TW202204244A - Linear body tail wire holding fixture capable of reliably holding the tail wire of the linear body without being affected by the deformation of the side surface of the flange of the bobbin - Google Patents

Abstract

The present invention provides a linear body tail wire holding fixture capable of reliably holding the tail wire of the linear body without being affected by the deformation of the side surface of the flange of the bobbin. A linear body tail wire holding fixture (10) for holding the tail wire (M) of the linear body wound around a bobbin (1) includes a shaft-shaped plug (11) which is inserted into a through hole (2) of the bobbin (1); and a plate (30) having an axial side surface (31) opposite to the axial side surface (21) of the plug (11) and mounted to the plug (11). The tail wire (M) of the linear body is accommodated between the axial side surface of the plug (11) and the axial side surface of the plate (30).

Description

Linear body tail wire holding fixture

The present invention relates to a wire-shaped body tail wire holding jig for holding a wire-shaped body tail wire wound on a bobbin.

Conventionally, when storing a bobbin on which a linear body such as a monofilament, a tape, a yarn, or a wire rope is wound, it is necessary to hold the tail of the linear body on the bobbin so as not to fall off the bobbin. For example, it is described that in the spool described in Patent Document 1, a wire fixing flange is provided on the outer side of the spool flange so as to be adjacent to the spool flange, and the wire fixing flange and the spool flange are described as follows. A ring groove-shaped gap is formed between them, the O-ring is sandwiched into the ring groove-shaped gap, and the wire is pressed between the O-ring and any plate surface of the ring groove-shaped gap.

In addition, it is described that the wire hook for a bobbin described in Patent Document 2 is provided with a cylindrical main body part partially missing, which is detachably attached and fixed to a through hole formed in the center part of the bobbin and a partially missing annular flange portion formed to protrude outward along one opening edge of the partially missing cylindrical body portion, abutting against the opening end face of the bobbin, and at the Between the open end faces, a substantially V-shaped hooking space in cross-section capable of inserting the yarn is formed. [Prior Art Literature]

[Patent Literature] [Patent Document 1] Japanese Patent Application Laid-Open No. 4-182274 [Patent Document 2] Japanese Patent Application Laid-Open No. 5-81169

[Problems to be Solved by Invention] However, in the bobbin described in Patent Document 1, the wire rod is inserted into the ring groove-shaped gap portion on the side surface of the flange where the bobbin is used. Therefore, when the side surface is deformed due to long-term use, there is a problem that is retained. the possibility of the tail wire coming off the spool. The wire hook for a bobbin described in Patent Document 2 also uses the opening end of the bobbin to form a hooking space, and has the same problem.

The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to provide a linear body tail wire holding jig that can reliably hold the tail wire of the linear body without being affected by the deformation of the side surface of the flange of the bobbin. [Technical means to solve the problem]

The above-mentioned object of the present invention is achieved by the following structure. The present invention is a wire-shaped body tail wire holding jig for holding a wire-shaped body tail wire wound to a bobbin, wherein, This wire body tail wire retention jig features: a shaft-shaped plug to be inserted into the through hole of the bobbin; and a plate having an axial side opposite to the axial side of the plug in such a way as to retain the tail of the wire between the axial side of the plug and the axial side of the plate installed on this plug. [Effect of invention]

According to the wire-shaped body tail wire holding jig of the present invention, the tail wire of the linear body can be reliably held without being affected by the deformation of the side surface of the flange of the bobbin.

Hereinafter, a wire-shaped body tail wire holding jig according to an embodiment of the present invention will be described in detail based on the drawings. The bobbin 1 shown in FIG. 1 is used in order to wind up the monofilament (linear body) made of synthetic resin before manufacturing the spiral fastener element row of a slide fastener by a screw molding machine. The wire-shaped body tail wire holding jig 10 of the present embodiment is used to hold the tail wire M of the monofilament (see FIG. 3 ) when the monofilament is wound around the bobbin 1 .

As also shown in FIG. 2 , the holding jig 10 mainly includes: a shaft-shaped plug 11 to be inserted into the through hole 2 of the bobbin 1 in the axial direction; The axial side surface 31 of the annular plate 30 is mounted on the plug 11 ; the O-ring (elastic ring) 40 and the annular ring 41 are arranged on the axial side surface 21 of the plug 11 and the axial side surface 31 of the plate 30 and the magnet portion 50 for fixing the holding jig 10 to the bobbin 1 .

