JP2016056494A - False twisting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To heat different kinds of yarns to respective temperatures appropriate for adding a twist.SOLUTION: Two first heating apparatuses 32a and two second heating apparatuses 32b are accommodated in an accommodation space 31a of a box 31. Each of the heating apparatuses 32a, 32b includes a heating block 35 and a heating member 36 for heating the heating block 35. The first heating apparatuses 32a and the second heating apparatuses 32b are arranged alternately in a machine frame longitudinal direction. The second heating apparatuses 32b are positioned above the first heating apparatuses 32a. Thus the heating blocks 35 of the first heating apparatuses 32a are not overlapping with the heating blocks 35 of the second heating apparatus 32b when viewed in the machine frame longitudinal direction.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a false twisting machine for false twisting a yarn.

  The false twisting machine described in Patent Document 1 is for false twisting a plurality of yarns, and includes a heater (corresponding to the “primary heating unit” in the present application) and a cooler (in the “cooling unit” in the present application). Equivalent) and a twisting device (corresponding to the “twisting device” of the present application) are arranged in this order from the upstream side of the yarn path. The heater has a main body that is long in the running direction of the yarn (hereinafter referred to as “heater main body”) and a felt layer that surrounds the heater main body. Two slits for running the yarn are formed in the heater body. The two slits are arranged adjacent to the longitudinal direction of the heater body and the direction perpendicular to the vertical direction (hereinafter referred to as “width direction”), extend in the running direction of the yarn, and have the lower end and the longitudinal direction of the heater body. Open at both ends in the direction. In addition, a heating source is provided in a portion located above each slit of the heater body. The heat generation amount of these two heating sources is individually controlled by a heating control device. The yarn traveling through the two slits is heated by the heat of the main body.

JP 2010-59587 A

  Here, in the false twisting machine described in Patent Document 1, the twisting device imparts twist to the yarn located on the upstream side of itself. Therefore, a twist is imparted to the yarn heated by the heater, the twist is imparted, and the yarn is cooled by the cooler. At this time, when false twisting the yarn, it is necessary to heat the yarn to a temperature suitable for imparting twist according to the type of the yarn. On the other hand, in patent document 1, as above-mentioned, the emitted-heat amount of two heating sources can be controlled separately. Therefore, in the heater of Patent Document 1, for example, when the type (for example, thickness, material, etc.) differs between the yarn that runs through one of the two slits and the yarn that runs through the other slit. By controlling the amount of heat generated by the heat source disposed above each slit in accordance with the type of yarn traveling through each slit, these two yarns are individually adapted to the type of yarn. It also appears that it can be heated to an appropriate temperature to impart twist.

  However, in Patent Document 1, as described above, since two slits are formed adjacent to one heater body in the width direction, a portion of the heater body around one slit and the other around the other slit. Heat is easily transferred between the parts. Therefore, even if the heat generation amounts of the two heat sources are individually controlled as described above, the temperature of the peripheral portion of each slit of the main body cannot be set to the set temperature, and the yarns traveling through each slit are individually set. In addition, there is a possibility that it cannot be heated to an appropriate temperature according to the type of yarn.

  An object of the present invention is to provide a false twisting machine capable of individually heating a plurality of yarns to which twist is imparted to an appropriate temperature according to the type.

  A false twisting machine according to a first aspect of the present invention is a false twisting machine that is long in the machine table longitudinal direction and falsely twists a plurality of yarns, and that heats the plurality of yarns. And a plurality of cooling devices arranged on the downstream side of the plurality of heating devices in the yarn path of the yarn to cool the plurality of yarns, and arranged on the downstream side of the cooling devices in the yarn path of the yarn A twisting device that applies twist to the plurality of yarns, and the plurality of heating devices include a plurality of first heating devices and a plurality of second heating devices along the longitudinal direction of the machine base. Each heating device is formed with a yarn traveling portion for traveling the yarn, and a heating block for heating the yarn traveling on the yarn traveling portion, and heating the heating block And at least one first heating device, and at least one heating member The second heating device is accommodated in one box, and the heating block of the first heating device and the heating block of the second heating device are arranged so as to be shifted from each other when viewed from the longitudinal direction of the machine base. ing.

  According to the present invention, since each heating device has a heating block and a heating member, the temperature of the heating block of each heating device is individually controlled by individually controlling the heat generation amount of the heating member of each heating device. Can be controlled. Thereby, even when the type (thickness, material, etc.) differs between the yarn corresponding to the first heating device and the yarn corresponding to the second heating device, the yarn corresponding to the first heating device, and the second The yarn corresponding to the two heating device can be heated to an appropriate temperature suitable for applying twist by the twisting device.

  Moreover, in this invention, although the 1st heating apparatus and the 2nd heating apparatus are accommodated in one box, the heating block of a 1st heating apparatus and the heating block of a 2nd heating apparatus are machine bases. They are displaced from the longitudinal direction. Therefore, heat transfer is unlikely to occur between the heating block of the first heating device and the heating block of the second heating device. Therefore, when the heating block of the first heating device and the heating block of the second heating device are set to different temperatures, there is heat interference between the heating block of the first heating device and the heating block of the second heating device. It is hard to occur, and the heating block of each heating device can be reliably set to a set temperature.

  In the false twisting machine according to the second invention, in the false twisting machine according to the first invention, two or more first heating devices and two or more second heating devices are accommodated in one box. Yes.

  According to the present invention, since one box contains two or more first heating devices and two or more second heating devices, only one first heating device and one second heating device are included in one box. Compared with the case where is accommodated, the number of boxes in the entire false twisting machine can be reduced. Thereby, the false twisting machine can be reduced in size in the machine table longitudinal direction. Further, even when two or more first heating devices and two or more second heating devices are accommodated in one box, the heating blocks of the two or more first heating devices and the two or more second heating devices Since the heating block and the heating block of the first heating device and the heating block of the second heating device are arranged so as to be shifted from the longitudinal direction of the machine base, heat interference between the heating block of the first heating device and the heating block of the second heating device hardly occurs. The heating block of the heating device and the heating block of each second heating device can be reliably set to a temperature.

  The false twisting machine according to a third invention is the false twisting machine according to the first or second invention, wherein the heating block of the first heating device and the heating block of the second heating device are: It arrange | positions so that it may not overlap seeing from the said machine base longitudinal direction.

  According to the present invention, the heating block of the first heating device and the heating block of the second heating device are arranged so as to be separated so as not to overlap each other when viewed from the longitudinal direction of the machine base. Heat transfer between the block and the heating block of the second heating device can be made less likely to occur.

  The false twisting machine according to a fourth invention is the false twisting machine according to any one of the first to third inventions, wherein the heating block of the second heating device is the heating block of the first heating device. The temperature of the heating block of the second heating device is higher than the temperature of the heating block of the first heating device.

  According to the present invention, the heating block of the second heating device is disposed above the heating block of the first heating device, whereas the temperature of the heating block of the second heating device is that of the first heating device. Since it is higher than the temperature of the heating block, the heat of the heating block of the second heating device is more difficult to be transmitted to the heating block of the first heating device.

  A false twisting machine according to a fifth invention is the false twisting machine according to any one of the first to fourth inventions, wherein the box includes the heating block of the first heating device and the second heating device. And a heat insulating material accommodated so as to be positioned between the heating block and the heating block.

  According to the present invention, the heat insulating material can make heat transfer less likely to occur between the heating block of the first heating device and the heating block of the second heating device.

  The false twisting machine according to a sixth invention is the false twisting machine according to any one of the first to fifth inventions, wherein the plurality of heating devices, the plurality of cooling devices, and the above in the yarn path of the yarn A plurality of yarn twisting devices that are arranged downstream of a plurality of twisting devices and that respectively join two yarns heated by the adjacent first heating device and the second heating device; And a plurality of winding devices that are arranged on the downstream side of the spinning device in the yarn path and wind up the combined yarns.

  According to the present invention, when two yarns of different types are combined and wound in a false twisting machine, these two yarns can be individually heated to an appropriate temperature according to the type. it can.

  According to the present invention, since each heating device has a heating block and a heating member, the temperature of the heating block of each heating device can be controlled by individually controlling the amount of heat generated by the heating member of each heating device. Can be set individually. Thereby, even when the type (thickness, material, etc.) differs between the yarn corresponding to the first heating device and the yarn corresponding to the second heating device, the yarn corresponding to the first heating device, and The yarn corresponding to the second heating device can be heated to an appropriate temperature suitable for applying twist by the twisting device.

