EP3308870A1 - Fin stack device - Google Patents
Fin stack device Download PDFInfo
- Publication number
- EP3308870A1 EP3308870A1 EP16847621.6A EP16847621A EP3308870A1 EP 3308870 A1 EP3308870 A1 EP 3308870A1 EP 16847621 A EP16847621 A EP 16847621A EP 3308870 A1 EP3308870 A1 EP 3308870A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fin
- stacking
- pins
- stacking pins
- holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/20—Storage arrangements; Piling or unpiling
- B21D43/22—Devices for piling sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
Definitions
- the present invention relates to a fin stacking apparatus configured to stack a fin.
- fin stacking refers to an action of receiving a fin, which is conveyed from a press machine, through penetration of stacking pins into the fin to stack the fins.
- the fin stacking is summarized herebelow.
- a fin having been delivered from a press machine moves on a suction plate, which has a plurality of holes formed therein, while being sucked by the suction plate. After the movement of the fin, the fin is cut. After that, the suction plate cancels a suction force so that the fin falls.
- the fallen fin is received with so-called stacking pins which are bars each having a needle-shaped tip, and fins are sequentially stacked (for example, see Patent Literature 1).
- Patent Literature 1 Japanese Unexamined Patent Application Publication No. 2015-164741
- Patent Literature 1 there is a case where, after the fin falls from the suction plate so that the stacking pins are inserted to the fin, the fin is caught by the stacking pins.
- a fin having a low rigidity, a long fin being liable to deform, a fin having stacking holes each deviated from a center of the fin, and a fin defining a small clearance between an inner peripheral portion of a stacking hole and an outer peripheral portion of a stacking pin are more liable to cause a contact between the inner peripheral portion of the stacking hole of the fin and the outer peripheral portion of the pin, with the result that the fin is caught by the stacking pins in some cases.
- the present invention has been made to solve the problem described above, and has an object to provide a fin stacking apparatus which is configured to prevent a fin, which is fallen from a suction plate, from being caught by stacking pins when the fin is stacked onto the stacking pins.
- a fin stacking apparatus which is configured to stack a fin having a flat-plate shape and a plurality of holes formed therein, including: a suction plate having a plurality of holes and being configured to retain the fin or to cause the fin to fall in accordance with presence or absence of suction through the plurality of holes; a plurality of stacking pins being arranged below the suction plate and configured to be inserted to the plurality of holes of the fin separated from the suction plate; and a stacking pin drive unit configured to rotate at least one of the plurality of stacking pins in a circumferential direction about an axis of the plurality of stacking pins.
- the stacking pin is rotated to move a contact point between the inner peripheral portion of the hole of the fin and the outer peripheral portion of the stacking pin, thereby defining a clearance thereat.
- FIG. 1 is a front view of a fin stacking apparatus according to Embodiment 1 of the present invention.
- a fin stacking apparatus 1 of Fig. 1 includes a suction unit 10 and a fin stacking unit 20 which is arranged below the suction unit 10 (Z-axis).
- the suction unit 10 includes a blower 13, a suction box 12, and a suction plate 11.
- the suction box 12 is arranged below the blower 13.
- the suction plate 11 is arranged below the suction box 12.
- the blower 13 is located at an uppermost part of the suction unit 10, and is configured to perform a suction operation so as to set a negative pressure state in the suction box 12 which is arranged therebelow (Z-axis).
- the suction box 12 causes a suction force of the blower 13 to act entirely on the suction plate 11.
- Dampers 25 are arranged on outer wall surfaces of the suction box 12 so as to open and close with respect to an outer side of the suction box 12. In the closed state of the dampers 25, the suction box 12 maintains the negative pressure state in the suction box 12. In the opened state of the dampers 25, the suction box 12 releases an inside of the suction box 12 to the atmosphere to cancel the negative pressure state.
- the suction plate 11 is arranged below the suction box 12 and has a plurality of holes formed in a lower surface thereof to suck a fin 30. Further, the lower surface of the suction plate 11 has grooves (not shown) formed therein. Protruding portions formed at peripheral edges of stacking holes of the fin 30 are positioned so as to fit into the grooves, and the fin 30 moves on the surface of the suction plate 11 in that state.
- Fig. 2 is a top view of the fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention, in which the stacking holes are arranged in a staggered manner.
- Fig. 3 is a top view of a fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention, in which the stacking holes are aligned in a row direction.
