CN211467329U

CN211467329U - Novel valve needle structure

Info

Publication number: CN211467329U
Application number: CN201921823270.7U
Authority: CN
Inventors: 赵昌银; 赵勇
Original assignee: Ningbo Yasheng Hot Runner Mould Co ltd
Current assignee: Ningbo Yasheng Hot Runner Mould Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-09-11
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a novel needle structure, including the needle body, the needle body comprises first valve needle bar and second valve needle bar, the one end fixed connection of the round platform section of first valve needle bar and second valve needle bar that are equipped with is passed through to the one end of first valve needle bar, and the other end of second valve needle bar is fixed and is equipped with the needle head, and the fixed arc portion that is equipped with of one end of needle head, the fixed spacing collar that is equipped with of one end of first valve needle bar, the beneficial effects of the utility model are that through the arc portion that is equipped with, can improve the product face and seal the gluey effect, more pleasing to the eye and more ideal, through spliced pole and the external screw thread that is equipped with, be convenient for install the needle body fast, convenient to use, through the strengthening groove that is equipped with, friction line and carbide casting forms the needle body, improves.

Description

Novel valve needle structure

Technical Field

The utility model relates to a needle structure, in particular to novel needle structure.

Background

In the technical field of hot runners, the valve needle type hot runner is widely applied to the advantages of material saving, attractive surface of a plastic part, tight internal quality, high strength and the like. With the continuous development of hot runner technology, valve pin type hot runner systems have been widely used in injection molding processes. The cylinder is used as a key component of the valve needle type hot runner system, and the optimal design of the structure directly influences the use effect of the hot runner system and the manufacturing cost of the hot runner system.

At present, the known hot runner valve needle has a key relation with a product surface, the head surface of the valve needle is flat in the prior art, the product surface is not good, the service life of the existing valve needle is short, the valve needle needs to be replaced frequently, and the use is inconvenient, so that a novel valve needle structure is provided.

Disclosure of Invention

An object of the utility model is to provide a novel needle structure to the tie is done to the needle head face of proposing in solving above-mentioned background art, leads to the product face not good-looking, and present needle life is low simultaneously, needs often to change, awkward problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel valve needle structure, includes the valve needle body, the valve needle body comprises first valve needle bar and second valve needle bar, the one end fixed connection of the one end of first valve needle bar through the round platform section that is equipped with and second valve needle bar, the fixed valve needle head that is equipped with of the other end of second valve needle bar, the fixed circular arc portion that is equipped with of one end of valve needle head, the fixed spacing collar that is equipped with of one end of first valve needle bar.

As a preferred technical scheme of the utility model, the fixed spliced pole that is equipped with of one end of spacing collar, the external screw thread has been seted up to the one end surface department of spliced pole.

As an optimized technical proposal of the utility model, a reinforcing groove is fixedly arranged at one end of the rod body of the first valve needle rod.

As an optimized technical proposal of the utility model, the shaft end of the second valve needle rod is fixedly provided with friction lines.

As an optimized technical scheme of the utility model, first valve needle bar, round platform section and second valve needle bar are the integral structure and constitute.

As an optimized technical scheme of the utility model, the needle body adopts the carbide material casting to form.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novel needle structure through the circular arc portion that is equipped with, can improve the product face and seal the gluey effect, and is more pleasing to the eye and more ideal, through spliced pole and the external screw thread that is equipped with, is convenient for install the needle body fast, and convenient to use forms the needle body through reinforcement groove, friction line and the carbide casting that is equipped with, improves the life and the hardness of needle body, avoids often changing.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a second valve pin structure of the present invention;

fig. 3 is a schematic view of the structure of the spacing collar of the present invention.

In the figure: 1. a valve needle body; 2. a first valve needle bar; 3. a circular table section; 4. a second valve needle bar; 5. a limiting ring; 6. a reinforcing groove; 7. a valve needle head; 8. a circular arc portion; 9. rubbing the grains; 10. connecting columns; 11. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-3, the utility model provides a novel valve needle structure, including valve needle body 1, valve needle body 1 comprises first valve needle bar 2 and second valve needle bar 4, and the one end fixed connection of the round platform section 3 that is equipped with and second valve needle bar 4 is passed through to the one end of first valve needle bar 2, and the other end of second valve needle bar 4 is fixed and is equipped with valve needle head 7, and the one end of valve needle head 7 is fixed and is equipped with circular arc portion 8, and the one end of first valve needle bar 2 is fixed and is equipped with spacing collar 5.

Preferably, the fixed spliced pole 10 that is equipped with of one end of spacing collar 5, external screw thread 11 has been seted up to the one end surface department of spliced pole 10, be convenient for install needle body 1 fast, high durability and convenient use, the fixed stiffening groove 6 that is equipped with of pole body one end department of first valve needle bar 2, improve the structural strength of first valve needle bar 2, long service life, the fixed friction line 9 that is equipped with of pole body one end department of second valve needle bar 4, improve the structural strength of second valve needle bar 4, increase life, first valve needle bar 2, round platform section 3 and second valve needle bar 4 are integrated structure and constitute, be convenient for produce fast and make, save time raise the efficiency, needle body 1 adopts the carbide material casting to form, improve the hardness of needle body 1, avoid frequent change.

When specifically using, the utility model relates to a novel needle structure at first through spliced pole 10 and external screw thread 11, install valve body 1 fast on, when sealing the glue, the one end of needle head 7 adopts the structure of circular arc portion 8, can improve 1 surface of needle body and seal the glue effect, more pleasing to the eye and more ideal, needle body 1 adopts the carbide material casting to form simultaneously, improve the hardness of needle body 1, avoid often changing, be equipped with on the first valve needle bar 2 and be equipped with friction line 9 on 6 and the second valve needle bar 4 of strengthening groove, can improve the structural strength of needle body 1, guarantee life.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a novel valve needle structure, includes valve needle body (1), its characterized in that, valve needle body (1) comprises first valve needle bar (2) and second valve needle bar (4), the one end fixed connection of one end through the round platform section (3) that are equipped with and second valve needle bar (4) of first valve needle bar (2), the other end of second valve needle bar (4) is fixed and is equipped with needle head (7), the one end of needle head (7) is fixed and is equipped with circular arc portion (8), the fixed spacing collar (5) that is equipped with of one end of first valve needle bar (2).

2. The novel valve pin structure of claim 1, wherein: one end of the limiting ring (5) is fixedly provided with a connecting column (10), and the surface of one end of the connecting column (10) is provided with an external thread (11).

3. The novel valve pin structure of claim 1, wherein: and a reinforcing groove (6) is fixedly arranged at one end of the rod body of the first valve needle rod (2).

4. The novel valve pin structure of claim 1, wherein: and friction grains (9) are fixedly arranged at one end of the rod body of the second valve needle rod (4).

5. The novel valve pin structure of claim 1, wherein: the first valve needle rod (2), the circular truncated cone section (3) and the second valve needle rod (4) are all of an integrated structure.

6. The novel valve pin structure of claim 1, wherein: the valve needle body (1) is formed by casting a hard alloy material.