CN217123958U

CN217123958U - Fabric pipe sleeve stretching mechanism

Info

Publication number: CN217123958U
Application number: CN202121018635.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Yifeng Medical Technology Dongguan Co ltd
Current assignee: Yifeng Medical Technology Dongguan Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-08-05
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a fabric pipe sleeve stretching mechanism, which comprises an upper material passing shaft, a lower material passing shaft, a positioning jig and a material conveying motor component; the upper material passing shaft is positioned above the lower material passing shaft, and the cloth is positioned on one side of the upper material passing shaft and extends along the direction from the upper material passing shaft to the lower material passing shaft; the positioning jig is used for fixing the tubular piece, the material conveying motor assembly is arranged on one side of the positioning jig and used for driving the positioning jig to translate, so that the tubular piece passes through the space between the upper material passing shaft and the lower material passing shaft, and the tubular piece is wrapped by the material distribution; the utility model has the advantages that: can carry out automatic tensile to the fabric pipe box, improve degree of automation to realize the automatic welding of fabric pipe box and cut.

Description

Fabric pipe sleeve stretching mechanism

Technical Field

The utility model relates to a medical product apparatus for producing technical field, more specifically the utility model relates to a fabric pipe box drawing mechanism that says so.

Background

Medical respiratory masks, particularly those used for non-invasive positive pressure ventilation therapy, are typically worn by a user about the head of the patient with a specialized headgear that secures the mask in a specific position on the patient's face (e.g., nasal, oronasal, or full face) for therapy. As is known, the head strap can be divided into two types, a flat head strap and a solid head strap, and generally comprises a main strap portion that encircles the head of the patient and upper and lower straps that are connected to respective fixing points of the breathing mask.

Since the medical breathing mask needs to be worn for a long time, in order to improve the wearing comfort, a fabric pipe sleeve is sleeved on a position where the bandage is contacted with the skin of a human body in general. Because the fabric pipe sleeve has certain elasticity, when the fabric pipe sleeve is welded and cut to the binding belt, the fabric pipe sleeve needs to be stretched, in the prior art, manual stretching is generally adopted, or stretching is realized by manually operating a machine, and the mode has low efficiency and cannot continuously realize stretching and welding and cutting of the fabric pipe sleeve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a fabric pipe box drawing mechanism can carry out the drawing of automation to the fabric pipe box, has improved degree of automation to in the automation of realizing the fabric pipe box weld and cut.

The utility model provides a technical scheme that its technical problem adopted is: the improvement of the fabric pipe sleeve stretching mechanism is that the fabric pipe sleeve stretching mechanism comprises an upper material passing shaft, a lower material passing shaft, a positioning jig and a material conveying motor assembly;

the upper material passing shaft is positioned above the lower material passing shaft, and the cloth is positioned on one side of the upper material passing shaft and extends along the direction from the upper material passing shaft to the lower material passing shaft;

the positioning jig is used for fixing the tubular piece, the material conveying motor assembly is arranged on one side of the positioning jig and used for driving the positioning jig to move horizontally, the tubular piece penetrates through the upper material passing shaft and the lower material passing shaft, and the tubular piece is wrapped by the cloth.

In the structure, the fabric pipe sleeve stretching mechanism further comprises a pressing mechanism, the pressing mechanism comprises an upper pressing assembly and a lower pressing assembly which are identical in structure, the upper pressing assembly comprises a pressing cylinder and a pressing plate, the pressing plate is connected with a cylinder rod of the pressing cylinder, and the pressing of the fabric is achieved through the driving of the pressing cylinder.

In the structure, two ends of the upper feeding shaft are rotatably arranged at the bottom end of an upper feeding shaft mounting block, a cloth pressing plate is also fixedly arranged on the upper feeding shaft mounting block, and the cloth is pressed on the cloth pressing plate by the cloth pressing plate;

the cloth pressing device is characterized in that two ends of the lower feeding shaft are rotatably arranged at the top end of the lower feeding shaft mounting block, a cloth pressing plate is fixedly arranged on the lower feeding shaft mounting block, and cloth is pressed on the cloth pressing plate by the cloth pressing plate.

In the structure, the material conveying motor assembly comprises a material conveying motor, a rotating screw rod and a screw rod sliding block;

the one end of rotating the lead screw is connected with the output of fortune material motor, the lead screw slider setting on rotating the lead screw, and the fixed lead screw connecting block that is provided with on the lead screw slider, this lead screw connecting block is connected with the positioning jig, positioning jig slidable mounting is on first slide rail.

In the above structure, the positioning jig comprises a jig positioning plate, a first jig mounting block, a second jig mounting block and a product positioning block;

the first jig mounting block and the second jig mounting block are fixed on the jig positioning plate in a detachable mode and are opposite to each other, a jig body used for achieving positioning of one end of the tubular piece is arranged on the first jig mounting block, the product positioning block is fixed on the second jig mounting block and used for achieving positioning of the other end of the tubular piece.

