CN217098632U

CN217098632U - Special self-locking nozzle for PET (polyethylene terephthalate) transparent material

Info

Publication number: CN217098632U
Application number: CN202220728274.2U
Authority: CN
Inventors: 郭新月
Original assignee: Beijing Jiabao Boya Auto Parts Co ltd
Current assignee: Beijing Jiabao Boya Auto Parts Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-02
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to a special auto-lock nozzle of PET transparent material belongs to nozzle technical field, including the bearing section of thick bamboo, the outer wall of bearing section of thick bamboo is close to top edge threaded connection and has the overhead connecting cylinder. The utility model discloses, the injection molding machine drain pipe discharges the injecting glue through the liquid inlet pipe to the conical discharge hole of penetrating mouth shower nozzle department behind the inside of a receiving section of thick bamboo, when the injection molding machine drain pipe carries out high-pressure injecting glue, melt glue when penetrating the downward torrent in the mouth shower nozzle, because of penetrating mouth shower nozzle department is provided with the conical discharge hole of tapering, make the pressure reduction of penetrating mouth shower nozzle bottom, melt glue and form the torrent easily and throw away out the gaseous blast pipe department discharge that returns the injection molding machine drain pipe along the conical discharge hole internal face of penetrating the mouth head wherein, such special auto-lock nozzle structure of PET transparent material can effectively solve mould inlet department and have the gas silk, transparent product has the defect of moulding plastics such as obvious bubble, production quality is effectively improved.

Description

Special self-locking nozzle for PET (polyethylene terephthalate) transparent material

Technical Field

The utility model relates to a nozzle technical field especially relates to special auto-lock nozzle of PET transparent material.

Background

The nozzle is widely applied in the industry, the material is from stainless steel and plastics to silicon carbide, polytetrafluoroethylene, PP (engineering plastics), aluminum alloy, tungsten steel and the like, and the application range is generally applied to various industries such as automobile, electroplating, surface treatment, high-pressure cleaning, dust removal, cooling, desulfurization, humidification, stirring, garden and the like.

The inner wall of the nozzle head of the existing special nozzle for the PET transparent material is cylindrical, when high-pressure glue injection is carried out, when the molten glue flows forwards in a main runner in a turbulent manner, gas in the molten glue can only be mixed with the molten glue and pressed into a die cavity through an opening at the front end of the nozzle head, and the injection molding defects that gas threads exist at a glue inlet, obvious bubbles exist in a transparent product and the like are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special auto-lock nozzle of PET transparent material has solved the problem that current special nozzle of PET transparent material advances glue mouth department and has easily had gas silk, transparent product to have defects of moulding plastics such as obvious bubble.

The utility model provides a scheme as follows of above-mentioned technical problem: the special self-locking nozzle for the PET transparent material comprises a bearing cylinder, wherein an upper connecting cylinder is in threaded connection with the outer wall of the bearing cylinder close to the top edge, a liquid inlet pipe is in threaded connection with the inner wall of the upper connecting cylinder close to the top edge, an injection molding machine liquid outlet pipe is in threaded connection with the outer wall of the liquid inlet pipe close to the top edge, an exhaust pipe is fixedly communicated with the middle position of the right side of the injection molding machine liquid outlet pipe, an exhaust valve is fixedly connected with the top of the exhaust pipe, a lower connecting cylinder is in threaded connection with the outer wall of the bearing cylinder close to the bottom edge, a nozzle spray head is in threaded connection with the middle position of the bottom of the lower connecting cylinder, a protective cylinder is fixedly installed in the middle position of the inner wall of the bearing cylinder, an air cylinder push rod is fixedly installed at the top of the inner wall of the protective cylinder, a needle valve main body is fixedly connected with the bottom of the air cylinder push rod, and a sealing sleeve is connected with the bottom of the protective cylinder in a penetrating manner, the outer wall of the needle valve main body is fixedly provided with a clamping block at the position close to the bottom of the sealing sleeve, and the bottom of the nozzle spray head is provided with a conical outlet.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the outer wall of the liquid inlet pipe is provided with connecting threads close to the top and the bottom, and the liquid outlet pipe of the injection molding machine is fixedly communicated with the bearing cylinder through the liquid inlet pipe.

Furthermore, the bearing cylinder is fixedly communicated with the nozzle spray head through the lower connecting cylinder.

Further, the bottom of the needle valve main body is set to be a conical structure matched with the conical outlet hole.

Furthermore, a connecting hole matched with the exhaust pipe is formed in the middle position of the right side of the liquid outlet pipe of the injection molding machine, and the inner wall of the connecting hole is fixedly connected with the exhaust pipe.

Furthermore, the diameter of the inner wall of the liquid inlet pipe close to the edge of the top is matched with the diameter of the inner wall of the liquid outlet pipe of the injection molding machine.

