CN211221832U - Injection mold is used in production and processing of plastics thing flow box - Google Patents

Abstract

The utility model relates to the technical field of plastic production, and discloses an injection mold for the production and processing of a plastic logistics box, comprising a bottom plate and a top plate, the top of the bottom plate is fixedly connected with symmetrically distributed support blocks, and the tops of the two support blocks are A fixed mold is fixedly installed, an ejector assembly located between two support blocks is fixedly installed on the top of the bottom plate, and the top end of the ejector assembly extends to the interior of the fixed mold; the bottom of the top plate is fixedly installed with a base plate, so A movable mold is fixedly installed in the middle of the lower surface of the base plate, and guide posts are fixedly connected to both sides of the lower surface of the base plate. The utility model injects cold water into the connecting pipe, and the cold water is discharged through the cooling pipe and the connecting pipe at the other end to complete the water-cooling circulation heat dissipation, thereby improving the heat dissipation effect, shortening the demoulding time, forming the clamped product, and improving the work efficiency. The electric push rod drives the ejector plate to push the formed product upwards, which is convenient for demoulding and improves the convenience of operation.

Description

An injection mold for the production and processing of plastic logistics boxes

technical field

The utility model relates to the technical field of plastic production, in particular to an injection mold for the production and processing of a plastic logistics box.

Background technique

The mold is a tool used to make molded articles. The structure of the mold is different due to the variety and performance of the plastic, the shape and structure of the plastic product, and the type of the injection machine. Live dies and stamping dies, etc.

In the process of producing plastic logistics boxes, it is necessary to use injection molds to injection-mold the logistics boxes, heat the plastic raw materials into fluid, inject them into the mold for shaping, and release the mold after natural cooling, and then the rough plastic embryo can be taken out. Most of them rely on manual removal, which is very inconvenient to operate, and during the injection molding process, the heat of the thermoplastic fluid is transferred to the mold, causing the mold temperature to rise, the natural cooling efficiency is low, and the demolding time is prolonged, resulting in slow product molding and reduced work. Efficiency, for this reason, we propose an injection mold for the production and processing of plastic logistics boxes.

Utility model content

In view of the above problems existing in the prior art, one aspect of the present invention aims to provide an injection mold for the production and processing of plastic logistics boxes.

In order to achieve the above purpose, the utility model provides an injection mold for the production and processing of plastic logistics boxes, comprising a bottom plate and a top plate, the top of the bottom plate is fixedly connected with symmetrically distributed support blocks, and the tops of the two support blocks are fixedly installed There is a fixed mold, an ejector assembly located between two support blocks is fixedly installed on the top of the bottom plate, and the top of the ejector assembly extends to the interior of the fixed mold;

A base plate is fixedly installed at the bottom of the top plate, a movable mold is fixedly installed in the middle of the lower surface of the base plate, guide posts are fixedly connected to both sides of the lower surface of the base plate, and the movable mold is clamped with the fixed mold through the guide posts. ;

The middle of the movable mold is provided with a flow channel, the two sides of the flow channel are provided with cooling pipes located inside the movable mold, the top of the top plate is fixedly installed with an injection pipe, and the injection pipe is communicated with the flow channel, so the Both sides of the top of the top plate are fixedly sleeved with connecting pipes, and the connecting pipes are connected with the cooling pipes.

Preferably, the ejector assembly is composed of an electric push rod and an ejection plate, the electric push rod is fixedly installed on the top of the bottom plate, the ejection plate is arranged in the cavity of the fixed mold, and the electric push rod The push rod extends upward into the cavity of the fixed mold and is fixedly connected with the bottom of the ejector plate.

Preferably, a sleeve groove is formed at the bottom of the inner cavity of the fixed mold, and the ejector plate is arranged in the sleeve groove and is seamlessly connected with the sleeve groove.

Preferably, the bottom of the fixed mold is provided with a sleeve hole adapted to the electric push rod, and the push rod of the electric push rod is slidably connected with the sleeve hole.

