Wire feeding device

Abstract

The present invention aims to improve the operability of installing and removing the cover. In the wire feeding device (30), the fixed side cover component (62) (removable side cover component 64) is configured to include: a fixing part (62A) (fixing part 64A) which is fastened to the fixed side outer shell component (52) (removable side outer shell component 54) by a fastening bolt (BL2); and an engaging part (62C) (engaging part 64C) which engages with the fixed side outer shell component (52) (removable side outer shell component 54) in a manner that prevents relative movement. That is, the fastening parts of the fixed side cover component (62) and the removable side cover component (64) relative to the outer shell (50) can be set at one point, and the fixed side cover component (62) and the removable side cover component (64) can be fixed to the outer shell (50). Therefore, compared to the case where the fastening points of the fixed side cover component (62) and the mounting and dismounting side cover component (64) to the outer shell (50) are set in two places, the operation time for installing and removing the cover (60) can be reduced.

Description

Thread feeding device The invention relates to a thread feeding device. Press, in the fabrication apparatus of dummy composite yarns described in the following patent literature 1 , the raw strands supplied to each spindle while being super-fed or stretched in each spindle between the roller group on the upstream side and the roller group on the downstream side, while being added and thermally shaped through the dummy jacking unit and heater group. In addition, the sham yarns made from the various spindles have implemented dummy processing are merged to form the pseudo-pin composite thread. The above-mentioned roller group configuration serves as a thread feeding device for conveying the thread. Specifically, the rollers of each spindle are mounted on the wire shaft in a manner capable of loading and unloading, through which the roller and the upper roller hold the thread and transport the thread to the downstream side. It should be stated that, as a rule, the wire shaft is supported in such a manner as to be able to rotate by a bearing, which is supported by a supporting component. Existing technical literature Patent literature Patent Literature 1: Bulletin No. 1-132843, Tekaiping, Japan In view of this, the inventors have devoted themselves to further research and undertaken research and development and improvement, with a view to solving the above problems with a better invention, and after constant trial and modification, the present invention has been produced. Invent the lesson to be solved Herein, among the thread feeding devices used in the fabrication apparatus of false compound threads, some are equipped with covers for preventing the threads from winding toward the axis. Specifically, the cylindrical cover is mounted on the supporting member supporting the bearing and is configured between the supporting member and the roller, covering the wire shaft from the radial outer side of the wire shaft. In addition, in the thread feeding apparatus, multiple covers are utilized to cover the wire shaft upwards throughout the entire axis of the wire shaft. Thereby, it is possible to prevent the winding of the thread towards the line axis. However, in cases where a cover for preventing thread winding is provided in the thread feed device, for example, the cover needs to be removed from the supporting component at each replacement operation of the bearing. In addition, as mentioned above, the number of covers becomes more due to the utilization of multiple covers on the entire axis of the line axis to cover the line axis upwards. Therefore, in the thread feeding device, a structure that can improve the operability of the cover during installation as well as removal is preferred. The present invention takes into account the above facts, the purpose of which is to provide a thread feeding device capable of improving the operability of the cover during installation as well as during removal. Technical solutions used to solve the problem One or more embodiments of the present invention are a wire feeding device configured in a wire path of a fiber machine. The wire feeding device includes: a rotating shaft; a bearing that rotatably supports the rotating shaft; a roller that is provided on the rotating shaft so as to be rotatable integrally therewith and is disposed on the outer side in the axial direction of the rotating shaft with respect to the bearing, and conveys a wire traveling along the wire path; a support member that supports the bearing and is composed of a pair of half-divided support members divided in the radial direction of the rotating shaft; and a cover that is disposed between the support member and the roller, is formed in a cylindrical shape covering the rotating shaft from the outer side in the radial direction of the rotating shaft, and is composed of a pair of half-divided cover members divided in the radial direction of the rotating shaft. One of the half-divided cover members is connected to one of the half-divided support members, and the other of the half-divided cover members is connected to the other of the half-divided support members. At least one of the pair of half-divided cover members is configured to include: a fixing portion that is fixedly fastened to the half-divided support member by a fastening member; and an engaging portion that engages with the half-divided support member in the axial direction of the rotating shaft and in a direction orthogonal to the axial direction. In the wire feeding device having the above structure, the rotating shaft is rotatably supported by a bearing supported by a support member. A roller is provided on the rotating shaft so as to be rotatable integrally therewith, and the roller is disposed on the outer side in the axial direction of the rotating shaft with respect to the bearing. In addition, a cylindrical cover is disposed between the support member and the roller, covering the rotating shaft from the outer side in the radial direction of the rotating shaft. The support member is composed of a pair of half-divided support members divided in the radial direction of the rotating shaft. In addition, the cover is composed of a pair of half-divided cover members divided in the radial direction of the rotating shaft. One of the half-divided cover members is connected to one of the half-divided support members, and the other of the half-divided cover members is connected to the other of the half-divided support members. Here, at least one of the pair of half-divided cover members is configured to include: a fixing portion that is fixedly fastened to the half-divided support member by a fastening member; and an engaging portion that engages with the half-divided support member in the axial direction of the rotating shaft and in a direction orthogonal to the axial direction. That is, in at least one of the pair of half-divided cover members, the fastening portion of the half-divided cover member to the support member can be set to one place, and the half-divided cover member can be fixed to the support