Creel stand

Abstract

To provide a creel stand capable of supplying a yarn package by a creel robot with high reliability.SOLUTION: There is provided a creel stand 30 where yarn packages are fed to pegs by a creel robot 50, including: a pair of stand bodies 30A and 30B arranged on both sides of a rail 20 on which the creel robot 50 moves and support the pegs; and a beam mechanism 40 that connects the pair of stand bodies 30A, 30B at a position above the creel robot 50.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a creel stand. [Background technology]

[0002] Regarding a creel stand technology where a creel robot supplies a yarn supply package, Patent Document 1 discloses a technology in which a pair of creel stands capable of holding a plurality of yarn supply packages are arranged opposite each other across a path along which a self-propelled yarn supply package changing device travels. In the technology disclosed in Patent Document 1, the yarn supply package changing device is rotated 180 degrees by a rotating device, so that an empty paper tube and a yarn supply package can be exchanged in either of the opposing creel stands. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 9-194139 Summary of the Invention [Problem to be solved by the invention]

[0004] Incidentally, when a creel robot supplies a yarn supply package to a creel stand, a reaction force acts on the creel stand when the heavy yarn supply package is moved from the creel robot to the creel stand, and the creel stand is likely to be significantly swayed or tilted. As a result, the distance between the creel stand and the creel robot becomes unstable, making it difficult for the creel robot to supply the yarn supply package, which leaves room for improvement. In particular, in recent years, the height of the creel stand has tended to become higher than before, and the swaying and tilting that can occur in the creel stand have become significant.

[0005] The present invention has been made in consideration of the above problems, and has an object to provide a creel stand that enables a creel robot to supply yarn packages with high reliability. [Means for solving the problem]

[0006] (1) The creel stand of the present invention is a creel stand in which a yarn supply package is supplied to a peg by a creel robot, A pair of stand bodies that are disposed on both sides of a moving path along which the creel robot moves and support the pegs; and a beam mechanism connecting the pair of stand bodies at a position above the creel robot.

[0007] According to the creel stand described in (1) above, the pair of stand bodies have high rigidity as a single structure by connecting the portions of the stand body above the creel robot by the beam mechanism. As a result, even if a reaction force generated when the creel robot supplies a supply package to a peg of one of the stand bodies is applied to the stand body, the high rigidity of the stand bodies and the dispersion of the reaction force to the other stand body via the beam mechanism reduce the swaying and tilt of the stand body. In addition, since the tilt of the stand body is reduced, the distance between one stand body and the other stand body, and the distance between the creel robot and the stand body are each kept constant. Therefore, it becomes possible for the creel robot to supply the supply package to the peg with high reliability.

[0008] (2) In the creel stand of the present invention, it is preferable that at least one of the pair of stand bodies has a stand engagement mechanism that engages with an extension member extending from an upper position of the creel robot toward the one stand body, along a direction parallel to the movement path of the creel robot.

[0009] According to the creel stand described in (2) above, in a highly rigid structure in which the stand bodies are connected to each other by a beam mechanism, the creel robot travels and stops along the stand body with the extension member engaged with the stand engagement mechanism. Therefore, even if the number of pegs arranged on the stand body increases and the creel stand and creel robot become taller and more prone to tilting and shaking, the distance between the stand body and the creel robot can be always maintained constant. As a result, the creel robot can supply yarn packages to the pegs with high reliability.

[0010] (3) In the creel stand of the present invention, the stand engagement mechanism is a rail having a flange extending vertically, The flange is preferably clamped by at least two rollers rotatably provided on the extension member about a vertical axis of rotation.

[0011] According to the creel stand described in (3) above, the flanges erected in the vertical direction are clamped by rollers rotatably mounted on the extension member around a vertical axis of rotation. Therefore, the distance between the creel robot and the stand body is restricted by the length of the extension member. This allows the distance between the creel robot and the stand body to be kept constant even if a reaction force that tilts the stand body or the creel robot is applied.

[0012] (4) In the creel stand of the present invention, the beam mechanism is A connecting rod-shaped member connecting the pair of stand bodies to each other, The connecting rod-shaped member preferably has a dimension adjustment mechanism capable of adjusting its length in the axial direction.

[0013] According to the creel stand described in (4) above, when the beam mechanism is attached to the stand body, the distance between the pair of stand bodies can be finely adjusted by the dimension adjustment mechanism.

[0014] (5) In the creel stand of the present invention, it is preferable that a plurality of the beam mechanisms are arranged in the longitudinal direction of the stand body.

