CN220784725U

CN220784725U - Needle valve type insert

Info

Publication number: CN220784725U
Application number: CN202322084420.XU
Authority: CN
Inventors: 李绘景; 李娟华
Original assignee: Dongguan Soke Hot Runner Technology Co ltd
Current assignee: Dongguan Soke Hot Runner Technology Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-04-16
Anticipated expiration: 2033-08-04

Abstract

The utility model discloses a needle valve type insert, which comprises an insert assembly, wherein the needle valve assembly is movably arranged in the insert assembly, the insert assembly comprises an insert body, a valve hole is formed in the upper end of the insert body, two flow passage holes are formed in two sides of the inner wall of the insert body, a protective sleeve is detachably connected to the side surface of the insert body, a sleeve hole is formed in the upper end of the protective sleeve, and a connecting disc is fixedly connected to the upper end of the insert body. According to the utility model, the insert component is matched with the needle valve component, so that the hot melt adhesive injection molding color changing work can be rapidly performed, the color changing efficiency is improved, and meanwhile, the insert body can be protected, so that the damage is avoided, and the service life is prolonged.

Description

Needle valve type insert

Technical Field

The utility model relates to the technical field of injection mold accessories, in particular to a needle valve type insert.

Background

The mold insert is the irregular mold fitting that plays fixed bolster and filling space effect in being arranged in injection mold, current mold insert is comparatively single because the structure, consequently the complex operation is inconvenient when carrying out the colour change of moulding plastics, consequently can reduce injection molding efficiency, based on this, it is necessary to provide an easy operation, can improve the mold insert of colour change efficiency, in addition, because current mold insert is mostly monolithic structure, consequently direct and hot melt glue contact between filling the space of moulding plastics, thereby lead to the surface to appear the damage easily, thereby influence life, based on this, it is necessary to provide one kind and can play the guard effect, increase of service life's mold insert.

Disclosure of utility model

The present utility model is directed to a needle valve insert to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the needle valve type insert comprises an insert assembly, wherein the needle valve assembly is movably arranged in the insert assembly;

The mold insert subassembly includes the mold insert body, the valve opening has been seted up to the upper end of mold insert body, two runner holes have all been seted up to the inner wall both sides of mold insert body, the side surface of mold insert body can be dismantled and is connected with the lag, the trepanning has been seted up to the upper end of lag, the upper end fixedly connected with connection pad of mold insert body, the spread groove has been seted up to the upper end of lag, the hot runner has been seted up to the lower extreme inside of mold insert body, the needle valve subassembly is including pegging graft in the needle of valve opening inside, the both sides of needle are two lugs of all fixedly connected with.

As a preferable scheme of the utility model, the surfaces of the connecting disc and the connecting groove are provided with a plurality of screw holes, and bolts are connected with the inner parts of the screw holes in a threaded manner.

As a preferable scheme of the utility model, one side of the protective sleeve is fixedly connected with a first flange, and the surface of the first flange is movably connected with a first sealing ring.

As a preferable scheme of the utility model, the lower end of the protective sleeve is fixedly connected with a second flange, the lower end of the second flange is provided with a sealing groove, and a second sealing ring is fixedly arranged in the sealing groove.

As a preferable scheme of the utility model, the insert body is movably inserted into the sleeve hole, and the protruding block is movably clamped into the runner hole.

As a preferable scheme of the utility model, the insert body and the protective sleeve are made of stainless steel, and the lug is made of natural rubber.