member. Therefore, for example, compared with the case where the fastening portion of the half-divided cover member to the support member is set to two places, the working hours for installation and removal can be reduced. Therefore, the operability during installation and removal of the cover can be improved. One or more embodiments of the present invention are a wire feeding device, wherein the semi-segmented cover member is configured to include: a semi-cylindrical cover portion that covers the rotating shaft from the radially outer side of the rotating shaft; and a first flange portion that is provided at an end portion of the cover portion on the side of the support member, the fixing portion is provided at a circumferential one-side end portion of the first flange portion, and the engaging portion is provided at a circumferential other-side end portion of the first flange portion. An engaging groove is formed in an outer peripheral portion of the semi-segmented support member. When viewed from the axial direction, the engaging groove opens toward the rotating shaft side and extends in a direction intersecting the dividing surface of the support member. The engaging portion is inserted into the engaging groove and is engaged with the semi-segmented support member in a non-relative movable manner. In the wire feeding device having the above structure, the fixing portion is provided at a circumferential one-side end portion of the first flange portion of the semi-segmented cover member, and the engaging portion is provided at a circumferential other-side end portion of the first flange portion. Further, the engaging portion is inserted into the engaging groove formed in the outer peripheral portion of the semi-segmented support member and is engaged with the semi-segmented support member in a non-relative movable manner. Therefore, the semi-segmented cover member can be engaged with the semi-segmented support member with a simple structure. One or more embodiments of the present invention are a wire feeding device, wherein a side surface of the engaging groove on the cover side is configured as a groove-side inclined surface. When viewed from the length direction of the engaging groove, the groove-side inclined surface inclines toward the support member side as it goes toward the bottom side of the engaging groove, and the engaging portion has an engaging surface that abuts against the groove-side inclined surface. In the wire feeding device having the above structure, when the engaging portion is inserted into the engaging groove, the engaging portion can be brought closer to the support member side by the groove-side inclined surface. As a result, the end surface of the cover can be closely attached to the side surface of the support member, and the cover can be mounted on the support member. Therefore, the mounting state of the cover on the support member can be made good. One or more embodiments of the present invention are a wire feeding device, wherein the dividing surface of the cover is arranged flush with the dividing surface of the support member. When viewed from the axial direction, an angle between the dividing surface of the support member and the engaging groove is set to an acute angle. In the wire feeding device having the above structure, for example, by pressing one semi-segmented cover member toward the engaging groove side, the engaging portion moves along the engaging groove toward the other semi-segmented cover member side. Therefore, in this state, by fastening and fixing one semi-segmented cover member, the dividing surfaces of the semi-segmented cover members can be closely attached to each other. Therefore, the close adhesion between the semi-segmented cover members can be improved. One or more embodiments of the invention is a wire feeding device, wherein the semi-split cover member has a second flanging portion disposed at the end of the roller side of the cover to form a concave portion open to the side of the roller which is configured inside the concave portion. In the thread feeding device of the above structure, a so-called labyrinth structure is formed between the cover and roller since the second flange part of the semi-split cover component is housed within the concave part of the roller. Thereby, it is possible to suppress the intrusion of the thread from between the cover and the roller towards the inside of the cover. Therefore, it can effectively suppress the winding of the thread towards the axis of rotation. Inventive effects According to one or more embodiments of the present invention, it is capable of improving the operability of the cover during installation as well as upon removal. With respect to the technical means of our inventors, a number of better embodiments are hereby elaborated in conjunction with the diagrams in order to provide an in-depth understanding and recognition of the invention. The thread feeding device 30 involved in this embodiment is described below using the accompanying drawings. The thread feeding device 30 is applied to a dummy machine 10 as a fiber machinery, which is an equipment for producing dummy processing yarn (DTY: draw Textured Yarn) by performing dummy processing of semi-stretched yarn (POY: Partially Oriented Yarn). In addition, in the dummy machine 10, four thread feeding devices 30 are used, and in order to distinguish the four thread feeding devices 30 , in the following description, the four thread feeding devices 30 are distinguished as the first thread feeding device 30-1, the second thread feeding device 30-2, the third thread feeding device 30-3, and the fourth thread feeding device 30-4. (About the overall structure of Fake Machine 10) As shown in FIG. 1 , the dummy machine 10 is equipped with a main body 12 , a winding device 14 , and a thread supply cylinder frame 16 . The main body 12 , the winding device 14 , and the thread supply cylinder frame 16 are spaced apart in a given spatial arrangement configuration in the width direction of the dummy machine 10 (direction of arrow A as well as direction of arrow B of FIG. A first thread feeding device 30-1 is provided on the upper side of the winding device 14 , a second thread feeding device 30-2 and a third thread feeding device 30-3 are provided on the upper part of the main body 12 , and a fourth thread feeding device 30-4 is provided on the lower end of the main body 12 . Through the first thread feeder 30-1 to the fourth thread feeder 30-4, the thread Y supplied from the thread supply cylinder frame 16 is conveyed along the thread channel 18 to the winding device 14 . In this embodiment, a plurality of thread Y is supplied from the thread supply cylinder frame 16 , and the thread Y supplied from the thread supply cylinder frame 16 is transported to the downstream side through the first thread feeder 30 - 1 . The thread feeding speed of the second thread feeding device 30-2 is set to be faster than the thread feeding speed of the first thread feeding device 30-1. Thereby, thread Y is stretched between the first thread feeding device 30-1 and the second thread feeding device 30-2. In addition, a first heater 20 , a cooling device 22 , and a dummy clamp device 24 are provided sequentially from the upstream side