阅读说明：本技术 一种软管总成成套生产装配工艺 (Complete production and assembly process for hose assembly ) 是由 阚平 陈善明 徐泽皖 于 2021-07-01 设计创作，主要内容包括：本发明公开了一种软管总成成套生产装配工艺,包括以下步骤：S1：准备装配所需工具；S2：软管下料；S3：剥外胶层；S4：进行装配；S5：软管扣压和试压；S6：软管总成两端接头进行封盖。本发明所述的一种软管总成成套生产装配工艺,通过从I号模头出来的管坯随即就要进入Ⅱ号模头包覆外层塑料,因此I号模头挤出的管坯不能用水冷却,而必须用风环冷却,使得管坯上的水份不会产生气泡从而影响产品质量,通过设置的牵引装置可保证软管网状织物的规则性,也可以将牵引和机与绕织装置联动,通过数控切割,具有切割精度高、全程不落地,避免污染的好处,通过将软管总成两端接头进行封盖,可避免在存储、运输过程中,有尘污进入。(The invention discloses a complete production and assembly process of a hose assembly, which comprises the following steps: s1: preparing a tool required for assembly; s2: blanking a hose; s3: stripping the outer glue layer; s4: assembling; s5: buckling and testing the hose; s6: the joints at the two ends of the hose assembly are sealed. According to the complete production and assembly process of the hose assembly, the pipe blank from the I die head immediately enters the II die head to be coated with outer-layer plastic, so that the pipe blank extruded by the I die head cannot be cooled by water, and must be cooled by an air ring, so that moisture on the pipe blank cannot generate bubbles to influence the product quality, the regularity of hose mesh fabric can be ensured by the arranged traction device, the traction machine and the winding device can be linked, the cutting precision is high, the whole process cannot fall, the pollution is avoided by numerical control cutting, and the joints at the two ends of the hose assembly are sealed, so that dust and dirt can be prevented from entering the hose assembly in the storage and transportation processes.)

1. A complete production and assembly process of a hose assembly is characterized in that: the method comprises the following operation steps:

s1: preparing a tool required for assembly;

s2: blanking a hose;

s3: stripping the outer glue layer;

s4: assembling;

s5: buckling and testing the hose;

s6: the joints at the two ends of the hose assembly are sealed.

2. The process of claim 1, wherein the hose assembly comprises: preparing a main extruder, an auxiliary extruder, a machine head, an air cooling device, a glue peeling machine, a mesh weaving device and a traction, illumination inspection and coiling device, wherein the main extruder and the auxiliary extruder are phi 45mm extruders, the length-diameter ratio L/D =20 of a screw rod of the extruder is heated and subjected to stepless speed regulation in four sections, the central heights of the two extruders are L00mm, the selection of the machine head depends on the specification of a hose, the winding device consists of a left weft weaving rotating shuttle, a right weft weaving rotating shuttle and a fixed shaft, one or more groups of winding devices can be designed according to the height of an enhanced index, each group of winding device can also be designed with a plurality of left weft threads, a right weft threads and a plurality of radial threads, the two ends of the fixed shaft are respectively provided with the left rotating shuttle and the right rotating shuttle, each rotating shuttle can be provided with 1-5 shuttle core wire coiling frames, when a transmission shaft drives the left rotating shuttle and the right rotating shuttle to rotate, the shuttle core threads are continuously wound on a hose inner wall of the extruded hose, according to the extruding speed of the hose and the required density degree of the hose, the rotating speed of the rotating shuttle and the number of bobbin thread coils are determined, generally, each rotating extrusion is provided with l-2 prismatic core coils to play a remarkable reinforcing effect, the warp threads penetrate through the warp thread holes in the fixed shaft without rotating, the traction device is the same as the traction of a hose, the light picking box is used for detecting the wall thickness uniformity and the weaving rule degree of the hose, a 60-watt fluorescent lamp tube is matched into the box with glass, and the winding device adopts a friction clutch mode to maintain the winding tension.

3. The process of claim 1, wherein the hose assembly comprises: and calculating the length of the rubber pipe needing to be sawn according to the total length of the hose assembly to be buckled and pressed and the specification and the model of the joints at the two ends, cutting by using numerical control after the calculation is finished, and cutting by using numerical control after the calculation is finished.

4. The process of claim 1, wherein the hose assembly comprises: thoroughly cleaning dust on the surface and the interior of the hose to avoid pollution, wherein the hose is required to calculate the rubber stripping length of the outer rubber layers at two ends of the hose according to the sizes of the joint and the outer sleeve, and the rubber stripping length position is scratched by a chalk; and (5) stripping the inner wall of the hose to a marking position by using a glue stripping machine, wherein the inner wall of the hose is not damaged after the glue is stripped.

