1. The utility model provides an injection mold of two-chamber cosmetic bottle body which characterized in that: the die comprises a fixed die (1) and a movable die (2), wherein the fixed die (1) and the movable die (2) are vertically arranged opposite to each other, a plurality of groups of cavities (11) with axes vertical to the plane of the fixed die (1) are concavely arranged on the fixed die (1), a plurality of groups of cores (21) with axes vertical to the plane of the movable die (2) are arranged on the movable die (2), and each group of cores (21) is in plug-in fit with the cavities (11); notches (22) are formed in each group of the mold cores (21), and the mold cores (21) are divided into two parts by the notches (22); and a runner (12) which is communicated with the fixed die (1) is arranged on the end surface of one side of the fixed die (2), and the runners (12) of each group are communicated with the inner bottom surface of the cavity (11).

2. The injection mold of a dual-cavity cosmetic bottle of claim 1, wherein: a base (3) is installed on one side, away from the fixed die (1), of the movable die (2), and the base (3) is fixedly connected with an injection molding machine (5); a plurality of groups of round holes (23) which are horizontally opposite to the cavity (11) are arranged on the movable die (2) in a penetrating way, and each group of die cores (21) penetrate through the round holes (23) and are fixedly connected with the base (3).

3. The injection mold of a dual-cavity cosmetic bottle of claim 2, wherein: the two sides of the base (3) are integrally fixed with transverse plates (31) facing the movable mold (2), the transverse plates (31) are far away from one end of the base (3) and extend towards the two sides, the two sides of the movable mold (2) are respectively fixed with limiting frames (24), and the transverse plates (31) and the limiting frames (24) are connected in an inserting mode and slide.

4. The injection mold of a dual-cavity cosmetic bottle of claim 3, wherein: guide holes (13) are concavely arranged at four corners of the end surface of one side of the fixed die (1) facing the movable die (2), and the axis of each group of guide holes (13) is vertical to the plane of the fixed die (1); the base (3) orientation the four corners position of a side end face of cover half (1) all is fixed with guide post (4), each group the axial perpendicular to of guide post (4) the place plane of base (3), link up on movable mould (2) and seted up four groups jack (25), each group guide post (4) with just to setting up jack (25) are pegged graft and are slided, each group guide post (4) are pegged graft with guiding hole (13) and are cooperated.

5. The injection mold of a dual-cavity cosmetic bottle of claim 4, wherein: a water channel (14) which is arranged in a winding way is concavely arranged in the fixed die (1), the water channel (14) is distributed around each group of the die cavities (11), and a water inlet and a water outlet of each group of the water channel (14) are connected with a water pipe (141).

6. The injection mold of a dual-cavity cosmetic bottle of claim 5, wherein: the inner bottom surface of the cavity (11) is of a spherical structure, and the end part of the mold core (21) facing the cavity (11) is of a spherical structure.

7. The injection mold of a dual-cavity cosmetic bottle of claim 6, wherein: each group of round holes (23) face one end of the fixed die (1) and are provided with guide plates (231), the die core (21) penetrates through the guide plates (231), and the guide plates (231) are in screw connection with the movable die (2).

8. The injection mold of a dual-cavity cosmetic bottle of claim 7, wherein: and positioning plates (15) are respectively arranged on the upper horizontal edge and the lower horizontal edge of the end surface of one side, facing the movable die (2), of the fixed die (1), each group of guide holes (13) penetrate through the positioning plates (15), and bolts (232) connected with the injection molding machine (5) are inserted into the positioning plates (15).

9. The injection mold of a dual-cavity cosmetic bottle of claim 8, wherein: a plurality of groups of bolts (232) are inserted into the vertical end face of one side, facing the fixed die (1), of the fixed die (1), each group of bolts (232) are located in each group of cavities (11) and water channels (14) in staggered distribution, and each group of bolts (232) penetrate through the fixed die (1) and are connected with an injection molding machine (5).