between the first wire feeder 30-1 and the second wire feeder 30-2 . Thereby, the thread Y passes through the dummy device 24 , whereby a dummy processing is implemented for the thread Y. In addition, a second heater 26 is provided between the third thread feeding device 30 - 3 and the fourth thread feeding device 30 - 4 , and the thread Y after being merged between the second thread feeding device 30 - 2 and the third thread feeding device 30 - 3 is transported to the second heater 26 by the third thread feeding device 30 - 3 . Further, the strand Y is transported to the winding device 14 by a fourth feed device 30 - 4, forming a spool P reeled by the winding device 14 disposed at the winding device 14 . (About thread feeding devices 30) Since the first thread feeding device 30-1 to the fourth thread feeding device 30-4 are of the same configuration, the structure of the thread feeding device 30 is explained using the first thread feeding device 30 - 1 . In the following, the structure of the first thread feeding device 30-1 is explained using Figures 2–7. It should be noted that the arrows “up” (UP), arrows “front” (FR), and arrows “right” (RH) as appropriately represented in the accompanying figure indicate the upper, anterior, and right sides of the first thread feeder 30-1, respectively. In the following description, when using the up and down, front and back, and left and right directions for explanation, as long as there is no special explanation, it is set to indicate the up and down direction, front and back direction, and left and right directions of the first wire feed device 30-1. It should be stated that the left and right direction of the first thread feeding device 30-1 is consistent with the left and right direction of the dummy machine 10 (the orthogonal direction of the paper surface of FIG. As shown in Figs. The pedestal 32 is formed as a roughly rectangular cylindrical shape extending along the left-right direction become ball bearings, supported by the aforementioned housing 50 , and configured by housing 50 linked to the base 32 by being separated at a given interval in the left and right directions (in Figs. The drive roller 38 is configured as a metal roller and is formed as a roughly cylindrical shape axially in the left and right direction 36 is configured on the axial outside of the shaft 34 and is fixed to the shaft 34 in a manner capable of integral rotation with the shaft 34 (in the examples shown in Figs. The slave roller 40 is configured as a rubber roller and is paired with the drive roller 38 , i.e., a feed roller pair 42 is configured from the drive roller 38 as well as the slave roller 40 and is configured in a manner supported by the supporting mechanism part 44 in a manner capable of axially rotational base 4 To enable contact or separation with respect to the drive roller 38 through the support mechanism portion 44 , i.e., at the position where the slave roller 40 approaches the drive roller 38 , the thread Y is transported to the downstream side by the drive roller 38 and the slave roller 40 . As shown in Figs. The housing 50 is configured to include a fixed-side housing member 52 and a detachable-side housing member 54, which are semi-divided support members divided into two parts in the radial direction of the shaft 34. Specifically, when observed from the left-right direction, the dividing surface 50B of the housing 50 extends along a direction that slopes downward as it goes forward. Hereinafter, when observed from the left-right direction, the direction in which the housing 50 is divided is referred to as the dividing direction (refer to arrows C and D in FIGS. 4 and 6). The fixed-side housing member 52 constitutes a part of the housing 50 on the one side in the dividing direction (the side in the direction of arrow C in FIGS. 4 and 6). The fixed-side housing member 52 is disposed on the front side of the base 32 and is fastened to the base 32 at a position not shown. On the dividing surface 50B of the fixed-side housing member 52, there are respectively formed fixing thread portions 52B (refer to FIG. 6) for fixing the detachable-side housing member 54. The fixing thread portions 52B are formed in a concave shape that opens to the other side in the dividing direction, and internal threads are formed on the inner peripheral surface of the fixing thread portions 52B. On the left and right side surfaces of the front end portion of the fixed-side housing member 52, there are formed cover fixing thread portions 52C (refer to FIG. 6) for fixing a later-described cover 60 (fixed-side cover member 62) (in FIG. 6, only the cover fixing thread portion 52C formed on the right side surface of the fixed-side housing member 52 is shown). The cover fixing thread portions 52C are formed in a concave shape that opens to the outside in the left-right direction, and internal threads are formed on the inner peripheral surface of the cover fixing thread portions 52C. Furthermore, stepped portions 52D that rise one step outward in the left - right direction are respectively formed on both side surfaces in the left - right direction at the rear end portion of the fixed - side housing member 52. When observed from the left - right direction, the front end portion of the stepped portion 52D extends in the up - down direction (the direction intersecting the dividing surface 50B). An engaging groove 52E is formed at the front end portion of the stepped portion 52D. The engaging groove 52E extends along the front end portion of the stepped portion 52D and penetrates in the extending direction. The angle AG1 (refer to FIG. 4) between the engaging groove 52E observed from the left - right direction and the dividing surface 50B is set to be an acute angle. When observed from the longitudinal direction, the engaging groove 52E is formed in a substantially wedge - shaped that opens toward the shaft 34 side. Specifically, as shown in FIG. 7(B), one side surface in the width direction of the engaging groove 52E (the side surface on the inner side in the left - right direction) constitutes a receiving surface 52E1. When observed from the longitudinal direction of the engaging groove 52E, the receiving surface 52E1 is arranged along a direction orthogonal to the left - right direction. In addition, the other side surface in the width direction of the engaging groove 52E (the side surface on the outer side in the left - right direction) constitutes a groove - side inclined surface 52E2. When observed from the longitudinal direction of the engaging groove 52E, the groove - side inclined surface 52E2 inclines toward the shaft 34 side as it goes toward the outer side in the left - right direction. That is, the groove - side inclined surface 52E2 constitutes the side surface on the outer side in the left - right direction (the side of the cover 60 described later) of the engaging groove 52E and inclines toward the inner side in the left - right direction (the side of the housing 50) as it goes toward the bottom of the engaging groove 52E. It should be noted that the receiving surface 52E1 is arranged flush with the left and right side surfaces of the fixed - side housing member 52. As shown in FIGS. 2 - 6, the detachable - side housing member 54 