阅读说明：本技术 编织网套包覆螺纹软管、加工模具及加工方法 (Braided net cover coated threaded hose, machining die and machining method ) 是由 李松俊 李响 迟奇峰 于 2018-08-21 设计创作，主要内容包括：本发明涉及一种螺纹软管加工技术领域,公开了一种编织网套包覆螺纹软管,包括螺纹软管和紧密贴合在所述螺纹软管外壁上的编织网套；所述螺纹软管由热塑性弹性体材料制成,所述编织网套由弹性线材编织而成,所述弹性线材由腈纶、氨纶、涤纶、锦纶、芳纶、长丝、低弹丝制成。本发明还公开了一种上述编织网套包覆螺纹软管的加工方法和加工模具。本发明通过多螺纹软管内腔进行充气,对螺纹软管进行支撑,从而能够在螺纹软管管壁上编织贴合性良好的编织网套。(The invention relates to the technical field of threaded hose processing, and discloses a braided mesh coated threaded hose, which comprises a threaded hose and a braided mesh tightly attached to the outer wall of the threaded hose; the thread hose is made of thermoplastic elastomer materials, the weaving net sleeve is formed by weaving elastic wires, and the elastic wires are made of acrylic fibers, spandex, terylene, chinlon, aramid fibers, filaments and low stretch yarns. The invention also discloses a processing method and a processing die for the braided net cover coated threaded hose. The invention inflates the inner cavity of the multi-thread hose to support the thread hose, thereby weaving the weaving net sleeve with good fitting property on the pipe wall of the thread hose.)

1. A woven mesh-coated threaded hose is characterized by comprising a threaded hose and a woven mesh tightly attached to the outer wall of the threaded hose; the thread hose is made of thermoplastic elastomer materials, the weaving net sleeve is formed by weaving elastic wires, and the elastic wires are made of acrylic fibers, spandex, terylene, chinlon, aramid fibers, filaments or low stretch yarns.

2. A processing method of a braided net cover coated threaded hose is characterized by comprising the following steps: obtaining a threaded hose; plugging one end of the threaded hose, inflating air into the lumen of the threaded hose from the other end, and supporting the tubular structure of the threaded hose; the method comprises the steps of manufacturing a woven net cover on the outer wall of the threaded hose by adopting elastic wire rods, and obtaining the threaded hose coated with the woven net cover, wherein the elastic wire rods are made of acrylic fibers, spandex, terylene, chinlon, aramid fibers, filaments or low-elasticity filaments.

3. The method of claim 2, further comprising the step of softening the woven mesh covered threaded hose at a temperature in the range of 110 to 120 degrees for 10 to 20 minutes.

4. A processing die for weaving a net cover to coat a threaded hose is characterized by comprising a threaded pipe mounting device and a braiding machine; the threaded pipe mounting device comprises a plugging mechanism and an inflating mechanism, wherein the plugging mechanism is used for plugging an opening at one end of the threaded hose, and the inflating mechanism is used for inflating a tubular structure supporting the threaded hose from the other end of the threaded hose to a pipe cavity of the threaded hose; the knitting machine is provided with a knitting position for knitting the net cover; when weaving, the axis of the thread hose is vertical to the weaving position.

5. The mold for processing the woven net cover covered threaded hose according to claim 4, wherein the blocking mechanism comprises a blocking plug and an expansion cylinder which are connected with each other; the plugging plug comprises an expansion rubber ring which is annularly arranged, and an inflation channel which is communicated with the expansion cylinder and the expansion rubber ring is also arranged in the plugging plug; the expansion cylinder is provided with a flow regulating valve, and the expansion degree of the expansion rubber ring can be adjusted by regulating the pressure of air filled into the plugging plug through the expansion cylinder.

6. The mold for processing the threaded hose covered by the knitted mesh sleeve according to claim 5, wherein the inflation mechanism comprises a rubber plug, the rubber plug is provided with an inflation hole which penetrates through the rubber plug, and the lumen of the threaded hose can be inflated through the inflation hole; the inflation mechanism further comprises a pushing cylinder connected with the rubber plug, and the pushing cylinder is used for driving the rubber plug to be plugged into the threaded hose or pulled out of the threaded hose.

