CN214687596U - Medical plastic part double-color mold one-shot material head ejection structure - Google Patents

Abstract

A double-color mold one-injection head ejection structure for medical plastic parts comprises a mold body, wherein the mold body is sequentially provided with a male mold plate, an upper ejector plate, a lower ejector plate and a lower fixing plate from top to bottom; the male template is provided with a through hole, the stub bar is arranged on the surface of the male template and positioned above the through hole, the upper ejector plate is provided with a support plate, an ejector pin is fixedly arranged on the support plate, and the through hole and the ejector pin vertically correspond to each other; a support column is arranged below the support plate, and the support plate can be arranged in a vertically lifting manner through the support column; according to the double-color mold one-shot-head ejection structure for the medical plastic part, the stub bar on the male template can be ejected through the ejection column, so that the one-shot stub bar is separated from a product when the mold is opened for the first time, the production period is shortened, and the production cost is reduced; the mould structure is stable and reliable, has the mass production nature, realizes automated production smoothly.

Description

Medical plastic part double-color mold one-shot material head ejection structure

Technical Field

The utility model belongs to the technical field of medical plastic part mould, concretely relates to medical plastic part double-colored mould is penetrated stub bar and is pushed out structure.

Background

In some structural designs of the double-color mold glue inlet system, a cold runner submarine gate design is usually adopted, but a material injection head cannot automatically fall off due to the fact that injection does not have ejection movement; the common die needs to realize smooth production, a pouring gate needs to be manually removed, the post-processing time is long, and the labor cost is high.

Therefore, there is a need to design a dual-color mold and a material ejection head ejection structure for medical plastic parts to solve the above-mentioned technical problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a medical plastic part double-color mold ejection head ejection structure.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: a double-color mold one-injection head ejection structure for medical plastic parts comprises a mold body, wherein the mold body is sequentially provided with a male mold plate, an upper ejector plate, a lower ejector plate and a lower fixing plate from top to bottom; the male template is provided with a through hole, the stub bar is arranged on the surface of the male template and positioned above the through hole, the upper ejector plate is provided with a support plate, an ejector pin is fixedly arranged on the support plate, and the through hole and the ejector pin vertically correspond to each other; the support plate is characterized in that a top column is arranged below the support plate, and the support plate can be lifted up and down through the top column.

Preferably, the die body is provided with a guide post, and the support plate is movably sleeved on the guide post.

Preferably, the guide post is sleeved with a spring, and the spring is positioned between the male die plate and the supporting plate.

Preferably, a groove corresponding to the spring is formed in the lower end face of the male template.

Preferably, the top pillar comprises a first top pillar and a second top pillar, the front end of the first top pillar is connected with the supporting plate, and the rear end of the first top pillar is connected with the second top pillar.

Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has as follows:

according to the double-color mold one-shot-head ejection structure for the medical plastic part, the stub bar on the male template can be ejected through the ejection column, so that the one-shot stub bar is separated from a product when the mold is opened for the first time, the production period is shortened, and the production cost is reduced; the mould structure is stable and reliable, has the mass production nature, realizes automated production smoothly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the above drawings, a male template 1, an upper ejector plate 2, a lower ejector plate 3, a lower fixing plate 4, a stub bar 5, a support plate 6, an ejector pin 7, a guide pillar 8, a spring 9, a first ejector column 10 and a second ejector column 11.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a medical plastic part double-color mold one-shot head ejection structure comprises a mold body, wherein the mold body is sequentially provided with a male mold plate 1, an upper ejector plate 2, a lower ejector plate 3 and a lower fixing plate 4 from top to bottom; the male die plate 1 is provided with a through hole, the stub bar 5 is arranged on the surface of the male die plate 1 and is positioned above the through hole, the upper ejector plate 2 is provided with a support plate 6, an ejector pin 7 is fixedly arranged on the support plate 6, and the through hole vertically corresponds to the ejector pin 7; a top column is arranged below the supporting plate 6, and the supporting plate 6 can be lifted up and down through the top column.

The preferred embodiment is:

the die body is provided with a guide post 8, and the support plate 6 is movably sleeved on the guide post 8.

The guide post 8 is sleeved with a spring 9, and the spring 9 is positioned between the male die plate 1 and the supporting plate 6.

And a groove corresponding to the spring 9 is formed in the lower end face of the male template 1.

The fore-set includes first fore-set 10 and second fore-set 11, first fore-set 10 front end with backup pad 6 is connected, the rear end of first fore-set 10 with second fore-set 11 is connected.

The utility model relates to a material head ejection structure is penetrated to a medical plastic part double-colored mould of this scheme design, and concrete working method is: when the die is opened, the second ejection column 11 drives the first ejection column 10 to drive the supporting plate 6 to move upwards, the ejector pin 7 on the supporting plate 6 penetrates through the through hole to eject the stub bar 5 on the male die plate 1, at the moment, the stub bar 5 is separated from a product, and then when the die is opened for the second time, the product is ejected; the guide post 8 plays a role in guiding the support plate 6, and meanwhile, when the support plate 6 moves upwards, the spring 9 is compressed into the groove, and when the mold is closed, the support plate 6 automatically returns to the original position under the action of the elastic force of the spring 9; the structure can separate the injection stub bar 5 from a product when the mould is opened for the first time, and the ejection sequence is controlled by the ejection column according to the particularity of the double-color mould machine table, so that the purpose of automatic falling of the stub bar 5 and smooth automatic production is achieved.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (5)

1. The utility model provides a material head ejection structure is penetrated to two look moulds of medical plastic part which characterized in that: the die comprises a die body, wherein the die body is sequentially provided with a male die plate, an upper ejector plate, a lower ejector plate and a lower fixing plate from top to bottom; the male template is provided with a through hole, the stub bar is arranged on the surface of the male template and positioned above the through hole, the upper ejector plate is provided with a support plate, an ejector pin is fixedly arranged on the support plate, and the through hole and the ejector pin vertically correspond to each other; the support plate is characterized in that a top column is arranged below the support plate, and the support plate can be lifted up and down through the top column.

2. The plastic part bichromal mold and ejection head structure as claimed in claim 1, wherein: the die is characterized in that a guide pillar is arranged on the die body, and the supporting plate is movably sleeved on the guide pillar.

3. The plastic part bichromal mold and ejection head structure as claimed in claim 2, wherein: the guide post is sleeved with a spring, and the spring is located between the male die plate and the supporting plate.

4. The plastic part two-color mold one-shot head ejection structure as claimed in claim 3, wherein: and a groove corresponding to the spring is formed in the lower end face of the male template.

5. The plastic part bichromal mold and ejection head structure as claimed in claim 1, wherein: the support column comprises a first support column and a second support column, the front end of the first support column is connected with the support plate, and the rear end of the first support column is connected with the second support column.

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