CN215703699U

CN215703699U - Injection mold of rubber tube sealing cover and rubber tube sealing cover

Info

Publication number: CN215703699U
Application number: CN202121872423.4U
Authority: CN
Inventors: 王瑞庭
Original assignee: Anhui An'ergu New Material Co ltd
Current assignee: Anhui An'ergu New Material Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-01
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an injection mold of a rubber tube sealing cover and the rubber tube sealing cover, wherein the injection mold comprises a fixed mold base and a movable mold, a sprue bush is arranged in the middle of the fixed mold base, a sprue is arranged in the sprue bush, an injection molding cavity is formed in the middle of the lower end of the fixed mold base and the middle of the upper end of the movable mold, the sprue is communicated with the injection molding cavity, a cooling channel is arranged in the movable mold around the periphery of the injection molding cavity, an inlet and an outlet communicated with the cooling channel are formed in the side wall of the movable mold, three annular injection molding grooves are formed in the surface of the upper end of the movable mold, the injection molding cavity comprises an annular injection molding groove and a cavity, and a threaded cavity is formed in the inner side of the cavity. The utility model is provided with an annular injection molding groove and a cavity to form a rubber tube sealing cover, a cooling channel is arranged around the periphery of an injection molding cavity, and a cooling source is introduced into the cooling channel by utilizing an inlet arranged on the side wall of a movable mold, so that the cooling molding time of the sealing cover is shortened, and the phenomena of wire drawing and the like are avoided.

Description

Injection mold of rubber tube sealing cover and rubber tube sealing cover

Technical Field

The utility model relates to the technical field of packaging containers, in particular to an injection mold of a rubber tube sealing cover and the rubber tube sealing cover.

Background

The bi-component rubber tube is mainly used for packaging and storing bi-component adhesive materials, is matched with an AB glue gun for use, and can be matched with the AB glue gun and an XT-1/2 bayonet series static mixing tube to achieve the purpose of mixing the glue and carrying out small-amount dropping, scribing and other dispensing process operations.

Most of the current bi-component hoses are composed of a piston, a bottle body and a front cover assembled with the bottle body through threads. The existing double-component rubber hose on the market is mostly 1: 1. 2: 1 or 4: 1, the size difference of the two rubber tubes is not large, the outlets of the two rubber tubes are connected with the same adhesive outlet, and the outlets of the two rubber tubes in the prior art are respectively positioned at two sides of the adhesive outlet, but are not suitable for adhesive materials with large component distribution. And for the two-component adhesive material with larger component distribution, the dosage of one component needs to be lower, and in order to improve the uniformity of component mixing during glue injection, a double-layer adhesive outlet structure arranged concentrically is designed, as shown in the attached drawing. For the double-layer adhesive outlet structure, a matched rubber tube sealing cover is needed to seal the double-layer adhesive outlet structure.

Therefore, the injection mold is designed for injection molding of the rubber tube sealing cover, machining and forming of the rubber tube sealing cover are facilitated, cooling time is shortened, and phenomena such as wire drawing are avoided.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an object of the present invention is to provide an injection mold for a rubber tube sealing cover, which facilitates the processing and forming of the sealing cover, shortens the cooling time, and avoids the occurrence of the phenomena of wire drawing and the like.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an injection mold of sealed lid of rubber tube, includes cover half base, movable mould, the middle part of cover half base is equipped with the runner cover, the inside runner that is equipped with of runner cover, the lower extreme middle part of cover half base and the upper end middle part of movable mould form the cavity of moulding plastics, the runner is linked together with the cavity of moulding plastics wind in the movable mould the periphery of the cavity of moulding plastics is provided with cooling channel set up on the lateral wall of movable mould with import, the export that cooling channel is linked together the upper end surface of movable mould is provided with the three rings and moulds plastics the groove, the cavity of moulding plastics includes the groove and die cavity are moulded plastics to the ring, the inboard of die cavity is provided with the screw thread chamber.

Furthermore, the periphery of the fixed die base is provided with a fixed limiting hole, the periphery of the movable die is provided with a limiting pin matched with the limiting hole, and the bottom end of the limiting pin is fixed on the upper surface of the movable die base below the movable die base.

