CN217346454U

CN217346454U - Injection mold for toy manufacturing

Info

Publication number: CN217346454U
Application number: CN202220423380.XU
Authority: CN
Inventors: 胡振治
Original assignee: Dongguan Gaomei Toys Co ltd
Current assignee: Dongguan Gaomei Toys Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-09-02
Anticipated expiration: 2032-03-01

Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold for toy manufacturing, which comprises an upper mold, a lower mold, a bottom plate, an injection port, a backing plate, a fixed block, a fixed rod, a movable plate, a spring, a push rod, a top plate, a guide pillar, a first mold core and a second mold core; the upper die is arranged at the top end of the lower die, the bottom plate is arranged below the lower die, the injection molding port is arranged in the middle of the upper surface of the upper die, the lower surface of the lower die is arranged on the base plate, and the two fixing blocks are symmetrically arranged on two sides of the bottom of the base plate. The utility model discloses a push rod drives the ejector pin with the model with last mould jack-up that makes progress, will go up the mould by the staff again and upwards take out, with the model from a mold core and No. two mold cores take off can, made things convenient for drawing of patterns work and the clearance to lower model chamber, for actual production and processing facilitate, simple structure, the simple operation has wide market prospect, does benefit to the popularization.

Description

Injection mold for toy manufacturing

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold for toy manufacturing.

Background

In the process of toy manufacturing, plastic parts such as toy shells and the like need to be subjected to injection molding processing. The injection molding processing refers to a processing process of making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die through an injection molding machine. The injection molding machine applies high pressure to the molten plastic to inject the molten plastic to fill the mold cavity, and the mold can be demolded after the mold in the mold is cooled.

Toy injection mold of prior art is mostly traditional structural design, and when the drawing of patterns, inconvenient takes out the model from the die cavity, also is inconvenient to clear up the die cavity after the drawing of patterns moreover, brings inconvenience for actual production and processing, for this reason, we provide an injection mold for toy manufacturing.

SUMMERY OF THE UTILITY MODEL

In view of the above problems existing in the prior art, the utility model provides an injection mold for toy manufacturing.

In order to achieve the purpose, the utility model provides an injection mold for toy manufacturing, which comprises an upper mold, a lower mold, a bottom plate, an injection port, a base plate, a fixed block, a fixed rod, a movable plate, a spring, a push rod, a top plate, a guide pillar, a first mold core and a second mold core; the upper die is arranged at the top end of the lower die, the bottom plate is arranged below the lower die, the injection molding opening is arranged in the middle of the upper surface of the upper die, the backing plate is arranged on the lower surface of the lower die, the two fixing blocks are symmetrically arranged on two sides of the bottom of the backing plate, and the bottom plate is fixedly connected with the other ends of the two fixing blocks;

the number of the fixed rods is two, the fixed rods are symmetrically distributed in a gap defined by the bottom plate, the base plate and the fixed blocks, two ends of each fixed rod are fixedly connected with the base plate and the bottom plate respectively, the movable plate is sleeved between the two fixed rods in a sliding mode, the fixed rods are sleeved with springs in a sliding mode, and two ends of each spring are fixedly connected with the upper surfaces of the base plate and the movable plate respectively;

one end of the push rod is fixedly connected with the pushing end of the external air cylinder, the other end of the push rod is fixedly connected with the middle part of the lower surface of the movable plate, the ejector rods are symmetrically arranged on the upper surface of the movable plate and located between the two fixed rods, the other end of the ejector rod penetrates into the cavity of the lower die in a sliding mode and extends into the cavity of the lower die, and the top plate is arranged in the cavity of the lower die in a sliding mode and is fixedly connected with the ejector rods;

the guide posts are symmetrically arranged at four corners of the bottom of the upper die, the upper die is tightly inserted into the lower die through the guide posts, the first die core is arranged on the lower surface of the upper die and arranged in a cavity of the lower die, the bottom end of the first die core is pressed on the top plate, and the second die core is symmetrically arranged on two sides of the first die core.

Preferably, the runner is arranged in the upper die and is a three-fork runner, the opening at the top is communicated with the injection molding opening, and the two openings at the bottom are respectively arranged above the two second die cores and are communicated with the cavity of the lower die.

Preferably, the four corners of the top end of the lower die are provided with positioning holes, and the guide pillars are inserted into the positioning holes and tightly attached to the inner walls of the positioning holes.

Preferably, the bottom of the lower die is provided with a movable hole matched with the ejector rod, and the ejector rod penetrates through the movable hole and is in sliding connection with the inner wall of the movable hole.

Preferably, the mid-mounting of roof upper surface has the reference column, the constant head tank with reference column looks adaptation is seted up in the bottom middle part of a mold core, a mold core passes through the inseparable joint of constant head tank and reference column.

Preferably, the positioning column is in a regular quadrangular frustum pyramid shape.