constitutes the other part of the housing 50 in the dividing direction. Fixing holes 54A (refer to FIG. 6) are formed through the front end portion and the rear end portion of the detachable - side housing member 54 in the dividing direction. A fixing bolt BL1 inserted into the fixing hole 54A is screwed with the fixing threaded portion 52B of the fixed - side housing member 52, so that the detachable - side housing member 54 is fixed to the fixed - side housing member 52. That is, the detachable - side housing member 54 is fixed to the fixed - side housing member 52 in a detachable manner and supports the bearing 36 from the other side in the dividing direction. And, during the replacement operation of the bearing 36, the detachable - side housing member 54 is removed from the fixed - side housing member 52. Cover - fixing threaded portions 54C (refer to FIG. 6) for fixing a later - described cover 60 are formed on both side surfaces in the left - right direction at the front end portion of the detachable - side housing member 54. When observed from the left - right direction, the cover - fixing threaded portions 54C are arranged at positions symmetric with respect to the dividing surface 50B of the housing 50 (in FIG. 6, only the cover - fixing threaded portion 54C formed on the right - hand side surface of the detachable - side housing member 54 is shown). The cover - fixing threaded portions 54C are formed in a concave shape that opens toward the outer side in the left - right direction, and internal threads are formed on the inner peripheral surface of the cover - fixing threaded portions 54C. In addition, stepped portions 54D that rise one step outward in the left-right direction are respectively formed on both side surfaces in the left-right direction at the rear end portion of the loading and unloading side housing member 54. When observed from the left-right direction, the front end portions of the stepped portions 54D extend in a manner symmetric to the stepped portions 52D of the fixed side housing member 52 with respect to the dividing surface 50B of the housing 50. Specifically, when observed from the left-right direction, the front end portions of the stepped portions 54D extend along a direction that inclines forward as it goes upward (a direction intersecting the dividing surface 50B). An engaging groove 54E is formed at the front end portion of the stepped portion 54D. The engaging groove 54E extends along the front end portion of the stepped portion 54D and penetrates in the extending direction. The angle AG2 (refer to FIG. 4) between the engaging groove 54E observed from the left-right direction and the dividing surface 50B is set to be the same as the angle AG1. When observed from the longitudinal direction, the engaging groove 54E is formed in a substantially wedge shape that opens toward the shaft 34 side. Specifically, as shown in FIG. 7(A), one side surface in the width direction of the engaging groove 54E (the side surface on the inner side in the left-right direction) constitutes a receiving surface 54E1. When observed from the longitudinal direction of the engaging groove 54E, the receiving surface 54E1 is arranged along a direction orthogonal to the left-right direction. In addition, the other side surface in the width direction of the engaging groove 54E (the side surface on the outer side in the left-right direction) constitutes a groove side inclined surface 54E2. When observed from the longitudinal direction of the engaging groove 54E, the groove side inclined surface 54E2 inclines toward the shaft 34 side as it goes toward the outer side in the left-right direction. That is, the groove side inclined surface 54E2 constitutes the side surface on the outer side in the left-right direction (the side of the cover 60 described later) of the engaging groove 54E and inclines toward the inner side in the left-right direction (the housing 50 side) as it goes toward the bottom of the engaging groove 54E. It should be noted that the receiving surface 54E1 is arranged flush with the left and right side surfaces of the loading and unloading side housing member 54. As shown in FIGS. 2 to 6, the cover 60 is disposed between the housing 50 and the drive roller 38 and is configured as a member that covers the shaft 34 from the radially outer side of the shaft 34. Therefore, the cover 60 is paired with the drive roller 38 and is provided on the radially outer side of the shaft 34. The cover 60 is integrally formed in a substantially cylindrical shape with the left-right direction as the axial direction. Specifically, the cover 60 is configured to include: a cylindrical cover portion 60A; a substantially annular plate-shaped first flange portion 60B that extends radially outward from the end portion on the outer shell 50 side of the cover portion 60A; and a substantially annular plate-shaped second flange portion 60C that extends radially outward from the end portion on the driving roller 38 side of the cover portion 60A. Moreover, the first flange portion 60B of the cover 60 is fixed to the side surface of the outer shell 50, and the cover 60 extends axially outward from the outer shell 50 and covers the portion between the bearing 36 of the shaft 34 and the driving roller 38 from the radially outer side of the portion between the bearing 36 of the shaft 34 and the driving roller 38. In the fixed state where the cover 60 is fixed to the outer shell 50, the second flange portion 60C is housed in the recess 38A of the driving roller 38. Thus, a structure is formed in which the intrusion of the wire Y into the inside of the cover 60 is suppressed, and the winding of the wire Y around the portion between the bearing 36 of the shaft 34 and the driving roller 38 is suppressed by the cover 60. The cover 60 is composed of a fixed-side cover member 62 and a detachable-side cover member 64, which are semi-segmented cover members divided into two parts in the radial direction of the shaft 34. The fixed-side cover member 62 and the detachable-side cover member 64 are divided into two parts in the dividing direction, and the dividing position of the cover 60 is set such that the dividing surface 60D of the cover 60 in the dividing direction coincides with the dividing surface 50B of the outer shell 50. Moreover, the fixed-side cover member 62 is detachably fixed to the fixed-side outer shell member 52 of the outer shell 50, and the detachable-side cover member 64 is detachably fixed to the detachable-side outer shell member 54. One circumferential end portion (front end portion) of the first flange portion 60B of the fixed-side cover member 62 is configured as a fixing portion 62A, and a fixing hole 62B is formed therethrough at a position corresponding to the cover fixing thread portion 52C of the fixed-side outer shell member 52 in the fixing portion 62A (see FIG. 6). Moreover, a fastening bolt BL2, which is a fastening member inserted into the fixing hole 62B, is screwed into the cover fixing thread portion 52C of the fixed-side outer shell member 52, whereby the fixed-side cover member 62 is firmly fixed to the fixed-side outer shell member 52. That is, the fixing portion 62A is fixed to the fixed-side outer shell member 52 by the fastening bolt