CN221022066U - Injection mold for silica gel encapsulation - Google Patents

Abstract

The utility model provides an injection mold for silica gel rubber coating, including last mould that from the top down set gradually, runner board, mold core and lower mould, upward set up the feed port of vertical setting on the mould, feed port communicates to the runner board downwards, be equipped with guiding gutter mechanism on the runner board, the top of lower mould is equipped with the type template that a plurality of interval set up, set up the die cavity that sets up with the template one-to-one on the mold core, the upper and lower both ends of die cavity all open, and set up the recess that is used for placing the working of plastics on the mold core of the upper end of die cavity, guiding gutter mechanism includes the leading chute of vertical setting, the both ends of leading chute all are equipped with the vice guiding gutter of horizontal setting, the both ends of vice guiding gutter all are equipped with a plurality of and the branch guiding gutter that the die cavity one-to-one set up, every tip of vice guiding gutter all sets up four branch guiding gutter is X type setting. The utility model has simple structure and convenient use.

Description

Injection mold for silica gel encapsulation

Technical Field

The utility model belongs to the technical field of silica gel encapsulation, and particularly relates to an injection mold for silica gel encapsulation.

Background

The mould is a mould and tool for producing the required products by injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production, in short, the mould is a tool for producing shaped articles, the tool is composed of various parts, and different moulds are composed of different parts, and the processing of the appearance of the articles is realized mainly by changing the physical state of the shaped materials. However, when the silicone rubber and the plastic part are processed, in the prior art, a mold pressing mold is often used to mold the silicone rubber and the plastic part together, and the following defects exist in the method of molding the silicone rubber and the plastic part together through the mold pressing mold: 1. the appearance of the product is bad, and the product needs to be manually treated again; 2. in the case of poor molding, the product is at risk of breakage; 3. the bonding effect is not good. Therefore, the method of molding the silica gel and the plastic part together through the molding die in the prior art causes the quality of product production to meet and has the risk of damaging the plastic part, and the production efficiency is lower.

Disclosure of utility model

The utility model provides an injection mold for encapsulating silica gel, which aims to solve the technical problems that the existing mold presses silica gel and plastic parts together to damage the plastic parts and has lower product quality, and comprises an upper mold (not shown in the drawing of the specification and the prior art), a runner plate, a mold core and a lower mold which are sequentially arranged from top to bottom, wherein the upper mold is provided with a vertically arranged feeding hole which is downwards communicated with the runner plate, and during working, the feeding gun is used for injecting the rubber into the upper mold through the feeding hole and then shunted to the mold core through the runner plate. The runner plate is provided with a flow guide groove mechanism, the top end of the lower die is provided with a plurality of die plates arranged at intervals, the die cores are provided with die cavities which are arranged in one-to-one correspondence with the die plates, the upper end and the lower end of each die cavity are open, the die cores at the upper end of each die cavity are provided with grooves for placing plastic parts, and when the runner plate is used, the plastic parts are placed in the grooves. The guiding gutter mechanism shunts the material to each die cavity, be convenient for annotate the material to each die cavity in, guiding gutter mechanism is including the leading chute of vertical setting, the both ends of leading chute all are equipped with the vice guiding gutter of horizontal setting, the both ends of vice guiding gutter all are equipped with a plurality of and die cavity one-to-one setting's branch guiding gutter, every tip of vice guiding gutter all sets up four branch guiding gutter, four branch guiding gutter is X type setting, and the blanking hole has been seted up to the tip of branch guiding gutter to with the die cavity intercommunication, cooperation each die cavity sets up, make the structure of mould compacter, save space.

Preferably, the bottom end of the lower die is provided with a supporting plate with a supporting function, and the supporting plate is provided with a fixed slotted hole.

Preferably, four corners of the upper die, the runner plate, the die core and the lower die are provided with guide holes for guiding.

The adoption of the scheme has the following advantages:

The mold core is provided with a cavity and a groove for placing the plastic part, the plastic part is placed in the groove, and the plastic part and the hot melt silica gel are conveniently injected together; the arrangement of the diversion trench mechanism, the arrangement of the main diversion trench, the auxiliary diversion trench and the branch diversion trench is convenient for guiding the silica gel to each cavity and combining with the plastic piece; the branch guide pipe is arranged in an X shape, so that the die is more compact, and the working efficiency is improved; the setting of backup pad plays the supporting role.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic diagram of an explosive structure according to the present utility model.

