CN217346454U - Injection mold for toy manufacturing - Google Patents

Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold for toy manufacturing, comprising 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 Rod, top plate, guide post, No. 1 die core, No. 2 die core; the upper die is arranged at the top of the lower die, the bottom plate is arranged below the lower die, and the injection port is arranged in the middle of the upper surface of the upper die, so The backing plate is installed on the lower surface of the lower die, and the number of the fixing blocks is two and is symmetrically installed on both sides of the bottom of the backing plate. The utility model uses the push rod to drive the ejector rod to push up the model and the upper die, and then the staff takes out the upper die upward, and the model can be removed from the No. 1 die core and the No. 2 die core, which is convenient for demolding. The work and the cleaning of the lower mold cavity bring convenience to actual production and processing, the structure is simple, the operation is convenient, and it has broad market prospects and is conducive to popularization.

Description

An injection mold for toy manufacturing

technical field

The utility model relates to the technical field of injection moulds, in particular to an injection mould for toy manufacturing.

Background technique

In the process of toy manufacturing, plastic parts such as toy shells need to be injection-molded. Injection molding refers to the process of making thermoplastics or thermosetting plastics into various shapes of plastic products using plastic molding molds by an injection molding machine. The injection molding machine applies high pressure to the molten plastic, so that it is injected to fill the mold cavity, and the mold in the mold can be demolded after cooling.

Most of the toy injection molds in the prior art are designed with traditional structures. When demolding, it is inconvenient to take out the model from the cavity, and it is also inconvenient to clean the cavity after demolding, which brings inconvenience to actual production and processing. To this end, we propose an injection mold for toy manufacturing.

Utility model content

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 above purpose, the utility model provides an injection mold for toy manufacturing, including 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 rod, Top plate, guide post, No. 1 die core, No. 2 die core; the upper die is arranged at the top of the lower die, the bottom plate is arranged below the lower die, the injection port is arranged in the middle of the upper surface of the upper die, the pad The plate is installed on the lower surface of the lower die, the number of the fixing blocks is two and is symmetrically installed on both 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 fixing rods is two and they are symmetrically distributed in the space enclosed by the bottom plate, the backing plate and the fixing block. Between the two fixed rods, a spring is slidably sleeved on the fixed rod, and two ends of the spring are respectively fixedly connected to the upper surface of the backing plate and the movable plate;

One end of the push rod is fixedly connected to the push end of the external cylinder, and the other end is fixedly connected to the middle of the lower surface of the movable plate. The push rod is symmetrically installed on the upper surface of the movable plate and is located between the two fixed rods. The other end of the ejector rod is slidably inserted and extended into the cavity of the lower mold, and the top plate is slidably arranged in the cavity of the lower mold and is fixedly connected with the ejector rod;

The guide posts are symmetrically installed at the bottom four corners of the upper die, the upper die is tightly inserted into the lower die through the guide posts, the No. 1 die core is installed on the lower surface of the upper die and is arranged in the cavity of the lower die, The bottom end of the No. 1 mold core is pressed against the top plate, and the No. 2 mold core is symmetrically installed on both sides of the No. 1 mold core.

Preferably, the inside of the upper mold is provided with a flow channel, the flow channel is a three-pronged flow channel, the opening at the top is connected with the injection port, and the two openings at the bottom are respectively arranged above the two No. 2 mold cores And it communicates with the cavity of the lower mold.

Preferably, four corners of the top end of the lower die are provided with positioning holes, and the guide posts are inserted into the positioning holes and closely fit with the inner walls of the positioning holes.

Preferably, the bottom of the lower mold is provided with a movable hole adapted to the ejector rod, and the ejector rod passes through the movable hole and is slidably connected with the inner wall of the movable hole.

Preferably, a positioning column is installed in the middle of the upper surface of the top plate, a positioning groove is formed in the middle of the bottom end of the No. 1 die core, and the No. 1 die core is closely connected to the positioning column through the positioning groove. Card access.

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

Compared with the prior art, the injection mold for toy manufacturing provided by the present utility model has the following beneficial effects:

When the utility model is in use, the hot-melt plastic is injected into the flow channel through the injection port, and the two openings at the bottom of the flow channel are used to fill the hot-melt plastic into the cavity on both sides. The air cylinder drives the push rod and the ejector rod to move upward, so that the ejector rod pushes up the top plate and the model in the lower mold cavity, and then drives the upper mold to lift up. It can be quickly removed from the middle of the mold, and then the model can be removed from the No. 1 mold core and the No. 2 mold core, which facilitates the demoulding work, and also facilitates the cleaning of the cavity of the lower mold, which brings convenience to actual production and processing. The structure is simple, the operation is convenient, and it has broad market prospects and is conducive to promotion.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present utility model;

Fig. 2 is the front sectional structure schematic diagram of the utility model;

FIG. 3 is a schematic cross-sectional structure diagram of the No. 1 mold core of the present invention.