- the fin 30 of Fig. 2 and a fin 34 of Fig. 3 the fin 30 and the fin 34 conveyed from a press machine 2 of Fig. 1 are divided along a direction which is parallel to a advancing direction 55 (X-axis). Further, the fin 30 and the fin 34 have stacking holes 32 along the advancing direction 55 (X-axis) at predetermined intervals.
- Fig. 4 is a top view of a fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention, in which the fin is divided into adjacent fins along a direction which is substantially perpendicular to the advancing direction of the fin.
- the fin 35 conveyed from the press machine 2 of Fig. 1 is divided along a direction which is parallel to the substantially perpendicular direction (Y-axis) with respect to the advancing direction 55 (X-axis).
- the fin 35 has stacking holes 32 along the substantially perpendicular direction (Y-axis) with respect to the advancing direction at predetermined intervals.
- Fig. 5 is a partial enlarged view of the fin stacking apparatus according to Embodiment 1 of the present invention.
- the fin stacking unit 20 of Fig. 1 includes a base 21, an elevator 24, and a plurality of stacking pins 23.
- the elevator 24 is arranged above the base 21.
- the stacking pins 23 are arranged so as to penetrate through the elevator 24 and have respective needle-shaped tips oriented upward in the Z-axis.
- stacking pin drive units 22 are arranged at base bottom portions of the stacking pins 23 on the base 21.
- the fin 30 fallen in a vertical direction 54 from the suction plate 11 is stacked onto the stacking pins 23 arranged below (Z-axis) the suction plate 11.
- the stacking pins 23 are located immediately below stacking holes 32 of the fin 30.
- Each stacking pin 23 has a diameter slightly smaller than that of the stacking hole 32 and has a length corresponding to a stack height of the fin 30.
- Fig. 6 is an enlarged view of the stacking pin and the fin in the fin stacking apparatus according to Embodiment 1 of the present invention.
- the fin 30 has stacking holes 32 and protruding portions 33 formed at respective peripheral edges of the stacking holes 32.
- a tip of each stacking pin 23 has a tapered shape so that the fin 30 can easily be guided downward at the time of insertion of the fin 30 onto the stacking pin 23.
- a clearance 44 is defined between an outer peripheral portion of the stacking pin 23 and an inner peripheral portion of the stacking hole 32 of the fin 30.
- the stacking pin drive unit 22 is configured to rotate the stacking pin 23 about an axis of the stacking pin, for example, at a constant speed.
- the rotating direction and speed of the stacking pin drive unit 22 are controlled by a controller 4.
- a rotating direction 53 of Fig. 5 is a clockwise direction, but may be a counterclockwise direction.
- the stacking pin drive unit 22 is constructed by, for example, a motor. As a method of mounting the motor, for example, the motor is mounted to each stacking pin 23.
- the stacking pins 23 in the advancing direction (X-axis direction) of the fin 30 or in the direction which is substantially perpendicular to the advancing direction of the fin 30 may be coupled to each other through intermediation of a pulley, a gear, a chain, and other member to simultaneously rotate the plurality of stacking pins 23 by one motor.
- the elevator 24 is positioned around an upper portion of the stacking pins 23, and is lowered so that an uppermost surface of stacked fins 31 is maintained at a certain height position.
- a sensor is provided, and at this time, the elevator 24 is controlled in accordance with an output from the sensor.
- the elevator 24 repeats movement of being lowered by a predetermined distance after a preset number of fins 30 fall.
- Fig. 7 is a view for illustrating a case where the fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention is long in the advancing direction.
- the fin 30 when the length of the fin 30 is increased in the advancing direction (X-axis) as in Fig. 7 , or the fin 30 when having a low rigidity such as in the case where the thickness of the fin 30 is reduced is more liable to deform when the fin 30 falls along the stacking pins 23, with the result that the fin 30 is more liable to be caught by the stacking pins 23.
- the number of stacking pins 23 is increased in accordance with the increased length of the fin 30 as in Fig. 7 .
- Fig. 8 is a flowchart for illustrating an operation of the fin stacking apparatus according to Embodiment 1 of the present invention. The operation is described based on Fig. 8 with reference to Fig. 1 .
- Step S1 the blower 13 starts suction (Step S1).
- the stacking pins 23 start rotation about an axis direction (Step S2).
- the rotation of the stacking pins 23 is started at the same timing as the start of suction by the blower 13.
