CN218928497U

CN218928497U - Injection mold of puncture core

Info

Publication number: CN218928497U
Application number: CN202223497166.8U
Authority: CN
Inventors: 马猛
Original assignee: Medley Suzhou Medical Technology Co ltd
Current assignee: Medley Suzhou Medical Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-28
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to an injection mold of a puncture core, which comprises a mold core, wherein a molding cavity is arranged in the mold core, an insert is arranged in the molding cavity, the insert comprises a mounting block and a rod piece, the mounting block is arranged in a containing cavity at one side of the molding cavity, one end of the rod piece is connected with the mounting block, the other end of the rod piece is arranged in the molding cavity, a first ejector rod is arranged below the containing cavity, a second ejector rod is arranged below the molding cavity, the first ejector rod and the second ejector rod are arranged in parallel, an inclined plane is arranged at the corner of the mounting block, and the inclined plane extends from the top of the mounting block to the bottom. The injection mold for the puncture core can eject a product out of a molding cavity from bottom to top, has more strokes, can facilitate the insert to be separated from the mold, can be demolded after being pulled out, does not need a core pulling mechanism such as an oil cylinder, and has a simple structure, and the size of the mold is effectively reduced.

Description

Injection mold of puncture core

Technical Field

The utility model relates to the technical field of puncture core processing of puncture outfits, in particular to an injection mold of a puncture core.

Background

The disposable laparoscope puncture outfit consists of a puncture cannula and a puncture core, wherein the puncture core is mainly used for penetrating through the abdominal wall along with the puncture outfit cannula, and the puncture cannula is left on the abdominal wall. The main task of the puncture cannula is to allow various surgical instruments to enter the abdominal cavity, so that a doctor can perform surgical operation to complete the surgical task. The puncture core is usually injection molded, for example, a disposable medical puncture device mold disclosed in patent publication No. CN214872290U is molded by a vertical molding mechanism, but the puncture core is long, so that the height of the mold is high and the mold opening stroke is long. In addition, the side core pulling mode of the oil cylinder is adopted for demolding, the oil cylinder needs a long stroke, the die is large in size, and a large space is occupied.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides the injection mold of the puncture core, which has the advantages of shorter demolding stroke, smaller mold volume and convenience in demolding.

The specific technical scheme is as follows: the utility model provides an injection mold of puncture core, includes the mold core, is equipped with the shaping chamber in the mold core, is equipped with the mold insert in the shaping chamber, the mold insert includes installation piece and member, the installation piece sets up the intracavity that holds in shaping chamber one side, and member one end is connected with the installation piece, and the other end sets up in the shaping intracavity, it is equipped with first ejector pin to hold the chamber below, shaping chamber below is equipped with the second ejector pin, first ejector pin and second ejector pin parallel arrangement, the bight of installation piece is equipped with the inclined plane, and the inclined plane extends to the bottom by the installation piece top.

As a preferable technical scheme, the bottom of the mounting block is provided with a guide inclined plane.

As a preferable technical scheme, the mounting block comprises a first block body and a second block body, and the first block body and the second block body are assembled through screws.

As the preferable technical scheme, a positioning groove is formed in the first block body, and the first end part of the rod piece is arranged in the positioning groove.

As a preferable technical scheme, the first end part of the rod piece is provided with a flat part, and the flat part is positioned in the positioning groove.

As the preferable technical scheme, the bottom of the first block body is provided with a matching hole, and the first ejector rod is inserted into the matching hole.

As the preferable technical scheme, a runner is arranged in the mold core and is provided with a first outlet and a second outlet, and the first outlet and the second outlet are respectively positioned at two ends of the rod piece.

As a preferred technical scheme, the rod piece is horizontally arranged.

The utility model has the technical effects that: the injection mold for the puncture core can eject a product out of a molding cavity from bottom to top, has more strokes, can facilitate the insert to be separated from the mold, can be demolded after being pulled out, does not need a core pulling mechanism such as an oil cylinder, and has a simple structure, and the size of the mold is effectively reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of an injection mold for a piercing core according to an embodiment of the present utility model.

Fig. 2 is another schematic view of an injection mold for a piercing core according to an embodiment of the utility model.

Fig. 3 is a schematic view of a mounting base according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a molding cavity of an embodiment of the present utility model.

Fig. 5 is a schematic view of a lever according to an embodiment of the present utility model.

Fig. 6 is a schematic view of a first block of an embodiment of the utility model.

