CN215619602U

CN215619602U - Quick forming injection mold with good cooling effect

Info

Publication number: CN215619602U
Application number: CN202023331613.3U
Authority: CN
Inventors: 杨西军; 张东光; 王建林
Original assignee: Shandong Yangfan Bearing Co ltd
Current assignee: Shandong Yangfan Bearing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-01-25
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of injection molds and discloses a rapid forming injection mold with a good cooling effect. According to the utility model, the cooling liquid in the cooling cavity can be conveyed to the cooling chamber in the refrigeration box through the liquid pumping pipe by the water pump, the cooling liquid is cooled by the semiconductor refrigeration sheet arranged in the refrigeration box, and then the cooling liquid is injected into the cooling cavity through the liquid conveying pipe, so that the cooling liquid can be in a flowing state all the time during injection molding, and the cooling liquid heated in the cooling cavity is pumped out all the time and then is injected into the cooled cooling liquid again, therefore, the heat exchange rate can be effectively accelerated, the mold can be more quickly cooled and molded, the production efficiency can be effectively improved, and the practicability is good.

Description

Quick forming injection mold with good cooling effect

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a rapid forming injection mold with a good cooling effect.

Background

The injection molding is a method for producing and molding industrial products, the products are generally made of rubber and plastic, and the injection molding can be divided into an injection molding die pressing method and a die casting method, the injection molding is a common part processing method in the prior art, a bearing can be processed through the injection molding, and usable finished products can be directly processed through the injection molding method, but the existing injection mold is simple in structure and cannot provide more functions for mold forming when in use.

When carrying out injection molding to the bearing and processing, because the material of moulding plastics is hot melt material, after the completion of moulding plastics, the material need cool off after by the die-casting shaping and just can take off from injection mold, but current injection mold does not possess quick refrigerated function, wait to take off the production efficiency that can greatly reduced bearing again in natural cooling, in addition, current injection mold is when carrying out die-casting shaping, it just can accomplish the die-casting to need two moulds to dock, but current injection mold is when carrying out the butt joint, make the mould produce the butt joint deviation easily, influence the bearing quality of producing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a rapid forming injection mold with a good cooling effect, which has the advantages of rapid cooling forming and accurate butt joint.

In order to achieve the purpose, the utility model provides the following technical scheme: a quick forming injection mold with good cooling effect comprises a lower mold and an upper mold, wherein the top of the lower mold is movably connected with the bottom of the upper mold, a cooling cavity is formed in the lower mold, a liquid pumping pipe is fixedly mounted on the left side of the lower mold, penetrates through the lower mold and is communicated with the cooling cavity, the outer end of the liquid pumping pipe is fixedly connected with a water pumping port of a water pump, a refrigerating box is fixedly mounted on the front side of the lower mold, a water outlet of the water pump penetrates through the refrigerating box, a liquid conveying pipe is fixedly connected to the right side of the refrigerating box, the other end of the liquid conveying pipe penetrates through the lower mold and is communicated with the cooling cavity, cooling liquid in the cooling cavity can be conveyed to the inside of the refrigerating box through the liquid pumping pipe through the water pump, then the cooling liquid is injected into the cooling cavity through the liquid conveying pipe, and the cooling liquid can be in a flowing state all the time when injection molding is carried out, the cooling liquid with the heated inner part is taken out all the time and then injected into the cooled cooling liquid again, so that the heat exchange rate can be effectively accelerated, the mold can be rapidly promoted to be cooled and molded, the production efficiency can be effectively improved, the bottom of the upper mold is fixedly provided with the guide post, the top of the lower mold is provided with the guide hole, the guide post is of a round rod-shaped structure, the guide hole is of a round hole-shaped structure, the diameter value of the guide post is equal to that of the guide hole, the guide limiting function can be provided for the butt joint of the lower mold and the upper mold through the guide hole and the guide post, the butt joint can have absolute accuracy through four-angle positioning, the spring is fixedly arranged in the guide hole, the outer end of the spring is fixedly connected with the limiting plate, the limiting plate is movably connected with the guide hole, and the spring and the limiting plate can provide buffering when the guide post is in butt joint with the guide hole, the direct friction is reduced, and the service life of the part can be effectively prolonged.

As a preferred technical scheme of the utility model, the top of the lower die is fixedly provided with the limiting strip, the bottom of the upper die is provided with the limiting groove, the limiting strip is matched with the limiting groove, and the limiting strip and the limiting groove provide sealing clamping and limiting effects, so that the sealing property of the die can be improved, and the production quality can be improved.

In a preferred embodiment of the present invention, the cooling cavity is attached to the molding groove and is not communicated with the molding groove, and the cooling cavity performs heat exchange with the mold through the inner cooling liquid via the inner wall of the lower mold to accelerate the mold cooling, so that the mold is not contacted during cooling, and the normal molding of the mold is not affected.

As a preferred technical scheme of the utility model, a cooling chamber is arranged in the cooling box, a semiconductor refrigeration sheet is fixedly mounted on the inner wall of the cooling chamber, and the semiconductor refrigeration sheet can cool the cooling liquid passing through the cooling chamber, so that the input cooling liquid can be rapidly cooled down and enters the cooling cavity again for heat exchange.