Specifically, the plug 11 has a first shaft portion 12 made of resin and inserted into the through hole 2 of the bobbin 1 , and a flange 20 provided at one end portion in the axial direction of the first shaft portion 12 , and It has an axial side surface 21; The diameter of the flange 20 is larger than the outer diameter of the first shaft portion 12 and the outer diameter of the second shaft portion 15 .

The outer diameter of the second shaft portion 15 is smaller than the outer diameter of the first shaft portion 12 . The axial side surface 21 of the flange 20 on the side of the second shaft portion extends from the outer peripheral surface of the second shaft portion 15 to the outer diameter side, and the other axial side surface 22 of the flange 20 on the side of the first shaft portion is opposite to the first shaft portion. 1. The outer peripheral surface of the shaft portion 12 is extended on the outer diameter side. The diameter of the outer peripheral surface of the second shaft portion 15 is formed to be smaller than the diameter of the outer peripheral surface of the first shaft portion 12 .

The plate 30 is opposite the axial side 21 formed on the flange 20 of the plug 11 . The axial side 22 formed on the flange 20 of the plug 11 is opposite the flange 3 of the spool 1 . The plate 30 is provided with a plurality of (four in the present embodiment) stepped penetrations penetrating in the axial direction at positions on the inner diameter side from the first shaft portion 12 of the plug 11 and at equal intervals in the circumferential direction. hole 32. A plurality of bolts (fixing members) 42 are arranged in the stepped through hole 32 , and the plurality of bolts (fixing members) 42 pass between the axial side surface 21 of the flange 20 of the plug 11 and the axial side surface 31 of the plate 30 . , and is screwed with the female thread portion 23 opened on the axial side surface 21 of the flange 20 .

In addition, the plurality of coil springs (biasing members) 43 are respectively arranged in a compressed state between the stepped portions 32 a of the plurality of stepped through holes 32 and the heads 42 a of the plurality of bolts 42 . Therefore, the plate 30 is attached to the plug 11 so as to be movable in the axial direction by the plurality of bolts 42 while being urged in the direction of approaching the plug 11 by the plurality of coil springs 43 .

In addition, on the axial side surface 21 of the flange 20 of the plug 11, a first ring groove 24 in which the O-ring 40 is disposed to protrude in the axial direction is formed. In addition, an annular groove 33 constituting the annular space S is formed at a position on the inner diameter side of the first annular groove 24 of the axial side surface 31 of the plate 30 . In addition, the annular groove 33 may partially overlap with the first ring groove 24 when viewed from the axial direction.

In addition, on the inner diameter side of the annular groove 33 and the outer diameter side of the stepped through hole 32 , a second radial direction side surface 21 of the plug 11 and the axial side surface 31 of the plate 30 are respectively formed at the same radial positions. Ring groove 25 and third ring groove 34. An annular ring 41 having an axial length substantially equal to the total of the axial lengths of the second annular groove 25 and the third annular groove 34 is fitted into the second annular groove 25 and the third annular groove 34 . The axial lengths of the second ring groove 25 and the third ring groove 34 are designed so that the annular ring 41 does not come off from the two ring grooves 25 and 34 even if the plate 30 moves relative to the plug 11 .

In addition, the third ring groove 34 is continuous with the annular groove 33 when viewed from the axial direction, and is formed to a position deeper than the annular groove 33 . In addition, the axial side surface 31 of the plate 30 is formed in a stepped shape so that the portion on the inner diameter side than the third ring groove 34 abuts on the axial side surface 21 of the plug 11 and the outer diameter side than the third ring groove 34 The side part is separated from the axial flank 21 of the plug 11 .

Therefore, the annular ring 41 is arranged on the inner diameter side than the O-ring 40 and the outer diameter side than the plurality of bolts 42 between the axial side surface 21 of the plug 11 and the axial side surface 31 of the plate 30 .

In addition, a tapered guide surface 26 inclined in a direction away from the plate 30 is formed at a position closer to the outer diameter side than the axial side surface 21 of the flange 20 toward the outer diameter side. Thereby, the tail wire M of the monofilament can be guided toward between the axial side surface 21 of the plug 11 and the axial side surface 31 of the plate 30 by the guide surface 26 .

In addition, the plurality of magnet parts 50 are respectively fixed to the other axial side surface 22 of the flange 20 by screws 51, and are fixed to the axial side surface 3a of the flange 3 of the bobbin 1 as shown in FIG. 1 .

