CN210851097U - High-reliability injection mold for rear cover of display - Google Patents

Abstract

The utility model discloses a lid injection mold behind display of high reliability relates to mould technical field. Including lower bolster and cope match-plate pattern, the top fixedly connected with public mould benevolence of lower bolster, the bottom fixedly connected with cavity benevolence of cope match-plate pattern, both ends top is equipped with the spacing groove about public mould benevolence, both ends bottom is equipped with the stopper about cavity benevolence, the right side of public mould benevolence is equipped with first cooling port, and has connected annular coil through first cooling port joint. This lid injection mold for display of high reliability through setting up annular coil, centrifugal fan and fin, has realized promoting the advantage of cooling effect, bloies through centrifugal fan, makes the annular coil who is connected with first cooling port and second cooling port through the effect of fin, fast with heat conversion and dispel the heat to improve the heat exchange efficiency of intraductal coolant liquid, play the refrigerated effect of further supplementary heat dissipation.

Description

High-reliability injection mold for rear cover of display

Technical Field

The utility model relates to the technical field of mold, specifically be a lid injection mold behind display of high reliability.

Background

The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structure and precise dimension, the injection molding is a processing method used for mass production of some parts with complex shapes, and for injection molding parts of the display, such as an injection molding rear cover of the display, specifically, a 32-inch display rear cover, etc., the injection molding rear cover of the display is mainly produced by the injection mold, and at present, the following problems exist in some small processing factories when the display rear cover is injected:

1. in the prior art, the stability of a male mold core and a female mold core in an injection mold is slightly poor when the male mold core and the female mold core are closed, and sometimes, the mold cores sag due to the action of gravity in the injection process, so that the closed mold is not tight or staggered, and further, the plastic part cannot be formed;

2. in the prior art, the injection mold keeps a high temperature all the time in the production process, a plastic part is taken out after the molding is finished and the plastic part is simply air-cooled to a proper temperature, long time is needed, if the product quality part is qualified due to direct sampling without cooling, safety accidents can be caused by scalding of operators due to sampling with too high temperature, production is delayed due to long air cooling time, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a lid is with injection mold behind display of high reliability to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lid injection mold behind display of high reliability, includes lower bolster and cope match-plate pattern, the top fixedly connected with core mould benevolence of lower bolster, the bottom fixedly connected with core mould benevolence of cope match-plate pattern, both ends top is equipped with the spacing groove about core mould benevolence, both ends bottom is equipped with the stopper about core mould benevolence, the right side of core mould benevolence is equipped with first cooling port, and has connect annular coil pipe through first cooling port joint, the right side of core mould benevolence is equipped with the second cooling port, and is connected with annular coil pipe through the second cooling port, annular coil pipe's inboard fixedly connected with centrifugal fan, annular coil pipe's outside fixedly connected with fin.

As a preferred technical scheme of the utility model, the top fixedly connected with guide cylinder of lower bolster, the bottom fixedly connected with guide post of cope match-plate pattern, the guide post is corresponding with the position of guide cylinder, the cope match-plate pattern cup joints with the lower bolster through guide post and guide cylinder.

As an optimized technical scheme of the utility model, both ends are equipped with the ladder groove around the lower bolster, the front end of core insert and cavity insert is equipped with fills the mouth.

As a preferred technical scheme of the utility model, the spacing groove distributes in both ends around core insert, the stopper distributes in both ends around cavity insert, the spacing groove is corresponding with the position of stopper.

As an optimal technical scheme of the utility model, supreme first connecting pipe and the second connecting pipe of being equipped with in proper order is down followed in the left side of annular coil, and just through first connecting pipe and second connecting pipe and first cooling port and second cooling port joint respectively.

As an optimized technical scheme of the utility model, the air outlet of centrifugal fan is corresponding with the position of the wind-guiding mouth of fin, the fin coats the heat conduction cream with the annular coil pipe face of contacting.

(III) advantageous effects

Compared with the prior art, the utility model provides a lid injection mold behind display of high reliability possesses following beneficial effect:

1. this lid injection mold behind display of high reliability, through setting up spacing groove and stopper, the advantage of optimizing compound die stationarity has been realized, embedded block design has been adopted on the benevolence of public mould and cavity benevolence, make when the benevolence compound die of public mould benevolence and cavity benevolence, play the positioning action through spacing groove and stopper, not only can make the compound die more stable, and can prevent to lead to drooping because of the action of gravity at the in-process mould benevolence of moulding plastics, arouse that the compound die is not tight or the dislocation leads to moulding the defect problem that the piece can not take shape.