In the above structure, the positioning jig further comprises a cloth pulling rod, one end of the cloth pulling rod is fixed on the second jig mounting block, and the other end of the cloth pulling rod faces the jig body and is reserved with a gap.

In the structure, the jig body is provided with a clamping groove with an oval cross section, and one end of the fabric pipe sleeve is positioned through the clamping groove.

In the structure, the jig positioning plate is provided with a positioning hole, and positioning columns are arranged below the first jig mounting block and the second jig mounting block.

In the structure, the second jig mounting block is further provided with a cloth pulling rod mounting block, and one end of the cloth pulling rod is fixed on the cloth pulling rod mounting block.

The beneficial effects of the utility model are that: the automatic welding and cutting device is suitable for automatic welding and cutting of cloth of a tubular piece with a certain curve and radian to form a fabric pipe sleeve; the whole process does not need manual participation, and the automation degree is high. Meanwhile, the breathing mask pipeline is coated in situ while the pipe sleeve is processed by welding and cutting, so that a secondary assembly process is avoided, and the production efficiency can be greatly improved; additionally, adopt the utility model provides a fabric pipe box of processing equipment and method processing can closely wrap up respirator's pipeline, and only one welding seam has promoted the travelling comfort and the whole outward appearance visual effect that respirator product wore.

Drawings

Fig. 1 is a schematic perspective view of a fabric pipe sleeve stretching mechanism according to the present invention.

Fig. 2 is a schematic structural diagram of the compressing assembly, the upper material passing shaft and the lower material passing shaft of the fabric pipe sleeve stretching mechanism of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the positioning fixture of the present invention.

Fig. 4 is an exploded view of the positioning fixture of the present invention.

Fig. 5 is a schematic structural view of a tubular member of a processing device for forming and in-situ assembling a fabric pipe sleeve according to the present invention.

Fig. 6 is a schematic structural view of a fabric wrapping tubular member of a processing device for fabric pipe sleeve forming and in-situ assembling according to the present invention.

Fig. 7 is a schematic view of a partial structure of a tubular member of a processing device for forming and in-situ assembling a fabric pipe sleeve according to the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations related in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 and 2, the fabric tube sleeve stretching mechanism of the present invention has the functions of positioning, fixing, stretching a tubular member, bearing a positioning fixture and horizontally moving the tubular member on the positioning fixture, and realizing the pre-stretching of the fabric to the package of the tubular member and the fabric of the package section, and specifically, the mechanism includes an upper material passing shaft 301, a lower material passing shaft 302, a positioning fixture 40, a material pressing mechanism 304 and a material transporting motor assembly 305; the upper material passing shaft 301 is positioned above the lower material passing shaft 302, and the cloth is positioned on one side of the upper material passing shaft 301 and extends along the direction from the upper material passing shaft 301 to the lower material passing shaft 302; referring to fig. 2, two ends of the upper feeding shaft 301 are rotatably mounted at the bottom end of an upper feeding shaft mounting block 3011, two ends of the lower feeding shaft 302 are rotatably mounted at the top end of a lower feeding shaft mounting block 3021, and an upper pressing mounting plate 3012 is further fixedly disposed on the upper feeding shaft mounting block 3011.

Further, as shown in fig. 1, the positioning fixture 40 includes a cloth stretching rod 405, the material transporting motor assembly 305 is disposed at one side of the positioning fixture 40, and the material transporting motor assembly 305 is configured to drive the positioning fixture 40 to move horizontally, so that the fixture 40 carries the tubular member to pass through between the upper material passing shaft 301 and the lower material passing shaft 302, and drives the cloth 306 to wrap the tubular member; the material pressing mechanism 304 is arranged at one side of the upper material passing shaft 301 and one side of the lower material passing shaft 302 and is used for realizing the compression of two ends of the cloth 306 wrapping the tubular piece after the tubular piece is wrapped by the cloth 306; in this embodiment, as described with reference to fig. 2, the material pressing mechanism 304 includes an upper material pressing assembly 3041 and a lower material pressing assembly 3042 which have the same structure, in this embodiment, the structure of the upper material pressing assembly 3041 is described in detail, the upper material pressing assembly 3041 includes a material pressing cylinder 3043 and a material pressing plate 3044, the material pressing plate 3044 is connected to a cylinder rod of the material pressing cylinder 3043, and the material pressing cylinder 3043 drives the material pressing mechanism to press the cloth 306. Similarly, the lower pressing assembly 3042 includes a pressing cylinder 3046 and a pressing plate 3047, the pressing plate 3047 is connected to a cylinder rod of the pressing cylinder 3046, and the pressing of the fabric 306 is realized by the driving of the pressing cylinder 3046. A cloth pressing plate 3045 is also fixedly arranged on the upper feeding shaft mounting block 3011, and the cloth 306 is pressed on the cloth pressing plate 3045 by the material pressing plate 3044; similarly, a cloth pressing plate 3048 is also fixedly arranged on the lower feed shaft mounting block 3021, and the cloth 306 is pressed on the cloth pressing plate 3048 by the material pressing plate 3047.

