CN213919398U

CN213919398U - Structure for adjusting and controlling die temperature

Info

Publication number: CN213919398U
Application number: CN202022900667.0U
Authority: CN
Inventors: 周建军
Original assignee: Guangdong Junsheng Mould Research Co ltd
Current assignee: Guangdong Junsheng Mould Research Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-10
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to an injection molding technical field discloses a structure of mould temperature regulation control, be in including mould benevolence and setting well in the mould benevolence, and install the radiation shield in the well, the inner wall of well with the outer wall of mould benevolence is corresponding, the outer wall of mould benevolence is including advancing gluey position and keeping away from advance the tail end of gluey position, the radiation shield is located the well with the inner wall department that the tail end corresponds, just the radiation shield extends to the opening of well. The utility model relates to a structure of mould temperature regulation control compares with prior art, and it can mould plastics with lower heating temperature, and plastics can wholly evenly cool down fast and solidify the shaping to effectively shorten the cycle of moulding plastics, and reduce the energy consumption, and avoid plastics to produce and solidify the structure line and influence product appearance.

Description

Structure for adjusting and controlling die temperature

Technical Field

The utility model relates to a technical field of moulding plastics especially relates to a structure of mould temperature regulation control.

Background

The injection molding is a method for producing and molding industrial products, generally using rubber injection molding and plastic injection molding, and currently, an injection molding die pressing method is commonly used for manufacturing various plastic products, namely, thermoplastic plastics or thermosetting materials are utilized to support the plastic products with various shapes by using a plastic molding die, higher die temperature needs to be kept before injection molding, and the die temperature needs to be rapidly cooled down after injection molding, so that the plastic is solidified and molded, in the prior art, the thermoplastic plastics are generally heated to higher temperature through a hot runner technology to ensure the fluidity in the die during injection molding, particularly, a pouring gate needs to flow through a structure with a certain distance after entering the die, the die is rapidly cooled after pouring, so that the plastic is solidified and molded, because the distance from the pouring gate of the die to the end of the flow channel is far, the plastic temperature at the pouring gate is higher, and the plastic at present, the heat conducting plate made of beryllium copper is commonly used for rapidly cooling the plastic at the pouring gate, therefore, the integral temperature of the plastic is stably and rapidly reduced, the plastic needs to be heated at a higher temperature, the energy consumption is correspondingly more, more time is also needed for cooling and heating, the injection molding period is difficult to be reduced better, the requirement on a cooling system is higher, and solidification grains are easy to appear in the plastic molding at the position of beryllium copper, so that the appearance of a product is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a be suitable for the lower temperature and mould plastics, can make the whole even cooling of injection molding fast, accomplish the structure of mould temperature regulation control of moulding plastics.

In order to solve the technical problem, the utility model provides a structure of mould temperature regulation control.

The utility model provides a structure of mould temperature regulation control, is in including mould benevolence and setting well in the mould benevolence, and install the radiation shield in the well, the inner wall of well with the outer wall of mould benevolence is corresponding, the outer wall of mould benevolence is including advancing gluey position and keeping away from advance the tail end of gluey position, the radiation shield is located the well with the inner wall department that the tail end corresponds, just the radiation shield extends to the opening of well.

As the preferred proposal of the utility model, the heat insulation sleeve is embedded on the inner wall of the well in a flush way.

As the preferred scheme of the utility model, still be provided with the water proof piece in the well.

As the preferred scheme of the utility model, the material of radiation shield cover is PVC.

As the preferred scheme of the utility model, the structure of mould temperature regulation control still includes the die holder, the die holder is equipped with the matching embedding the recess of mould benevolence, the die holder is provided with the intercommunication the water supply pipe of well.

As the preferred proposal of the utility model, a sealing ring is arranged between the die holder and the die core.

The embodiment of the utility model provides a structure of mould temperature regulation control compares with prior art, and its beneficial effect lies in: it can mould plastics with lower heating temperature, and plastics can wholly evenly cool down fast and solidify the shaping to effectively shorten the cycle of moulding plastics, and reduce the energy consumption, and avoid plastics to produce and solidify the structure line and influence product appearance.

Drawings

FIG. 1 is a cross-sectional view of an installation structure of an embodiment of the present invention;

in the figure, 1, a mold core; 11. feeding a glue position; 12. a tail end; 2. a water well; 3. a heat insulating sleeve; 4. a water-barrier sheet; 5. a die holder; 6. and (5) sealing rings.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be further understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the machine or component in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