BL2 arranged parallel to the shaft 34. At the circumferential other end (rear end) of the first flange portion 60B, an engaging portion 62C is formed on the outer peripheral portion of the first flange portion 60B. The engaging portion 62C corresponds to the engaging groove 52E of the fixed-side housing member 52 and extends along the extending direction of the engaging groove 52E when observed from the left-right direction. The engaging portion 62C is formed in a wedge shape corresponding to the engaging groove 52E when observed from its longitudinal direction. That is, as shown in FIG. 7(B), the engaging portion 62C is configured to include a first engaging surface 62C1 arranged along a direction orthogonal to the left-right direction when observed from its longitudinal direction, and a second engaging surface 62C2 as an engaging surface that inclines toward the shaft 34 side as it goes from the rear end portion of the first engaging surface 62C1 to the outer side in the left-right direction. And, the engaging portion 62C is inserted into the engaging groove 52E, and the engaging portion 62C engages with the engaging groove 52E. Specifically, the first engaging surface 62C1 abuts against the receiving surface 52E1, and the second engaging surface 62C2 abuts against the groove-side inclined surface 52E2. Thereby, the engaging portion 62C engages with the engaging groove 52E in the axial direction of the shaft 34 and in the direction orthogonal to the axial direction, and is connected to the fixed-side housing member 52 in a non-relative movable manner. It should be noted that the first engaging surface 62C1 is arranged flush with the end surface of the fixed-side cover member 62. As shown in FIGS. 2 to 6, the detachable side cover member 64 is configured to be symmetric with respect to the dividing surface 60D of the cover 60 and the fixed-side cover member 62. That is, the circumferential one end (front end) of the first flange portion 60B of the detachable side cover member 64 is configured as a fixing portion 64A, and a fixing hole 64B (see FIG. 6) is formed to penetrate at a position corresponding to the cover fixing threaded portion 54C of the detachable side housing member 54 in the fixing portion 64A. And, a fastening bolt BL2 inserted into the fixing hole 64B is screwed with the cover fixing threaded portion 54C of the detachable side housing member 54, so that the detachable side cover member 64 is firmly fixed to the detachable side housing member 54. That is, the fixing portion 64A is fixed to the detachable side housing member 54 by the fastening bolt BL2 arranged in parallel with the shaft 34. At the circumferential other end (rear end portion) of the first flange portion 60B of the loading and unloading side cover member 64, an engaging portion 64C is formed on the outer peripheral portion of the first flange portion 60B. The engaging portion 64C corresponds to the engaging groove 54E of the loading and unloading side housing member 54 and extends along the extending direction of the engaging groove 54E when observed from the left-right direction. The engaging portion 64C is formed in a wedge shape corresponding to the engaging groove 54E when observed from its longitudinal direction. That is, as shown in FIG. 7(A), the engaging portion 64C is configured to include a first engaging surface 64C1 along a direction orthogonal to the left-right direction when observed from its longitudinal direction, and a second engaging surface 64C2 that inclines toward the shaft 34 side as it goes from the rear end portion of the first engaging surface 64C1 to the outer side in the left-right direction. And, the engaging portion 64C is inserted into the engaging groove 54E, and the engaging portion 64C engages with the engaging groove 54E. Specifically, the first engaging surface 64C1 abuts against the receiving surface 54E1, and the second engaging surface 64C2 abuts against the groove-side inclined surface 54E2. Thereby, the engaging portion 64C engages with the engaging groove 54E in the axial direction of the shaft 34 and in the direction orthogonal to the axial direction, and is connected to the loading and unloading side housing member 54 in a non-relative movable manner. It should be noted that the first engaging surface 64C1 is disposed flush with the end surface of the loading and unloading side cover member 64. (Function and effect) Next, the process of replacing the bearing 36 in the first wire feeding device 30-1 will be described with reference to FIG. 8, and the functions and effects of the present embodiment will be described. When the wire Y is being fed through the first wire feeding device 30-1, the driven roller 40 is disposed at a position close to the driving roller 38 and is located on the other side in the dividing direction with respect to the driving roller 38 (refer to the state of FIG. 8(1)). Therefore, when replacing the bearing 36, the driven roller 40 is separated from the driving roller 38, and the driven roller 40 is disposed in such a manner that it is not located on the other side in the dividing direction with respect to the housing 50 (refer to the state of FIG. 8(2)). Next, loosen the fixing bolts BL1 in the housing 50, and move the loading / unloading side housing member 54 and the loading / unloading side cover member 64 to the other side in the splitting direction to remove the loading / unloading side housing member 54 and the loading / unloading side cover member 64 from the fixed side housing member 52. As a result, the bearing 36 is exposed (refer to the state of (3) in Fig. 8). It should be noted that the second flange portion 60C of the cover 60 is received in the recess 38A of the drive roller 38. Therefore, when moving the loading / unloading side housing member 54 and the loading / unloading side cover member 64 to the other side in the splitting direction, the second flange portion 60C interferes with the drive roller 38. Therefore, remove one of the loading / unloading side cover members 64 on both sides in the left-right direction of the loading / unloading side housing member 54 from the loading / unloading side housing member 54. That is, loosen the fixing bolts BL2. In this state, while tilting the posture of the loading / unloading side cover member 64 with respect to the drive roller 38, the second flange portion 60C is disengaged from the recess 38A of the drive roller 38. As a result, one of the loading / unloading side cover members 64 is detached from the loading / unloading side housing member 54. And by moving the other loading / unloading side cover member 64 and the loading / unloading side housing member 54 to the side of the removed loading / unloading side housing member 54, the second flange portion 60C of the other loading / unloading side cover member 64 is disengaged from the recess 38A of the drive roller 38. Therefore, the other loading / unloading side housing member 54 and the loading / unloading side cover member 64 can be removed from the fixed side housing member 52. Next, remove one of the fixed side cover members 62 on both sides in the left-right direction of the fixed side housing member 52 from the fixed side housing member 52 (refer to the state of (4) in Fig. 8). That