Background

An injection mold is a device in which a resin material is injected into a metal mold to obtain a product having a predetermined shape. In order to control the temperature of the mold, the mold is further provided with a cooling hole or the like through which a cooling medium passes. In the process of injection molding, the material which becomes a melt enters the mold through a runner on the mold, the melt is continuously injected into the mold cavity, and the mold cavity is tightly filled with the melt. After the cooling stage, the mold is opened, and the ejector rod is ejected out by an ejector device on the molding machine to push out the product in the mold cavity.

In the cosmetic packaging process, the bottle body needs to be designed according to relevant requirements, and then the mold needs to be designed and manufactured according to the structure of the bottle body. In the process of forming the cosmetic bottle, a mould is arranged on the injection molding machine, a pressure pump is arranged on one side of the injection molding machine, and the pressure pump continuously conveys the melt into the mould; when the bottle body is formed, the melt continuously enters into each group of the die cavities along with the continuous driving of the injection molding machine, the melt inside the die cavities is cooled and condensed under the action of the cooling device, and finally the die is opened, so that all the manufacturing processes of each group of the produced cosmetic bottle bodies inside the die cavities are completed.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: in the forming process of cosmetic bottle, current cosmetic bottle is mostly single chamber formula structure, to the article of part cosmetics, need use two kinds of material cooperations before using, because current cosmetic bottle is mostly single chamber formula structure, and the bottle is when shaping, and current mould is difficult to the bottle shaping of dual chamber formula, so has improved space.

Disclosure of Invention

In order to realize the molding and manufacturing of the double-cavity type bottle body, the application provides an injection mold of the double-cavity cosmetic bottle body.

The application provides an injection mold of two-chamber cosmetic bottle body adopts following technical scheme:

an injection mold of a double-cavity cosmetic bottle body comprises a fixed mold and a movable mold, wherein the fixed mold and the movable mold are vertically arranged opposite to each other, a plurality of groups of mold cavities with axes vertical to the plane of the fixed mold are concavely arranged on the fixed mold, a plurality of groups of mold cores with axes vertical to the plane of the movable mold are arranged on the movable mold, and each group of mold cores is in inserted fit with the mold cavities; notches are formed in each group of the mold cores, and the mold cores are divided into two parts by the notches; and runners which are communicated are arranged on the end surface of one side of the fixed die, which is far away from the movable die, and the runners of each group are communicated with the inner bottom surface of the cavities of each group.

By adopting the technical scheme, before the double-cavity bottle body is formed, the mold is positioned on an injection molding machine, the movable mold and the fixed mold are respectively arranged at two sides of the injection molding machine, the melt is continuously supplied to one side of the injection molding machine, when the injection molding is carried out, the injection molding machine drives the movable mold to continuously move towards one side of the fixed mold, so that each group of the mold cores are continuously inserted into the cavity which is just opposite to the fixed mold, the mold core blocks the inlet of the cavity, the injection molding machine is driven, the melt is continuously filled into each group of the mold cavities on the movable mold through the runner, the space in the cavity is filled with the melt, the notch position on the mold core is filled with the melt under the driving of pressure, after the melt is condensed, the injection molding machine drives the movable mold to be separated from the fixed mold, so that each group of the mold cores are continuously separated from the interior of the cavity, and the bottle body formed by condensation in the cavity is separated from the interior of the cavity along with the mold core, at this moment, because of the arrangement of the notch, the bottle body of the bottle body is integrally formed with a part which divides the bottle body into two parts, so that the forming of a double-cavity structure on the bottle body is realized, and the containing of the cosmetic bottle body for two cosmetic substances can be further met, the mould is used for injection molding and condensation on an injection molding machine for multiple times, and batch production of the double-cavity bottle bodies of each group is realized.

Preferably, a base is installed on one side, away from the fixed die, of the movable die, and the base is fixedly connected with the injection molding machine; and a plurality of groups of round holes which are horizontally opposite to the cavity are arranged on the movable die in a run-through manner, and each group of the die cores run through the round holes and are fixedly connected with the base.

