TWI471466B - Multiple yarn guide - Google Patents

Description

Multi-yarn guide

The present invention relates to a guide for a multi-yarn.

Japanese Patent Laid-Open Publication No. 2005-179807 discloses an entanglement processing device including a guide for restricting and maintaining a path for traveling yarn. In other words, as shown in Fig. 3 of Patent Document 1, a plurality of cylindrical restriction guides G1 for restricting the yarn passage are arranged and arranged before and after the fluid processing portion for performing the yarn interlacing treatment, and Further, a rod-shaped guide G2 that is rounded across the plurality of restriction guides G1 is provided. Next, the passage of the yarn is formed by the adjacent restriction guide G1 and the rod-shaped rod guide G2.

Further, Patent Document 2 (JP-A-2008-504462) discloses a yarn guiding beam which is disposed before and after a nozzle block for processing a multifilament yarn. As shown in Fig. 2 of Patent Document 2, the yarn guiding beam is comb-shaped in accordance with the flow of a certain number of yarns.

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2005-179807

[Patent Document 2] Japanese Patent Laid-Open Publication No. 2008-504462

However, in the structure of the above-mentioned Patent Document 1, since the rod-shaped guide G2 of a round bar shape is required in order to realize the passage of the yarn, the number of parts is large, and assembly is not easy. Further, the comb-like structure used in the above Patent Document 2 generally tends to be easily broken.

The present invention has been made in view of the above-described points, and an object of the present invention is to provide a guide for a plurality of yarns which has a small number of parts, is easy to assemble, and is not easily broken.

The problem to be solved by the present invention is as described above, and the means for solving the above problems and the effects thereof will be described next.

According to the viewpoint of the present invention, a guide for a multi-yarn constituting the following description is provided. That is, the multi-yarn guide has a guide member provided in a plurality of arrays. Each of the guide members is formed with a yarn accommodating space in which the traveling yarn can be accommodated, or the yarn accommodating space is formed by the adjacent pair of the guiding members. According to the above configuration, compared with the technique disclosed in FIG. 3 of Patent Document 1, since the rod-shaped guide G2 having a round bar shape is not required, this portion can reduce the number of parts and be easy to assemble. Further, the comb-like yarn guiding beam disclosed in the second drawing of Patent Document 2 is not easily broken. Moreover, in the case where the above-described guide member is damaged, it is only necessary to replace the damaged guide member, so that the maintenance cost can be reduced.

The above-described multi-yarn guide further constitutes the following description. That is, the number of the plurality of guiding members can be increased or decreased. According to the above configuration, the number of the yarn accommodating spaces can be changed.

The above-described multi-yarn guide further constitutes the following description. That is, the multi-yarn guide has an elongated member. Each of the guide members is supported by the elongated member by being engaged with the elongated member. According to the above configuration, it is possible to realize the arrangement of the plurality of guiding members and the increase or decrease of the number of the plurality of guiding members.

The above-described multi-yarn guide further forms the following description. That is, the yarn accommodating space is formed by a pair of adjacent guide members. According to the above configuration, the shape of the guide member can be simplified as compared with the case where the yarn accommodating space is formed in each of the guide members. In addition, the shape of the guide member is simplified, which contributes to the narrow pitch of the yarn accommodating space, and accordingly, contributes to miniaturization of the apparatus including the multi-yarn guide.

The above-described multi-yarn guide further forms the following description. That is, the surface direction of the mating surface of the pair of adjacent guide members is inclined with respect to the traveling direction of the yarn accommodated in the yarn accommodating space. According to the above configuration, since the yarn does not fall into the gap of the mating surface, the manufacturing cost can be reduced from the viewpoint of the processing accuracy of the mating surface.

The above-described multi-yarn guide further forms the following description. That is, each of the guiding members is formed with: a first protrusion; and a second protrusion for restricting movement of the yarn in a direction perpendicular to the arrangement direction. The yarn accommodating space described above is formed by a slit formed by an adjacent pair of the first protrusions, and the second protrusion. According to the above configuration, the configuration of supporting the aforementioned yarn from three directions can be succinctly realized.