[0015] According to the creel robot of (5) above, by arranging a plurality of beam mechanisms in the longitudinal direction of the stand body, the stand bodies are connected to each other by a plurality of beam mechanisms, and thus the structure has higher rigidity, and the shaking and tilting of the stand body is further reduced, thereby enabling the creel robot to supply yarn packages to the pegs with high reliability.

[0016] (6) In the creel stand of the present invention, it is preferable that the beam mechanism has diagonal members forming a truss structure.

[0017] According to the creel stand described in (6) above, since the beam mechanism has diagonal members forming a truss structure, the stand bodies are connected to each other by the beam mechanism, and thus the structure has higher rigidity, and the swaying and tilting of the stand body is further reduced, which enables the creel robot to supply yarn packages to the pegs with high reliability.

[0018] The creel stand according to the present invention may be configured only with the configuration described in the creel stand described in (1) above, or may be configured by any combination of the configuration described in (1) above and any of the configurations described in (2) to (6) above, within the scope of compatibility. When combining the configuration described in (1) above with any of the configurations described in (2) to (6) above, it is also possible to combine all or a part of the configuration described in (1) above with all or a part of the configurations described in (2) to (6) above, within the scope of compatibility. Effect of the Invention

[0019] According to the present invention, it is possible to provide a creel stand that enables a creel robot to supply yarn packages with high reliability. [Brief description of the drawings]

[0020] [Figure 1] 1 is a plan view showing an example of a schematic overall layout of a false twisting system; [Diagram 2] FIG. 1 is an example of a perspective view showing a false twisting system. [Diagram 3] 4A and 4B are diagrams illustrating the configuration of a peg provided on the stand body. [Figure 4] 1 is a view showing the upper portion of the stand body and the creel robot from the longitudinal direction of the stand body. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0021] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0022] (Overview of false twist processing system 1) FIG. 1 is an example of a plan view showing a schematic diagram of the overall arrangement of the false twist processing system 1. In the false twist processing system 1, a yarn supply package in which yarn is wound around a cylindrical paper tube is supplied to a creel stand 30 by a creel robot 50 moving on a linear rail 20. When the creel robot 50 supplies the paper supply package to the creel stand 30, it also collects empty paper tubes with no yarn wound around them from the creel stand 30. The "yarn" is exemplified by synthetic fibers such as polyester. The "paper supply package" is a winding-type package for supplying yarn (synthetic fiber) used in a manufacturing process such as a false twist processing machine. The paper supply package is made up of a cylindrical paper tube in the center and the yarn wound around the paper tube, and is held by inserting a peg 31B (see FIG. 3) described later into the inside of the paper tube. The rail 20 corresponds to the "movement path" of the present invention.

[0023] The creel stand 30 comprises a pair of stand bodies 30A, 30B arranged on either side of the rail 20 and connected by a beam mechanism 40. A yarn storage section 26 is provided adjacent to the stand body 30B in the longitudinal direction. The yarn supply packages supplied to the stand bodies 30A, 30B are supplied to the yarn storage section 26 from a conveying device in the entire factory and temporarily stored in the yarn storage section 26. The stored yarn supply packages are then taken out of the yarn storage section 26 by a creel robot 50 and transported to the creel stand 30.

[0024] A machine stand 10 is provided at a position adjacent to the stand body 30A on the opposite side of the rail 20. Although not shown, a machine stand is also provided adjacent to the stand body 30B. The machine stand 10 mainly includes, for example, a false twisting machine 12 and a winding machine 14. A yarn unwound from a yarn supply package is supplied to the false twisting machine 12 from the creel stand 30. The false twisting machine 12 false twists the yarn unwound from the yarn supply package. The false twisted yarn is wound by the winding machine 14.

[0025] Empty paper tubes, which have had all of the yarn unwound from the yarn supply package and have no yarn wound around them, are collected by the creel robot 50 from the creel stand 30. The collected empty paper tubes are transported by the creel robot 50 to an empty paper tube collection box 22 provided adjacent to the stand main body 30A in the longitudinal direction, for example, and collected in the empty paper tube collection box 22.

[0026] (Description of Creel Stand 30) Fig. 2 is an example of a perspective view that diagrammatically illustrates the false twisting system 1. Fig. 2 omits the illustration of the false twisting machine 12, the winding machine 14, and the empty paper tube recovery box 22 illustrated in Fig. 1. Since the stand bodies 30A and 30B have the same configuration, the following mainly describes the stand body 30A, and a detailed description of the configuration of the stand body 30B is omitted.

