Paper tube recovery system and paper tube recovery device

Abstract

The invention relates to a paper tube recovery system and a paper tube recovery device, which can reduce the impact applied to paper tubes when the paper tubes are put into a recovery box, and reduce the possibility of deformation and damage of the paper tubes. Empty paper tubes discharged from the bobbin creel robot are recovered through a paper tube recovery device in the paper tube recovery system. The bobbin creel robot includes: a paper tube receiving table including a placement plate on which an empty paper tube is placed and a discharge port through which the empty paper tube can be discharged; and a tilting mechanism that tilts the paper tube receiving table. The paper tube recovery device is provided with a recovery box for recovering the empty paper tubes discharged from the paper tube receiving table and a guide device for guiding the empty paper tubes discharged from the paper tube receiving table to the recovery box. The guiding device is provided with a guiding part which comprises a bottom plate for rolling and guiding the empty paper tube discharged from the paper tube receiving platform to the recycling box; and a guide part driving mechanism which inclines the guide part to approach the paper tube receiving platform in a manner that the angle formed between the bottom plate and the carrying plate of the paper tube receiving platform which is inclined at the recovery position is within a range of 180 degrees + / -specified angles.

Description

Technical Field

[0001] The invention relates to a paper tube recycling system and a paper tube recycling device. Background Art

[0002] Regarding the technology of a paper tube recovery system and a paper tube recovery device for recovering paper tubes of yarn supply packages, Patent Document 1 discloses the following technology: near a paper tube recovery box, a tilting platform engaged with a roller of a roller rod is set at a specified height by a bracket, and when the yarn supply replacement device is halfway down to receive the yarn supply package, the roller rod is rotated clockwise to tilt the paper tube receiving platform carrying the paper tube forward, thereby dropping the paper tube into the recovery box from a specified height.

[0003] Patent Document 1: Japanese Patent Application Laid-Open No. 06-056349

[0004] However, in the above-mentioned prior art, when the paper tube is dropped into the storage box from a predetermined height, the paper tube collides with the collection box at a high speed, exerting a large impact on the paper tube dropped into the collection box, and the paper tube may be deformed or damaged. Since the paper tube dropped into the collection box is sometimes reused, there is still room for improvement in the recycling of paper tubes. Summary of the invention

[0005] The present invention is completed in view of the above problems, and its purpose is to provide a paper tube recycling system and a paper tube recycling device, which can reduce the impact applied to the paper tube when it is put into the recycling box and reduce the possibility of deformation and damage of the paper tube.

[0006] (1) The paper tube recycling system of the present invention comprises:

[0007] A creel robot supplies yarn supply packages with yarn wound on paper tubes and collects empty paper tubes after the yarn is unwound; and

[0008] A paper tube recovery device is used to recover the empty paper tubes discharged from the creel robot.

[0009] The creel robot has:

[0010] A paper tube receiving platform, which can store the empty paper tubes, comprises a loading plate for loading the empty paper tubes and a discharge port for discharging the empty paper tubes; and

[0011] The tilting mechanism tilts the paper tube receiving platform at a recovery position where the empty paper tube discharged from the paper tube receiving platform can be recovered by the paper tube recovery device, so as to discharge the empty paper tube from a predetermined height position.

[0012] The above-mentioned paper tube recycling device has:

[0013] A recycling box for recycling the empty paper tubes discharged from the paper tube receiving platform; and

[0014] The guiding device guides the empty paper tube discharged from the paper tube receiving platform to the collection box.

[0015] The guiding device has:

[0016] A guide unit including a guide plate for rolling the empty paper tube discharged from the paper tube receiving platform and guiding it to the collection box; and

[0017] The guide driving mechanism tilts the guide portion and approaches the paper tube receiving platform in such a manner that the angle formed by the guide plate and the mounting plate of the paper tube receiving platform tilted at the recovery position is within the range of 180 degrees ± a specified angle.

[0018] According to the paper tube recycling system described in (1) above, when the empty paper tube discharged from the paper tube receiving platform is guided by the guide plate and recycled into the recycling box, it is decelerated by the friction with the guide plate. Therefore, the moving speed of the empty paper tube when rolling on the guide plate is less than the falling speed when the empty paper tube is directly discharged from the top of the recycling box. As a result, the impact applied to the empty paper tube when it is recycled into the recycling box becomes smaller, thereby reducing the possibility of deformation or damage of the empty paper tube.

[0019] Here, the angle formed by the guide plate and the loading plate of the paper tube receiving platform tilted at the recovery position is the specified angle in the "range of 180 degrees ± the specified angle", preferably in the range of 20 degrees to 60 degrees. That is, the angle formed by the guide plate and the loading plate is preferably in the range between the lower limit angle obtained by subtracting the specified angle from 180 degrees and the upper limit angle obtained by adding the specified angle to 180 degrees. Therefore, the specified angle is 0 degrees, that is, the angle formed by the guide plate and the loading plate is "180 ± 0 degrees". Furthermore, the specified angle is preferably in the range of 20 degrees to 60 degrees. Specifically, the lower limit angle formed by the guide plate and the paper tube receiving platform is preferably 120 degrees, and more preferably 160 degrees. On the other hand, the upper limit angle formed by the guide plate and the paper tube receiving platform is preferably 240 degrees, and more preferably 200 degrees.

[0020] Specifically, when the angle between the guide plate and the mounting plate is 180 degrees, the mounting plate and the guide plate are arranged in a straight line at the same inclination angle relative to the vertical direction. That is, the guide plate and the mounting plate in this case have the same inclination.

