DE102017200067A1 - yarn monitoring device - Google Patents

Abstract

A yarn monitoring device (6) comprises a detection section (70) and an upstream yarn guide (64). The detecting portion detects a state of a yarn in a yarn running space through which the yarn passes. The upstream yarn guide (64) is disposed upstream of a yarn running direction of the detection section (70) and is adapted to control the yarn path of the yarn (21), which is a running position, in the yarn running space (68). The yarn monitoring device (6) is provided with a first exhaust port (71) adapted to blow pressurized air serving as fluid to a region comprising at least the upstream yarn guide (64). The first discharge gate (71) comprises a portion located downstream in the yarn running direction of the upstream yarn guide (64).

Description

BACKGROUND OF THE INVENTION

1. Field of the invention

The present invention relates to a yarn monitoring device adapted to monitor a state of a running yarn. More particularly, the present invention relates to a configuration for blowing fiber debris in the yarn monitoring apparatus.

2. Description of the Related Art

Conventionally, a yarn monitoring device is known having a configuration for blowing compressed air into a yarn path through which the yarn passes to blow off the fiber waste in the yarn run space. This type of yarn monitoring device is described in U.S. Patent Nos Japanese Unexamined Patent Application No. 2013-230908 disclosed.

The yarn monitoring device of Japanese Unexamined Patent Application No. 2013-230908 is provided with a yarn passage formed along a running path of the yarn in a groove shape. The yarn monitoring device also includes a detecting section adapted to detect a state (presence / absence of a yarn defect, etc.) of the yarn in the running space through which the yarn passes. A yarn path guide is disposed upstream in a yarn running direction of the detection section to control a running position of the yarn in the yarn running space. The yarn monitoring apparatus further includes a blowing portion, and the compressed air is blown from the blowing portion toward and into the detecting portion.

More specifically, the yarn passage has a set of sidewall surfaces disposed parallel to each other with the yarn path therebetween, the compressed air being blown in a diagonal direction from the blowing section to one of the set of sidewall surfaces so that air flow also occurs the other sidewall surface and the like act to prevent fiber debris from remaining in the yarn passage.

BRIEF SUMMARY OF THE INVENTION

However, it turned out that in the configuration of Japanese Unexamined Patent Application No. 2013-230908 the yarn path guide is disposed at a recessed position in the yarn run space, and thus it may be difficult for the compressed air flow blown diagonally from the glass section to reach an area near the yarn path guide. In this case, the fiber waste may remain near the yarn path guide. Development of a configuration capable of efficiently blowing away the fiber waste is thus desired.

The present invention has been made in view of the above circumstances, and an object thereof is to efficiently blow away fiber debris in the vicinity of an upstream yarn path regulating member located upstream in the yarn running direction of the detecting section in the yarn monitoring device.

The problems to be solved by the present invention are as described above, and below the means and effects for solving such problems will be described.

According to one aspect of the present invention, there is provided a yarn monitoring apparatus having the following configuration. In particular, the yarn monitoring device comprises a detecting section and an upstream Garnwegsregulierbauglied. The detecting portion is adapted to detect a state of a yarn in a yarn running space through which the yarn passes. The upstream yarn path regulating member is disposed upstream in a yarn running direction of the detecting section, and is adapted to control a yarn path that is a running position of the yarn in the yarn running space. The yarn monitoring device is provided with a first exhaust port adapted to blow a fluid to a region including at least the upstream yarn path regulating member. The first discharge gate includes a portion located downstream in the yarn running direction of the upstream yarn path regulating member.

Thus, since the first exhaust gate includes the portion located downstream in the yarn running direction of the upstream yarn path regulating member, fluid flow is formed in the vicinity of the downstream side in the yarn running direction of the upstream yarn path regulating member. The fluid exhausted from the first exhaust port thereby readily reaches the portion near the upstream yarn path regulating member. Therefore, the fiber waste in the vicinity of the upstream yarn path regulating member can be efficiently blown away by the fluid blown out from the first blowing gate. Thus, the fiber debris in the vicinity of the upstream yarn path regulating member can be prevented from entering a detection region, particularly, the yarn running space with the running yarn, and remaining in the detection region.

In embodiments of the yarn monitoring device described above, the downstream side coincides in the yarn running direction with a vertically upper side. Here, the vertically upper side is not limited only to a fully vertical upper side and also tolerates a direction inclined at a small angle with respect to the vertical direction. In other words, the downstream side in the yarn running direction need only have at least one vertically upward component.

Thus, even if the fiber waste on the upper side (i.e., downstream in the yarn running direction) of the upstream yarn path regulating member is deposited due to its own weight, such fiber waste can be blown away and removed by the fluid blown out from the first blowing gate. The fiber waste deposited on the upstream yarn path regulating member can be prevented from entering the detection region with the yarn and remaining in the detection region.

In embodiments of the yarn monitoring device described above, the first discharge gate is formed in the yarn running direction in an elongate shape.

Thus, the fluid from the first exhaust gate along the yarn running direction can be greatly blown off over a relatively wide range, so that the fiber waste near the upstream yarn path regulating member is sufficiently blown off.

In embodiments, the yarn monitoring apparatus described above preferably has the following configuration. In particular, the yarn monitoring apparatus further includes a downstream yarn path regulating member. The downstream yarn path regulating member is disposed downstream in the yarn running direction of the detecting section and is adapted to control the yarn path. A part of the blow-out direction of the fluid blown out from the first blower is inclined with respect to the yarn path defined by the upstream yarn path regulating member and the downstream yarn path regulating member to approach the downstream side in the yarn running direction with increasing distance from the first blower.

Thus, the fiber waste is blown away to move it from the area near the upstream yarn path regulating member to the downstream side of the yarn path, whereby the once blown fiber waste can be prevented from returning to the yarn running space with the current yarn.

In embodiments of the yarn monitoring apparatus described above, a part of the blow-out direction of the fluid blown out from the first blower port is formed to be in a direction directed to the detecting portion.

Thus, not only the area near the upstream Garnwegsregulierbauglss, but also the detection portion can be cleaned simultaneously by the blown out of the first Ausblastor fluid.

In embodiments, the yarn monitoring device described above has the following configuration. In particular, the Garnlaufraum is formed with three sides, which are surrounded by a pair of side walls and a rear wall. An exhaust direction of the fluid blown out from the first exhaust port toward the detection section is formed to be in a direction in which the exhausted fluid enters the yarn path from an opened side of the yarn path and is blown against one of the pairs of side walls.

Thus, the fluid blown out from the first exhaust port toward the detection portion enters the yarn path from the opened side and is blown against one of the pairs of sidewalls, thereby generating the flow of fluid swirling in the yarn path, and therefore the fluid becomes also blown against the back wall and the other side wall. The interior of the runway can thus be cleaned over a wide region.

In embodiments, the yarn monitoring apparatus described above preferably has the following configuration. Specifically, the detecting section includes a first sensor section having a light projecting section adapted to emit light toward the yarn, and a light receiving section adapted to receive the light emitted from the light projecting section. When viewed in a direction along the yarn running direction, the blowing direction of the fluid blown out from the first blowing gate to the detecting section is formed to be in a direction directed to a position including both an exit surface of the light of the light projecting section and an incident surface the light of the light receiving section in the side walls avoids.

In other words, if the exit surface of the light of the light projection section and the incident surface of the light of the light receiving section become dirty, it may affect the detection result of the detection section. In this regard, in the present Configuration, the fluid blown out to the position which avoids both the exit surface of the light of the light projecting portion and the incident surface of the light of the light receiving portion in the side walls, so that even if the fluid is dirty, the detection performance of the first sensor portion are kept at a high level can.

In embodiments, the yarn monitoring device described above has the following configuration. In particular, the detection section further comprises a second sensor section, which is arranged downstream in the yarn running direction of the first sensor section. An end on the downstream side in the yarn running direction of the first Ausblastors is upstream in the Garnlaufrichtung the second sensor portion.

Thus, the fluid blown out from the first blower does not excessively flow toward the second sensor portion, whereby the blown fluid discharged from the first blower can be intensively blown against the region comprising the upstream yarn path regulating member, and such region can be cleaned efficiently in a concentrated manner become.

In embodiments, the yarn monitoring apparatus described above preferably has the following configuration. In particular, the yarn monitoring device further comprises a cutting section and a second blowing gate. The cutting portion is disposed upstream of the yarn advancing direction of the upstream yarn path regulating member and is adapted to cut the yarn passing through the yarn running space. The second exhaust gate is provided to blow the fluid toward the cutting portion. The second discharge gate is formed upstream in the yarn running direction of the upstream Garnwegsregulierbauglieds.

The cutting portion is thus cleaned by the fluid that is not blown out from the first bleed port but from the second bleed port, and thus the first bleed port can be considered as a fluid bleed port for removing the fiber drop associated with the detection performance of the first sensor section , Therefore, the first exhaust gate may be disposed at a position suitable for blowing away the fiber waste near the upstream yarn path regulating member, and the shape of the first exhaust port may be formed in a shape suitable for blowing away the fiber waste near the upstream yarn path regulating member is. Therefore, each location can be appropriately cleaned by the fluid blown out from the individual exhaust port.

