Selvage detector and fabric winding device

Abstract

The utility model discloses a selvage detector which comprises a selvage detection support and four pairs of infrared detection assemblies, the selvage detection support is installed on a machine frame on any side of fabric in the breadth direction, a detection assembly installation groove is formed in the selvage detection support, the detection assembly installation groove is located on the advancing route of the fabric, and the infrared detection assemblies are arranged on the detection assembly installation groove. The groove walls of the detection assemblies are oppositely arranged on the front side and the back side of the fabric, the groove bottoms are opposite to the selvedges of the fabric, each pair of infrared detection assemblies comprises an infrared emitter and an infrared receiver, the four infrared emitters are arranged in a front-back staggered mode in the breadth direction of the fabric, and the four infrared receivers are arranged in a front-back staggered mode in the breadth direction of the fabric. The two pairs of detection assemblies close to the groove bottom are the first group of detection assemblies, the two pairs of detection assemblies away from the groove bottom are the second group of detection assemblies, and the infrared emitter and the infrared receiver in each pair of infrared detection assemblies are installed on the two groove walls respectively. The selvedge detector is installed on the fabric winding device, whether the selvedge position of the fabric deviates or not can be rapidly and accurately judged, and the fabric winding efficiency of the fabric winding device is improved.

Description

Technical Field

[0001] The utility model relates to the field of textile equipment, in particular to a fabric edge detector and a fabric winding device. Background Art

[0002] The utility model patent of China Patent No. 201921699659.5 discloses a winding inspection machine with an oscillation adjustment mechanism, wherein a connecting rod is arranged on the winding frame and along the axial direction of the winding roller, and connecting rings are slidably connected to both ends of the connecting rod, and a support plate is fixedly connected to the connecting ring, and the support plate includes a vertical plate, a first horizontal plate and a second horizontal plate, and the vertical plate is fixedly connected to the connecting ring, and the cloth is located between the first horizontal plate and the second horizontal plate. Infrared sensors are arranged on the side walls of the first horizontal plate and the second horizontal plate that are arranged opposite to each other, and an optical path is formed between the two infrared sensors. When the cloth deviates and blocks the optical path between the two infrared sensors, the motor drives the winding frame to deviate in the corresponding direction until the cloth no longer blocks the optical path formed between the two infrared sensors, and the winding frame stops sliding. When the winding inspection machine is winding a large shaft and the winding diameter is large, as the thickness of the fabric edge increases, the edge of the fabric is more likely to be loose and wrinkled after winding. At this time, if the edge of any side is not detected, the infrared sensor will not be able to detect the edge of the fabric, which will affect the accuracy of the detection. In addition, the position of the infrared sensor needs to be adjusted for winding fabrics of different widths. Therefore, it is necessary to improve the existing winding device structure. Summary of the invention

[0003] One purpose of the utility model is to provide a cloth edge detector.

[0004] The technical solution to achieve the first object of the utility model is: a fabric edge detector, which includes a detection bracket and four pairs of infrared detection components, the detection bracket is installed on a frame on either side of the fabric width direction, the detection bracket is provided with a detection component installation slot, the detection component installation slot is located on the travel path of the fabric, the detection component installation slot has a slot bottom and two slot walls, the two slot walls are arranged opposite to each other on the front and back sides of the fabric, the slot bottom is opposite to the fabric edge, each pair of the infrared detection components includes an infrared transmitter and an infrared receiver, The four infrared transmitters are staggered front and back along the width direction of the fabric, the two adjacent pairs of infrared detection components close to the groove bottom are the first group of detection components, the installation positions of the detection components close to the groove bottom in the first group of detection components are also close to the fabric feeding end side of the fabric, the two adjacent pairs of infrared detection components away from the groove bottom are the second group of detection components, the infrared transmitters and the infrared receivers in each pair of infrared detection components are respectively installed on the groove walls on the front and back sides of the fabric; the infrared detection components are communicatively connected to the control system.