[0021] Furthermore, when the predetermined angle is less than 180 degrees, that is, when the predetermined angle is "180 degrees minus the predetermined angle", the inclination angle of the guide plate becomes smaller than the inclination angle of the mounting plate. This means that the inclination of the guide plate becomes smaller than the inclination of the mounting plate. Therefore, when the angle between the guide plate and the mounting plate is 120 degrees, the inclination of the guide plate becomes the smallest, and when the angle is 160 degrees, the inclination of the guide plate becomes slightly smaller.

[0022] On the other hand, when the specified angle is greater than 180 degrees, that is, in the case of "180 degrees + specified angle", the inclination angle of the guide plate becomes greater than the inclination angle of the loading plate of the paper tube receiving platform. This means that the inclination of the guide plate becomes greater than the inclination of the loading plate. Therefore, it means that when the angle between the guide plate and the loading plate is 240 degrees, the inclination of the guide plate becomes the largest, and when it is 200 degrees, the inclination of the guide plate becomes slightly larger.

[0023] In addition, the angle formed by the guide plate and the loading plate is a specified angle in the range of "180 degrees ± a specified angle", and the inclination angle (slope) of the loading plate needs to be in the range from the angle in the vertical direction to the angle in the horizontal direction. The reason is that when the inclination angle (slope) of the loading plate is an angle in the vertical direction, the empty paper tube cannot be decelerated by the friction force of the loading plate. In addition, the reason is that when the inclination angle (slope) of the loading plate is an angle in the horizontal direction, the possibility of stopping the empty paper tube on the loading plate increases.

[0024] (2) In the paper tube recycling system of the present invention, preferably,

[0025] The above-mentioned tilting mechanism has:

[0026] A receiving platform support mechanism supports the paper tube receiving platform so as to be tiltable; and

[0027] The first engaging member is arranged on the receiving platform support mechanism to tilt the paper tube receiving platform.

[0028] The guide driving mechanism has:

[0029] a guide portion support mechanism that supports the guide portion via a link mechanism so as to be tiltable; and

[0030] The second engagement member is provided at a front end portion of the follower of the link mechanism, and is slidably engaged with the first engagement member by rotation of the front end portion of the follower when the guide portion is tilted.

[0031] According to the paper tube recycling system described in (2), when the guide portion is tilted, the second engaging member slides and engages with the first engaging member of the tilting mechanism, thereby tilting the paper tube receiving platform supported by the receiving platform support mechanism. As a result, the empty paper tube held by the paper tube receiving platform moves from the paper tube receiving platform to the guide portion, slides on the guide plate of the guide portion, and is dropped into the recycling box. As a result, the paper tube receiving platform and the recycling box of the creel robot can be used with the existing structure.

[0032] (3) In the paper tube recycling system of the present invention, preferably,

[0033] The above recycling bins have:

[0034] A frame body capable of storing a plurality of the above-mentioned empty paper tubes, and having an opening formed on the upper surface thereof for collecting the above-mentioned empty paper tubes;

[0035] A bottom member is loosely fitted in the frame and carries the empty paper tube recovered from the opening; and

[0036] The bottom member lifting mechanism supports the bottom member so as to be able to be lifted and lowered. When the empty paper tube is not placed on the bottom member, the bottom member is lifted to an initial height position, and the bottom member is lowered according to the weight of the empty paper tube placed on the bottom member.

[0037] According to the paper tube recycling system described in (3), compared with the case where the bottom surface of the recycling box receives and places the thrown empty paper tube, the bottom member located above the bottom surface receives the empty paper tube, so that the empty paper tube can be received before the falling speed of the empty paper tube increases. Thus, the deformation of the empty paper tube can be prevented, and the bottom member can be lowered according to the weight of the placed empty paper tube, so the maximum storage capacity commensurate with the volume of the frame will not be greatly reduced.

[0038] (4) In the paper tube recycling system of the present invention, preferably,

[0039] The paper tube recovery system includes a creel, which is arranged along a travel path of the creel robot, and the creel robot supplies the yarn supply package and collects the empty paper tubes.

[0040] According to the paper tube collection system described in (4) above, even when a large number of empty paper tubes are collected from the creel, deformation of the empty paper tubes can be sufficiently prevented.

[0041] (5) The paper tube recovery device of the present invention is:

[0042] The empty paper tubes discharged from a specified height position are recovered by a creel robot, and the creel robot comprises: a paper tube receiving platform, which can store the empty paper tubes after the yarn is unwound, including a loading plate for loading the empty paper tubes and a discharge port for discharging the empty paper tubes; and a tilting mechanism, which tilts the paper tube receiving platform at a recovery position for recovering the empty paper tubes so as to discharge the empty paper tubes from the specified height position. The paper tube recovery device comprises:

[0043] A recycling box for recycling the empty paper tubes discharged from the paper tube receiving platform; and

[0044] The guiding device guides the empty paper tube discharged from the paper tube receiving platform to the collection box.

[0045] The guiding device has:

[0046] A guide unit including a guide plate for rolling the empty paper tube discharged from the paper tube receiving platform and guiding it to the collection box; and

[0047] The guide driving mechanism tilts the guide portion and approaches the paper tube receiving platform in such a manner that the angle formed by the guide plate and the mounting plate of the paper tube receiving platform tilted at the recovery position is within the range of 180 degrees ± a specified angle.

[0048] According to the paper tube recovery device of (5) above, when the empty paper tube is guided by the guide plate and recovered in the recovery box, it is decelerated by the friction with the guide plate. Therefore, the moving speed of the empty paper tube is smaller than that of the case where it is directly discharged from the top of the recovery box. As a result, the impact applied to the empty paper tube when it is recovered in the recovery box is reduced, so the possibility of deformation and damage of the empty paper tube can be reduced.