In embodiments, the yarn monitoring device described above has the following configuration. In particular, the Garnlaufraum is formed with three sides, which are surrounded by a pair of side walls and a rear wall. The blow-out direction of the fluid blown out from the second blower port is formed to be in a direction directed toward the opened side of the yarn running space.

The fluid is thus blown out from the second exhaust port, whereby the fiber waste within the Garnlaufraums can be blown to the outside of the Garnlaufraums.

In embodiments, the yarn monitoring device described above has the following configuration. In particular, the yarn monitoring device comprises a downstream Garnwegsregulierbauglied. The downstream yarn path regulating member is disposed downstream in the yarn running direction of the detecting section and is adapted to control the yarn path. In a standby state in which the yarn is not cut off, the cutting portion is disposed at a position shifted from a yarn path defined by the upstream yarn path regulating member and the downstream yarn path regulating member, viewed in a direction perpendicular to the back wall is, and the blow-out direction of the blown from the second Ausblastor fluid is formed to lie in a direction that is directed in the standby state to the cutting portion without passing through the yarn path.

The cutting portion in the standby state in which the yarn is not cut off can be cleaned by appropriately blowing the fluid blown out from the second discharge gate. Furthermore, there is an advantage that the yarn does not vibrate even if the fluid blown out from the second blower port is blown against the cut portion during yarn running.

In embodiments, the yarn monitoring device described above has the following configuration. In particular, the yarn monitoring device further includes a fluid introduction port and a fluid flow path. The fluid is introduced into the fluid introduction port. The fluid flow path guides the fluid introduced from the fluid introduction port to the first exhaust port and the second exhaust port. The fluid flow path includes an introduction path, a first flow path, a second flow path, and an intermediate path. The fluid introduction port is formed at one end of the introduction path. The first exhaust port is formed at one end of the first flow path. The second exhaust gate is formed at one end of the second flow path. The other end of the introduction path, the other end of the first flow path and the other end of the second flow path are connected at different positions with the intermediate path. The intermediate path extends in a direction different from any one of a direction in which the insertion path extends, a direction in which the first flow path extends, and a direction in which the second flow path extends. In the intermediate path, the other end of the second flow path is downstream in the fluid flow direction with respect to the other end of the introduction path.

In this way, by appropriately setting the diameter, cross-sectional area, and the like of the first exhaust port, the second exhaust port, and each flow path, the fluid introduced from the fluid introduction port can be suitably communicated to the fluid to be exhausted from the first exhaust port and the fluid is to be blown from the second blower. In this way, adjustment is made such that each of the flow amount of the fluid blown out from the first blower port to the upstream yarn path regulating member and the detection portion and the flow amount of the fluid blown out from the second blower port toward the cutting portion a suitable amount of flow, whereby all places can be cleaned accordingly.

In embodiments of the yarn monitoring apparatus described above, an opening at which the first flow path is connected to the intermediate path is larger than an opening at which the second flow path is connected to the intermediate path.

Thus, the flow amount of the fluid flowing to the first flow path may be made larger than the flow amount of the fluid flowing to the second flow path, and moreover, the amount of the fluid to be blown to a region including the upstream Garnwegsregulierbauglied larger be designed as the amount of fluid to be blown to the cutting portion. Thus, a large amount of fluid is supplied to the region comprising the upstream Garnwegsregulierbauglied, wherein the fluid is desirably blown over a wider region, whereas a small amount of fluid is supplied to the cutting portion, wherein the fluid is desirably blown selectively, so that Purification target can be efficiently cleaned without wasting the fluid wasteful.

BRIEF DESCRIPTION OF THE DRAWINGS

1 Fig. 10 is a front view illustrating an overall configuration of an automatic winding apparatus including a yarn monitoring apparatus according to an embodiment of the present invention;

2 Fig. 11 is a side view of a winding unit including the yarn monitoring device;

3 Fig. 11 is a perspective view of an external appearance of the yarn monitoring apparatus;

4 Fig. 11 is a front view of the appearance of the yarn monitoring apparatus;

5 is a schematic planar cross-sectional view of a first housing and an interior thereof;

6 is a schematic plan view of a second housing and an interior thereof;

7 Fig. 16 is a front view illustrating a configuration of a slit formed in the yarn monitoring apparatus and a periphery thereof;

8th Fig. 10 is a plan view of a flow path member disposed in the yarn monitoring apparatus;

9 is a cross-sectional view along a line AA in 8th ;

10 is a cross-sectional view taken along a line BB in FIG 8th ;

11 Fig. 11 is a projection view illustrating a state in which a distribution flow path of compressed air is projected onto a virtual plane that is perpendicular to a yarn running direction in the yarn monitoring device; and

12 FIG. 12 is a projection view illustrating a state in which a distribution flow path of compressed air is projected onto a virtual plane that is perpendicular to the yarn running direction in a yarn monitoring device, according to an alternative embodiment. FIG.

DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

As in 1 comprises an automatic winding device (yarn winding machine) 1 as main components a plurality of winding units (yarn winding units) 10 which are juxtaposed, and a machine control section 11 in a direction in which the winding units 10 are arranged, is arranged at one end.

The machine control section 11 includes a display device 12 that is capable of making each winding unit 10 to display associated information, a command input section 13 for an operator to various types of commands related to the engine control section 11 and the like. The operator of the automatic winding device 1 can check different types of displays on the display 12 and also the command input section 13 operate accordingly to the majority of winding units 10 together with the machine control section 11 manage.

Each in 1 and 2 illustrated winding unit 10 is configured a yarn 21 from a yarn feeding spool 20 unwind and the yarn around a reel spool 22 to wind around again. The winding spool 22 with the yarn 21 which is wound around the same, is called a winding body 23 designated. In the following description, "upstream in the yarn running direction" and "downstream in the yarn running direction" respectively denote when viewed in the running direction of the yarn 21 upstream and downstream side.

As in 2 is illustrated, comprises the winding unit 10 as main components, a main body frame 24 , a yarn feed section 25 and a winding section 26 ,

The main body frame 24 is on one side of the winding unit 10 arranged. The majority of the components of the winding unit 10 is directly or indirectly through the main body frame 24 carried. An operating section to be operated by the operator 27 is at a front of the main body frame 24 intended.

The yarn feed section 25 is configured, the yarn feeding spool 20 that is adapted to the yarn 21 to be able to keep in an upright state. The winding section 26 includes a coil carrier 28 and a winding drum 29 ,

The coil carrier 28 rotatably supports the winding spool 22 , The coil carrier 28 is also configured to be a circumferential surface of the supporting reel spool 22 to allow a circumferential surface of the winding drum 29 to touch. The winding drum 29 is arranged around the winding spool 22 and is configured to be rotatably driven by a motor (not illustrated). A traverse groove (not illustrated) with a reciprocating spiral shape for traversing around the reel spool 22 wrapped yarn 21 is on the outer peripheral surface of the winding drum 29 educated.

The winding spool 22 is done by driving and turning the winding drum 29 rotated, wherein the outer peripheral surface of the winding bobbin 22 the winding drum 29 touched. In this way, this can be done by the yarn feed spool 20 unwound yarn 21 around the winding spool 22 while being traversed by the traverse groove. The component for traversing the yarn 21 is not on the winding drum 29 limited, and instead of the winding drum 29 For example, a traversing device of the arm type adapted to the yarn may be adopted 21 with a traverse guide which is driven in a reciprocating manner in a predetermined Traversierbreite.

Each winding unit 10 includes a unit control section 30 , The unit control section 30 is configured by hardware such as a CPU, a ROM and a RAM, and software such as a control program stored in the RAM. Due to the common operation of the hardware and software, each component of the winding unit 10 controlled. The unit control section 30 every winding unit 10 is configured with the engine control section 11 to be able to communicate. In this way, the operation of each winding unit 10 through the machine control unit 11 be managed intensively.

The winding unit 10 has a configuration in which an unwinding assisting device 31 , a tensioning device 32 a yarn joining device 33 and a yarn monitoring device 6 in this order from an upstream side in the yarn running direction in a yarn travel path between the yarn supply section 25 and the winding section 26 are arranged.

The unwinding assistance device 31 includes a regulatory member 35 adapted to contact a portion (balloon) bagged to the outside when that from the yarn feeding spool 20 unwound yarn 21 is pivoted around by a centrifugal force. The touch of the Regulierbauglieds 35 with the balloon prevents the yarn 21 is swung over and holds the balloon in a prescribed size, thereby making it possible to unwind the yarn 21 from the yarn feeding spool 20 under a prescribed tension.

The tension exerciser 32 is adapted to a predetermined tension on the running yarn 21 exercise. The tension exerciser 32 of the present embodiment may be a gate-type tension-applying device in which movable comb teeth are arranged with respect to fixed comb teeth. The tension exerciser 32 practices by passing the yarn 21 while being tensioned in an intermeshing state between the comb teeth, an appropriate tension on the yarn 21 out. Besides the gate-type voltage applying device, for example, a disk-type voltage applying device for the voltage applying device 32 be taken over.

