CN112590269B - Tail sealing PE hose and production process thereof - Google Patents

Abstract

The invention discloses a tail sealing PE (polyethylene) hose and a production process thereof. The production process comprises the following processing steps: s1, extruding a PE (polyethylene) hose with a circular ring-shaped cross section by an extrusion molding machine, cutting the hose, and taking a section of PE hose with a set length; s2, performing forming operation on the head end and the tail end of the section of the PE hose, wherein the forming operation comprises head forming operation and tail forming operation, and the head forming operation and the tail forming operation are performed synchronously; and S3, finally, trimming the upper end opening of the extrusion nozzle and cutting off the uneven part. The invention has perfect integral function and strong practicability.

Description

Tail sealing PE hose and production process thereof

Technical Field

The invention relates to the technical field of cosmetic package manufacturing, in particular to a tail sealing PE (polyethylene) hose and a production process thereof.

Background

With the development of society, the period of product research and development of each enterprise is shortened, and new products with more styles need to be prepared in a single research and development period so as to meet the selection requirements of customers. In the field of cosmetics, the formulas with the characteristic effects need to be developed for the emulsion and the emulsifiable paste used for the cosmetics, and after the cosmetics are ground, the formulas are filled one by one and packaged into a hose, so that the subsequent manufacturing period is increased, and the market promotion progress of the whole product is influenced.

Therefore, when the formula is developed, the manufacture of the hose used for the outer package can be completed, and more development time can be obtained in the whole production period. The invention provides a pre-formed PE hose with a sealed end, which is directly filled in subsequent use without sealing, so that the production efficiency is improved.

Accordingly, the invention provides a tail sealing PE hose and a production process thereof.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a tail sealing PE hose and a production process thereof.

In order to solve the technical problem, the invention aims to realize that: the invention relates to a tail sealing PE (polyethylene) hose which comprises a tubular hose body, wherein one end of the hose body is provided with an extrusion nozzle, external threads are pressed on the extrusion nozzle, the other end of the hose body is provided with a fishtail-shaped sealing end, a long strip-shaped metal sheet is embedded in the sealing end, and the extending direction of the metal sheet is vertical to the extending direction of the hose body.

The invention is further configured to: the metal sheet is provided with a hollow hole with the same extension direction as the metal sheet.

The invention is further configured to: burrs are uniformly distributed on the front end face and the rear end face of the metal sheet.

A production process of a tail sealing PE hose comprises the following processing steps:

s1, firstly, extruding a PE hose with a circular section by an extrusion molding machine, cutting the PE hose, and taking a section of the PE hose with a set length;

s2, secondly, forming the head end and the tail end of the PE hose, wherein the forming operation comprises a head forming operation and a tail forming operation, and the head forming operation and the tail forming operation are carried out synchronously;

the head forming operation steps are as follows: the extrusion nozzle is molded by a left mold and a right mold which are mutually closed, and the inner wall surface of the mold is provided with an internal thread mold for extruding external threads, so that the surface of the molded extrusion nozzle is attached with corresponding external threads;

the tail part forming operation steps are as follows: the bottom of the PE hose is gradually pressed to be deformed by two pressing blocks which are mutually close to each other from left to right, the PE hose approaches to the fishtail shape but is not sealed, meanwhile, a metal sheet which vertically moves from bottom to top is plugged into the opening of the PE hose which is not completely sealed, the metal sheet is heated, after the metal sheet is placed, the two pressing blocks which are mutually close to each other press the tail end of the PE hose, so that the metal sheet and the PE hose in a heating state are properly melted and bonded together, and after the pressing blocks are removed, the tail forming operation is finished;

and S3, finally, trimming the upper end opening of the extrusion nozzle and cutting off the uneven part.

In conclusion, the invention has the following beneficial effects:

1. since the conventional hose has an anti-sticking layer on the inner surface to prevent the raw material from adhering to the inner surface, the tail end seal is not firm, and leakage is likely to occur after twisting. According to the tail sealing PE hose provided by the scheme, the metal sheet is arranged in the tail end, and after the burrs on the surface of the metal sheet are pressed and sealed, the anti-sticking layer is punctured, so that the anti-sticking PE hose is well connected with the body;

2. the built-in metal sheet has good bending resistance, and the sealing part is prevented from cracking due to torsion;

3. the production process of the PE hose adopts the preheated metal sheet as a heat source for sealing, so that a pressing block for flattening the tail end of the PE hose does not need to be heated, and the phenomenon that the tail end of the molded hose is different in shape due to overlarge position of a melting area is avoided;

4. besides the extrusion of the pressing block, a sealing mechanism is also saved, the whole structure is simplified, and the process is novel.

Drawings

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

FIG. 2 is a schematic diagram of a structure embodying the present invention for metal sheets;

FIG. 3 is a schematic diagram of the production process of the present invention.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent claims of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention will be further described with reference to the drawings and preferred embodiments.

