13 is in inserting fit with the column groove 14; be provided with and block post 13 and block the die cavity 3 both sides, can avoid moulding glue solution to spill from die cavity 3 both sides after flowing into die cavity 3.

Optionally, the outer sides of the plurality of buffer blocks 7 are all arranged in an arc shape; buffer block 7 is the arc and can increases the area of contact of moulding glue solution and buffer block 7, reinforcing cooling effect.

Furthermore, the top of the upper die core 1 is provided with an increasing part 15, the bottom of the increasing part 15 is in butt fit with the top of the upper die core 1, and the top of the flow channel 5 extends to the top of the increasing part 15; the lengthening part 15 is arranged to lengthen the flow channel 5, prolong the flowing time of the plastic liquid in the flow channel 5 and enhance the cooling effect.

Various other modifications and alterations of the disclosed structure and principles may occur to those skilled in the art, and all such modifications and alterations are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an IML sheet injection mold which characterized in that: including last mould benevolence and lower mould benevolence, it is located the top of lower mould benevolence to go up the mould benevolence, it corresponds each other to go up mould benevolence and lower mould benevolence, the die cavity has been seted up at the top of lower mould benevolence, the bottom of going up mould benevolence is provided with the model piece, model piece and die cavity grafting cooperation, the runner has been seted up on the last mould benevolence, the runner runs through last mould benevolence and model piece, the runner communicates with each other with the die cavity, upward be provided with buffer gear on the mould benevolence, buffer gear includes a plurality of buffer blocks, a plurality of buffer blocks distribute all in the runner, a plurality of buffer block interval arrangement both sides in the runner, the top of lower mould benevolence is provided with a plurality of reference columns, the reference column is located the periphery of die cavity, a plurality of constant head tanks have been seted up to the bottom of going up mould benevolence, a plurality of reference columns correspond each other with a plurality of constant head tanks, reference column and constant head tank grafting cooperation.

2. An IML sheet injection mold as defined in claim 1, wherein: the subchannel has all been seted up to the both sides of runner, and the subchannel is located the below of buffer block, and the one end intercommunication runner of subchannel, the other end of subchannel passes the model block, and subchannel and die cavity link up each other.

3. An IML sheet injection mold as defined in claim 2, wherein: the branch runner comprises a first branch runner and a second branch runner, and the first branch runner is positioned at the inner side of the second branch runner.

4. An IML sheet injection mold as defined in claim 1, wherein: the top of lower mould benevolence vertically is provided with and blocks the post, blocks the both sides that the post is located the die cavity, blocks the inboard of post and laminates each other with the outside of die cavity, and the reference column is located and blocks the periphery of post, and the bottom of upper mould benevolence corresponds and has seted up the post groove, blocks post and post groove grafting cooperation.

5. An IML sheet injection mold as defined in claim 1, wherein: the outside of a plurality of buffer blocks all is the arc setting.

6. An IML sheet injection mold as defined in claim 1, wherein: the top of going up the mould benevolence is provided with the extension portion, and the bottom of extension portion and the top butt cooperation of going up the mould benevolence, and the runner top extends to the top of extension portion.