CN216860497U

CN216860497U - A easy demoulding mould for oxygen mask production

Info

Publication number: CN216860497U
Application number: CN202220388784.XU
Authority: CN
Inventors: 陈继源
Original assignee: Shenzhen Yimeng Plastic Mould Co ltd
Current assignee: Shenzhen Yimeng Plastic Mould Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-01
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to the technical field of injection molds, in particular to an easy-demoulding mold for oxygen mask production. According to the utility model, the air hole plug is driven to be separated from the air hole by the control cylinder, then high-pressure air is pumped into the air hole through the high-pressure air pump, the high-pressure air is used for applying pressure to the formed part, so that the formed part is conveniently demoulded, and compared with the traditional demoulding method using the ejector pin, the compressed air can not cause scraping damage to the surface of the formed part when the pressure is applied to the formed part, so that the formed part can be better protected when the formed part with lower surface hardness is demoulded, and the formed part is prevented from being scraped.

Description

A easy demoulding mould for oxygen mask production

Technical Field

The utility model relates to the technical field of injection molds, in particular to an easy-demoulding mold for oxygen mask production.

Background

The injection mold is a tool for producing plastic products, molten plastic is injected into a mold cavity of the injection mold at high pressure by an injection molding machine, then is extruded and shaped, and is cooled and solidified to obtain a formed product, so that the injection mold has a good using effect, and the injection mold is also required to be used for processing in the production of the oxygen mask.

According to the patent application number: CN202021989453.9 discloses an easy demoulding injection mould, this utility model, simple structure, the drawing of patterns of being convenient for, and reduce the manpower, improve work efficiency, can collect the raw materials that spills over, improve product quality, however, this utility model provides pressure to the formed part through metalworks such as thimbles when the drawing of patterns, realize the drawing of patterns, when drawing of patterns to the formed part that hardness is lower, scrape the damage with the formed part surface very easily, can not protect the formed part better. Accordingly, one skilled in the art provides an easy-to-release mold for oxygen mask production to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an easy-demoulding mould for oxygen mask production, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an easy demoulding mould for oxygen mask production comprises a lower mould support, wherein the upper side of the lower mould support is connected with a lower mould in a sliding manner, two conveniently-disassembled fixing mechanisms with the same structure are symmetrically arranged between the lower mould support and the lower mould, an upper mould is arranged right above the lower mould, a mould cavity is arranged at the upper side of the lower mould, two air holes are symmetrically arranged at positions at two ends of the bottom side of the mould cavity, sleeves are fixed at positions corresponding to the two air holes in the lower mould, air cylinders are respectively arranged at one ends of the inner sides of the two sleeves, air hole plugs are respectively fixed at the telescopic ends of the two air cylinders and are respectively matched with the inner sides of the two air holes, a high-pressure air pump is arranged at a position between the two sleeves at the inner side of the lower mould, the air outlet end of the high-pressure air pump is connected with two air pipes, one ends of the two air pipes are respectively communicated with the inner parts of the two sleeves, and the air inlet end of the high-pressure air pump is connected with an air inlet pipe extending to the outside of the lower die.

As a still further scheme of the utility model: just, dismouting fixed establishment is including being fixed in lower mould support one side and being located the internal thread sleeve of middle section position department, seting up the smooth chamber that corresponds internal thread sleeve position department in the inside one side of lower mould support, seting up the locating hole that corresponds internal thread sleeve position department in lower mould one side, the telescopic inboard of internal thread is run through the screw thread and is rotated and be connected with the screw rod that extends to the inboard of smooth chamber, the one end of screw rod is rotated and is connected with the slide, slide and the inboard sliding connection in smooth chamber, and the one end of slide is fixed with the locating lever.

As a still further scheme of the utility model: one end of the positioning rod is of a conical structure, and one end of the positioning hole is provided with a conical groove matched with the conical structure.

As a still further scheme of the utility model: and the other end of the internal thread sleeve is fixedly provided with a hexagonal prism positioned outside the internal thread sleeve.

As a still further scheme of the utility model: four guide rods which are arranged in a rectangular shape are symmetrically fixed at two ends of the lower die, and the four guide rods are inserted at two ends of the upper die in a sliding manner.

As a still further scheme of the utility model: the bilateral symmetry of lower mould support is fixed with four mounting panels that are the rectangle and arrange, the mounting hole has all been seted up to the inside of mounting panel.

