WO2014198024A1

WO2014198024A1 - Gathering device used by spinning machine for gathering fibrous strip

Info

Publication number: WO2014198024A1
Application number: PCT/CN2013/077117
Authority: WO
Inventors: 王卫; 徐时平
Original assignee: 韵升控股集团有限公司; 宁波德昌精密纺织机械有限公司
Priority date: 2013-06-10
Filing date: 2013-06-10
Publication date: 2014-12-18
Also published as: CN105378163A; CN105378163B

Abstract

A gathering device used by a spinning machine for gathering fibrous strips, the device comprising gathering rollers, a gathering tube, a reinforcing component, a conveyor belt, and a wear-resistant part; the wear-resistant part wraps around the periphery of the gathering tube, with the two ends of the wear-resistant part being open; the two ends of the wear-resistant part are fixed within a through slot receiving the reinforcing component on the surface of the gathering tube; the wear-resistant part is provided with an air suction gap thereon and an elastic tensioning rod in the middle; the conveyor belt is sleeved on the gathering tube and the wear-resistant part, and is tightened by the elastic tensioning rod disposed in the middle of the wear-resistant part. The present invention adds between a conveyor belt and a gathering tube a replaceable wear-resistant part capable of tensioning the conveyor belt, so that the gathering tube can be used on a long term basis without being changed as a whole, and the wear-resistant part can elastically support the conveyor belt, thus eliminating a gap between the conveyor belt and the gathering tube, and greatly reducing parts interchangeability and manufacturing cost; in addition, an air suction gap in compliance with spinning requirements can be easily made on the wear-resistant part, thus being convenient to replace, of low cost, and also improving production efficiency.

Description

Aggregation device for collecting fiber strips of a spinning machine

Technical field

The present invention relates to a component of a spinning device, and more particularly to a collecting device for collecting fiber strands disposed between a spinning drafting device and a twisting device.

Background technique

A device for collecting a fiber strand as disclosed in German Patent Publication No. DE 19903113 A1, the sliding surface of which is formed by a thin metal film having a window gap suitable for the contour of the suction slit. The gap is slightly smaller than the suction gap. This metal film can be designed as an open strip with two joints, which are located outside the sliding surface, the width of the metal film corresponding to the width of the conveyor belt, the suction passage extending through a plurality of spinning positions and at each A single thin metal film is included in one of the spinning positions. These metal films must be replaced frequently due to wear. In the case of replacement, the suction passage must be removed from the machine, and the entire metal film is first removed by lateral pushing, and then a new metal film is installed, so the replacement is time consuming and troublesome. In addition, due to manufacturing errors of the metal film and the conveyor belt, the gap between the metal film and the conveyor belt is large and small, and it is more likely to wrinkle and wear.

Chinese Patent Publication No. CN102505212A discloses a collecting device for a spinning fiber concentrating fiber strip, comprising a collecting roller, a collecting tube, a reinforcing member and a conveyor belt, and providing a passage through the entire collecting pipe end near the end of the suction pipe of the collecting pipe. The through groove of the reinforcing member is placed, the reinforcing member is rotatably disposed in the through groove, rotates under the action of the tangential force of the collecting roller, and forms rolling friction with the conveying belt, thereby overcoming the sliding of the original reinforcing member and the conveying belt Friction belt wear problems caused by friction, reducing the frictional resistance of the conveyor belt, greatly improving the service life, production efficiency and product quality of the conveyor belt, reducing operating costs. However, the conveyor belt and the collecting tube still have sliding friction at other contact parts, because the base of the collecting tube is drawn by the aluminum alloy with lower hardness, and the long-term use causes the wear of the collecting tube, so that the collecting tube is worn. The whole replacement is required, and the replacement cost is high. At the same time, since the suction joint on the collecting pipe is processed once, once the shape is determined, it cannot be changed. If the user needs to spin different yarns, an additional collecting pipe is required. , bringing greater cost pressure, and replacing the collecting tube is time-consuming and labor-intensive, and the production efficiency is low.

technical problem

The technical problem to be solved by the present invention is to overcome the above-mentioned drawbacks of the prior art and to provide a collecting device for collecting fiber strips of a spinning machine, which is easy to manufacture, replace, and has low production cost and high production efficiency.

Technical solution

The technical solution adopted by the invention to solve the above technical problems is: a collecting device for collecting fiber strips of a spinning machine, comprising a collecting roller, a collecting tube, a reinforcing member, a conveying belt, and a wear-resistant member, and the wear-resistant member is open at both ends Covered on the outer circumference of the collecting tube, the two ends of the wear-resistant member are fixed in the through groove of the reinforcing member on the surface of the collecting tube, and the elastic tensioning rod is arranged in the middle of the wear-resistant member. An aspirating seam is arranged on the wear-resistant member, and the conveyor belt is sleeved on the collecting tube and the wear-resistant member, and is tensioned by the elastic tensioning rod in the middle of the wear-resistant member.