The yarn connecting device 33 is configured a yarn (lower yarn) from the yarn supply spool 20 and a yarn (upper yarn) from the reel spool 22 to connect (yarn joining process) when the yarn 21 between the yarn feeding spool 20 and the winding spool 22 is separated, such as when the yarn with a cutting device (cutting tool) 16 is cut off, as will be described later. The configuration of the yarn connecting device 33 is not particularly limited, however, a pneumatic splicer may be adopted which rotates the yarn ends with a fluidized air flow generated by compressed air, or a mechanical knotter and the like may be adopted. An upper yarn suction tube (first yarn catching and guiding device) 44 sucks and catches the yarn end of the reel spool 22 (from the winding section 26 ) and leads the yarn end to the yarn joining device 33 , A lower yarn suction pipe (second yarn catching and guiding device) 45 sucks and catches the yarn end from the yarn feed bobbin 20 (from the yarn feeding section 25 ) and leads the yarn end to the yarn joining device 33 ,

The yarn monitoring device 6 is configured, the state (the quality) of the running yarn 21 to monitor and one in the yarn 21 contained yarn defect (section with anomaly in the yarn 21 ) and the like. The yarn monitoring device 6 includes the cutting device 16 that is adapted to the yarn 21 when the yarn defect and the like are detected in the monitoring yarn.

The following is a brief description of an operation when the yarn defect and the like are caused by the yarn monitoring device 6 be captured, with reference to 2 ,

If the yarn defect and the like in the monitoring yarn 21 are detected, sends the yarn monitoring device 6 a yarn defect detection signal to the unit control section 30 and also activates the cutting device 16 to the yarn 21 to cut off. The yarn 21 , which is located downstream of the cutting portion is once in the winding body 23 wound. That in the winding body 23 wrapped yarn 21 in this case comprises a section of one through the yarn monitoring device 6 detected yarn defect and the like. The unit control section 30 also stops the winding of the yarn through the winding section 26 ,

The lower yarn suction pipes 45 sucks and catches that from the yarn feed spool 20 fed yarn end and leads the yarn end to the yarn joining device 33 , Before or after, the upper yarn suction tube sucks and catches 44 that in the winding body 23 wrapped yarn end and leads the yarn end to the yarn joining device 33 , In this case, the section of one in the winding body 23 wound yarn defect and the like through the upper yarn suction tube 44 sucked and pulled out.

The yarn connecting device 33 connects those through the upper yarn suction pipes 44 and the lower yarn suction pipes 45 Guided yarn ends. Thus, after the garment-defect-like portion has been removed, it is removed by the cutter 16 cut yarn 21 connected again.

After the yarn joining operation by the yarn joining device 33 is completed, takes the unit control section 30 the winding of the yarn 21 through the winding section 26 back up. In accordance with the above operations, the yarn monitoring device may 6 detected yarn defect and the like are removed, and the winding of the yarn 21 in the winding body 23 can be resumed.

Next, a detailed description will be made of a configuration of the yarn monitoring apparatus 6 according to the present embodiment with reference to 3 to 11 ,

As in 3 to 5 is illustrated includes the yarn monitoring device 6 of the present embodiment as the main components, a first housing 66 , a second housing 67 , a top plate 63 , an upstream yarn guide (upstream Garnwegsregulierbauglied) 64 , a downstream yarn guide (downstream Garnwegsregulierbauglied) 65 , a detection section 70 , the cutting device 16 ( please refer 2 and 6 ) and a supervisory control section 200 ,

The first case 66 (Detecting portion holding portion) is a housing that is adapted, at least partially, the detecting portion 70 take. The first case 66 is made of resin, for example. In the present embodiment, the first housing takes 66 the entire recording section 70 on.

The detection section 70 is adapted to a state of yarn 21 in a yarn tray 68 to grasp through which the yarn 21 running. As in 3 and 4 is illustrated, the detection section comprises 70 a bracket 69 , a first sensor section 51 and a second sensor section 52 , The first sensor section 51 and the second sensor section 52 be through the bracket 69 held on the first case 66 is attached. The detection section 70 may also be referred to as a measuring section adapted to the state of the yarn 21 to eat.

In the present embodiment, the first sensor section 51 configured, the state of the yarn 21 (Yarn thickness, presence / absence of yarn defect, etc.) by irradiating the yarn 21 to capture with light. The first sensor section 51 includes a light emitting element (light projection section) 37 and a light receiving element (light receiving section) 38 , The light emission element 37 is configured by LED and the like, for example. The light receiving element 38 For example, it is configured by a photodiode and is adapted to convert an intensity of received light into an electrical signal and to output the electrical signal.

The second sensor section 52 is in the yarn running direction of the first sensor section 51 arranged downstream. The second sensor section 52 of the present embodiment is configured as a so-called optical sensor, similar to the first sensor section 51 ,

The second housing 67 , this in 3 . 4 and 6 is illustrated, a housing that is adapted, the cutting device 16 the yarn monitoring device 6 for cutting the yarn 21 to keep. In other words, the second housing takes 67 at least partially the cutting device 16 on. The second housing 67 also takes at least partially a Flusswegsbauglied 90 which will be described later. The Flusswegsbauglied 90 is a plate-shaped metal member. The second housing 67 is made of resin, for example.

The cutting device 16 includes a blade (cutting section) 81 and a drive mechanism 80 that is adapted to the blade 81 drive. The blade 81 is with the drive mechanism 80 connected, as in 6 is illustrated, wherein a distal end portion (blade edge 81a ) of the blade 81 to an interior of a slot 6a can be exposed, which will be described later (in other words, an interior of Garnlaufraums 68 to be described later). The drive mechanism 80 For example, it is configured as a solenoid and is capable of driving the drive mechanism 80 the blade edge 81a the blade 81 the cutting device 16 in the yarn path in which the yarn 21 running, advancing and the blade edge 81a withdraw with respect to the yarn path. In the following description, a condition in which the blade 81 with respect to the yarn path is referred to as a "standby state". The Flusswegsbauglied 90 Also serves as a support (blade receiving section) that is adapted to the blade edge 81a take.

The top plate 63 , in the 3 and 4 is a thin sheet of metal having an outer shape when viewed along the Garnlaufrichtung along the outer shape of the first housing 66 runs. The first case 66 is in an upper side (downstream in the Garnlaufrichtung) of the second housing 67 fitted. The top plate 63 is fastened while the same by a suitable method on an upper side (downstream in the yarn running direction) of the first housing 66 is positioned.

As in 3 is illustrated, the yarn monitoring device 6 with the slot 6a provided along the Garnlaufrichtung. The slot 6a is formed in a groove shape in which one side (front side) is opened when viewed along the yarn running direction. In other words, the slot 6a thus formed to the yarn monitoring device 6 in the yarn running direction, and is configured so that the yarn 21 from the open side (front) can be introduced. The slot 6a is by three inner walls (rear wall 6b and a pair of side walls 6c . 6d ). The yarn run space 68 is inside the slot 6a formed (while the same is surrounded by the three inner walls). The yarn run space 68 is a space through which the yarn 21 , which is a monitoring target of the yarn monitoring device 6 is, can run.

In the present embodiment, a slot 69a in the holder 69 (please refer 5 ) formed on the first housing 66 is attached, a slot 67a is the first case 66 formed upstream and a slot 63a is in the upper plate 63 educated.

If every member containing the yarn monitoring device 6 forms, in the first housing 66 and the second housing 67 is housed and the top plate 63 with the first housing 66 is joined, are the slots 69a . 67a . 63a connected and thus form a slot as a whole 6a , as in 3 is illustrated.

For a more detailed description of the slot 6a is the one on the inside of the first case 66 formed slot 69a (In the present embodiment mainly in the holder 69 formed on the first housing 66 is fixed) by three inner walls configured with one side (front side) open. The three inner walls comprise a rear wall 69b that the open side of the yarn run 68 facing, and a pair of side walls 69c . 69d which are those inner walls that are not the back wall 69b are. With every pair of sidewalls 69c . 69d is an end (rear end) on the side opposite to the opened side, with the rear wall 69b connected. The pair of side walls 69c . 69d is arranged to face each other.

Similarly, the slot is 67a , the first case 66 is formed upstream, also configured by three inner walls (rear wall 67b and a pair of side walls 67c . 67d ), with one side (front) open. In the present embodiment, the rear wall is 67b through a back wall 90b the Flusswegsbauglied 90 configured. The side wall 67c on one side (right side) of the side walls 67c . 67d is through a section (section where the blade 81 attached) which is the Garnlaufraum 68 the cutting device 16 facing, through the second housing 67 is held. The side wall 67d on the other side (left side) of the side walls 67c . 67d is configured by a section of the blade edge 81a the Flusswegsbauglied 90 receives.

The slot 63a the top plate 63 is also formed in a groove shape, with one side (front) is opened.

If the first case 66 and the second housing 67 in which each member containing the yarn monitoring device 6 forms, is housed, as well as the upper plate 63 are fastened together in such a configuration, the three slots 69a . 67a . 63a integrated and thus form a slot 6a , A specific configuration of the slot 6a is not limited to the configuration described above, and various changes may be made within a scope without departing from the gist of the present invention.