In the holding jig 10 thus constructed, as shown in FIG. 3 , the tail wire M of the monofilament is sandwiched between the O-ring 40 and the axial side surface 31 of the board 30, and the axial side surface 21 of the plug 11 and the board The axial side surfaces 31 of the 30 are wound and accommodated in the annular space S between the O-ring 40 and the annular ring 41 . Thereby, the tail wire M of the monofilament can be reliably held by the holding jig 10 without being affected by the deformation of the side surface 3a of the flange 3 of the bobbin 1, and the tail wire M can be prevented from falling off the bobbin and hanging down. The tail wire M is wound around the annular space S between the O-ring 40 and the annular ring 41 one or more times.

In addition, the annular ring 41 is provided on the outer diameter side of the plurality of bolts 42, so that when the tail wire M of the monofilament is drawn toward the bobbin 1 side and is wound inwardly, it can be prevented from being caught in the annular ring 41. The case where the tail M of the monofilament on the outer peripheral surface is in contact with the plurality of bolts 42 .

The plate 30 is attached to the plug 11 so as to be movable in the axial direction by a plurality of bolts 42 , and the plate 30 is urged in a direction approaching the plug 11 by a plurality of coil springs 43 . Therefore, the monofilament tail M can be reliably held by the holding jig 10, and the monofilament tail M can be easily separated by separating the plate 30 from the flange 20 against the biasing force of the plurality of coil springs 43. Clips in and drains easily.

In addition, the first shaft portion 12 is hollowed out from the front end surface to form a hollow portion 13 , thereby reducing the weight of the holding jig 10 .

In addition, there are the following two types of winding methods for winding the monofilament, which is a linear body, on a bobbin. Specifically, in the method shown in FIG. 4( a ), firstly, the monofilament is wound around the bobbin 1 a plurality of times, and finally, the tail M of the monofilament is wound and held by the holding jig 10 . In the method shown in FIG. 4( b ), firstly, the tail wire M of the monofilament is wound around the holding jig 10 , and thereafter, the monofilament is wound around the bobbin 1 . In this case, the monofilament is wound around the bobbin 1 after the tail wire M is wound multiple times and held in the annular space S between the O-ring 40 and the annular ring 41 . In the latter case, when the monofilament is wound on the bobbin 1 in sequence, even if the monofilament is pulled toward the bobbin side and tension is applied to the monofilament, the presence of the annular ring 41 allows the O-ring 40 to be connected to the annular In the annular space S between the loops 41, the tail wire M is wound and held to the outer peripheral surface of the annular loop 41, and the monofilament is wound around the bobbin 1 at a uniform height while maintaining this state. In addition, the annular ring 41 can move and rotate in the annular grooves of the second ring groove 25 and the third ring groove 34, and the tail wire M is drawn into the bobbin 1 by the rotation of the annular ring 41, so that the single coil can be easily wound at a uniform height. Silk.

In addition, this invention is not limited to the said embodiment, In the range which does not deviate from the summary of this invention, it can deform|transform and improve suitably. For example, the O-ring 40 may be arranged on either the axial side surface 21 of the plug 11 or the axial side surface 31 of the plate 30 . However, in the case where the annular groove 33 is formed as in the present embodiment, it is preferable that the part in which the annular groove 33 is formed is different from the part in which the first ring groove 24 is formed. Thereby, the O-ring 40 can be prevented from being drawn into the annular space S together with the monofilament when the tail M of the monofilament is drawn toward the bobbin 1 side and wound inwardly.

In addition, in this embodiment, the case where a monofilament is wound around a bobbin is shown, and the linear body of this invention is not limited to a monofilament. For example, when the linear body has elasticity, the elastic ring may not be provided, but the gap between the axial side surface of the plug and the axial side surface of the plate may be adjusted to hold the tail of the linear body on the plug. between the axial side of the plate and the axial side of the plate.

In addition, the magnet may not be attached to the flange 20 of the wire tail wire holding jig 10 . For example, instead of the magnet, a pin and a protruding protrusion may be provided on the flange 20 of the filament tail holding jig 10, and a hole may be formed on the plate 3 of the spool 1 at a position facing the pin and the protrusion, and the flange may be The pins and protrusions of 20 are inserted into the holes of the plate 3 to position and attach the wire tail wire holding jig 10 to the bobbin 1 .

As described above, the following matters are disclosed in this specification. (1) A wire-shaped body tail wire holding jig that holds a wire-shaped body tail wire wound to a bobbin, the wire-shaped body tail wire holding jig having: A shaft-shaped plug to be inserted into the through hole of the spool; and A plate having an axial side opposite to the axial side of the plug and mounted to the plug in a manner that retains the tail of the wire body between the axial side of the plug and the axial side of the plate. According to this configuration, the tail wire of the linear body can be reliably held without being affected by the deformation of the side surface of the flange of the bobbin, and the tail wire can be prevented from falling off the bobbin and hanging down.