In the picture: 1. Upper die; 2. Lower die; 3. Bottom plate; 4. Injection port; 5. Backing plate; 6. Fixed block; 7. Fixed rod; 8. Active plate; 9. Spring; 10. Push rod ; 11, ejector rod; 12, top plate; 13, guide post; 14, No. 1 die core; 15, No. 2 die core; 16, runner; 17, positioning column.

Detailed ways

In order to make the purposes, 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 clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure.

The structures, proportions, sizes, etc. shown in the drawings in this specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of those who are familiar with the technology, and are not intended to limit the implementation of the present invention. condition, therefore does not have technical substantive significance, any modification of structure, the change of proportional relationship or the adjustment of size, without affecting the effect that the utility model can produce and the purpose that can be achieved, all should still fall within the present utility model. The technical content disclosed by the new model must be within the scope of coverage. At the same time, the terms such as "up", "down", "left", "right", "middle", etc. quoted in this specification are only for the convenience of description and clarity, and are not used to limit the implementation of the present invention. The scope of the invention, and the change or adjustment of its relative relationship, without substantial changes in the technical content, shall also be regarded as the scope of the present invention.

Please refer to Figure 1-3, an injection mold for toy manufacturing, including an upper mold 1, a lower mold 2, a bottom plate 3, an injection port 4, a backing plate 5, a fixed block 6, a fixed rod 7, a movable plate 8, a spring 9, Push rod 10, ejector rod 11, top plate 12, guide post 13, No. 1 mold core 14, No. 2 mold core 15; the upper mold 1 is arranged at the top of the lower mold 2, the bottom plate 3 is arranged under the lower mold 2, and the injection port 4 is arranged In the middle of the upper surface of the upper die 1, the backing plate 5 is installed on the lower surface of the lower die 2, the number of fixing blocks 6 is two and they are symmetrically installed on both sides of the bottom of the backing plate 5, the bottom plate 3 and the other two fixing blocks 6 Fixed connection at one end;

The number of the fixing rods 7 is two and is symmetrically distributed in the space enclosed by the bottom plate 3, the backing plate 5 and the fixing block 6. The two ends of the fixed rod 7 are respectively fixedly connected with the backing plate 5 and the bottom plate 3, and the movable plate 8 slides. It is sleeved between two fixed rods 7, and a spring 9 is slidably sleeved on the fixed rod 7. Both ends of the spring 9 are fixedly connected to the upper surface of the backing plate 5 and the movable plate 8 respectively. function to prevent damage caused by direct collision between the movable plate 8 and the backing plate 5;

One end of the push rod 10 is fixedly connected to the push end of the external cylinder, and the other end is fixedly connected to the middle of the lower surface of the movable plate 8. The ejector rod 11 is symmetrically installed on the upper surface of the movable plate 8 and is located between the two fixed rods 7. The other end of the rod 11 is slidably inserted and extended into the cavity of the lower mold 2, and the top plate 12 is slidably arranged in the cavity of the lower mold 2 and is fixedly connected with the ejector rod 11;

The guide pillars 13 are symmetrically installed on the bottom four corners of the upper mold 1. The upper mold 1 is tightly inserted into the lower mold 2 through the guide pillars 13. The No. 1 mold core 14 is installed on the lower surface of the upper mold 1 and is arranged in the cavity of the lower mold 2. The bottom end of the No. 1 mold core 14 is pressed on the top plate 12 , and the No. 2 mold core 15 is symmetrically installed on both sides of the No. 1 mold core 14 .

The inside of the upper mold 1 is provided with a flow channel 16. The flow channel 16 is a three-pronged flow channel. The opening at the top is communicated with the injection port 4, and the two openings at the bottom are respectively arranged above the two No. 2 mold cores 15 and are connected with each other. The cavity of the lower mold 2 is connected, which facilitates the rapid injection of hot-melt plastic into the cavity, and also facilitates the injection molding of toy plastic parts.

The top four corners of the lower mold 2 are provided with positioning holes, and the guide posts 13 are inserted into the positioning holes and closely fit with the inner wall of the positioning holes, which facilitates rapid and stable assembly between the upper mold 1 and the lower mold 2.

The bottom of the lower die 2 is provided with a movable hole that is adapted to the ejector rod 11. The ejector rod 11 passes through the movable hole and is slidably connected to the inner wall of the movable hole, so that the push rod 10 can drive the movable plate 8 and the ejector rod 11 to lift and lower. Eject the model in the cavity.