- the rotation of the stacking pins 23 is not stopped until stacking is completed, and the rotation continues always in a certain direction and at constant speed.
- the press machine 2 is activated (Step S3), and the fin 30 is delivered (Step S4).
- the delivered fin 30 moves under a state of being sucked by the blower 13 onto the lower surface of the suction plate 11 (Step S5).
- the fin 30 delivered to a predetermined length is cut by a cutoff unit 3 (Step S6).
- the suction plate 11 is lowered in the vertical direction (Step S7).
- the dampers 25 are opened to release the inside of the suction box 12 to the atmosphere to restore the pressure inside the suction box 12, thereby cancelling the suction force generated on the suction plate 11 (Step S8).
- the fin 30 falls in the vertical direction (Step S9), and the suction plate 11 is raised (Step S10).
- the fin 30 is guided so that the stacking pins 23 penetrate through the stacking holes (Step S11), and is placed on the elevator 24 (Step S12).
- the elevator 24 is positioned around the upper portion of the stacking pins 23, and the fallen fins 30 are sequentially stacked thereon.
- the stacking pins 23 are rotated, thereby preventing the fin 30, which is guided so that the stacking pins 23 penetrate therethrough, from being brought into contact with and caught by the stacking pins 23 during falling along the stacking pins 23. Further, at this time, the uppermost surface of the stacked fins 31 is detected by a sensor (not shown) (Step S13), and the elevator 24 is lowered (Step S14) so that the uppermost surface of the stacked fins 31 is maintained at a certain position. The above-mentioned operation is repeated to proceed the stacking.
- the stacking pins 23 are rotated, thereby preventing the fin 30 from being brought into contact with and caught by the stacking pins 23 during falling.
- sequentially received fins 30 can be moved to a predetermined position and stacked thereat without delay, thereby stacking the fin 30 with good alignment. That is, according to the related-art invention, a fin deviated from a center as illustrated in Fig. 9 and a fin which falls with an inclination as illustrated in Fig. 10 are sometimes caught by the stacking pins.
- the rotating movement of the stacking pins in the fin stacking apparatus is performed, thereby preventing the fin from being brought into contact with and caught by the stacking pins during falling of the fin.
- Fig. 9 is a top view of a fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention, in which positions of the stacking holes are deviated from a center.
- a fin 36 has stacking holes 32 along the advancing direction 55 (X-axis) at predetermined intervals.
- the line A-A connecting center points of the stacking holes 32 is deviated from the center line B-B in a width (Y-axis) in the advancing direction of the fin 36, and the positions of the stacking holes 32 are deviated from the center.
- Fig. 9 is a top view of a fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention, in which positions of the stacking holes are deviated from a center.
- a fin 36 has stacking holes 32 along the advancing direction 55 (X-axis) at predetermined intervals.
- the line A-A connecting center points of the stacking holes 32 is deviated from the center line B-B in a width (
- FIG. 10 is a view for illustrating a state in which the stacking pins are inserted to the fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention and thereafter the fin falls with an inclination.
- the fin 36 which is deviated from the center as illustrated in Fig. 9 or the fin which falls with an inclination as illustrated in Fig. 10 is inclined or deformed during falling in the vertical direction 54 along the stacking pins 23, with the result that the inner peripheral portion of the stacking hole 32 and the outer peripheral portion of the stacking pin 23 are brought into contact with each other to catch the fin.
- Fig. 11 is a view for illustrating the rotating movement of the stacking pins in the fin stacking apparatus according to Embodiment 1 of the present invention.
- Fig. 12 is a view for illustrating a case where the fin for use in the fin stacking apparatus according to Embodiment 1 of the present invention is a deformed long fin.
- a rotational speed being a reference for the stacking pins 23 rotating at constant speed in the rotating direction 53 may be changed to deal with the catching.
- Embodiment 1 the rotational speed of the stacking pins 23 is constant.
- Embodiment 2 description is made of a case where the rotational speed of the stacking pins 23 is changed. Parts having the same configuration as those of the fin stacking apparatus of Fig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted. The configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stacking pins 23 is changed for use.
- the rotation speed of the stacking pin drive units 22 is controlled by the controller 4.