By adopting the technical scheme, the base deviates from one side of the movable mould deviating from the fixed mould, each group of mould cores is fixedly connected with the base, the mould cores penetrate through the round holes in the movable mould, and each group of round holes plays a role in guiding the mould cores; when the movable die slides out of the cavity of the fixed die under the driving of the injection molding machine, the injection molding machine drives the movable die to slide relative to the base, and the bottles molded on each group of die cores are pushed down, so that the automatic blanking of each group of bottles on the die cores is realized.

Preferably, the two sides of the base are integrally fixed with transverse plates facing the movable mold, one end of each transverse plate, far away from the base, extends towards the two sides, the two sides of the movable mold are respectively fixed with a limiting frame, and the transverse plates and the limiting frames are connected in an inserting and sliding mode.

Through adopting above-mentioned technical scheme, the diaphragm is fixed in the both sides of base, when carrying out the blanking of bottle from the mold core, and each group's diaphragm slides with each group's spacing frame grafting this moment, and the setting up of diaphragm and spacing frame makes the relative base's of movable mould motion more stable, has reduced the vibrations of motion process.

Preferably, guide holes are concavely formed in four corners of the end surface of one side, facing the movable die, of the fixed die, and the axis of each group of the guide holes is perpendicular to the plane of the fixed die; the four corners of the end face of one side of the fixed die, facing the base, are fixed with guide posts, the axial direction of each group of guide posts is perpendicular to the plane of the base, the movable die is provided with four groups of jacks in a run-through manner, each group of guide posts is in plug-in sliding with the jacks which are just opposite to the guide posts, and each group of guide posts is in plug-in matching with the guide holes.

Through adopting above-mentioned technical scheme, each group's guiding hole is located the four corners position of cover half, and each group's guide post runs through the jack on the movable mould, and when carrying out injection moulding, injection molding machine drive base and movable mould moved to one side of cover half this moment, and each group's guide post runs through the jack and with each group's guiding hole grafting cooperation, and the aforesaid has realized guaranteeing the cover half just to with the movable mould, plays the guide effect when being close to the movable mould to the cover half.

Preferably, a water channel which is arranged in a roundabout mode is concavely arranged in the fixed die, the water channel is distributed around each group of the die cavities, and a water inlet and a water outlet of each group of the water channel are connected with water pipes.

Through adopting above-mentioned technical scheme, the water course is located inside the cover half, and the water course distributes around each group die cavity, and the water inlet and the delivery port of water course are connected with the water pipe, and when carrying out the injection moulding of each group bottle, constantly with each group's water pipe to the inside water injection of water course, the water-cooling of movable mould has been realized to the aforesaid setting, so when carrying out the injection moulding of each group bottle, the bottle reduces at the inside condensation time of die cavity this moment, and then has promoted the overall efficiency when this mould carries out injection moulding.

Preferably, the inner bottom surface of the cavity is of a spherical structure, and the end part of the mold core facing the cavity is of a spherical structure.

Through adopting above-mentioned technical scheme, the tip of die cavity and mold core all is spherical structure, and when carrying out the injection moulding of bottle, the bottom of the fashioned bottle at this moment is spherical, and the lower tip of event bottle is when deviating from the die cavity is inside, and the stress of bottle tip is comparatively dispersed, and the bottle is difficult for taking place to break and leak because of the bonding of tip in the die cavity is inside.

Preferably, each group of the round holes face one end of the fixed die and are provided with guide plates, the die cores penetrate through the guide plates, and the guide plates are connected with the movable die through screws.

Through adopting above-mentioned technical scheme, the deflector is located the position of each group's round hole, and the mold core slides with each group's deflector grafting, and the setting of deflector plays the guide effect to the mold core, and when going up unloading from the mold core with each group's bottle simultaneously, the deflector plays the impetus to each group's bottle.

