CN210336696U

CN210336696U - High-precision die for ejector pin of injector

Info

Publication number: CN210336696U
Application number: CN201920249425.4U
Authority: CN
Inventors: 李庭
Original assignee: Dongguan Shengqi Precision Mould Fittings Co ltd
Current assignee: Dongguan Shengqi Precision Mould Fittings Co ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-04-17
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a high-precision die for an injector thimble, which comprises an upper die, wherein a lower die is arranged below the upper die, upper die holes are formed in two sides of the top end of the upper die, lower die holes are formed in two sides of the top end of the lower die, the upper die holes correspond to the lower die holes, fixed pins are arranged in the upper die holes and pass through the upper die holes and the lower die holes, and the upper die and the lower die are fixed through the fixed pins; go up the shaping in the middle of the mould bottom and press the material piece, be equipped with down the die cavity in the middle of the lower mould top, when last mould bottom touches down the mould top, press the material piece in the die cavity down, go up the mould top and be equipped with the mouth of moulding plastics, the mouth of moulding plastics passes through the pipeline intercommunication with lower die cavity, goes up the mould top and is equipped with the exhaust hole, the exhaust hole passes through the pipeline intercommunication with lower die cavity, the lower mould has the lower bolster, is equipped with in the middle of the lower bolster top and destroys the pinhole, destroys pinhole and.

Description

High-precision die for ejector pin of injector

Technical Field

The utility model relates to a syringe thimble especially relates to a high-precision mould for syringe thimble.

Background

The disposable syringe is a disposable syringe and is made of high polymer polypropylene materials, for example, the Chinese utility model with the application number of 02272673.X is a syringe with a self-destruction structure, when the syringe is used up, a plunger retreats to push a thimble on a pushing plug, and the self-destruction round convex thin cover is burst, so that the syringe can not be recycled after use.

However, when the molding thimble is manufactured on the market at present, the part is small, the mold is not easy to take out, the thimble is often required to be taken out by a tool, and the thimble is inconvenient to take out.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A high-precision die for an ejector pin of an injector comprises an upper die, wherein a lower die is arranged below the upper die, upper die holes are formed in two sides of the top end of the upper die, lower die holes are formed in two sides of the top end of the lower die, the upper die holes correspond to the lower die holes, fixing pins are arranged in the upper die holes and penetrate through the upper die holes and the lower die holes, and the upper die and the lower die are fixed through the fixing pins;

the material piece is pressed in the middle shaping of last mould bottom, be equipped with the lower die cavity in the middle of the lower mould top, when last mould bottom touches the lower die top, press the material piece in the lower die cavity, it is equipped with the mouth of moulding plastics to go up the mould top, the mouth of moulding plastics passes through the pipeline intercommunication with the lower die cavity, it is equipped with the exhaust hole to go up the mould top, the exhaust hole passes through the pipeline intercommunication with the lower die cavity, the lower mould has the lower bolster, be equipped with the destruction pinhole in the middle of the lower bolster top, destroy pinhole and lower mould tank bottom intercommunication, the lower bolster right side is equipped with the fixed plate, the fixed plate bottom is articulated with lower bolster right side lower extreme, the fixed plate right side is equipped with the fixed orifices, when fixed plate left end contact lower mould right-hand member, the fixed orifices corresponds with the fixed orifices.

As a further aspect of the present invention: the lower mould right side is equipped with the lower mould draw-in groove, and the lower mould draw-in groove is in the fixed orifices top, and the fixed plate top is equipped with the fixed plate fixture block, and when the fixed plate left end contacted lower mould right-hand member, the fixed plate fixture block card advances the lower mould draw-in groove.

As a further aspect of the present invention: and a fixing rod is arranged on the right side of the bottom end of the lower template and is hinged with the bottom end of the fixing plate.

As a further aspect of the present invention: and when the bottom end of the lower die contacts the top end of the lower die, the lower die clamping blocks are arranged in the lower die clamping grooves.

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

through lower mould draw-in groove and lower bolster fixture block, can be better place the lower bolster below the lower mould, not let the lower bolster shift.

Through the fixing plate and the fixing screws, the lower die plate can be better fixed below the lower die.

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

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded view of the present invention.

