CN210257058U - Injection mold for notebook plastic part - Google Patents

Abstract

The utility model discloses an injection mold for notebook working of plastics, including the cover half template, positioning hole has all been seted up to the inside both sides of cover half template, and the positioning hole in-connection has positioning bolt, positioning bolt top external connection has the inner chamber of moulding plastics shaping piece, and moulds plastics inner chamber shaping piece and be located cover half template top, four sides in cover half template top are connected with the joint post, and joint post external connection has the joint groove, joint groove external connection has the movable mould template, and the movable mould outer die cavity has been seted up to movable mould template below center inside, movable mould outer die cavity is located the inner chamber of moulding plastics shaping piece outside, and movable mould outer die cavity top is connected with the passageway of moulding plastics to the passageway of moulding plastics runs through the movable mould template. The injection mold for the notebook plastic part can conveniently change the shape of the inner cavity of the mold. This structure notebook for working of plastics injection mold inner chamber design piece passes through positioning bolt and links to each other with the cover half template, can be convenient dismantle and change.

Description

Injection mold for notebook plastic part

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold for notebook working of plastics.

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 plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed 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 the case of assembly parts for notebooks, plastic parts are common assembly parts, wherein the plastic parts of the housing are generally produced by means of injection molding.

The shapes of the upper die and the lower die of the existing injection mold for the notebook plastic parts are fixed, and when more plastic parts with the same appearance but different inner cavity shapes are produced, the molds need to be completely replaced, so that the time is consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for notebook working of plastics to the production appearance that proposes in solving above-mentioned background art is the same, need change the problem of whole mould during the different working of plastics of inner chamber.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold for notebook working of plastics, includes the cover half template, positioning hole has all been seted up to the inside both sides of cover half template, and has connected positioning bolt in the positioning hole, positioning bolt top external connection has the inner chamber design piece of moulding plastics, and moulds plastics the inner chamber design piece and be located the cover half template top, four sides in cover half template top are connected with the joint post, and joint post external connection has the joint groove, joint groove external connection has the movable mould template, and the movable mould outer die cavity has been seted up to movable mould template below center inside, movable mould outer die cavity is located the inner chamber design piece outside of moulding plastics, and is connected with the passageway of moulding plastics above the movable mould outer die cavity to the passageway of moulding plastics.

Preferably, the joint post is equipped with at least 4, and joint post below is cylindrical structure, and the top is hemispherical structure.

Preferably, the lower inner part of the injection molding inner cavity shaping block is provided with a limiting groove, and the limiting groove is embedded with a limiting block.

Preferably, the limiting block is positioned above the fixed die template and is of an prismoid structure.

Preferably, an avoiding groove is formed in the lower portion of the fixed die template, the avoiding groove is located under the positioning through hole, and the avoiding groove is of a rectangular structure.

Preferably, the shielding block is embedded in the avoiding groove, the length and the width of the shielding block are equal to those of the avoiding groove, and openings are formed in the two sides of the shielding block.

Compared with the prior art, the beneficial effects of the utility model are that: the injection mold for the notebook plastic part can conveniently change the shape of the inner cavity of the mold, and is convenient for processing the notebook plastic part. This injection mold for notebook working of plastics inner chamber design piece of moulding plastics passes through positioning bolt and links to each other with the cover half template, and what can be convenient dismantles and changes, and it is the same to produce the appearance, and during the different notebook working of plastics of inner chamber, the user can only replace the inner chamber design piece of moulding plastics of different shapes can, improves the change speed of mould, the production of being convenient for more.

Drawings

Fig. 1 is a schematic structural view of an injection mold for a notebook plastic part of the present invention;

fig. 2 is the utility model relates to a notebook is cover half template bottom view of injection mold for working of plastics.

In the figure: 1. joint groove, 2, joint post, 3, movable mould template, 4, spacing groove, 5, the passageway of moulding plastics, 6, stopper, 7, the inner chamber shaping piece of moulding plastics, 8, movable mould outer die cavity, 9, cover half template, 10, dodge the groove, 11, shelter from the piece, 12, positioning hole, 13, positioning bolt.