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

1. the air hole plug is driven to be separated from the air hole through the control cylinder, then high-pressure air is pumped into the air hole through the high-pressure air pump, the high-pressure air is used for applying pressure to the formed part, the formed part is convenient to demould, and compared with traditional demoulding by using a thimble, the compressed air can not cause scraping damage to the surface of the formed part when the pressure is applied to the formed part, so that the formed part can be better protected when the formed part with lower surface hardness is demoulded, and the formed part is prevented from being scraped;

2. through just dismouting fixed establishment, can carry out the dismouting with lower mould and lower mould support, conveniently change the lower mould or maintain the lower mould, improved the practicality.

Drawings

FIG. 1 is a schematic structural view of an easy-release mold for oxygen mask production;

FIG. 2 is a schematic structural view of the interior of a lower mold of an easy-release mold for oxygen mask production;

FIG. 3 is a schematic cross-sectional view of a lower mold support of an easy-release mold for oxygen mask production;

fig. 4 is an enlarged view of a portion a of fig. 3 of an easy-release mold for oxygen mask production.

In the figure: 1. a lower die support; 2. a lower die; 3. a mold cavity; 4. an upper die; 5. air holes; 6. a sleeve; 7. a cylinder; 8. a gas hole plug; 9. a high pressure air pump; 10. a gas delivery pipe; 11. an air inlet pipe; 12. an internally threaded sleeve; 13. a screw; 14. a slide plate; 15. positioning holes; 16. positioning a rod; 17. a hexagonal prism; 18. a guide rod; 19. and (7) mounting the plate.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, an easy-to-detach mold for oxygen mask production includes a lower mold support 1, a lower mold 2 is slidably connected to an upper side of the lower mold support 1, two easy-to-detach fixing mechanisms having the same structure are symmetrically disposed between the lower mold support 1 and the lower mold 2, an upper mold 4 is disposed right above the lower mold 2, a mold cavity 3 is disposed on an upper side of the lower mold 2, two air holes 5 are symmetrically disposed at two ends of a bottom side of the mold cavity 3, sleeves 6 are fixed at positions corresponding to the two air holes 5 inside the lower mold 2, air cylinders 7 are mounted at one ends of inner sides of the two sleeves 6, air plugs 8 are fixed at telescopic ends of the two air cylinders 7, the two air plugs 8 are respectively adapted to inner sides of the two air holes 5, a high pressure air pump 9 is mounted at a position between the two sleeves 6 inside the lower mold 2, an air outlet end of the high pressure air pump 9 is connected to two air pipes 10, one end of each of the two air delivery pipes 10 is communicated with the inside of the two sleeves 6, and the air inlet end of the high-pressure air pump 9 is connected with an air inlet pipe 11 extending to the outside of the lower die 2.

In fig. 4: just, dismouting fixed establishment is including being fixed in the internal thread sleeve 12 that lower mould support 1 one side is located middle section position department, set up in the smooth chamber that 1 inside one side of lower mould support corresponds internal thread sleeve 12 position department, set up in the locating hole 15 that 2 one side of lower mould corresponds internal thread sleeve 12 position department, the inboard of internal thread sleeve 12 runs through the screw thread and rotates and be connected with the screw rod 13 that extends to the smooth intracavity side, the one end of screw rod 13 is rotated and is connected with slide 14, slide 14 and the inboard sliding connection in smooth chamber, and the one end of slide 14 is fixed with locating lever 16, through just, dismouting fixed establishment, can carry out the dismouting with lower mould 2 and lower mould support 1, conveniently change lower mould 2 or maintain lower mould 2, the practicality is improved.

In fig. 4: one end of the positioning rod 16 is in a conical structure, one end of the positioning hole 15 is provided with a conical groove matched with the conical structure, and the conical structure facilitates the insertion of the positioning rod 16 into the positioning hole 15.

In fig. 4: the other end of the internal thread sleeve 12 is fixed with a hexagonal prism 17 positioned outside the internal thread sleeve 12, and the hexagonal prism 17 is used for driving the screw 13 to rotate.

In fig. 1: four guide rods 18 which are arranged in a rectangular shape are symmetrically fixed at two ends of the lower die 2, the four guide rods 18 are all inserted at two ends of the upper die 4 in a sliding manner, and the guide rods 18 play a role in guiding the upper die 4.

In fig. 1: the bilateral symmetry of lower mould support 1 is fixed with four mounting panels 19 that are the rectangle and arrange, and the mounting hole has all been seted up to mounting panel 19's inside, and mounting panel 19 is used for installing lower mould support 1.