  Moreover, in this invention, although the 1st heating apparatus and the 2nd heating apparatus are accommodated in one box, the heating block of a 1st heating apparatus and the heating block of a 2nd heating apparatus are machine bases. They are displaced from the longitudinal direction. Therefore, heat transfer is unlikely to occur between the heating block of the first heating device and the heating block of the second heating device. Therefore, even when the heating block of the first heating device and the heating block of the second heating device are set to different temperatures, the heat interference between the heating block of the first heating device and the heating block of the second heating device. Is less likely to occur, and the heating block of each heating device can be reliably set to a set temperature.

1 is a schematic front view of a false twisting machine according to an embodiment of the present invention. It is a figure which shows the structure of the heating unit, cooling unit, and twist apparatus which were seen from upper direction. It is the III-III sectional view taken on the line of FIG. 4A is a cross-sectional view taken along line IVA-IVA in FIG. 3, and FIG. 4B is a cross-sectional view taken along line IVB-IVB in FIG. (A) is the VA-VA sectional view taken on the line of FIG. 2, (b) is the VB-VB sectional view taken on the line of FIG. (A) is the figure which expanded the one cooling device of FIG. 5, (b) is a figure which shows the state which removed the one opposing member by (a). (A) is the figure which looked at FIG. 6 (a) from the direction of arrow VIIA, (b) is the figure which looked at FIG.6 (b) from the direction of arrow VIIB, (c) is the figure of FIG. It is the figure which looked at the opposing member which removed ()) from the direction of arrow VIIC. (A) is the VIIIA-VIIIA sectional view taken on the line of FIG. 5, (b) is the VIIIB-VIIIB sectional view taken on the line of FIG. It is a figure which shows the structure of the winding apparatus seen from upper direction, (a) The state when winding the combined yarn, (b) The state when winding the yarn separately without combining the yarn Is shown. (A) is a figure equivalent to FIG. 3 of the modification 1, and (b) is a figure equivalent to FIG. 3 of the modification 2. FIG. 10 is a diagram corresponding to FIG. (A) is a figure equivalent to Drawing 8 (a) of modification 4, and (b) is a figure equivalent to Drawing 8 (b) of modification 4. (A) is a figure equivalent to Drawing 8 (a) of modification 5, (b) is a figure equivalent to Drawing 8 (b) of modification 5. FIG. 9A is a diagram corresponding to FIG. 8A of the sixth modification, and FIG. 8B is a diagram corresponding to FIG. 8B of the sixth modification.

  Hereinafter, preferred embodiments of the present invention will be described.

  As shown in FIG. 1, the false twisting machine 1 according to the present embodiment includes each device (a primary feed roller 20, a primary heating unit 21, a twisting guide 22, a cooling unit, which will be described later) constituting a yarn processing unit 12 described later. Unit 23, twisting device 24, tension sensor 30, secondary feed roller 25, stitching device 26, secondary heating unit 27, tertiary feed roller 28, etc.) from the creel stand 11 through the yarn processing section 12, respectively. A plurality of machine bases arranged in a horizontal machine longitudinal direction (direction perpendicular to the paper surface of FIG. 1) perpendicular to the traveling surface (the paper surface of FIG. 1) on which the yarn path leading to the winding unit 13 is arranged The device is long in the longitudinal direction. In the following, the horizontal direction (horizontal direction in FIG. 1) perpendicular to the longitudinal direction of the machine base is defined as “machine width direction”, and the direction in which gravity acts (vertical direction in FIG. 1) is defined as the vertical direction. Give an explanation. Further, the near side and the far side in the direction orthogonal to the paper surface of FIG. 1 are defined as “front side” and “back side” in the longitudinal direction of the machine base, respectively, and the upper side and the lower side in FIG. The description will be made by defining “upper side” and “lower side”. Moreover, in the false twisting machine 1, the creel stand 11, the yarn processing part 12, and the winding part 13 are arranged symmetrically in the machine width direction so that the creel stand 11 side is the outside. The operation of the false twisting machine 1 is controlled by the control device 10.

  The creel stand 11 includes a plurality of creels 11a. Each of the plurality of creels 11a holds the yarn supply package S.

  The yarn processing unit 12 includes a primary feed roller 20, a primary heating unit 21, a twisting guide 22, a cooling unit 23, a twisting device 24, a tension sensor 30, a secondary feed roller 25, a yarn combining device 26, and a secondary heating unit 27. And a tertiary feed roller 28 and the like.

  A plurality of primary feed rollers 20 are individually provided for the plurality of yarns Y supplied from the yarn supply package S, and are arranged in the machine table longitudinal direction. The primary feed roller 20 conveys the corresponding yarn Y toward the primary heating unit 21. The primary heating unit 21 is disposed on the downstream side of the primary feed roller 20 in the yarn path of the yarn Y. One primary heating unit 21 is provided for each of the four adjacent yarns Y among the plurality of yarns Y sent from the primary feed roller 20, and is arranged in the machine table longitudinal direction. Each primary heating unit 21 heats the corresponding four yarns Y.

  A detailed configuration of the primary heating unit 21 will be described. As shown in FIGS. 1 to 4, the primary heating unit 21 includes a box 31, two first heating devices 32 a, two second heating devices 32 b, and a plurality of heat insulating materials 33.

  The box 31 is a rectangular parallelepiped member whose longitudinal direction is the machine width direction. Inside the box 31, an accommodation space 31a that is open at the lower end and both ends in the machine width direction is formed.

  The two first heating devices 32a and the two second heating devices 32b are accommodated in the accommodation space 31a. The two first heating devices 32a and the two second heating devices 32b are alternately arranged in the machine table longitudinal direction. Moreover, the 1st heating apparatus 32a and the 2nd heating apparatus 32b are shifted | deviated to a perpendicular direction, and, as a result, the 2nd heating apparatus 32b whole is located above the 1st heating apparatus 32a. In addition, the two first heating devices 32a and the two second heating devices 32b are located at the same height. Thereby, the two heating devices 32a and the two heating devices 32b are arranged in a staggered manner.

  Here, unlike the present embodiment, for example, as in Modification Example 2 (see FIG. 10A) described later, the primary heating unit 21 is placed in one housing space 31a of one box 31 and one first heating device. It is also conceivable that 32a and one second heating device 32b are accommodated. In this case, one box 31 is required for two heating devices (one first heating device 32a and one second heating device 32b). On the other hand, in the present embodiment, two first heating devices 32a and two second heating devices 32b are accommodated in the accommodation space 31a of one box 31. Therefore, in the present embodiment, one box 31 is required for four heating devices (two first heating devices 32a and two second heating devices 32b). Thereby, in this Embodiment, compared with the case where one 1st heating apparatus 32a and one 2nd heating apparatus 32b are accommodated in the accommodation space 31a of one box 31, the false twisting machine 1 whole The number of boxes 31 can be reduced (about halved), and the false twisting machine 1 can be downsized in the longitudinal direction of the machine base.

  Each of the heating devices 32a and 32b includes an upstream heating unit 34a and a downstream heating unit 34b. The downstream heating unit 34b is arranged on the downstream side (inside in the machine width direction) of the upstream heating unit 34a in the yarn path of the yarn Y. The upstream heating unit 34a and the downstream heating unit 34b each include a heating block 35, a heating member 36, and a temperature sensor 37.

  The heating block 35 is a rectangular parallelepiped member made of a metal material and having the machine width direction as a longitudinal direction. However, the heating block 35 constituting the downstream heating unit 34b is longer in the machine width direction than the heating block 35 constituting the upstream heating unit 34a. Further, as described above, the entire second heating device 32b is located above the first heating device 32a. Accordingly, the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b are arranged so as to be shifted in the vertical direction so that they do not partially overlap when viewed from the longitudinal direction of the machine base. Yes.

  Further, a yarn traveling groove 38 is formed in the heating block 35. The yarn running groove 38 is formed at the center of the heating block 35 in the machine table longitudinal direction, extends over the entire length of the heating block 35 in the machine table width direction, and opens at the lower end and both ends in the machine table width direction. . A plurality of yarn guides 71 made of a ceramic material or the like and arranged at arbitrary intervals along the machine base width direction are provided in the yarn traveling groove 38. The yarn Y traveling in the yarn traveling groove 38 is guided by the plurality of yarn guides 71 and travels in the yarn traveling groove 38 in the machine width direction without contacting the heating block 35.

  Further, a heating member 36 that extends over the entire length of the heating block 35 in the machine width direction and that is open at both ends in the machine width direction is provided at a portion of each heating block 35 that is located immediately above the yarn running groove 38. An insertion hole 39 for insertion is formed. In addition, a recess 40 is formed in the center of the upper surface of each heating block 35 in the machine longitudinal direction and the machine width direction.