2. This lid injection mold for display of high reliability through setting up annular coil, centrifugal fan and fin, has realized promoting the advantage of cooling effect, bloies through centrifugal fan, makes the annular coil who is connected with first cooling port and second cooling port through the effect of fin, fast with heat conversion and dispel the heat to improve the heat exchange efficiency of intraductal coolant liquid, play the refrigerated effect of further supplementary heat dissipation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a front view of the annular coil part of the present invention.

In the figure: 1. a lower template; 2. mounting a template; 3. a core insert; 4. a cavity insert; 5. a limiting groove; 6. a limiting block; 7. a first cooling port; 8. an annular coil pipe; 9. a second cooling port; 10. a centrifugal fan; 11. a fin; 12. a guide cylinder; 13. a guide post; 14. a stepped groove; 15. an infusion port; 16. a first connecting pipe; 17. a second connecting pipe.

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. 1-3, an injection mold for a rear cover of a highly reliable display includes a lower mold plate 1 and an upper mold plate 2, a core insert 3 is fixedly connected to the top of the lower mold plate 1, a cavity insert 4 is fixedly connected to the bottom of the upper mold plate 2, a limiting groove 5 is provided at the top of each of the left and right ends of the core insert 3, a limiting block 6 is provided at the bottom of each of the left and right ends of the cavity insert 4, the advantages of optimizing mold closing stability are achieved by providing the limiting groove 5 and the limiting block 6, an embedded clamping design is adopted on the core insert 3 and the cavity insert 4, so that when the core insert 3 and the cavity insert 4 are closed, the limiting groove 5 and the limiting block 6 play a role in positioning, not only can the mold closing be more stable, but also the defect that the mold core sags due to gravity effect in the injection molding process, the mold closing is not tight or the plastic part cannot be, the right side of public mould benevolence 3 is equipped with first cooling hole 7, and has annular coil 8 through first cooling hole 7 joint, the right side of cavity benevolence 4 is equipped with second cooling hole 9, and is connected with annular coil 8 through second cooling hole 9, the inboard fixedly connected with centrifugal fan 10 of annular coil 8, the outside fixedly connected with fin 11 of annular coil 8 through setting up annular coil 8, centrifugal fan 10 and fin 11, has realized the advantage that promotes the cooling effect, bloies through centrifugal fan 10, makes the annular coil 8 that is connected with first cooling hole 7 and second cooling hole 9 through fin 11's effect, fast with heat conversion and dispel the heat to improve the heat exchange efficiency of intraductal coolant liquid, play further supplementary radiating and cooling's effect.

Specifically, the top of the lower template 1 is fixedly connected with a guide cylinder 12, the bottom of the upper template 2 is fixedly connected with a guide column 13, the position of the guide column 13 corresponds to that of the guide cylinder 12, and the upper template 2 is sleeved with the lower template 1 through the guide column 13 and the guide cylinder 12.

In this embodiment, the guide posts 13 are matched with the guide cylinders 12, so that the lower template 1 and the upper template 2 are guided when being matched.

Specifically, the front end and the rear end of the lower template 1 are provided with stepped grooves 14, and the front ends of the core insert 3 and the cavity insert 4 are provided with filling openings 15.

In this embodiment, the stepped groove 14 can be used to cooperate with the clamping structure to inject the hot-melt plastic material through the injection opening 15.

Specifically, the limiting grooves 5 are distributed at the front end and the rear end of the core insert 3, the limiting blocks 6 are distributed at the front end and the rear end of the cavity insert 4, and the positions of the limiting grooves 5 correspond to the positions of the limiting blocks 6.

In the embodiment, the limiting groove 5 and the limiting block 6 play a role in positioning, so that the die assembly is more stable, and the defect that the plastic part cannot be formed due to the fact that the die core drops due to the action of gravity, the loose die assembly is caused or the dislocation is caused in the injection molding process can be avoided.

Specifically, the left side of the annular coil pipe 8 is provided with a first connecting pipe 16 and a second connecting pipe 17 from bottom to top in sequence, and is connected with the first cooling port 7 and the second cooling port 9 through the first connecting pipe 16 and the second connecting pipe 17 respectively.

In this embodiment, the annular coil 8 helps to improve the coolant flow heat dissipation.