- the fin stacking apparatus is configured so that the rotation of the stacking pins 23 is stopped until the stacking pins 23 are inserted to the fin 30. Basically, it is necessary that a preceding fin 30 be stacked with respect to the stacking pins 23 without being caught before the stacking pins 23 are inserted to a next fin 30. Thus, as long as the fin 30 can be stacked without being caught, there is no need to rotate the stacking pins 23 during the movement of the fin 30 before the insertion of the stacking pins 23.
- the rotation of the stacking pins 23 is stopped until the stacking pins 23 are inserted to the fin 30, and the rotation of the stacking pins 23 is set to a first set rotational speed when the stacking pins 23 are inserted to the fin 30.
- the first set rotational speed is stored in advance or is determined by the controller 4 based on data detected by a sensor (not shown) which is configured to detect a moving speed or a position of the fin 30.
- the stacking pins 23 are rotated, thereby preventing the fin 30 from being brought into contact with and caught by the stacking pins 23 during falling.
- the sequentially received fins 30 can be moved to the predetermined position and stacked thereat without delay, thereby stacking the fins 30 with good alignment.
- the rotation of the stacking pins 23 is stopped before the fin 30 is inserted to the stacking pins 23, thereby reducing power consumption of the apparatus itself.
- Embodiment 1 the rotational speed of the stacking pins 23 is constant.
- Embodiment 3 description is made of a case where the rotational speed of the stacking pins 23 is changed. Parts having the same configuration as those of the fin stacking apparatus of Fig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted. The configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stacking pins 23 is changed for use.
- the rotation speed of the stacking pin drive units 22 is controlled by the controller 4.
- the rotational speed of the stacking pins 23 is set lower as compared to the rotational speed at the time of insertion to the fin 30. For example, in a case where a conveyance speed for conveyance of the fin 30 by the press machine 2 is increased, time for feeding of the fin 30 is shortened. Along with this, time for elimination of catching of the fin 30 is also shortened. In this case, it is necessary to shorten time required for the stacking pins 23 to reach a target rotational speed, to thereby secure sufficient time for elimination of the catching.
- the stacking pins 23 are rotated in advance at a second set rotational speed before the stacking pins 23 are inserted to the fin 30, and the stacking pins 23 are rotated at the first set rotational speed when the stacking pins 23 are inserted to the fin 30.
- the second set rotational speed is lower than the first set rotational speed.
- the first set rotational speed and the second set rotational speed are stored in advance or are determined by the controller 4 based on data detected by a sensor (not shown) which is configured to detect a moving speed or a position of the fin 30.
- the stacking pins 23 are rotated, thereby preventing the fin 30 from being brought into contact with and caught by the stacking pins 23 during falling.
- the sequentially received fins 30 can be moved to the predetermined position and stacked thereat without delay, thereby stacking the fins 30 with good alignment.
- the rotational speed of the stacking pins 23 is set lower before the stacking pins 23 are inserted to the fin 30, thereby reducing the power consumption of the apparatus itself and shortening time required to reach the target rotational speed.
- Such a configuration can deal with the rise in conveyance speed for conveyance of the fin 30 by the press machine 2.
- Fig. 13 is a front view of a fin stacking apparatus according to Embodiment 4 of the present invention.
- Fig. 14 is a view for illustrating a rotating movement and an axial movement of the stacking pins in the fin stacking apparatus according to Embodiment 4 of the present invention.
- stacking is performed under the state in which the stacking pins 23 are rotated at a constant speed and always in the same direction.
- stacking is performed under a state in which stacking pins 123 are repeatedly moved up and down in an axial direction 57 while the stacking pins 123 are rotated.
- the stacking pins 123 are moved up and down in the axial direction 57 by a vertical direction drive mechanism 26.
- a mechanism of moving the stacking pins 123 in the axial direction 57 there may be employed, for example, a motor driving through use of a crank, or a power cylinder.
- the driving speed and driving width are stored in advance or determined by a controller 5 based on data detected by a sensor (not shown) which is configured to detect a moving speed and a position of the fin 30.
- the movement in the axial direction 57 is not performed before insertion of the stacking pins 123 to a fin 130 but performed after insertion of the stacking pins 123 to the fin 130. Then, the movement in the axial direction 57 is stopped immediately before the next fin 130 falls. For example, the movement is started at a timing after the suction plate 11 is lowered and returns to an upper limit of rise. Further, the movement is stopped at a timing after the fin 130 is fed by a preset length on the suction plate 11. This is because positions of the stacking pins 123 and the stacking holes 132 need to be registered when the stacking pins 123 are to be inserted to the fin 130.