7. The mold for processing the braided net cover coated threaded hose according to claim 6, wherein the threaded hose fixing device further comprises a fixing frame, and the fixing frame comprises a first clamp and a second clamp; the first clamp is used for fixing the threaded hose, and the second clamp is used for fixing the pushing cylinder; the fixed frame also comprises a first slide rail, and the second clamp can drive the pushing cylinder to move along the first slide rail; and the threaded hose is arranged on the threaded hose fixing device and is parallel to the first sliding rail.

8. The mold for processing the woven mesh covered threaded hose according to claim 7, wherein the threaded hose fixing device further comprises a first rotating cylinder and a second rotating cylinder; the plugging mechanism is fixed on the first rotary cylinder through the opposite end of the contact end of the plugging mechanism and the threaded hose; the fixed frame is fixed on the second rotary cylinder; when the threaded hose is installed on the threaded hose fixing device, the first rotary cylinder and the second rotary cylinder can drive the threaded hose to rotate around the axis.

9. The mold for manufacturing a braided net covered threaded hose according to claim 8, wherein the braiding machine further comprises a traction device for driving the threaded hose fixing device to move at a constant speed, so that each part of the threaded hose is sequentially positioned at the braiding position.

10. The forming die of the braided mesh covered threaded hose of claim 9, wherein the braiding machine further comprises a sliding device, the sliding device comprising a second slide rail, a first slide block and a second slide block that are slidable along the second slide rail; the first sliding block is fixedly connected with the first rotary cylinder, and the second sliding block is fixedly connected with the second sliding block; the traction device is connected with the first sliding block or the second sliding block and drives the threaded hose fixing device to move along the second sliding rail.

Technical Field

The invention relates to the technical field of threaded hose processing, in particular to a braided net cover coated threaded hose, a processing die and a processing method.

Background

The threaded hose is an important part in the fields of modern industry, medical use and the like, and can be used for ventilation, water passing and the like. In the prior art, materials such as plastic or silica gel can be generally adopted to manufacture the threaded hose, but for parts such as a breathing pipeline applied to a breathing device, the pipeline has the defects of poor surface touch, large noise transmission and the like.

Disclosure of Invention

The invention provides a braided net cover coated threaded hose, a processing die and a processing method; the threaded hose can be supported, so that the woven net sleeve with good fitting performance can be woven on the outer wall of the threaded hose.

One object of the invention is to provide a braided mesh-coated threaded hose, which comprises a threaded hose and a braided mesh tightly attached to the outer wall of the threaded hose; the thread hose is made of thermoplastic elastomer materials, the weaving net sleeve is formed by weaving elastic wires, and the elastic wires are made of acrylic fibers, spandex, terylene, chinlon, aramid fibers, filaments or low stretch yarns.

The second purpose of the invention is to provide a method for processing a braided net cover coated threaded hose, which comprises the following steps: obtaining a threaded hose; plugging one end of the threaded hose, inflating air into the lumen of the threaded hose from the other end, and supporting the tubular structure of the threaded hose; the method comprises the steps of manufacturing a woven net cover on the outer wall of the threaded hose by adopting elastic wire rods, and obtaining the threaded hose coated with the woven net cover, wherein the elastic wire rods are made of acrylic fibers, spandex, terylene, chinlon, aramid fibers, filaments or low-elasticity filaments.

Further, the processing method also comprises the step of softening the woven net cover coated threaded hose for 10 to 20 minutes at the temperature ranging from 110 to 120 ℃.

The invention also provides a processing mould for weaving the net cover to cover the threaded hose, which comprises a threaded pipe mounting device and a weaving machine; the threaded pipe mounting device comprises a plugging mechanism and an inflating mechanism, wherein the plugging mechanism is used for plugging an opening at one end of the threaded hose, and the inflating mechanism is used for inflating a tubular structure supporting the threaded hose from the other end of the threaded hose to a pipe cavity of the threaded hose; the knitting machine is provided with a knitting position for knitting the net cover; when weaving, the axis of the thread hose is vertical to the weaving position.

Further, the plugging mechanism comprises a plugging plug and an expansion cylinder which are connected with each other; the plugging plug comprises an expansion rubber ring which is annularly arranged, and an inflation channel which is communicated with the expansion cylinder and the expansion rubber ring is also arranged in the plugging plug; the expansion cylinder is provided with a flow regulating valve, and the expansion degree of the expansion rubber ring can be adjusted by regulating the pressure of air filled into the plugging plug through the expansion cylinder.

