CN209649342U - A kind of four directions lid injection mold - Google Patents

Abstract

The utility model discloses a kind of cubic lid injection molds, die unit including injection molding unit, below injection molding unit, the injection molding unit is provided with the X-shaped hot runner manifold that heat preservation is shunted for sizing material liquid, and the X-shaped hot runner manifold central point is equipped with the material injection nozzle being opened at the top of injection molding unit；X-shaped hot runner manifold end run through have for penetrate melt after plastic pellet injection molding needle；This four directions lid injection mold keeps the constant of temperature by X-shaped hot runner manifold, guarantee the mobility of plastic pellet after melting and is shunted, and it is injected on cubic mold and is formed by injection molding needle, make this mold that can be completed at the same time the injection molded of eight four directions lids, plastic pellet mobility is strong after thawing, temperature is constant, to avoid the plastics premature solidification after fusing, production and processing after product quality high advantage simple in mold body structure.

Description

A kind of four directions lid injection mold

Technical field

The utility model relates to processing mold fields, more particularly, to a kind of cubic lid injection mold.

Background technique

Plastic casing with a lid is as daily necessity essential in daily life, such as soap box, soapbox, plastics Box, plastic lid mostly use greatly injection molded mode to be manufactured.Although currently, also thering is relevant mold to be given birth in enterprise Injection molding is produced, but structure is very complicated, the production cost is very high, plastic pellet premature solidification, so that product strength and quality are affected, It is easy to cause product quality defect.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of cubic lid injection mold.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of four directions lid injection mold, the die unit including injection molding unit, below injection molding unit, the injection molding are single Member is provided with the X-shaped hot runner manifold that heat preservation is shunted for plastic pellet after melting, and the X-shaped hot runner manifold central point is equipped with and opens Material injection nozzle of the mouth at the top of injection molding unit；X-shaped hot runner manifold end run through have for penetrate melt after plastic pellet injection molding Needle, the injection molding unit are divided into air cylinder fixed plate, hot runner plate, injection molding fixed plate, the injection molding from top to bottom Two pieces of note cavity plates are housed in fixed plate, sets in the note cavity plate and connects there are four injection molding cavity position, by injection aperture and injection molding cavity position Logical injecting cavity, the injecting cavity is in two injection molding cavity interdigits in same horizontal line；Injecting cavity is housed on the injection molding cavity position Mold insert, equipped with the injection mold insert for being inserted into heated seats mouth on the injecting cavity.

As a preference, the air cylinder fixed plate is equipped with cylinder chamber, and the cylinder chamber is provided with piston, the work Plug is fixed on injection molding needle top；The X-shaped hot runner manifold loaded in hot runner plate, insert by the hot runner plate bottom Equipped with the heated seats mouth being connected to cavity in X-shaped hot runner manifold, the heated seats mouth insertion injection molding fixed plate, the injection molding needle It sequentially passes through X-shaped hot runner manifold, heated seats mouth and protrudes into injection molding fixed plate.

As a preference, the die unit includes age of a draught animal fixed plate, push plate, note core fixed plate, cold baffle plate；Institute It states cold baffle plate and is equipped with the four directions note core model for sequentially passing through note core fixed plate, push plate, age of a draught animal fixed plate；The age of a draught animal fixed plate It is equipped with the pushing sleeve with four directions note core model cooperation.

As a preference, X-shaped hot runner manifold top edge is surrounded with heat-generating pipe.

The beneficial effects of the utility model are: this four directions lid injection mold keeps the perseverance of temperature by X-shaped hot runner manifold It is fixed, guarantee the mobility of plastic pellet after melting and shunted, and by be molded needle be injected on cubic mold progress at Shape makes this mold that can be completed at the same time the injection moldeds of eight four directions lids, and plastic pellet mobility is strong after thawing, temperature is constant, from And the plastics premature solidification after fusing is avoided, production and processing after product quality high advantage simple in mold body structure.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the diagrammatic cross-section one of the utility model；

Fig. 2 is the diagrammatic cross-section two of the utility model；

Fig. 3 is the air cylinder fixed plate schematic diagram of the utility model；

Fig. 4 is the hot runner plate schematic diagram of the utility model；

Fig. 5 is the injection molding fixed plate schematic diagram of the utility model；

Fig. 6 is the enlarged diagram of A in Fig. 5.

Specific embodiment

- Fig. 6 referring to Fig.1, a kind of four directions lid injection mold, including injection molding unit 1, the mold positioned at 1 lower section of injection molding unit Unit 2, injection molding unit 1 are provided with the X-shaped hot runner manifold 3 for shunting heat preservation for sizing material liquid, set on 3 central point of X-shaped hot runner manifold There is the material injection nozzle 4 for being opened on 1 top of injection molding unit；X-shaped hot runner manifold 3 end run through have for penetrate melt after plastic pellet Plastic pellet after thawing is added in X-shaped hot runner manifold 3, X-shaped hot-fluid by injection molding needle 5 by material injection nozzle 4 when in use 3 top edge of guidance tape is surrounded with heat-generating pipe 31, and the plastic pellet after being melted by 3 Duis of X-shaped hot runner manifold is shunted and guaranteed Its temperature, then be injected into die unit 2 and be formed by injection molding needle 5, so that the plastics premature solidification after fusing is avoided, Influence the quality of product；Injection molding unit 1 is divided into air cylinder fixed plate 11, hot runner plate 12, injection molding fixation from top to bottom Plate 13 is molded in fixed plate 13 and two pieces of note cavity plates 131 is housed, and infuses and is set in cavity plate 131 there are four injection molding cavity position 132, passes through injection The injecting cavity 134 that aperture 133 is connected to injection molding cavity position 132, injection molding cavity position 132 is in two injection molding cavity positions in same horizontal line Between 132, it can be completed at the same time the injection molding of eight four directions lids, improve production efficiency；Injecting cavity mold insert 135 is housed on injection molding cavity position 132, Equipped with the injection mold insert 136 for being inserted into heated seats mouth 16 on injecting cavity 134, heated seats mouth is protected by injection mold insert 136 16, while it being provided with hole in the bottom of injection mold insert 136, the plastic pellet after thawing passes through injection aperture 133 after hole Into in injection molding cavity position 132.