The above-described multi-yarn guide further forms the following description. That is, the inclination angle between the surface direction of the mating surface and the traveling direction of the yarn can be changed. According to the above configuration, when the inclination angle described above is changed, the distance between the adjacent pair of the first projections is increased or decreased. Therefore, according to the above configuration, the slit width of the slit can be changed.

The above-described multi-yarn guide further forms the following description. In other words, the claw portion for preventing the yarn from coming off from the yarn accommodating space is formed in at least one of the adjacent pair of the guide members. According to the above configuration, it is possible to prevent the yarn from coming off from the yarn accommodating space from coming off with a simple structure.

The above-described multi-yarn guide further forms the following description. That is, the yarn accommodating space is formed in each of the above-described guide members. According to the above configuration, the yarn accommodating space is separated from the mating faces of the adjacent pair of the guide members.

The above-described multi-yarn guide further forms the following description. That is, each of the guide members is formed with a slit that allows the yarn accommodating space to communicate with the outside, and a claw portion that prevents the yarn from the yarn accommodating space from falling off. According to the above configuration, the structure in which the yarn is inserted into the yarn accommodating space and the structure in which the yarn from the yarn accommodating space is detached can be realized in a simple structure.

<First Embodiment>

Hereinafter, a first embodiment of a spinning and stretching device using the multi-yarn guide of the present invention will be described with reference to Figs. Fig. 1 is a schematic view showing the overall structure of a spinning extension device (manufacturing device for synthetic fiber yarn).

In the spinning and stretching device 100 shown in the figure, the multi-array yarn Y (yarn) in the molten polymer state discharged from the ferrule 1 is cooled and solidified by the air blower from the cooling device 2. After passing through the lubricating device 3, it is sent to the yarn heating device 4. The yarn heating device 4 includes a pair of rollers 5 and 6 disposed above and below, and is configured to heat the multifilament yarn Y while being wound around the rollers 5 and 6.

A traction roller 7 is provided on the downstream side of the yarn heating device 4, and the traction roller 7 is formed by the main roller 7a and the auxiliary roller 7b. The main roller 7a is driven by a motor (not shown). Next, a specific speed difference is set between the peripheral speed of the main roller 7a of the traction roller 7 and the peripheral speed of the rollers 5 and 6 of the yarn heating device 4, whereby the yarn heating device can be used. 4 and the traction roller 7 extend the multifilament yarn Y.

On the downstream side of the traction roller 7, an interlacing device 8 is provided which can simultaneously align the multi-array multifilament yarn Y. Next, a pair of yarn guides 9 (multi-yarn guides) for guiding the multi-array multifilament yarn Y are provided above and below the winding device 8.

On the further downstream side of the traverse device 8, a take-up device 11 is disposed. The winding device 11 includes a rotating shaft 12, and a plurality of winding take-up bobbins 13 constituting a cylindrical shape are attached to the rotating shaft 12, so that a plurality of yarns can be wound at the same time. Further, the winding device 11 is provided with the contact roller 10, and is configured to contact the contact roller 10 with the outer peripheral surface of the take-up bobbin 13 or the multifilament which has been taken up by the take-up bobbin 13 with an appropriate contact pressure. The outer peripheral surface of the yarn layer of the yarn Y is wound around the take-up bobbin 13 while the multifilament yarn Y is being wound. The take-up speed at this time is, for example, 6000 m/min.

Next, the configuration of the yarn guide 9 described above will be specifically described. Fig. 2 is a perspective view of a yarn guide according to the first embodiment of the present invention. Fig. 3 is a view similar to Fig. 2, for the convenience of explanation, the guide rails (not shown) are omitted. Fig. 3(b) is a view of the arrow direction of the arrow b of the third (a).

As shown in Fig. 2, the yarn guide 9 of the present embodiment includes the following main members: a guide block 15 (guide member) provided in a plurality of arrays; and a guide rail for supporting the guide block 15 16 (long strip members).