[0049] (6) In the paper tube recycling device of the present invention, it is preferred that:

[0050] The above-mentioned tilting mechanism has:

[0051] A receiving platform support mechanism supports the paper tube receiving platform so as to be tiltable; and

[0052] The first engaging member is arranged on the receiving platform support mechanism to tilt the paper tube receiving platform.

[0053] The guide driving mechanism has:

[0054] a guide portion support mechanism that supports the guide portion so as to be tiltable; and

[0055] The second engagement member is provided on the guide portion support mechanism, and is slidably engaged with the first engagement member by the inclination of the guide portion.

[0056] According to the paper tube recycling device described in (6), when the guide portion is tilted, the second engaging member slides and engages with the first engaging member of the tilting mechanism, thereby tilting the paper tube receiving platform supported by the receiving platform support mechanism. As a result, the empty paper tube held by the paper tube receiving platform moves from the paper tube receiving platform to the guide portion, slides on the guide plate of the guide portion, and is dropped into the recycling box. As a result, the paper tube receiving platform and the recycling box of the creel robot can be used with the existing structure.

[0057] (7) In the paper tube recycling device of the present invention, it is preferred that:

[0058] The above recycling bins have:

[0059] A frame body capable of storing a plurality of the above-mentioned empty paper tubes, and having an opening formed on the upper surface thereof for collecting the above-mentioned empty paper tubes;

[0060] A bottom member is loosely fitted in the frame and carries the empty paper tube collected from the opening; and

[0061] The bottom member lifting mechanism supports the bottom member so as to be able to be lifted and lowered. When the empty paper tube is not placed on the bottom member, the bottom member is lifted to an initial height position, and the bottom member is lowered according to the weight of the empty paper tube placed on the bottom member.

[0062] According to the paper tube recovery device described in (7), compared with the case where the empty paper tube is received and placed on the bottom surface of the recovery box, the empty paper tube is received by the bottom member located above the bottom surface, so that the empty paper tube can be received before the moving speed of the empty paper tube increases. Thus, the deformation of the empty paper tube can be prevented, and the bottom member can be lowered according to the weight of the placed empty paper tube, so the maximum storage capacity commensurate with the volume of the frame will not be greatly reduced.

[0063] The paper tube recovery system of the present invention can be constructed only by the structure recorded in the paper tube recovery system recorded in (1) above, and the structure recorded in (1) above can be arbitrarily combined with the structure recorded in any one of (2) to (4) above within the scope of integration. When the structure recorded in (1) above is combined with the structure recorded in any one of (2) to (4) above, all or part of the structure recorded in (1) above can be combined with all or part of the structure recorded in (2) to (4) above within the scope of integration. In addition, the paper tube recovery device of the present invention can be constructed only by the structure recorded in the paper tube recovery device recorded in (5) above, and the structure recorded in (5) above can be arbitrarily combined with the structure recorded in any one of (6) and (7) above within the scope of integration. When the structure described in (5) is combined with the structure described in any one of (6) and (7), all or part of the structure described in (5) can also be combined with all or part of the structure described in (6) and (7) within the scope that can be integrated.

[0064] Effects of the Invention

[0065] According to the present invention, a paper tube recycling system and a paper tube recycling device can be provided, which can reduce the impact applied to the paper tube when it is put into a recycling box and reduce the possibility of deformation or damage of the paper tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0066] Figure 1 This is an example of a plan view schematically showing the overall configuration of a false twisting system.

[0067] Figure 2 This is an example of a three-dimensional diagram schematically showing a paper tube recycling system.

[0068] Figure 3 It is a diagram for explaining the discharge mechanism of the creel robot.

[0069] Figure 4 These are figures used to illustrate how the tilting mechanism tilts the paper tube receiving platform, wherein (A) shows the paper tube receiving platform in a taking-in posture, and (B) shows the paper tube receiving platform in a discharging posture.

[0070] Figure 5 3 and 4. The diagrams show the structure of the guiding device, wherein (A) is a standby posture and (B) is a recovery posture.

[0071] Figure 6 It is a figure which shows the structure of a guide part.

[0072] Figure 7It is a diagram for explaining the sliding engagement between the engagement member of the guide portion driving mechanism and the engagement member of the creel robot.

[0073] Figure 8 This is a diagram for explaining the structure of a collection box.

[0074] Explanation of symbols

[0075] 1A: paper tube recycling system; 21: paper tube recycling device; 22: guide device; 23: recycling box; 30, 30A: creel; 50: creel robot; 51: main body; 52: discharge mechanism; 53: paper tube receiving platform; 53A: discharge outlet; 54: tilting mechanism; 55: rotating shaft; 221: bracket; 222: guide; 222A: first slide; 222A1: bottom plate; 222A2: Side panel; 222A3: discharge port; 222B: second slide groove; 222B1: bottom plate; 223: guide part driving mechanism; 223A: tilting part; 223B: guide part supporting mechanism; 223C: second engaging part; 231: frame; 232: bottom part; 233: supporting part; 531: loading plate; 532: side panel; 541: receiving platform supporting mechanism; 542: first engaging part. DETAILED DESCRIPTION

[0076] Hereinafter, a mode for carrying out the present invention will be described with reference to the drawings.