The upstream yarn guide 64 is adapted to the yarn path through which the yarn passes 21 is running, in the yarn run space 68 to regulate. The upstream yarn guide 64 is formed in a shape having a substantially V-shaped groove when viewed in the yarn running direction, and is attached to the back wall 69b the holder 69 projecting towards the inside, causing the open side to open the side of the slot 6a coincides. The upstream yarn guide 64 is at an upstream end of the bracket 69 appropriate. The upstream yarn guide 64 is in the yarn running direction of the detecting portion 70 (In particular of the first sensor section 51 ) arranged upstream. The cutting device 16 is in the yarn running direction of the upstream yarn guide 64 arranged upstream.

The downstream yarn guide 65 is also adjusted to the yarn path through which the yarn passes 21 is running, in the yarn run space 68 to regulate. The downstream yarn guide 65 has a shape similar to the upstream yarn guide 64 is. The downstream yarn guide 65 is at a downstream end of the bracket 69 appropriate. The downstream yarn guide 64 is in the yarn running direction of the detecting portion 70 arranged downstream.

The upstream yarn guide 64 and the downstream yarn guide 65 are made of a material (ceramic in the present embodiment) having an abrasion resistance property. As in 4 is illustrated, this runs through the Garnlaufraum 68 running yarn 21 while forming a lower portion of the substantially V-shaped groove of the yarn guides 64 . 65 touched. The yarn path through which the yarn 21 is running, is thereby with respect to the yarn monitoring device 6 stabilized, so that the state of the yarn 21 in the detection section 70 can be stably monitored.

Next, a more specific description will be made of a configuration of the detection section 70 that with the bracket 69 is joined, with reference to 4 . 5 and 7 ,

As described above, the holder is 69 the first sensor section 51 in the yarn running direction of the second sensor section 52 arranged upstream.

As in 5 is illustrated is the light receiving element 38 on a part of the sidewall 69c of the slit formed in the yarn monitoring device 69a arranged (bracket 69 ). In the light receiving element 38 forms a surface leading to the interior of the slot 69a is exposed, a surface (incidence surface) into which light enters. A transparent plate 39 (Plate that lets light through) made of resin is in the sidewall 69c facing side wall 69d fitted, on which the incident surface is provided, and the light emitting element 37 is on one side (inside of the holder 69 ) opposite the yarn running space 68 with the transparent plate 39 arranged between them. The light emission element 37 and the light receiving element 38 are arranged to face each other with the Garnweg between them. A surface (exit surface) from which the light from the light emitting element 37 exits after the same the transparent plate 39 has passed through, is at a part of the sidewall 69d educated. However, the incidence surface may be on the sidewall 69d of the slot 69a be formed, and the exit surface may be on the side wall 69c of the slot 69a be formed. The transparent plate may be in front of the light receiving element 38 be arranged.

The light emission element 37 irradiates the interior of the yarn running space 68 over the transparent plate 39 with light (to the light receiving element 38 HIN). Light emitting element 37 and the light receiving element 38 are arranged to face each other with the Garnweg between them. The supervisory control section 200 for causing the light receiving element 38 and the light emitting element 37 work is in the first case 66 accommodated.

According to the above configuration, part of the light is from the light emitting element 37 through the yarn 21 shielded, that by the Garnlaufraum 68 runs, and is passed through the light receiving element 38 receive. Thus, the intensity of the light passing through the light-receiving element changes 38 is received, based on the thickness of the yarn 21 , Therefore, the yarn monitoring device 6 the yarn defect and the like by detecting the thickness of the yarn 21 based on the intensity of the light passing through the light receiving element 38 Will be received. The light receiving element 38 can be arranged by the yarn 21 to receive reflected light. In the present embodiment, a through the light receiving element 38 in accordance with a light receiving amount outputted detection signal in the monitoring control section 200 is input, and the signal is subjected to an arithmetic process by the supervisory control section 200 subjected, whereby the Garndefekt and the like can be found.

In addition, the yarn monitoring device comprises 6 a configuration for cleaning the upstream yarn guide 64 , the first sensor section 51 and the cutting device 16 , The yarn monitoring device 6 blows the compressed air (the fluid) from a first exhaust port 71 with respect to the upstream yarn guide 64 and the first sensor section 51 and blows the compressed air from a second blower 72 concerning the blade 81 the cutting device 16 to blow away the fiber waste, eliminating the upstream yarn guide 64 , the first sensor section 51 and the blade 81 the cutting device 16 getting cleaned.

The following is a configuration for cleaning the upstream yarn guide 64 , the first sensor section 51 and the blade 81 the cutting device 16 with reference to 3 to 10 described in detail.

The yarn monitoring device 6 includes a compressed air inlet port (fluid introduction port) 73 , the first blast door 71 , the second blast door 72 and a distribution flow path (fluid flow path) 100 , The compressed air inlet gate 73 , the first blast door 71 , the second blast door 72 and the distribution flow path 100 are in one of the first housing 66 , the second housing 67 and the members formed in these housings of the yarn monitoring device 6 are housed.

As in 6 is illustrated is the compressed air inlet port 73 an opening (an entrance) through which compressed air is introduced. In the present embodiment, the compressed air introduction port is 73 formed on a surface (rear surface) on one side, the open side of the slot 6a in the yarn monitoring device 6 opposite. A hose 48 for supplying the compressed air is with the compressed air inlet port 73 connected.

As in 4 . 5 and 7 is the first bleed gate 71 a blow-out port (an opening) for blowing the compressed air to the upstream yarn guide 64 and the first sensor section 51 out. In other words, the first exhaust gate 71 a blower for blowing the compressed air to a region, at least the upstream yarn guide 64 includes. The first exhaust gate 71 is at a downstream end of a first flow path 91 formed, which will be described later.

The first exhaust gate 71 is located on an outside of the slot 6a near the open side of the slot 6a ,

The first exhaust gate 71 includes a portion in the yarn running direction of the upstream yarn guide 64 is arranged downstream. In other words, as in 7 is illustrated, taking into account a virtual plane P1, which is perpendicular to the Garnlaufrichtung and an upper end of the upstream yarn guide 64 touched (end of the downstream side in the yarn running direction), is a predominant part of the first Ausblastors 71 on an upper side (downstream in the yarn running direction) of the virtual plane P1. According to such a configuration of the first exhaust port 71 that flows from the first exhaust gate 71 blown compressed air to a portion near the downstream side in the yarn running direction of the upstream yarn guide 64 , The one from the first exhaust gate 71 blown compressed air thus easily reaches the section near the upstream yarn guide 64 ,

Preferably, a portion that is equal to or greater than a half of the first Ausblastors 71 is disposed on the upper side (downstream in the yarn running direction) of the virtual plane P1. More preferable is a section of 75% or more of the first exhaust port 71 arranged on the upper side of the virtual plane P1. More preferable is a section of 90% or more of the first exhaust port 71 arranged on the upper side of the virtual plane P1. Thus, the reaches of the first Ausblastor 71 blown compressed air by enlarging the portion located on the upper side of the virtual plane P1 in the first exhaust port 71 is easier to arrange the section on the downstream side of the upstream yarn guide 64 ,

When viewed in a direction along the yarn running direction is a direction in which the compressed air from the first Ausblastor 71 is blown out, a direction of approaching to the first sensor section 51 , as in 6 is illustrated, and is in particular a direction directed to a position of the transparent plate 39 the side wall 6d on one side of the slot 6a is slightly shifted. More specifically, the blow-out direction of the compressed air is that of the first exhaust port 71 is blown out, a direction in which the compressed air, even if the blown compressed air to the first sensor section 51 is not directly hit on a surface into which the light of the first sensor section 51 enters and leaves the same. The first exhaust gate 71 blows out the compressed air to directly onto a side wall 6d of the slot 6a hold true. At least a portion of the blown-out compressed air is blown out in one direction with respect to the side wall 6d is inclined. Subsequently, a direction in which the compressed air from the first exhaust port 71 is blown out (every direction in 5 and 7 indicated by a thick arrow) may be referred to as a first blow-out direction. As in 7 1, the first blowing direction may change according to the position in the yarn running direction, and may be a direction perpendicular to the side wall 6d of the slot 6a approaches, or may be a direction that is inclined to the downstream side in the Garnlaufrichtung while the same is the side wall 6d approaches.

When viewed in the direction along the yarn running direction, at least part of the first blowing direction is with respect to the side walls 6c . 6d of the slot 6a inclined, as in 5 is illustrated. Thus, the compressed air coming from the first bleed gate occurs 71 blown from the open side of the slot 6a in the yarn tray 68 one and is blown against a position by the transparent plate 39 (Position relative to the transparent plate 39 closer to the open side of the slot 6a ) of a side wall 6d of the slot 6a is slightly shifted.

When looking in the direction perpendicular to the back wall 6b of the slot 6a is, is the first exhaust gate 71 formed in the Garnlaufrichtung in an elongated shape, as in 7 and the like. In this way, the compressed air can be blown out quickly with a width of a certain extent.