In the figure: 1. the mould comprises an upper mould, 2, an injection molding port, 3, an exhaust hole, 4, an upper mould hole, 5, a fixing pin, 6, a lower mould, 7, a lower mould hole, 8, a material pressing block, 9, a lower mould groove, 10, a lower mould plate, 11, a damage needle hole, 12, a lower mould clamping groove, 13, a fixing plate, 14, a fixing hole, 15, a fixing plate hole, 16, a fixing screw, 17, a fixing plate clamping block, 22, a lower mould plate clamping groove, 23, a lower mould plate clamping block, 24 and a fixing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a high-precision mold for an injector thimble includes an upper mold 1, a lower mold 6 is disposed below the upper mold 1, upper mold holes 4 are disposed on both sides of a top end of the upper mold 1, lower mold holes 7 are disposed on both sides of a top end of the lower mold 6, the upper mold holes 4 correspond to the lower mold holes 7, fixing pins 5 are disposed in the upper mold holes 4, the fixing pins 5 pass through the upper mold holes 4 and the lower mold holes 7, and the upper mold 1 and the lower mold 6 are fixed by the fixing pins 5;

a material pressing block 8 is formed in the middle of the bottom end of the upper die 1, a lower die groove 9 is formed in the middle of the top end of the lower die 6, when the bottom end of the upper die 1 contacts the top end of the lower die 6, the material pressing block 8 is arranged in the lower die groove 9, an injection port 2 is arranged at the top end of the upper die 1, the injection port 2 is communicated with the lower die groove 9 through a pipeline, an exhaust hole 3 is arranged at the top end of the upper die 1, the exhaust hole 3 is communicated with the lower die groove 9 through a pipeline, a lower die plate 10 is arranged below the lower die 6, a destroying pinhole 18 is arranged in the middle of the top end of the lower die plate 10, the destroying pinhole 18 is communicated with the bottom end of the lower die groove 9, a fixing plate 13 is arranged on the right side of the lower die plate 10, the bottom end of the fixing plate 13 is hinged with the lower end of the right side of the lower die plate 10, a fixing plate hole, the fixing screw 16 is screw-engaged with the fixing hole 14.

The right side of the lower die 6 is provided with a lower die clamping groove 12, the lower die clamping groove 12 is arranged above the fixed hole 14, the top end of the fixed plate 13 is provided with a fixed plate clamping block 17, and when the left end of the fixed plate 13 contacts the right end of the lower die 6, the fixed plate clamping block 17 is clamped into the lower die clamping groove 12.

And a fixing rod 24 is arranged on the right side of the bottom end of the lower template 10, and the fixing rod 24 is hinged with the bottom end of the fixing plate 13.

Lower template draw-in grooves 22 are arranged on two sides of the bottom end of the lower template 10, lower template fixture blocks 23 are arranged on two sides of the lower template 10, and when the bottom end of the lower die 6 contacts with the top end of the lower template 10, the lower template fixture blocks 23 are arranged in the lower template draw-in grooves 22.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A high-precision die for an ejector pin of an injector comprises an upper die and is characterized in that a lower die is arranged below the upper die, upper die holes are formed in two sides of the top end of the upper die, lower die holes are formed in two sides of the top end of the lower die, the upper die holes correspond to the lower die holes, fixing pins are arranged in the upper die holes and penetrate through the upper die holes and the lower die holes, and the upper die and the lower die are fixed through the fixing pins;

2. The mold of claim 1, wherein the lower mold has a lower mold engaging groove on a right side thereof, the lower mold engaging groove is above the fixing hole, and the fixing plate has a fixing plate engaging block on a top end thereof, the fixing plate engaging block being engaged with the lower mold engaging groove when a left end of the fixing plate contacts a right end of the lower mold.

3. The high-precision die for the ejector pin of the injector according to claim 1, wherein a fixing rod is arranged on the right side of the bottom end of the lower template and hinged with the bottom end of the fixing plate.

4. The high-precision die for the ejector pin of the injector according to claim 1, wherein lower die plate clamping grooves are formed in two sides of the bottom end of the lower die plate, lower die plate clamping blocks are arranged on two sides of the lower die plate, and when the bottom end of the lower die plate contacts with the top end of the lower die plate, the lower die plate clamping blocks are arranged in the lower die plate clamping grooves.