Further, the joint hole with sealing sleeve looks adaptation is seted up to the bottom intermediate position of protection section of thick bamboo, and the inner wall and the sealing sleeve joint in joint hole, the sliding hole with needle valve main part looks adaptation is seted up to the bottom intermediate position of sealing sleeve, and the inner wall and the needle valve main part sliding connection of sliding hole.

Furthermore, a through hole is formed in the rear surface of the bearing cylinder, an air cylinder pipe is fixedly connected to the inner wall of the through hole, and the air cylinder pipe is fixedly communicated with an air cylinder push rod.

The utility model provides a special auto-lock nozzle of PET transparent material has following advantage:

the injection molding machine drain pipe discharges the injecting glue to the inside of the receiving cylinder through the liquid inlet pipe and then discharges the injecting glue from the conical outlet hole at the nozzle spray head, when the injection molding machine drain pipe performs high-pressure injecting glue, when the molten glue flows downwards in the nozzle spray head, the conical outlet hole is arranged at the nozzle spray head, so that the pressure at the bottom end of the nozzle spray head is reduced, the molten glue is easy to form turbulent flow, gas thrown out of the molten glue is returned to the exhaust pipe of the injection molding machine drain pipe along the inner wall surface of the conical outlet hole of the nozzle head, and the self-locking nozzle structure special for the PET transparent material can effectively solve the problems that a gas wire exists at the glue inlet of a mold, the transparent product has injection molding defects such as obvious bubbles, and the production quality is effectively improved.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural view of a special self-locking nozzle for PET transparent material according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a protective cylinder in a self-locking nozzle specially used for PET transparent material according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a middle receiving cylinder of the self-locking nozzle specially used for PET transparent material according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a nozzle head in the self-locking nozzle dedicated for PET transparent material according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a receiving cylinder; 2. a connecting cylinder is arranged on the upper part; 3. a liquid inlet pipe; 4. a liquid outlet pipe of the injection molding machine; 5. an exhaust pipe; 6. an exhaust valve; 7. a connecting cylinder is arranged below; 8. a nozzle spray head; 9. a protective cylinder; 10. a cylinder push rod; 11. a needle valve body; 12. sealing sleeves; 13. a card position block; 14. a conical exit orifice.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in figures 1-4, the special self-locking nozzle for PET transparent materials comprises a bearing cylinder 1, an upper connecting cylinder 2 is in threaded connection with the outer wall of the bearing cylinder 1 close to the top edge, a liquid inlet pipe 3 is in threaded connection with the inner wall of the upper connecting cylinder 2 close to the top edge, an injection molding machine liquid outlet pipe 4 is in threaded connection with the outer wall of the liquid inlet pipe 3 close to the top edge, an exhaust pipe 5 is fixedly communicated with the middle position of the right side of the injection molding machine liquid outlet pipe 4, an exhaust valve 6 is fixedly connected with the top of the exhaust pipe 5, a lower connecting cylinder 7 is in threaded connection with the outer wall of the bearing cylinder 1 close to the bottom edge, a nozzle spray head 8 is in threaded connection with the middle position of the bottom of the lower connecting cylinder 7, a protective cylinder 9 is fixedly installed at the middle position of the inner wall of the bearing cylinder 1, an air cylinder push rod 10 is fixedly installed at the top of the inner wall of the protective cylinder 9, and a needle valve main body 11 is fixedly connected at the bottom of the air cylinder push rod 10, the bottom of the protective cylinder 9 is connected with a sealing sleeve 12 in a penetrating way, a clamping block 13 is fixedly arranged on the outer wall of the needle valve main body 11 close to the bottom of the sealing sleeve 12, and a conical outlet 14 is arranged at the bottom of the nozzle spray head 8.

Preferably, the outer wall of the liquid inlet pipe 3 is provided with connecting threads close to the top and the bottom, and the liquid outlet pipe 4 of the injection molding machine is fixedly communicated with the receiving cylinder 1 through the liquid inlet pipe 3.

Preferably, the receiving cylinder 1 is fixedly communicated with the nozzle spray head 8 through the lower connecting cylinder 7.

Preferably, the bottom of the needle valve body 11 is provided with a conical configuration that fits into the conical exit orifice 14.

Preferably, the middle position of the right side of the injection molding machine liquid outlet pipe 4 is provided with a connecting hole matched with the exhaust pipe 5, and the inner wall of the connecting hole is fixedly connected with the exhaust pipe 5.

Preferably, the diameter of the inner wall of the liquid inlet pipe 3 close to the top edge is matched with the diameter of the inner wall of the liquid outlet pipe 4 of the injection molding machine.

Preferably, the middle position of the bottom of the protection cylinder 9 is provided with a clamping hole matched with the sealing sleeve 12, the inner wall of the clamping hole is clamped with the sealing sleeve 12, the middle position of the bottom of the sealing sleeve 12 is provided with a sliding hole matched with the needle valve main body 11, and the inner wall of the sliding hole is in sliding connection with the needle valve main body 11.

