CN220808351U

CN220808351U - Micro-hole needle tube mould structure

Info

Publication number: CN220808351U
Application number: CN202322440227.5U
Authority: CN
Inventors: 易灵洲; 唐旭东
Original assignee: Shanghai Yile Plastics & Mould Technology Co ltd
Current assignee: Shanghai Yile Plastics & Mould Technology Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-19
Anticipated expiration: 2033-09-08

Abstract

The utility model provides a micro-hole needle tube mould structure, which relates to the field of needle tube moulds and comprises a main runner, a sub-runner, a feed inlet, guide needles, mould cavities and guide posts on a lower plate block, wherein the mould structure is provided with two pairs of sub-runners and feed inlets, two mould cavities are also arranged, the guide needles are arranged on the upper plate block, the guide posts are arranged on the lower plate block, and cylindrical holes matched with the guide needles are arranged at the tops of the guide posts.

Description

Micro-hole needle tube mould structure

Technical Field

The utility model relates to a mold structure, in particular to a micro-hole needle tube mold structure.

Background

Patent document CN214926549U discloses a medical injection needle tube forming die, which comprises a fixed die and a movable die which moves up and down relative to the fixed die, wherein a fixed die core is detachably connected to the fixed die, a movable die core is detachably connected to the movable die, the movable die core on the movable die and the fixed die core on the fixed die form a die cavity when being combined together, the bottom of the die cavity is provided with a demoulding mechanism, and the demoulding mechanism is fixedly connected to the fixed die; in practical application, the movable mold core and the movable mold are detachably connected, and the fixed mold core and the fixed mold are detachably connected, so that the mold is quickly replaced for injection molding, the mass production time is saved, and the production investment and the production cost are reduced; the medical injection needle tube after being molded is ejected out through the demolding mechanism, so that demolding is more convenient; the utility model can quickly replace the injection mold, saves mass production time, reduces production investment and production cost, and is more convenient to demold.

However, the die adopts one die and one cavity, the production efficiency is low, and the adoption of a single flow dividing channel easily causes flash, influences the quality of products and increases the production cost.

Therefore, there is a need for structural optimization of such needle cannula forming molds to overcome the above-described deficiencies.

Disclosure of utility model

The utility model aims to provide a micro-hole needle tube mould structure.

The utility model adopts the technical proposal for solving the technical problems that:

The utility model provides a micro-hole needle tube mould structure, includes upper plate and lower plate, is equipped with sprue, branch runner, feed inlet, guide pin and die cavity on the upper plate, and the lower plate is equipped with the guide post, its characterized in that, sprue is connected with the branch runner, and the branch runner is connected with the feed inlet, and the feed inlet is connected with the die cavity, and the product passes through the feed inlet by the branch runner on the sprue and gets into in the die cavity, and the guide pin is connected with the guide post for increase stability.

In one embodiment of the utility model, the upper plate is connected to the lower plate, and the bottom of the upper plate is directly connected to the top of the lower plate.

In one embodiment of the utility model, the main runner is arranged on top of the upper plate, and the main runner is connected with the shunt runner.

In one embodiment of the utility model, the flow dividing channels are provided with two pairs, the top of the flow dividing channels are connected with the bottom of the main flow channel, and the bottom of the flow dividing channels are connected with the feed inlet.

In one embodiment of the utility model, two pairs of feed inlets are arranged, the feed inlets are respectively arranged at the bottoms of the sub-runners, and the feed inlets are connected with the bottoms of the cavities and are used for connecting the sub-runners with the cavities.

In one embodiment of the utility model, the upper plate is provided with a pair of cavities which are symmetrically arranged.

In one embodiment of the utility model, the guide pins are provided in a pair, the guide pins being placed downward and the guide pins being provided at the bottom of the upper plate.

In one embodiment of the utility model, the guide posts are provided with a pair, the guide posts are arranged at the top of the lower plate, and the top of the guide posts is provided with a round hole which can be matched with the guide needle.