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

1. according to the utility model, the arranged insert component is matched with the needle valve component, so that the operation is simple and convenient, and the quick color change is convenient, therefore, the color change efficiency can be improved, when the hot melt adhesive is injected into the hot runner through the first flange, the injection molding work can be carried out by matching with the insert structure, and when the color is changed, the hot melt adhesive with another color is directly injected into the hot runner, at the moment, the valve needle is controlled to be inserted into the valve hole and the convex block is clamped in the runner hole, so that the insert is sealed, the hot melt adhesive in the insert flows out and the hot melt adhesive with the previous color is extruded, and the purpose of quick color change can be achieved;

2. The insert assembly is convenient to detach, so that the service life of the insert can be prolonged, the insert body is inserted into the sleeve hole during use, then the bolt is connected with the protective sleeve through threads, the protective sleeve can protect the insert body during use, damage to the insert body is avoided, the insert body and the protective sleeve can be detached only by taking out the bolt during detachment, and compared with the insert structure in the prior art, the insert assembly structure is convenient to detach and can protect the insert, so that the service life of the insert can be prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a disassembled view of the insert assembly of the present utility model;

FIG. 3 is a disassembled view of the insert assembly of the present utility model;

FIG. 4 is a schematic view of the needle valve assembly of the present utility model.

In the figure: 1. an insert assembly; 11. an insert body; 12. a valve hole; 13. a flow passage hole; 14. a protective sleeve; 15. trepanning; 16. a connecting disc; 17. a connecting groove; 18. a hot runner; 111. a screw hole; 112. a bolt; 121. a first flange; 122. a first seal ring; 131. a second flange; 132. sealing grooves; 133. a second seal ring; 2. a needle valve assembly; 21. a valve needle; 22. and a bump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, the present utility model provides a technical solution: the needle valve type insert comprises an insert assembly 1, wherein a needle valve assembly 2 is movably arranged in the insert assembly 1;

The mold insert subassembly 1 includes mold insert body 11, valve opening 12 has been seted up to the upper end of mold insert body 11, two runner holes 13 have all been seted up to the inner wall both sides of mold insert body 11, the side surface of mold insert body 11 is detachably connected with lag 14, trepanning 15 has been seted up to the upper end of lag 14, the upper end fixedly connected with connection pad 16 of mold insert body 11, connecting groove 17 has been seted up to the upper end of lag 14, hot runner 18 has been seted up to the lower extreme inside of mold insert body 11, needle valve subassembly 2 is including pegging graft in the inside needle 21 of valve opening 12, the both sides of needle 21 all fixedly connected with two lugs 22.

Specifically, the hot melt adhesive injection molding color changing work can be rapidly performed through the insert assembly 1 and the needle valve assembly 2, color changing efficiency is improved, meanwhile, the insert body 11 can be protected, damage is avoided, the service life can be prolonged, when the hot melt adhesive injection molding is performed through the first flange 121 in the hot runner 18, the injection molding work can be completed through the second flange 131, the hot melt adhesive of another color is directly injected into the hot runner 18 in color changing, then the valve needle 21 is inserted into the valve hole 12, the protruding block 22 is clamped in the runner hole 13, the valve hole 12 can be sealed, the hot melt adhesive can flow out and be extruded out of the hot melt adhesive of the previous color, the color changing work can be completed, the insert body 11 can be protected through the protecting sleeve 14 in use, damage is avoided in use, and the service life is prolonged.

In this embodiment: the surfaces of the connecting disc 16 and the connecting groove 17 are respectively provided with a plurality of screw holes 111, and bolts 112 are respectively connected with the inner parts of the screw holes 111 in a threaded manner.

Specifically, the insert body 11 and the protection sleeve 14 can be fixed and detached easily by screwing the bolts 112 inside the screw holes 111.

In this embodiment: one side of the protective sleeve 14 is fixedly connected with a first flange 121, and the surface of the first flange 121 is movably connected with a first sealing ring 122.

Specifically, the first flange 121 is matched with the first sealing ring 122, so that hot melt adhesive injection molding can be conveniently performed, and meanwhile, the tightness in the injection molding process can be ensured.

In this embodiment: the lower extreme fixedly connected with second flange 131 of lag 14, seal groove 132 has been seted up to the lower extreme of second flange 131, and the inside fixed mounting of seal groove 132 has second sealing washer 133.