Reference numerals: 1. a flow channel plate; 2. a mold core; 3. a lower die; 11. a diversion trench mechanism; 12. a main column diversion trench; 13. an auxiliary diversion trench; 14. a branch diversion trench; 15. a guide hole; 21. a cavity; 22. a groove; 23. a plastic member; 31. a form; 32. a support plate; 33. the slot is fixed.

Detailed Description

As shown in fig. 1-2, an injection mold for encapsulating silica gel comprises an upper mold (not shown in the drawing of the specification, and in the prior art), a runner plate 1, a mold core 2 and a lower mold 3 which are sequentially arranged from top to bottom, wherein the upper mold is provided with a vertically arranged feeding hole, the feeding hole is downwards communicated to the runner plate, and during operation, the material gel is injected into the upper mold through the feeding hole by a feeding gun and then is shunted to the mold core 2 by the runner plate 1. The runner plate 1 is provided with a diversion trench mechanism 11, the top end of the lower die 3 is provided with a plurality of templates 31 which are arranged at intervals, the die cores 2 are provided with die cavities 21 which are arranged in one-to-one correspondence with the templates 31, the upper end and the lower end of each die cavity 21 are open, the die cores 2 at the upper end of each die cavity 21 are provided with grooves 22 for placing plastic parts, and when the runner plate is used, the plastic parts 23 are placed in the grooves 22. The guiding gutter mechanism 11 is convenient for annotate the material to each die cavity 21 with material glued branch to each die cavity 21, guiding gutter mechanism 11 includes the leading chute 12 of vertical setting, leading chute 12's both ends all are equipped with the vice guiding gutter 13 of horizontal setting, vice guiding gutter 13's both ends all are equipped with a plurality of and die cavity 21 one-to-one setting's branch guiding gutter 14, every tip of vice guiding gutter 13 all sets up four branch guiding gutter 14, four branch guiding gutter 14 are X type setting, and the blanking hole has been seted up to the tip of branch guiding gutter 14 to with die cavity 21 intercommunication, cooperation each die cavity 21 sets up, make the structure of mould compacter, save space.

Preferably, the bottom end of the lower die 3 is provided with a supporting plate 32 for supporting, and the supporting plate 32 is provided with a fixing slot 33.

Preferably, four corners of the upper die, the runner plate 1, the die core 2 and the lower die 3 are provided with guide holes 15 for guiding.

The using process comprises the following steps:

When the utility model is used, firstly, after the mould is opened, the plastic piece 23 is placed at each groove 22, after the plastic piece 23 is placed, the mould is closed, the silica gel material is injected into the feeding hole through the material gun, then the silica gel material is completely injected into the diversion trench mechanism 11 on the milk runner plate 1, enters the cavity 21 on the mould core 2 through the main diversion trench 12, the auxiliary diversion trench 13 and the branch diversion trench 14 respectively, is injection molded with each plastic piece 23, and then the mould is opened to take out the product.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (6)

1. An injection mold for silica gel rubber coating, includes last mould, runner board, mold core and the lower mould that from the top down set gradually, has seted up the feed opening of vertical setting on the last mould, and feed opening communicates to runner board, its characterized in that downwards: the runner plate is provided with a flow guide groove mechanism, the top end of the lower die is provided with a plurality of die plates arranged at intervals, the die cores are provided with die cavities which are arranged in one-to-one correspondence with the die plates, the upper end and the lower end of each die cavity are open, and the die cores at the upper end of each die cavity are provided with grooves for placing plastic parts.

2. An injection mold for encapsulation of silicone gel according to claim 1, wherein: the guiding gutter mechanism comprises a guiding gutter which is longitudinally arranged, and two ends of the guiding gutter are respectively provided with a secondary guiding gutter which is transversely arranged.

3. An injection mold for encapsulation of silicone gel according to claim 2, wherein: both ends of the auxiliary diversion trenches are provided with a plurality of diversion trenches which are arranged in one-to-one correspondence with the die cavities.

4. An injection mold for encapsulation of silicone gel according to claim 3, wherein: each end part of the auxiliary diversion trench is provided with four diversion trenches which are arranged in an X shape, and the end parts of the diversion trenches are provided with blanking holes and are communicated with the cavity.

5. An injection mold for encapsulation of silicone gel according to claim 1, wherein: the bottom of the lower die is provided with a supporting plate with a supporting function, and a fixed slot hole is formed in the supporting plate.

6. An injection mold for encapsulation of silicone gel according to any one of claims 1-5, wherein: four corners of the upper die, the runner plate, the die core and the lower die are provided with guide holes for guiding.