[0077] (Overview of false twist processing system 1)

[0078] Figure 1 It is an example of a top view schematically showing the overall configuration of the false twist processing system 1. In the false twist processing system 1, the creel robot 50 moving on the track 20 extending in a straight line supplies the creel 30 and the creel 30A with a yarn supply package formed by winding the yarn on a cylindrical paper tube. In addition, the creel robot 50 collects the empty paper tubes (hereinafter referred to as empty paper tubes) around which the yarn is not wound from the creel 30, 30A. "Yarn" exemplifies synthetic fibers such as polyester. "Yarn supply package" is a winding package for supplying yarn (synthetic fiber) used in the manufacturing process of the false twist processing machine, etc. The yarn supply package is formed by a cylindrical paper tube in the center and the yarn wound on the paper tube, and is maintained by inserting the bobbin of the creel 30, 30A into the inner side of the paper tube. Track 20 is equivalent to the "travel path" of the present invention.

[0079] The creels 30 and 30A are arranged on both sides of the track 20 and extend along the track 20. A raw yarn storage unit 26 is provided at a position adjacent to the creel 30A in the length direction. The raw yarn storage unit 26 temporarily stores the supply yarn packages from the conveying device of the entire factory. The stored supply yarn packages are taken out by the creel robot 50 and transported to the creels 30 and 30A.

[0080] The machine body 10 is arranged at a position adjacent to the creel 30 and opposite to the track 20. Although not shown in the figure, the same machine body is also arranged at a position adjacent to the creel 30A. The machine body 10 mainly comprises, for example, a false twisting machine 12 and a winding machine 14. The yarn unwound from the yarn supply package is supplied to the false twisting machine 12 from the creel 30. The yarn unwound from the yarn supply package is false twisted by the false twisting machine 12. The yarn after the false twisting is wound by the winding machine 14.

[0081] After all the yarns are unwound from the yarn supply package, the empty paper tubes are collected from the creel 30 by the creel robot 50. The collected empty paper tubes are transported by the creel robot 50 to the paper tube recovery device 21 disposed adjacent to the creel 30 in the length direction, and discharged to the paper tube recovery device 21. In the paper tube recovery device 21, the empty paper tubes are recovered to the recovery box 23 via the guide device 22. The paper tube recovery device 21 and the creel robot 50 constitute a paper tube recovery system 1A.

[0082] Figure 2 1A is an example of a perspective view schematically showing a paper tube collection system 1A. Figure 2 In FIG. 1 , in addition to the paper tube collecting device 21 and the creel robot 50 constituting the paper tube collecting system 1A, the creel 30 is also shown.

[0083] The creel 30 is configured by providing a plurality of pillars 31 extending in the vertical direction and arranged in two rows along the rail 20, and supporting a plurality of partition plates 32 at predetermined intervals by these pillars 31. A bobbin (not shown) supporting a paper tube is provided on a pillar 31 close to the rail 20 among the plurality of pillars 31.

[0084] The creel robot 50 has a main body 51 and a discharge mechanism 52. In addition, although not shown in the figure, the creel robot 50 has a mechanism that can be raised and lowered relative to the main body 51 and take out the empty paper tube from the bobbin of the creel 30. The creel robot 50 transfers the empty paper tube taken out from the creel 30 by the mechanism to the paper tube recovery device 21. When the creel robot 50 transfers the empty paper tube to the paper tube recovery device 21, the empty paper tube is discharged to the paper tube recovery device 21 by the discharge mechanism 52.

[0085] Figure 31 is a diagram for explaining the discharge mechanism 52 of the creel robot 50 . The discharge mechanism 52 includes a paper tube receiving platform 53 and a tilting mechanism 54 , and is provided in the main body 51 of the creel robot 50 .

[0086] The paper tube receiving platform 53 is configured such that side panels 532 are provided on three sides of a rectangular placing plate 531 in a manner substantially perpendicular to the placing plate 531, and the upper portion is open. The side portion of one side of the placing plate 531 where the side panels 532 are not provided is open, and the open side portion is referred to as a discharge port 53A.

[0087] The tilting mechanism 54 is provided on the main body 51. The tilting mechanism 54 supports the paper tube receiving platform 53 so as to be tiltable, so as to rotate between a posture in which the loading plate 531 is along a substantially horizontal direction (hereinafter referred to as an intake posture) and a posture in which the loading plate 531 is tilted relative to the horizontal direction (hereinafter referred to as an ejection posture). The ejection port 53A of the paper tube receiving platform 53 supported in this way is oriented in a substantially horizontal direction in the intake posture so as to prevent the empty paper tube stored in the paper tube receiving platform 53 from being ejected from the ejection port 53A, and is oriented obliquely downward in the ejection posture so as to eject the empty paper tube stored in the paper tube receiving platform 53 from the ejection port 53A.

[0088] The tilt mechanism 54 includes a receiving platform support mechanism 541 and a first engaging member 542. The receiving platform support mechanism 541 supports the paper tube receiving platform 53 from below. In addition, the receiving platform support mechanism 541 can rotate relative to the main body 51 together with the paper tube receiving platform 53 around a rotating shaft 55 provided below the discharge port 53A. With this configuration, the paper tube receiving platform 53 can rotate between an intake posture and a discharge posture.

[0089] In addition, the receiving platform support mechanism 541 has an arm 541A extending in a direction away from the discharge port 53A. The first engaging member 542 is provided at the front end of the arm 541A. The first engaging member 542 is a cylindrical shape extending in the horizontal direction and orthogonal to the length direction of the arm 541A. Figure 5 The 2nd engaging member 223C shown in the figure) presses the 1st engaging member 542 downward, thereby the receiving platform support mechanism 541 rotates around the rotating shaft 55 so that the discharge port 53A faces downward. Then, the paper tube receiving platform 53 supported by the receiving platform support mechanism 541 also rotates.

