A tension-adaptive yarn winding device

Abstract

The utility model provides a tension-adaptive yarn winding device, which comprises a first roller portion for detecting the tension of the winding yarn, a direction conversion roller for guiding the winding yarn, a transfer portion, a second roller portion and a support portion for winding the winding yarn, and a controller for control; by arranging a conveying portion, a pressure roller and a main shaft in parallel, a package can be wound in parallel, and in addition, by changing the rotation speed of the main shaft and the conveying speed of the conveying portion according to the tension change of the winding yarn, the package can be prevented from being unevenly wound and can be wound in parallel.

Description

Technical Field

[0001] The utility model relates to the technical field of yarn processing equipment, in particular to a tension-adaptable yarn winding device. Background Art

[0002] Generally, a yarn winding device is a device that guides the yarn to a bobbin and winds the yarn on the bobbin with a certain width, and is a device that performs the whole process automatically. It is composed of a plurality of rollers that supply and guide the yarn for automatic winding of the yarn, a roller that pressurizes the yarn so that it is wound in a state of being close to the bobbin, a bobbin and a roller for winding the yarn, a driving part for driving each component, and a support structure that sets and supports the plurality of components.

[0003] In the case of elastic yarn, even if the tension (tension) of the yarn changes in the rotating part (spool and drum, etc.) of the winding wire during winding, the yarn itself has elasticity, so it can be wound in synchronization with the speed of the rotating part. However, in the case of inelastic yarn, if the tension changes in the rotating part, the inelastic yarn cannot cope with it, so the yarn may break or it may not be wound normally. Summary of the invention

[0004] In view of the defects existing in the prior art, the purpose of the utility model is to provide a tension-adaptive yarn winding device to solve the problem that the existing inelastic yarn is easily broken or cannot be wound normally due to the tension change of the rotating winding component during the winding process.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] The present application provides a tension-adaptive yarn winding device, which includes: at least one main shaft, which is combined with a bobbin on which the winding yarn is wound; a transfer part, which uses the main shaft to guide the winding yarn and reciprocates in a linear motion with a preset width; and a pressure roller, which applies pressure to the surface of the bobbin when the winding yarn is wound, and the length directions of the main shaft and the pressure roller are parallel to the movement direction of the transfer part.

[0007] Further, the yarn winding device also includes a first roller unit, which is arranged to be separated from the transfer part and has a first roller for guiding the wound yarn, a sensor connected to the first roller to detect a position change of the first roller, and a first actuator for adjusting the position of the first roller.

[0008] Furthermore, the yarn winding device also includes a controller, which is configured to control the number of rotations of the main shaft and the conveying speed of the transfer part to decrease when the tension of the winding yarn increases, and to control the number of rotations of the main shaft and the conveying speed of the transfer part to increase when the tension of the winding yarn decreases based on the signal from the sensor.

[0009] Furthermore, the yarn winding device also includes a supporting part, which includes a base plate for rotatably mounting multiple spindles, a roller for moving the position of the spindles, and a transfer shaft for supporting the transfer part, the spindles and the transfer shaft are installed in a direction perpendicular to the plate surface of the base plate, and the spindles and the transfer shaft are arranged parallel to each other along the length direction.

[0010] Furthermore, the sensor is a rotary encoder.

[0011] The beneficial effects of the utility model are as follows: by arranging the conveying part, the pressure roller and the main shaft in parallel, a package can be wound in parallel, and further, by changing the rotation speed of the main shaft and the conveying speed of the conveying part according to the tension change of the winding yarn, the package can be prevented from being wound unevenly and can be wound in parallel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the side view structure of the tension-adaptive yarn winding device in an embodiment of the present application.

[0013] Figure 2 This is a schematic diagram of the top view of the defense line structure of the tension-adaptive yarn winding device in an embodiment of the present application.

[0014] Figure 3 It is a schematic diagram of the support structure in an embodiment of the present application.

[0015] Figure 4 It is a schematic diagram of the operating state of the tension-adaptive yarn winding device in an embodiment of the present application. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] See attached Figure 1 To Attachment Figure 4 As shown, the present embodiment provides a tension-adaptive yarn winding device, comprising a first roller portion 100 for detecting the tension of the winding yarn 1, a direction-changing roller 200 and a transfer portion 300 for guiding the winding yarn 1, a second roller portion 400 and a support portion 500 for winding the winding yarn 1, and a controller 600 for control.