  Here, the heating block 35 is formed by joining a block piece 35a that forms the front half in the machine table longitudinal direction and a block piece 35b that forms the back half. Then, the front half of the yarn running groove 38, the front half of the insertion hole 39 and the front half of the recess 40 are formed in the block piece 35a, and the back half of the yarn running groove 38 and the insertion hole 39 are formed in the block piece 35b. The back half and the back half of the recess 40 are formed.

  The heat generating member 36 is a nichrome wire heater, a sheathed heater, or the like, and is inserted through the insertion hole 39. Further, the heat generating member 36 is drawn out from the insertion hole 39 to both sides in the machine width direction and connected to the current application circuit 29.

  The current application circuit 29 is a circuit for causing a current to flow through the heat generating member 36. When a current is supplied to the heat generating member 36 by the current applying circuit 29, the heat generating member 36 generates heat and the heating block 35 is heated. The current application circuit 29 can individually change the current flowing through the heat generating member 36 of each heating block 35 in each first heating device 32a and each second heating device 32b.

  The temperature sensor 37 is accommodated in the recess 40 of the heating block 35. The temperature sensor 37 is for detecting the temperature of the heating block 35.

  The plurality of heat insulating materials 33 are arranged so as to fill a gap between the accommodation spaces 31a in which the two first heating devices 32a and the two second heating devices 32b are accommodated. However, the some heat insulating material 33 is arrange | positioned so that the part located in the lower side of the thread | yarn running groove 38 of each heating block 35 among the accommodation spaces 31a may be avoided. Thereby, the slit 19 opened at the lower end in the vertical direction and at both ends in the machine width direction is formed below the yarn running groove 38 of each heating block 35. Thereby, the yarn Y can be inserted into the yarn running groove 38 from the lower side through the slit 19.

  Of the four yarns Y traveling in one primary heating unit 21, the first and third two yarns Y from the front side in the longitudinal direction of the machine base are the two first heating devices 32a. The yarn travels in the yarn traveling groove 38. Of these four yarns Y, the second and fourth two yarns from the front side in the longitudinal direction of the machine run in the yarn running grooves 38 of the two second heating devices 32b. The yarn Y traveling in the yarn traveling groove 38 is heated by the heat in the yarn traveling groove 38 of the heating block 35.

  A plurality of twist guides 22 are individually provided for the plurality of yarns Y, and are disposed immediately upstream of the primary heating unit 21 in the yarn path of the yarns Y. The plurality of twist guides 22 are arranged in the longitudinal direction of the machine base. The twisting guide 22 is for preventing the twist from being transmitted to the upstream side of the twisting guide 22 when the yarn Y is twisted as described later. Here, one twist guide 22 is provided for each yarn.

  The cooling unit 23 is disposed on the downstream side of the primary heating unit 21 in the yarn path of the yarn Y. The cooling unit 23 includes a cooling device 41, a first common duct 42, a second common duct 43, a first connection duct 44 and a second connection duct 45.

  A plurality of cooling devices 41 are individually provided for the plurality of yarns Y. In the plurality of cooling devices 41, a plurality of first cooling devices 41a and a plurality of second cooling devices 41b are alternately arranged in the machine table longitudinal direction. The plurality of first cooling devices 41a and the plurality of second cooling devices 41b are arranged in the machine table longitudinal direction at the same height. Further, the first cooling device 41a and the second cooling device 41b are arranged so as to be shifted in a direction perpendicular to the lower surfaces of common ducts 42 and 43 described later (disposed as viewed from the longitudinal direction of the machine base). ), The second cooling device 41b is positioned above the first cooling device 41.

  Each cooling device 41 includes a pair of opposing members 51 a and 51 b and an individual duct 52 as shown in FIGS. The facing members 51a and 51b are plate-like bodies made of a metal material that are long in the machine width direction and are bent so as to have a substantially “U” shape when viewed from the machine width direction. The facing members 51a and 51b are opposed to each other with a gap 51c for running the yarn Y in the machine table longitudinal direction.

  A plurality of contact portions 71a arranged along the traveling direction of the yarn Y in the gap 51c are provided on the facing surface 51a1 of the facing member 51a facing the facing member 51b. A plurality of contact portions 71b arranged along the traveling direction of the yarn Y in the gap 51c are provided on the facing surface 51b1 of the facing member 51b facing the facing member 51a. Further, the plurality of contact portions 71a and the plurality of contact portions 71b are arranged in a staggered manner as viewed from above. The yarn Y traveling in the gap 51c is brought into contact with the contact portions 71a and 71b, so that vibration in the machine table longitudinal direction is suppressed.

  The individual duct 52 is disposed directly above the opposing members 51a and 51b and extends over the entire length in the longitudinal direction of the opposing members 51a and 51b. Inside the individual duct 52, an internal space 52 a is formed extending substantially over the entire length in the longitudinal direction of the individual duct 52. The facing members 51 a and 51 b are attached to the lower surface of the individual duct 52. A plurality of communication holes 52b are formed at substantially equal intervals along the longitudinal direction of the individual duct 52 at a portion of the lower end portion of the individual duct 52 that overlaps the gap 51c between the opposing members 51a and 51b. . As a result, the gap 51c communicates with the internal space 52a of the individual duct 52 via the plurality of communication holes 52b. In addition, a communication hole 52 c for connecting to the connection ducts 44 and 45 is formed at the upper end of the individual duct 52 at the center in the longitudinal direction of the individual duct 52 as will be described later.

  Here, the attachment structure to the separate duct 52 of the opposing members 51a and 51b is demonstrated. The facing member 51 a is fixed to the lower surface of the individual duct 52 by a bolt 72. In addition, positioning holes 73a are formed in the center portion and both end portions of the opposing member 51a in the longitudinal direction in the portion forming the opposing surface 51a1 of the opposing member 51a. In addition, a guide insertion hole 74a is formed in a portion of the facing member 51a located below each positioning hole 73a.

  A positioning hole 73b is formed in a portion of the facing member 51b that faces each positioning hole 73a. In addition, spacers 50 are disposed between the opposing member 51a and the opposing member 51b, respectively, in portions that overlap the central portion and both end portions of the opposing members 51a and 51b in the longitudinal direction. The spacer 50 is formed with a through hole 50a that overlaps the positioning holes 73a and 73b. Positioning pins 76 are inserted into the positioning holes 73a and 73b and the through holes 50a. Thereby, the opposing member 51b is attached to the individual duct 52 via the positioning pin 76 and the opposing member 51a, and the vertical positioning with respect to the opposing member 51a is performed. Further, the positioning pin 76 is fixed to the facing member 51b.

  A guide insertion hole 74b is formed in a portion of the facing member 51b that faces the guide insertion hole 74a. A ceramic guide 77 made of a ceramic material is inserted through the guide insertion holes 74a and 74b. The ceramic guide 77 is positioned above the yarn Y that travels in the gap 51c, and, as will be described later, the yarn Y that travels in the clearance 51c that tries to vibrate in the vertical direction due to the air flow in the clearance 51c. Is prevented from vibrating in the vertical direction. The ceramic guide 77 is fixed to the facing member 51b.

  On the other hand, the individual duct 52 is provided with three levers 81. The three levers 81 are provided on the inner side in the longitudinal direction of the individual duct 52 on the back side in the longitudinal direction of the machine base, and are swingably supported by a swinging shaft 82 extending in the longitudinal direction of the machine base. At the same time, a spring 83 provided on the swing shaft 82 is urged toward the front side in the longitudinal direction of the machine base.

  And the lever 81 is normally arrange | positioned so that a longitudinal direction may become parallel to a perpendicular direction. As a result, as shown in FIGS. 6A and 7A, the lever 81 biased by the spring 83 contacts the positioning pin 76 and opposes the opposing member 51b via the positioning pin 76. Biasing toward the member 51a. As a result, the facing member 51b is pressed toward the facing member 51a with the spacer 50 sandwiched between the facing member 51a, and positioning in the machine table longitudinal direction with respect to the facing member 51a is performed.

  On the other hand, when cleaning the opposing surfaces 51a1 and 51b1 of the opposing members 51a and 51b, as shown in FIGS. 6 (b) and 7 (b), the lever 81 is shown in FIGS. 6 (a) and 7 (b). Swing about 90 ° counterclockwise from the position shown in a). Then, the lever 81 is disposed so that the longitudinal direction of the lever 81 is parallel to the machine width direction, and does not come into contact with the positioning pin 76. Thereby, the opposing member 51b becomes movable in the machine width direction. When the opposing member 51b is moved away from the opposing member 51a, the positioning pin 76 is removed from the positioning hole 73a, and the ceramic guide 77 is removed from the guide insertion hole 74a. Thereby, the opposing member 51b can be removed from the individual duct 52. In the present embodiment, the opposing surface 51a1 of the opposing member 51a exposed by removing the opposing member 51b, and the thread or oil agent adhered to the 51b1 on the opposing surface of the removed opposing member 51b are removed. Can do. At this time, the removed counter member 51b can be washed as a whole.