Injection molding unit 1 is divided into air cylinder fixed plate 11, hot runner plate 12, injection molding fixed plate 13 from top to bottom；Gas Cylinder fixed plate 11 is equipped with cylinder chamber 14, and cylinder chamber 14 is provided with piston 15, and piston 15 is fixed on injection molding 5 top of needle；X-shaped heat Runner plate 3 is fitted in 12 bottom of hot runner plate and connects with cavity in X-shaped hot runner manifold 3 loaded in hot runner plate 12 Logical heated seats mouth 16, the insertion of heated seats mouth 16 are molded in fixed plate 13, and heated seats mouth 16 is further ensured that the plastics after melting Particle temperature it is constant；Injection molding needle 5 sequentially passes through X-shaped hot runner manifold 3, heated seats mouth 16 and protrudes into injection molding fixed plate 13； When in use, the piston 15 in cylinder chamber 14 moves up and down injection molding needle 5 by the variation of air pressure, passes through control and is molded valve Gap between needle 5 and heated seats mouth 16 adjusts the influx of the plastic pellet after melting.

It is molded in fixed plate 13 and two pieces of note cavity plates 131 is housed, infuse and set in cavity plate 131 there are four injection molding cavity position 132, pass through note The injecting cavity 134 that aperture 133 is connected to injection molding cavity position 132 is penetrated, injection molding cavity position 132 is in two injection molding cavity positions in same horizontal line Between 132, it can be completed at the same time the injection molding of eight four directions lids, improve production efficiency；Injecting cavity mold insert is housed on injection molding cavity position 132 135, equipped with the injection mold insert 136 for being inserted into heated seats mouth 16 on injecting cavity 134, heating is protected by injection mold insert 136 Seat mouth 16, while it being provided with hole in the bottom of injection mold insert 136, the plastic pellet after thawing passes through injection aperture after hole 133 enter in injection molding cavity position 132.

Die unit 2 includes age of a draught animal fixed plate 21, push plate 22, note core fixed plate 23, cold baffle plate 24；On cold baffle plate 24 Equipped with the four directions note core model 25 for sequentially passing through note core fixed plate 23, push plate 22, age of a draught animal fixed plate 21, it is equipped on the note core model 25 of four directions Cubic cover mold 26 positioned at 135 lower section of injecting cavity mold insert；Age of a draught animal fixed plate 21 is equipped with the pushing sleeve cooperated with four directions note core model 25 27, push four directions note core model 25 to injecting cavity mold insert 135, the solidification forming on the note core model 25 of four directions of the plastic pellet after thawing.

According to above-mentioned principle, the utility model can also be made appropriate changes and modifications to the above embodiments.Therefore, The utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the utility model It should also be as falling into the protection scope of the claims of the present utility model.

Claims (4)

1. a kind of four directions lid injection mold, which is characterized in that including injection molding unit (1), the mold being located at below injection molding unit (1) Unit (2), the injection molding unit (1) are provided with the X-shaped hot runner manifold (3) that heat preservation is shunted for plastic pellet after melting, the X Shape hot runner manifold (3) central point is equipped with the material injection nozzle (4) being opened at the top of injection molding unit (1)；The X-shaped hot runner manifold (3) End run through have for penetrate melt after plastic pellet injection molding needle (5), the injection molding unit (1) is divided into gas from top to bottom Cylinder fixed plate (11), is molded fixed plate (13) at hot runner plate (12), and two pieces of note chambers are housed on the injection molding fixed plate (13) Plate (131) is set on the note cavity plate (131) there are four injection molding cavity position (132), by injection aperture (133) and injection molding cavity position (132) injecting cavity (134) being connected to, the injecting cavity (134) is between two injection molding cavity positions (132) in same horizontal line；Institute It states and injecting cavity mold insert (135) is housed on injection molding cavity position (132), equipped with for being inserted into heated seats mouth on the injecting cavity (134) (16) injection mold insert (136).

2. a kind of cubic lid injection mold according to claim 1, which is characterized in that set on the air cylinder fixed plate (11) Have cylinder chamber (14), the cylinder chamber (14) is provided with piston (15), and the piston (15) is fixed on injection molding needle (5) top； The X-shaped hot runner manifold (3) is loaded in hot runner plate (12), and hot runner plate (12) bottom is fitted with and X-shaped The heated seats mouth (16) of the interior cavity connection of hot runner manifold (3), heated seats mouth (16) insertion injection molding fixed plate (13), the note Modeling needle (5) sequentially passes through X-shaped hot runner manifold (3), heated seats mouth (16) and protrudes into injection molding fixed plate (13).

3. a kind of cubic lid injection mold according to claim 1, which is characterized in that the die unit (2) includes tooth Mouth fixed plate (21), push plate (22), note core fixed plate (23), cold baffle plate (24)；The cold baffle plate (24) is equipped with successively Infuse core model (25) in four directions across note core fixed plate (23), push plate (22), age of a draught animal fixed plate (21)；The age of a draught animal fixed plate (21) It is equipped with the pushing sleeve (27) with four directions note core model (25) cooperation.

4. a kind of cubic lid injection mold according to claim 2, which is characterized in that at the top of the X-shaped hot runner manifold (3) Edge is surrounded with heat-generating pipe (31).