CN212194008U

CN212194008U - Laryngeal mask gasbag injection mold

Info

Publication number: CN212194008U
Application number: CN202020713462.9U
Authority: CN
Inventors: 李游; 严浩斌
Original assignee: Jiangmen Kangxin Medical Equipment Co ltd
Current assignee: Jiangmen Kangxin Medical Equipment Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-22
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a laryngeal mask gasbag injection mold, which comprises a first template, a second template and a plurality of mold cores, wherein the second template is provided with an injection port and a main runner, and a plurality of cavities and a plurality of branch runners are formed after the first template and the second template are matched; each mold core is in sliding connection with the first template, each mold core is independently arranged in one cavity, and an injection molding cavity is formed between each mold core and the cavity where the mold core is arranged; one end of the main runner is communicated with the injection molding port, and the other end of the main runner is communicated with the plurality of branch runners; each branch flow passage is communicated with one injection molding cavity. The shape of the laryngeal mask air bag is obtained through direct injection molding by an injection molding process, no redundant waste is generated, and the production cost is reduced; through setting up sprue, sprue and a plurality of cavity can once only mould plastics and obtain a plurality of laryngeal mask gasbags, improve production efficiency.

Description

Laryngeal mask gasbag injection mold

Technical Field

The utility model relates to a laryngeal mask production mould, especially a laryngeal mask gasbag injection mold.

Background

Currently, laryngeal mask balloons are typically manufactured using the following process: firstly, blow molding a long cylindrical plastic strip, then, performing compression molding on the long cylindrical plastic strip to obtain the shape of the air bag through a compression molding die, and finally, cutting off other waste materials except the shape of the air bag in the long cylindrical plastic strip. The process for manufacturing the laryngeal mask air bag only can be used for compression molding one laryngeal mask air bag per compression molding, wastes a lot of waste materials, causes raw material waste, and has high production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a laryngeal mask gasbag injection mold.

The utility model provides a technical scheme that its problem adopted is:

a laryngeal mask gasbag injection mold comprises a first template, a second template and a plurality of mold cores, wherein the second template is provided with an injection port and a main runner, and a plurality of cavities and a plurality of branch runners are formed after the first template and the second template are matched; each mold core is connected with the first template in a sliding mode, each mold core is independently arranged in one cavity, and an injection molding cavity used for enabling injection molding raw materials to form the laryngeal mask air bag is formed between each mold core and the cavity where the mold core is located; one end of the main runner is communicated with the injection molding port, and the other end of the main runner is communicated with the branch runners; each branch flow channel is communicated with one injection molding cavity.

Further, a first branch runner is processed on the joint surface of the first template, and a second branch runner is processed on the joint surface of the second template; and after the first template and the second template are matched, the first branch runner and the second branch runner form the branch runner.

Furthermore, a plurality of branch runners are converged in a converging cavity, and the branch runners and the main runner are intersected in the converging cavity.

Further, the injection molding opening is located on the outer surface, opposite to the joint surface, of the second template, and the injection molding opening is located opposite to the convergence cavity.

Furthermore, the main runner is a straight-line segment, and the main runner penetrates through the second template.

Further, the mold core includes fixed part, mold core main part and oval ring connection piece, the fixed part is located within the inward flange of mold core main part, the fixed part pass through oval ring connection piece with the mold core main part is connected.

Further, the injection molding cavity surrounds the elliptical ring connecting piece and the outer side of the mold core main body.

Further, the lower end of the fixing part is connected with a mounting bolt, and the first template is provided with a mounting hole; the mounting peg is inserted into the mounting hole.

Furthermore, a positioning cavity is machined on the joint surface of the second template, and the upper end of the fixing part is embedded into the positioning cavity.

The laryngeal mask airbag injection mold at least has the following beneficial effects: the shape of the laryngeal mask air bag is obtained through direct injection molding by an injection molding process, no redundant waste is generated, and the production cost is reduced; through setting up sprue, sprue and a plurality of cavity can once only mould plastics and obtain a plurality of laryngeal mask gasbags, improve production efficiency.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples.