(2) The linear body tail wire holding jig according to (1), wherein, The wire-shaped body tail wire holding jig further includes an elastic ring arranged on either the axial side surface of the plug or the axial side surface of the plate, The board is mounted to the plug in such a way that the tail of the wire is sandwiched between the elastic ring and any other of the axial side of the plug and the axial side of the board, and the wire is inserted inside the elastic ring The tail wire remains in the annular space between the axial side of the plug and the axial side of the plate. According to this structure, the tail wire of the linear body is sandwiched between the elastic ring and the other one of the axial side surface of the plug and the axial side surface of the plate, so that the tail wire of the linear body can be held more reliably.

(3) The linear body tail wire holding jig according to (2), wherein, The plug has: a first shaft part to be inserted into the through hole of the bobbin; a flange provided at one end part in the axial direction of the first shaft part and having an axial side surface; and a second shaft part opposite to the The flange protrudes to the side opposite to the first shaft portion, and the plate is sheathed on the second shaft portion, The plate is attached to the plug so as to be movable in the axial direction by the plurality of fixing members while being urged in the direction of approaching the plug by the plurality of urging members, The plate is separated from the flange against the force of the plurality of urging members, so that the tail wire of the linear body can be sandwiched and the tail wire of the linear body can be discharged. According to this structure, the pinching and discharge of the tail wire of the linear body can be easily performed.

(4) The linear body tail wire holding jig according to (3), wherein, A plurality of fixing members pass between the axial side surface of the plug and the axial side surface of the plate at a position closer to the inner diameter side than the elastic ring, Between the axial side surface of the plug and the axial side surface of the plate, an annular ring is arranged at a position closer to the inner diameter side than the elastic ring and closer to the outer diameter side than the plurality of fixing members, The tail wire of the linear body is accommodated in the annular space between the elastic ring and the annular ring between the axial side surface of the plug and the axial side surface of the plate. According to this configuration, when the tail wire of the linear body is pulled toward the bobbin side and wound inward, the loop ring can prevent the tail wire of the linear body from contacting the plurality of fixing members.

(5) The linear body tail wire holding jig according to (4), wherein The annular ring is fitted into the second ring groove formed on the axial side surface of the plug and the third ring groove formed on the axial side surface of the plate. According to this configuration, the tail wire of the linear body can be prevented from coming into contact with the plurality of fixing members over the annular ring.

(6) The linear body tail wire holding jig according to any one of (3) to (5), wherein, The elastic ring is arranged in the first ring groove formed in any one of the axial side surface of the plug and the axial side surface of the plate, An annular groove constituting an annular space is formed at a position on the inner diameter side of the first annular groove of the other of the axial side surface of the plug and the axial side surface of the plate. According to this configuration, many tail wires of the linear body can be accommodated in the annular space by the annular groove, and the elastic coil and the wire can be restrained when the tail wires of the linear body are drawn toward the bobbin side and wound inwardly. The caudal line of the body is pulled into the annular space together.

(7) The linear body tail wire holding jig according to (3), wherein, A tapered guide surface inclined in a direction away from the plate is formed at a position closer to the outer diameter side than the axial side surface of the flange. According to this structure, the tail wire of the linear body can be guided between the axial side surface of the plug and the axial side surface of the plate by the guide surface.

(8) The linear body tail wire holding jig according to (3), wherein, A magnet portion for fixing the holding jig to the bobbin is fixed to the other axial side surface of the flange on the opposite side to the axial side surface of the flange. According to this structure, the workability|operativity of fixing|fixed the wire tail wire holding|maintenance jig|tool to the bobbin can be improved.

1: Spool 2: Through hole 3: Board 3a: side 10: Linear body tail wire holding fixture 11: Plug 12: The first shaft 13: hollow part 15: The second shaft 20: Flange 21: Axial side 22: The other axial side 23: Internal thread part 24: 1st ring groove 25: 2nd ring groove 26: Guide surface 30: Board 31: Axial side 32: Through hole with step 32a: Step part 33: Annular groove 34: 3rd ring groove 40: O-ring (elastic ring) 41: annular ring 42: Bolts (fixed components) 42a: head 43: Coil spring (force member) 50: Magnet part 51: Screws S: annular space

FIG. 1 is a cross-sectional view showing a state in which a wire-shaped body tail wire holding jig according to an embodiment of the present invention is attached and fixed to a spool. FIG. 2 is a cross-sectional view of the wire-shaped body tail wire holding jig of FIG. 1 . FIG. 3 is a view viewed from the direction of III-III in FIG. 2 . FIG. 4( a ) is a diagram showing a winding method of winding a monofilament on a bobbin, and FIG. 4( b ) is a diagram showing another winding method of winding a monofilament on a bobbin.