Fig. 7 is a schematic view of a second block of an embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

As shown in fig. 1 to 7, an injection mold for a puncture core according to the present embodiment includes a mold core 1, a molding cavity 2 is provided in the mold core 1, and the puncture core is molded in the molding cavity 2. An insert 3 is arranged in the forming cavity 2, the insert 3 comprises a mounting block 4 and a rod piece 5, and the mounting block 4 is arranged in a containing cavity 6 at one side of the forming cavity 2. One end of the rod piece 5 is connected with the mounting block 4, and the other end is arranged in the forming cavity 2. The lower part of the accommodating cavity 6 is provided with a first ejector rod 7, the lower part of the forming cavity 2 is provided with a second ejector rod 8, and the first ejector rod 7 and the second ejector rod 8 are arranged in parallel. The corners of the mounting block 4 are provided with inclined surfaces 41, the inclined surfaces 41 extending from the top to the bottom of the mounting block. In the above technical scheme, the product 10 is formed in the forming cavity, when demolding is needed, the first ejector rod and the second ejector rod are synchronously moved upwards, the mounting block 4 and the product wrapped on the rod piece 5 are jacked up from the forming cavity 2, a worker holds the mounting block 4 and the product, and the rod piece 5 is pulled out from the product, so that demolding is completed. The insert 3 after demolding can be put into a mold for further use. By providing the inclined surface 41, the detachment of the mounting block 4 from the accommodation chamber 6 can be facilitated. Through the technical scheme, the product demolding can be facilitated. The length of the rod in this example is 160mm and the length of the product is 150mm.

In this embodiment, a guiding inclined surface 44 is provided at the bottom of the mounting block 4, so as to facilitate the placement of the mounting block 4 into the accommodating cavity 6. The mounting block 4 comprises a first block 42 and a second block 43, and the first block 42 and the second block 43 are assembled by a screw 45, so that the mounting block 4 is assembled into a whole. The first block 42 is provided with a positioning groove 421, and the first end 51 of the rod 5 is disposed in the positioning groove 421, so that the rod is fixed on the mounting block. The first end 51 of the rod 5 has a flat portion 52, and the flat portion 52 is located in the positioning groove 421, so that positioning is facilitated. The bottom of the first block 42 is provided with a matching hole 422, and the first ejector rod 7 is inserted into the matching hole 422, so that the first ejector rod 7 can jack up the mounting block 4.

In this embodiment, the mold core 1 is provided with a runner 8, the runner 8 has a first outlet 81 and a second outlet 82, and the first outlet 81 and the second outlet 82 are respectively located at two ends of the rod 5, so that the two ends of the rod can be encapsulated synchronously. The rod piece 5 is horizontally arranged, so that the product is conveniently drawn out.

The injection mold of puncture core of this embodiment can be with the product from bottom to top ejecting into the die cavity, and the stroke is more, and can make things convenient for the mold insert to break away from the mould, and the drawing of patterns can be taken out to the mold insert, need not core pulling mechanism such as hydro-cylinder, and the structure is simpler, effectively reduces the mould size.

Although the injection mold for a puncture core according to the present utility model has been described above, the present utility model is not limited to the above-described specific embodiment, and various modifications and changes may be made without departing from the scope of the claims. The present utility model includes various modifications and alterations within the scope of the claims.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides an injection mold of puncture core, includes the mold core, is equipped with the shaping chamber in the mold core, and its characterized in that is equipped with the mold insert in the shaping chamber, the mold insert includes installation piece and member, the installation piece sets up in the holding intracavity of shaping chamber one side, and member one end is connected with the installation piece, and the other end sets up in the shaping intracavity, holding the chamber below and being equipped with first ejector pin, shaping chamber below is equipped with the second ejector pin, first ejector pin and second ejector pin parallel arrangement, the bight of installation piece is equipped with the inclined plane, and the inclined plane extends to the bottom by the installation piece top.

2. The injection mold of a puncture core according to claim 1, characterized in that the bottom of the mounting block is provided with a guiding bevel.

3. The injection mold of a penetration core of claim 2, wherein the mounting block comprises a first block and a second block, the first block and the second block being assembled by a screw.

4. The injection mold of a puncture core according to claim 3, wherein a positioning groove is provided in the first block, and the first end of the rod is provided in the positioning groove.

5. The injection mold of a puncture core of claim 4, wherein the first end of the rod has a flat portion that is positioned in the positioning groove.

6. The injection mold of a puncture core according to claim 5, wherein the first block bottom is provided with a mating hole, and the first ejector pin is inserted in the mating hole.

7. The injection mold of a puncture core according to claim 1, wherein a runner is provided in the mold core, the runner having a first outlet and a second outlet, the first outlet and the second outlet being located at two ends of the rod, respectively.

8. The injection mold of a puncture core of claim 7, wherein the rod is disposed horizontally.