CN211105374U

CN211105374U - Injection mold for valve

Info

Publication number: CN211105374U
Application number: CN201921575217.XU
Authority: CN
Inventors: 魏杰
Original assignee: Chengdu Huimaolong Technology Co ltd
Current assignee: Chengdu Huimaolong Technology Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-07-28
Anticipated expiration: 2029-09-21

Abstract

The utility model relates to the technical field of valve injection molds, in particular to an injection mold for a valve, which comprises a mold body, an upper mold and a lower mold, wherein the upper mold and the lower mold are arranged inside the mold body; the utility model discloses an adopt three injection molding chamber to make injection mold once only can mould plastics three work piece, promote its production efficiency, through the water injection groove after that, carry out the water-cooling heat dissipation to injection mold to at the internally mounted breather pipe of water injection groove, make the heat of absorbing in the water injection groove and the inside heat of mould body can be dispelled fast, when promoting injection mold cooling effect, also make injection mold can evenly cool off.

Description

Injection mold for valve

Technical Field

The utility model relates to a valve injection mold technical field specifically is an injection mold for valve.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

With the development of injection molds, a plurality of devices can be manufactured by molds, valves are the same, and the valves are control parts in a fluid conveying system and have the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing pressure relief and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for valve possesses the multistation of moulding plastics, the even advantage of cooling, has solved current injection mold for valve and has moulded plastics the problem that the station is single, the cooling is inhomogeneous.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold for valve, includes mould body and the inside last mould and the bed die of mould body, the top intercommunication of going up the mould has a plurality of pipe of moulding plastics, a plurality of louvre has been seted up to the inside of going up the mould, the inside of bed die is equipped with a plurality of chamber of moulding plastics, the water injection groove has all been seted up to the inside both sides of bed die, the positive bottom intercommunication of water injection groove has the inlet opening, the positive top intercommunication of water injection groove has the apopore, the internally mounted of water injection groove has a plurality of breather pipe, the bottom intercommunication of breather pipe has the air inlet duct, the bottom of bed die is equipped with forced air cooling structure.

Preferably, the air-cooling structure includes the bottom plate, the connecting block has all been welded to the both sides at bottom plate top, the top of connecting block and the bottom welding of bed die, the inside bolt of bottom plate has the motor, the output shaft joint of motor has the flabellum, the flabellum is located the air inlet duct under.

Preferably, the number of the vent pipes is five, and the bottom of the heat dissipation hole is communicated with the top of the vent pipe.

Preferably, the height of the vent pipe is greater than that of the water filling tank, and the top of the vent pipe extends to the position above the water filling tank.

Preferably, the diameter of the vent pipe is smaller than the width of the water injection tank, and the vent pipes are arranged in the water injection tank at equal intervals.

Preferably, the number of the injection molding pipes is six, and the number of the injection molding cavities is three.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses an adopt three injection molding chamber to make injection mold once only can mould plastics three work piece, promote its production efficiency, through the water injection groove after that, carry out the water-cooling heat dissipation to injection mold to at the internally mounted breather pipe of water injection groove, make the heat of absorbing in the water injection groove and the inside heat of mould body can be dispelled fast, when promoting injection mold cooling effect, also make injection mold can evenly cool off.

Drawings

FIG. 1 is a three-dimensional schematic diagram of the structure of the present invention;

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

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a left side sectional view of the local structure of the present invention.

In the figure: 1. a mold body; 2. an upper die; 3. a lower die; 4. injection molding a tube; 5. heat dissipation holes; 6. an injection molding cavity; 7. a water injection tank; 8. a water inlet hole; 9. a water outlet hole; 10. a breather pipe; 11. an air inlet groove; 12. an air-cooled structure; 121. a base plate; 122. connecting blocks; 123. a motor; 124. a fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an injection mold for a valve comprises a mold body 1, an upper mold 2 and a lower mold 3 inside the mold body 1, the top of the upper mold 2 is communicated with a plurality of injection molding pipes 4, the inside of the upper mold 2 is provided with a plurality of heat dissipation holes 5, the inside of the lower mold 3 is provided with a plurality of injection molding cavities 6, both sides of the inside of the lower mold 3 are provided with water injection grooves 7, the front bottom of each water injection groove 7 is communicated with a water inlet 8, the front top of each water injection groove 7 is communicated with a water outlet 9, the inside of each water injection groove 7 is provided with a plurality of vent pipes 10, the bottom of each vent pipe 10 is communicated with an air inlet 11, the bottom of the lower mold 3 is provided with an air cooling structure 12, the three injection molding cavities 6 are adopted to enable the injection mold to inject three workpieces at one time, so as to improve the production efficiency, and, and the vent pipe 10 is arranged in the water injection tank 7, so that the heat absorbed in the water injection tank 7 and the heat in the mold body 1 can be quickly dissipated, and the cooling effect of the injection mold is improved while the injection mold is uniformly cooled.