When looking in the direction perpendicular to the back wall 6b of the slot 6a is is a trapezoidal guide surface 71a that is adapted to the compressed air coming from the first exhaust port 71 is blown, to lead, continuously at the first exhaust gate 71 arranged. From the two sets of opposite sides of the trapezoid, passing through the guide surface 71a is formed, the opposite sides, which are parallel to each other, directed to lie along the Garnlaufrichtung. The exit (first exhaust gate 71 ) of the compressed air is arranged to be elongated to lie along a shorter side (short side) of the parallel opposite sides, and the compressed air coming from the first exhaust port 71 is blown out, flows along the guide surface 71a , From the remaining opposite sides of the guide surface 71a For example, the upstream-side side in the yarn running direction is substantially perpendicular with respect to the yarn path, whereas the downstream-side side is inclined in the yarn running direction with respect to the yarn path to be on the downstream side in the yarn running direction while being the same 6a approaches. When guided through a ceiling surface (second guide surface) 71b in which the side on the downstream side in the yarn running direction of the guide surface 71a is formed as a side, and a bottom surface (third guide surface) 71c formed with the side on the upstream side in the yarn running direction as one side, the compressed air flowing from the first exhaust gate flows 71 is blown out to the first blow-out direction (to the longer side of the parallel opposite sides of the guide surface 71a HIN). The ceiling surface 71b is a Plane extending in a direction parallel to the side on the downstream side in the yarn running direction of the guide surface 71a is and in a depth direction (forward and backward direction) of the yarn monitoring device 6 extends. The soil surface 71c is a plane extending in a direction parallel to the side on the downstream side in the yarn running direction of the guide surface 71a is and in the depth direction of the yarn monitoring device 6 extends.

Therefore, when viewed in the direction perpendicular to the back wall 6b of the slot 6a is the direction (first discharge direction) in which the compressed air from the first exhaust port 71 is blown out, as in 7 is illustrated to change according to the position in the yarn running direction, and may be a direction perpendicular to the side wall 6d of the slot 6a approaching, or be a direction that is inclined to the downstream side in the Garnlaufrichtung while the same is the side wall 6d approaches. Thus, the compressed air in a wide range to the inside of Garnlaufraums 68 blown out through the slot 6a is formed. From the compressed air coming from the first exhaust port 71 to a side wall 6d is blown, the compressed air, which is blown in a direction inclined in the above manner, passes through the downstream side of the upstream yarn guide 64 and then whirls spirally in the slot 6a and is at a portion where the sensor section 51 is arranged, indirectly against the rear wall 6b and the other side wall 6c blown. The fiber waste of the upstream yarn guide bonded to the surface on the downstream side in the yarn running direction 64 and the like are separated when the compressed air is blown to the same, and the fiber waste is blown off to the downstream side of the yarn path together with the spirally flowing air flow as described above. Therefore, once blown fiber waste can be prevented from being mixed with the running yarn 21 to the upstream yarn guide 64 returns.

Therefore, by blowing the compressed air from the first exhaust port 71 towards the region, which is the upstream yarn guide 64 causes the compressed air to be made to have a strong impact on the region in the yarn running direction of the upstream yarn guide 64 immediately downstream, which is not reached in the conventional configuration of the compressed air. Therefore, the on the upstream yarn guide 64 bonded fiber waste due to the compressed air flow coming from the first exhaust port 71 is blown off, be blown off satisfactorily.

The yarn 21 runs up through the yarn runner 68 However, the fiber waste may fall by its own weight and on the upper side (ie, downstream in the yarn running direction) of the upstream yarn guide 64 deposit. However, in the present embodiment, the deposited fiber waste may be blown away and by the flow of compressed air passing through the first exhaust port 71 is blown out, removed, and the upstream of the yarn guide 64 Bound fiber waste can be prevented from using the yarn 21 into the detection region in the yarn running space 68 enter and remain in the coverage area.

The first exhaust gate 71 Not only does the compressed air blow to the top of the upstream yarn guide 64 , but also to the first sensor section 51 , and therefore, in addition to the proximity of the upstream yarn guide 64 also the first sensor section 51 with a blow-out gate (first blow-out gate 71 ) getting cleaned. In other words, the section relating to the detection performance of the first sensor section 51 refers, over a wide range with a Ausblastor (first Ausblastor 71 ) getting cleaned.

In addition, since the compressed air is not directly (but indirectly) against the light receiving element 68 or the transparent plate 39 Even if the cleaning level of the compressed air is low, the light receiving element is blown 38 or the transparent plate 39 (Incident surface and discharge surface of light) are prevented from being contaminated by the dirt carried by the compressed air, thus preventing the detection performance of the detection portion 70 is lowered.

As in 7 is illustrated, the end (upper end portion) is located on the downstream side in the yarn running direction of the first Ausblastors 71 in the yarn running direction of the second sensor section 52 upstream (lower side) so that the compressed air coming from the first exhaust port 71 is blown off, in excess of the second sensor section 52 to flow. Therefore, the compressed air coming from the first exhaust port 71 blown out, be blown intensively against a region, which is the upstream yarn guide 64 so that the relevant region can be efficiently cleaned in a concentrated manner.

The compressed air is from the compressed air inlet port 73 through the distribution flow path 100 the first exhaust gate 71 fed. The supply path of the compressed air will be described later.

As in 6 is the second bleed gate 72 a blow-out gate (an opening), the adapted to blow out (inject) the compressed air to the compressed air to the blade edge 81a the blade 81 the cutting device 16 to blow.

The second exhaust gate 72 is formed on a portion which in an assembled state the rear wall 67b of the slot 67a while it is in the second housing 67 the Flusswegsbauglied 90 is housed. As in 6 is the second bleed gate 72 arranged at a position when viewed in a depth direction of the slit 67a (when viewed in a direction perpendicular to the back wall 67b is) is shifted. The direction near the outlet of the second outlet 72 is directly to the blade edge 81a the blade 81 in the standby state retracted from the yarn path. In other words, the second blower blows 72 the compressed air in the direction directly to the open side of the slot 6a is directed. Hereinafter, such a direction may be referred to as a second blow-out direction.

The blade edge 81a the blade 81 is arranged in the standby state on an extended line of the second blow-out direction. The outline of the second exhaust gate 72 is circular and the diameter is formed to be preferably smaller than or equal to 1.0 mm, and more preferably smaller than or equal to 0.6 mm. In this way, the compressed air coming from the second bleed gate 72 blown out, targeted to the blade edge 81a the blade 81 the cutting device 16 be blown. The blade edge 81a the blade 81 the cutting device 16 is generally a place where it is likely that Schneidereste and the like of the yarn 21 can be caught, and by targeted blowing the compressed air to the relevant section, the required section of the cutting device 16 be efficiently cleaned at a small amount of flow.

As in 7 is the second bleed gate 72 (lower side) in the yarn running direction of the upstream yarn guide 64 formed upstream, and the compressed air is not against the upstream yarn guide 64 blown. In other words, the second exhaust gate 72 as a dedicated exhaust gate for cleaning the cutting device 16 configured. Thus, each bleed gate (first bleed gate 71 or second bleed gate 72 ) as a dedicated exhaust gate for cleaning the cleaning target (upstream yarn guide 64 and first sensor section 51 or cutting device 16 ), so that each vent may be designed to an optimum location and shape for properly cleaning each cleaning target.

The compressed air is from the compressed air inlet port 73 to the second exhaust gate 72 through the distribution flow path 100 provided. The supply path of the compressed air will be described later.

Next is a brief description of the distribution flow path 100 with reference to 8th to 11 performed.

The distribution flow path 100 is a flow path adapted to that of the compressed air introduction port 73 to the first exhaust gate 71 and the second exhaust gate 72 to lead introduced compressed air. The distribution flow path 100 includes an introduction route 93 , a first river path 91 , a second flow path 92 and an intermediate way 94 ,

As in 8th is the introductory route 93 , the first river way 91 , at least part of the second flow path 92 and the intermediate way 94 of the distribution flow path 100 in the Flusswegsbauglied 90 formed, which is a metal member partially in the second housing 67 is housed. The Flusswegsbauglied 90 is in a flat plate shape with a recess 90a educated. When the Flusswegsbauglied 90 partially in the second housing 67 is housed, forms the back wall 90b the recess 90a a part of the back wall 6b of the slot 6a (a part of the back wall 67b of the slot 67a ). When the Flusswegsbauglied 90 partially in the second housing 67 is housed, are the back wall 90b the recess 90a and a surface (rear surface) on one side, that of the recess 90a the Flusswegsbauglied 90 Opposite, exposed, without passing through the second housing 67 to be covered. The compressed air inlet gate 73 and the second exhaust gate 72 are formed at sections where the riverway song 90 is exposed.

In the following description, "upstream in an air flow direction (upstream in a fluid flow direction)" and "downstream in an airflow direction (downstream in a fluid flow direction)" in the direction in which the compressed air (fluid) flows precede the flow path ,

The introduction route 93 is a linear flow path with one end connected to the compressed air inlet port 73 is provided. The introduction route 93 is formed to be perpendicular to the rear surface (in particular, the rear surface of the Flußwegsbauglieds 90 ) from the back surface side of the yarn monitoring device 6 to extend. The other end of the introduction route 93 is with the intermediate way 94 connected.