A dovetail groove 17 having a C-shaped cross section is formed in the guide rail 16, and as shown in Fig. 3, the engagement projections 18 that are engaged with the dovetail groove 17 are provided in the respective guide blocks 15. In this configuration, the plurality of guide blocks 15 are supported by the guide rails 16 and the guide rails 16 are supported by the guide projections 18 of the guide blocks 15 and the dovetail grooves 17 of the guide rails 16 . Arranged in the length direction. Further, as shown in Fig. 2, the pair of stoppers 19 are fitted to the guide rails 16, and the guide blocks 15 which are arranged in a plurality of rows are accommodated from both ends. Then, the pair of stoppers 19 are fixed to the guide rails 16 by screws (fixing means) (not shown) in a state of being pressed toward each other, and are arranged in plural along the longitudinal direction of the guide rails 16 The guiding blocks 15 are formed in close contact with each other. The number of the guiding blocks 15 arranged on the guide rail 16 is arbitrary.

Further, in the second and third figures, the multifilament yarn Y is indicated by a two-dotted broken line, and as can be seen from the above-mentioned drawing, in the yarn guide 9 of the present embodiment, it is adjacent to the yarn. A yarn accommodating space S for accommodating the traveling multifilament yarn Y is formed between the guide blocks 15.

Figure 4 is an enlarged view of the guiding block. That is, the fourth (a) is a perspective view of the guiding block 15, the fourth (b) is the arrow direction view of the fourth (a) figure, and the fourth (c) is the guiding block 15 Top view.

As shown in FIGS. 4(a) and 4(b), the guide block 15 is configured by a base portion 20 including a pair of engaging projections 18 that are engaged with the guide rails 16; and a guide In the portion 21, the guiding portion 21 protrudes from the base portion 20 to form a yarn accommodating space S. The base portion 20 has a parallelogram shape in a plan view as shown in (c) of the drawing, and a surface direction Fd of the mating surface F between the adjacent other guide blocks 15 and a traveling direction Yd of the multifilament Y. The inclination angle θ between them is about 25 degrees in this embodiment.

Further, the above-described guide portion 21 has a portion as a main structure: a first protrusion 22 and a second protrusion 23 which are vertically protruded from the base portion 20. The first projection 22 having a higher height than the second projection 23 of the latter is enlarged in the same direction as the traveling direction Yd of the multifilament Y in the plan view of the drawing (c) to form a slightly positive triangular shape. The cross section is in contact with the multifilament yarn Y in the horizontal direction (i.e., the longitudinal direction of the guide rail 16 shown in Fig. 2, which is the same in the following description). Next, the pair of corner portions 22a that are in contact with the multifilament yarn Y are subjected to polishing in a substantially circular arc (rounded corner) shape. Further, as shown in Figs. (a) and (b), at the upper end of the first projection 22, a guide surface 22b for guiding the multifilament yarn Y to be inserted into the slit 24 to be described later is formed. Further, the second protrusion 23 is located on the more upstream side of the traveling direction Yd of the multifilament Y than the first protrusion 22. The second protrusion 23 is formed to be displaced in the horizontal direction with respect to the first protrusion 22 in accordance with the inclination of the traveling direction Yd of the base portion 20 in the plan view of the figure (c). In other words, when the guide block 15 is seen from the downstream side of the traveling direction Yd of the multifilament Y, the second projection 23 is not completely masked behind the first projection 22, but forms an image across the corner portion 22a. The positional relationship of the ground. Next, the second projection 23 is in contact with the multifilament yarn Y in the vertical direction (that is, the protruding direction of the first projection 22, and the same in the following description).

Figure 5 is a top view of the yarn guide. That is, the fifth (a) is a plan view of the yarn guide 9, and the fifth (b) is a front view of the yarn guide 9. As shown in the fifth (a) and (b), once the above-described guide block 15 is laid on the guide rail 16, a slit 24 having a slit width w is formed between the adjacent first projections 22, and is formed. When the slit 24 is seen from the downstream of the traveling direction Yd of the multifilament Y, the second projection 23 can be seen in the slit 24.

According to the above configuration, the yarn accommodating space S of the yarn guide 9 of the present embodiment is formed between the adjacent pair of guide blocks 15 as shown in Fig. 2 . More specifically, the yarn accommodating space S described above is constituted by a slit 24 which is formed by a pair of adjacent first projections 22 as shown in Fig. 5(b); And the second protrusion 23, the second protrusion 23 can be seen from the gap 24. Next, in order to insert the multifilament yarn Y into the yarn accommodating space S, the multifilament yarn Y may be inserted into the slit 24 in accordance with the direction of the arrow indicated by the figure N of the figure (b). Irregular sway of the multifilament yarn Y that travels in the yarn accommodating space S with a desired tension is restricted by the first projection 22 in the horizontal direction and by the second projection in the vertical direction. 23 restrictions.