FIG. 1 is a structural diagram of a laryngeal mask airbag injection mold according to an embodiment of the present invention;

FIG. 2 is a block diagram of a second template of FIG. 1;

FIG. 3 is a block diagram of the first template of FIG. 1;

FIG. 4 is a block diagram of the mold core of FIG. 1;

FIG. 5 is a schematic partial cross-sectional view of a closed laryngeal mask balloon injection mold;

fig. 6 is a structural diagram of a laryngeal mask balloon manufactured by using the laryngeal mask balloon injection mold according to the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, an embodiment of the present invention provides a laryngeal mask airbag injection mold, including a first mold plate 100, a second mold plate 200 and a plurality of mold cores 300, wherein the second mold plate 200 is provided with an injection port 220 and a main runner 210, and a plurality of cavities 510 and a plurality of branch runners 400 are formed after the first mold plate 100 and the second mold plate 200 are assembled; each mold core 300 is connected with the first mold plate 100 in a sliding manner, each mold core 300 is independently arranged in one cavity 510, and an injection molding cavity 520 for molding the throat cover airbag 600 by injection molding raw materials is formed between each mold core 300 and the cavity 510; one end of the main flow channel 210 is communicated with the injection molding port 220, and the other end of the main flow channel 210 is communicated with the plurality of branch flow channels 400; each of the side runners 400 communicates with one of the injection molding cavities 520.

In this embodiment, a plurality of mold cores 300 are first mounted on the first mold plate 100, and then the first mold plate 100 and the second mold plate 200 are clamped, the mold cores 300 are located in the cavities 510 formed after the first mold plate 100 and the second mold plate 200 are clamped, and injection molding cavities 520 are formed between the mold cores 300 and the cavities 510. And injecting injection molding raw materials from the injection molding port 220, wherein the injection molding raw materials flow through the main flow channel 210, then flow to the branch flow channel 400 and are injected into the injection molding cavity 520, and the injection molding raw materials are molded into the shape of the laryngeal mask airbag 600 in the injection molding cavity 520. The shape of the laryngeal mask airbag 600 is obtained through direct injection molding by an injection molding process, no redundant waste is generated, and the production cost is reduced; by arranging the main runner 210, the branch runners 400 and the cavities 510, a plurality of laryngeal mask airbags 600 can be obtained through one-time injection molding, and the production efficiency is improved.

Referring to fig. 2 and 3, further, a first branch groove 120 is formed at a joint surface of the first mold plate 100, and a second branch groove 230 is formed at a joint surface of the second mold plate 200; after the first mold plate 100 and the second mold plate 200 are closed, the first branch flow groove 120 and the second branch flow groove 230 form a branch flow passage 400. In this embodiment, the first branch flow channel 120 is located at the joint surface of the first mold plate 100, and the second branch flow channel 230 is located at the joint surface of the second mold plate 200, which is more convenient to process than the branch flow channel 400 processed inside the mold plates.

Further, the branch runners 400 converge in a convergence chamber, and the branch runners 400 intersect with the main runner 210 in the convergence chamber. The injection port 220 is located on an outer surface of the second mold plate 200 opposite to the mating surface, and the injection port 220 is located opposite to the convergence cavity. The main flow channel 210 is a straight line segment, and the main flow channel 210 penetrates through the second mold plate 200.

In this embodiment, the injection molding material is fed from the injection port 220, passes through the straight main flow channel 210, and then is distributed in the converging chamber to the plurality of branched branch flow channels 400, and flows through each branch flow channel 400 to the injection molding chamber 520, thereby forming the laryngeal mask bladder 600 in the injection molding chamber 520. The straight main runner 210 and the branch runners 400 machined on the joint surfaces have the advantage of being convenient to machine.

It should be noted that the branch flow path 400 is also straight. The straight branch flow path 400 is not easy to accumulate the injection molding material. The branch flow passages 400 are four in number, the cavities 510 are four in number, and four laryngeal mask airbags 600 can be formed in an injection molding mode at one time.