As a preferable technical scheme of the utility model, a die pressing groove is formed in the top of the lower die, a pressing module is fixedly mounted at the bottom of the upper die, the pressing module is matched with the die pressing groove, and the pressing module presses the pressing groove downwards, so that the injection molding material can be die-cast into a usable molding part.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model adopts the cooling cavity arranged in the lower die and injects cooling liquid into the cooling cavity, the cooling cavity enables the cooling liquid to exchange heat with the die after the die casting in the die groove, thereby having the effect of assisting the die to be rapidly cooled and formed, the cooling liquid in the cooling cavity can be conveyed to the cooling chamber in the refrigeration box through the liquid pumping pipe by the water pump, the semiconductor refrigeration piece arranged in the refrigeration box cools the cooling liquid, and then the cooling liquid is injected into the cooling cavity through the liquid conveying pipe, can be so that the coolant liquid is in the mobile state always when moulding plastics to the coolant liquid after the cooling is reinjected into to inside getting hot is taken out always, can effectual speed of accelerating the heat exchange, can be more quick make mould cooling shaping, can effectual improvement production efficiency, have fine practicality.

2. According to the utility model, through the guide hole formed in the top of the lower die and the fixed limiting strip, the limiting strip is in limiting clamping connection with the limiting groove formed in the bottom of the upper die, and then the guide post and the guide hole are used for guiding and limiting, so that the lower die and the upper die can be accurately limited, the quality problem of the produced product caused by the deviation in butt joint is avoided, the quality of the product is improved, meanwhile, the spring and the limiting plate in the guide hole can provide buffer when the guide post and the guide hole are in butt joint, the direct friction is reduced, the service life of the part can be effectively prolonged, and the practicability is improved.

Drawings

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

FIG. 2 is a schematic view of the present invention in connection;

FIG. 3 is a sectional view showing a connection state of the present invention;

FIG. 4 is a schematic view of the structure of the lower mold of the present invention;

FIG. 5 is a schematic view of the upper mold structure of the present invention.

In the figure: 1. a lower die; 2. an upper die; 3. a cooling chamber; 4. a liquid pumping pipe; 5. a water pump; 6. a refrigeration case; 7. a cooling chamber; 8. a semiconductor refrigeration sheet; 9. a transfusion tube; 10. pressing a die cavity; 11. a limiting strip; 12. a guide hole; 13. a spring; 14. a limiting plate; 15. a limiting groove; 16. pressing the module; 17. and a guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1 to 5, the utility model provides a rapid prototyping injection mold with good cooling effect, which comprises a lower mold 1 and an upper mold 2, wherein the top of the lower mold 1 is movably connected with the bottom of the upper mold 2, a cooling cavity 3 is arranged inside the lower mold 1, a liquid pumping pipe 4 is fixedly arranged on the left side of the lower mold 1, the liquid pumping pipe 4 penetrates into the lower mold 1 and is communicated with the cooling cavity 3, the outer end of the liquid pumping pipe 4 is fixedly connected with a water pumping opening of a water pump 5, a refrigerating box 6 is fixedly arranged on the front side of the lower mold 1, a water outlet of the water pump 5 penetrates into the refrigerating box 6, a liquid conveying pipe 9 is fixedly connected on the right side of the refrigerating box 6, the other end of the liquid conveying pipe 9 penetrates into the lower mold 1 and is communicated with the cooling cavity 3, the cooling liquid in the cooling cavity 3 can be conveyed into the refrigerating box 6 through the liquid pumping pipe 4 by the water pump 5, and then is injected into the cooling cavity 3 through the liquid conveying pipe 9, when injection molding is carried out, the cooling liquid can be always in a flowing state, the cooling liquid with heated inside is always taken out and then is re-injected into the cooled cooling liquid, the heat exchange rate can be effectively accelerated, the cooling molding of the mold can be more quickly promoted, the production efficiency can be effectively improved, a guide post 17 is fixedly installed at the bottom of the upper mold 2, a guide hole 12 is formed in the top of the lower mold 1, the guide post 17 is of a round rod-shaped structure, the guide hole 12 is of a round hole-shaped structure, the diameter values of the guide post 17 and the guide hole 12 are equal, a guide limiting function can be provided for the butt joint of the lower mold 1 and the upper mold 2 through the guide hole 12 and the guide post 17, the butt joint can have absolute accuracy through four-corner positioning, a spring 13 is fixedly installed inside the guide hole 12, a limiting plate 14 is fixedly connected to the outer end of the spring 13, and the limiting plate 14 is movably connected with the guide hole 12, the spring 13 and the limiting plate 14 can provide buffering when the guide post 17 is butted with the guide hole 12, so that direct friction is reduced, and the service life of parts can be effectively prolonged.