The first river way 91 is a river path with one end connected to the first exhaust gate 71 is provided. The first river way 91 is bent several times in its course. The first river way 91 is formed over a plurality of members (in particular Flusswegsbauglied 90 , first housing 66 and second housing 67 ). In particular, the flow path is in the Flußwegsbauglied 90 from the one with the intermediate way 94 connected end to the middle of the first flow path 91 educated. In addition, as in 4 is illustrated, the flow path from the center to the first Ausblastor 71 in the second housing 67 educated. At a section near the first outlet 71 is a part of the downstream side in the yarn running direction of the flow path in the first case 66 is formed and the remaining portion (a part on the upstream side in the yarn running direction) is in the second housing 67 educated. The first exhaust gate 71 is formed to the first case 66 and the second housing 67 to cross. The one in the Flusswegsbauglied 90 in the first river way 91 The formed portion is from a surface (bottom surface) on a side in a thickness direction of the Flußwegsbauglieds 90 formed to extend perpendicular to the ground surface, as in 9 and 10 is illustrated. The first exhaust gate 71 is at one end of the first river route 91 formed as described above, and the other end of the first flow path 91 is with the intermediate way 94 connected.

The second river way 92 is a linear flow path with one end connected to the second exhaust port 72 is provided. The second river way 92 of the present embodiment is formed to be perpendicular to the rear wall 90b from the back wall 67b of the slot 67a to extend (more specifically, the back wall 90b the recess 90a of the Flusswegsbauglied). The other end of the second river route 92 is with the intermediate way 94 connected. In the present embodiment, the second flow path is 92 completely in the Flusswegsbauglied 90 educated.

The intermediate way 94 is a linear flow path where one end of the introduction path 93 , an end of the second river route 92 and one end of the first flow path are respectively connected to different positions, in this order, to the downstream side in the air flow direction. The intermediate way 94 extends in a direction that is from any of the direction in which the insertion path 93 extends the direction in which the second flow path 92 extends, and the direction in which the first flow path 91 extends, is different. In the present embodiment, the intermediate path extends 94 in a direction perpendicular to all the direction in which the insertion path 93 extends the direction in which the second flow path 92 extends, and the direction is where the first flow path 91 extends. Thus it is in the middle way 94 the end at which the second flow path 92 with the intermediate way 94 is connected, in the air flow direction with respect to the end, at which the introduction path 93 with the intermediate way 94 connected, downstream. In other words, the position at which the second flow path 92 with the intermediate way 94 connected with respect to the position at which the introduction path 93 with the intermediate way 94 is connected, offset to the downstream side in the air flow direction.

According to the distribution flow path configured as described above 100 is the compressed air coming from the compressed air inlet port 73 to the yarn monitoring device 6 (second housing 67 ) is introduced to the first flow path 91 and the second flow path 92 distributed and from the respective Ausblastoren (first Ausblastor 71 and second bleed gate 72 ) blown out.

The position at the end of the second flow path 92 with the intermediate way 94 is offset to the downstream side in the air flow direction with respect to the position at which the end of the introduction path 93 with the intermediate way 94 connected is. Therefore, the compressed air coming from the insertion path 93 be prevented from being significantly distracted and to the second flow path 92 to flow. A diameter (diameter of the end of the second flow path 92 ) D2 a circular opening at which the second flow path 92 with the intermediate way 94 is formed to be smaller than a diameter (diameter of the end of the introduction path 93 ) D3 to be a circular opening, wherein the insertion path 93 with the intermediate way 94 is connected (D2 <D3). Therefore, the compressed air with weak force from the second blower 72 against the blade edge 81a the cutting device 16 blown. In this way, a cleaning can be targeted by focusing on the place where the fiber waste of the cutting device 16 is easily captured, using a small amount of compressed air, so that a wasteful consumption of the compressed air can be reduced.

As in 9 and 10 is a diameter (diameter of the end of the first flow path 91 ) D1 a circular opening at which the first flow path 91 with the intermediate way 94 is connected, formed to be larger than a diameter (diameter of the end of the second flow path 92 ) D2 to be a circular opening, wherein the second flow path 92 with the intermediate way 94 is connected (D1> D2). Thus, the flow amount of the compressed air flowing to the second flow path 92 flows, be designed to be less than the amount of flow of compressed air, which leads to the first river way 91 flows. Thus, in the present embodiment, a small amount of compressed air is supplied to the second exhaust port 72 for the cutting device 16 fed by simply targeted blowing the compressed air to the blade edge 81a can be sufficiently cleaned, whereas a relatively large amount of compressed air to the first Ausblastor 71 can be supplied to the compressed air for the upstream yarn guide 64 and the detection section 70 to forcefully blow over a wide area (ie, over a large width of the slot 6a ). The flow amount of the compressed air to be supplied can be adjusted according to each cleaning target, and the cleaning can be carried out efficiently.

In the distribution flow path 100 With such a configuration, the diameter, the shape, the cross-sectional area, and the like of the flow path and the orifice are set accordingly, so that the compressed air coming from the compressed air introduction port 73 is introduced, in a suitable manner to the compressed air from the first Ausblastor 71 is to blow out, and the compressed air from the second blower 72 is to be blown out, can be distributed. The compressed air can thus be blown out accordingly for cleaning according to the cleaning target.

As described above, the yarn monitoring apparatus includes 6 of the present embodiment, the detection section 70 and the upstream yarn guide 64 acting as the upstream yarn path regulating member. The detection section 70 detects the condition of the yarn 21 in the yarn tray 68 through which the yarn 21 running. The upstream yarn guide 64 is in the yarn running direction of the detecting portion 70 arranged upstream and is adapted to the yarn path, which determines the running position of the yarn 21 in the yarn tray 68 is to settle. The yarn monitoring device 6 is with the first exhaust gate 71 adapted to blow the fluid serving as compressed air against the region, at least the upstream yarn guide 64 includes. The first exhaust gate 71 includes a portion in the yarn running direction of the upstream yarn guide 64 is arranged downstream.

Thus, since the first exhaust gate 71 comprises the portion located downstream in the yarn running direction of the upstream yarn guide, the flow of compressed air near the downstream side in the yarn running direction of the upstream yarn guide 64 educated. The compressed air coming from the first exhaust port 71 is blown out, thus easily reaches the section in the vicinity of the upstream yarn guide 64 , Therefore, the fiber waste near the upstream yarn guide 64 efficient through the first exhaust port 71 blown compressed air are blown away. Consequently, the fiber waste of the upstream yarn guide 64 be prevented from entering the detection area, especially with the yarn 21 in the yarn tray 68 , and to remain in the coverage area.

In the yarn monitoring device 6 In the present embodiment, the downstream side falls in the running direction of the yarn 21 with a vertically upper side together.

Thus, even if the fiber waste on the upper side (ie, downstream in the yarn running direction) of the upstream yarn guide 64 is deposited by its own weight, such a fiber waste are blown away and by the compressed air coming from the first Ausblastor 61 blown out, be removed. The one on the upper yarn guide 64 Deposited fiber waste may be prevented from entering the detection region with the yarn and remaining in the detection region.

In the yarn monitoring device 6 of the present embodiment, the first Ausblastor 71 formed in the Garnlaufrichtung in an elongated shape.

The compressed air can thus from the first Ausblastor 71 be blown forcefully over a relatively wide range along the yarn running direction, so that the fiber waste in the vicinity of the upstream yarn guide 64 can be blown off satisfactorily.

The yarn monitoring device 6 The present embodiment further includes the downstream yarn guide 65 , The downstream yarn guide 65 is in the yarn running direction of the detecting portion 70 arranged downstream and is adapted to the running position (yarn path) of the yarn 21 in the yarn tray 68 to regulate. As in 7 is a part of the discharge direction (part of the first discharge direction) of the compressed air, that of the first Ausblastor 71 is blown out with respect to the yarn path caused by the upstream yarn guide 64 and the downstream yarn guide 65 is defined, inclined to move with increasing distance from the first bleed gate 71 approach the downstream side in the Garnlaufrichtung.

Thus, the fiber waste is blown away from the area near the upstream yarn guide 64 to be moved to the downstream side of the yarn path, wherein the once blown fiber waste can be prevented from it, with the current yarn 21 to the yarn run space 68 to return.

In the yarn monitoring device 6 , described above, is a part of the discharge direction of the compressed air coming from the first exhaust gate 71 is blown out, formed to lie in a direction to the detection section 70 is directed.

Thus, not only the area near the upstream yarn guide can 64 but also the capturing section 70 (Incident surface and exit surface of the light of the same) simultaneously by that of the first Ausblastor 71 blown compressed air to be cleaned.

The yarn monitoring device 6 The present embodiment also has the following configuration. In particular, the Garnlaufraum 68 formed with the three sides, that of the pair of side walls 6c . 6d and the back wall 6b are surrounded. The discharge direction of the first Ausblastor 71 blown compressed air is to the detection section 70 formed to lie in a direction in which the blown compressed air from the open side of the Garnlaufraums 68 (Space passing through the slot 6a is formed) in the Garnlaufraum 68 enters, and is against a side wall 6b the pair of side walls 6c . 6d blown.

The one from the first exhaust gate 71 to the detection section 70 blown compressed air thus occurs from the open side in Garnvorraum 68 one and gets against a side wall 6d the pair of side walls 6c . 6d blown, wherein the flow of compressed air is generated in the Garnlaufraum 68 whirls, and therefore the compressed air is also against the back wall 6b and the other side wall 6c blown. The interior of the barrel can thus be cleaned over a wide range.