10: Linear body tail wire holding fixture

11: Plug

12: The first shaft

13: hollow part

15: The second shaft

20: Flange

21: Axial side

22: The other axial side

23: Internal thread part

24: 1st ring groove

25: 2nd ring groove

26: Guide surface

30: Board

31: Axial side

32: Through hole with step

32a: Step part

33: Annular groove

34: 3rd ring groove

40: O-ring (elastic ring)

41: annular ring

42: Bolts (fixed components)

42a: head

43: Coil spring (force member)

50: Magnet part

51: Screws

S: annular space

Claims (8)

A wire-shaped body tail wire holding jig holding a wire-shaped body tail wire (M) wound to a bobbin (1), the wire-shaped body tail wire holding jig (10) having: a shaft-shaped plug (11) to be inserted into the through hole (2) of the bobbin (1); and A plate (30) having an axial side (31) opposite the axial side (21) of said plug (11), and to hold the tail (M) of said wire on said plug ( 11) is mounted on the plug (11) in a manner between the axial side (21) of the plate (30) and the axial side (31) of the plate (30). The linear body tail wire holding fixture of claim 1, wherein, The linear body tail wire holding jig (10) further includes an elastic ring (40) arranged on either the axial side surface of the plug (11) or the axial side surface of the plate (30), The plate (30) is mounted on the plug (11) in the following way: the tail wire (M) of the linear body is sandwiched between the elastic ring (40) and the axial side surface of the plug (11) and any other of the axial sides of the plate (30), and inside the elastic ring (40) to hold the tail wire (M) of the linear body on the plug (11) ) and the annular space (S) between the axial sides of the plate (30). The linear body tail wire holding fixture of claim 2, wherein, The plug (11) has: a first shaft part (12) to be inserted into the through hole (2) of the bobbin (1); a flange (20) provided on the first shaft part (12) one end portion in the axial direction of the shaft, and has the axial side surface; and a second shaft portion (15), which protrudes to the opposite side of the first shaft portion (12) with respect to the flange (20), so The plate (30) is sleeved on the second shaft portion (15), The plate (30) is axially movably mounted on a plurality of fixing members (42) in a state where the plate (30) is urged in a direction approaching the plug (11) by a plurality of biasing members (43). the plug (11), The plate ( 30 ) is separated from the flange ( 20 ) against the force of the plurality of urging members ( 43 ), so that the tail wire (M) of the linear body can be discharged. The linear body tail wire holding fixture of claim 3, wherein, The plurality of fixing members ( 42 ) pass between the axial side surface of the plug ( 11 ) and the axial side surface of the plate ( 30 ) at a position closer to the inner diameter side than the elastic ring ( 40 ) , Between the axial side surface of the plug ( 11 ) and the axial side surface of the plate ( 30 ), on the inner diameter side of the elastic ring ( 40 ) and more than the plurality of fixing members ( 42 ) ) an annular ring (41) is arranged on the outer diameter side, The tail wire (M) of the linear body is accommodated in the elastic ring (40) and the annular between the axial side surface of the plug (11) and the axial side surface of the plate (30). The annular space (S) between the circles (41). The linear body tail wire holding fixture of claim 4, wherein, The annular ring (41) is fitted into the second ring groove (25) formed on the axial side surface of the plug (11) and the third ring groove (34) formed on the axial side surface of the plate (30). ). The wire-shaped body tail wire holding fixture according to any one of claim 3 to claim 5, wherein, The elastic ring (40) is arranged in a first ring groove (24) formed in any one of the axial side surface of the plug (11) and the axial side surface of the plate (30), The other one of the axial side surface of the plug ( 11 ) and the axial side surface of the plate ( 30 ) is formed at a position on the inner diameter side of the first ring groove ( 24 ). Annular groove (33) of annular space (S). The linear body tail wire holding fixture of claim 3, wherein, A tapered guide surface (26) inclined in a direction away from the plate (30) as it goes to the outer diameter side is formed at a position on the outer diameter side of the flange (20) relative to the axial side surface. . The linear body tail wire holding fixture of claim 3, wherein, The other axial side surface (22) of the flange (20) on the opposite side to the axial side surface of the flange (20) is fixed with a jig for fixing the holding jig to the bobbin (1). the magnet part (50).

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