The end of the elastic tensioning rod of the above-mentioned wear-resistant member is curved into an arc shape, so that the elasticity is better, and the tight fit of the conveyor belt and the wear-resistant member is more suitable.

The elastic tensioning rod ends of the wear-resistant member are turned at both ends, and the conveyor belt is placed in the flange of the two ends, and the elastic tensioning rod not only acts as a tension, but also limits the movement track of the conveyor belt.

A connecting mechanism is disposed at a position corresponding to the central portion of the wear-resistant member and the collecting tube, so that the wear-resistant member can be better fixed to the collecting tube.

The connecting mechanism may be a fixing hole provided in a middle portion of the wear-resistant member and a threaded hole provided at a corresponding position of the collecting tube, and axially positioning and fastening the wear-resistant member with a screw.

The connecting mechanism may also be: a fixing boss or a spherical boss corresponding to the collecting pipe groove in the middle of the wear-resistant member, and the axial direction and elasticity of the wear-resistant member are obtained by the fixing boss or the spherical boss being engaged into the collecting pipe groove. fixed.

The wear-resisting elastic tensioning rod may also be divided into two parts: an elastic supporting piece provided at both ends or a middle portion of the wear-resistant member in the width direction and a tensioning rod main body fixed to the elastic supporting piece.

The middle of the tensioning rod body is a smooth circular shaft, and the two ends are limit members, and the smooth round shaft portion is larger than the width of the conveyor belt, so that the conveyor belt can be limited by the limiting member.

The elastic supporting piece is embedded in the tensioning rod main body, which facilitates the fixing of the elastic supporting piece and the tensioning rod main body.

The two ends of the main body of the tensioning rod may also be connected to the wear-resistant member through a bearing, and a limiting member is arranged on the main body of the tensioning rod, and the movement track of the conveyor belt is restricted by the limiting member.

The suction joints on the above-mentioned wear parts are single-slot, double-slot, and three-slot to adapt to various production situations.

Beneficial effect

The invention adds a wearable part between the conveyor belt and the collecting tube, which can be easily replaced and can be tensioned, so that the long-term use of the collecting tube does not need to be replaced as a whole, and the wearing part can elastically support the conveying belt, eliminating The gap between the conveyor belt and the collecting tube greatly reduces the interchangeability and manufacturing cost of the parts, and it is easy to manufacture the suction joint according to the spinning requirement on the wear-resistant part, the replacement is convenient, the cost is low, and the production efficiency can be improved.

DRAWINGS

Figure 1 is a schematic view showing the structure of a conventional compact spinning device.

2 is a schematic view showing the structure of a collecting device for a gathered fiber strand in a conventional compact spinning device.

FIG. 3 is a schematic structural diagram of a collecting device according to an embodiment of the present invention.

Figure 4 is an exploded view of Figure 3.

FIG. 5 is a schematic structural view of a collecting device according to another embodiment of the present invention.

6 is a schematic structural view of an embodiment of an elastic tensioning rod of a wear part according to the present invention.

7 is a schematic structural view of another embodiment of an elastic tensioning rod of a wear part according to the present invention;

Figure 8 is a schematic view showing the structure of another embodiment of the elastic tensioning rod of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiments of the invention

The invention is further described below in conjunction with the embodiments of the drawings.

Figure 1 and Figure 2 show the device for collecting the fiber strips of the spinning machine, which is the key equipment of the gathering spinning technology, which is interposed between the drafting device 1 of the spinning machine and the twisting device 6, which mainly comprises: a belt pumping a suction duct 4, a collecting duct 4 of the suction slit 8 extending substantially in the conveying direction, a gas permeable conveying belt 3 which is carried by the tensioning pulley 7 and the collecting roller 2 and which is sleeved on the collecting duct 4, and is disposed in the collecting duct 4 A friction-reducing reinforcing member 5 of the upper conveying region.

Also shown in Fig. 1 is a partial mechanism of the drafting device: a pair of output drafting roller pairs and a pair of front apron pairs, which are drawn to the gathering zone or compaction zone after being drawn. After the fiber strip is drawn by the drafting device in the conveying direction, the output is pulled by the output of the drafting device, and then enters the gathering area, and the fiber strip is collected and conveyed to the twisting device by the conveyor belt and the collecting roller.

In the collecting device of Fig. 2, the collecting pipe 4 extends to a plurality of spinning positions, and a reinforcing member 5 capable of reducing sliding friction and rolling friction is provided in the through groove. The pressure between the collecting roller 2 and the reinforcing member 5 and the tensioning pulley 7 enable the gas permeable conveyor belt 3 to move in synchronism with the yarn in synchronization with the rotation of the collecting roller 2.

3 is a collecting device designed according to the present invention, comprising a collecting roller, a collecting tube, a reinforcing member, a conveying belt and a wear-resistant member 6. The wear-resistant member 6 is open-covered on the outer circumference of the collecting tube 4, and the two-end interface 61 is disposed at An elastic tensioning rod 65 integrally formed with the wear-resistant member 6 is disposed in the middle of the wear-resistant member through the through groove 9 in which the reinforcing member 5 is placed throughout the surface of the collecting tube.