  The first common duct 42 is disposed above the plurality of cooling devices 41, and extends in the machine table longitudinal direction across the plurality of cooling devices 41. Thereby, the 1st cooling device 41a arrange | positioned below the 2nd cooling device 41b is located on the opposite side to the 1st common duct 42 with respect to the 2nd cooling device 41b. Further, the lower surface of the first common duct 42 is inclined with respect to the machine width direction so that the inner part in the machine width direction is located on the upper side. The first common duct 42 is formed with an internal space 42a extending over the entire length in the machine base longitudinal direction. A first blower 46 a is connected to the internal space 42 a of the first common duct 42. When the first blower 46a is driven, an air flow as indicated by an arrow W11 in FIG. 5A in the longitudinal direction of the machine base is generated in the internal space 42a. A plurality of communication holes 42 b communicating with the internal space 42 a are formed at the lower end of the first common duct 42. Here, when the plurality of communication holes 42b divide the plurality of first cooling devices 41a into sets of two first cooling devices 41a adjacent to each other, the first common duct 42 in the longitudinal direction of the machine base, It forms in the part located between the two 1st cooling devices 41a which comprise each group. Here, the first common ducts 42 arranged symmetrically in the machine width direction may be connected to one at the end and connected to one first blower 46a.

  The second common duct 43 is disposed above the plurality of cooling devices 41 and is disposed so as to be adjacent to the outside of the first common duct 42 in the machine width direction. Extending in the direction. Thereby, the 1st cooling device 41a arrange | positioned below the 2nd cooling device 41b is located on the opposite side to the 1st common duct 42 with respect to the 2nd cooling device 41b. Further, the lower surface of the second common duct 43 is inclined with respect to the machine width direction so that the inner part in the machine width direction is located on the upper side. The second common duct 43 is formed with an internal space 43a extending over the entire length in the longitudinal direction of the machine base. A second blower 46 b is connected to the internal space 43 a of the second common duct 43. When the second blower 46b is driven, an air flow in the longitudinal direction of the machine base as shown by the arrow W21 in FIG. 7B is generated in the internal space 43a. A plurality of communication holes 43 b communicating with the internal space 43 a are formed at the lower end of the second common duct 43. Here, when the plurality of communication holes 43b divide the plurality of second cooling devices 41b into sets of two second cooling devices 41b adjacent to each other, the second common duct 43 in the longitudinal direction of the machine base, It is formed in the part located between the two 2nd cooling devices 41b which comprise each group. Here, the second common ducts 43 arranged symmetrically in the machine width direction may be connected to one at the end and connected to one second blower 46b.

  One first connection duct 44 is provided for each pair of the two adjacent first cooling devices 41 a described above, and is disposed between the first cooling device 41 a and the first common duct 42 in the vertical direction. ing. The first connection duct 44 is connected to the corresponding communication hole 42b of the first common duct 42 at the upper end. Further, the first connection duct 44 extends downward from the connection portion with the communication hole 42b, and is branched and bent at both sides in the longitudinal direction of the machine, and further bent downward at the front end thereof. 1 is connected to the communication hole 52c of the individual duct 52 of the cooling device 41a. As a result, the gap 51c between the opposing members 51a and 51b of the two first cooling devices 41a is connected to the first common via the internal space 52a of the individual duct 52 and the internal space 44a of the first connection duct 44. The duct 42 communicates with the internal space 42a.

  One second connection duct 45 is provided for each pair of the two adjacent second cooling devices 41b described above, and is disposed between the second cooling device 41b and the second common duct 43 in the vertical direction. ing. The second connection duct 45 is connected to the communication hole 43 b of the second common duct 43 at the upper end. Further, the second connection duct 45 extends downward from the connection portion with the communication hole 43b, and in the middle, branches and bends to both sides in the longitudinal direction of the machine base, and further bends downward at the tip thereof to be second. It connects with the communication hole 52c of the separate duct 52 of the cooling device 41b. As a result, the gap 51c between the opposing members 51a and 51b of the two second cooling devices 41b becomes the first via the internal space 52a of the individual duct 52 and the internal space 45a of the second connection duct 45. 2 is connected to the internal space 43 a of the common duct 43.

  In the cooling unit 23, the blowers 46 a and 46 b are driven by the blower motors 47 a and 47 b, and the internal space 42 a of the first common duct 42 and the internal space 43 a of the second common duct 43 are respectively shown in FIG. The air flow in the longitudinal direction of the machine base is generated as indicated by arrows W11 and W21 in (b). Then, along with the flow of these air, the air in the gap 51c between the opposing members 51a and 51b of the first and second cooling devices 41a and 41b is shown by arrows in FIGS. 5 (a) and 5 (b), respectively. As indicated by W12 and W22, the air flows into the internal spaces 42a and 43a of the common ducts 42 and 43 through the internal space 52a of the individual duct 52 and the internal spaces 44a and 45a of the connecting ducts 44 and 45. Thereby, an air flow is generated in the gap 51c, and the yarn Y traveling in the gap 51c is cooled.

  A plurality of twisting devices 24 are individually provided for the plurality of yarns Y, and are arranged on the downstream side of the cooling device 41. Further, the plurality of twisting devices 24 are configured such that a plurality of first twisting devices 24a and a plurality of second twisting devices 24b are alternately arranged along the longitudinal direction of the machine base. Moreover, the 2nd twisting device 24b is arrange | positioned in the position shifted | deviated from the 1st twisting device 24a to the machine width direction outer side and upper side. Thereby, compared with the case where it arrange | positions so that it may overlap, seeing from a machine-machine longitudinal direction, without shifting the 1st twisting device 24a and the 2nd twisting device 24b, it arranges the twisting device 24 with high density. Can do.

  The twisting device 24 imparts twist to the yarn Y. At this time, in the first twisting device 24a and the second twisting device 24b, the twisting directions are opposite to each other. At this time, in the yarn Y, a twist is applied to a portion between the twisting guide 22 and the first and second twisting devices 24a and 24b. At this time, the yarn Y is heated by the primary heating unit 21 and then twisted, and the twisted yarn Y is cooled by the cooling unit 23. The first twisting device 24a and the second twisting device 24b may have the same twisting direction.

  Here, the relationship between the arrangement of the heating devices 32a and 32b, the arrangement of the cooling devices 41a and 41b, and the arrangement of the twisting devices 24a and 24b will be described. In the yarn processing unit 12, the yarn Y sequentially travels through the yarn traveling groove 38 of the first heating device 32a, the gap 51c of the first cooling device 41a, and the first twisting device 24a. Therefore, in the yarn processing unit 12, the heating device 32a, the first cooling device 41a, and the first twisting device 24a are arranged on a yarn path that can maintain an appropriate bending angle of the yarn Y. In addition, it is necessary to determine the positional relationship among the heating device 32a, the first cooling device 41a, and the first twisting device 24a. In the yarn processing section 12, the yarn Y travels in order through the yarn traveling groove 38 of the second heating device 32b, the gap 51c of the second cooling device 41b, and the second twisting device 24b. Therefore, in the yarn processing unit 12, it is necessary to determine the positional relationship among the second heating device 32b, the second cooling device 41b, and the second twisting device 24b so that an appropriate yarn path is formed.

  At this time, unlike the present embodiment, for example, as described in JP-A-11-107084, etc., the individual duct 52 and the connecting ducts 44 and 45 are not provided, and the opposing members of the respective cooling devices 41 are provided. Assuming that the gap 51c and the internal spaces 42a and 43a of the common ducts 42 and 43 communicate with each other by directly joining 51a and 51b to the lower surfaces of the common ducts 42 and 43, the cooling devices 41a and 41b are shared. It cannot be arranged away from the ducts 42 and 43. For this reason, the first cooling device 41a and the second cooling device 41b cannot be shifted in the direction orthogonal to the lower surfaces of the common ducts 42 and 43. As a result, as described above, when the first heating device 32a and the second heating device 32b and the first twisting device 24a and the second twisting device 24b are shifted from each other, the first cooling device 41a. And the 2nd cooling device 41b cannot be arrange | positioned on the yarn path which can maintain the bending angle of the suitable yarn Y according to arrangement | positioning of heating apparatus 32a, 32b and twisting apparatus 24a, 24b. .