Specifically, the air outlet of the centrifugal fan 10 corresponds to the air guiding opening of the fin 11, and the contact surface of the fin 11 and the annular coil 8 is coated with the heat conducting paste.

In this embodiment, the centrifugal fan 10 blows air to make the cooling liquid in the annular coil 8 quickly convert heat and dissipate heat under the action of the fins 11, so as to improve the heat exchange efficiency of the cooling liquid in the pipe.

The utility model discloses a theory of operation and use flow: when using, when public mould benevolence 3 and cavity benevolence 4 compound die, play the positioning action through spacing groove 5 and stopper 6, not only can make the compound die more stable, and can prevent that mould plastics in-process mould benevolence from leading to flagging because of the action of gravity, arouse that the compound die is not tight or the dislocation leads to moulding the defect problem that the piece can not take shape, after moulding plastics, open centrifugal fan 10, blow through centrifugal fan 10, make the annular coil pipe 8 that is connected with first cooling port 7 and second cooling port 9 through fin 11's effect, change the heat fast and dispel the heat, in order to improve the heat exchange efficiency of intraductal coolant liquid.

In summary, the high-reliability injection mold for the rear cover of the display realizes the advantage of optimizing mold closing stability by arranging the limiting groove 5 and the limiting block 6, adopts an embedded clamping design on the male mold core 3 and the female mold core 4, ensures that when the male mold core 3 and the female mold core 4 are closed, the limiting groove 5 and the limiting block 6 play a role in positioning, not only can the mold closing be more stable, but also the defect that the plastic part cannot be formed due to the fact that the mold core sags due to gravity action and the mold closing is not tight or misplaced in the injection molding process can be prevented, realizes the advantage of improving the cooling effect by arranging the annular coil pipe 8, the centrifugal fan 10 and the fins 11, and ensures that the annular coil pipe 8 connected with the first cooling port 7 and the second cooling port 9 can quickly convert heat and dissipate heat under the action of the fins 11 by blowing of the centrifugal fan 10 so as to improve the heat exchange efficiency of the cooling liquid in the pipe, and the function of further assisting heat dissipation and cooling is achieved.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a lid injection mold behind display of high reliability, includes lower bolster (1) and cope match-plate pattern (2), its characterized in that: the top fixedly connected with core insert (3) of lower bolster (1), the bottom fixedly connected with core insert (4) of cope match-plate pattern (2), both ends top is equipped with spacing groove (5) about core insert (3), both ends bottom is equipped with stopper (6) about core insert (4), the right side of core insert (3) is equipped with first cooling port (7), and has annular coil pipe (8) through first cooling port (7) joint, the right side of core insert (4) is equipped with second cooling port (9), and is connected with annular coil pipe (8) through second cooling port (9), the inboard fixedly connected with centrifugal fan (10) of annular coil pipe (8), the outside fixedly connected with fin (11) of annular coil pipe (8).

2. The injection mold for the display rear cover with high reliability as set forth in claim 1, wherein: the top fixedly connected with guide cylinder (12) of lower bolster (1), the bottom fixedly connected with guide post (13) of cope match-plate pattern (2), guide post (13) are corresponding with the position of guide cylinder (12), cope match-plate pattern (2) cup joints with lower bolster (1) through guide post (13) and guide cylinder (12).

3. The injection mold for the display rear cover with high reliability as set forth in claim 1, wherein: stepped grooves (14) are formed in the front end and the rear end of the lower template (1), and filling openings (15) are formed in the front ends of the male die core (3) and the female die core (4).

4. The injection mold for the display rear cover with high reliability as set forth in claim 1, wherein: the limiting grooves (5) are distributed at the front end and the rear end of the male die core (3), the limiting blocks (6) are distributed at the front end and the rear end of the female die core (4), and the limiting grooves (5) correspond to the limiting blocks (6).

5. The injection mold for the display rear cover with high reliability as set forth in claim 1, wherein: the left side of the annular coil pipe (8) is sequentially provided with a first connecting pipe (16) and a second connecting pipe (17) from bottom to top and is connected with the first cooling port (7) and the second cooling port (9) through the first connecting pipe (16) and the second connecting pipe (17) in a clamped mode.

6. The injection mold for the display rear cover with high reliability as set forth in claim 1, wherein: the air outlet of the centrifugal fan (10) corresponds to the air guide opening of the fin (11), and the contact surface of the fin (11) and the annular coil pipe (8) is coated with heat conducting paste.

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