In the above embodiment, the upper material pressing mounting plate 3012 is fixedly connected to the upper feeding shaft mounting block 3011, two material pressing cylinders 3043 are mounted on the upper material pressing mounting plate 3012 side by side, the upper material pressing plate 3044 is connected to cylinder rods of the two material pressing cylinders 3043, and the cloth 306 can be pressed onto the cloth pressing plate 3045 of the upper feeding shaft mounting block 3011 by driving of the material pressing cylinders 3043; similarly, the lower pressing assembly 3042 also includes two pressing cylinders 3043, and the lower pressing plate 3044 is connected to the cylinder rods of the two pressing cylinders 3043, and can drive the lower pressing plate 3044 to press the cloth 306 onto the cloth pressing plate 3045 of the lower feeding shaft mounting block 3021.

Through the structure, when the positioning jig 40 is driven by the material conveying motor assembly 305 to horizontally move from the initial position to the direction of material distribution, and the cloth pulling rod 405 and the tubular piece pass through the space between the upper material passing shaft 301 and the lower material passing shaft 302, the material distribution 306 wraps the tubular piece, and the material distribution 306 is compressed by the material pressing mechanism 304; after that, the cloth conveying motor component 305 drives the cloth pulling rod 405 to move and act on the cloth 306 to pre-stretch the cloth 306, the cloth 306 forms a tubular fabric pipe sleeve after welding and cutting, the formed fabric pipe sleeve wraps the tubular piece in situ, and the formed fabric pipe sleeve shrinks after welding and cutting due to certain pre-stretching of the cloth before welding and cutting, the pipe sleeve can be tightly sleeved on the tubular piece, and the change of the section size and the contour curvature of the tubular piece can be automatically matched; therefore, the fabric pipe sleeve can be automatically produced in batches, the automation degree is improved, and the manufacturing cost and the reject ratio can be obviously reduced; the fabric pipe sleeve can be molded and wrapped on a bent or arc-shaped flexible tubular part in situ in one step, and is tightly attached to the tubular part, so that secondary assembly operation is not needed, the process flow is simplified, and the manufacturing cost is remarkably saved. The cloth after the welding is accomplished only has a welding seam, has promoted the travelling comfort and the whole outward appearance visual effect that respirator product wore.

As for the material transporting motor assembly 305, as shown in fig. 1, the present invention provides a specific embodiment, the material transporting motor assembly 305 includes a material transporting motor 3051, a rotary screw 3052 and a screw slider 3053; the one end of rotating lead screw 3052 is connected with fortune material motor 3051's output, lead screw slider 3053 set up on rotating lead screw 3052, and the fixed lead screw connecting block 409 that is provided with on the lead screw slider 3053, this lead screw connecting block 409 is connected with positioning jig 40, positioning jig 40 slidable mounting is on first slide rail 3054.

Referring to fig. 3 and 4, for the positioning fixture 40, the present invention provides a specific embodiment, the positioning fixture 40 includes a fixture positioning plate 401, a first fixture mounting block 402, a second fixture mounting block 403, and a product positioning block 404, wherein two ends of the fixture positioning plate 401 extend along a vertical direction to form two symmetrical extending ends 406, the structure of which is shown in fig. 3, and a square notch is formed at the center of the fixture positioning plate 401; the first jig mounting block 402 and the second jig mounting block 403 are detachably fixed on the jig positioning plate 401 in a manner of being opposite to each other, in the present embodiment, the first jig mounting block 402 and the second jig mounting block 403 are respectively fixed on two extending ends 406, the first jig mounting block 402 is provided with a jig body 407 for positioning one end of the tubular member, in the present embodiment, the jig body 407 is provided with a clamping groove, and fixing and positioning of one end of the tubular member are realized through the clamping groove; it will be appreciated that the tubular member has a cross-sectional shape similar to the slot and has a slightly larger end, so that it can be just clipped into the slot of the jig body 407. The product positioning block 404 is fixed on the second fixture mounting block 403, and the product positioning block 404 is used for positioning the other end of the tubular member, in this embodiment, an upward protruding bump is provided on the product positioning block 404, and an annular fastener is provided on the side wall of the tubular member, and the fastener is just buckled on the bump of the product positioning block 404.