is, loosen the fixing bolts BL2, and while tilting the posture of the fixed side cover member 62 with respect to the drive roller 38, the second flange portion 60C is disengaged from the recess 38A of the drive roller 38. As a result, the fixed side cover member 62 is detached from the fixed side housing member 52. In the state shown in (4) of Fig. 8, the right fixed side cover member 62 is removed from the fixed side housing member 52. Next, by sliding the shaft 34 to the left, the drive roller 38 slides to the left together with the shaft 34. As a result, the receiving state of the second flange portion 60C of the left loading / unloading side cover member 64 in the recess 38A of the drive roller 38 is released. In this state, move the shaft 34 to the other side in the splitting direction to remove the shaft 34 from the fixed side housing member 52. As a result, the bearing 36 can be replaced. It should be noted that after replacing the bearing 36, the shaft 34 is installed in the housing 50 through the reverse process of the above. Thus, during the replacement operation of the bearing 36, etc., operations such as removing the fixed side cover member 62 (loading / unloading side cover member 64) from the fixed side housing member 52 (loading / unloading side housing member 54), and installing the fixed side cover member 62 (loading / unloading side cover member 64) on the fixed side housing member 52 (loading / unloading side housing member 54) are required. Here, the fixed-side cover member 62 (detachable-side cover member 64) is configured to include: a fixing portion 62A (fixing portion 64A) that is fixed to the fixed-side outer shell member 52 (detachable-side outer shell member 54) by a fastening bolt BL2; and an engaging portion 62C (engaging portion 64C) that engages with the fixed-side outer shell member 52 (detachable-side outer shell member 54) in the axial direction of the shaft 34 and in a direction orthogonal to the axial direction. That is, it is possible to make the fastening portions of the fixed-side cover member 62 and the detachable-side cover member 64 with respect to the outer shell 50 into one place, and fix the fixed-side cover member 62 and the detachable-side cover member 64 to the outer shell 50. Therefore, for example, compared with the case where the fastening portions of the fixed-side cover member 62 and the detachable-side cover member 64 to the outer shell 50 are set to two places, it is possible to reduce the working hours during installation and removal. Therefore, the operability during installation and removal of the cover 60 can be improved. In addition, by making the fastening portions of the fixed-side cover member 62 and the detachable-side cover member 64 with respect to the outer shell 50 into one place, it is possible to contribute to the reduction of the number of components. In addition, as described above, the engaging portion 62C of the fixed-side cover member 62 engages with the engaging groove 52E of the fixed-side outer shell member 52 in the axial direction of the shaft 34 and in a direction orthogonal to the axial direction, and the engaging portion 64C of the detachable-side cover member 64 engages with the engaging groove 54E of the detachable-side outer shell member 54 in the axial direction of the shaft 34 and in a direction orthogonal to the axial direction. Thereby, it is possible to make the engaging portion 62C (engaging portion 64C) function as a rotation stopper when the fixed-side cover member 62 (detachable-side cover member 64) is fastened and fixed to the outer shell 50, and also function as a fixing portion fixed to the outer shell 50. In addition, the fixed-side cover member 62 (detachable-side cover member 64) is configured to include: a cover portion 60A that covers the shaft 34 from the radially outer side of the shaft 34; and a first flange portion 60B that is provided at the end portion of the cover portion 60A on the outer shell 50 side. Furthermore, the fixing portion 62A (fixing portion 64A) of the fixed-side cover member 62 (detachable-side cover member 64) is provided at the front end portion (one circumferential side end portion) of the first flange portion 60B, and the engaging portion 62C (engaging portion 64C) is provided at the rear end portion (the other circumferential side end portion) of the first flange portion 60B. And, the engaging portion 62C (engaging portion 64C) is inserted into the engaging groove 52E (engaging groove 54E) formed in the outer peripheral portion of the fixed-side outer shell member 52 (detachable-side outer shell member 54) and engages in a non-relative movement manner. Thereby, it is possible to engage the fixed-side cover member 62 (detachable-side cover member 64) with the fixed-side outer shell member 52 (detachable-side outer shell member 54) with a simple structure. In addition, the side surface on the cover 60 side of the engaging groove 52E (engaging groove 54E) of the housing 50 is formed as a groove-side inclined surface 52E2 (groove-side inclined surface 54E2). When observed in the longitudinal direction of the engaging groove 52E, the groove-side inclined surface 52E2 (groove-side inclined surface 54E2) inclines toward the housing 50 side as it goes toward the bottom side of the engaging groove 52E (engaging groove 54E). Furthermore, the engaging portion 62C (engaging portion 64C) of the cover 60 has a second engaging surface 62C2 (second engaging surface 64C2) that abuts against the groove-side inclined surface 52E2 (groove-side inclined surface 54E2). Thus, when the engaging portion 62C (engaging portion 64C) is inserted into the engaging groove 52E (engaging groove 54E), the engaging portion 62C (engaging portion 64C) can be brought closer to the housing 50 side by the groove-side inclined surface 52E2 (groove-side inclined surface 54E2). As a result, the end surface on the housing 50 side of the cover 60 can be made to closely adhere to the side surface in the left-right direction of the housing 50, and the cover 60 can be installed on the housing 50. Therefore, the installation state of the cover 60 on the housing 50 can be made good. In addition, the dividing surface 60D of the cover 60 is arranged flush with the dividing surface 50B of the housing 50. When observed in the axial direction of the shaft 34, the angle AG1 (angle AG2) between the dividing surface 50B of the housing 50 and the engaging groove 52E (engaging groove 54E) is set as an acute angle. Thus, the detachable-side cover member 64 can be fixed to the detachable-side housing member 54 in a state where the dividing surfaces 60D of the fixed-side cover member 62 and the detachable-side cover member 64 are in close contact with each other. That is, for example, the detachable-side cover member 64 is temporarily fixed to the detachable-side housing member 54 by a fastening bolt BL2. In this state, the detachable-side housing member 54 is fixed to the fixed-side housing member 52 by a fixing bolt BL1. After that, the fastening bolt BL2 is tightly fastened officially. At this time, the engaging portion 64C can be moved along the engaging groove 54E toward the fixed-side cover member 62 side by the rotational torque generated in the detachable-side cover member 