- the axial movement of the stacking pins 123 is performed for all of the installed stacking pins 123. This is because the catching can be eliminated faster when the rotation and axial movements are performed by all of the stacking pins 123.
- the stacking pins 123 are rotated and axially moved, thereby preventing the fin 130 from being brought into contact with and caught by the stacking pins 123 during falling.
- the sequentially received fins 130 can be moved to the predetermined position and stacked thereat without delay, thereby stacking the fins 130 with good alignment.
- Fig. 15 is a front view of a fin stacking apparatus according to Embodiment 5 of the present invention.
- Fig. 16 is a view for illustrating a rotating movement and a horizontal movement of stacking pins in the fin stacking apparatus according to Embodiment 5 of the present invention.
- stacking is performed under the state in which the stacking pins 23 are rotated always in the same direction.
- stacking is performed under a state in which stacking pins 223 are repeatedly moved in a horizontal direction 58 while the stacking pins 223 are rotated.
- parts having the same configuration as those of the fin stacking apparatus of Fig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted.
- the configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stacking pins 223 is changed for use.
- the stacking pins 223 are moved in the horizontal direction 58 by a horizontal direction drive mechanism 27.
- a mechanism of moving the stacking pins 223 in the horizontal direction 58 there may be employed, for example, a motor driving through use of a crank, or a power cylinder.
- the driving speed and driving width are stored in advance or determined by a controller 6 based on data detected by a sensor (not shown) which is configured to detect a moving speed and a position of the fin 30.
- the movement in the horizontal direction 58 is not performed before insertion of the stacking pins 223 to a fin 230 but performed after insertion of the stacking pins 223 to the fin 230. Then, the movement in the horizontal direction 58 is stopped immediately before the next fin 230 falls. For example, the movement is started at the timing after the suction plate 11 is lowered and returns to the upper limit of rise. Further, the movement is stopped at a timing after the fin 230 is fed by a preset length on the suction plate 11. This is because positions of the stacking pins 223 and the stacking holes 232 need to be registered when the stacking pins 223 are to be inserted to the fin 230.
- the horizontal movement of the stacking pins 223 is performed for all of the installed stacking pins 223. This is because the catching can be eliminated faster when the rotation and horizontal movements are performed by all of the stacking pins 223.
- the stacking pins 223 are rotated and horizontally moved, thereby preventing the fin 230 from being brought into contact with and caught by the stacking pins 223 during falling.
- the sequentially received fins 230 can be moved to the predetermined position and stacked thereat without delay, thereby stacking the fins 230 with good alignment.
- Fig. 17 is a front view of a fin stacking apparatus according to Embodiment 6 of the present invention.
- Fig. 18 is a view for illustrating a rotating movement and a vibrating movement of stacking pins in the fin stacking apparatus according to Embodiment 6 of the present invention.
- stacking is performed under the state in which the stacking pins 23 are rotated always in the same direction.
- stacking is performed under a state in which stacking pins 323 are vibrated while the stacking pins 323 are rotated.
- parts having the same configuration as those of the fin stacking apparatus of Fig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted.
- the configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stacking pins 323 is changed for use.
- the stacking pins 323 are vibrated by a vibration generating mechanism 28.
- a vibration generating mechanism 28 As a mechanism configured to vibrate the stacking pins 323, there may be employed a vibration generating device of, for example, an electric type, a hydraulic type, or a pneumatic type.
- the driving speed and driving width are stored in advance or determined by a controller 7 based on data detected by a sensor (not shown) which is configured to detect a moving speed and a position of the fin 30.
- the vibrating movement is not performed before insertion of the stacking pins 323 to the fin 330 but performed after insertion of the stacking pins 323 to the fin 330. Then, the vibrating movement is stopped immediately before the next fin 330 falls. For example, the movement is started at the timing after the suction plate 11 is lowered and returns to the upper limit of rise. Further, the movement is stopped at a timing after the fin 330 is fed by a preset length on the suction plate 11. This is because positions of the stacking pins 323 and the stacking holes 332 need to be registered when the stacking pins 323 are to be inserted to the fin 330.
- the vibrating movement of the stacking pins 323 is performed for all of the installed stacking pins 323. This is because the catching can be eliminated faster when the rotation and vibrating movements are performed by all of the stacking pins 323.