Furthermore, the inflating mechanism comprises a rubber plug, a penetrating inflating hole is formed in the rubber plug, and the rubber plug can inflate the tube cavity of the threaded hose through the inflating hole; the inflation mechanism further comprises a pushing cylinder connected with the rubber plug, and the pushing cylinder is used for driving the rubber plug to be plugged into the threaded hose or pulled out of the threaded hose.

Furthermore, the threaded hose fixing device also comprises a fixing frame, wherein the fixing frame comprises a first clamp and a second clamp; the first clamp is used for fixing the threaded hose, and the second clamp is used for fixing the pushing cylinder; the fixed frame also comprises a first slide rail, and the second clamp can drive the pushing cylinder to move along the first slide rail; and the threaded hose is arranged on the threaded hose fixing device and is parallel to the first sliding rail.

Further, the threaded hose fixing device further comprises a first rotary cylinder and a second rotary cylinder; the plugging mechanism is fixed on the first rotary cylinder through the opposite end of the contact end of the plugging mechanism and the threaded hose; the fixed frame is fixed on the second rotary cylinder; when the threaded hose is installed on the threaded hose fixing device, the first rotary cylinder and the second rotary cylinder can drive the threaded hose to rotate around the axis.

Furthermore, the braiding machine further comprises a traction device, and the traction device is used for driving the threaded hose fixing device to move at a constant speed, so that all parts of the threaded hose are sequentially positioned at the braiding position.

Further, the knitting machine further comprises a sliding device, wherein the sliding device comprises a second sliding rail, a first sliding block and a second sliding block, and the first sliding block and the second sliding block can slide along the second sliding rail; the first sliding block is fixedly connected with the first rotary cylinder, and the second sliding block is fixedly connected with the second sliding block; the traction device is connected with the first sliding block or the second sliding block and drives the threaded hose fixing device to move along the second sliding rail.

According to the processing method provided by the invention, the threaded hose is supported by an inflation method, so that a woven net sleeve with good fitting property can be woven on the pipe wall of the threaded hose; the processing die provided by the invention is simple in structure and can conveniently inflate the threaded hose.

Drawings

Fig. 1 shows a braided-mesh covered threaded hose manufactured by the manufacturing method of the first embodiment of the present invention.

Fig. 2 is a schematic structural view of a part of a processing mold in a second embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an occlusion mechanism in a second embodiment of the invention.

Fig. 4 is a schematic structural view of an inflation mechanism in the first embodiment of the present invention.

Fig. 5 is a schematic structural view of a processing mold in the first embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1, a first embodiment of the present invention provides a method for manufacturing a braided net covered threaded hose, comprising the following steps:

s1, obtaining a threaded hose 11, wherein the threaded hose is made of thermoplastic elastomer materials, and the thermoplastic elastomer materials comprise TPU, TPE, PVC or PA;

s2, plugging one end of the threaded hose 11, inflating the lumen of the threaded hose 11 from the other end, and supporting the tubular structure of the threaded hose 11;

s3, manufacturing the woven net sleeve 12 on the outer wall of the threaded hose 11 by adopting elastic wires to obtain the woven net sleeve coated threaded hose 10, wherein the elastic wires are made of acrylic fibers, spandex and terylene.

Because the threaded hose structure is softer, the operation of weaving is directly carried out on its outer wall, and the threaded hose structure is easy to be out of shape to lead to weaving the net cover poor with the laminating nature of threaded hose pipe wall, be difficult to obtain the firm braided net cover cladding threaded hose of structure. This embodiment adopts gas filling to support the thread hose, can effectual solution prior art exist the problem, can weave the good net cover of weaving of laminating nature on the thread hose pipe wall.

The woven mesh cover coated threaded hose manufactured by the method has the advantages of good touch, low noise transmission, heat preservation and the like, and is particularly suitable for being used as a breathing pipeline in a breathing device.

The threaded pipe in step S1 may be a commercially available threaded hose, or may be produced by injection molding, extrusion molding, or the like.

Further, the processing method further comprises the following steps:

and S4, softening the braided net cover coated threaded hose for 10 to 20 minutes at the temperature range of 110 to 120 ℃.

This scheme can further strengthen the pliability of thread-like hose, can also make weave the dictyosome and thread-like hose have better laminating performance to improve the stability of product structure.