Wherein, the top fixed mounting of bed die 1 has spacing 11, and spacing groove 15 has been seted up to the bottom of going up mould 2, and spacing 11 and spacing groove 15 looks adaptation provide sealed joint and limiting displacement through spacing 11 and spacing groove 15, can improve the leakproofness of mould, improve production quality.

Wherein, cooling chamber 3 and die cavity 10 are laminated mutually, and cooling chamber 3 and die cavity 10 do not communicate, and cooling chamber 3 carries out the heat exchange to the mould through inside coolant liquid and separates the inner wall of bed die and accelerates the mould cooling, can not produce the contact to the mould during cooling, can not influence the normal shaping of mould.

Wherein, the inside of refrigeration case 6 is equipped with cooling chamber 7, and the inner wall fixed mounting of cooling chamber 7 has semiconductor refrigeration piece 8, can cool off the coolant liquid of process in following cooling chamber 7 through semiconductor refrigeration piece 8 for the coolant liquid of input can be quick is cooled off, and the inside that enters into cooling chamber 3 again carries out the heat exchange.

The top of the lower die 1 is provided with a die pressing groove 10, the bottom of the upper die 2 is fixedly provided with a die pressing module 16, the die pressing module 16 is matched with the die pressing groove 10, and the die pressing module 16 presses the die pressing groove 10 downwards, so that the injection molding material can be die-cast into a usable molding part.

The working principle and the using process of the utility model are as follows:

firstly, the injection molding material is injected into the die cavity 10, then the upper die 2 is butted with the lower die 1, the injection molding material is die-cast, when the injection molding material is butted, the upper die 2 is in limit clamping connection with the limit groove 15 formed at the bottom of the upper die 2 through the limit strip 11, then the lower die 1 and the upper die 2 are in limit guiding through the guide post 17 and the guide hole 12, the lower die 1 and the upper die 2 can be accurately limited, meanwhile, the spring 13 and the limit plate 14 in the guide hole 12 can provide buffering when the guide post 17 is butted with the guide hole 12, direct friction is reduced, the service life of parts can be effectively prolonged, the die is die-cast after the butting is completed, the formed die is attached to the inside of the die cavity 10, the cooling liquid and the die after die-casting in the die cavity 10 are subjected to heat exchange through the cooling cavity 3, the rapid cooling and forming of the die can be assisted, then the cooling liquid in the cooling cavity 3 can be extracted through the liquid extraction pipe 4 and conveyed into the refrigeration box 6 through the water pump 5 In the cooling chamber 7 of portion, the semiconductor refrigeration piece 8 by 6 internally mounted of refrigeration case cools off the coolant liquid, then 9 with the coolant liquid of rethread transfer line pour into the inside to cooling chamber 3, can make the coolant liquid be in the mobile state always when moulding plastics to inside hot coolant liquid is taken out always and then pours into the coolant liquid after the cooling into again, can effectual speed of accelerating the heat exchange, can be more quick make mould cooling shaping, can effectual improvement production efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick forming injection mold that cooling effect is good, includes bed die (1) and last mould (2), its characterized in that: the top of bed die (1) and the bottom swing joint of last mould (2), cooling chamber (3) have been seted up to the inside of bed die (1), the left side fixed mounting of bed die (1) has liquid suction pipe (4), liquid suction pipe (4) run through to the inside of bed die (1) and communicate with cooling chamber (3), the outer end of liquid suction pipe (4) and the mouth fixed connection that draws water of water pump (5), the front side fixed mounting of bed die (1) has refrigeration case (6), the delivery port of water pump (5) runs through to the inside of refrigeration case (6), the right side fixed connection of refrigeration case (6) has transfer line (9), the other end of transfer line (9) runs through to the inside of bed die (1) and is linked together with cooling chamber (3), the bottom fixed mounting of last mould (2) has guide post (17), guiding hole (12) have been seted up at the top of bed die (1), guide post (17) are round rod-shaped structure, guiding hole (12) are circular poroid structure, and guide post (17) equals with the diameter value of guiding hole (12), the inside fixed mounting of guiding hole (12) has spring (13), the outer end fixedly connected with limiting plate (14) of spring (13), limiting plate (14) and guiding hole (12) swing joint.

2. The rapid prototyping injection mold that cooling effect is good of claim 1 wherein: the top fixed mounting of bed die (1) has spacing (11), spacing groove (15) have been seted up to the bottom of going up mould (2), spacing (11) and spacing groove (15) looks adaptation.

3. The rapid prototyping injection mold that cooling effect is good of claim 1 wherein: the cooling cavity (3) is attached to the die pressing groove (10), and the cooling cavity (3) is not communicated with the die pressing groove (10).

4. The rapid prototyping injection mold that cooling effect is good of claim 1 wherein: the inside of refrigeration case (6) is equipped with cooling chamber (7), the inner wall fixed mounting of cooling chamber (7) has semiconductor refrigeration piece (8).

5. The rapid prototyping injection mold that cooling effect is good of claim 1 wherein: the top of the lower die (1) is provided with a die pressing groove (10), the bottom of the upper die (2) is fixedly provided with a die pressing module (16), and the die pressing module (16) is matched with the die pressing groove (10).