Figure 6 is a top view of the yarn guide. As shown in the figure, the above-described inclination angle θ is determined by the inclination between the surface direction Gd of the mating surface G of the stopper surface 19 facing the mating surface F and the traveling direction Yd of the multifilament yarn Y, and the slit The slit width w of 24 is governed by the above-described inclination angle θ. Therefore, comparing the figures (a) and (b), it can be seen that the slit width w can be freely changed as long as a plurality of different stoppers 19 are selectively used in the surface direction Gd of the mating surface G.

(to sum up)

As described above, the yarn guide 9 of the first embodiment described above constitutes the following description. That is, the yarn guide 9 is provided with the guide block 15 provided in a plurality of arrays. The yarn accommodating space S for accommodating the multi-filament yarn Y during walking is formed by the adjacent pair of guide blocks 15. According to the above configuration, compared with the technique disclosed in FIG. 3 of Patent Document 1, since the rod-shaped guide G2 having a round bar shape is not required, this portion can reduce the number of parts and be easy to assemble. Further, the comb-like yarn guiding beam disclosed in the second drawing of Patent Document 2 is not easily broken. Moreover, in the case where the above-described guide member is damaged, it is only necessary to replace the damaged guide member, so that the maintenance cost can be reduced.

The above-mentioned "arrangement setting" includes the case where it is set according to the completely arranged aspect shown in Fig. 2; and the case where it is not completely arranged, but is provided in a state having a plurality of offsets.

The yarn guide 9 described above further constitutes the following description. That is, the number of the plurality of guide blocks 15 can be increased or decreased. According to the above configuration, the number of the yarn accommodating spaces S can be changed. In order to increase or decrease the number of the guide blocks 15, it is only necessary to temporarily remove the stopper 19 from the guide rail 16.

The yarn guide 9 described above further constitutes the following description. That is, the yarn guide 9 is provided with the guide rail 16. Each of the guide blocks 15 is supported by the guide rail 16 by being engaged with the guide rail 16. According to the above configuration, it is possible to realize the arrangement of the plurality of guide blocks 15 and the increase and decrease of the number of the plurality of guide blocks 15 in a simple configuration.

The yarn guide 9 described above further constitutes the following description. That is, the yarn accommodating space S is formed by an adjacent pair of guiding blocks 15. According to the above configuration, the shape of the guide block 15 can be simplified as compared with the case where the yarn accommodating space S is formed in each of the guide blocks 15. In addition, since the shape of the guide block 15 is simplified, the narrow pitch of the yarn accommodating space S is facilitated, and accordingly, the spinning extension device 100 including the yarn guide 9 is miniaturized. Contribution.

The yarn guide 9 described above further constitutes the following description. That is, the surface direction Fd of the mating surface F of the adjacent pair of guide blocks 15 is inclined with respect to the traveling direction Yd of the multifilament yarn Y accommodated in the yarn accommodating space S. According to the above configuration, since the multifilament yarn Y does not fall into the gap of the mating surface F, the manufacturing cost can be reduced from the viewpoint of the processing accuracy of the mating surface F.

The yarn guide 9 described above further constitutes the following description. That is, each of the guide blocks 15 is formed with: a first protrusion 22; and a second protrusion 23 for restricting the multifilament yarn positioned in a direction perpendicular to the arrangement direction Y's movement. The yarn accommodating space S described above is formed by a slit 24 formed by an adjacent pair of the first projections 22 and the second projection 23. According to the above configuration, the configuration of supporting the multifilament yarn Y from three directions can be succinctly realized.

The yarn guide 9 described above further constitutes the following description. In other words, the inclination angle θ between the surface direction Fd of the mating surface F and the traveling direction Yd of the multifilament yarn Y can be changed. According to the above configuration, when the inclination angle θ described above is changed, the distance between the adjacent pair of the first projections 22 is increased or decreased. Therefore, according to the above configuration, the slit width w of the slit 24 can be changed.