Preferably, the fixed die is provided with positioning plates on the upper horizontal edge and the lower horizontal edge of the end face of one side of the movable die, each group of the guide holes penetrates through the positioning plates, and bolts connected with the injection molding machine are inserted into the positioning plates of each group.

Through adopting above-mentioned technical scheme, the locating plate is located the upper and lower end of cover half, and each group bolt runs through locating plate and movable mould, and bolt and injection molding machine threaded connection have then realized the fixed of cover half on the injection molding machine, and the whole process is convenient high-efficient.

Preferably, a plurality of groups of bolts are inserted into the vertical end face of one side of the fixed die, facing the fixed die, the bolts in each group are positioned in the cavities and the water channels in staggered distribution, and the bolts in each group penetrate through the fixed die and are connected with an injection molding machine.

Through adopting above-mentioned technical scheme, each group's bolt runs through the movable mould, and the equal dislocation distribution of bolt and water course and die cavity has realized the fixed mounting with the cover half on the injection molding machine, so the stability of cover half on the injection molding machine is higher.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the injection molding machine is driven, the melt is continuously filled into each group of cavities on the movable mold through the runner, the melt fills the space in the cavities, the melt fills the notch positions on the mold cores under the driving of pressure, after the melt is condensed, the injection molding machine drives the movable mold to separate from the fixed mold, and then each group of mold cores continuously separate from the cavities, so that the bottle body formed by condensation in the cavities also separates from the interiors of the cavities along with the mold cores, and at the moment, because of the arrangement of the notches, a part for dividing the bottle body into two parts is integrally formed on the bottle body of the bottle body, so that the double-cavity structure on the bottle body is formed, the containing of two cosmetic substances by the cosmetic bottle body can be met, the mold performs injection molding and condensation on the injection molding machine for multiple times, and the batch production of each group of double-cavity bottle bodies is realized;

2. the base deviates from one side of the movable mould deviating from the fixed mould, each group of mould cores are fixedly connected with the base, the mould cores penetrate through the round holes in the movable mould, and each group of round holes play a role in guiding the mould cores; when the movable mold slides out of the cavity of the fixed mold under the driving of the injection molding machine, the injection molding machine drives the movable mold to slide relative to the base, and the bottle bodies formed on each group of mold cores are pushed down, so that the automatic blanking of each group of bottle bodies on the mold cores is realized; the transverse plates are fixed on two sides of the base, when the bottle body is discharged from the mold core, the transverse plates and the limiting frames are inserted and slide, and the arrangement of the transverse plates and the limiting frames enables the moving mold to move relatively to the base more stably, so that the vibration in the moving process is reduced;

3. the water course is located inside the cover half, and the water course distributes around each group die cavity, and the water inlet and the delivery port of water course are connected with the water pipe, and when carrying out the injection moulding of each group bottle, constantly with each group's water pipe to the inside water injection of water course, the water-cooling of movable mould has been realized to the aforesaid setting, so when carrying out the injection moulding of each group bottle, the bottle reduces at the inside condensation time of die cavity this moment, and then has promoted the whole efficiency when this mould carries out injection moulding.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the overall structure of the mold of the present application;

FIG. 3 is an exploded view of a stationary mold in a mold;

fig. 4 is an enlarged view at a in fig. 3.

Description of reference numerals: 1. fixing a mold; 11. a cavity; 12. a flow channel; 13. a guide hole; 14. a water channel; 141. a water pipe; 15. positioning a plate; 2. moving the mold; 21. a mold core; 22. a notch; 23. a circular hole; 231. a guide plate; 232. a bolt; 24. a limiting frame; 25. a jack; 3. a base; 31. a transverse plate; 4. a guide post; 5. an injection molding machine; 51. a hopper; 52. a pressure pump; 521. a feed pipe; 53. a slide rail; 6. and (4) a bottle body.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an injection mold of a double-cavity cosmetic bottle body. Referring to fig. 1, an injection molding machine 5 is horizontally installed on the ground, a pressure pump 52 is installed on one side of the injection molding machine 5, a hopper 51 with an upward opening is installed on the injection molding machine 5, the hopper 51 is positioned above the pressure pump 52, and a melt for injection molding is poured into the hopper 51; the inlet of the pressure pump 52 is communicated with the lower part of the hopper 51, and the melt enters the pressure pump 52; the outlet of the pressure pump 52 is connected with a feed pipe 521, and the feed pipe 521 continuously conveys the melt. The injection mold is installed on the injection molding machine 5 and comprises a fixed mold 1 and a movable mold 2, the fixed mold 1 and the movable mold 2 are vertically opposite, and the fixed mold 1 and the movable mold 2 are respectively installed on the vertical end faces of the two sides of the injection molding machine 5.