  On the other hand, in this Embodiment, while the 1st cooling device 41a and the 2nd cooling device 41b are arrange | positioned away from the common ducts 42 and 43, the 1st cooling device 41a and the 2nd cooling device 41b, However, they are displaced in a direction perpendicular to the lower surfaces of the common ducts 42 and 43. The gap 51c of the first cooling device 41a and the internal space 42a of the first common duct 42 are connected via the first connection duct 44, and the second cooling device 41b is connected via the second connection duct 45. Are connected to the internal space 43 a of the second common duct 43.

  Thus, in this Embodiment, since the 1st cooling device 41a and the 2nd cooling device 41b can be shifted and arrange | positioned in the direction orthogonal to the lower surface of the common ducts 42 and 43, the 1st cooling device 41a. And the 2nd cooling device 41b can be arrange | positioned on the yarn path which can maintain the bending angle of the suitable yarn Y according to arrangement | positioning of heating apparatus 32a, 32b and twisting apparatus 24a, 24b. .

  In the present embodiment, the first cooling device 41a and the second cooling device 41b are separated from the first common duct 42 and the second common duct 43, respectively. However, in the present embodiment, even when the first and second cooling devices 41a and 41b and the first and second common ducts 42 and 43 are arranged in this way, the first connection duct 44 is used. The gap 51c of the first cooling device 41a and the internal space 42a of the first common duct 42 can be connected, and the gap 51c of the second cooling device 41b and the second common duct are connected via the second connection duct 45. 43 internal spaces 43a can be connected.

  At this time, as described above, the first cooling device 41a is disposed on the side opposite to the first common duct 42 with respect to the second cooling device 41b. However, in the present embodiment, one connection duct 44 is provided for each of the two adjacent first cooling devices 41a. Therefore, the gap 51 c of the first cooling device 41 a and the internal space 42 a of the first common duct 42 can be connected via the first connection duct 44.

  Furthermore, in the present embodiment, since both the first cooling device 41a and the second cooling device 41b can be arranged separately from the first common duct 42 and the second common duct 43, respectively, Compared with the case where the opposing members 51a and 51b of the second cooling device 41b are directly joined to the lower surface of the common duct 122 (see FIG. 13) as in Modification Example 5 described later, the first cooling device 41a and the second cooling device 41a are compared with the second cooling device 41b. The degree of freedom of arrangement of the cooling device 41b is high. Thereby, the 1st cooling device 41a and the 2nd cooling device 41b maintain the bending angle of the suitable yarn Y more reliably according to arrangement | positioning of heating device 32a, 32b and twisting device 24a, 24b. Can be placed on the yarn path so that

  A plurality of tension sensors 30 are individually provided for the plurality of yarns Y, and are arranged on the downstream side of the twisting device 24. The plurality of tension sensors 30 include a plurality of first tension sensors 30a for detecting the tension of the yarn Y subjected to false twisting by the first twisting device 24a, and a plurality of second twisting devices. A plurality of second tension sensors 30b for detecting the tension of the yarn Y that has been false twisted by 24b are alternately arranged in the longitudinal direction of the machine base. Also. The second tension sensor 30b is disposed above the first tension sensor 30a. The tension sensor 30 detects the tension of the yarn Y that has been false twisted by the twisting device 24. The detection result of the tension of the yarn Y by the tension sensor 30 is used, for example, for determining the quality of the formed packages P1 and P2 (see FIG. 9).

  A plurality of secondary feed rollers 25 are individually provided for the plurality of yarns Y, and are disposed on the downstream side of the tension sensor 30 in the yarn path of the yarns Y. The plurality of secondary feed rollers 25 are arranged in the machine table longitudinal direction. The secondary feed roller 25 conveys the yarn Y, which has been false twisted by the twisting device 24, toward the secondary heating unit 27 via the yarn joining device 26, or the yarn feeding device 26 It conveys directly toward the secondary heating unit 27 without going through. Further, the conveying speed of the yarn Y by the secondary feed roller 25 is faster than the conveying speed of the yarn Y by the primary feed roller 20, and the yarn Y is generated by the primary feed roller 20 and the secondary feed roller 25. The film is stretched by the difference in conveyance speed. In addition, the yarn Y in which the twist is thermally fixed between the twist guide 22 and the twisting device 24 is untwisted between the twisting device 24 and the secondary feed roller 25. As a result, the yarn Y is untwisted. However, since the yarn Y is heat-fixed, each filament is in a state of being falsely twisted in a wavy form.

  The compounding device 26 has two adjacent yarns Y (one yarn subjected to false twisting by the first twisting device 24a and false twisting by the second twisting device 24b). One yarn is provided for a total of two yarns Y), and is arranged downstream of the secondary feed roller 25 in the longitudinal direction of the machine base. The combining yarn device 26 combines the corresponding two yarns Y.

  The secondary heating unit 27 is disposed on the downstream side of the spinning device 26. The secondary heating unit 27 is, for example, a heating device that heats the yarn traveling portion to a uniform temperature with a heat medium, and heat is generated by passing a current through a heating member (not shown) by a current application circuit (not shown). The medium is configured to be heated. Then, the secondary heating unit 27 performs a predetermined relaxation heat treatment on the yarn Y that has been subjected to drawing and false twisting, using the heat of the heat medium.

  A plurality of tertiary feed rollers 28 are individually provided for the plurality of yarns Y, and are arranged on the downstream side of the secondary heating unit 27 in the yarn path of the yarns Y. The plurality of tertiary feed rollers 28 are arranged in the longitudinal direction of the machine base. The tertiary feed roller 28 conveys the yarn Y subjected to the relaxation heat treatment toward the winding unit 13. Further, the tertiary feed roller 28 is arranged at a distance from the secondary heating unit 27 in the machine width direction. A work table or work carriage (not shown) is provided in the space between the secondary heating unit 27 and the tertiary feed roller 28, and an operator performs operations such as threading on the work table or the work carriage. Be able to.

  The winding unit 13 includes a plurality of winding devices 60. The plurality of winding devices 60 are arranged in the vertical direction and the machine table longitudinal direction. Further, the winding device 60 includes a cradle 61, a winding roller 62, and a traverse device 63 as shown in FIGS. 9 (a) and 9 (b).

  As shown in FIG. 9A, the cradle 61 can be equipped with one bobbin B1. When two yarns Y are combined in the combining device 26, one bobbin B1 is attached to the cradle 61. In addition, as shown in FIG. 9B, the cradle 61 has two bobbins B2 that are about half as long as the bobbin B1 and are connected in the axial direction instead of one bobbin B1. It can also be installed. When the two yarns Y are not combined in the combining device 26, the two bobbins B2 are attached to the cradle 61.

  The bobbins B1 and B2 mounted on the cradle 61 are arranged in such a direction that the axial direction is parallel to the longitudinal direction of the machine base, and are rotatably supported by the cradle 61. The winding roller 62 extends in the longitudinal direction of the machine base, and is a package P1 formed by winding the surface of the bobbins B1 and B2 attached to the cradle 61 and the combined yarn Ya of the two yarns Y on the bobbin B1. Alternatively, it is in contact with the surface of the package P2 formed by winding the yarn Y around the bobbin B2. A winding motor 64 is connected to the winding roller 62. When the winding motor 64 is driven, the winding roller 62 rotates, and in conjunction with this, the bobbins B1 and B2 or the packages P1 and P2 that are in contact with the winding roller 62 rotate. Thereby, the combined yarn Ya is wound around the bobbin B1, or the yarn Y is wound around the bobbin B2. Here, the winding motor 64 may directly drive the bobbins B1 and B2 attached to the cradle 61. At this time, the winding roller 62 is a driven roller that rotates in conjunction with the rotation of the bobbins B1 and B2.

  The traverse device 63 is arranged on the upstream side of the cradle 61 and the winding roller 62 in the yarn path of the yarn Y. The traverse device 63 includes three pulleys 66 a to 66 c, an endless belt 67, and two traverse guides 68. The pulley 66a and the pulley 66b are arranged at an interval in the longitudinal direction of the machine base. The pulley 66c is arranged between the pulleys 66a and 66b in the longitudinal direction of the machine base at a position shifted inward in the machine width direction from the pulleys 66a and 66b. The pulley 66c is connected to the traverse motor 69, and when the traverse motor 69 is driven, the pulley 66c rotates. The belt 67 is wound around three pulleys 66a to 66c. The two traverse guides 68 are attached to a portion of the belt 67 located between the pulleys 66a and 66b with a gap therebetween. Also, one of the two traverse guides 68 can be removed from the belt 67.