The working principle of the utility model is as follows: after the injection molding is finished, the upper mold 4 is separated from the lower mold 2, the molded part molded on the inner side of the mold cavity 3 needs to be demolded at the moment, the telescopic ends of the two cylinders 7 are controlled to retract, the two air hole plugs 8 are respectively driven to move downwards, the two air hole plugs 8 are separated from the two air holes 5, so that gaps are generated between the air holes 5 and the air hole plugs 8, then the high-pressure air pump 9 is controlled to operate, the high-pressure air pump 9 sucks external air, then the air is pressurized and exhausted to the inner sides of the two air pipes 10, the compressed air respectively flows into the inner sides of the two sleeves 6 through the two air pipes 10 and then flows into the inner sides of the air holes 5 through the gaps between the air holes 5 and the air hole plugs 8, the high-pressure air can apply pressure on the molded part on the inner side of the mold cavity 3, the molded part can be conveniently and smoothly demolded, the demolding difficulty is reduced, the production efficiency is improved, compared with the traditional demolding mode by using ejector pins, compressed air can not cause the scraping damage to the formed part surface when exerting pressure to the formed part, consequently can protect the formed part better when drawing of patterns to the lower formed part of surface hardness, prevent to scrape the damage with the formed part, rotate screw rod 13 through hexagonal prism 17, screw rod 13 rotates and drives slide 14 and locating lever 16 through the thread engagement and remove, make locating lever 16 insert locating hole 15 inboard or with locating hole 15 separation, thereby can carry out the dismouting to lower mould 2, the convenience is changed different lower moulds 2 as required, the practicality has been improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. An easy demoulding mould for oxygen mask production comprises a lower mould support (1) and is characterized in that the upper side of the lower mould support (1) is connected with a lower mould (2) in a sliding manner, two convenient dismounting and fixing mechanisms with the same structure are symmetrically arranged between the lower mould support (1) and the lower mould (2), an upper mould (4) is arranged right above the lower mould (2), a mould cavity (3) is arranged at the upper side of the lower mould (2), two air holes (5) are symmetrically arranged at the positions of two ends of the bottom side of the mould cavity (3), sleeves (6) are fixed at the positions of the inner part of the lower mould (2) corresponding to the two air holes (5), cylinders (7) are respectively installed at one ends of the inner sides of the two sleeves (6), air hole plugs (8) are respectively fixed at the telescopic ends of the two cylinders (7), and the two air hole plugs (8) are respectively matched with the inner sides of the two air holes (5), the inboard of lower mould (2) is located position department between two sleeve pipes (6) and installs high compression pump (9), the end of giving vent to anger of high compression pump (9) is connected with two gas-supply pipes (10), two the one end of gas-supply pipe (10) communicates with the inside of two sleeve pipes (6) respectively, the inlet end of high compression pump (9) is connected with intake pipe (11) that extend to lower mould (2) outside.

2. The mold easy to be removed for producing the oxygen mask as claimed in claim 1, wherein the fixing mechanism for easy detachment and installation comprises an internal threaded sleeve (12) fixed on one side of the lower mold support (1) at a middle position, a sliding cavity arranged on one side inside the lower mold support (1) corresponding to the internal threaded sleeve (12), and a positioning hole (15) arranged on one side of the lower mold (2) corresponding to the internal threaded sleeve (12), the inner side of the internal threaded sleeve (12) is rotatably connected with a screw (13) extending to the inner side of the sliding cavity through a thread, one end of the screw (13) is rotatably connected with a sliding plate (14), the sliding plate (14) is slidably connected with the inner side of the sliding cavity, and a positioning rod (16) is fixed at one end of the sliding plate (14).

3. The easy-demoulding mould for producing oxygen masks according to claim 2, characterized in that one end of the positioning rod (16) is in a conical structure, and one end of the positioning hole (15) is provided with a conical groove matched with the conical structure.

4. The easy-demoulding mould for producing oxygen masks according to claim 2, characterized in that the other end of the internally threaded sleeve (12) is fixed with a hexagonal prism (17) located outside the internally threaded sleeve (12).

5. The easy-demoulding mould for producing oxygen masks according to claim 1, wherein four guide rods (18) arranged in a rectangular shape are symmetrically fixed at two ends of the lower mould (2), and the four guide rods (18) are slidably inserted at two ends of the upper mould (4).

6. The easy-demoulding mould for producing the oxygen mask as claimed in claim 1, wherein four mounting plates (19) are symmetrically fixed on two sides of the lower mould bracket (1) and are arranged in a rectangular shape, and mounting holes are formed in the mounting plates (19).