[0005] The cloth edge detector realized by the first object of the utility model is installed on any side of the fabric in the width direction, which is a single-sided cloth edge detection. When one pair of detection components in a group of detection components is blocked and the other pair is not blocked, the fabric is in a normal position, that is, the cloth edge of the fabric is between the two pairs of detection components. If the two pairs of infrared detection components in the same group of detection components are not blocked or are blocked, the cloth edge of the fabric deviates from the normal position. At this time, the detector sends a signal, and the deviation correction device is started to move the fabric to the left or right until one of the detectors is not blocked or is blocked. Compared with the existing technology where there are two curling variables in the cloth edge detection on both sides, the missed detection rate can be significantly reduced, and it can be used for cloth edge detection of fabrics of different widths without adjusting the position. It is a detection device with fast tracking speed, high detection accuracy, good anti-interference ability and reliable performance.

[0006] A second purpose of the utility model is to provide a fabric winding device.

[0007] The technical solution for achieving the second purpose of the utility model is: a fabric winding device, which includes a cloth guide roller and a cloth rolling mechanism arranged in sequence on a frame from the cloth feed end to the cloth outlet end along the fabric travel path, a cloth rolling frame is movably mounted on the frame, the cloth rolling mechanism is mounted on the cloth rolling frame, a transverse movement mechanism for driving the cloth rolling frame to reciprocate in the width direction of the fabric is mounted on the frame, a cloth edge detector as described in the first purpose of the utility model is mounted on the cloth rolling frame, a cloth spreading roller is mounted on the frame on the side of the cloth edge detector close to the cloth feed end; the detection component installation groove is located on the fabric travel path of the fabric between the cloth spreading roller and the cloth rolling mechanism; the infrared detection component and the transverse movement mechanism are respectively communicated with the control system.

[0008] Furthermore, the transverse movement mechanism includes a servo motor, a screw rod, a connecting rod and a pulley rail assembly. A servo motor is respectively installed on the frame on both sides of the width direction of the fabric, and the servo motor is located below the cloth winding mechanism. The screw rod is transmission-connected to the servo motor, and a nut is installed on the screw rod. The screw rod is arranged parallel to the cloth guide roller, one end of the connecting rod is fixed to the nut, and the other end of the connecting rod is fixedly connected to the bottom of the cloth winding frame, and the pulley rail assembly is respectively installed on the side where each screw rod is located, and the pulley rail assembly includes a pulley and a rail, the pulley is installed at the bottom of the cloth winding frame, and the rail is installed on the frame, the rail is parallel to the axial direction of the cloth guide roller, and the pulley and the rail are slidably connected.

[0009] Furthermore, a cloth stretching roller is installed on the frame of the cloth edge detector on the side close to the cloth outlet end, and the cloth stretching roller includes a roller body, and the roller body is in a long olive shape with an outer diameter gradually decreasing from the middle of the roller body to both ends of the roller body.

[0010] The fabric edge detector of the fabric winding device realized by the second purpose of the present invention is installed on one side of the fabric in the width direction, and a cloth spreading roller is installed at the front end of the fabric edge detector. The cloth spreading roller can prevent the fabric from curling to a certain extent. Compared with the structure in which infrared sensors are installed on both sides, the present application can detect the changes of the fabric edges on both sides on a single side, with a low missed detection rate, thereby improving the working efficiency of the winding device; and the fabric edge detector can also be used for the staggered edge rolling of the fabric to ensure that the fabric edges are staggered and flush, thereby improving the rewinding quality of the fabric winding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the front view of the fabric winding device according to an embodiment of the utility model; wherein the arrow represents the travel route of the fabric;

[0012] Figure 2 for Figure 1 The left-side structural schematic diagram does not include the cloth-stretching roller;

[0013] Figure 3 It is a schematic diagram of a partial perspective structure of a cloth edge detector according to an embodiment of the utility model from a top view;

[0014] Figure 4 This is a schematic diagram of a longitudinal cross-sectional structure of a cloth edge detector according to an embodiment of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the cloth-stretching roller of the utility model. DETAILED DESCRIPTION