  When two yarns Y are combined in the combining device 26, the one traverse guide 68 is removed from the belt 67 in advance as shown in FIG. The combined yarn Ya sent from the processing unit 12 to the winding unit 13 is hung on the other traverse guide 68 and then sent toward the winding roller 62. On the other hand, when the two yarns Y are not combined in the combining device 26, both the two traverse guides 68 are attached to the belt 67 as shown in FIG. Among the yarns Y sent from the yarn processing unit 12 to the winding unit 13, the yarn Y subjected to false twisting by the first twisting device 24a was hung on one traverse guide 68. The yarn Y that has been sent to the take-up roller 62 and subjected to false twisting by the second twisting device 24 b is hung on the other traverse guide 68 and then sent to the take-up roller 62.

  In the traverse device 63, when the traverse motor 69 is driven to rotate the pulley 66c forward and backward, the belt 67 travels and the pulleys 66a and 66b are driven to rotate. As a result, the traverse guide 68 reciprocates in the axial direction of the bobbins B1 and B2 (machine longitudinal direction), and the combined yarn Ya or yarn Y hung on the traverse guide 68 moves in the axial direction of the bobbins B1 and B2. It is traversed.

  And the winding device 60 winds the combined yarn Ya in the axial direction of the bobbin B1 and winds it around the bobbin B1 to form the package P1, or the two yarns Y in the axial direction of the bobbin B2. While traversing, it is wound around two bobbins B2 to form a package P2.

  Next, the control device 10 that controls the operation of the false twisting machine 1 will be described. The control device 10 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like. As shown in FIGS. 1 and 5, the control device 10 is connected to the blowers 46a and 46b (strictly, motors for driving the blowers 46a and 46b) via the inverter circuit 54, and is connected to the inverter circuit. By controlling 54, the operations of the blowers 46a and 46b are controlled. Here, the inverter circuit 54 may be provided individually for each of the blowers 46a and 46b, or may be provided in common for the two or more blowers 46a and 46b. .

  In addition, as shown in FIGS. 1, 3, and 4, the control device 10 is connected to the heating member 36 of each heating device 32 a and 32 b via the current application circuit 29, and controls the current application circuit 29. By controlling, the current flowing through the heat generating member 36 is controlled. Here, the current applying circuit 29 may be provided individually for each heat generating member 36 or may be provided in common for two or more heat generating members 36. As shown in FIGS. 3 and 4, the control device 10 is connected to the temperature sensor 37 and receives a signal related to the temperature of the heating block 35 from the temperature sensor 37.

  Although not described in detail, the control device 10 also includes a primary feed roller 20, a twisting device 24, tension sensors 30a and 30b, a secondary feed roller 25, a secondary heating unit 27, and a tertiary feed roller 28. The winding device 60 (winding motor 64, traverse motor 69) and the like are also connected to control these operations.

  Next, control of the current application circuit 29 by the control device 10 (temperature control of the heating block 35) will be described. In the ROM of the control device 10, for example, preset temperatures for the heating block 35 of the upstream heating unit 34 a and the downstream heating unit 34 b in each heating device 32 a and 32 b are stored in advance for each type of yarn Y, for example. Yes. And if an operator operates the operation part which is not shown in figure and selects the kind of yarn Y heated in each heating apparatus 32a, 32b, according to the kind of selected yarn Y, each heating apparatus The set temperatures for the heating block 35 of the upstream heating unit 34a and the downstream heating unit 34b in 32a and 32b are individually determined.

  Then, the control device 10 controls the current application circuit 29 based on the temperature detected by the temperature sensor 37 so that the temperature of each heating block 35 approaches the determined set temperature. More specifically, for example, when the temperature detected by the temperature sensor 37 is lower than the set temperature, the current flowing through the corresponding heat generating member 36 increases as the difference from the set temperature increases. The application circuit 29 is controlled. On the other hand, when the temperature detected by the temperature sensor 37 is higher than the set temperature, the current application circuit 29 is controlled so that the current flowing through the corresponding heat generating member 36 decreases as the difference from the set temperature increases. .

  And by controlling the electric current provision circuit 29 by the control apparatus 10 in this way, in this Embodiment, the temperature of the heating block 35 of the upstream heating part 34a in each heating apparatus 32a, 32b, and each heating apparatus The temperature of the heating block 35 of the downstream heating unit 34b in 32a and 32b can be individually controlled. Thereby, in the yarn processing section 12, when twisting is applied to a plurality of types of yarns Y (for example, yarns having different materials and thicknesses), each yarn Y is individually selected according to the type. The twisting device 24 can be heated to a temperature suitable for imparting twist.

  For example, the yarn Y traveling in the yarn traveling groove 38 of the first heating device 32a is a cationic dyeable polyester yarn (CD yarn), and the yarn Y traveling in the yarn traveling groove 38 of the second heating device 32b is a polyester yarn. The temperature of the heating block 35 of the upstream heating unit 34a of the second heating device 32b is set higher than the temperature of the heating block 35 of the upstream heating unit 34a of the first heating device 32a, and the second heating The temperature of the heating block 35 of the downstream heating unit 34b of the device 32b is set higher than the temperature of the heating block 35 of the downstream heating unit 34b of the first heating device 32a. Thereby, the calorie | heat amount provided to a polyester yarn can be made larger than the calorie | heat amount provided to a cationic dyeable polyester yarn. Here, the cationic dyeable polyester yarn is a polyester yarn that is easily dyed by a cationic dye. In this embodiment, the amount of heat applied to the cationic dyeable polyester yarn and the amount of heat applied to the polyester yarn can be made different from each other, so that the cationic dyeable polyester yarn and the polyester yarn are heated to appropriate temperatures. can do.

  Moreover, in this Embodiment, as above-mentioned, in each heating apparatus 32a, 32b, the length of the machine width direction of the heating block 35 of the downstream heating part 34b is the length of the heating block 35 of the upstream heating part 34a. It is longer than the length in the machine width direction. Further, as described above, in each of the heating devices 32a and 32b, the set temperature for the heating block 35 of the upstream heating unit 34a is higher than the set temperature for the heating block 35 of the downstream heating unit 34b. Thus, in each of the heating devices 32a and 32b, the yarn Y rapidly rises in a short time when traveling through the yarn traveling groove 38 of the upstream heating unit 34a, and then the yarn traveling of the downstream heating unit 34b. When traveling in the groove 38, the temperature rises gradually over a longer time than when traveling in the yarn traveling groove 38 of the upstream heating section 34a.

  In the present embodiment, as described above, the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b do not partially overlap when viewed from the longitudinal direction of the machine base. Are shifted in the vertical direction. Therefore, when the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b are completely overlapped when viewed from the longitudinal direction of the machine base, or partially overlapped as in Modification 3 described later. Compared to the case, heat transfer is less likely to occur between the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b. Further, in the present embodiment, since the plurality of heat insulating materials 33 are arranged so as to fill the gaps in the accommodation space 31a in which the heating devices 32a and 32b are accommodated, the heating block 35 and the second heating device 35a of the first heating device 32a are arranged. Heat transfer is less likely to occur with the heating block 35 of the heating device 32b.

  For these reasons, in the present embodiment, heat interference is unlikely to occur between the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b. Therefore, the temperature of the heating block 35 of each heating device 32a, 32b can be reliably set to the set temperature.

  Further, as described above, in order to heat the cationic dyeable polyester yarn and the polyester yarn by the heating devices 32a and 32b, respectively, the set temperature of the heating block 35 of the upstream heating unit 34a of the second heating device 32b is set to the first temperature. While making it higher than the setting temperature of the heating block 35 of the upstream heating part 34a of the heating device 32a, the setting temperature of the heating block 35 of the downstream heating unit 34b of the second heating device 32b is set downstream of the first heating device 32a. When the temperature is higher than the set temperature of the heating block 35 of the heating unit 34b, the heat of the heating block 35 of the second heating device 32b is higher than that of the first heating device 32a located below the second heating device 32b. It is hard to be transmitted to. Therefore, in this case, the temperature of the heating block 35 of each heating device 32a, 32b can be more reliably set to the set temperature.

  When the yarn Y traveling in the yarn traveling groove 38 of the first heating device 32a and the yarn Y traveling in the yarn traveling groove 38 of the second heating device 32b are of the same type, the first heating device 32a and the second heating device 32b have the same set temperature of the heating block 35 of the upstream heating unit 34a and the same set temperature of the heating block 35 of the downstream heating unit 34b. Thereby, even in such a case, the yarn Y can be heated to an appropriate temperature.