Referring to fig. 1 and 2, a plurality of sets of cavities 11 with axes perpendicular to the plane of the fixed mold 1 are concavely arranged on the fixed mold 1, and the cavities 11 of each set are distributed up and down, preferably, four sets of cavities 11 are arranged in this embodiment, the cavities 11 are distributed in pairs, each set of cavities 11 is a cylindrical cavity structure, and the axes of the cavities 11 of each set are located on the same vertical end surface. The inlet position of each group of the cavities 11 is provided with a guide plate 231 with a circular ring structure, the inner circumference caliber of each group of the guide plates 231 is the same as the aperture of the cavity 11, and each group of the guide plates 231 is fixedly connected with the injection molding machine 5 through a plurality of groups of screws. The fixed die 1 is provided with a positioning plate 15 on the upper horizontal edge and the lower horizontal edge of one side end surface of the movable die 2, and the positioning plate 15 is a cuboid. Four corners of the end surface of one side of the fixed die 1 facing the movable die 2 are respectively provided with a guide hole 13 in a concave manner, and the axis of each group of guide holes 13 is vertical to the plane of the fixed die 1; each group of guide holes 13 penetrates through the two horizontal ends of the positioning plate 15, and a plurality of groups of screws in threaded connection with the fixed die 1 penetrate through the positioning plate 15. The base 3 is a frame structure, a power device penetrating through the base 3 is installed on the injection molding machine 5, the power device is connected with the end face, deviating from the fixed die 1, of the movable die 2, and the movable die 2 is driven to move independently.

Referring to fig. 3 and 4, a base 3 is installed on one side of the movable mold 2 away from the fixed mold 1, and a plurality of groups of round holes 23 are formed in the movable mold 2 in a penetrating manner. The positions of the round holes 23 are horizontally opposite to the positions of the cavities 11, the inlet of one side of each round hole 23 facing the fixed die 1 is connected with a guide plate 231 through screws, and the guide plate 231 is connected with the movable die 2 through screws. The inner diameter of the guide plate 231 is the same as the diameter of the circular hole 23. The four corners of the base 3 towards the end surface of one side of the fixed die 1 are respectively fixed with a guide post 4, and one end of the guide post 4 far away from the base 3 is chamfered. The axial direction of each group of guide posts 4 is perpendicular to the plane of the base 3, four groups of corner positions of the movable mold 2 are all provided with insertion holes 25 in a penetrating way, each group of guide posts 4 and the insertion holes 25 which are arranged oppositely are inserted and slide, and each group of guide posts 4 and the guide holes 13 are inserted and matched.

A plurality of groups of mold cores 21 with axes vertical to the plane of the movable mold 2 are arranged on the vertical end surface of one side of the base 3 close to the movable mold 2, one end of each mold core 21 far away from the base 3 is in spherical transition, and the inner bottom surface of each group of cavities 11 is in a spherical structure. Each set of mold cores 21 is inserted and matched with the mold cavity 11. Each group of mold cores 21 and the guide plate 231 are inserted and slide; the end of each group of mold cores 21 far away from the base 3 is provided with a notch 22, and the position of the notch 22 is designed according to the space occupation ratio of two sides of the bottle 6 to be produced, so that the notch 22 divides the whole mold core 21 into two parts.