[0016] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0017] like Figure 1 to Figure 5As shown, a fabric winding device comprises a cloth guide roller 1 and a cloth rolling mechanism 2 which are sequentially arranged on a frame 10 along a fabric travel route from a cloth feed end 101 to a cloth outlet end 102, a cloth rolling frame 3 is movably mounted on the frame 10, the cloth rolling mechanism 2 is mounted on the cloth rolling frame 3, a transverse movement mechanism 4 which drives the cloth rolling frame 3 to reciprocate in the width direction of the fabric 100 is mounted on the frame 10, a cloth edge detector 5 is mounted on the cloth rolling frame 3, a cloth spreading roller 6 is mounted on the frame on the side of the cloth edge detector 5 close to the cloth feed end 101, a cloth stretching roller 7 is mounted on the frame 10 on the side of the cloth edge detector 5 close to the cloth outlet end 102, the cloth stretching roller 7 comprises a roller body 71, and the roller body 71 is in a long olive shape with an outer diameter gradually decreasing from a middle portion 711 of the roller body to two ends 712 of the roller body.

[0018] like Figure 3 and Figure 4 As shown, the edge detector 5 includes an edge detection bracket 51 and four pairs of infrared detection components 52. The edge detection bracket 51 is installed on the frame 10 on the right side of the width direction of the fabric 100. A detection component installation groove 511 is opened on the edge detection bracket 51. The detection component installation groove 511 is located on the travel path of the fabric between the spreading roller 6 and the cloth stretching roller. The detection component installation groove 511 has a groove bottom 5111 and two groove walls 5112. The two groove walls 5112 are arranged opposite to each other on the front and back sides of the fabric 100. The groove bottom 5111 is opposite to the edge 1001 of the fabric 100. Each pair of infrared detection components 52 includes an infrared transmitter 521 and an infrared receiver 522. The four infrared transmitters 521 are staggered front and back along the width direction of the fabric 100. Two pairs of adjacent detection components 52 near the groove bottom The infrared detection components 52 of the first detection component group are close to the groove bottom 5111 and close to the fabric feed end 102, and the two pairs of adjacent detection components 52 facing away from the groove bottom are close to the groove bottom 5111 and close to the fabric feed end 102. The infrared transmitter 521 and the infrared receiver 522 of each pair of infrared detection components 52 are respectively installed on the groove wall 5112 on the front and back sides of the fabric 100; the infrared detection components 52 and the transverse movement mechanism 4 are respectively connected to the control system (not shown) for communication.

[0019] The transverse movement mechanism 4 includes a servo motor 41, a screw rod 42, a connecting rod 43 and a pulley rail assembly 44. A servo motor 41 is respectively installed on the frame 10 on both sides of the width direction of the fabric 100. The servo motor 41 is located below the cloth rolling mechanism 2. The screw rod 42 is transmission-connected to the servo motor 41. A nut 45 is installed on the screw rod 42. The screw rod 42 is arranged parallel to the cloth guide roller 11. One end 431 of the connecting rod 43 is fixed to the nut 45. The other end 432 of the connecting rod 43 is fixedly connected to the bottom of the cloth rolling frame 3. Two pulley rail assemblies 44 are respectively installed on the side where each screw rod 42 is located. The pulley rail assembly 44 includes a pulley 441 and a slide rail 442. The pulley 441 is installed at the bottom of the cloth rolling frame 3, and the slide rail 442 is installed at the frame 10. The slide rail 442 is parallel to the axial direction of the cloth guide roller 11, and the pulley 441 is slidably connected to the slide rail 442.

[0020] During operation, the fabric is pulled by the cloth guide roller, the cloth spreading roller, and the cloth tensioning roller to the cloth rolling mechanism for rolling. During this process, the fabric will pass through the cloth edge detector. Under normal conditions, the cloth edge is between the first group of detection components and the second group of detection components. At this time, the first group of detection components is blocked, while the second group of detection components is not blocked; if both pairs of infrared detection components in the first detection component are not blocked, it means that the fabric is biased to the left, the first detection component sends a signal to the control system, the control system sends a command to the servo motor, the screw rod rotates in the positive direction, and the cloth rolling frame and the cloth rolling mechanism on the cloth rolling frame move to the right until the cloth edge is located between the first group of detection components and the second group of detection components, thereby making the cloth edge of the fabric flush; if both pairs of infrared detection components in the second detection component are blocked, it means that the fabric is biased to the right, the second detection component sends a signal to the control system, the control system sends a command to the servo motor, the screw rod rotates, and the cloth rolling frame and the cloth rolling mechanism on the cloth rolling frame move to the left until the cloth edge is located between the first group of detection components and the second group of detection components, thereby making the cloth edge of the fabric flush.