64. Thus, the dividing surfaces 60D of the fixed-side cover member 62 and the detachable-side cover member 64 can be made to closely adhere to each other, and the detachable-side cover member 64 can be fixed to the detachable-side housing member 54. In addition, for example, when the fastening bolt BL2 is tightly fastened officially, an operator presses the detachable-side cover member 64 toward the rear side (the engaging groove 54E side), and thus the engaging portion 64C moves along the engaging groove 54E toward the fixed-side cover member 62 side. Therefore, also in this case, the dividing surfaces 60D of the fixed-side cover member 62 and the detachable-side cover member 64 can be made to closely adhere to each other, and the detachable-side cover member 64 can be fixed to the detachable-side housing member 54. Therefore, the close contact property of the fixed-side cover member 62 and the detachable-side cover member 64 can be improved. In addition, the fixed-side cover member 62 and the detachable-side cover member 64 have a second flange portion 60C provided at the end on the side of the drive roller 38 of the cover portion 60A, and a recess 38A that opens toward the housing 50 side is formed at the end on the housing 50 side of the drive roller 38. Further, the second flange portion 60C is housed inside the recess 38A. Thereby, a so-called labyrinth structure is formed between the cover 60 and the drive roller 38. Therefore, it is possible to suppress the case where the wire Y intrudes into the inside of the cover 60 from between the cover 60 and the drive roller 38. Accordingly, it is possible to effectively suppress the wire Y from being wound around the shaft 34. It should be noted that, in the present embodiment, the engaging portion 62C is provided on the fixed-side cover member 62, and the engaging portion 64C is provided on the detachable-side cover member 64, and the fastening portion of the fixed-side cover member 62 and the detachable-side cover member 64 is configured as one place, but the fastening portion of the fixed-side cover member 62 or the detachable-side cover member 64 may be provided in two places. That is, a fastening portion may be provided in place of the engaging portion on one of the fixed-side cover member 62 and the detachable-side cover member 64. In this case, since the fastening portion on the other of the fixed-side cover member 62 and the detachable-side cover member 64 remains as one place, the operability at the time of mounting and removal of the other of the fixed-side cover member 62 and the detachable-side cover member 64 can be improved. In particular, when the engaging portion 64C is provided only on the detachable-side cover member 64, for example, the fixed-side cover member 62 may be integrally formed with the fixed-side housing member 52. In this case, in a state where the detachable-side housing member 54 and the detachable-side cover member 64 are removed from the fixed-side housing member 52 (the state of (3) in FIG. 8), by releasing the fastening state of the drive roller 38 to the shaft 34 and sliding the drive roller 38 relative to the shaft 34, interference between the drive roller 38 and the second flange portion 60C of the fixed-side cover member 62 can be suppressed, and the shaft 34 can be removed from the housing 50. In addition, in the present embodiment, the engaging groove 52E of the housing 50 and the engaging portion 62C of the fixed-side cover member 62 are formed in a substantially wedge shape when observed from their longitudinal directions, and the engaging groove 52E and the engaging portion 62C are engaged in the axial direction of the shaft 34 and in the direction perpendicular to the axial direction (hereinafter, also referred to as the orthogonal direction). That is, the groove-side inclined surface 52E2 of the engaging groove 52E and the second engaging surface 62C2 of the engaging portion 62C function as portions that are engaged in the axial direction of the shaft 34 and portions that are engaged in the orthogonal direction. Similarly, the groove-side inclined surface 54E2 of the engaging groove 54E of the housing 50 and the second engaging surface 64C2 of the engaging portion 64C of the detachable-side cover member 64 function as portions that are engaged in the axial direction of the shaft 34 and portions that are engaged in the orthogonal direction. Instead, the shapes of the engaging groove 52E (engaging groove 54E) and the engaging portion 62C (engaging portion 64C) may be changed so that the engagement between the engaging groove 52E (engaging groove 54E) and the engaging portion 62C (engaging portion 64C) is divided into a portion engaged in the axial direction of the shaft 34 and a portion engaged in the orthogonal direction. Hereinafter, the shape change of the engaging groove 52E (engaging groove 54E) and the engaging portion 62C (engaging portion 64C) will be further described using the engaging groove 52E and the engaging portion 62C. That is, as shown in FIG. 9, the engaging groove 52E of the modification is formed as an inner portion in the left-right direction at the front end portion of the stepped portion 52D, and is formed in a concave shape that opens toward the shaft 34 when observed from its longitudinal direction. Specifically, the engaging groove 52E is configured to include an inner groove surface 52E3, a bottom surface 52E4 that extends outward in the left-right direction from the rear end portion of the inner groove surface 52E3, and an outer groove surface 52E5 that extends forward from the left-right direction outer end portions of the bottom surface 52E4. The inner groove surface 52E3 is arranged flush with the left and right side surfaces of the fixed-side housing member 52, similarly to the receiving surface 52E1 of the present embodiment. In addition, the inner groove surface 52E3 and the outer groove surface 52E5 are formed along a plane orthogonal to the left-right direction. The snap-in portion 62C of the deformed case, viewed from its length direction, corresponds to the snap-in slot 52E and forms a roughly rectangular shape. Specifically, the chuck 62C is configured to comprise a medial clamp surface 62C 3 , an anterior face 62C4 extending laterally from the posterior end portion of the medial catalytic plane 62C3 in a left-right direction, and an lateral chucked surface 62C5 extending from the anterior termination surface 62C4 toward the anterior side. The medial snap-in surface 62C3 is configured flush with the end face of the fixing side cover member 62 like the first snap-in surface 62C1 of this embodiment. In addition, the medial snap plane 62C3 as well as the outer snap plane 62C5 form along a face orthogonal with respect to the left-right direction. Furthermore, the snapping portion 62C is embedded within the snapping slot 52E, thereby snapping the snapping slot 52E and the snapping portion 62C along the axial and orthogonal directions of the axis 34 . That is, the medial slot surface 52E3 and the outer slot surface 52E5 of the snap-in slot 52E correspond to the portion of the snap-in surface 62C3 and the outer snap-in surface 62C5 along the axis 34 . In addition, the bottom surface 52E4 of the snap slot 52E and the leading surface 