[0018] like Figure 3 and Figure 4 As shown, the support part 500 may include a plate-shaped base plate 510 for supporting the main structural components, a plurality of main shafts 520 rotatably disposed on the base plate 510, a roller 530 for moving the position of the main shaft 520, a transfer shaft 540 for supporting the transfer part 300, etc. The main shaft 520 and the transfer shaft 540 are arranged perpendicular to the plate surface of the base plate 510. In addition, the main shaft 520 and the transfer shaft 540 may be arranged parallel to each other along the length direction.

[0019] As an example, the winding yarn 1 may be a variety of wires such as a wire with elasticity or a wire without elasticity, a wire with various thicknesses, a wire of various materials, etc. The winding yarn 1 may be automatically supplied from the outside of the winding device 10 toward the first roller unit 100. For this purpose, although not shown in the drawings, a separate winding material supply mechanism may be provided. The winding yarn 1 is wound on a bobbin (not shown) that is detachably inserted into a main shaft 520 described later, and the winding yarn 1 and the bundle of the bobbins that have been wound may be defined as a package 3. The winding yarn 1 is wound along a radial direction (circumferential direction of the main shaft) with the main shaft 520 as a reference.

[0020] like Figure 1 and Figure 2 As shown, the first roller unit 100 may include a first roller 110 , a lever 120 , a lever shaft 130 , a sensor 140 , and a first actuator 150 .

[0021] The first roller 110 is a structure for confirming and detecting the tension of the winding yarn 1. The first roller 110 can be arranged between the input position of the winding yarn 1 and the direction change roller 200 described later. The winding yarn 1 is supplied in one direction and transferred to the direction change roller 200 along the outer circumference of the first roller 110. The first roller 110 is rotatably supported by the first roller shaft 110a. At this time, Figure 1 The first roller 110 can rotate along the direction in which the winding yarn 1 contacts the outer peripheral surface with reference to the first roller 110. For example, the first roller 110 can be set as a tension adjustment roller. The tension adjustment roller is a mechanism that applies a predetermined force in a predetermined direction by using a spring, air pressure, a counterweight, etc., so as to apply a predetermined tension to the winding yarn 1 regardless of the position change. In this embodiment, the first roller 110 is connected to the lever 120, and a sensor 140 is provided on the lever shaft 130 supporting the lever 120, and the position of the first roller 110 can be controlled by the first actuator 150.

[0022] The lever 120 is in the shape of a rod having a specified length, and one end of the lever 120 is coupled to an axis that rotatably supports the first roller 110. Adjacent to the other end of the lever 120 is coupled a lever shaft 130 that rotatably supports the lever 120. In addition, a first actuator 150 may be connected to the other end of the lever 120. The lever 120 is actuated by the first actuator 150, with the lever shaft 130 being the center of action. The end of the lever 120 that is connected to the first roller 110 with the lever shaft 130 as the center may actuate in the same manner as the action of the lever. A sensor 140 is provided at one end of the lever shaft 130. The opposite end of the lever 120 may be actuated along the first actuator 150. Figure 1 The lever 120 pivots (rotates) around the lever shaft 130 in the direction of the arrow in FIG. That is, the opposite end of the lever 120 rotates around the lever shaft 130, so that the position of the first roller 110 can be adjusted according to the movement of the lever 120. To this end, the lever shaft 130 can be fixed to the support structure of the winding device 10, and the first roller shaft 110a of the first roller 110 can be not fixed. For example, Figure 1 As a reference, when one end of the lever 120 connected to the first roller 110 rotates upward with the lever shaft 130 as the center, the first roller 110 can also move upward. Conversely, if one end of the lever 120 rotates downward with the lever shaft 130 as the center, the first roller 110 can also move downward. This position adjustment of the first roller 110 can also be performed during the winding process of the winding yarn 1.

[0023] Although the detailed structure is not shown, the rotation axis of the first actuator 150 may have a spiral shape. The lever 120 is connected to the rotation axis of the first actuator 150, and the lever 120 can perform linear motion by the rotation of the first actuator 150. The first actuator 150 can operate in a predetermined tension range in proportion to the tension setting value of each interval according to the winding length (or winding time). For example, the tension value can be set in the range from the uppermost position to the lowermost position of the first roller 110. The operating range of the first actuator 150 can also be set so that the lever 120 can perform linear motion in the range from the uppermost position to the lowermost position of the first roller 110.