Compared with the prior art, the utility model provides an injection mold for toy manufacturing has following beneficial effect:

the utility model discloses when using, in pouring into the runner with hot melt plastics through moulding plastics the mouth, utilize two openings of runner bottom to be full of the hot melt plastics in the die cavity of both sides, treat model cooling back in the mould, drive push rod and ejector pin rebound through outside cylinder, make the ejector pin with the mould of roof and lower mould intracavity jack-up that makes progress, drive then and go up the mould jack-up that makes progress, the staff will go up the mould and upwards take out simultaneously, can follow the mould and swiftly take out the model from the lower mould, again with the model from a mold core and No. two mold cores take off can, the drawing of patterns work has been made things convenient for, also conveniently clear up the die cavity of lower mould simultaneously, for practical production and processing bring facility, moreover, the steam generator is simple in structure, and convenient for operation, wide market prospect has, do benefit to the popularization.

Drawings

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

FIG. 2 is a schematic front sectional view of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the first mold core of the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. a base plate; 4. an injection molding port; 5. a backing plate; 6. a fixed block; 7. fixing the rod; 8. a movable plate; 9. a spring; 10. a push rod; 11. a top rod; 12. a top plate; 13. a guide post; 14. a first mold core; 15. a second mold core; 16. a flow channel; 17. and a positioning column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Referring to fig. 1-3, an injection mold for manufacturing a toy includes an upper mold 1, a lower mold 2, a bottom plate 3, an injection port 4, a pad 5, a fixing block 6, a fixing rod 7, a movable plate 8, a spring 9, a push rod 10, a push rod 11, a top plate 12, a guide post 13, a first mold core 14, and a second mold core 15; the upper die 1 is arranged at the top end of the lower die 2, the bottom plate 3 is arranged below the lower die 2, the injection molding port 4 is arranged in the middle of the upper surface of the upper die 1, the backing plate 5 is arranged on the lower surface of the lower die 2, the two fixing blocks 6 are symmetrically arranged on two sides of the bottom of the backing plate 5, and the bottom plate 3 is fixedly connected with the other ends of the two fixing blocks 6;

the number of the fixed rods 7 is two, the two fixed rods are symmetrically distributed in a gap defined by the base plate 3, the backing plate 5 and the fixed block 6, two ends of each fixed rod 7 are fixedly connected with the backing plate 5 and the base plate 3 respectively, the movable plate 8 is slidably sleeved between the two fixed rods 7, the fixed rods 7 are slidably sleeved with the springs 9, two ends of each spring 9 are fixedly connected with the backing plate 5 and the upper surface of the corresponding movable plate 8 respectively, and the springs 9 play a role in ejecting and buffering, so that the movable plates 8 and the backing plate 5 are prevented from being damaged due to direct collision;

one end of a push rod 10 is fixedly connected with the pushing end of an external cylinder, the other end of the push rod is fixedly connected with the middle part of the lower surface of the movable plate 8, ejector rods 11 are symmetrically arranged on the upper surface of the movable plate 8 and are positioned between the two fixing rods 7, the other end of the ejector rod 11 is inserted and extended into a cavity of the lower die 2 in a sliding manner, and a top plate 12 is arranged in the cavity of the lower die 2 in a sliding manner and is fixedly connected with the ejector rod 11;

guide pillars 13 are symmetrically arranged at four corners of the bottom of an upper die 1, the upper die 1 is closely inserted into a lower die 2 through the guide pillars 13, a first die core 14 is arranged on the lower surface of the upper die 1 and arranged in a cavity of the lower die 2, the bottom end of the first die core 14 is pressed on a top plate 12, and a second die core 15 is symmetrically arranged at two sides of the first die core 14.

The runner 16 is arranged in the upper die 1, the runner 16 is a three-fork runner, an opening at the top is communicated with the injection molding port 4, two openings at the bottom are respectively arranged above the two second die cores 15 and are communicated with the cavity of the lower die 2, hot melt plastics can be conveniently injected into the cavity rapidly, and injection molding of plastic toy parts is also facilitated.

The locating holes are formed in four corners of the top end of the lower die 2, the guide columns 13 are inserted into the locating holes and tightly attached to the inner walls of the locating holes, and therefore the rapid and stable assembly between the upper die 1 and the lower die 2 is facilitated.

The bottom of the lower die 2 is provided with a movable hole matched with the ejector rod 11, the ejector rod 11 penetrates through the movable hole and is in sliding connection with the inner wall of the movable hole, the movable plate 8 and the ejector rod 11 are driven by the push rod 10 to lift conveniently, and a die in the die cavity is ejected conveniently.

The mid-mounting of roof 12 upper surface has reference column 17, and the constant head tank with reference column 17 looks adaptation is seted up in the bottom middle part of a mold core 14, and a mold core 14 passes through the constant head tank and closely the joint of reference column 17, and the inseparable combination between a mold core 14 and the roof 12 of being convenient for makes things convenient for actual injection moulding, and when actual production, the part that can make as required is changed a mold core 14 and No. two mold cores 15 to the processing of multiple part.