Furthermore, a positioning hole is formed in the center of the bottom end of the movable die, a positioning pin is arranged between the positioning hole and the base of the movable die, and telescopic columns are arranged on two sides of the positioning pin.

Further, a cooling source is introduced into the cooling channel through the inlet.

Another object of the present invention is to provide a rubber tube sealing cover obtained by using the injection mold, wherein an inner thread is formed on an inner wall of the rubber tube sealing cover, and a first annular protrusion, a second annular protrusion and a third annular protrusion are formed at a bottom of the rubber tube sealing cover.

Furthermore, after the rubber tube sealing cover is in threaded connection with the rubber tube outlet, the first annular bulge, the second annular bulge and the third annular bulge extend into the rubber tube outlet to form sealing.

Compared with the prior art, the utility model has the following advantages:

1. the injection mold is provided with the annular injection groove and the cavity to form the rubber tube sealing cover with an annular sealing structure, the periphery of the injection cavity is provided with the cooling channel, and the cooling channel is introduced with a cooling source by utilizing an inlet arranged on the side wall of the movable mold, so that the cooling forming time of the sealing cover is shortened, and the phenomena of wire drawing and the like are avoided.

2. The sealing effect of the sealing cover on an adhesive outlet is improved through the sealing structure formed by the first annular bulge, the second annular bulge and the third annular bulge arranged at the bottom of the rubber tube sealing cover.

Drawings

FIG. 1 is a schematic perspective view of an injection mold for a rubber tube sealing cover according to the present invention;

FIG. 2 is a schematic sectional view of an injection mold for a rubber tube sealing cover according to the present invention;

FIG. 3 is a schematic structural diagram of the movable mold shown in FIG. 1;

FIG. 4 is a schematic structural view of a rubber tube sealing cover according to the present invention;

fig. 5 is a schematic diagram of a double-layer adhesive outlet structure at the top of a rubber tube in the background art.

The injection molding device comprises a fixed mold base 1, a movable mold 2, a sprue bush 3, a sprue 4, an injection molding cavity 5, a positioning limiting hole 6, a limiting pin 7, a movable mold base 8, a positioning hole 201, a positioning pin 202, a telescopic column 203, a cooling channel 501, an inlet 502, an outlet 503, an annular injection molding groove 504, a cavity 505, a threaded cavity 506, internal threads 101, a first annular bulge 102, a second annular bulge 103 and a third annular bulge 104; a first outlet A and a second outlet B.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1, 2 and 3, an injection mold of rubber tube sealing cover, includes cover half base 1, movable mould 2, the middle part of cover half base 1 is equipped with runner cover 3, the inside runner 4 that is equipped with of runner cover 3, the lower extreme middle part of cover half base 1 and the upper end middle part of movable mould 2 form injection moulding cavity 5, runner 4 is linked together with injection moulding cavity 5 wind in the movable mould 2 the periphery of injection moulding cavity 5 is provided with cooling channel 501 seted up on the lateral wall of movable mould 2 with import 502, export 503 that cooling channel 501 is linked together the upper end surface of movable mould 2 is provided with three rings and moulds plastics groove 504, injection moulding cavity 5 includes ring injection moulding groove 504 and die cavity 505, the inboard of die cavity 505 is provided with threaded cavity 506.

The injection mold is provided with an annular injection groove 504 and a cavity 505 to form a rubber tube sealing cover with an annular sealing structure, a cooling channel 501 is arranged around the periphery of the injection cavity 5, and an inlet 502 arranged on the side wall of the movable mold 2 is used for introducing a cooling source into the cooling channel 501, so that the cooling forming time of the sealing cover is shortened, and the phenomena of wire drawing and the like are avoided.

As shown in fig. 1, in one embodiment of the present invention:

the fixed die base is characterized in that limiting holes 6 are formed in the periphery of the fixed die base 1, limiting pins 7 matched with the limiting holes 6 are arranged on the periphery of the movable die 2, and the bottom ends of the limiting pins 7 are fixed on the upper surface of a movable die base 8 below.