[0090] Figure 4 These are diagrams for explaining how the tilting mechanism 54 tilts the paper tube receiving platform 53. (A) shows the paper tube receiving platform 53 in a taking-in posture, and (B) shows the paper tube receiving platform 53 in a discharging posture.

[0091] The creel robot 50 is configured to store the empty paper tubes taken out from the creel 30 in the paper tube receiving platform 53 from the open upper part when the paper tube receiving platform 53 is in the taking-in posture, and move the empty paper tubes to the paper tube recovery device 21 in the taking-in posture. Although the details will be described later, the paper tube recovery device 21 has a rotating second engaging component 223C. When the creel robot 50 is located in the recovery position, the first engaging component 542 of the paper tube receiving platform 53 is located on the rotation trajectory of the second engaging component 223C. Then, the first engaging component 542 is rotated by the second engaging component 223C at the recovery position. Figure 4 The paper tube receiving platform 53 is pressed in the direction indicated by the blank arrow in (A). As a result, the paper tube receiving platform 53 is tilted together with the tilting mechanism 54, and the paper tube receiving platform 53 is in a discharge posture. When the paper tube receiving platform 53 is in a discharge posture, the empty paper tubes stored in the paper tube receiving platform 53 roll due to gravity and are discharged from the discharge port 53A to the paper tube recovery device 21.

[0092] In addition, when the pressing force on the first engaging member 542 disappears, the paper tube receiving platform 53 returns to the intake posture from the discharge posture. The rotating shaft 55 is provided on the discharge outlet 53A side of the paper tube receiving platform 53. Furthermore, when the first engaging member 542 is pressed, the tilting mechanism 54 that maintains the intake posture tilts so that the discharge outlet 53A faces downward. Furthermore, when the pressing force disappears, the tilting mechanism 54 returns to the intake posture by the weight of itself and the paper tube receiving platform 53.

[0093] (Description of paper tube recovery device 21)

[0094] The paper tube recovery device 21 includes a guide device 22 and a recovery box 23 (see Figure 1 as well as Figure 2 ). Figure 5 1 is a diagram showing the structure of the guide device 22, (A) is a standby posture, and (B) is a collection posture. The standby posture is the posture when the paper tube collection device 21 does not collect the empty paper tube. The collection posture is the posture when the paper tube collection device 21 collects the empty paper tube.

[0095] The guide device 22 is for rolling the empty paper tubes discharged from the paper tube receiving platform 53 at a predetermined height at the empty paper tube collection position of the paper tube collection device 21 and guiding them to the collection box 23. The guide device 22 has a bracket 221, a guide part 222 and a guide part driving mechanism 223.

[0096] The bracket 221 extends in the vertical direction and supports each part of the guide device 22. The guide part 222 provided at the upper end of the bracket 221 has a height that allows connection with the discharge mechanism 52 of the creel robot 50.

[0097] The guide portion 222 is provided at the upper end of the bracket 221. The guide portion 222 rolls the empty paper tube discharged from the paper tube receiving platform 53 and guides it to the collection box 23. The paper tube receiving platform 53 is located at a predetermined height, so the empty paper tube discharged from the paper tube receiving platform 53 falls from the predetermined height. The guide portion 222 rolls the empty paper tube, thereby suppressing the falling speed compared to the case of free fall. As a result, the impact on the empty paper tube when it is collected in the collection box 23 becomes smaller, and the possibility of deformation or damage of the empty paper tube can be reduced.

[0098] Figure 6 2 is a diagram showing the structure of the guide portion 222. The guide portion 222 has a first slide groove 222A and a second slide groove 222B.

[0099] The first chute 222A is configured such that side panels 222A2 are provided on three sides of a rectangular bottom plate 222A1 in a manner substantially perpendicular to the bottom plate 222A1, and the top is open. The side surface portion of one side of the bottom plate 222A1 where the side panel 222A2 is not provided is open, and the open portion is referred to as the discharge port 222A3. The first chute 222A is supported in a posture in which the discharge port 222A3 faces obliquely downward and is inclined relative to the horizontal direction, so that the empty paper tube received from the second chute 222B does not stop. The guide device 22 is configured such that the discharge port 222A3 of the first chute 222A is located substantially directly above the recovery box 23.

[0100] The second chute 222B is configured such that the side panels 222B2 are respectively provided on the long sides of the rectangular bottom plate 222B1 in a manner substantially perpendicular to the bottom plate 222B1, and the upper part is open. The second chute 222B is supported so that the side portion (hereinafter referred to as the intake port) of one side that is open is inclined in a manner that it is located above the side portion (hereinafter referred to as the discharge port) of the other side, and the discharge port is located directly above the first chute 222A. The empty paper tube discharged from the paper tube receiving platform 53 is taken into the second chute 222B from the intake port of the second chute 222B, rolls on the bottom plate 222B1, and is discharged from the discharge port of the second chute 222B to the first chute 222A. The inclination angle of the second chute 222B is changed between the standby posture and the recovery posture by the guide driving mechanism 223 described later. The bottom plate 222B1 is equivalent to the "guide plate" of the present invention.

[0101] return Figure 5 The guide driving mechanism 223 supports the guide 222 so that it can be tilted. The guide driving mechanism 223 has a tilting member 223A extending in the vertical direction in the standby posture. The lower end of the tilting member 223A is provided on the bracket 221, and can be tilted with the lower end as a fulcrum. In the recovery posture, the length direction of the tilting member 223A is tilted relative to the vertical direction.