[0027] The stand body 30A is provided with multiple support posts 31 that extend vertically and are arranged in two rows along the rail 20, and multiple partition plates 32 are supported at predetermined intervals by these support posts 31. Of the multiple support posts 31, the support post 31 closest to the rail 20 is provided with a peg 31B (see FIG. 3) (described later) that supports a cardboard tube.

[0028] FIG. 3 is a diagram showing a schematic configuration of a peg 31B provided on the stand main body 30A.

[0029] A rotating cylinder 31A is provided on the support 31, and is capable of rotating around the support 31 with the longitudinal direction of the support 31 as the axial direction. A peg 31B and a claw 31C are provided on the rotating cylinder 31A. The peg 31B and the claw 31C rotate integrally with the rotating cylinder 31A as the rotating cylinder 31A rotates.

[0030] Although a detailed description of the configuration of the creel robot 50 will be omitted, the creel robot 50 has an engagement part 52 that can move in the vertical direction and a peg rotation mechanism 51 that rotates the engagement part 52. When the creel robot 50 supplies a paper feed package to the creel stand 30 and when the creel robot 50 collects an empty paper tube from the creel stand 30, the creel robot 50 engages the engagement part 52 with the claw 31C of the creel stand 30, and in this state, drives the peg rotation mechanism 51 to rotate the engagement part 52. As a result, the claw 31C rotates, and the peg 31B also rotates accordingly. By rotating the peg 31B and facing the creel robot 50 side, the creel robot 50 can supply the paper feed package and collect the empty paper tube.

[0031] When transferring the paper tube, particularly when the yarn supply package is supplied to the stand bodies 30A and 30B, a reaction force generated when the heavy yarn supply package is supported by the pegs 31B is applied to the stand bodies 30A and 30B. In order to reduce the shaking or tilt of the stand bodies 30A and 30B caused by this reaction force, the stand bodies 30A and 30B are connected to each other by a beam mechanism 40 to form a single structure. The beam mechanism 40 connects the stand bodies 30A and 30B at a position above the creel robot 50 so as not to interfere with the movement of the creel robot 50 moving between the stand bodies 30A and 30B.

[0032] FIG. 4 is a view of the stand bodies 30A and 30B and the upper portion of the creel robot 50 as viewed from the longitudinal direction of the stand bodies 30A and 30B.

[0033] The beam mechanism 40 has vertical connecting members 41A, 41B, a horizontal connecting member 42, and diagonal members 43A, 43B. The vertical connecting members 41A, 41B and the horizontal connecting member 42 correspond to the "connecting rod-like member" of the present invention.

[0034] The vertical connecting member 41A is a long rod-like member, and is fixed to the upper part of the stand main body 30A in a vertical orientation. The vertical connecting member 41A is connected to, for example, the support column 31 of the stand main body 30A. The vertical connecting member 41B is fixed to the upper part of the stand main body 30B.

[0035] The horizontal connecting member 42 is a long rod-like member and connects the tips of the vertical connecting members 41A and 41B. The horizontal connecting member 42 is connected to the vertical connecting members 41A and 41B at a substantially right angle. The vertical connecting members 41A and 41B and the horizontal connecting member 42 may be connected using a jig or by welding or the like.

[0036] Each of the vertical connecting members 41A, 41B and the horizontal connecting member 42 has a dimension adjustment mechanism that allows the length to be adjusted. An example of the dimension adjustment mechanism is a mechanism that adjusts the length by inserting a rod member into a long cylinder and moving the rod member back and forth relative to the cylinder.

[0037] The diagonal members 43A, 43B are connected obliquely to the vertical connecting members 41A, 41B and the horizontal connecting member 42 to form a truss structure. By providing the diagonal members 43A, 43B, the strength of the beam mechanism 40 in the direction perpendicular to the longitudinal direction of the stand main bodies 30A, 30B can be increased.

[0038] A plurality of beam mechanisms 40 are provided in the longitudinal direction of the stand bodies 30A and 30B (see Figs. 1 and 2). The beam mechanisms 40 are connected by connecting members 45 extending in the longitudinal direction. This makes it possible to prevent the beam mechanisms 40 from falling in the longitudinal direction of the stand bodies 30A and 30B, and to increase the strength of the beam mechanisms 40.

[0039] In this way, by connecting the stand bodies 30A, 30B arranged separately with the beam mechanism 40, the creel stand 30 can be made into a single structure, and the rigidity of the creel stand 30 can be increased.

[0040] The creel stand 30 is provided with a long C-shaped steel 35 provided on the upper part of the stand body 30A. The C-shaped steel 35 corresponds to the "stand engagement mechanism" of the present invention. The C-shaped steel 35 extends in a direction parallel to the rail 20, that is, along the longitudinal direction of the stand body 30A (see Figs. 1 and 2).