The utility model has the advantages that:

This micropore needle tubing mould structure comprises sprue, subchannel, feed inlet, guide pin, die cavity on upper plate and the guide post on the lower plate, and this mould structure has set up two pairs of runners and feed inlet, has still set up two die cavities, has set up the guide pin on the upper plate simultaneously, has set up the guide post on the lower plate, has set up simultaneously at the top of guide post with guide pin matched with cylinder hole, has solved the overlap phenomenon that appears when production, has increased stability simultaneously, but mass production, when having reduced manufacturing cost, has also reduced the manual work.

Drawings

Fig. 1 is a schematic structural view of a micro-hole needle tube mold structure proposed by the present utility model.

Number labels: upper plate 110, main runner 210, split runner 310, feed inlet 410, guide pin 510, cavity 610, lower plate 710, guide post 810

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

As shown in fig. 1, the micro-hole needle tube mold structure provided by the utility model comprises an upper plate 110 and a lower plate, wherein a main runner 210, a split runner 310, a feeding hole 410, a guide needle 510 and a cavity 610 are arranged on the upper plate, and a guide column 810 is arranged on the lower plate.

In this embodiment, the upper plate is connected to the lower plate, and the bottom of the upper plate is directly connected to the top of the lower plate.

In this embodiment, the main runner is disposed on top of the upper plate, and the main runner is connected to the shunt runner.

In this embodiment, two pairs of the flow dividing channels are provided, the top of the flow dividing channel is connected with the bottom of the main flow channel, and the bottom of the flow dividing channel is connected with the feed inlet.

In this embodiment, two pairs of feed inlets are provided, and the feed inlets are respectively arranged at the bottoms of the sub-runners, and meanwhile, the feed inlets are connected with the bottoms of the cavities and are used for connecting the sub-runners with the cavities.

In this embodiment, the upper plate is provided with a pair of cavities, and the cavities are symmetrically arranged.

In this embodiment, a pair of guide pins are provided, which are disposed downward, and which are provided at the bottom of the upper plate.

In this embodiment, the guide post is equipped with a pair of, and this guide post sets up at the top of lower plate, and the top of guide post is provided with a round hole that can cooperate with the guide pin, and this structure is changed present inserting through structure from original inserting and touching the structure, greatly increased the stability of mould.

In the description of the present utility model, it should be noted that, when terms such as "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships, are to be understood as being based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships conventionally put in use of the inventive product, or the orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be 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 the like, when used herein, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "mounted," "configured," and "connected" are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims

1. The utility model provides a micro-hole needle tube mould structure, includes upper plate and lower plate, is equipped with sprue, branch runner, feed inlet, guide pin and die cavity on the upper plate, and the lower plate is equipped with the guide post, its characterized in that, sprue is connected with the branch runner, and the branch runner is connected with the feed inlet, and the feed inlet is connected with the die cavity, and the product passes through the feed inlet by the branch runner on the sprue and gets into in the die cavity, and the guide pin is connected with the guide post for increase stability.

2. The micro-hole needle tube mold structure according to claim 1, wherein the upper plate is connected to the lower plate, and the bottom of the upper plate is directly connected to the top of the lower plate.

3. The micro-hole needle tube mold structure according to claim 1, wherein the main runner is provided at the top of the upper plate, and the main runner is connected with the split runner.

4. The micro-hole needle tube mold structure according to claim 1, wherein two pairs of the flow dividing channels are arranged, the top of each flow dividing channel is connected with the bottom of the main flow channel, and the bottom of each flow dividing channel is connected with the feed inlet.

5. The micro-hole needle tube mold structure according to claim 1, wherein two pairs of feeding holes are arranged, the feeding holes are respectively arranged at the bottoms of the sub-runners, and the feeding holes are connected with the bottoms of the mold cavities and are used for connecting the sub-runners with the mold cavities.

6. The micro-hole needle tube mold structure according to claim 1, wherein the upper plate is provided with a pair of cavities, and the cavities are symmetrically arranged.

7. A micro-hole needle tube mold structure according to claim 1, wherein the guide pins are provided in a pair, the guide pins are disposed downward, and the guide pins are disposed at the bottom of the upper plate.

8. The micro-hole needle tube mold structure according to claim 1, wherein the guide posts are provided with a pair, the guide posts are arranged at the top of the lower plate, and a round hole which can be matched with the guide needle is arranged at the top of the guide posts.