[0102] The tilting member 223A supports the second chute 222B of the guide portion 222 via the guide portion support mechanism 223B at the upper end side. The guide portion support mechanism 223B has a link mechanism, and the second chute 222B can be tilted as the tilting member 223A tilts. In addition, the guide portion support mechanism 223B supports the second chute 222B in the recovery posture so that the inclination angle of the length direction of the second chute 222B relative to the vertical direction is larger than that in the standby posture. The tilting member 223A is equivalent to the "follower" of the present invention.

[0103] A second engaging member 223C is provided at the upper end of the inclined member 223A. When the guide device 22 is transferred from the standby posture to the recovery posture, the second engaging member 223C is relative to the first engaging member 542 (see FIG. 24 ) of the creel robot 50. Figure 4 ) slides while pressing the first engaging member 542 (hereinafter referred to as sliding engagement).

[0104] Figure 7 It is a diagram for explaining the sliding engagement between the second engagement member 223C of the guide portion driving mechanism 223 and the first engagement member 542 of the creel robot 50 .

[0105] The paper tube receiving platform 53 of the creel robot 50 moved to the recovery position is in a taking-in posture, and the guide device 22 of the paper tube recovery device 21 is in a standby posture. In this state, the guide device 22 drives the guide drive mechanism 223 to transfer to the recovery posture. The first engaging part 542 of the paper tube receiving platform 53 is located on the trajectory of the second engaging part 223C of the guide drive mechanism 223 and is pressed by the rotating second engaging part 223C. As a result, the paper tube receiving platform 53 is tilted. As a result, the loading plate 531 of the paper tube receiving platform 53 and the bottom plate 222B1 of the second chute 222B are arranged in a roughly straight line. At this time, the angle between the loading plate 531 and the bottom plate 222B1 is in the range of "180 degrees ± a specified angle".

[0106] Thus, the empty paper tube stored in the paper tube receiving platform 53 rolls from the paper tube receiving platform 53 through the second chute 222B to the first chute 222A, and then to the recovery box 23 (refer to Figure 2 In this way, the empty paper tube discharged from the paper tube receiving platform 53 is collected in the collection box 23 through the guide part 222, thereby suppressing the rolling speed of the empty paper tube compared to when it is directly discharged from the paper tube receiving platform 53 without passing through the guide part 222, and reducing the impact when it is collected in the collection box 23. Furthermore, by changing the rolling direction of the empty paper tube through the first chute 222A, the rolling speed of the empty paper tube can be further suppressed, and the impact when it is collected in the collection box 23 can be further reduced.

[0107] Here, the angle formed by the placing plate 531 and the bottom plate 222B1 is the specified angle in the "range of 180 degrees ± the specified angle", and is preferably in the range of 20 degrees to 60 degrees. That is, the angle formed by the placing plate 531 and the bottom plate 222B1 is preferably in the range between the lower limit angle obtained by subtracting the specified angle from 180 degrees and the upper limit angle obtained by adding the specified angle to 180 degrees. Therefore, it includes the case where the specified angle is 0 degrees, that is, the angle formed by the guide plate and the paper tube receiving platform is "180 ± 0 degrees". Furthermore, the specified angle is preferably in the range of 20 degrees to 60 degrees. Specifically, the lower limit angle formed by the guide plate and the paper tube receiving platform is preferably 120 degrees, and more preferably 160 degrees. On the other hand, the upper limit angle formed by the guide plate and the paper tube receiving platform is preferably 240 degrees, and more preferably 200 degrees.

[0108] In addition, when the specified angle is less than 180 degrees, that is, in the case of "180 degrees minus the specified angle", the inclination angle of the bottom plate 222B1 of the second chute 222B is smaller than the inclination angle of the loading plate 531 of the paper tube receiving platform 53. This means that the inclination of the bottom plate 222B1 is smaller than the inclination of the loading plate 531. Therefore, it means that when the angle between the loading plate 531 and the bottom plate 222B1 is 120 degrees, the inclination of the bottom plate 222B1 becomes the smallest, and when it is 160 degrees, the inclination of the bottom plate 222B1 becomes slightly smaller.

[0109] On the other hand, when the prescribed angle is greater than 180 degrees, that is, in the case of "180 degrees + prescribed angle", the inclination angle of the bottom plate 222B1 of the second chute 222B is greater than the inclination angle of the loading plate 531 of the paper tube receiving platform 53. This means that the inclination of the bottom plate 222B1 is greater than the inclination of the loading plate 531. Therefore, it means that when the angle between the loading plate 531 and the bottom plate 222B1 is 240 degrees, the inclination of the bottom plate 222B1 becomes the largest, and when it is 200 degrees, the inclination of the bottom plate 222B1 becomes slightly larger.

[0110] (Instructions for recycling bin 23)

[0111] Figure 8 This is a diagram for explaining the structure of the collection box 23.

[0112] The collection box 23 is a box for collecting the empty paper tubes discharged from the guide device 22. The collection box 23 includes a frame 231 and a bottom member 232. The frame 231 is composed of, for example, a tube assembled into a rectangular parallelepiped shape extending in the vertical direction. In addition, at least four sides of the frame 231 are composed of a net assembled into a mesh shape with ropes, rubber or steel, and have an opening 23A with an open upper surface. The first chute 222A of the guide device 22 is arranged directly above the opening 23A. The bottom member 232 is supported in the frame 231 so as to be movable in the vertical direction along a track not shown in the figure arranged in the vertical direction. Like the frame 231, the bottom member 232 is also composed of a tube assembled into a flat plate shape, and the flat portion is composed of a net. By making the side of the frame 231 and the plane of the bottom member 232 composed of a net, the impact when the empty paper tube is discharged into the collection box 23 is mitigated compared with the case where it is composed of a rigid plate member.