Referring to fig. 2 to 5, a second embodiment of the present invention provides a processing mold for a woven mesh-covered threaded hose, comprising a threaded hose fixing device and a braiding machine, wherein the threaded hose fixing device comprises a blocking mechanism 21 and an inflating mechanism 22, the blocking mechanism 21 is used for blocking one end opening of the threaded hose 11, and the inflating mechanism 22 is used for inflating a tubular structure supporting the threaded hose 11 from the other end of the threaded hose 11 into a lumen thereof; the knitting machine has a knitting station for knitting the web, which in this embodiment comprises a plurality of endless knitting heads 31, the knitting station being located in the middle of the knitting heads 31.

In the weaving process, the axis of the threaded hose 11 is perpendicular to the weaving position, and when the threaded hose 11 is moved at a constant speed along the axial direction, a woven net sleeve can be formed on the outer wall of the threaded hose 11.

The processing mould that this embodiment provided can support the screwed hose to can weave the good braided net cover of laminating on the screwed hose outer wall.

Further, the plugging mechanism 21 comprises a plugging plug 211 and an expansion cylinder 212 which are connected with each other; the plugging plug 211 comprises an expansion rubber ring 2111 which is annularly arranged, and an inflation channel which is communicated with the expansion cylinder 212 and the expansion rubber ring 2111 is also arranged in the plugging plug 211; the expansion degree of the expansion rubber ring 2111 can be adjusted by inflating the sealing plug 211 through the expansion cylinder 212. Compare with ordinary stopper, this scheme can promote the sealing performance to threaded hose 11, avoids aerifing the in-process to threaded hose and takes place gas leakage and to influence threaded hose's supporting effect.

Furthermore, the expansion cylinder 212 is further provided with a flow regulating valve 2121 for regulating the pressure of the expansion cylinder 212 to the plugging plug 211. The expansion degree of this scheme through adjusting the inflation rubber ring for the shutoff stopper is easily plugged in and is taken out, can also further improve the compactness of shutoff stopper in addition.

Further, the inflating mechanism 22 includes a rubber plug 221, and an inflating hole penetrating through the rubber plug 221 is provided, so that the tubular structure of the threaded hose 11 can be supported by inflating the lumen of the threaded hose 10 through the inflating hole.

Further, the inflation mechanism 22 further includes an inflation tube 222 inserted into the inflation hole.

Further, the inflation mechanism 22 further comprises a pushing cylinder 223 connected with the rubber plug 221; the pushing cylinder 223 is used for driving the rubber plug 221 into the threaded hose 11 or pulling out the rubber plug from the threaded hose 11. The scheme is favorable for realizing automatic control of inflation of the threaded hose, so that the production efficiency is improved.

Further, the threaded hose fixing device further comprises a fixing frame 23, wherein the fixing frame 23 comprises a first clamp 231 and a second clamp 232; the first clamp 231 is used for fixing the threaded hose 11, and the second clamp 231 is used for fixing the pushing cylinder 223; the fixed frame 23 further includes a first slide rail 233, and the second clamp 232 can drive the pushing cylinder 223 to move along the first slide rail 233; the threaded hose 11 is arranged in parallel with the first sliding rail 233. This scheme can be to its fixed action of thread hose, can also guarantee to plug 221 accuracy in thread hose 11 in addition.

Further, the threaded hose fixing device further comprises a rotating mechanism for driving the threaded hose 11 to rotate around the axis. The scheme is favorable for the weaving process.

Further, the rotation mechanism includes a first rotation cylinder 24 and a second rotation cylinder 25; the first rotary cylinder 24 and the second rotary cylinder 25 are respectively used for driving the threaded hose 11 to rotate around the axis from two ends.

There may be various ways of fixing the threaded hose 11 to the first and second rotary cylinders 24 and 25. In this embodiment, the plugging mechanism 21 is fixed on the first rotary cylinder 24 through the end opposite to the end contacting the threaded hose 11; the fixed frame 23 is fixed to the second rotary cylinder 25.

Furthermore, the braiding machine further comprises a traction device (not shown in the figure), and the traction device is used for driving the threaded hose fixing device to move at a constant speed, so that all parts of the threaded hose are sequentially positioned at the braiding position.

Further, the knitting machine further comprises a sliding device, wherein the sliding device comprises a second slide rail 32, a first slider 33 and a second slider 34 which can slide along the second slide rail 32; the first sliding block 33 is fixedly connected with the first rotary cylinder 24, and the second sliding block 34 is fixedly connected with the second sliding block 34; the traction device is connected with the first sliding block 33 or the second sliding block 34 to drive the threaded hose fixing device to move along the second sliding rail.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.