Referring to fig. 1 and 3, a flow passage 12 is formed in an end surface of the fixed mold 1, which is away from the movable mold 2, and each group of flow passages 12 is communicated with an inner bottom surface of each group of cavities 11. The feeding pipe 521 of the injection molding machine 5 is communicated with the runners 12, so that the melt continuously enters the inside of each group of runners 12, and each group of cavities 11 is filled by means of each group of runners 12. A plurality of groups of water channels 14 which are arranged in a winding way are concavely arranged in the fixed die 1, the water channels 14 are distributed around each group of die cavities 11, and water pipes 141 are connected to water inlets and water outlets of each group of water channels 14.

A plurality of groups of bolts 232 are inserted on the vertical end surface of one side of the fixed die 1 facing the fixed die 1, and each group of bolts 232 is positioned in each group of die cavities 11 and communicated with the water channel 14. The both sides of base 3 all are fixed with the diaphragm 31 towards movable mould 2 integratively, and diaphragm 31 level sets up, and the one end that base 3 was kept away from to diaphragm 31 extends to both sides, and the both sides of movable mould 2 are fixed with spacing frame 24, and each group's diaphragm 31 slides with spacing frame 24 grafting, and when the one end of base 3 was kept away from to diaphragm 31 contacted with spacing frame 24, movable mould 2 was spacing with the motion of base 3.

The implementation principle of the injection mold of the double-cavity cosmetic bottle body in the embodiment of the application is as follows:

before the double-cavity cosmetic bottle is produced, the mold is mounted on an injection molding machine 5, a fixed mold 1 is mounted on the vertical end face close to one side of a pressure pump 52 by means of bolts 232, a base 3 is mounted on the end face far away from one side of the pressure pump 52, a sliding rail 53 is mounted on the injection molding machine 5, and the two sides of the injection molding machine 5 continuously move in a reciprocating mode along the sliding rail 53. At this time, the movable mold 2 is installed on the injection molding machine 5, and the transverse plate 31 is inserted into and slides with each group of the limit frames 24.

Pouring the melt into the hopper 51, starting the injection molding machine 5, and continuously operating the pressure pump 52, so that the melt in the hopper 51 is continuously conveyed to the interior of the feed pipe 521 through the pressure pump 52, and the feed pipe 521 is communicated with each group of runners 12. When injection molding is performed, one side of the injection molding machine 5 approaches the fixed mold 1 along the slide rail 53. At this time, each set of mold cores 21 is inserted into the cavity 11, the pressure pump 52 is driven to continuously fill the cavity 11 with the melt, the notch 22 with the melt, and at this time, the pressure pump 52 is powered off, so that the melt is not filled into the cavity 11. The water body is continuously circulated in the water pipe 141 to cool the fixed mold 1. The condensation molding of the bottle bodies 6 in each set of cavities 11 is promoted.

The injection molding machine 5 is driven to separate the movable mold 2 and the base 3 from the movable mold 2. At the moment, the groups of the bottle bodies 6 are positioned on the mold cores 21, at the moment, a power device on the injection molding machine 5 is connected with the movable mold 2 to drive the movable mold 2 to move towards one side of the fixed mold 1, at the moment, the groups of the mold cores 21 are inserted into the positioning plates 15 at the positions of the round holes 23 to slide, along with the movement of the movable mold 2, the transverse plate 31 slides in the limiting frames 24, the end parts of the transverse plate 31 are tightly abutted against the limiting frames 24 to be limited, at the moment, the bottle bodies 6 are gradually separated from the mold cores 21, and the forming of the groups of the bottle bodies 6 is completed. Because the setting of notch 22, integrated into one piece has the part of dividing bottle 6 into two on the body of bottle 6, and then has realized the shaping to two-chamber structure on the bottle 6, and then can satisfy cosmetic bottle 6 to the splendid attire of two kinds of cosmetics materials, and this mould moulds plastics, the condensation many times on injection molding machine 5, makes each group of two-chamber bottle 6 realize batch production.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.