In this embodiment, air-cooling structure 12 includes bottom plate 121, and connecting block 122 has all been welded to the both sides at bottom plate 121 top, and the top of connecting block 122 and the bottom welding of bed die 3, and the inside bolt of bottom plate 121 has motor 123, and the output shaft joint of motor 123 has flabellum 124, and flabellum 124 is located intake duct 11 under, uses through the cooperation of bottom plate 121, connecting block 122, motor 123 and flabellum 124, can carry out the forced air cooling to injection mold.

In this embodiment, the number of the vent pipes 10 is five, the bottom of the heat dissipation holes 5 is communicated with the top of the vent pipes 10, and by adopting the five vent pipes 10, the air flow can uniformly take away the heat inside the water injection groove 7 and the heat inside the injection mold, and is matched with the heat dissipation holes 5, so that the air flow can circulate.

In this embodiment, the height of the vent pipe 10 is greater than the height of the water injection tank 7, and the top of the vent pipe 10 extends to the upper side of the water injection tank 7, so that the vent pipe 10 is conveniently communicated with the heat dissipation holes 5.

In this embodiment, the diameter of the vent pipe 10 is smaller than the width of the water injection tank 7, and the vent pipes 10 are arranged in the water injection tank 7 at equal intervals, so that the vent pipes 10 can be wrapped by the water injection tank 7, and the heat dissipation contact area inside the water injection tank 7 is increased.

In this embodiment, the number of the injection molding pipes 4 is six, and the number of the injection molding cavities 6 is three, so that the injection mold can be manufactured in multiple stations.

During the use, when mould body 1 need cool off, with 8 external cooling water of intercommunication of inlet opening, the external water catch bowl of apopore 9 intercommunication, starter motor 123, motor 123 drives flabellum 124 and rotates, the air current passes through air inlet duct 11 and gets into breather pipe 10 afterwards, at this moment, the cooling water gets into water injection tank 7, absorb the inside heat of injection mold, the air current gives off the heat of water injection tank 7 and mould body 1 inside, and escape from louvre 5, accelerate valve cooling shaping speed.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold for valve, includes inside last mould (2) and bed die (3) of mould body (1) and mould body (1), its characterized in that: go up the top intercommunication of mould (2) and have a plurality of injection molding pipe (4), a plurality of louvre (5) have been seted up to the inside of going up mould (2), the inside of bed die (3) is equipped with a plurality of injection molding chamber (6), water injection groove (7) have all been seted up to the inside both sides of bed die (3), the positive bottom intercommunication of water injection groove (7) has inlet opening (8), the positive top intercommunication of water injection groove (7) has apopore (9), the internally mounted of water injection groove (7) has a plurality of breather pipe (10), the bottom intercommunication of breather pipe (10) has air inlet duct (11), the bottom of bed die (3) is equipped with forced air cooling structure (12).

2. An injection mold for a valve according to claim 1, wherein: forced air cooling structure (12) include bottom plate (121), connecting block (122) have all been welded to the both sides at bottom plate (121) top, the top of connecting block (122) and the bottom welding of bed die (3), the inside bolt joint of bottom plate (121) has motor (123), the output shaft joint of motor (123) has flabellum (124), flabellum (124) are located air inlet duct (11) under.

3. An injection mold for a valve according to claim 1, wherein: the number of the vent pipes (10) is five, and the bottoms of the heat dissipation holes (5) are communicated with the tops of the vent pipes (10).

4. An injection mold for a valve according to claim 1, wherein: the height of the vent pipe (10) is larger than that of the water injection tank (7), and the top of the vent pipe (10) extends to the position above the water injection tank (7).

5. An injection mold for a valve according to claim 1, wherein: the diameter of the vent pipe (10) is smaller than the width of the water injection tank (7), and the vent pipes (10) are arranged in the water injection tank (7) at equal intervals.

6. An injection mold for a valve according to claim 1, wherein: the number of the injection molding pipes (4) is six, and the number of the injection molding cavities (6) is three.