In the yarn monitoring device 6 of the present embodiment, the detecting section 70 the first sensor section 51 with the light emitting element 37 serving as the light projection section adapted to light to the yarn 21 out and the light receiving element 68 which is adapted to that of the light emitting element 37 to receive emitted light. When viewed in the direction along the yarn running direction, the blowing direction is that of the first blowing out gate 71 to the detection section 70 blown out compressed air to lie in a direction which is directed to a position that both the surface (above described exit surface), of which the light from the light emitting element 37 emerges, as well as the surface (incidence surface) at which the light enters the light receiving element 38 enters, in the side walls 6c . 6d avoids.

In other words, if the exit surface of the light from the light emitting element 37 and the incident surface of the light to the light receiving element 68 become dirty, this is due to the detection result of the capturing section 70 (first sensor section 51 ). In this regard, in the present configuration, the compressed air is blown out to the position that both the exit surface of the light from the light emitting element 37 and the incident surface of the light to the light receiving element 38 in the side walls 6c . 6d so that even if the compressed air is dirty, the detection performance of the detection section 70 (first sensor section 51 ) can be kept high.

In the yarn monitoring device 6 of the present embodiment, the detecting section 70 further the second sensor section 52 in the yarn running direction of the first sensor section 51 is arranged downstream. The end on the downstream side in the yarn running direction of the first Ausblastors 71 is in the yarn running direction of the second sensor section 52 upstream.

Thus flows from the first exhaust port 71 blown compressed air not in abundance to the second sensor section 52 , which eliminates the first bleed gate 71 blown compressed air can be blown intensively against the region, the upstream yarn guide 64 and such a region can be efficiently cleaned in a concentrated manner.

The yarn monitoring device 6 The present embodiment further includes the blade 81 the cutting device 16 and the second exhaust gate 72 , The blade 81 the cutting device 16 is in the yarn running direction of the upstream yarn guide 64 arranged upstream and is adjusted by the Garnlaufraum 68 running yarn 21 to cut off. The second exhaust gate 72 is provided to the compressed air to the blade 81 the cutting device 16 to blow. The second exhaust gate 72 is in the yarn running direction of the upstream yarn guide 64 formed upstream.

The blade 81 the cutting device 16 is thus cleaned by the compressed air, not from the first blower 71 but from the second bleed gate 72 is blown out, and thus can the first Ausblastor 71 are considered to be a dedicated bleed gate for removing the fiber drop, that of the detection performance of the first sensor section 51 assigned. Therefore, the first bleed gate 71 be arranged at a position for blowing away the fiber waste in the vicinity of the upstream yarn guide 64 is suitable, and the shape of the first Ausblastors 71 may be formed in a shape suitable for blowing away the fiber waste in the vicinity of the upstream yarn guide 64 suitable is. Therefore, each place can by the by the individual blower blown compressed air to be cleaned accordingly.

In the yarn monitoring device 6 of the present embodiment is the Garnlaufraum 68 formed with the three sides, that of the pair of side walls 6c . 6d and the back wall 6b of the slot 6a are surrounded. The blow-out direction of the second blow-out gate 72 blown compressed air is formed to lie in a direction that is toward the open side of the yarn run 68 is directed.

The fluid is thus from the second Ausblastor 72 blown, causing the fiber waste in the Garnlaufraum 68 to the outside of the yarn running space 68 can be blown away.

In addition, the yarn monitoring device comprises 6 the present embodiment, the downstream yarn guide 65 , The downstream yarn guide 65 is in the yarn running direction of the detecting portion 70 arranged downstream and is adapted to regulate the position (the yarn path) at which the yarn 21 in the yarn tray 68 running. When viewed in a direction perpendicular to the back wall 6b is, is the blade 81 the cutting device 16 arranged at a position which is displaced from the Garnweg, by the upstream yarn guide 64 and the downstream yarn guide 65 is defined, and the blow-out of the second Ausblastor 72 blown compressed air is formed to lie in a direction in the standby state to the blade edge 81a the blade 81 the cutting device 16 is directed without passing through the Garnweg.

The second blower door 72 blown compressed air can thus in the standby state, in which the yarn 21 not cut off, according to the blade 81 the cutting device 16 be blown to the blade 81 to clean. In addition, there is an advantage to the fact that the yarn 21 does not swing, even if that from the second bleed gate 72 blown out fluid during yarn run against the blade 81 the cutting device 16 is blown.

The yarn monitoring device 6 The present embodiment further includes the compressed air introduction port 73 and the distribution flow path 100 , The compressed air becomes the compressed air inlet port 73 introduced. The distribution flow path 100 leads from the compressed air inlet port 73 introduced compressed air to the first bleed gate 71 and the second exhaust gate 72 , The distribution flow path 100 includes the introduction route 93 , the first river way 91 , the second river way 92 and the intermediate way 94 , The compressed air inlet gate 73 is at one end of the introduction route 93 educated. The first exhaust gate 71 is at one end of the first river route 91 educated. The second exhaust gate 72 is at one end of the second flow path 92 educated. The other end of the introduction route 93 , the other end of the first river route 91 and the other end of the second flow path 92 are in the air flow direction (fluid flow direction) of the intermediate path 94 each at different positions with the intermediate path 94 connected. The intermediate way 94 extends in a direction that is from any of the direction in which the insertion path 93 extends, the direction in which the first flow path 91 extends, and the direction in which the second flow path 92 extends, is different. At the intermediate way 94 is the end (the other end) where the second flow path is located 92 with the intermediate way 94 is connected, in the air flow direction with respect to the end (the other end) to which the introduction path 93 with the intermediate way 94 connected, downstream.

Thus, that of the compressed air inlet port 73 introduced compressed air by appropriately setting the diameter, the cross-sectional area and the like of the first Ausblastors 71 , the second outlet 72 and each flow path suitably to the compressed air coming from the first exhaust port 71 is to blow out, and the compressed air from the second blower 72 is to be blown out, distributed. In this way it is adjusted that each of the flow amount of compressed air coming from the first blower 71 to the upstream yarn guide 64 and the detection section 70 (first detection section 51 ), and the amount of flow of compressed air coming from the second exhaust port 72 to the blade 81 the cutting device 16 is blown out to a suitable amount of flow, whereby all places can be cleaned accordingly.

In addition, in the yarn monitoring device 6 of the present embodiment, the diameter D1 of the opening (the other end), at which the first flow path 91 with the intermediate way 94 is greater than the diameter D2 of the opening (the other end) at which the second flow path 92 with the intermediate way 94 is connected (D1> D2). In other words, the opening of the first flow path 91 larger than the opening of the second flow path 92 ,

The amount of flow to the first flow path 91 flowing compressed air can thus be designed to be larger than the amount of flow to the second flow path 92 flowing compressed air, and in addition, the amount of compressed air that is to blow to the region, the upstream yarn guide 64 includes, be designed to be greater than the amount of compressed air to the blade 81 the cutting device 16 to blow is. Thus, a large amount of compressed air becomes the first exhaust gate 71 for the region, which is the upstream yarn guide 64 supplied, wherein it is desirable that compressed air is blown over a wider region, whereas a small amount of compressed air to the second blower 72 for the blade 81 the cutting device 16 wherein it is desirable that the compressed air is selectively blown, so that the cleaning target can be cleaned efficiently without wasting the compressed air wastefully.

The preferred embodiment of the present invention has been described above, however, the above-described configuration may be modified as described below.

In the embodiment described above, the first blow-out direction is a direction in which the compressed air from the opened side of the slit 67a . 69a diagonally to a side wall 69d however, the present invention is not limited thereto. Alternatively, the first blow-off direction may be a direction in which the compressed air from the open side of the slot 67a . 69a diagonally to the other side wall 69c is blown.

In the embodiment described above, the compressed air from the first Ausblastor 71 and the second exhaust gate 72 however, the present invention is not limited to this, and a gas (fluid) other than air may be blown out. For example, a gas having a small amount of liquid may be blown out.

The shape and size of the first outlet 71 and the second exhaust port 72 are not limited to those described above and may be changed accordingly. The shape of the first blower 71 For example, it is preferable that it is a shape where at least a part of the blown-out fluid easily becomes an area near the upstream yarn guide 64 achieved, and may for example have shapes such as a parallelogram, a rectangle, an ellipse and a trapezoid. The first exhaust gate 71 can be thought of as a three-dimensional venting gate in which the guide surface 71a , the ceiling surface 71b and the soil surface 71c are integrated.

In addition, the opening of the section at the each of the introduction route 93 , the first river way 91 and the second flow path 92 with the intermediate way 94 may be formed in other shapes (eg, a polygon) instead of being formed in a circular shape as in the above-described embodiment.

In the embodiment described above, the first sensor section 51 configured as an optical sensor that is a light-emitting element 37 on a side wall 6d and a light receiving element 38 on the other side wall 6c includes. However, the present invention is not limited thereto, and a light-emitting element or a plurality of light-emitting elements and a light-receiving element or a plurality of light-receiving elements may be provided. In other words, for example, a light-emitting element and a light-receiving element on a side wall 6d and the light-receiving element corresponding to such a light-emitting element and the light-emitting element corresponding to such a light-receiving element may be arranged on the other side wall 6c be arranged. The number of light receiving elements corresponding to a light emitting element is not limited to one, and with respect to a light emitting element, a plurality of light receiving elements may be arranged.