The positioning column 17 is in a regular quadrangular frustum pyramid shape, so that the combination tightness can be improved when the first mold core 14 is combined with the top plate 12 conveniently.

The utility model discloses when using, pour into hot melt plastics into runner 16 in through mouth 4 of moulding plastics, utilize two openings of runner 16 bottom to be full of hot melt plastics in the die cavity of both sides, treat the model cooling back in the mould, drive push rod 10 and ejector pin 11 rebound through outside cylinder, make ejector pin 11 with the mould jack-up that makes progress of roof 12 and lower mould 2 die cavity, then drive mould 1 jack-up, the simultaneous working personnel will go up mould 1 and upwards take out, can swiftly take out the model from lower mould 2, again with the model from mould core 14 and No. two mould cores 15 on take off can, the drawing of patterns work has been made things convenient for, also convenient to clear up the die cavity of lower mould 2 simultaneously, bring facility for actual production and processing, moreover, the steam generator is simple in structure, the operation is convenient, wide market prospect has, do benefit to the popularization.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the present invention, the scope of which is defined by the appended claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. An injection mold for toy manufacturing is characterized by comprising an upper mold (1), a lower mold (2), a bottom plate (3), an injection port (4), a base plate (5), a fixing block (6), a fixing rod (7), a movable plate (8), a spring (9), a push rod (10), a push rod (11), a top plate (12), a guide pillar (13), a first mold core (14) and a second mold core (15);

the injection molding device is characterized in that the upper die (1) is arranged at the top end of the lower die (2), the bottom plate (3) is arranged below the lower die (2), the injection molding opening (4) is arranged in the middle of the upper surface of the upper die (1), the backing plate (5) is arranged on the lower surface of the lower die (2), the two fixing blocks (6) are symmetrically arranged on two sides of the bottom of the backing plate (5), and the bottom plate (3) is fixedly connected with the other ends of the two fixing blocks (6);

the number of the fixing rods (7) is two, the fixing rods are symmetrically distributed in a gap defined by the bottom plate (3), the base plate (5) and the fixing block (6), two ends of each fixing rod (7) are fixedly connected with the base plate (5) and the bottom plate (3) respectively, the movable plate (8) is slidably sleeved between the two fixing rods (7), the fixing rods (7) are slidably sleeved with springs (9), and two ends of each spring (9) are fixedly connected with the upper surfaces of the base plate (5) and the movable plate (8) respectively;

one end of the push rod (10) is fixedly connected with a pushing end of an external cylinder, the other end of the push rod is fixedly connected with the middle of the lower surface of the movable plate (8), the ejector rods (11) are symmetrically arranged on the upper surface of the movable plate (8) and located between the two fixing rods (7), the other end of the ejector rod (11) is inserted into a cavity of the lower die (2) in a sliding mode, and the top plate (12) is arranged in the cavity of the lower die (2) in a sliding mode and is fixedly connected with the ejector rod (11);

the die comprises guide columns (13), an upper die (1) and a lower die (2), wherein the guide columns (13) are symmetrically arranged at four corners of the bottom of the upper die (1), the upper die (1) is tightly inserted into the lower die (2) through the guide columns (13), a first die core (14) is arranged on the lower surface of the upper die (1) and arranged in a cavity of the lower die (2), the bottom end of the first die core (14) is pressed on a top plate (12), and second die cores (15) are symmetrically arranged at two sides of the first die core (14).

2. An injection mold for manufacturing toys according to claim 1, wherein the upper mold (1) is provided with a runner (16) inside, the runner (16) is a three-fork runner, an opening at the top is communicated with the injection port (4), and two openings at the bottom are respectively arranged above the two second mold cores (15) and are communicated with the cavity of the lower mold (2).

3. The injection mold for manufacturing the toy according to claim 1, wherein four corners of the top end of the lower mold (2) are provided with positioning holes, and the guide posts (13) are inserted into the positioning holes and tightly attached to the inner walls of the positioning holes.

4. An injection mold for manufacturing toys according to claim 1, wherein the bottom of the lower mold (2) is provided with a movable hole matched with the ejector rod (11), and the ejector rod (11) passes through the movable hole and is connected with the inner wall of the movable hole in a sliding manner.

5. An injection mold for manufacturing toys according to claim 1, wherein a positioning column (17) is installed in the middle of the upper surface of the top plate (12), a positioning groove matched with the positioning column (17) is formed in the middle of the bottom end of the first mold core (14), and the first mold core (14) is tightly clamped with the positioning column (17) through the positioning groove.

6. An injection mold for manufacturing toys according to claim 5, wherein said positioning column (17) is square frustum pyramid shaped.