<Modification of First Embodiment>

Next, a modification of the first embodiment will be described with reference to Figs. 7 to 9 . Fig. 7 is a perspective view of a yarn guide according to a modification of the first embodiment of the present invention. Fig. 8 is an enlarged view of a guide block of the present modification. That is, the eighth (a) is a plan view of the guide block 15, the eighth (b) is a front view of the guide block 15, and the eighth (c) is a perspective view of the guide block 15. Hereinafter, the differences between the modified example and the first embodiment will be mainly described, and the overlapping description will be appropriately omitted.

Comparing Fig. 4 and Fig. 8, it can be seen that in the first embodiment, the second projection 23 and the first projection 22 are sequentially along the traveling direction Yd of the multifilament Y (in the order indicated). form. On the other hand, in the present modification, the first projecting portion 22 and the second projecting portion 23 are formed sequentially (in the order indicated) along the traveling direction Yd of the multifilament yarn Y.

In the first embodiment described above, the base portion 20 has a parallelogram shape in plan view. On the other hand, in the present modification, the base portion 20 has a rectangular shape in a plan view.

Unlike the first embodiment described above, in the present modification, the first projection 22 is formed to protrude in the horizontal direction from the base portion 20.

Fig. 9 is a plan view of the yarn guide of the present modification. Fig. 9(a) is a plan view of the yarn guide 9, and Fig. 9(b) is a front view of the yarn guide 9. That is, the guide block 15 of the present modification is as shown in FIG. 8(a), the base portion 20 has a rectangular shape instead of the parallelogram in a plan view, and the first protrusion 22 is horizontally directed from the base portion 20. As shown in Fig. 9(a), as seen in the first embodiment, when the yarn guide 9 is seen from the upper side of the traveling direction Yd of the multifilament Y, the second projection can be seen in the slit 24. Part 23.

<Second embodiment>

Next, a second embodiment of the present invention will be described with reference to Figs. Fig. 10 is a perspective view similar to Fig. 2, showing a perspective view of a yarn guide according to a second embodiment of the present invention. That is, Fig. 10(a) is a perspective view of the yarn guide 9, and Fig. 10(b) is a view of the arrow direction of Fig. 10(a). 11 and 12 are enlarged views of the guiding block. That is, the 11th (a) and (b) are perspective views of the guide block 15, and the 11th (b)th view is the b-arrow direction view of the 11th (a). Further, Fig. 12(a) is a front view of the guiding block 15, a twelfth (b) is a left side view of the guiding block 15, and a twelfth (c) is a right side view of the guiding block 15, 12(d) is a plan view of the guide block 15, and Fig. 12(d') is a partial enlarged view of the d' portion of the 12th (d) figure. Hereinafter, the portions of the present embodiment that are different from the above-described first embodiment will be mainly described, and the overlapping description will be appropriately omitted.

As shown in Figs. 10(a) and (b), the yarn guide 9 of the present embodiment is the same as the yarn guide 9 of the first embodiment, and is adjacent to the pair of guide blocks 15 A yarn accommodating space S for accommodating the multifilament yarn Y during walking is formed.

In the yarn guide 9 of the present embodiment, the structure of the guide block 15 is different from that of the yarn guide 9 of the first embodiment. Hereinafter, the structure of the guide block 15 of the yarn guide 9 in the present embodiment will be described with reference to Figs. 11 to 13 .

As shown in Figs. 12(a) to (c), the above-described guide portion 21 has a structure mainly composed of a third projection 30 that is vertically protruded from the base portion 20. As shown in the figure (d), the third protrusion 30 has the same shape as the base portion 20 and has a parallelogram shape in plan view and is point-symmetric. Next, a pair of corner portions forming an acute angle are formed in the four corner portions of the parallelogram, and as shown in Fig. 3(a), a notch 31 having an opening formed in the horizontal direction is recessed. In the present embodiment, the notch 31 is a main portion constituting the yarn accommodating space S. Further, in the third projection 30, a conical tapered surface 32 surrounding the notch 31 is recessed, whereby the contact distance between the inner wall surface of the notch 31 and the multifilament yarn Y can be shortened. The claw portion 33 appears along the side opposite to the notch 31 through the base portion 20, along with the formation of the above-mentioned notch 31. The claw portion 33 appears in such a manner as to cover the notch 31 in the opposite direction to the protruding direction of the third projection 30. Next, from the claw portion 33 toward the upper end of the third projection 30, a smoothly curved guide surface 30a is formed. Further, the third protrusion 30 is formed in parallel with the mating surface F and connected to the slit surface f of the notch 31. The slit surface f is macroscopically in the same plane as the mating surface F, and microscopically as shown in Fig. 12(d'), not in the same plane as the mating surface F, but in the base portion. In the top view of 20, it is located at a position further inside the contour.