[0024] The sensor 140 is a sensor for sensing the deflection of the lever shaft 130, and may be, for example, a rotary encoder. If the tension of the winding yarn 1 increases, a load is applied to the first roller 110, so that the position of the first roller 110 is different from the initially set reference position. The sensor 140 senses the deflection of the rod 120 according to the position change of the first roller 110, and converts the sensed deflection degree into an electrical signal, and transmits the electrical signal to the controller 600 (the deflection is the sensed deflection degree in the upward direction or the downward direction relative to the preset reference position of the rod 120, and the controller 600 can determine that the tension of the winding yarn increases when the rod 120 is sensed to be deflected upward, and determine that the tension of the winding yarn decreases when the rod 120 is sensed to be deflected downward).

[0025] The first actuator 150 can actuate the lever 120 so that the first roller 110 is arranged at a preset position at the initial stage of supplying the winding yarn 1. The first actuator 150 can transmit an electrical signal for the changed tension value to the controller 600 described later so that the number of rotations of the main shaft 520 can be controlled according to the degree of deflection. Thus, the controller 600 described later controls the transfer speed of the transfer unit 300 and the rotation speed of the main shaft 520.

[0026] like Figure 1 As shown, the direction-changing roller 200 is a roller for changing the direction of the winding yarn 1, and its position can be fixed on the support structure of the winding device 10. That is, the direction-changing roller 200 can be rotatably arranged by a fixed shaft 200a. The direction-changing roller 200 can be arranged at a predetermined interval from the first roller 110. For example, after the winding yarn 1 is put into the lower side of the first roller 110, it can be transferred to the upper side of the direction-changing roller 200. The winding yarn 1 transferred via the first roller 110 can be guided to the transfer part 300 side via the direction-changing roller 200.

[0027] like Figures 1 to 3 As shown, the transfer unit 300 is movably provided on a transfer shaft 540 of a support unit 500 which is one of the support structures of the winding device 10. The conveying unit 300 reciprocates linearly on the conveying shaft 540 having a predetermined length (see Figure 3 ), and allows the winding yarn 1 to be wound on the bobbin at preset intervals (in the direction of the arrow in Figure 2, and the intervals indicated by double-dashed lines on both sides of the conveying unit 300 indicate preset intervals). The transfer unit 300 moves in a direction parallel to the length direction of the main shaft 520 described later. For example, the preset interval may correspond to the width of the bobbin and the width of the package 3. With the aid of the transfer unit 300, the wound yarn 1 is not supplied to only one location on the main shaft 520, but can be reciprocated and supplied within the linear motion interval of the transfer unit 300. Therefore, when the wound yarn 1 is wound on the bobbin, it can be wound with a uniform thickness. For example, the conveying unit 300 can be referred to as a "beam". The wound yarn 1 transferred by the transfer unit 300 can be wound on the bobbin on the main shaft 520 by the second roller portion 400 in close contact.

[0028] like Figures 1 to 4 As shown, the second roller portion 400 may include a second roller 410 and a second actuator 420 .

[0029] The second roller 410 is disposed between the transfer unit 300 and the main shaft 520. When the winding yarn 1 is wound on the bobbin on the main shaft 520, the winding yarn 1 is firmly wound without being unwound by applying pressure to the surface of the bobbin. To this end, the second roller 410 may be rotatably supported by a second roller shaft 410a arranged in parallel with the main shaft 520. The position of the second roller 410 may be adjusted by the second actuator 420, so that the pressure applied to the winding yarn 1 may be maintained. The second roller 410 has the function of applying pressure to the winding yarn 1, and therefore may be referred to as a "pressing roller". The second roller 410 and the second actuator 420 may have the same or similar structures as the first roller 110 and the second actuator 420 described above. In addition, since the second roller 410 must be able to press the bobbin as a whole, the length of the second roller 410 may be at least equal to or greater than the width of the bobbin or the width of the preset package. That is, the second roller 410 has a length along the length direction of the main shaft 520 that is equal to or greater than the width of the package. Figure 3 As shown, the length of the second roller 410 can be formed to be greater than the width of the package 3 (the width of the package along the length direction of the main shaft). When the outer diameter of the package 3 increases while the winding material 1 is being wound, the distance of the second roller 410 away from the main shaft 520 is equivalent to the increased outer diameter. Although not shown in the figure, a sensor can be installed on one side of the second roller 410, which detects the position change of the second roller 410 according to the change in the winding outer diameter of the package 3. In response to the signal from the sensor sensing the position change of the second roller 410, the drum 530 can be controlled to rotate a predetermined angle in the opposite direction to the second roller 410. Therefore, the second roller 410 is controlled to approach the main shaft 520 again, and the position control operation of the drum 530 and the second roller 410 can be repeated until the winding is completed. Refer to Figure 4After the winding of the package 3 is completed, the drum 530 can be rotated so that the empty spindle 520a can be moved to the winding position. After the winding of the package 3 is completed, the cutting of the winding yarn 1 or the operation of the drum 530 can adopt a conventional structure (this structure is not the main feature of the present invention, so its detailed description will be omitted). When the empty spindle 520a moves to the winding position, the winding yarn 1 is wound on a new bobbin again, and the package 3 that has been wound can be separated from the spindle 520.