A positioning column 17 is installed in the middle of the upper surface of the top plate 12, and a positioning groove matching the positioning column 17 is opened in the middle of the bottom end of the No. 1 die core 14. The No. 1 die core 14 is tightly clamped to the positioning column 17 through the positioning groove, It is convenient for the close combination between the No. 1 mold core 14 and the top plate 12, and it is convenient for actual injection molding. In actual production, the No. 1 mold core 14 and the No. 2 mold core 15 can be replaced according to the parts to be manufactured, so that various parts can be replaced. processing.

The positioning column 17 is in the shape of a regular quadrangular pyramid, which facilitates the combination of the No. 1 die core 14 and the top plate 12 and also improves the combination tightness.

When the utility model is in use, the hot-melt plastic is injected into the flow channel 16 through the injection port 4, and the two openings at the bottom of the flow channel 16 are used to fill the hot-melt plastic into the cavity on both sides, and the model in the mold is cooled. Afterwards, the push rod 10 and the ejector rod 11 are driven upward by the external cylinder, so that the ejector rod 11 pushes up the top plate 12 and the model in the cavity of the lower mold 2, and then drives the upper mold 1 to push up, and at the same time, the staff pushes the upper mold upward. When the mold 1 is taken out upward, the model can be quickly taken out from the lower mold 2, and then the model can be removed from the No. 1 mold core 14 and the No. 2 mold core 15, which facilitates the demoulding work and also facilitates the lower mold. The cavity of 2 is cleaned, which brings convenience to actual production and processing. The structure is simple, the operation is convenient, and it has a broad market prospect and is conducive to promotion.

The above descriptions are only exemplary embodiments of the present invention, and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims (6)

1. An injection mold for toy manufacturing, characterized in that it comprises an upper mold (1), a lower mold (2), a bottom plate (3), an injection port (4), a backing plate (5), a fixed block (6), Fixed rod (7), movable plate (8), spring (9), push rod (10), top rod (11), top plate (12), guide post (13), No. 1 mold core (14), No. 2 mold core (15); The upper mold (1) is arranged at the top end of the lower mold (2), the bottom plate (3) is arranged below the lower mold (2), and the injection port (4) is arranged in the middle of the upper surface of the upper mold (1), The backing plate (5) is installed on the lower surface of the lower die (2), the number of the fixing blocks (6) is two and is symmetrically installed on both sides of the bottom of the backing plate (5), and the bottom plate (3) is connected to the bottom of the backing plate (5). The other ends of the two fixing blocks (6) are fixedly connected; The number of the fixing rods (7) is two and is symmetrically distributed in the space enclosed by the bottom plate (3), the backing plate (5) and the fixing block (6), and the two ends of the fixing rod (7) are respectively It is fixedly connected with the backing plate (5) and the bottom plate (3), the movable plate (8) is slidably sleeved between the two fixed rods (7), and a spring (9) is slidably sleeved on the fixed rod (7). , the two ends of the spring (9) are respectively fixedly connected with the upper surface of the backing plate (5) and the movable plate (8); One end of the push rod (10) is fixedly connected to the push end of the external cylinder, and the other end is fixedly connected to the middle of the lower surface of the movable plate (8). The surface is located between the two fixing rods (7), the other end of the top rod (11) slides and extends into the cavity of the lower mold (2), and the top plate (12) is slidably arranged on the lower mold (2) in the cavity and fixedly connected with the ejector rod (11); The guide posts (13) are symmetrically installed at the bottom four corners of the upper die (1). ) is installed on the lower surface of the upper die (1) and arranged in the cavity of the lower die (2), the bottom end of the No. 1 die core (14) is pressed on the top plate (12), and the No. 2 die core ( 15) Symmetrically installed on both sides of the No. 1 die core (14). 2 . The injection mold for toy manufacturing according to claim 1 , wherein a flow channel ( 16 ) is opened inside the upper mold ( 1 ), and the flow channel ( 16 ) is a three-pronged flow channel, 2 . The opening at the top communicates with the injection port (4), and the two openings at the bottom are respectively arranged above the two No. 2 mold cores (15) and communicate with the cavity of the lower mold (2). 3. The injection mold for toy manufacturing according to claim 1, wherein the 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 closely fit with the inner wall of the positioning hole. 4. A kind of injection mold for toy manufacturing according to claim 1, characterized in that, the bottom of the lower mold (2) is provided with a movable hole that is adapted to the ejector rod (11), and the ejector rod (11). 11) Passing through the movable hole and slidingly connected with the inner wall of the movable hole. 5 . The injection mold for toy manufacturing according to claim 1 , wherein a positioning column ( 17 ) is installed in the middle of the upper surface of the top plate ( 12 ), and the bottom of the No. 1 mold core ( 14 ) The middle part of the end is provided with a positioning groove matching with the positioning column (17), and the No. 1 die core (14) is tightly clamped to the positioning column (17) through the positioning groove. 6 . The injection mold for toy manufacturing according to claim 5 , wherein the positioning column ( 17 ) is in the shape of a regular quadrangular pyramid. 7 .

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