Preferably, the top of the fixed mold is provided with slots on both sides of the cavity, and the guide posts are seamlessly inserted into the slots.

Preferably, the cooling pipe is a U-shaped coiled pipe, and both ends of the cooling pipe are arranged upward, and the number of the connecting pipes is four, which are divided into two groups and are respectively arranged on both sides of the injection pipe, and are located on the same side. The bottom ends of the two connecting pipes extend to the inside of the movable mold and are respectively fixedly connected with the two ends of the cooling pipes.

Compared with the prior art, the injection mold for the production and processing of the plastic logistics box provided by the present utility model has the following beneficial effects:

When the utility model closes the mold, the guide post is inserted into the slot, the movable mold enters the cavity, and the thermoplastic fluid is injected into the injection tube, so that the thermoplastic fluid enters the cavity through the flow channel and gradually fills the cavity. After the injection molding is completed, the cold water is injected into the connecting pipe, the cold water enters the cooling pipe, and then is discharged from the connecting pipe at the other end to complete the water-cooling circulation heat dissipation, thereby improving the heat dissipation effect, shortening the demoulding time, and forming the clamped product, which improves the work efficiency. , After cooling, lift the movable mold upward, start the electric push rod, the push end of the electric push rod extends upward, so that the ejector plate pushes the formed product upward, which is convenient for demoulding and improves the convenience of operation.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a schematic diagram of the cross-sectional structure of the utility model.

In the figure: 1. Bottom plate; 2. Top plate; 3. Support block; 4. Fixed die; 5. Base plate; 6. Moving die; 7. Guide post; 8. Ejector assembly; 9. Injection tube; 10. Connecting tube; 11. Cooling tube; 12. Flow channel; 13. Slot.

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.

Unless otherwise defined, technical or scientific terms used in this disclosure shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. As used in this disclosure, "comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Please refer to Figure 1-2, an injection mold for plastic logistics box production and processing, including a bottom plate 1 and a top plate 2, the top of the bottom plate 1 is fixedly connected with symmetrically distributed support blocks 3, and the tops of the two support blocks 3 are fixedly installed with fixed Mold 4, the top of the bottom plate 1 is fixedly installed with an ejector assembly 8 located between the two support blocks 3, and the top end of the ejector assembly 8 extends to the interior of the fixed mold 4;

A base plate 5 is fixedly installed at the bottom of the top plate 2, a movable die 6 is fixedly installed in the middle of the lower surface of the base plate 5, and guide posts 7 are fixedly connected to both sides of the lower surface of the base plate 5. The movable die 6 is clamped with the fixed die 4 through the guide posts 7. catch;

The middle of the movable mold 6 is provided with a flow channel 12 , both sides of the flow channel 12 are provided with cooling pipes 11 located inside the movable mold 6 , and an injection pipe 9 is fixedly installed on the top of the top plate 2 , and the injection pipe 9 is connected with the flow channel 12 . Connecting pipes 10 are fixedly sleeved on both sides of the top of the top plate 2 , and the connecting pipes 10 are connected with the cooling pipes 11 .

The ejector assembly 8 is composed of an electric push rod 81 and an ejector plate 82. The electric push rod 81 is fixedly installed on the top of the bottom plate 1, and the ejector plate 82 is arranged in the cavity of the fixed mold 4. The push rod of the electric push rod 81 faces The upper part extends into the cavity of the fixed mold 4 and is fixedly connected with the bottom of the ejector plate 82 .

The bottom of the inner cavity of the fixed mold 4 is provided with a sleeve groove, and the ejector plate 82 is arranged in the sleeve groove and is seamlessly connected with the sleeve groove.

The bottom of the fixed die 4 is provided with a sleeve hole which is adapted to the electric push rod 81 , and the push rod of the electric push rod 81 is slidably connected with the sleeve hole.

The top of the fixed mold 4 is provided with slots 13 located on both sides of the cavity, and the guide posts 7 are seamlessly inserted into the slots 13 .