[0030] According to the above, the transfer unit 300, the second roller 410, and the main shaft are arranged in parallel, so that one package can be wound in parallel.

[0031] In order to better understand the tension-adaptive yarn winding device in this embodiment, the working principle thereof is briefly described below:

[0032] The controller 600 can control the rotation speed of the main shaft 520 according to the change in the tension of the winding yarn 1 through the signal transmitted from the first actuator 150 and the sensor 140. For example, due to the increase in the tension of the winding yarn 1, the position of the first roller 110 may change. When the tension increases, the first roller 110 may move in one direction based on the initial setting position. For example, based on Figure 1 , the controller 600 can determine the rise of the first roller 110 as an increase in tension (however, when the installation position or direction of the roller changes, the direction of determining the increase in tension can change). The position change is sensed by the sensor 140, and the signal measured by the sensor 140 is sent to the controller 600. When the deflection sensed by the sensor 140 becomes larger, the controller 600 reduces the number of revolutions of the main shaft 520 by the difference between the set value and the increased deflection to the reference number of revolutions. At the same time, the controller 600 controls the transfer speed of the transfer part 300 to also decrease (the transfer speed of the transfer part is controlled to track it in proportion to the change in the number of revolutions of the main shaft). Thereby, the same effect as physically reducing the tension of the wound yarn 1 can be presented.

[0033] On the contrary, the tension of the winding yarn 1 becomes smaller, so that the position of the first roller 110 can be changed. When the tension is reduced, the first roller 110 can move in another direction based on the initial setting position. Figure 1, the controller 600 can determine that the descent of the first roller 110 is a case of tension reduction (however, when the installation position or direction of the roller changes, the direction of determining the tension increase can change). When the deflection sensed by the sensor 140 decreases, the controller 600 increases the number of revolutions of the main shaft 520 by the difference between the set value and the reduced deflection. At the same time, the controller 600 controls the transfer speed of the transfer unit 300 to also increase. As a result, the same effect as physically increasing the tension of the winding yarn 1 can be presented. That is, the controller 600 can adjust the rotation speed of the main shaft 520 according to the deflection degree to cope with the tension change of the winding yarn 1. Therefore, the winding yarn 1 can be evenly wound in the same way as the winding yarn 1 is wound at a specified tension. After the speed of the transfer unit 300 and the main shaft 520 changes, after a certain period of time, the first roller 110 returns to the set position before the tension change.

[0034] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.

Claims

1. A tension-adaptive yarn winding device, characterized in that: The yarn winding device comprises: at least one main shaft coupled to a bobbin on which the wound yarn is wound; A conveying section, which guides the winding yarn by means of the main shaft and performs a reciprocating linear motion at a preset width; and a pressure roller for applying pressure to the surface of the bobbin when the winding yarn is wound, wherein the length directions of the main shaft and the pressure roller are parallel to the moving direction of the conveying portion.

2. A tension-adaptive yarn winding device according to claim 1, characterized in that: The yarn winding device also includes a first roller unit, which is arranged to be spaced apart from the transfer portion and has a first roller that guides the wound yarn, a sensor connected to the first roller to detect a position change of the first roller, and a first actuator that adjusts the position of the first roller.

3. A tension-adaptive yarn winding device according to claim 2, characterized in that: The yarn winding device also includes a controller, which is configured to control the number of rotations of the main shaft and the conveying speed of the transfer part to decrease when the tension of the wound yarn increases, and to control the number of rotations of the main shaft and the conveying speed of the transfer part to increase when the tension of the wound yarn decreases, based on a signal from the sensor.

4. A tension-adaptive yarn winding device according to claim 3, characterized in that: The yarn winding device also includes a supporting portion, which includes a base plate for rotatably mounting a plurality of the main shafts, a roller for moving the position of the main shafts, and a transfer shaft for supporting the transfer portion, wherein the main shafts and the transfer shaft are installed in a direction perpendicular to the plate surface of the base plate, and the main shafts and the transfer shaft are arranged parallel to each other along the length direction.

5. A tension-adaptive yarn winding device according to claim 2, characterized in that: The sensor is a rotary encoder.

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