Referring to fig. 1 to 3, the tail sealing PE hose according to the present embodiment includes a tubular hose body 1, wherein an extrusion nozzle 2 is disposed at one end of the hose body 1, an external thread is pressed on the extrusion nozzle 2, a sealing end 3 in a fishtail shape is disposed at the other end of the hose body 1, a long metal sheet 4 is embedded in the sealing end 3, and an extending direction of the metal sheet 4 is perpendicular to an extending direction of the hose body 1.

Furthermore, the metal sheet 4 is provided with a hollow hole 5 with the same extending direction as the metal sheet.

Furthermore, burrs are uniformly distributed on the front end face and the rear end face of the metal sheet 4.

In the embodiment, the metal sheet 4 is arranged in the tail end of the hose main body 1, so that in the process of compounding the fishtail-shaped sealing end 3 with the metal sheet 4, burrs pierce the anti-sticking layer, and part of the burrs extend into the body of the hose main body 1, so that the contact area is increased, the adhesive force is improved, and good connection is formed; the built-in metal sheet 4 has good bending resistance, and the sealing end 3 is prevented from cracking due to twisting.

Wherein, the setting up of fretwork hole 5 has not only played the effect that alleviates 4 whole qualities of sheetmetal, can also make this department form small gasbag, and the direction is taken the PE hose more convenient, and takes to hold between the fingers comfortablely.

Referring to fig. 1 to 3, the production process of the tail sealing PE hose according to the present embodiment includes the following processing steps:

s1, firstly, extruding a PE hose with a circular section by an extrusion molding machine, cutting the PE hose, and taking a section of the PE hose with a set length;

s2, secondly, forming the head end and the tail end of the PE hose, wherein the forming operation comprises a head forming operation and a tail forming operation, and the head forming operation and the tail forming operation are carried out synchronously;

the head forming operation steps are as follows: the extrusion nozzle is molded by a left mold and a right mold which are mutually closed, and the inner wall surface of the mold is provided with an internal thread mold for extruding external threads, so that the surface of the molded extrusion nozzle is attached with corresponding external threads;

the tail part forming operation steps are as follows: the bottom of the PE hose is gradually pressed to be deformed by two pressing blocks which are mutually close to each other from left to right, the bottom of the PE hose is close to the shape of a fishtail but not sealed, meanwhile, a metal sheet which vertically moves from bottom to top is inserted into a pipe orifice of the PE hose which is not completely sealed, the metal sheet is heated, after the metal sheet is placed, the two pressing blocks which are mutually close to each other press the tail end of the PE hose, so that the metal sheet and the PE hose in a heating state are properly melted and bonded together, and after the pressing blocks are removed, the tail part forming operation is finished;

and S3, finally, trimming the upper port of the extrusion nozzle and cutting off uneven parts.

The production process of the PE hose adopts the preheated metal sheet as a heat source for sealing, so that the pressing block for flattening the tail end of the PE hose is not required to be heated, the phenomenon that the position of a melting area is too large, the tail end of the molded hose is different in shape, and the sealing is smooth and tight. The process eliminates the extrusion of the pressing block, saves a sealing mechanism, simplifies the whole structure and has novel process.

Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship actually shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the above teachings. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (1)

1. The utility model provides a seal tail PE hose and production technology thereof, seal tail PE hose is equipped with the extrusion mouth including the hose main part that is the tube-shape, the one end of hose main part, and it has the external screw thread to press on the extrusion mouth, the other end of hose main part has the seal end that is the fish tail form, its characterized in that: a strip-shaped metal sheet is embedded in the sealing end, and the extending direction of the metal sheet is vertical to the extending direction of the hose main body; the metal sheet is provided with a hollow hole with the same extension direction as the metal sheet; burrs are uniformly distributed on the front end face and the rear end face of the metal sheet;

the production process of the tail sealing PE hose comprises the following processing steps:

s1, firstly, extruding a PE hose with a circular section by an extrusion molding machine, cutting the PE hose, and taking a section of the PE hose with a set length;

s2, secondly, forming the head end and the tail end of the PE hose, wherein the forming operation comprises a head forming operation and a tail forming operation, and the head forming operation and the tail forming operation are carried out synchronously;

the head forming operation steps are as follows: the extrusion nozzle is molded by a left mold and a right mold which are mutually closed, and the inner wall surface of the mold is provided with an internal thread mold for extruding external threads, so that the surface of the molded extrusion nozzle is attached with corresponding external threads;

the tail part forming operation steps are as follows: the bottom of the PE hose is gradually pressed to be deformed by two pressing blocks which are mutually close to each other from left to right, the PE hose approaches to the fishtail shape but is not sealed, meanwhile, a metal sheet which vertically moves from bottom to top is plugged into the opening of the PE hose which is not completely sealed, the metal sheet is heated, after the metal sheet is placed, the two pressing blocks which are mutually close to each other press the tail end of the PE hose, so that the metal sheet and the PE hose in a heating state are properly melted and bonded together, and after the pressing blocks are removed, the tail forming operation is finished;

and S3, finally, trimming the upper end opening of the extrusion nozzle and cutting off the uneven part.

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