Specifically, the second flange 131 is matched with the second sealing ring 133, so that hot melt adhesive can be conveniently led out, the sealing performance can be enhanced, and leakage of the hot melt adhesive is avoided.

In this embodiment: the insert body 11 is movably inserted into the sleeve hole 15, and the protruding block 22 is movably clamped into the runner hole 13.

Specifically, insert body 11 can be preliminarily fixed with lag 14 through pegging graft insert body 11 in trepanning 15 inside, peg graft in runner hole 13 through lug 22 can seal valve hole 12 through needle 21 cooperation lug 22, and then be convenient for trade the look work.

In this embodiment: the insert body 11 and the protective sleeve 14 are made of stainless steel, and the bump 22 is made of natural rubber.

Specifically, the stainless steel insert body 11 and the protective sleeve 14 not only can enhance the strength of the insert body, but also can avoid rusting, so that the purpose of prolonging the service life can be achieved, and the natural rubber bump 22 can be tightly attached to the runner hole 13, so that the sealing performance can be enhanced.

Working principle: when the hot melt adhesive injection molding device is used, hot melt adhesive is injected into the hot runner 18 through the first flange 121, injection molding can be performed by matching with the second flange 131, hot melt adhesive of another color is directly injected into the hot runner 18 when color changing is performed, then the valve needle 21 is inserted into the valve hole 12, meanwhile, the convex block 22 is clamped in the runner hole 13, so that the insert body 11 can be sealed, at the moment, the hot melt adhesive flows out and is extruded out of the hot melt adhesive of the previous color, quick color changing can be further performed, the color changing work of the hot melt adhesive can be quickly completed through the mutual matching of the structures, therefore, the color changing efficiency can be improved, the insert body 11 can be protected through the protective sleeve 14 when the hot melt adhesive injection molding device is used, damage to the insert body 11 is avoided, the service life can be prolonged, and meanwhile, the bolt 112 can be taken out from the inside the screw hole 111 when the hot melt adhesive injection molding device is disassembled, so that convenience can be provided for replacement and use of inserts.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Needle valve insert, comprising an insert assembly (1), characterized in that: a needle valve assembly (2) is movably arranged in the insert assembly (1);

The novel mold insert is characterized in that the mold insert assembly (1) comprises an insert body (11), a valve hole (12) is formed in the upper end of the insert body (11), two runner holes (13) are formed in two sides of the inner wall of the insert body (11), a protective sleeve (14) is detachably connected to the side surface of the insert body (11), a sleeve hole (15) is formed in the upper end of the protective sleeve (14), a connecting disc (16) is fixedly connected to the upper end of the insert body (11), a connecting groove (17) is formed in the upper end of the protective sleeve (14), a hot runner (18) is formed in the lower end of the insert body (11), the needle valve assembly (2) comprises a needle valve (21) inserted into the valve hole (12), and two lugs (22) are fixedly connected to two sides of the needle valve needle (21).

2. A needle valve insert according to claim 1, wherein: the surface of the connecting disc (16) and the surface of the connecting groove (17) are respectively provided with a plurality of screw holes (111), and the interiors of the screw holes (111) are respectively connected with bolts (112) in a threaded manner.

3. A needle valve insert according to claim 1, wherein: one side of the protective sleeve (14) is fixedly connected with a first flange (121), and the surface of the first flange (121) is movably connected with a first sealing ring (122).

4. A needle valve insert according to claim 1, wherein: the lower extreme fixedly connected with second flange (131) of lag (14), seal groove (132) have been seted up to the lower extreme of second flange (131), the inside fixed mounting of seal groove (132) has second sealing washer (133).

5. A needle valve insert according to claim 1, wherein: the insert body (11) is movably inserted into the sleeve hole (15), and the protruding block (22) is movably clamped into the runner hole (13).

6. A needle valve insert according to claim 1, wherein: the insert body (11) and the protective sleeve (14) are made of stainless steel, and the protruding block (22) is made of natural rubber.