In addition, the cloth spreading rod 405 is arranged between the first jig mounting block 402 and the second jig mounting block 403; in this embodiment, the second fixture mounting block 403 is further provided with a cloth pulling rod mounting block 408, one end of the cloth pulling rod 405 is fixed on the cloth pulling rod mounting block 408, and the other end of the cloth pulling rod 405 faces the fixture body 407 and has a gap reserved between the cloth pulling rod and the fixture body 407. It should be noted that, after the tubular member is mounted on the positioning jig 40, the tubular member can pass through the cloth stretching rod 405, and when the tubular member stretches the cloth, the cloth stretching rod 405 can provide a supporting force to prevent the tubular member from deforming; in another embodiment, the cloth pulling rod 405 is arranged at the front edge of the outer side of the tubular member, and when the tubular member stretches the cloth, the cloth pulling rod 405 can provide a supporting force to prevent the tubular member from deforming; in another aspect, the draw bar 405 may also be removed.

Referring to fig. 5, which is a schematic structural diagram of a curved and arc-shaped tubular member in the above embodiments, the tubular member 100 is hollow and flexible, and is used to be mounted on a medical respiratory mask to serve as a positive pressure air flow transmission pipeline and also to serve as a mask fixing function. As shown in fig. 6, the part of the tubular member 100 contacting with the skin of the human body needs to be wrapped with cloth, so as to form an annular fabric tube sleeve 200 on the tubular member 100. Referring to fig. 7, which is a schematic view of a partial structure of a tubular member 100, when wrapping a fabric, the curved portion needs to be straightened to wrap the fabric, so as to form the structure shown in fig. 6; referring to fig. 3, one end 1001 of the tubular member 100 is clamped on the jig body 407, and the other end 1002 of the tubular member 100 is sleeved on the product positioning block 404, at this time, the structure of the tubular member 100 is shown by the dotted line in fig. 7. Through foretell structure, can realize the location and the drawing of tubulose spare through tool body 407 and product locating piece 404, when tubulose spare has certain crookedness, also can straighten tubulose spare to be convenient for weld cut shaping on tubulose spare the fabric pipe box is favorable to realizing the automation that fabric pipe box weld cut shaping. In addition, the jig positioning plate 401 is provided with positioning holes 410, and positioning columns are arranged below the first jig mounting block 402 and the second jig mounting block 403, so that the first jig mounting block 402 and the second jig mounting block 403 can be detached and mounted from the jig positioning plate 401, thereby facilitating the realization of assembly line type processing. Referring to fig. 3, the screw rod connecting block 409 is fixed to one side of the jig positioning plate 401 so as to drive the jig positioning plate 401 to reciprocate.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. A fabric pipe sleeve stretching mechanism is characterized by comprising an upper material passing shaft, a lower material passing shaft, a positioning jig and a material conveying motor assembly;

2. The fabric pipe sleeve stretching mechanism according to claim 1, further comprising a pressing mechanism, wherein the pressing mechanism comprises an upper pressing assembly and a lower pressing assembly which are identical in structure, the upper pressing assembly comprises a pressing cylinder and a pressing plate, the pressing plate is connected with a cylinder rod of the pressing cylinder, and pressing of the fabric is achieved through driving of the pressing cylinder.

3. The fabric pipe sleeve stretching mechanism as claimed in claim 2, wherein both ends of the upper feed passing shaft are rotatably mounted at the bottom end of an upper feed passing shaft mounting block, a cloth pressing plate is further fixedly arranged on the upper feed passing shaft mounting block, and the cloth is pressed on the cloth pressing plate by the cloth pressing plate;

4. The fabric pipe sleeve stretching mechanism as claimed in claim 1, wherein said material transporting motor assembly comprises a material transporting motor, a rotary screw and a screw slider;

5. The fabric pipe sleeve stretching mechanism according to claim 1, wherein the positioning jig comprises a jig positioning plate, a first jig mounting block, a second jig mounting block and a product positioning block;

6. The fabric pipe sleeve stretching mechanism according to claim 5, wherein the positioning jig further comprises a cloth pulling rod, one end of the cloth pulling rod is fixed on the second jig mounting block, and the other end of the cloth pulling rod faces the jig body and is provided with a gap from the jig body.

7. The stretching mechanism for the fabric pipe sleeve according to claim 5, wherein a clamping groove with an oval cross section is arranged on the jig body, and one end of the fabric pipe sleeve is positioned through the clamping groove.

8. The fabric pipe sleeve stretching mechanism according to claim 5, wherein a positioning hole is formed in the jig positioning plate, and positioning columns are arranged below the first jig mounting block and the second jig mounting block.

9. The fabric pipe sleeve stretching mechanism according to claim 5, wherein the second jig mounting block is further provided with a cloth pulling rod mounting block, and one end of the cloth pulling rod is fixed on the cloth pulling rod mounting block.