Preferably, a through hole is formed in the rear surface of the receiving cylinder 1, an air cylinder pipe is fixedly connected to the inner wall of the through hole, and the air cylinder pipe is fixedly communicated with the air cylinder push rod 10.

The utility model discloses a concrete theory of operation and application method do: the upper connecting cylinder 2 can fixedly communicate the bearing cylinder 1 with the liquid inlet pipe 3, the lower connecting cylinder 7 can fixedly communicate the bearing cylinder 1 with the nozzle spray head 8, the cylinder push rod 10 in the protective cylinder 9 can push the needle valve body 11 under the sealing protection of the sealing sleeve 12, so that the needle valve main body 11 can be clamped into the conical outlet 14 at the nozzle spray head 8 to seal the nozzle, the injection molding machine liquid outlet pipe 4 discharges the injected glue into the receiving cylinder 1 through the liquid inlet pipe 3 and then discharges the injected glue from the conical outlet 14 at the nozzle spray head 8, when the injection molding machine liquid outlet pipe 4 is used for injecting glue at high pressure, when the molten glue flows downwards in the nozzle spray head 8 in a turbulent manner, the conical outlet hole 14 is formed in the nozzle spray head 8, so that the pressure at the bottom end of the nozzle spray head 8 is reduced, the molten glue is easy to form turbulent flow, and the gas thrown out of the turbulent flow is returned to the exhaust pipe 5 of the injection molding machine liquid outlet pipe 4 along the inner wall surface of the conical outlet hole 14 of the nozzle spray head 8 and is discharged.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

The special self-locking nozzle for the PET transparent material comprises a bearing cylinder (1), and is characterized in that: the outer wall of the bearing cylinder (1) is connected with an upper connecting cylinder (2) close to the top edge through threads, the inner wall of the upper connecting cylinder (2) is connected with a liquid inlet pipe (3) close to the top edge through threads, the outer wall of the liquid inlet pipe (3) is connected with an injection molding machine liquid outlet pipe (4) close to the top edge through threads, the right middle position of the injection molding machine liquid outlet pipe (4) is fixedly communicated with an exhaust pipe (5), the top of the exhaust pipe (5) is fixedly connected with an exhaust valve (6), the outer wall of the bearing cylinder (1) is connected with a lower connecting cylinder (7) close to the bottom edge through threads, the bottom middle position of the lower connecting cylinder (7) is connected with a nozzle spray head (8) through threads, the inner wall middle position of the bearing cylinder (1) is fixedly provided with a protective cylinder (9), and the inner wall top of the protective cylinder (9) is fixedly provided with a cylinder push rod (10), the bottom fixedly connected with needle valve main part (11) of cylinder push rod (10), the bottom through connection of protection section of thick bamboo (9) has seal cover (12), the bottom position fixed mounting that the outer wall of needle valve main part (11) is close to seal cover (12) has screens piece (13), the bottom of penetrating mouth shower nozzle (8) is provided with conical hole (14) of fleing.
2. The special self-locking nozzle for PET transparent materials according to claim 1, wherein the outer wall of the liquid inlet pipe (3) is provided with connecting threads near the top and the bottom, and the liquid outlet pipe (4) of the injection molding machine is fixedly communicated with the receiving cylinder (1) through the liquid inlet pipe (3).
3. The special self-locking nozzle for PET transparent materials according to claim 1, wherein the receiving cylinder (1) is fixedly communicated with the nozzle spray head (8) through a lower connecting cylinder (7).
4. The self-locking nozzle special for PET transparent material as claimed in claim 1, characterized in that the bottom of the needle valve body (11) is arranged to be a conical structure matched with the conical outlet hole (14).
5. The special self-locking nozzle for the PET transparent material as claimed in claim 1, wherein a connecting hole matched with the exhaust pipe (5) is formed in the middle position of the right side of the liquid outlet pipe (4) of the injection molding machine, and the inner wall of the connecting hole is fixedly connected with the exhaust pipe (5).
6. The self-locking nozzle special for PET transparent materials as claimed in claim 1, wherein the diameter of the inner wall of the liquid inlet pipe (3) close to the top edge is matched with the diameter of the inner wall of the liquid outlet pipe (4) of the injection molding machine.
7. The special self-locking nozzle for the PET transparent material as claimed in claim 1, wherein a clamping hole matched with the sealing sleeve (12) is formed in the middle of the bottom of the protective sleeve (9), the inner wall of the clamping hole is clamped with the sealing sleeve (12), a sliding hole matched with the needle valve main body (11) is formed in the middle of the bottom of the sealing sleeve (12), and the inner wall of the sliding hole is slidably connected with the needle valve main body (11).
8. The special self-locking nozzle for the PET transparent material according to claim 1, wherein a through hole is formed in the rear surface of the receiving cylinder (1), a cylinder pipe is fixedly connected to the inner wall of the through hole, and the cylinder pipe is fixedly communicated with a cylinder push rod (10).