Figure 13 is a top view of the yarn guide. That is, Fig. 13(a) is a plan view of the yarn guide 9, and Fig. 13(b) is a front view of the yarn guide 9. Further, Fig. 13(c) is a partial enlarged view of a portion c in Fig. 13(b), and Fig. 13(d) is a partially enlarged view of a portion d in Fig. 13(a). As shown in Figs. 13(a) and (b), once the above-described guide block 15 is laid on the guide rail 16, a slit 24 is formed between the adjacent third projections 30. More specifically, as shown in Fig. 13(d), the slits 24 are formed by a pair of slit faces f facing each other at a position where the mating faces F of the adjacent third projections 30 are interposed.

The yarn accommodating space S of the yarn guide 9 of the present embodiment is formed between the adjacent pair of guide blocks 15. More specifically, the yarn accommodating space S described above is formed by the notches 31 of the adjacent pair of third projections 30 as shown in the figure (c). The above-described claw portion 33 has a function of preventing the multifilament yarn Y accommodated in the yarn accommodating space S formed by the pair of notches 31 from coming off from the yarn accommodating space S. Next, in order to insert the multifilament yarn Y into the yarn accommodating space S, it is only necessary to insert the multifilament yarn Y into the slit 24 in accordance with the direction of the arrow indicated by the figure N of the figure (b). Further, as shown in Fig. 3(a), in the present embodiment, the slit 24 is inclined in the traveling direction Yd of the multifilament yarn Y, so that the multifilament yarn Y reaches the yarn accommodating space when the above insertion is performed. Before S, it is formed to temporarily bend along the inclination of the slit 24. Further, the irregular sway of the multifilament yarn Y that travels in the yarn accommodating space S with a desired tension is restricted by the inner wall surface of the notch 31. In particular, the irregular sway of the multifilament yarn Y in the vertical direction can be effectively restricted by the above-described claw portion 33.

(to sum up)

As described above, the yarn guide 9 of the present embodiment constitutes the following description. In other words, the claw portions 33 for preventing the multifilament yarn Y from falling out of the yarn accommodating space S are formed on both of the adjacent pair of guide blocks 15. According to the above configuration, the multifilament yarn Y can be prevented from falling off from the yarn accommodating space S with a simple structure.

On the other hand, in the above-described embodiment, as shown in Fig. 13(c), the claw portions 33 are formed on both of the adjacent pair of guide blocks 15, but it is also considered to use only a pair of adjacent ones. The configuration in which any one of the guide blocks 15 forms the claw portion 33 is replaced. Even in this case, the above-described function of preventing falling off can be exhibited.

<Third embodiment>

Next, a third embodiment of the present invention will be described with reference to Figs. 14 to 16. Fig. 14 is a perspective view similar to Fig. 2, showing a perspective view of a yarn guide according to a third embodiment of the present invention. Figure 15 is an enlarged view of the guiding block. That is, Fig. 15(a) is a perspective view of the guide block 15, and Fig. 15(b) is a plan view of the guide block 15. Figure 16 is a front view of the guiding block. That is, the 16th (a)th is a front view of the guiding block 15, and the 16th (b)th is a rear view of the guiding block 15. Hereinafter, the portions of the present embodiment that are different from the above-described first embodiment will be mainly described, and the overlapping description will be appropriately omitted.

As shown in Fig. 14, the yarn guide 9 of the present embodiment is different from the yarn guides 9 of the first embodiment and the second embodiment in that the guide blocks 15 are formed to accommodate the walking. The yarn accommodating space S of the multifilament yarn Y.

The yarn guide 9 of the present embodiment is different from the yarn guide 9 of the first embodiment and the structure of the guide block 15. Hereinafter, the structure of the guide block 15 of the yarn guide 9 in the present embodiment will be described with reference to Figs. 15 to 16.