62C4 of the snap-on portion 62C correspond to the portion that snaps in an orthogonal direction. Thereby, as in this embodiment, the snap-in portion 62C (the snap-in portion 64C) securing the side cover member 62 (loading and unloading side cover member 64) can be fixed to the housing 50 . Moreover, in this embodiment, the thread feeding device 30 is applied to the dummy machine 10 , but the thread feeding device 30 may also be applied to the fiber machinery for generating POY, and the thread feeding device 30 can also be applied to the fiber machinery for generating fully stretched yarn (FDY: Fully Draw Yarn). In summary, the technical means disclosed in the present invention can effectively solve problems such as knowledge and achieve the expected purpose and efficacy. However, the above are only a few better embodiments of the invention, when this cannot limit the scope of the invention, that is, generally any equivalent changes and modifications made in accordance with the scope of the patent applied for the invention and the contents of the invention instructions shall remain within the scope of the invention patent. [Invention] 10: Dummy machine (fiber machinery) 12: Main body 14: Winding device 16: Wire supply cylinder frame 18: Silk channel 20: First heater 22: Cooling device 24: Dummy device 26: Second heater and 52: Fixed side shell part (semi-split support part) 52B: Fixed threaded part 52C: Fixed threaded part for cover 52D: Step part 52E: Snap-in slot 52E1: Seat surface 52E2: Slot side inclined surface 54A: Fixed hole 54C: Fixed threaded part for cover 54D: Step part 54E: Snap-in slot 54E1: Bearing surface 54E2: Slot side tilted surface 60: Cover 60A: Cover part 60B: First flange part 60C: Second flange part 60D: Split side cover part 62: Split side cover part 62: Split side cover part 62: 62C: snapping part 62C1: first snapping surface 62C2: second snapping surface ( snapping surface) 62C3: inner snapping surface 62C4: front end surface 62C5: outer snapping surface 64: loading and unloading side cover components (semi-split cover components) 64C2: Second snapping surface (fastening surface) AG1: Angle AG2: Angle BL1: Fixing bolt BL2: Fastening bolt (fastening component) [FIG. [Fig. 4] is an enlarged cross-sectional view representing the more anterior than the pedestal portion of the first thread feeding device shown in Fig. 3; (A) of [Figure 7] is a cross-sectional view representing the snap-in state of the snap-in portion of the loading and unloading side cover member and the snap-in slot of the loading-unloading side shell member shown in FIG. 4 (line cross-sectional view of 7A-7A of FIG. 4 [Figure 8] is an explanatory view from the front side for illustrating the flow of replacing the bearing of the first wire feed device; 50: Shell (Supporting Parts) 50A: Support hole 50B: Split surface 52: Fixed side shell components (half-split support components) 52B: Fixed threaded part 52C: Cover with fixed threaded part 52D: Step section 52E: Snap slot 54: Loading and unloading side shell components (semi-split support components) 54A: Fixed hole 54C: Cover with fixed threaded part 54D: Step section 54E: Snap slot 60: Cover 60A: Cover 60B: First flange part 60C: Second flange part 62: Fixed side cover part (half split cover part) 62A: Fixed part 62B: Fixed hole 62C: Catch part 64: Loading and unloading side cover components (half split cover components) 64A: Fixed part 64B: Fixed hole 64C: Catch part BL1: Fixed bolt BL2: Tightening bolt (tightening component)

Claims

1. A yarn feeding device, disposed in a yarn path of fiber machinery, the yarn feeding device comprising: a rotating shaft; a bearing supporting the rotating shaft in a rotatable manner; a roller disposed on the rotating shaft in a manner rotatable integral with the rotating shaft and disposed axially outward of the rotating shaft relative to the bearing, for feeding yarn traveling along the yarn path; a support member supporting the bearing and comprising a pair of semi-segmented support members radially divided along the rotating shaft; and a cover disposed between the support member and the roller, formed as a cylinder covering the rotating shaft radially outward, and comprising a pair of semi-segmented cover members radially divided along the rotating shaft, one of the semi-segmented cover members being connected to one of the semi-segmented support members, and the other of the semi-segmented cover members being connected to the other of the semi-segmented support members, at least one of the pair of semi-segmented cover members being configured to include: A fixing part, which is fastened to the half-segment support member by a fastening member; and an engaging part, which engages with the half-segment support member in the axial direction of the rotation axis and in a direction orthogonal to the axial direction.

2. The wire feeding device as described in claim 1, wherein, The semi-segmented cover component comprises: a semi-cylindrical cover portion that covers the rotation axis radially outward from the rotation axis; and a first flange portion disposed at the end of the cover portion on the support member side, a fixing portion disposed at one circumferential end of the first flange portion, and an engaging portion disposed at the other circumferential end of the first flange portion, an engaging groove formed on the outer periphery of the semi-segmented support member, which, when viewed axially, opens toward the rotation axis side and extends in a direction intersecting the segmentation surface of the support member, and the engaging portion is inserted into the engaging groove and engages with the semi-segmented support member in a manner that prevents relative movement.

3. The wire feeding device as described in claim 2, wherein, The side of the cover side of the engaging groove is configured as an inclined surface. When viewed from the length direction of the engaging groove, the inclined surface is inclined toward the support member as it moves toward the bottom side of the engaging groove. The engaging part has an engaging surface that abuts against the inclined surface.

4. The wire feeding device as described in claim 2 or claim 3, wherein, The dividing surface of the cover is flush with the dividing surface of the support member, and when viewed from the axial direction, the angle between the dividing surface of the support member and the engaging groove is set to an acute angle.

5. The wire feeding device as described in claim 2 or claim 3, wherein, The semi-segmented cover component has a second flange portion disposed at the end of the cover component on the roller side, and a recess opening toward the support member side is formed at the end of the roller on the support member side, and the second flange portion is disposed inside the recess.

6. The wire feeding device as described in claim 4, wherein, The semi-segmented cover component has a second flange portion disposed at the end of the cover component on the roller side, and a recess opening toward the support member side is formed at the end of the roller on the support member side, and the second flange portion is disposed inside the recess.

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