[0041] A support plate 36 is provided on the upper part of the stand body 30A so as to span two support columns 31 arranged in a direction perpendicular to the rail 20. A plurality of support plates 36 are provided at predetermined intervals in the longitudinal direction of the stand body 30A. The C-shaped steel 35 is supported at a position on the support plate 36 close to the creel robot 50 when viewed from the longitudinal direction of the stand body 30A. The C-shaped steel 35 is provided with an open portion facing upward when viewed from the longitudinal direction. One side surface of the C-shaped steel 35 thus provided, extending in the vertical direction, corresponds to the "flange" of the present invention.

[0042] The C-shaped steel 35 functions as a guideway for the creel robot 50. As shown in FIG. 4, the creel robot 50 has an extension member 53A extending from an upper position thereof toward the stand main body 30A. The extension member 53A is located above the stand main body 30A, and its tip portion extends to the position of the C-shaped steel 35. A pair of rollers 54 is provided below the tip of the extension member 53A. The pair of rollers 54 rotate around an axis of rotation in the vertical direction. The pair of rollers 54 also rotate with one side of the C-shaped steel 35 sandwiched between them.

[0043] By clamping one side of the C-shaped steel 35 between a pair of rollers 54 of the creel robot 50, the distance between the creel robot 50 and the stand body 30A is restricted to the length of the extension member 53A. This keeps the distance between the creel robot 50 and the stand body 30A constant even if a reaction force that tilts the stand body 30A or the creel robot 50 is applied.

[0044] Similarly to the stand body 30A, a support plate 37 is provided at the top of the stand body 30B so as to span the two supports 31. A plurality of support plates 37 are provided at predetermined intervals in the longitudinal direction of the stand body 30B. Long C-shaped steel bars 38 are provided on the plurality of support plates 37 with their open parts facing upward when viewed from the longitudinal direction. The C-shaped steel bars 38 also function as a guideway for the creel robot 50.

[0045] The creel robot 50 has an extension member 53B that extends from an upper position thereof toward the stand body 30B. The extension member 53B is located above the stand body 30B, and its tip extends to the position of the C-shaped steel 38. A roller 55 is provided at the lower tip of the extension member 53B. The roller 55 rotates around an axis of rotation in the vertical direction. The roller 55 is disposed between both side surfaces of the C-shaped steel 38, and rotates while in contact with both side surfaces.

[0046] (Explanation of effect) As described above, the creel stand 30 of this embodiment is a single structure in which the stand bodies 30A and 30B arranged apart from each other are connected by the beam mechanism 40. Therefore, higher rigidity can be obtained compared to the case in which the stand bodies 30A and 30B are arranged independently. In addition, even if a reaction force generated when a heavy yarn supply package is supplied from the creel robot 50 to the peg 31B of the stand body 30A is applied to the stand body 30A, the reaction force is distributed to the stand body 30B via the beam mechanism 40, so that shaking and tilting are reduced. In addition, by connecting the stand bodies 30A and 30B arranged apart from each other with the beam mechanism 40, it is possible to prevent each of the stand bodies 30A and 30B from tilting. In addition, by connecting one of the stand bodies 30A and 30B to the wall or ceiling of the factory, shaking, tilting, or tilting is further suppressed. Such an effect is more noticeable as the height of the stand bodies 30A and 30B increases.

[0047] In addition, by reducing the inclination of the stand bodies 30A, 30B, the distance between the stand bodies 30A, 30B and the creel robot 50 can be maintained at a constant distance, making it possible for the creel robot 50 to supply yarn packages to the stand bodies 30A, 30B with high reliability.

[0048] Furthermore, since a plurality of beam mechanisms 40 are provided in the longitudinal direction of the stand bodies 30A and 30B, the shaking and tilting of the stand bodies 30A and 30B can be further reduced. This enables the creel robot 50 to supply the yarn packages to the stand bodies 30A and 30B with high reliability.

[0049] In addition, since the lengths of the vertical connecting members 41A, 41B and the horizontal connecting members 42 of the beam mechanism 40 are adjustable, they can be adjusted to match the distance between the stand bodies 30A, 30B when attaching the beam mechanism 40 to the stand bodies 30A, 30B. Furthermore, by making the length of the vertical connecting members 41A, 41B adjustable, for example, the horizontal connecting member 42 can be brought into close contact with the beams or ceiling of a factory, thereby preventing the stand bodies 30A, 30B from shaking or tilting.