In the embodiment described above, the second sensor section 52 configured as an optical sensor similar to the first sensor section 51 is. However, the present invention is not necessarily limited thereto, and the second sensor portion may be configured as a capacitance sensor and may measure a capacitance between a pair of electrodes to determine the state of the yarn passing between the electrodes 21 capture. The first sensor portion may be configured as the capacitance sensor, and the second sensor portion may be configured as the optical sensor. Both the first sensor section and the second sensor section may be configured as capacitance sensors.

In the embodiment described above, the yarn monitoring device monitors 6 the intensity of light shielded by the yarn to detect the thickness of the yarn, however, the present invention is not limited thereto, and the yarn monitoring device 6 For example, the intensity of the yarn 21 reflected light to monitor the presence / absence of in the yarn 21 foreign substances contained.

In the embodiment described above, the description is made using "first sensor section 51 "," First blast door 71 "And the like, but this does not intend to exclude a case in which only a detection portion or a Ausblastor is arranged. In other words, a configuration in which the second sensor section 52 is not arranged and only the first sensor section 51 is arranged for the detection section, can be taken over and a configuration in which the second bleed gate 72 is not arranged and only the first Ausblastor 71 can be taken over for the Ausblastor.

In the embodiment described above, the yarn runs 21 from the lower side to the upper side. Alternatively, the yarn 21 however, run from the upper side to the lower side. In this case, the in 4 and the like illustrated yarn monitoring device 6 be used by the same is turned over.

The yarn monitoring apparatus described in the above-described embodiment is not limited to being used in the automatic winding apparatus and may be mounted and used in other types of textile machines such as a spinning machine, for example.

In the embodiment described above, flows in the Flußwegsbauglied 90 the compressed air coming from the intermediate path 94 to the second flow path 92 flows along a path perpendicular to the intermediate path 94 is, however, flows on the downstream side of the Flusswegsbauglieds 90 the compressed air along a path in one direction with respect to the intermediate path 94 inclined to a diagonal direction. However, the present invention is not limited thereto, and on the downstream side of the Flußwegsblu 90 The compressed air can also flow along a path perpendicular to the intermediate path 94 is. An example is in 12 illustrated.

QUOTES INCLUDE IN THE DESCRIPTION

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Cited patent literature

• JP 2013-230908 [0002, 0003, 0005]

Claims (13)

A yarn monitoring device ( 6 ), characterized in that it comprises: a detection section ( 70 ) adapted to a state of a yarn ( 21 ) in a Garnlaufraum ( 68 ) through which the yarn ( 21 ) running; and an upstream Garnwegsregulierbauglied ( 64 ), which in a Garnlaufrichtung of the detection section ( 70 ) is arranged upstream and is adapted to control a yarn path having a running position of the yarn ( 21 ) in the Garnlaufraum ( 68 ), the yarn monitoring device ( 6 ) with a first exhaust gate ( 71 ) adapted to blow a fluid to a region comprising at least the upstream Garnwegsregulierbauglied ( 64 ), and the first exhaust gate ( 71 ) comprises a portion which is in the Garnlaufrichtung the upstream Garnwegsregulierbauglieds ( 64 ) is arranged downstream. The yarn monitoring device ( 6 ) according to claim 1, characterized in that the downstream side coincides in the yarn running direction with a vertically upper side. The yarn monitoring device ( 6 ) according to claim 1 or 2, characterized in that the first exhaust gate ( 71 ) is formed in the yarn running direction in an elongated shape. The yarn monitoring device ( 6 ) according to one of claims 1 to 3, characterized in that it further comprises the following feature: a downstream Garnwegsregulierbauglied ( 65 ), which in the yarn running direction of the detection section ( 70 ) is arranged downstream and is adapted to control the Garnweg, wherein a part of a blow-out of the first Ausblastor ( 71 ) is inclined with respect to the yarn path passing through the upstream Garnwegsregulierbauglied ( 64 ) and the downstream Garnwegsregulierbauglied ( 65 ) is defined to move with increasing distance from the first exhaust gate ( 71 ) to approach the downstream side in the yarn running direction. The yarn monitoring device ( 6 ) according to one of claims 1 to 4, characterized in that a part of the discharge direction of the discharge from the first ( 71 ) is formed to lie in a direction leading to the detection section (FIG. 70 ). The yarn monitoring device ( 6 ) according to claim 5, characterized in that the Garnlaufraum ( 68 ) is formed with three sides, that of a pair of side walls ( 6c . 6d ) and a back wall ( 6b ) are surrounded; and a blow-out direction of the from the first blower ( 71 ) to the capturing section ( 70 ) is blown out to lie in a direction in which a blown-out fluid from an opened side of the Garnlaufraums ( 68 ) in the Garnlaufraum ( 68 ) and against one of the pairs of side walls ( 6c . 6d ) is blown. The yarn monitoring device ( 6 ) according to claim 6, characterized in that the detection section ( 70 ) a first sensor section ( 51 ) with a light projection section ( 37 ), which is adapted to light the yarn ( 21 ) and a light receiving section ( 38 ) adapted to be detected by the light projection section (12). 37 ) and when viewed in a direction along the yarn running direction, the blow-out direction of the from the first Ausblastor ( 71 ) to the capturing section ( 70 ) is discharged to lie in a direction directed to a position having both an exit surface of the light of the light projecting portion (FIG. 37 ) as well as an incident surface of the light of the light receiving portion (FIG. 38 ) in the side walls ( 6c . 6d ) avoids. The yarn monitoring device ( 6 ) according to claim 7, characterized in that the detection section ( 70 ) further comprises a second sensor section ( 52 ) in the yarn running direction of the first sensor section ( 51 ) is arranged downstream; and an end which is in the yarn running direction of the first Ausblastors ( 71 ) is located in the yarn running direction of the second sensor section ( 52 ) is located upstream. The yarn monitoring device ( 6 ) according to one of claims 1 to 8, characterized in that it further comprises the following features: a cutting section ( 81 ) in the yarn running direction of the upstream Garnwegsregulierbauglieds ( 64 ) is arranged upstream and adapted, through the Garnlaufraum ( 68 ) to cut off running yarn; and a second exhaust gate ( 72 ) adapted to deliver a fluid to the cutting portion (US Pat. 81 ), with the second exhaust gate ( 72 ) in the yarn running direction of the upstream Garnwegsregulierbauglieds ( 64 ) is formed upstream. The yarn monitoring device ( 6 ) according to claim 9, characterized in that the yarn run space ( 68 ) is formed with three sides, that of a pair of side walls ( 6c . 6d ) and a back wall ( 6b ) are surrounded; the second exhaust gate ( 72 ) in the back wall ( 6b ) is formed; and an exhaust direction of the second exhaust gate ( 72 ) is formed to lie in a direction to an open side of the Garnlaufraums ( 68 ). The yarn monitoring device ( 6 ) according to claim 10, characterized in that it further comprises the following feature: a downstream Garnwegsregulierbauglied ( 65 ), which in the yarn running direction of the detection section ( 70 ) is arranged downstream and is adapted to control the Garnweg, wherein in a standby state in which the yarn ( 21 ) is not cut off, the cutting section ( 81 ) is disposed at a position displaced from a yarn path passing through the upstream yarn path regulating member (10). 64 ) and the downstream Garnwegsregulierbauglied ( 65 ) when viewed in a direction perpendicular to the rear wall ( 6b ), and a blow-out direction of the from the second blower ( 72 ) is formed to lie in a direction to the cutting portion ( 81 ) without passing through the yarn path. The yarn monitoring device ( 6 ) according to one of claims 9 to 11, characterized in that it further comprises: a fluid introduction gate ( 73 ) through which a fluid is introduced; and a fluid flow path ( 100 ) adapted to be removed from the fluid introduction port ( 73 ) introduced fluid to the first Ausblastor ( 71 ) and the second exhaust gate ( 72 ), the fluid flow path ( 100 ) Comprising: an introduction route ( 93 ), in which one end with the fluid introduction gate ( 73 ), a first flow path ( 91 ), in which one end with the first exhaust gate ( 71 ), a second flow path ( 92 ), in which one end with the second exhaust gate ( 72 ), and an intermediate way ( 94 ), in which the other end of the introduction route ( 93 ), the other way of the first flow path ( 91 ) and the other end of the second flow path ( 92 ) are connected at different positions and that extends in a direction that is from any one direction in which the insertion path ( 93 ), a direction in which the first flow path ( 91 ) and a direction in which the second flow path ( 92 ), is different, and in the intermediate path ( 94 ) the other end of the second flow path ( 92 ) in a fluid flow direction with respect to the other end of the delivery path (FIG. 93 ) is located downstream. The yarn monitoring device ( 6 ) according to claim 12, characterized in that an opening at which the first flow path ( 91 ) with the intermediate path ( 94 ) is greater than an opening at which the second flow path ( 92 ) with the intermediate path ( 94 ) connected is.

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