As shown in FIG. 4, in order to better fix the wear-resistant member 6, a fixing hole 62 is disposed in the middle of the wear-resistant member, a threaded hole is disposed at a corresponding position of the collecting pipe, and the wear-resistant member 6 is axially positioned and tightened by the screw 64. solid.

As shown in FIG. 5, a fixing boss 67 may be disposed in the middle of the wear-resistant member 6, and correspondingly, a groove 47 is provided in the wear-resistant member, and the axial direction of the wear-resistant member is obtained by the engagement of the boss 67 with the groove 47. Positioning and elastic fixation.

6 is an embodiment of the wear-resisting elastic tensioning rod 65. The end of the elastic tensioning rod 65 which is formed by bending in the middle of the wear-resistant member can be bent into an arc shape, so that the elasticity is better, and the conveyor belt and the wear-resistant part can be more adapted. Close cooperation. The elastic tensioning rod 65 has a flange 66 at both ends, and the elastic tensioning rod not only acts as a tension but also limits the movement track of the conveyor belt.

The two ends of the main body of the tensioning rod may also be connected to the wear-resistant member through a bearing, and a limiting member is arranged on the wear-resistant member, and the movement track of the conveyor belt is restricted by the limiting member.

7 is another embodiment of the elastic tensioning rod of the wear-resistant member, the elastic tensioning rod 65 of the wear-resistant member can be divided into two parts: an elastic supporting piece 651 disposed at two ends or a middle portion of the width direction of the wear-resistant member and fixed to the elastic support A tensioning rod body 652 on the sheet.

The middle of the tensioning rod body is a smooth circular shaft 652, and the two ends are a limiting member 653. The smooth circular shaft portion is larger than the width of the conveyor belt, so that the conveyor belt 4 can be restricted by the limiting member 653.

The elastic supporting piece 651 is inserted into the tensioning rod main body 652 through the slit 654 on the tensioning rod main body 652, so that the fixing of the elastic supporting piece and the tensioning rod main body can be facilitated.

Claims

The utility model relates to a collecting device for collecting fiber strips of a spinning machine, comprising a collecting roller, a collecting tube, a reinforcing member and a conveying belt, characterized in that: a wear-resistant member is further disposed, and the two ends of the wear-resistant member are openly coated on the outer circumference of the collecting tube, and are resistant to The two ends of the grinding member are fixed in the through groove of the reinforcing member on the surface of the collecting tube, and the elastic tensioning rod is arranged in the middle of the wear-resistant member. An aspirating seam is arranged on the wear-resistant member, and the conveyor belt is sleeved on the collecting tube and the wear-resistant member, and is tensioned by the elastic tensioning rod in the middle of the wear-resistant member.
The concentrating device for a spinning fiber concentrating fiber strip according to claim 1, wherein the elastic tensioning rod end of the wear member is curved in an arc shape.
The aggregating device for a spinning fiber concentrating fiber strip according to claim 1 or 2, wherein the end of the elastic tensioning rod of the wear-resistant member is turned at both ends, and the conveyor belt is placed in the flange of the two ends. .
The concentrating device for a spinning fiber concentrating fiber strip according to claim 1 or 2, wherein a connecting mechanism is disposed at a position corresponding to the collecting pipe at a middle portion of the wear-resistant member.
The concentrating device for a spinning fiber concentrating fiber strip according to claim 4, wherein the connecting mechanism is a fixing hole provided in a middle portion of the wear-resistant member and a threaded hole at a corresponding position of the collecting pipe, and is used The screws axially position and fasten the wear parts.
The concentrating device for a spinning fiber concentrating fiber strip according to claim 4, wherein the connecting mechanism is also: a fixing boss or a spherical boss which is disposed in the middle of the wear-resistant member and adapted to the collecting pipe groove The axial direction and elastic fixing of the wear-resistant member are achieved by the fixing boss or the spherical boss being engaged into the collecting tube groove.
The aggregating device for a spinning fiber concentrating fiber strip according to claim 1, wherein the wear-resistant member elastic tensioning rod is divided into two parts: an elastic support provided at both ends or a middle portion of the wear-resistant member width direction a sheet and a tensioning rod body fixed to the elastic support sheet.
The concentrating device for a spinning fiber concentrating fiber strip according to claim 1, wherein the tensioning rod body has a smooth circular shaft in the middle, the limiting ends are at both ends, and the smooth circular shaft portion is larger than the conveying belt. width.
A collecting device for a spinning fiber concentrating fiber strand according to claim 1, wherein said elastic supporting piece is embedded in the tension bar main body.
The concentrating device for a spinning fiber concentrating fiber strip according to claim 1, wherein the two ends of the tensioning rod body are connected to the wear-resistant member through a bearing, and the limiting member is disposed on the tensioning rod body. The movement path of the conveyor belt is limited by the limit member.