[0113] The bottom member 232 is supported by a rope-shaped support member 233 having elastic force such as rubber in a suspended manner from the upper part of the frame 231. The support member 233, by its own elastic force, raises the bottom member 232 to an initial height position when no empty paper tube is placed on the bottom member 232, and lowers the bottom member 232 according to the weight of the empty paper tube placed on the bottom member 232. The support member 233 is equivalent to the "bottom member lifting mechanism" of the present invention.

[0114] By making the bottom member 232 capable of being raised and lowered according to the weight, compared with the case where the empty paper tube is received and placed on the bottom surface of the collection box 23, the bottom member 232 located above the bottom surface receives the empty paper tube, so that the empty paper tube can be received before the moving speed of the empty paper tube increases. Thus, the deformation of the empty paper tube can be prevented, and the bottom member 232 is lowered according to the weight of the placed empty paper tube, so the maximum storage capacity commensurate with the volume of the collection box 23 will not be greatly reduced.

[0115] (Explanation of the effect)

[0116] As described above, when the empty paper tube discharged from the paper tube receiving platform 53 is guided by the first chute 222A and the second chute 222B of the guide device 22 and recovered in the recovery box 23, it is decelerated due to the friction between the first chute 222A and the second chute 222B. Therefore, the moving speed of the empty paper tube when rolling on the first chute 222A and the second chute 222B is lower than the falling speed when the empty paper tube is directly discharged from the top of the recovery box 23. As a result, the impact applied to the empty paper tube when it is recovered in the recovery box 23 becomes smaller, so the possibility of deformation or damage of the empty paper tube can be reduced.

[0117] Furthermore, when the second chute 222B is tilted, the second engaging member 223C of the tilting member 223A slides and engages with the first engaging member 542, thereby tilting the paper tube receiving platform 53 supported by the receiving platform support mechanism 541. As a result, the empty paper tube stored in the paper tube receiving platform 53 moves from the paper tube receiving platform 53 to the first chute 222A and the second chute 222B, and slides down from the first chute 222A and the second chute 222B and is put into the collection box 23. As a result, the paper tube receiving platform 53 and the collection box 23 of the creel robot 50 can be used with the existing structure.

[0118] In addition, the structure is such that the paper tube receiving platform 53 is tilted by the guide device 22 being transferred to the recovery posture, and the loading plate 531 and the bottom plate 222B1 are arranged in a substantially straight line. That is, it is not that the creel robot 50 approaches the guide device 22 for connection, but the guide device 22 approaches the creel robot 50 for connection, so that the loading plate 531 and the bottom plate 222B1 are arranged in a substantially straight line. Therefore, by only newly setting the guide device 22 while directly using the previous creel robot 50, the possibility of deformation or damage of the empty paper tube can be reduced.

[0119] Furthermore, compared with the case where the empty paper tube is received and placed on the bottom surface of the collection box 23, the empty paper tube is received by the bottom member 232 located above the bottom surface, so that the empty paper tube can be received before the falling speed of the empty paper tube increases. Thus, the deformation of the empty paper tube can be prevented, and the bottom member 232 can be lowered according to the weight of the placed empty paper tube, so the maximum storage capacity commensurate with the volume of the collection box 23 is not greatly reduced.

[0120] (Variation Example)

[0121] The above is a description of the embodiments of the present invention, but the present invention is not limited to the above embodiments, and various changes can be made as long as they are recorded within the scope of the patent claim. For example, in the above embodiment, the guide portion 222 of the guide device 22 has the first chute 222A, but it is also possible not to have the first chute 222A. Even in this case, the empty paper tube discharged from the paper tube receiving platform 53 also rolls in the second chute 222B, so the falling speed can be suppressed compared to free fall.

[0122] Furthermore, in the above-mentioned embodiment, the paper tube recovery device 21 tilts the paper tube receiving platform 53, but is not limited to this. For example, the creel robot 50 may also have a mechanism that tilts the paper tube receiving platform 53 independently of the paper tube recovery device 21. For example, the paper tube receiving platform 53 of the creel robot 50 and the second slide groove 222B of the guide device 22 may also approach each other after being tilted respectively. Furthermore, the paper tube receiving platform 53 may also be a structure that is tilted manually. Furthermore, the mechanism that restores the paper tube receiving platform 53 from the discharge posture to the intake posture may be a mechanism that restores it to the intake posture using elastic components such as springs.

[0123] In addition, the discharge mechanism 52 of the creel robot 50 may also be configured to be able to rise and fall relative to the main body 51. The guide device 22 may also be configured to be able to rise and fall. In this case, even after the guide device 22 is set, the alignment between the paper tube receiving platform 53 and the guide portion 222 can be adjusted. In addition, the guide device 22 or the recovery box 23 may be configured to be able to move from their respective setting positions by casters, etc., or may be configured to be immovable.

[0124] In addition, in the above-mentioned embodiment, the posture of the placing plate 531 along the substantially horizontal direction is set as the "taking-in posture", but it is not limited to this. For example, it can also be inclined in a manner that the discharge port 53A faces upward. That is, the taking-in posture can be a posture in which the empty paper tube stored in the paper tube receiving platform 53 does not fall.

[0125] In addition, when collecting the empty paper tube, the loading plate 531 of the paper tube receiving platform 53 and the bottom plate 222B1 of the second chute 222B are arranged in a substantially straight line, but at this time, the loading plate 531 and the bottom plate 222B1 are preferably in close contact without a gap. However, this is not limited to this, for example, as long as the empty paper tube can roll to the first chute 222A without stopping, there may be a gap between the loading plate 531 and the bottom plate 222B1.