Referring to FIG. 4, further, the mold core 300 includes a fixing portion 330, a core body 310, and an elliptical ring-shaped connecting piece 320, the fixing portion 330 being located inside the inner edge of the core body 310, the fixing portion 330 being connected to the core body 310 by the elliptical ring-shaped connecting piece 320. The core main body 310 is embodied in the shape of an elliptical ring body. Mold core 300 is placed in cavity 510 and cooperates with cavity 510 to form injection mold cavity 520 for molding the injection molding material and producing laryngeal mask bladder 600.

Referring to FIG. 5, further, injection molding cavities 520 surround the outside of the elliptical ring connecting pieces 320 and the core body 310. Referring to fig. 6, the main body 610 of the laryngeal mask balloon 600 injection-molded from the injection-molded cavity 520 has a hollow elliptical ring shape, the inner edges are divided, and the upper and lower inner edges are connected to elliptical ring-shaped connecting pieces 620. The upper and lower connecting pieces 620 are bonded or welded to merge the inner edges to obtain the final laryngeal mask balloon 600.

Further, the lower end of the fixing portion 330 is connected with a mounting bolt 340, and the first template 100 is provided with a mounting hole 110; the mounting pegs 340 are inserted into the mounting holes 110 to enable the mold core 300 to slidably couple with the first mold plate 100. In this embodiment, the mounting pins 340 of the mold core 300 are inserted into the mounting holes 110 of the first mold plate 100 until the lower end surface of the fixing portion 330 abuts against the mold clamping surface of the first mold plate 100, and then the first mold plate 100 and the second mold plate 200 are clamped.

Referring to fig. 2 and 5, further, a positioning cavity 240 is formed at the mating surface of the second mold plate 200, and the upper end of the fixing portion 330 is inserted into the positioning cavity 240. The positioning cavity 240 serves to further secure the mold core 300. It should be noted that, if there is no injection molding cavity 520 between the upper end of the fixing portion 330 and the positioning cavity 240, the injection molding material cannot enter.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims

1. The laryngeal mask airbag injection mold is characterized by comprising a first template, a second template and a plurality of mold cores, wherein the second template is provided with an injection port and a main runner, and a plurality of cavities and a plurality of branch runners are formed after the first template and the second template are matched; each mold core is connected with the first template in a sliding mode, each mold core is independently arranged in one cavity, and an injection molding cavity used for enabling injection molding raw materials to form the laryngeal mask air bag is formed between each mold core and the cavity where the mold core is located; one end of the main runner is communicated with the injection molding port, and the other end of the main runner is communicated with the branch runners; each branch flow channel is communicated with one injection molding cavity.

2. The laryngeal mask airbag injection mold of claim 1, wherein a first branching groove is formed in the mating surface of the first mold plate, and a second branching groove is formed in the mating surface of the second mold plate; and after the first template and the second template are matched, the first branch runner and the second branch runner form the branch runner.

3. The laryngeal mask bladder injection mold of claim 2, wherein a plurality of the branch runners converge in a converging cavity, and a plurality of the branch runners intersect the main runner in the converging cavity.

4. The laryngeal mask bladder injection mold of claim 3, wherein the injection port is located on an outer surface of the second mold plate opposite the mating face, the injection port being located opposite the converging cavity.

5. The laryngeal mask bladder injection mold of claim 4, wherein the primary flow passage is a straight line segment, the primary flow passage extending through the second mold plate.

6. The laryngeal mask bladder injection mold of claim 1, wherein the mold core comprises a fixing portion, a mold core body and an elliptical ring web, the fixing portion being located inside an inner edge of the mold core body, the fixing portion being connected with the mold core body by the elliptical ring web.

7. The laryngeal mask bladder injection mold of claim 6, wherein the injection molding cavity surrounds the elliptical ring web and the outside of the mold core body.

8. The laryngeal mask airbag injection mold of claim 7, wherein a mounting peg is connected to a lower end of the fixing portion, the first template is provided with a mounting hole; the mounting peg is inserted into the mounting hole.

9. The laryngeal mask airbag injection mold of claim 8, wherein a locating cavity is machined in the joint surface of the second mold plate, and an upper end of the fixing portion is embedded into the locating cavity.