The cooling pipe 11 is a U-shaped coil pipe, and both ends of the cooling pipe 11 are arranged upward. The number of the connecting pipes 10 is four, which are divided into two groups and are respectively arranged on both sides of the injection pipe 9, and the two are located on the same side. The bottom end of the connecting pipe 10 extends to the inside of the movable mold 6 and is fixedly connected to both ends of the cooling pipe 11 respectively.

In the present invention, when the mold is closed, the guide post 7 is inserted into the slot 13, the movable mold 6 enters the mold cavity, and the thermoplastic fluid is injected into the injection pipe 9, so that the thermoplastic fluid enters the mold cavity through the flow channel 12, And gradually fill the cavity, after injection molding, inject cold water into the connecting pipe 10, the cold water enters the cooling pipe 11, and then is discharged from the connecting pipe 10 at the other end to complete the water-cooling cycle heat dissipation, thereby improving the heat dissipation effect and shortening the demoulding time. , The clamping block product is formed, which improves the work efficiency. After cooling, the movable mold 6 is lifted upwards, and the electric push rod 81 is activated. Demoulding, improve operation convenience.

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 the production and processing of a plastic logistics box, comprising a bottom plate (1) and a top plate (2), characterized in that: The top of the base plate (1) is fixedly connected with symmetrically distributed support blocks (3), the tops of the two support blocks (3) are fixedly installed with fixed molds (4), and the tops of the base plate (1) are fixedly installed There is an ejector assembly (8) located between the two support blocks (3), and the top end of the ejector assembly (8) extends to the interior of the fixed die (4); A base plate (5) is fixedly installed at the bottom of the top plate (2), a movable mold (6) is fixedly installed in the middle of the lower surface of the base plate (5), and both sides of the lower surface of the base plate (5) are fixedly connected with a guide post (7), the movable die (6) is clamped to the fixed die (4) through the guide post (7); A flow channel (12) is provided in the middle of the movable mold (6), and cooling pipes (11) located inside the movable mold (6) are provided on both sides of the flow channel (12). The top plate (2) The top of the top plate (2) is fixedly installed with an injection pipe (9), and the injection pipe (9) communicates with the flow channel (12). Both sides of the top of the top plate (2) are fixedly sleeved with a connection pipe (10), and the connection pipe (10) is connected with the cooling pipe (11). 2. An injection mold for the production and processing of plastic logistics boxes according to claim 1, characterized in that the ejector assembly (8) is composed of an electric push rod (81) and an ejector plate (82), The electric push rod (81) is fixedly installed on the top of the bottom plate (1), the ejector plate (82) is arranged in the cavity of the fixed die (4), and the push rod of the electric push rod (81) extends upwards into the cavity of the fixed die (4) and fixedly connected to the bottom of the ejector plate (82). 3. An injection mold for the production and processing of a plastic logistics box according to claim 2, characterized in that, the bottom of the inner cavity of the fixed mold (4) is provided with a sleeve groove, and the ejector plate (82) is provided with In the sleeve groove, and seamless connection with the sleeve groove. 4. An injection mold for the production and processing of plastic logistics boxes according to claim 2, characterized in that the bottom of the fixed mold (4) is provided with a sleeve hole adapted to the electric push rod (81), so The push rod of the electric push rod (81) is slidably connected with the sleeve hole. 5. An injection mold for plastic logistics box production and processing according to claim 1, characterized in that the top of the fixed mold (4) is provided with slots (13) located on both sides of the cavity, and the guide The column (7) is seamlessly inserted into the slot (13). 6. An injection mold for plastic logistics box production and processing according to claim 1, characterized in that the cooling pipe (11) is a U-shaped coiled pipe, and both ends of the cooling pipe (11) are arranged upwards , the number of the connecting pipes (10) is four, which are divided into two groups and arranged on both sides of the injection pipe (9) respectively, and the bottom ends of the two connecting pipes (10) located on the same side extend to the movable mold (6). ) and are respectively fixedly connected with both ends of the cooling pipe (11).

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