  Next, control of the blowers 46a and 46b by the control device 10 will be described. When the yarn Y that travels through the gap 51c of the first cooling device 41a and the yarn Y that travels through the clearance 51c of the second cooling device 41b are of the same type, the control device 10 uses the blowers 46a and 46b. Rotate at the same speed. Thereby, the same amount of air flow is generated in the gap 51c of the first cooling device 41a and the gap 51c of the second cooling device 41b, and the yarn Y traveling in the gap 51c of the first cooling device 41a, 2 The yarn Y traveling through the gap 51c of the cooling device 41b is cooled to the same extent.

  On the other hand, when the type (material, thickness, etc.) is different between the yarn Y traveling through the gap 51c of the first cooling device 41a and the yarn Y traveling through the gap 51c of the second cooling device 41b, The control device 10 rotates the blowers 46a and 46b at different rotational speeds in accordance with the types of the yarns Y, so that the air flow velocity in the internal space 42a of the first common duct 42 and the second common duct are increased. The air flow rate in the internal space 43a of 43 is made different. Thereby, the flow velocity of the air flowing through the gap 51c of the first cooling device 41a can be made different from the flow velocity of the air flowing through the gap 51c of the second cooling device 41b, and travels through the gap 51c of the first cooling device 41a. The yarn Y and the yarn Y traveling through the gap 51c of the second cooling device 41b can be cooled to an appropriate level according to the type of the yarn Y.

  For example, when the yarn Y cooled by the first cooling device 41a is a cationic dyeable polyester yarn and the yarn Y cooled by the second cooling device 41b is a polyester yarn, the rotation of the second blower 46b. By making the speed faster than the rotational speed of the first blower 46a, the amount of heat taken from the polyester yarn can be made larger than the amount of heat taken from the cationic dyeable polyester yarn. In this embodiment, the amount of heat deprived from the cationic dyeable polyester yarn and the amount of heat deprived from the polyester yarn can be made different from each other, so that the cationic dyeable polyester yarn and the polyester yarn can be cooled to appropriate temperatures, respectively. it can.

  Next, modified examples in which various changes are made to the present embodiment will be described.

  In the above-described embodiment, two first heating devices 32a and two second heating devices 32b are accommodated in one box 31, but this is not a limitation. For example, in Modification 1, as shown in FIG. 10A, one box 31 houses one first heating device 32a and one second heating device 32b. In the second modification, as shown in FIG. 10B, three first heating devices 32 a and three second heating devices 32 b are accommodated in one box 31. 10A and 10B, the current application circuit 29 and the control device 10 illustrated in FIG. 3 are not illustrated.

  Even in these cases, the vertical position of the heating block 35 of the first heating device 32a is different from the vertical position of the heating block 35 of the second heating device 32b, and the heating block 35 of the first heating device 32a is different. And the heating block 35 of the 2nd heating apparatus 32b does not overlap seeing from the machine body longitudinal direction. Therefore, as in the above-described embodiment, heat interference is unlikely to occur between the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b, and each heating block 35 is reliably set to a set temperature. Can be heated. One box 31 may accommodate four or more first heating devices 32a and four or more second heating devices 32b.

  Further, in the above-described embodiment, the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b are arranged so as to be shifted in the vertical direction so that they do not overlap when viewed from the longitudinal direction of the machine base. However, it is not limited to this. For example, in Modification 3, as shown in FIG. 11, the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b are arranged so as to be shifted in the vertical direction. The amount of deviation is smaller than that of the embodiment, and the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b partially overlap each other when viewed from the machine table longitudinal direction. However, in Modification 3, in order to avoid direct contact between the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b, the heating block 35 and the second heating device of the first heating device 32a are used. The heating block 35 of 32b is separated in the machine table longitudinal direction, and the heat insulating material 33 is also arranged between the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b in the machine table longitudinal direction. Has been. In FIG. 11, the current application circuit 29 and the control device 10 illustrated in FIG. 3 are not illustrated.

  Even in this case, compared with the case where the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b are completely overlapped when viewed from the longitudinal direction of the machine base, the heating block of the first heating device 32a. It is difficult for heat interference to occur between the heating block 35 and the heating block 35 of the second heating device 32b.

  In the above-described embodiment, as an example in which the set temperature of the heating block 35 is different between the first heating device 32a and the second heating device 32b, the heating block 35 of the upstream heating unit 34a of the second heating device 32b. Is set higher than the set temperature of the heating block 35 of the upstream heating unit 34a of the first heating device 32a, and the set temperature of the heating block 35 of the downstream heating unit 34b of the second heating device 32b is set to the first temperature. Although the example which makes it higher than the preset temperature of the heating block 35 of the downstream heating part 34b of the heating apparatus 32a was demonstrated, it is not restricted to this. The set temperature of the heating block 35 of the upstream heating unit 34a of the second heating device 32b may be lower than the set temperature of the heating block 35 of the upstream heating unit 34a of the first heating device 32a. Further, the set temperature of the heating block 35 of the downstream heating unit 34b of the second heating device 32b may be lower than the set temperature of the heating block 35 of the downstream heating unit 34b of the first heating device 32a.

  Moreover, although the above-mentioned embodiment demonstrated the example which makes the preset temperature of the heating block 35 different between the 1st heating apparatus 32a and the 2nd heating apparatus 32b, it is not restricted to this.

  For example, the set temperature of the heating block 35 may be varied between the two first heating devices 32a or between the two second heating devices 32b. When the first heating device 32a and the second heating device 32b are alternately arranged in the machine table longitudinal direction as in the above-described embodiment, two adjacent first heating devices in the machine table longitudinal direction. Since the second heating device 32b is disposed between the devices 32a and the first heating device 32a is disposed between the two adjacent second heating devices 32b, the two first heating devices 32a are arranged in the longitudinal direction of the machine base. The two second heating devices 32b are disposed apart from each other in the longitudinal direction of the machine base. Further, a heat insulating material 33 is interposed between the two first heating devices 32a and between the two second heating devices 32b. For these reasons, heat transfer is unlikely to occur between the heating blocks 35 of the two first heating devices 32a and between the heating blocks 35 of the two second heating devices 32b. Therefore, even in this case, in each of the first heating devices 32a and each of the second heating devices 32b, the heating block 35 can be reliably set to the set temperature.

  In the above-described embodiment, the heating devices 32a and 32b include the upstream heating unit 34a and the downstream heating unit 34b. However, the present invention is not limited to this. For example, the heating devices 32a and 32b may have one heating unit in which the length of the upstream heating unit 34a and the length of the downstream heating unit 34b are added in the machine width direction.

  In the above-described embodiment, two yarns Y are combined in the combining device 26, and the combined yarn Ya is wound around one bobbin B1 in the winding device 60, and two yarns are combined. It was possible to switch between winding these two yarns Y around the two bobbins B2 without combining Y, but this is not restrictive. The winding device 60 may always wind the combined yarn Ya around one bobbin B1. Alternatively, the yarn synthesizing device 26 may not be provided, and the winding device 60 may always wind the yarn Y around the two bobbins B2. In this case, the first twisting device 24a and the second twisting device 24b may have the same twisting direction.

  In the above-described embodiment, one winding device 60 is provided for two adjacent twisting devices 24 (one first twisting device 24a and one second twisting device 24b). But it is not limited to this. For example, the winding device 26 may be omitted, and one winding device 60 may be provided for one twisting device 24. Also in this case, the first twisting device 24a and the second twisting device 24b may have the same twisting direction. In this case, the secondary heating unit 27 may have the same structure as the primary heating unit 21. Then, the yarn Y that has been false twisted by the first twisting device 24a and the yarn Y that has been falsely twisted by the second twisting device 24b, depending on the type of the yarn Y. Can be heated to an appropriate degree.

  In the above-described embodiment, the first cooling device 41a is connected to the first common duct 42, whereas the second cooling device 41b is connected to the second common duct 43. Is not limited. In the fourth modification, as shown in FIG. 12, one common duct 111 (“invention of the present invention” is provided so as to span the region where the first common duct 42 and the second common duct 43 are arranged in the above-described embodiment. A first common duct ") is arranged. The connection ducts 44 and 45 are both connected to the common duct 111.

  Even in this case, as in the above-described embodiment, the first cooling device 41a and the second cooling device 41b are bent appropriately according to the arrangement of the heating devices 32a and 32b and the twisting devices 24a and 24b. It can be placed on the yarn path so that the corners can be maintained. In this case, unlike the above-described embodiment, the flow rate of the air flowing through the gap 51c cannot be individually changed between the first cooling device 41a and the second cooling device 41b. However, for example, the first cooling device 41a and the second cooling device such that the yarn Y cooled by the first cooling device 41a and the yarn Y cooled by the second cooling device 41b are of the same type. There is no problem when it is not necessary to change the degree of cooling of the yarn Y from 41b.

