CN221339359U - Injection mold for sterilization box - Google Patents

Abstract

The utility model relates to the field of injection molds and discloses an injection mold for a sterilization box, which comprises an upper sealing plate and a female template, wherein the female template is fixed at the bottom of the upper sealing plate through screws; the mounting hole is formed in the surface of the upper sealing plate; a ventilation pipe installed inside the installation hole; the movable rod is arranged in the ventilation pipe, and the top of the movable rod is provided with a fixed block in a round table shape; and the base plate is fixed on one side of the movable rod, which is close to the bottom of the mother template. According to the utility model, the mounting holes are formed in the surfaces of the upper sealing plate and the female template, the ventilation pipe is arranged in the mounting holes, air is blown between the mould and the injection molding finished product through the ventilation pipe, the cooling speed of the finished product is further accelerated, the air is blown through the ventilation pipe, the gap between the finished product and the mould is enlarged, the finished product is helped to separate from the mould, the movable rod is arranged in the ventilation pipe, the base plate is fixed at the end part of the movable rod, so that air can only enter from the top of the ventilation pipe, and injection molding liquid is prevented from being injected from the bottom of the ventilation pipe during injection molding.

Description

Injection mold for sterilization box

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for a sterilization box.

Background

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.

The existing sterilization box injection mold can be demolded after injection molding is completed, a period of time needs to be waited for slowly cooling, the cooling of a cold water pipe is generally arranged in the mold to accelerate cooling of the finished product, the finished product is separated from the mold through an ejector pin, and when the sterilization box is taken down, the sterilization box possibly has certain adhesion with the mold and is not easy to separate from the mold, so that the production efficiency is influenced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a sterilization box injection mold, which solves the problems mentioned in the background.

The utility model provides the following technical scheme:

The utility model discloses an injection mold of a sterilization box, which comprises an upper sealing plate,

A female template fixed at the bottom of the upper sealing plate through screws;

The mounting hole is formed in the surface of the upper sealing plate;

A ventilation pipe installed inside the installation hole;

The movable rod is arranged in the ventilation pipe, and the top of the movable rod is provided with a fixed block in a round table shape;

And the base plate is fixed on one side of the movable rod, which is close to the bottom of the mother template.

Furthermore, a plurality of groups of guide posts are fixed at the bottom of the female die plate.

Further, a male template is arranged below the female template.

Further, a supporting plate is fixed on one side of the male template far away from the female template, and a guide hole is formed in the surface of the supporting plate.

Still further, the lower shrouding is installed to the below of backup pad, and one side surface that the lower shrouding is close to the backup pad is provided with the mould foot, is provided with the thimble bottom plate between two mould feet, and one side that the thimble bottom plate kept away from the lower shrouding is provided with the thimble panel, and the movable hole is seted up on the surface of thimble panel, movable hole internally mounted return pin.

Furthermore, a filling nozzle is arranged at the top of the upper sealing plate, and the inside of the die is subjected to injection molding through the filling nozzle.

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

According to the utility model, the mounting holes are formed in the surfaces of the upper sealing plate and the female template, the ventilation pipe is arranged in the mounting holes, air is blown between the mould and the injection molding finished product through the ventilation pipe, the cooling speed of the finished product is further accelerated, the air is blown through the ventilation pipe, the gap between the finished product and the mould is enlarged, the finished product is helped to separate from the mould, the movable rod is arranged in the ventilation pipe, the base plate is fixed at the end part of the movable rod, so that air can only enter from the top of the ventilation pipe, and injection molding liquid is prevented from being injected from the bottom of the ventilation pipe during injection molding.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective cross-sectional view of the structure of the present utility model;

FIG. 3 is a split view of the present utility model;

FIG. 4 is a partial cross-sectional view of an upper closure plate and a master template in accordance with the present utility model;

FIG. 5 is an enlarged view of A in FIG. 4;