5. The process of claim 1, wherein the hose assembly comprises: inserting the joint core into the inner hole of the hose to enable the outer edge shoulder of the outer sleeve to coincide with the ring groove of the joint core, so as to ensure that the shoulder of the outer sleeve is buckled and pressed into the ring groove of the joint core during buckling, and when the elbow joint is assembled, the assembly angle is assembled according to requirements, and whether the assembled length of the hose assembly meets the requirements is checked.

6. The process of claim 1, wherein the hose assembly comprises: and selecting a proper mould on the crimping machine according to the specification of the hose to be crimped, crimping the joint, performing a static pressure test, taking 2 times of rated pressure of the hose as static pressure test pressure, keeping the pressure for 45-60 s, and avoiding abnormal phenomena such as leakage and the like.

Technical Field

The invention relates to the field of hose production, in particular to a complete production and assembly process of a hose assembly.

Background

The hose is an important part in modern industry, the hose is mainly used as a wire and cable protection pipe for wires, cables and signals of automatic instruments and a civil shower hose, the threading hose is mainly made of galvanized steel strips, stainless steel strips, PA, PE, PP and other plastic materials, the hose is widely applied to a water supply pipeline system and a gas delivery pipeline system, but in recent years, the market share of the PVC pipeline system in the gas delivery field is nearly zero, and the use amount of the water supply system also slightly slides down.

Disclosure of Invention

The invention mainly aims to provide a complete production and assembly process of a hose assembly, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a complete production and assembly process for a hose assembly comprises the steps of preparing tools required for assembly, blanking a hose, peeling an outer rubber layer, assembling, buckling and pressing the hose, testing pressure, and sealing joints at two ends of the hose assembly.

Preferably, a main extruder, an auxiliary extruder, a machine head, an air cooling device, a glue peeling machine, a mesh weaving device and a traction, illumination inspection and coiling device are prepared, wherein the main extruder and the auxiliary extruder are phi 45mm extruders, the length-diameter ratio L/D =20 of a screw rod of the extruder is divided into four sections for heating and stepless speed regulation, the central heights of the two extruders are L00mm, the selection of the machine head depends on the specification of a hose, the winding device consists of a left weft weaving rotating shuttle, a right weft weaving rotating shuttle and a fixed shaft, one or more groups of winding devices can be designed according to the height of an enhancement index, each group of winding devices can also be designed with a plurality of left weft threads, right weft threads and a plurality of diameter threads, the two ends of the fixed shaft are respectively provided with the left rotating shuttle and the right rotating shuttle, each rotating shuttle can be matched with 1-5 shuttle core wire coiling frames, when the left rotating shuttle and the right rotating shuttle are driven by a transmission shaft to rotate, the shuttle core upper wire is wound on a pipe blank on the inner wall of the extruded hose, according to the extruding speed of the pipe blank and the required density degree of the mesh weaving, the rotating speed of the rotating shuttle and the number of bobbin thread coils are determined, generally, each rotating extrusion is provided with l-2 prismatic core coils to play a remarkable reinforcing effect, the warp threads penetrate through the warp thread holes in the fixed shaft without rotating, the traction device is the same as the traction of a hose, the light picking box is used for detecting the wall thickness uniformity and the weaving rule degree of the hose, a 60-watt fluorescent lamp tube is matched into the box with glass, and the winding device adopts a friction clutch mode to maintain the winding tension.

Preferably, the length of the rubber pipe needing to be sawed is calculated according to the total length of the hose assembly to be buckled and pressed and the specification and the model of the joints at the two ends, and after the calculation is finished, the rubber pipe is cut by using numerical control.

Preferably, dust on the surface and inside of the hose is thoroughly cleaned, pollution is avoided, the hose is required to calculate the rubber stripping length of the outer rubber layers at two ends of the hose according to the sizes of the joint and the outer sleeve, and the rubber stripping length position is scratched by chalk; and (5) stripping the inner wall of the hose to a marking position by using a glue stripping machine, wherein the inner wall of the hose is not damaged after the glue is stripped.

Preferably, the joint core is inserted into the inner hole of the hose, the outer edge shoulder of the outer sleeve is superposed with the annular groove of the joint core, so that the shoulder of the outer sleeve is buckled and pressed into the annular groove of the joint core during buckling, the assembly angle of the elbow joint is required to be assembled according to requirements during assembly, and whether the assembled length of the hose assembly meets the requirements is checked.

Preferably, according to the specification of the hose to be buckled, a proper mould is selected on the buckling machine to buckle the joint, a static pressure test is carried out, 2 times of rated pressure of the hose is used as static pressure test pressure, the pressure maintaining time is 45s-60s, and abnormal phenomena such as leakage and the like cannot occur.