  In the above-described embodiment, the gap 51c of the first cooling device 41a communicates with the internal space 42a of the first common duct 42 via the first connection duct 44, and the gap 51c of the second cooling device 41b is the first. Although connected to the internal space 43a of the second common duct 43 via the two connection ducts 45, the present invention is not limited to this. In Modification 5, as shown in FIGS. 13A and 13B, the gap 51c of the first cooling device 41a is interposed via the individual duct 52 and the first connection duct 44, as in the above-described embodiment. The first common duct 121 is connected to the internal space 121a. On the other hand, the opposing members 51 a and 51 b of the second cooling device 41 b are directly attached to the lower surface of the second common duct 122. A plurality of communication holes 123 are formed in a portion of the lower surface of the second common duct 122 that overlaps the gap 51c of the second cooling device 41b. Accordingly, the gap 51 c of the second cooling device 41 b is connected to the internal space 122 a of the second common duct 122 via the plurality of communication holes 123.

  In Modification 6, as shown in FIGS. 14A and 14B, a communication hole 131b is formed on the side surface of the common duct 131, and the first connection duct 132 is connected to the communication hole 131b. Thus, the internal space 132 a of the first connection duct 132 communicates with the internal space 131 a of the common duct 131. Thus, the gap 51c of the first cooling device 41a is connected to the internal space 131a of the common duct 131 via the individual duct 52 and the first connecting duct 132. Further, the opposing members 51 a and 51 b of the second cooling device 41 b are directly attached to the lower surface of the common duct 131. A plurality of communication holes 131c are formed in a portion of the lower surface of the common duct 131 that overlaps the gap 51c of the second cooling device 41b. As a result, the gap 51c of the second cooling device 41b is connected to the internal space 122a of the common duct 122 via the plurality of communication holes 131c.

  In the case of the modified examples 5 and 6, since the second connection duct 45 is not provided, the second cooling device 41b cannot be arranged apart from the common ducts 122 and 131. That is, the position in the direction orthogonal to the lower surfaces of the common ducts 122 and 131 of the second cooling device 41b cannot be changed. However, even in this case, the position in the direction orthogonal to the lower surfaces of the common ducts 122 and 131 of the first cooling device 41a can be changed as in the above-described embodiment. And if the position of the direction orthogonal to the lower surface of the common duct 122,131 of the 1st cooling device 41a is changed, the 1st cooling device 41a and the 2nd cooling device 41b in the direction orthogonal to the lower surface of the common duct 122,131 will be described. The positional relationship of is changed. Accordingly, even in the cases of the fifth and sixth modifications, the first cooling device 41a and the second cooling device 41a and the second cooling device 41b are less flexible than the above-described embodiment, although the degree of freedom in arrangement of the first cooling device 41a and the second cooling device 41b is low. By adjusting the positional relationship with the cooling device 41b, the first cooling device 41a and the second cooling device 41b can be connected to the appropriate yarn Y according to the arrangement of the heating devices 32a and 32b and the twisting devices 24a and 24b. It can arrange | position on a yarn path which can maintain a bending angle.

  Also in the cases of the fifth and sixth modifications, the first cooling device 41a is located on the opposite side of the common ducts 122 and 131 with respect to the second cooling device 41b. However, also in the modified example 2, one connection duct 44 is provided for each of the two adjacent first cooling devices 41a. Therefore, the gap 51c of the first cooling device 41a and the internal spaces 122a and 131a of the common ducts 122 and 131 can be communicated with each other via the first connection duct 44.

  In the above-described embodiment, one first connection duct 44 is connected to the communication holes 52c of the individual ducts 52 of the two first cooling devices 41a, and one second connection duct 45 is two Although connected to the communication hole 52c of the individual duct 52 of the second cooling device 41b, it is not limited to this. One first connection duct 44 may be connected to the communication hole 52c of the individual duct 52 of one first cooling device 41a. Alternatively, one first connection duct 44 may be connected to the communication holes 52c of the individual ducts 52 of the three or more first cooling devices 41a. The same applies to the second connection duct 45.

  In the above-described embodiment, the cooling unit 23 is configured such that the gaps 51 c of the plurality of cooling devices 41 are connected to the internal spaces 42 a and 43 a of the common ducts 42 and 43. Then, an air flow is generated in the internal spaces 42a and 43a to generate an air flow in the gap 51c, and the yarn Y is cooled by the air flowing through the gap 51c. However, the configuration of the cooling unit 23 is not limited to this. The cooling unit 23 is configured so that, for example, the yarn Y that travels through the gap 51c without the common ducts 42 and 43 comes into contact with the opposing members 51a and 51b, and heat of the yarn Y is transmitted to the opposing members 51a and 51b. The yarn Y may be cooled by being transmitted.

  In the above-mentioned embodiment, the 1st cooling device 41a and the 2nd cooling device 41b are shifted and arranged in the perpendicular direction, and the 1st twisting device 24a and the 2nd twisting device 24b are shifted in the vertical direction. Although it was arranged, it is not limited to this. The 1st cooling device 41a and the 2nd cooling device 41b may be arrange | positioned so that it may not overlap | deviate to a perpendicular direction but may overlap completely seeing from a machine head longitudinal direction. Moreover, the 1st twisting device 24a and the 2nd twisting device 24b may be arrange | positioned so that it may not overlap | deviate to a perpendicular direction but may overlap completely seeing from a machine base longitudinal direction.

  In the above-described embodiment, the traveling direction of the yarn Y in the heating devices 32a and 32b is a horizontal direction, but is not limited thereto. For example, the present invention can be applied to a false twisting machine in which the traveling direction of the yarn in the heating device is greatly inclined with respect to the horizontal direction as described in JP-A-11-107084. In this case, the heating block 35 of the first heating device 32a and the heating block 35 of the second heating device 32b are shifted in a direction different from the vertical direction.

  In the above-described embodiment, the adjustment of the cooling capacity of the cooling devices 41a and 41b has been described as a configuration performed by controlling the rotation speed of the blowers 46a and 46b with the inverter circuit 54, but the configuration is not limited thereto. The flow rate of the cooling air may be adjusted by providing the common ducts 42 and 43 with a flow rate adjusting device such as a butterfly valve that is operated manually or automatically in response to a command from the control device 10. It is also possible to combine the control of the blowers 46a and 46b by the inverter and the flow rate adjustment by a valve or the like.

DESCRIPTION OF SYMBOLS 1 False twisting machine 25 Twisting device 26 Combined yarn device 32a 1st heating device 32b 2nd heating device 35 Heating block 36 Heat generating member 38 Yarn running groove 41 Cooling device 61 Winding device

Claims (6)

A false twisting machine that is long in the machine table longitudinal direction, false twisting a plurality of yarns,
A plurality of heating devices for heating the plurality of yarns;
A plurality of cooling devices arranged on the downstream side of the plurality of heating devices in the yarn path of the yarn, and cooling the plurality of yarns;
A twisting device that is arranged on the downstream side of the plurality of cooling devices in the yarn path of the yarn, and that twists the plurality of yarns,
The plurality of heating devices are a plurality of first heating devices and a plurality of second heating devices arranged alternately along the longitudinal direction of the machine base,
Each heating device
A heating block for forming a yarn traveling portion for traveling the yarn, and heating the yarn traveling through the yarn traveling portion;
A heating member for heating the heating block,
At least one of the first heating devices and at least one of the second heating devices is housed in one box;
The false twisting machine, wherein the heating block of the first heating device and the heating block of the second heating device are arranged so as to be shifted from the longitudinal direction of the machine base.   The false twisting machine according to claim 1, wherein two or more first heating devices and two or more second heating devices are accommodated in one box.   The heating block of the first heating device and the heating block of the second heating device are arranged so as not to overlap each other when viewed from the longitudinal direction of the machine base. The false twisting machine described. The heating block of the second heating device is disposed above the heating block of the first heating device,
The false twisting machine according to any one of claims 1 to 3, wherein the temperature of the heating block of the second heating device is higher than the temperature of the heating block of the first heating device.   The thermal insulation material accommodated so that it may be located in the said box between the said heating block of the said 1st heating apparatus and the said heating block of the said 2nd heating apparatus is characterized by the above-mentioned. The false twist processing machine in any one of -4. In the yarn path of the yarn, the plurality of heating devices, the plurality of cooling devices, and the plurality of twisting devices are arranged on the downstream side and heated by the adjacent first heating device and the second heating device. A plurality of spinning devices for joining two yarns respectively;
A plurality of winding devices that are arranged on the downstream side of the spinning device in the yarn path of the yarn and wind up the joined yarns, respectively, are further provided. The false twisting machine according to any one of the above.

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