Reference numerals in the drawings represent respectively: 1. an upper sealing plate; 2. a master template; 3. a guide post; 4. a male template; 5. a support plate; 6. a return pin; 7. a thimble panel; 8. a thimble bottom plate; 9. a lower sealing plate; 10. pouring nozzle; 11. a mounting hole; 12. a ventilation pipe; 13. a movable rod; 14. a backing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the sterilization box comprises an upper sealing plate 1, a female die plate 2, a female die core, a circulating cold water pipe, a water inlet and a water outlet, wherein the female die plate 2 is fixed at the bottom of the upper sealing plate 1 through screws, a mounting groove is formed in the middle of the bottom of the female die plate 2, the female die core is arranged in the mounting groove, the circulating cold water pipe is arranged in the female die plate 2, the side wall is provided with the water inlet and the water outlet, and the whole temperature of the female die plate 2 is reduced through the circulation of cold water in the cold water pipe, so that the sterilization box after injection molding is rapidly molded and conveniently falls off; the mounting hole 11 is formed in the surface of the upper sealing plate 1 and extends into the mounting groove of the female die plate 2, and a through hole is formed in the position, corresponding to the mounting hole 11, of the female die core in the mounting groove of the female die plate 2; the ventilation pipe 12 is arranged in the mounting hole 11, the top of the ventilation pipe can be connected with the air inlet pipe, the air inlet pipe blows air to the bottom of the sterilization box after the female die plate 2 is molded by the ventilation pipe 12, so that the cooling speed of a finished sterilization box product is increased, air is fed between the bottom of the sterilization box and the female die core, the sterilization box and the die core are also favorably separated, and the problem that the molded finished product and the die core are adhered is reduced; the movable rod 13 is arranged in the ventilation pipe 12, a fixed block in a circular truncated cone shape is arranged at the top, a spring is arranged on the outer ring, a movable groove is formed in the inner wall of the ventilation pipe 12 and corresponds to the position of the fixed block, the fixed block can be driven to move together through the up-down movement of the movable rod 13, when the fixed block is contacted with the top of the movable groove, the movable groove can be sealed by the fixed block, so that the top and the bottom of the mounting hole 11 are not communicated with each other, when the fixed block moves along with the movable rod 13 to the bottom of the movable groove, air can enter the ventilation pipe 12 from the top of the upper sealing plate 1, and then is fed between a mold core and a sterilization box through a through hole formed in the mold core, and separation of the sterilization box and the mold core is accelerated; the backing plate 14 is fixed on one side of the movable rod 13, which is close to the bottom of the female die plate 2, the backing plate 14 is arranged in a through hole formed in the female die plate core, when the gap between the die cores is injected, a fixed block at the top of the movable rod 13 is pushed by a spring, the fixed block is clamped at the top of the movable groove, the movable rod 13 moves upwards along with the fixed block, the movable rod 13 moves and drives the backing plate 14 to retract into the through hole of the die core, the inner wall of the die core forms a smoother plane, the surface of the injection-molded sterilization box is smoother and smoother, meanwhile, injection-molded liquid can be prevented from overflowing from the through hole of the die core, after the injection-molded sterilization box is finished, an air inlet pipe is connected to the top of the ventilation pipe 12, the air inlet pipe is used for pressurizing the fixed block at the top of the movable rod 13, so that the movable rod 13 moves towards the injection-molded sterilization box, and the backing plate 14 pushes the sterilization box to the bottom of the female die plate 2 while filling gas between the sterilization box and the die core, and accelerating separation of the sterilization box and the die.

A plurality of groups of guide posts 3 are fixed. The male template 4 is arranged below the female template 2, the mounting groove is also formed in the position of the male template 4 corresponding to the mounting groove of the guide post 3, the male mold core is arranged in the mounting groove, the positioning hole is formed in the surface of the male template 4 corresponding to the position of the guide post 3, and when the female template 2 and the male template 4 are close to each other, the positions of the two mold cores are determined by inserting the guide post 3 into the positioning hole.