[0021] The structure of the transverse movement mechanism of the utility model is not limited to that shown in the embodiment, and can also be other conventional linear reciprocating motion structures in the mechanical field such as gear rack linear reciprocating motion mechanism; the cloth stretching roller is set according to needs, and the addition of the cloth stretching roller can generate a certain tension in the middle of the fabric, so that the cloth roll is flat and wrinkle-free after rolling; in addition, the terms "first" and "second" are only used to distinguish between the same structural parts, and cannot be understood as indicating or implying relative importance.

[0022] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A cloth edge detector, characterized in that: The invention discloses a method for fabric weaving machine, comprising: providing an edge detection bracket and four pairs of infrared detection components, wherein the edge detection bracket is installed on a frame on any side of the fabric in the width direction, the edge detection bracket is provided with a detection component installation slot, the detection component installation slot is located on the travel route of the fabric, the detection component installation slot has a slot bottom and two slot walls, the two slot walls are arranged opposite to each other on the front and back sides of the fabric, the slot bottom is opposite to the fabric edge of the fabric, each pair of the infrared detection components comprises an infrared transmitter and an infrared receiver, four infrared transmitters are arranged staggered front and back along the width direction of the fabric, two pairs of adjacent infrared detection components close to the slot bottom constitute a first group of detection components, the installation position of the detection components close to the slot bottom in the first group of detection components is also close to the fabric feeding end of the fabric, two pairs of adjacent infrared detection components away from the slot bottom constitute a second group of detection components, the infrared transmitter and the infrared receiver in each pair of the infrared detection components are respectively installed on the slot walls on the front and back sides of the fabric; the infrared detection components are communicatively connected with a control system.

2. A fabric winding device, characterized in that: It includes cloth guide rollers and cloth winding mechanisms which are sequentially arranged on a frame from a cloth feed end to a cloth discharge end along a fabric travel route; a cloth winding frame is movably mounted on the frame; the cloth winding mechanism is mounted on the cloth winding frame; a transverse movement mechanism for driving the cloth winding frame to reciprocate in the width direction of the fabric is mounted on the frame; a fabric edge detector as claimed in claim 1 is mounted on the cloth winding frame; a cloth spreading roller is mounted on the frame on the side of the fabric edge detector close to the cloth feed end; the detection component mounting groove is located on the fabric travel route between the cloth spreading roller and the cloth winding mechanism; the infrared detection component and the transverse movement mechanism are respectively connected to the control system for communication.

3. The fabric winding device according to claim 2, characterized in that: The transverse movement mechanism includes a servo motor, a screw rod, a connecting rod and a pulley rail assembly. A servo motor is respectively installed on the frame on both sides of the fabric width direction, the servo motor is located below the cloth winding mechanism, the screw rod is transmission connected to the servo motor, a nut is installed on the screw rod, the screw rod is arranged parallel to the cloth guide roller, one end of the connecting rod is fixed to the nut, and the other end of the connecting rod is fixedly connected to the bottom of the cloth winding frame, and the pulley rail assembly is respectively installed on the side of each screw rod, the pulley rail assembly includes a pulley and a slide rail, the pulley is installed at the bottom of the cloth winding frame, the slide rail is installed on the frame, the slide rail is parallel to the axial direction of the cloth guide roller, and the pulley and the slide rail are slidably connected.

4. The fabric winding device according to claim 2, characterized in that: A cloth stretching roller is installed between the cloth rolling mechanism and the cloth edge detector. The cloth stretching roller includes a roller body. The roller body is in a long olive shape with an outer diameter gradually decreasing from the middle of the roller body to both ends of the roller body.

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