CN217729505U - Liquid silica gel cladding piece injection mold - Google Patents

Abstract

The utility model discloses a liquid silica gel cladding piece injection mold relates to the injection mold field, including mould bottom plate and mould roof, mould roof bottom surface is provided with the mould lug, and mould bottom plate top surface set up with mould lug complex mould recess, mould bottom plate top surface is located mould recess edge sliding connection and has a plurality of sliding blocks, and all is connected with the extension spring between sliding block and the mould bottom plate. The utility model discloses a mould groove edge passes through a plurality of sliding blocks of extension spring sliding connection on the mould bottom plate, set up the inclined plane indent on the sliding block, set up and inclined plane indent complex inclined plane briquetting in mould roof bottom surface, during the use, when mould roof lid is on the mould bottom plate, the inclined plane briquetting can promote the sliding block through the inclined plane indent and remove, make the locating pin stretch into in the mould recess, the cooling is accomplished the back, take off the mould roof, the inclined plane briquetting breaks away from the inclined plane indent, the extension spring can stimulate the sliding block and reset, make the locating pin take out the cell-phone shell, work efficiency is higher.

Description

Liquid silica gel cladding piece injection mold

Technical Field

The utility model relates to an injection mold field specifically is a liquid silica gel cladding piece injection mold.

Background

With the development of electronic informatization, more and more electronic products are put into the market, such as: the mobile phone comprises a mobile phone, a tablet personal computer and the like, and the electronic products are difficult to avoid collision and abrasion in the using process, so that a silica gel mobile phone shell, a silica gel flat shell and the like are produced by matching the electronic products.

Chinese patent document No. CN212400177U provides an injection mold for a liquid silicone rubber coated part, which is characterized in that a plurality of positioning columns and positioning pins are arranged on a bottom plate of the mold, so that positions of the positioning columns and the positioning pins can directly become holes of a charging hole of a mobile phone and the like after injection molding is completed, and secondary punching is not required.

However, when the injection molding machine is used, injection molding and cooling are completed, after a mold is opened, the positioning column and the positioning pin need to be manually disassembled, and the positioning column and the positioning pin need to be manually assembled again during injection molding again, so that the working efficiency is low.

Disclosure of Invention

Based on this, the utility model aims at providing a liquid silica gel cladding piece injection mold to solve the lower technical problem of current liquid silica gel cladding piece injection mold work efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a liquid silica gel cladding piece injection mold, includes mould bottom plate and mould roof, mould roof bottom surface is provided with the mould lug, and the mould bottom plate top surface set up with mould lug complex mould recess, mould bottom plate top surface is located mould recess edge sliding connection has a plurality of sliding blocks, and all is connected with the extension spring between sliding block and the mould bottom plate, the one side that the sliding block is close to the mould recess is provided with a plurality of locating pins, the inclined plane indent has all been seted up to the sliding block top surface, and mould roof bottom surface be provided with a plurality of respectively with every sliding block on inclined plane indent complex inclined plane briquetting.

Through adopting above-mentioned technical scheme, the cavity between mould lug and the mould recess is the die cavity promptly, and the inclined plane indent and the cooperation of inclined plane briquetting can promote the sliding block and move to the mould recess, make the locating pin stretch into in the mould recess, and the extension spring can make the sliding block not stimulate the sliding block when thrust and reset.

The utility model discloses further set up to, mould bottom plate top surface is provided with many reference columns, and has seted up a plurality ofly on the mould roof and reference column complex locating hole.

Through adopting above-mentioned technical scheme, reference column and locating hole cooperation can make accurate correspondence between mould roof and the mould bottom plate.

The utility model discloses further set up to, sliding connection has a plurality ofly and mould bottom plate complex eye-splice on the mould roof.

Through adopting above-mentioned technical scheme, the eye-splice can be with being connected fixedly between mould roof and the mould bottom plate.

The utility model discloses further set up to, the mould lug is the same except that no button and trompil with real quick-witted appearance.