As shown in the sixteenth (a) and (b), the center of the front view of the guide portion 21 that is vertically protruded from the base portion 20 is inserted through the traveling direction Yd along the multifilament Y. As shown in the fifteenth (a) and (b), the hole 41 is provided with a slit 24 up to the through hole 41 from the upper end of the guide portion 21 toward the base portion 20. This slit 24 forms an inclination of about 45 degrees with respect to the traveling direction Yd of the multifilament yarn Y in the plan view of Fig. 15(b). By the presence of the slit 24, in the plan view of the drawing (b), the pair of fourth projections 40 formed between the slightly trapezoidal and the slightly triangular shapes can be said to be the main structure of the guiding portion 21. As shown in the sixteenth (a) and (b), the conical tapered surface 42 surrounding the through hole 41 is recessed in each of the fourth projections 40, whereby the inner wall surface of the through hole 41 can be shortened. The contact distance between the yarns Y. The claw portion 43 appears along the side opposite to the through hole 41 via the base portion 20, along with the formation of the through hole 41 and the slit 24. The claw portion 43 appears in such a manner as to cover the through hole 41 in a direction opposite to the protruding direction of the fourth projection 40. Next, a smoothly curved guide surface 40a is formed from the claw portion 43 toward the upper end of the fourth projection 40. As shown in Fig. 15(b), the guide block 15 of the present embodiment is point-symmetrical in a plan view as in the guide block 15 of the second embodiment.

In the above configuration, the yarn accommodating space S of the yarn guide 9 of the present embodiment is formed in each of the guide blocks 15 as shown in Fig. 14 . More specifically, the yarn accommodating space S described above is formed by the through hole 41 as shown in Figs. 16(a) and (b). The above-described claw portion 43 has a function of preventing the multifilament yarn Y accommodated in the yarn accommodating space S formed by the through hole 41 from coming off from the yarn accommodating space S. Next, in order to insert the multifilament yarn Y into the yarn accommodating space S, it is only necessary to insert the multifilament yarn Y into the slit 24 in accordance with the direction of the arrow indicated by the figure N in Fig. 15(a). As shown in Fig. 15(b), as in the second embodiment, since the slit 24 of the present embodiment is inclined with respect to the traveling direction Yd of the multifilament yarn Y, the multifilament yarn Y arrives at the yarn at the time of the above insertion. The line accommodating spaces S are formed to be temporarily bent along the inclination of the slits 24. Further, the irregular sway of the multifilament yarn Y that travels in the yarn accommodating space S with the required tension is restricted by the inner wall surface of the through hole 41. In particular, the irregular sway of the multifilament yarn Y in the vertical direction can be effectively restricted by the above-described claw portion 43.

(to sum up)

As described above, the yarn guide 9 of the above embodiment constitutes the following description. That is, the yarn accommodating space S is formed in each of the guide blocks 15. According to the above configuration, the yarn accommodating space S is separated from the mating surface F of the adjacent pair of guide blocks 15.

The yarn guide 9 described above further constitutes the following description. In other words, each of the guide blocks 15 is formed with a slit 24 that allows the yarn accommodating space S to communicate with the outside, and a claw portion 33 that prevents the multifilament yarn Y from falling out of the yarn accommodating space S. According to the above configuration, the structure in which the multifilament yarn Y is inserted into the yarn accommodating space S and the structure in which the multifilament yarn Y is detached from the yarn accommodating space S can be realized with a simple structure.

Although the preferred embodiment of the present invention has been described above, the above-described embodiments can be modified by the following description.

That is, in the above description, although the case where the yarn guide 9 is applied to the spinning extension device 100 is cited, the use of the yarn guide 9 is not limited to the spinning extension device 100, even in a small size. Fiber machinery that processes multiple yarns in space is also suitable. As for the fiber machine other than the spinning extension device 100, for example, a warping machine can be cited.

Further, in each of the above embodiments, the multi-filament yarn Y is used as the yarn, but the yarn guide 9 can also be applied to yarns other than the multifilament yarn Y. The yarn other than the multifilament yarn Y refers to a spun yarn such as cotton yarn or wool.