One side of the male template 4 far away from the female template 2 is fixed with a supporting plate 5, and the surface of the supporting plate 5 is provided with a guide hole. The lower shrouding 9 is installed to the below of backup pad 5, the movable hole has been seted up to the centre of lower shrouding 9, the inside push rod that is used for installing of movable hole, one side surface that lower shrouding 9 is close to backup pad 5 is provided with the mould foot, the surface of mould foot is fixed with backup pad 5 each other, be provided with thimble bottom plate 8 between two mould feet, one side that thimble bottom plate 8 is close to lower shrouding 9 is fixed with the push rod, one side that thimble bottom plate 8 kept away from down shrouding 9 is provided with thimble panel 7, the movable hole is seted up on thimble panel 7's surface, movable hole internally mounted return pin 6, the bottom and the thimble bottom plate 8 of return pin 6 are fixed, install at the guiding hole of backup pad 5 at the top, set up coil spring between return pin 6 and the backup pad 5, promote thimble bottom plate 8 through the push rod to remove to backup pad 5, the return pin 6 at top is driven to the thimble bottom plate 8 moves in the space between two mould feet, after thimble bottom plate 8 removes certain distance from the guiding hole internal protrusion of backup pad 5 surface, separate the sterilization box that will mould.

The top of the upper sealing plate 1 is provided with a filling nozzle 10, and the inside of the die is subjected to injection molding through the filling nozzle 10.

To sum up, install the mounting hole 11 of air pipe 12 through last shrouding 1 surface and fix, fix the fixed side of injection molding machine with last shrouding 1, then fix mother's template 2 and last shrouding 1 each other, the female die benevolence of sterilization box is installed to the mounting groove at mother's template 2, pay attention to each other with the through-hole of bottom and mounting hole 11 during the installation, make air pipe 12 internally mounted's backing plate 14 can block in the through-hole, then install down shrouding 9 and the movable side of injection molding machine, make up ejector pin panel 7 and ejector pin bottom plate 8 after overlapping return pin 6, fix the push rod in ejector pin bottom plate 8 one side of being close to down shrouding 9, then cover at return pin 6 one side of being close to ejector pin panel 7 is established the spring, establish backup pad 5 at return pin 6's top cover, backup pad 5 and lower shrouding 9's mould foot top is fixed, the male template 4 is kept away from one side of down in the mounting groove of male template 4, insert the male template benevolence of sterilization box is installed to the mounting groove, insert the position of filling mouth 10 and insert the mouth between the female template benevolence and carry out the injection molding, insert through inserting the side at female template 2 and male template 4 and the side, insert the cooling tube is cooled down the air pipe is cooled down, insert 12 is cooled down between the air pipe and the core is avoided when the air pipe is inserted between the die core, the finished die is easy to insert, and the finished, the finished die is cooled, and insert die core is cooled and the insert die core is cooled and insert, the core is easy to insert, the insert die has been cooled and insert die core and insert, insert die core and insert die core, and insert die core and insert die has been cooled.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. An injection mold for a sterilization box comprises an upper sealing plate (1),

It is characterized in that the method also comprises the following steps:

the female template (2) is fixed at the bottom of the upper sealing plate (1) through screws;

Mounting holes (11) arranged on the surface of the upper sealing plate (1);

A ventilation pipe (12) installed inside the installation hole (11);

The movable rod (13) is arranged in the ventilation pipe (12), and a fixed block in a shape of a circular table is arranged at the top of the movable rod;

The backing plate (14) is fixed on one side of the movable rod (13) close to the bottom of the master template (2).

2. The sterilization case injection mold of claim 1, wherein: a plurality of groups of guide posts (3) are fixed at the bottom of the mother template (2).

3. The sterilization case injection mold of claim 1, wherein: a male template (4) is arranged below the female template (2).

4. The sterilization case injection mold of claim 1, wherein: one side of the male template (4) far away from the female template (2) is fixed with a supporting plate (5), and a guide hole is formed in the surface of the supporting plate (5).

5. The sterilization case injection mold of claim 1, wherein: the lower shrouding (9) is installed to the below of backup pad (5), and one side surface that lower shrouding (9) are close to backup pad (5) is provided with the mould foot, is provided with thimble bottom plate (8) between two mould feet, and one side that thimble bottom plate (8) kept away from lower shrouding (9) is provided with thimble panel (7), and the movable hole is seted up on the surface of thimble panel (7), movable hole internally mounted return pin (6).

6. The sterilization case injection mold of claim 1, wherein: the top of the upper sealing plate (1) is provided with a filling nozzle (10).