Through adopting above-mentioned technical scheme, the mould lug is the same with real quick-witted appearance except that there is not button and trompil, can make the laminating cell-phone that the cell-phone shell of producing can be better.

The utility model discloses further set up to, the sliding block both sides closely laminate with the mould bottom plate, and the sliding block tail end all is connected with the pull rod that extends the mould bottom plate.

Through adopting above-mentioned technical scheme, the sliding block closely laminates with the mould bottom plate, can make the sliding block slide more stably, can not rock and lead to the trompil incline, and the pull rod can block pulling sliding block when unable self-reset at the sliding block and reset.

The utility model discloses further set up to, the mould bottom plate bottom surface is located mould recess below and has seted up the radiating groove.

Through adopting above-mentioned technical scheme, the radiating groove can reduce the spacing distance of mould recess and air, and the radiating effect is better.

The utility model discloses further set up to, set up on the mould roof with mould lug complex runner.

By adopting the technical scheme, the runner can facilitate the liquid silica gel to be injected into the molding cavity better.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a mould groove edge passes through a plurality of sliding blocks of extension spring sliding connection on the mould bottom plate, set up the inclined plane indent on the sliding block, set up and inclined plane indent complex inclined plane briquetting in mould roof bottom surface, during the use, when mould roof lid is on the mould bottom plate, the inclined plane briquetting can promote the sliding block through the inclined plane indent and remove, make the locating pin stretch into in the mould recess, the cooling is accomplished the back, take off the mould roof, the inclined plane briquetting breaks away from the inclined plane indent, the extension spring can stimulate the sliding block and reset, make the locating pin take out the cell-phone shell, work efficiency is higher.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view of the present invention from a first perspective;

fig. 4 is an exploded view of the present invention from a second perspective.

In the figure: 1. a mold base plate; 2. a mold top plate; 3. a mold bump; 4. a mold recess; 5. a positioning column; 6. positioning holes; 7. inserting and buckling; 8. a flow channel; 9. a tension spring; 10. a slider; 11. a bevel pressing block; 12. pressing a groove on the inclined plane; 13. positioning pins; 14. a heat sink; 15. a pull rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

An injection mold for a liquid silicone rubber cladding part is shown in figures 1-4 and comprises a mold bottom plate 1 and a mold top plate 2, wherein a mold convex block 3 is arranged in the middle of the bottom surface of the mold top plate 2, a mold groove 4 matched with the mold convex block 3 is formed in the middle of the top surface of the mold bottom plate 1, a cavity between the mold concave block and the mold convex block is a molding cavity, a plurality of sliding blocks 10 are connected with the edges of the mold groove 4 on the top surface of the mold bottom plate 1 in a sliding mode, a group of tension springs 9 are connected between the two sides of the tail end of each sliding block 10 and the mold bottom plate 1, a plurality of positioning pins 13 are arranged on the side, close to the mold groove 4, inclined plane press grooves 12 are formed in the top surface of each sliding block 10, a plurality of inclined plane press blocks 11 matched with the inclined plane press grooves 12 on each sliding block 10 respectively are arranged on the bottom surface of the mold top plate 2, the inclined plane press blocks 11 can push the sliding blocks 10 to move towards the mold groove 4 through the inclined plane press grooves 12, the positioning pins 13 extend into the mold groove 4, and the sliding blocks 10 can be stably pulled to reset through the group of the tension springs 9 when the sliding blocks 10 are not pushed.

Referring to fig. 1-4, the top surface of the bottom plate 1 is provided with positioning posts 5 at four corners, the top plate 2 is provided with positioning holes 6 at four corners for matching with the positioning posts 5, and the positioning posts 5 match with the positioning holes 6, so as to precisely correspond the top plate 2 to the bottom plate 1.

Referring to fig. 1, the top mold plate 2 is slidably connected with a plurality of buckles 7 engaged with the bottom mold plate 1, so as to connect and fix the top mold plate 2 and the bottom mold plate 1.