Further, in each of the above embodiments, the yarn guide 9 is provided in the vicinity of the traverse device 8 as shown in Fig. 1, but it is not limited thereto, and it is also conceivable to be disposed at a position separated from the accommodating device 8. Construction.

Finally, by way of example, the number of multifilament yarns Y in Fig. 2 is much lower than the number of the guide blocks 15, but is merely for convenience of explanation.

F. . . Mating surface

Fd. . . Surface orientation

f. . . Slot surface

G. . . Mating surface

Gd. . . Surface orientation

S. . . Yarn accommodating space

w. . . Gap width

Y. . . Multifilament yarn (yarn)

Yd. . . Multi-filament yarn walking direction

θ. . . Tilt angle

1. . . Ferrule

2. . . Cooling device

3. . . Lubricating device

4. . . Yarn heating device

5. . . Roller

6. . . Roller

7. . . Traction roller

7a. . . Main roller

7b. . . Subsidy roller

8. . . Interlacing device

9. . . Yarn guide (guide for multiple yarns)

10. . . Contact roller

11. . . Winding device

12. . . Rotating shaft

13. . . Take-up bobbin

15. . . Guide block (guide member)

16. . . Guide rail (long strip member)

17. . . Tail groove

18. . . Clamping protrusion

19. . . Stopper

20. . . Base

twenty one. . . Guide

twenty two. . . First protrusion

22a. . . Corner

22b. . . Guide surface

twenty three. . . Second protrusion

twenty four. . . Gap

30. . . Third protrusion

30a. . . Guide surface

31. . . gap

32. . . tapered surface

33. . . Claw

40. . . Fourth protrusion

40a. . . Guide surface

41. . . Through hole

42. . . tapered surface

43. . . Claw

100. . . Spinning extension

Fig. 1 is a schematic view showing the overall structure of a spinning extension device (manufacturing device for synthetic fiber yarn).

Fig. 2 is a perspective view of a yarn guide according to a first embodiment of the present invention.

Fig. 3: A drawing similar to Fig. 2 is for convenience of explanation, and a view of the guide rail is omitted.

Figure 4: is an enlarged view of the guide block.

Figure 5: A top view of the yarn guide.

Figure 6: A top view of the yarn guide.

Fig. 7 is a perspective view of a yarn guide according to a modification of the first embodiment of the present invention.

Fig. 8 is an enlarged view of a guide block of the present modification.

Figure 9 is a plan view of the yarn guide of the present modification.

Fig. 10 is a perspective view similar to Fig. 2, showing a yarn guide of a second embodiment of the present invention.

Figure 11: An enlarged view of the guide block.

Figure 12: is an enlarged view of the guiding block.

Figure 13: A top view of the yarn guide.

Fig. 14 is a perspective view similar to Fig. 2, showing a yarn guide of a third embodiment of the present invention.

Figure 15: An enlarged view of the guide block.

Figure 16: Front view of the guide block.

9. . . Yarn guide (guide for multiple yarns)

15. . . Guide block (guide member)

16. . . Guide rail (long strip member)

17. . . Tail groove

19. . . Stopper

S. . . Yarn accommodating space

Y. . . Multifilament yarn

Claims (4)

A guide for a multi-yarn, characterized in that: a guide member provided in a plurality of arrays, a yarn accommodating space is formed by an adjacent pair of the guide members, and a pair of adjacent guide members are matched The surface direction of the surface is inclined with respect to the traveling direction of the yarn accommodated in the yarn accommodating space, and each of the guiding members is formed with: a first protrusion; and a second protrusion, the second protrusion Is for restricting the movement of the yarn in a direction perpendicular to the arrangement direction, wherein the yarn accommodating space is formed by a slit formed by an adjacent pair of the first protrusions And the second protrusion, the inclination angle between the surface direction of the mating surface and the traveling direction of the yarn may be changed. The multi-yarn guide according to the first aspect of the invention, wherein the number of the plurality of guide members can be increased or decreased. The multi-yarn guide according to the second aspect of the invention, wherein the guide member includes an elongated member, wherein each of the guide members is engaged with the elongated member, and the elongated member is Support. The multi-yarn guide according to the first aspect of the invention, wherein the claw portion for preventing the yarn from falling out of the yarn accommodating space is formed in at least one of the adjacent pair of the guide members. One.