Compared with the prior art, the invention has the following beneficial effects:

in the invention, the pipe blank from the No. I die head immediately enters the No. II die head to cover the outer layer plastic, so the pipe blank extruded by the No. I die head cannot be cooled by water, but must be cooled by an air ring, so that the water on the pipe blank cannot generate bubbles to influence the product quality, the regularity of the hose reticular fabric can be ensured by the arranged traction device, the traction machine and the winding device can be linked, the cutting precision is high, the whole process cannot fall to the ground, and the pollution is avoided, the dust can be prevented from entering in the storage and transportation processes by sealing the joints at the two ends of the hose assembly, the quality of the hose produced by the method is stable and reliable, the production cost is greatly reduced, the price is only about 1/3-1/2 of the rubber tube, and the performances in the aspects of transparency, oil resistance, flame retardance, weight, service life and the like are greatly superior to those of the rubber tube, therefore, the method has popularization value in actual production.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 relates to a complete production and assembly process of a hose assembly, which comprises the following steps:

s1: preparing tools required for assembly, preparing a main extruder, an auxiliary extruder, a machine head, an air cooling device, a glue stripping machine, a mesh weaving device and a traction, illumination inspection and coiling device, wherein the main extruder and the auxiliary extruder are phi 45mm extruders, the length-diameter ratio L/D =20 of a screw rod of the extruder is divided into four sections for heating and stepless speed regulation, the central heights of the two extruders are L00mm, the selection of the machine head depends on the specification size of a hose, the winding device consists of a left weft weaving rotating shuttle, a right weft weaving rotating shuttle and a fixed shaft, one or more groups of winding devices can be designed according to the height of an enhanced index, each group of winding device can also be designed with a plurality of left weft threads, right weft threads and a plurality of diameter threads, the two ends of the fixed shaft are respectively provided with the left rotating shuttle and the right rotating shuttle, each rotating shuttle can be matched with 1-5 shuttle core wire coiling frames, when the left rotating shuttle and the right rotating shuttle are driven by a transmission shaft to rotate, the upper thread of a shuttle core is wound on a hose inner wall pipe blank which is continuously extruded, according to the extrusion speed of the hose and the required mesh weaving density degree, the rotating speed of the rotating shuttle and the number of bobbin thread coils are determined, generally, each rotating extrusion is provided with l-2 prismatic core coils to play a remarkable reinforcing effect, the warp threads penetrate through the warp thread holes in the fixed shaft without rotating, the traction device is the same as the traction of a hose, the light picking box is used for detecting the wall thickness uniformity and the weaving rule degree of the hose, a 60-watt fluorescent lamp tube is matched into the box with glass, and the winding device adopts a friction clutch mode to maintain the winding tension.

S2: and (3) blanking the hose, calculating the length of the rubber hose to be sawn according to the total length of the hose assembly to be buckled and pressed and the specification and the model of the joints at the two ends, and cutting by using numerical control after the calculation is finished.

S3: peeling the outer rubber layer, thoroughly cleaning dust on the surface and the interior of the hose and avoiding pollution, wherein the hose is required to calculate the rubber peeling length of the outer rubber layer at two ends of the hose according to the sizes of the joint and the outer sleeve, and the rubber peeling length position is scratched by chalk; and (5) stripping the inner wall of the hose to a marking position by using a glue stripping machine, wherein the inner wall of the hose is not damaged after the glue is stripped.

S4: assembling, inserting the joint core into the inner hole of the hose, and enabling the outer edge shoulder of the outer sleeve to coincide with the annular groove of the joint core so as to ensure that the shoulder of the outer sleeve is buckled and pressed into the annular groove of the joint core during buckling, wherein the assembly angle of the elbow joint is required to be assembled according to requirements during assembling, and whether the assembled length of the hose assembly meets the requirements is checked.

S5: and (3) buckling and testing the hose, selecting a proper mould on a buckling and pressing machine to buckle the joint according to the specification of the hose to be buckled and pressed, performing a static pressure test, taking 2 times of rated pressure of the hose as static pressure test pressure, keeping the pressure for 45-60 s, and avoiding abnormal phenomena such as leakage and the like.

S6: the joints at the two ends of the hose assembly are sealed.

The invention has the advantages that the tube blank coming out of the No. I die head immediately enters the No. II die head to cover the outer layer plastic, so the tube blank extruded by the No. I die head can not be cooled by water, but must be cooled by an air ring, the water on the tube blank can not generate bubbles to influence the product quality, the regularity of the hose reticular fabric can be ensured by the arranged traction device, the traction machine and the winding device can be linked, the cutting precision is high, the whole process can not fall to the ground, and the pollution is avoided, the dust can be prevented from entering in the storage and transportation processes by sealing the joints at the two ends of the hose assembly, the quality of the hose produced by the method is stable and reliable, the production cost is greatly reduced, the price is only about 1/3-1/2 of the rubber tube, and the performances in the aspects of transparency, oil resistance, flame retardance, weight, service life and the like are greatly superior to those of the rubber tube, therefore, the method has popularization value in actual production.

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.