Referring to fig. 3, the shape of the mold bump 3 is the same as that of a real mobile phone except that no key or hole is formed, so that the produced mobile phone case can be better attached to the mobile phone.

Referring to fig. 4, two sides of the sliding block 10 are tightly attached to the mold bottom plate 1, so that the sliding block 10 slides more stably without shaking to cause the opening deviation, and the tail end of the sliding block 10 is connected with a pull rod 15 extending out of the mold bottom plate 1, so that the sliding block 10 can be pulled to reset when the sliding block 10 is clamped or the tension of the tension spring 9 is reduced and cannot be reset by itself.

Referring to fig. 3, the bottom surface of the mold base plate 1 is provided with a heat sink 14 below the mold groove 4, so that the distance between the mold groove and the air can be reduced, and the heat dissipation effect is better.

Referring to fig. 2, the top plate 2 of the mold is provided with a runner 8 matching with the mold bump 3, so that the liquid silicone gel can be injected into the molding cavity better.

The utility model discloses a theory of operation does: during the use, cover mould roof 2 on mould bottom plate 1 through reference column 5 and locating hole 6 location, slip eye-splice 7 is connected fixedly between mould roof 2 and the mould bottom plate 1 again, inclined plane briquetting 11 can promote sliding block 10 and remove to mould recess 4 through pushing down inclined plane indent 12, make locating pin 13 stretch into in the mould recess 4, pour into liquid silica gel into to the shaping intracavity through runner 8 again, take the silica gel cooling design back, open eye-splice 7, take off mould roof 2, inclined plane briquetting 11 breaks away from behind the inclined plane indent 12, extension spring 9 can make sliding block 10 reset, make locating pin 13 take out the cell-phone shell, take off the cell-phone shell again can, if sliding block 10 blocks or extension spring 9 pulling force diminishes can pull rod 15 pulling sliding block 10 when unable self-reset and reset.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims (7)

1. The utility model provides a liquid silica gel cladding piece injection mold, includes mould bottom plate (1) and mould roof (2), its characterized in that: mould roof (2) bottom surface is provided with mould lug (3), and mould bottom plate (1) top surface set up with mould lug (3) complex mould recess (4), mould bottom plate (1) top surface is located mould recess (4) edge sliding connection has a plurality of sliding blocks (10), and all is connected with extension spring (9) between sliding block (10) and mould bottom plate (1), the one side that sliding block (10) are close to mould recess (4) is provided with a plurality of locating pins (13), inclined plane indent (12) have all been seted up to sliding block (10) top surface, and mould roof (2) bottom surface be provided with a plurality of respectively with every sliding block (10) go up inclined plane indent (12) complex inclined plane briquetting (11).

2. The liquid silicone rubber-coated part injection mold according to claim 1, wherein: the top surface of the die bottom plate (1) is provided with a plurality of positioning columns (5), and the die top plate (2) is provided with a plurality of positioning holes (6) matched with the positioning columns (5).

3. The liquid silicone rubber-coated part injection mold according to claim 1, wherein: the die top plate (2) is connected with a plurality of eye-splice (7) matched with the die bottom plate (1) in a sliding way.

4. The liquid silicone rubber-coated part injection mold according to claim 1, wherein: the shape of the mould convex block (3) is the same as that of a real machine except that no key and no hole are formed.

5. The liquid silicone rubber-coated part injection mold according to claim 1, wherein: the two sides of the sliding block (10) are tightly attached to the die bottom plate (1), and the tail end of the sliding block (10) is connected with a pull rod (15) extending out of the die bottom plate (1).

6. The liquid silicone rubber-coated part injection mold according to claim 1, wherein: and the bottom surface of the die bottom plate (1) is positioned below the die groove (4) and is provided with a heat dissipation groove (14).

7. The liquid silicone rubber-coated part injection mold according to claim 1, wherein: and a runner (8) matched with the mold bump (3) is arranged on the mold top plate (2).

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