The cooperation of spacing hole 6 and spacer pin 7 avoids the offset between cover half base 1 and the movable mould 2, guarantees the straightness that hangs down between the two, improves the high uniformity of sealed lid behind the injection moulding.

As shown in fig. 2, in the present embodiment:

a positioning hole 201 is formed in the center of the bottom end of the movable mold 2, a positioning pin 202 is arranged between the positioning hole 201 and the movable mold base 8, and telescopic columns 203 are arranged on two sides of the positioning pin 202.

The levelness of the fixed die base 1 and the movable die 2 during die assembly and injection molding is realized through the telescopic column 203 and the positioning pin 202, the thickness consistency of the cover body of the sealing cover is ensured, and the demoulding of the fixed die base 1 and the movable die 2 is facilitated.

Example 2

As shown in fig. 4, in a rubber tube sealing cover obtained by using the injection mold, an inner thread 101 is formed on the inner wall of the rubber tube sealing cover, and a first annular protrusion 102, a second annular protrusion 103 and a third annular protrusion 104 are formed on the bottom of the rubber tube sealing cover.

After the rubber tube sealing cover is in threaded connection with the rubber tube outlet, the first annular bulge 102, the second annular bulge 103 and the third annular bulge 104 extend into the rubber tube outlet to form sealing.

The sealing effect of the sealing cover on an adhesive outlet is improved through a sealing structure formed by a first annular bulge 102, a second annular bulge 103 and a third annular bulge 104 which are arranged at the bottom of the rubber tube sealing cover.

The double-layer adhesive outlet structure at the top of the rubber tube is characterized in that a second outlet B which is arranged in a concentric circle mode is arranged in the middle of a first outlet A of adhesive, after a rubber tube sealing cover is in threaded connection with a rubber tube outlet, the top end of the second outlet B of the adhesive is embedded into an annular gap between a second annular bulge 103 and a third annular bulge 104, and the top of the first outlet A is located in an annular space between a first annular bulge 102 and a second annular bulge 103, so that the outlet at the top of the rubber tube is sealed.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an injection mold of sealed lid of rubber tube, includes cover half base (1), movable mould (2), its characterized in that: the middle part of cover half base (1) is equipped with runner cover (3), runner cover (3) inside is equipped with runner (4), the lower extreme middle part of cover half base (1) and the upper end middle part of movable mould (2) form injection moulding cavity (5), runner (4) are linked together with injection moulding cavity (5) wind in movable mould (2) the periphery of injection moulding cavity (5) is provided with cooling channel (501) seted up on the lateral wall of movable mould (2) with import (502), export (503) that cooling channel (501) are linked together the upper end surface of movable mould (2) is provided with three rings and moulds plastics groove (504), it includes to mould plastics cavity (5) ring injection moulding groove (504) and die cavity (505), the inboard of die cavity (505) is provided with screw thread cavity (506).

2. An injection mold for a rubber tube sealing cover according to claim 1, characterized in that a limiting hole (6) is arranged around the fixed mold base (1), a limiting pin (7) adapted to the limiting hole (6) is arranged around the movable mold (2), and the bottom end of the limiting pin (7) is fixed on the upper surface of the movable mold base (8) below.

3. The injection mold of the rubber tube sealing cover according to claim 2, characterized in that a positioning hole (201) is arranged at the center of the bottom end of the movable mold (2), a positioning pin (202) is arranged between the positioning hole (201) and the movable mold base (8), and telescopic columns (203) are arranged at two sides of the positioning pin (202).

4. An injection mold for a rubber tube sealing cover according to claim 1, characterized in that a cooling source is introduced into the cooling channel (501) through the inlet (502).

5. A hose sealing cover obtained by using an injection mold according to claim 1, wherein an internal thread (101) is formed on an inner wall of the hose sealing cover, and a first annular projection (102), a second annular projection (103), and a third annular projection (104) are formed on a bottom of the hose sealing cover.

6. The rubber tube sealing cover according to claim 5, wherein after the rubber tube sealing cover is in threaded connection with a rubber tube outlet, the first annular bulge (102), the second annular bulge (103) and the third annular bulge (104) extend into the rubber tube outlet to form a seal.