Referring to fig. 1, a structure for adjusting and controlling mold temperature according to an embodiment of the present invention includes a mold core 1, a well 2 disposed in the mold core 1, and a heat insulation sleeve 3 installed in the well 2, wherein an inner wall of the well 2 corresponds to an outer wall of the mold core 1, the outer wall of the mold core 1 includes a glue inlet 11 and a tail end 12 far away from the glue inlet 11, the heat insulation sleeve 3 is located at an inner wall of the well 2 corresponding to the tail end 12, the heat insulation sleeve 3 extends to an opening of the well 2, thermoplastic plastic is injected from the glue inlet 11 and flows to the tail end 12 during injection molding, and cooling water is injected into the well 2, so that heat of the thermoplastic plastic naturally passes through the mold core 1 made of metal material and is transferred to the cooling water of the well 2, because the heat insulation sleeve 2 separates the inner wall of the well 2 opening corresponding to the tail end 12 from the cooling water, only the inner walls of other wells 2 are allowed to transfer heat at the positions corresponding to the glue inlet position 11 and the positions nearby, even if the thermoplastic plastic is injected from the glue inlet position 11 and then flows into the tail end 12, namely, the firstly injected plastic is firstly cooled, the cooling speed of the plastic at the tail end 12 is reduced, the plastic is not solidified faster than the plastic at the glue inlet position 11 and the plastic at the middle position, the plastic at the glue inlet position 11 and the plastic at the middle position are continuously cooled, and finally the thermoplastic plastic is uniformly cooled and solidified on the mold core 1 after the injection molding is finished; the mould core 1 shown in the attached drawing is of a similar cylindrical shape, the injection molded plastic of the mould core is also of a similar cylindrical shape of the outer wall, so the water well 2 is also of a corresponding cylindrical shape, the glue inlet position 11 is arranged at the upper end of the mould core 1, the opening of the water well 2 for water inlet and outlet is correspondingly arranged at the lower end of the mould core 1, the heat insulation sleeve 3 is also of a single pipe sleeve shape, in addition, the shape of the mould core 1, the shape of the water well and the positions of the glue inlet position 11 and the tail end 12 can be correspondingly changed into other corresponding shapes and structures according to the shape of an injection molding piece, for example, if the injection molding piece is a hemispherical shell, the mould core 1 is of a hemispherical shape, the water well 2 is of a hemispherical shape, and the heat insulation sleeve 3 can be correspondingly of an arc-bent annular shape; in contrast, in the conventional injection molding mode, beryllium copper is arranged at a gate position to locally accelerate the cooling of thermoplastic plastics with higher heating temperature, and the injection molding mode can only be suitable for heating the thermoplastic plastics to the higher temperature, so that the energy consumption and time consumption for heating and cooling are correspondingly higher, the requirement on a mold cooling system is also higher, and obvious structural lines are easily formed in the solidification molding of the plastic at the position of the beryllium copper, so that the appearance is obviously influenced.

Referring to fig. 1, exemplarily, the heat insulating sleeve 3 is embedded in the inner wall of the well 2 in a flush manner, the inner wall of the well 2 is provided with a matching concave position of the heat insulating sleeve 3, the inner wall of the heat insulating sleeve 3 is flush with the inner wall of the well 2, the concave position of the inner wall of the well 2 forms a step structure, the heat insulating sleeve 3 is just embedded in the inner wall of the well 2 in a matching manner and fills the concave position, and the inner wall of the heat insulating sleeve 3 can align to the rest of the inner walls of the well 2, so that water flows in and out stably without generating resistance or turbulence, thereby ensuring the cooling effect of injection molding parts.

Referring to fig. 1, exemplarily, a water-blocking sheet 4 is further disposed in the water well 2, the water-blocking sheet 4 can separate the water well 2 into a water path through which water completely passes through the water well 2, so as to achieve continuous heat exchange and temperature reduction through water flow, the water-blocking sheet 4 is shown in the middle of the water well 2, and the upper end of the water-blocking sheet 4 and the top wall surface of the water well 2 form a water path passing left and right.

Referring to fig. 1, the heat insulating sleeve 3 is made of PVC, and the heat insulating sleeve 3 is made of PVC pipe, which is shown in the figure, and has good heat insulating performance and low cost.

Referring to fig. 1, the mold temperature regulation and control structure further includes a mold base 5, the mold base 5 is provided with a groove for embedding the mold core 1 in a matching manner, the mold base 5 is provided with a water supply pipeline communicated with the water well 2, the mold core 1 is installed in the groove of the mold base 5 for fixation after the heat insulating sleeve 3 and the water-resisting sheet 4 are installed in the water well 2, and meanwhile, the water supply pipeline of the mold base 5 is easy to process and very convenient to use.

Referring to fig. 1, for example, a sealing ring 6 is further disposed between the die holder 5 and the die core 1, the sealing ring 6 is mounted on a groove of the die holder 5, and the sealing ring 6 sealingly surrounds an opening of the water well 2, so as to effectively ensure the sealing performance of the water supply pipeline of the die holder 5 and the water well 2.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a structure of mould temperature regulation control which characterized in that: including the mould benevolence and setting up well in the mould benevolence, and install the radiation shield in the well, the inner wall of well with the outer wall of mould benevolence is corresponding, the outer wall of mould benevolence is including advancing gluey position and keeping away from advance the tail end of gluey position, the radiation shield is located the well with the inner wall department that the tail end corresponds, just the radiation shield extends to the opening of well.

2. The structure of mold temperature adjustment control according to claim 1, wherein: the heat insulation sleeve is embedded on the inner wall of the water well in a flush mode.

3. The structure of mold temperature adjustment control according to claim 1, wherein: and a water-insulating sheet is also arranged in the water well.

4. The structure of mold temperature adjustment control according to claim 1, wherein: the heat insulation sleeve is made of PVC.

5. A mold temperature regulating and controlling structure according to any one of claims 1 to 4, wherein: the mould comprises a mould core and is characterized by further comprising a mould base, wherein the mould base is provided with a groove which is embedded into the mould core in a matching mode, and the mould base is provided with a water supply pipeline communicated with the water well.

6. The structure of mold temperature adjustment control according to claim 5, wherein: and a sealing ring is also arranged between the die holder and the die core.