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. 1-2, the present invention provides a technical solution: an injection mold for a notebook plastic part comprises a fixed mold plate 9, wherein positioning through holes 12 are formed in two sides of the inner part of the fixed mold plate 9, positioning bolts 13 are connected in the positioning through holes 12, avoidance grooves 10 are formed in the lower part of the fixed mold plate 9, the avoidance grooves 10 are positioned under the positioning through holes 12, the avoidance grooves 10 are of a rectangular structure, the avoidance grooves 10 are positioned under the positioning through holes 12 and are communicated with the positioning through holes 12, the total height of the positioning through holes 12 can be reduced, the positioning bolts 13 in the positioning through holes 12 cannot be overlong, the disassembly time is overlong, blocking blocks 11 are embedded in the avoidance grooves 10, the length and the width of the blocking blocks 11 are equal to the length and the width of the avoidance grooves 10, openings are formed in two sides of the blocking blocks 11, the blocking blocks 11 can be embedded in the avoidance grooves 10, and the situation that the local thickness of the fixed mold plate 9 is not too small is caused, the opening on the shielding block 11 is convenient for a user to hold and apply force, the outer part of the top end of the positioning bolt 13 is connected with an injection inner cavity molding block 7, the injection inner cavity molding block 7 is positioned above the fixed mold template 9, the lower part of the injection inner cavity molding block 7 is internally provided with a limiting groove 4, and the limiting groove 4 is internally embedded with a limiting block 6, the structure ensures that the injection inner cavity molding block 7 can be clamped outside the limiting block 6 through the limiting groove 4 at the bottom, the limiting block 6 is positioned above the fixed mold template 9, and the limiting block 6 is in a frustum pyramid structure, when the limiting groove 4 is clamped outside the limiting block 6 in the frustum pyramid structure, the fixed mold template 9 and the injection inner cavity molding block 7 can be preliminarily aligned, so that the fixed mold template 9 and the injection inner cavity molding block 7 can be conveniently fixed again through the positioning bolt 13, the four sides above the fixed mold template 9 are connected with clamping columns 2, the number of the clamping columns 2 is at least 4, the lower part of each clamping column 2 is of a cylindrical structure, the upper part of each clamping column 2 is of a hemispherical structure, the structure enables the clamping columns 2 positioned in the hemispherical shape to be conveniently aligned with the clamping grooves 1 so as to be rapidly inserted into the clamping grooves 1, the outer parts of the clamping grooves 1 are connected with the movable die plates 3, the centers of the lower parts of the movable die plates 3 are internally provided with movable die outer cavities 8, the movable die outer cavities 8 are positioned on the outer sides of injection inner cavity fixed blocks 7, injection channels 5 are connected above the movable die outer cavities 8 and penetrate through the movable die plates 3, the structure enables the injection inner cavity fixed blocks 7 to be connected with the fixed die plates 9 through positioning bolts 13, plastic parts can be conveniently disassembled and replaced, when notebooks with the same appearance and different inner cavities are produced, a user can replace the injection inner cavity fixed blocks 7 with different shapes, and the replacement, more convenient for production.

The working principle is as follows: when the injection mold for the notebook plastic part is used, the injection inner cavity shaping block 7 with a proper shape is taken out firstly, then the injection molding inner cavity shaping block 7 is clamped on the limiting block 6 through the limiting groove 4 for preliminary positioning, then the positioning bolt 13 is inserted into the positioning through hole 12 and is nailed into the inner hole of the injection molding inner cavity shaping block 7 to fix the injection molding inner cavity shaping block 7, the user can then snap the stopper 11 into the avoiding groove 10 to shield the positioning through hole 12, then the user can clamp the movable mould plate 3 outside the clamping column 2 through the clamping groove 1 to connect the movable mould plate 3 and the fixed mould plate 9 together, so that the movable mould outer cavity 8, the injection inner cavity fixed mould block 7 and the fixed mould plate 9 form an injection mould cavity, then, the plastic solution is poured into the injection molding cavity through the injection molding channel 5 for shaping and cooling, thereby completing a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides an injection mold for notebook working of plastics, includes cover half template (9), its characterized in that: positioning hole (12) have all been seted up to the inside both sides of cover half template (9), and positioning hole (12) in-connection has positioning bolt (13), positioning bolt (13) top external connection has injection molding inner chamber cover half (7), and injection molding inner chamber cover half (7) are located cover half template (9) top, four sides in cover half template (9) top are connected with joint post (2), and joint post (2) external connection has joint groove (1), joint groove (1) external connection has movable mould template (3), and inside movable mould outer cavity (8) of having seted up in movable mould template (3) below center, movable mould outer cavity (8) are located the injection molding inner chamber cover half (7) outside, and movable mould outer cavity (8) top is connected with injection molding passageway (5) to injection molding passageway (5) run through movable mould template (3).

2. An injection mold as claimed in claim 1, wherein: the joint post (2) is equipped with 4 at least, and joint post (2) below is cylindrical structure, and the top is hemispherical structure.

3. An injection mold as claimed in claim 1, wherein: limiting grooves (4) are formed in the lower portion of the injection molding inner cavity shaping block (7), and limiting blocks (6) are embedded in the limiting grooves (4).

4. An injection mold as claimed in claim 3, wherein: the limiting block (6) is located above the fixed die template (9), and the limiting block (6) is of a prismoid structure.

5. An injection mold as claimed in claim 1, wherein: an avoiding groove (10) is formed in the lower portion of the fixed die template (9), the avoiding groove (10) is located under the positioning through hole (12), and the avoiding groove (10) is of a rectangular structure.

6. An injection mold as claimed in claim 5, wherein: dodge the inside gomphosis of groove (10) and shelter from piece (11), and the length and width height that hides dog (11) is equalling in the length and width height that dodges groove (10) to shelter from the inside opening that has seted up in both sides of dog (11).

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