[0126] In the above embodiment, the paper tube collection system 1A is formed by the paper tube collection device 21 and the creel robot 50, but the present invention is not limited thereto. For example, the paper tube collection system may be formed by the paper tube collection device 21, the creel robot 50, and the creels 30, 30A.

[0127] In addition, in the above-mentioned embodiment, the creels 30 and 30A are arranged on both sides of the track 20, and the creel robot 50 moving on the track 20 supplies the yarn supply package to the creel 30 and the creel 30A, but the present invention is not limited thereto. For example, the creel robot 50 may supply the yarn supply package to the creel (30 or 30A) arranged on either side of the track 20.

[0128] Furthermore, the recovery box 23 is formed of four sides by a net, but can also be formed by forming four sides by a rigid plate member and covering with elastic members such as sponges. In addition, the recovery box 23 can also not have a bottom member 232, and the net is supported as a bag by a frame 231 to recycle the empty paper tube.

Claims

1. A paper tube recycling system, comprising: A creel robot supplies yarn supply packages with yarn wound on paper tubes and collects empty paper tubes after the yarn is unwound; and A paper tube recovery device is used to recover the empty paper tubes discharged from the creel robot. The creel robot has: A paper tube receiving platform, which can store the empty paper tubes, comprises a loading plate for loading the empty paper tubes and a discharge port for discharging the empty paper tubes; and The tilting mechanism tilts the paper tube receiving platform at a recovery position where the empty paper tube discharged from the paper tube receiving platform can be recovered by the paper tube recovery device, so as to discharge the empty paper tube from a predetermined height position. The above-mentioned paper tube recycling device has: A recycling box for recycling the empty paper tubes discharged from the paper tube receiving platform; and The guiding device guides the empty paper tube discharged from the paper tube receiving platform to the collection box. The guiding device has: A guide unit including a guide plate for rolling the empty paper tube discharged from the paper tube receiving platform and guiding it to the collection box; and The guide driving mechanism tilts the guide portion and approaches the paper tube receiving platform in such a manner that the angle formed by the guide plate and the mounting plate of the paper tube receiving platform tilted at the recovery position is within the range of 180 degrees ± a specified angle.

2. The paper tube recycling system according to claim 1, wherein: The above-mentioned tilting mechanism has: A receiving platform support mechanism supports the paper tube receiving platform so as to be tiltable; and The first engaging member is arranged on the receiving platform support mechanism to tilt the paper tube receiving platform. The guide driving mechanism has: a guide portion support mechanism that supports the guide portion via a link mechanism so as to be tiltable; and The second engagement member is provided at a front end portion of the follower of the link mechanism, and is slidably engaged with the first engagement member by rotation of the front end portion of the follower when the guide portion is tilted.

3. The paper tube recycling system according to claim 1 or 2, wherein: The above recycling bins have: A frame body capable of storing a plurality of the above-mentioned empty paper tubes, and having an opening formed on the upper surface thereof for collecting the above-mentioned empty paper tubes; A bottom member is loosely fitted in the frame and carries the empty paper tube collected from the opening; and The bottom member lifting mechanism supports the bottom member so as to be able to be lifted and lowered. When the empty paper tube is not placed on the bottom member, the bottom member is lifted to an initial height position, and the bottom member is lowered according to the weight of the empty paper tube placed on the bottom member.

4. The paper tube recycling system according to any one of claims 1 to 3, wherein: The paper tube recovery system includes a creel, which is arranged along a travel path of the creel robot, and the creel robot supplies the yarn supply package and collects the empty paper tubes.

5. A paper tube recovery device, which recovers empty paper tubes discharged from a specified height position by a creel robot, wherein the creel robot comprises: a paper tube receiving platform, which can store the empty paper tubes after the yarn is unwound, and comprises a loading plate for loading the empty paper tubes and a discharge port for discharging the empty paper tubes; and a tilting mechanism, which tilts the paper tube receiving platform at a recovery position for recovering the empty paper tubes so as to discharge the empty paper tubes from the specified height position. The above-mentioned paper tube recycling device has: A recycling box for recycling the empty paper tubes discharged from the paper tube receiving platform; and The guiding device guides the empty paper tube discharged from the paper tube receiving platform to the collection box. The guiding device has: A guide unit including a guide plate for rolling the empty paper tube discharged from the paper tube receiving platform and guiding it to the collection box; and The guide driving mechanism tilts the guide portion and approaches the paper tube receiving platform in such a manner that the angle formed by the guide plate and the mounting plate of the paper tube receiving platform tilted at the recovery position is within the range of 180 degrees ± a specified angle.

6. The paper tube recycling device according to claim 5, wherein: The above-mentioned tilting mechanism has: A receiving platform support mechanism supports the paper tube receiving platform so as to be tiltable; and The first engaging member is arranged on the receiving platform support mechanism to tilt the paper tube receiving platform. The guide driving mechanism has: a guide portion support mechanism that supports the guide portion so as to be tiltable; and The second engagement member is provided on the guide portion support mechanism, and is slidably engaged with the first engagement member by the inclination of the guide portion.

7. The paper tube recycling device according to claim 5 or 6, wherein: The above recycling bins have: A frame body capable of storing a plurality of the above-mentioned empty paper tubes, and having an opening formed on the upper surface thereof for collecting the above-mentioned empty paper tubes; A bottom member is loosely fitted in the frame and carries the empty paper tube collected from the opening; and The bottom member lifting mechanism supports the bottom member so as to be able to be lifted and lowered. When the empty paper tube is not placed on the bottom member, the bottom member is lifted to an initial height position, and the bottom member is lowered according to the weight of the empty paper tube placed on the bottom member.

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