[0050] (Modification) Although the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications are possible within the scope of the claims. For example, in the above embodiment, the beam mechanism 40 is composed of a plurality of members, but it may be composed of a single member. Also, the support 31 may be lengthened and the upper part of the support 31 may be used as the vertical connecting member 41A. Also, as the dimension adjustment mechanism of the beam mechanism 40, a mechanism may be used in which a single long rod member is formed by connecting a plurality of small rod members, and the length is adjusted by adjusting the number of the small rod members. Furthermore, if the movement of the creel robot 50 is not hindered, the stand main bodies 30A and 30B may be connected only by the horizontal connecting member 42 without using the vertical connecting members 41A and 41B.

[0051] In addition, in the above-described embodiment, the beam mechanism 40 connects the stand bodies 30A, 30B along a direction perpendicular to the longitudinal direction of the stand bodies 30A, 30B, but it may also connect the stand bodies 30A, 30B along a direction that diagonally intersects the longitudinal direction, for example.

[0052] Furthermore, the C-shaped steel 35, which is the stand engagement mechanism, is provided on the upper part of the stand main body 30A, and one side of the C-shaped steel is sandwiched between a pair of rollers 54 provided at the lower end of the extension member 53A, but is not limited to this. For example, a C-shaped steel may be provided near the center of the stand main body 30A in the vertical direction with the open part facing the creel robot 50, and a member extending vertically downward from the end of the extension member 53A to the C-shaped steel may be provided, and the C-shaped steel may be sandwiched between the pair of rollers. Even in this case, the distance between the stand main body 30A and the creel robot 50 can be maintained at a constant distance. Also, a stand engagement mechanism may be provided on each of the stand main bodies 30A and 30B.

[0053] In the above embodiment, the pair of rollers 54 provided at the lower end of the extension member 53A can rotate with one side of the C-shaped steel 35 sandwiched therebetween. In addition to this, the load of the creel robot 50 may be applied to the web of the C-shaped steel 35. If a roller is provided between the roller 54 facing the web of the C-shaped steel of the pair of rollers 54 and the web, for example, so that the roller 54 and the web can slide between each other, the load of the creel robot 50 can be applied to the web of the C-shaped steel 35. If the load of the creel robot 50 can be applied to the web of the C-shaped steel 35, the creel robot 50 will lean against the stand body 30A, and the weight of the creel robot 50 can further stabilize the stand body 30A. Furthermore, by stabilizing the stand body 30A, the stand body 30B connected to the stand body 30A by the beam mechanism 40 can also be stabilized.

[0054] In the above embodiment, the creel robot 50 has the extension members 53A and 53B extending from an upper position of the creel robot 50 toward both of the pair of stand bodies 30A and 30B, but the present invention is not limited to this. For example, the creel robot 50 may have an extension member (53A or 53B) extending from an upper position of the creel robot 50 toward only one of the pair of stand bodies 30A and 30B. In this case, a C-shaped steel (35 or 38) may be provided on the upper part of the creel stand (30A or 30B) on the side having the extension member, so that a pair of rollers 54 provided at the lower end of the extension member can rotate with one side of the C-shaped steel (35 or 38) sandwiched between them.

[0055] In addition, in the above-described embodiment, the pair of rollers 54 are configured to rotate with one side of the C-shaped steel 35 sandwiched between them, but the member is not limited to a C-shaped steel, and may be any member (e.g., an L-shaped steel) having a flange that can be sandwiched between the pair of rollers 54. [Explanation of symbols]

[0056] 20 Rail 30 Creel Stand 30A, 30B Stand body 35, 38 C-shaped steel 40 Beam mechanism 41A, 41B Vertical connecting member 42 Horizontal connecting member 50 Creel Robot 53A, 53B Extension member 54,55 Laura

Claims

1. A creel stand in which a creel robot supplies yarn packages to pegs, A pair of stand bodies are arranged on both sides of the path along which the creel robot moves, and which support the pegs. The pair of stand bodies are connected by a beam mechanism at a position above the creel robot, At least one of the pair of stand bodies has a stand engagement mechanism that engages with an extension member extending from an upper position of the creel robot toward the first stand body, along a direction parallel to the movement path of the creel robot. Creel stand.

2. The stand engagement mechanism is a rail having a flange erected in the vertical direction, The flange is held between at least two rollers that are rotatably mounted on the extension member around a vertical rotation axis. The creel stand according to claim 1.

3. The beam mechanism described above is It has a connecting rod-shaped member that connects the pair of stand bodies, The connecting rod-shaped member has a dimension adjustment mechanism that allows for adjustment of its axial length. The creel stand according to claim 1 or 2.

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