- the stacking pins 323 are rotated and vibrated, thereby preventing the fin 330 from being brought into contact with and caught by the stacking pins 323 during falling.
- the sequentially received fins 330 can be moved to the predetermined position and stacked thereat without delay, thereby stacking the fins 330 with good alignment.
- positions of the controllers 4 to 7 may be set as appropriate, and may be arranged in, for example, the suction unit 10.
- the vertical direction drive mechanism, the horizontal direction drive mechanism, and the vibration generating mechanism are arranged for each stacking pin, but may be collectively arranged for a plurality of stacking pins.
- the vertical direction drive mechanism, the horizontal direction drive mechanism, and the vibration generating mechanism may be used in combination.
Abstract
Description
- The present invention relates to a fin stacking apparatus configured to stack a fin.
- The term "fin stacking" refers to an action of receiving a fin, which is conveyed from a press machine, through penetration of stacking pins into the fin to stack the fins. The fin stacking is summarized herebelow. A fin having been delivered from a press machine moves on a suction plate, which has a plurality of holes formed therein, while being sucked by the suction plate. After the movement of the fin, the fin is cut. After that, the suction plate cancels a suction force so that the fin falls. The fallen fin is received with so-called stacking pins which are bars each having a needle-shaped tip, and fins are sequentially stacked (for example, see Patent Literature 1).
- Patent Literature 1: Japanese Unexamined Patent Application Publication No.
2015-164741 - In the apparatus disclosed in
Patent Literature 1, there is a case where, after the fin falls from the suction plate so that the stacking pins are inserted to the fin, the fin is caught by the stacking pins. For example, a fin having a low rigidity, a long fin being liable to deform, a fin having stacking holes each deviated from a center of the fin, and a fin defining a small clearance between an inner peripheral portion of a stacking hole and an outer peripheral portion of a stacking pin are more liable to cause a contact between the inner peripheral portion of the stacking hole of the fin and the outer peripheral portion of the pin, with the result that the fin is caught by the stacking pins in some cases. - The present invention has been made to solve the problem described above, and has an object to provide a fin stacking apparatus which is configured to prevent a fin, which is fallen from a suction plate, from being caught by stacking pins when the fin is stacked onto the stacking pins.
- According to one embodiment of the present invention, there is provided a fin stacking apparatus, which is configured to stack a fin having a flat-plate shape and a plurality of holes formed therein, including: a suction plate having a plurality of holes and being configured to retain the fin or to cause the fin to fall in accordance with presence or absence of suction through the plurality of holes; a plurality of stacking pins being arranged below the suction plate and configured to be inserted to the plurality of holes of the fin separated from the suction plate; and a stacking pin drive unit configured to rotate at least one of the plurality of stacking pins in a circumferential direction about an axis of the plurality of stacking pins.
- With the fin stacking apparatus according to one embodiment of the present invention, the stacking pin is rotated to move a contact point between the inner peripheral portion of the hole of the fin and the outer peripheral portion of the stacking pin, thereby defining a clearance thereat. As a result, after the fin is inserted onto the staking pins, the fin is prevented from being caught during the falling movement onto the stacking pins.
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- [
Fig. 1] Fig. 1 is a front view of a fin stacking apparatus according toEmbodiment 1 of the present invention. - [
Fig. 2] Fig. 2 is a top view for illustrating a fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which stacking holes are arranged in a staggered manner. - [
Fig. 3] Fig. 3 is a top view for illustrating a fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which the stacking holes are aligned in a row direction. - [
Fig. 4] Fig. 4 is a top view for illustrating a fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which the fin is divided into adjacent fins along a direction which is substantially perpendicular to a advancing direction of the fin. - [
Fig. 5] Fig. 5 is a partial enlarged view of the fin stacking apparatus according toEmbodiment 1 of the present invention. - [
Fig. 6] Fig. 6 is an enlarged view of the stacking pin and the fin in the fin stacking apparatus according toEmbodiment 1 of the present invention. - [
Fig. 7] Fig. 7 is a view for illustrating a case where the fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention is long in the advancing direction. - [
Fig. 8] Fig. 8 is a flowchart for illustrating an operation of the fin stacking apparatus according toEmbodiment 1 of the present invention. - [
Fig. 9] Fig. 9 is a top view of a fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which positions of stacking holes are deviated from a center. - [
Fig. 10] Fig. 10 is a view for illustrating a state in which the fin is inserted onto the stacking pins for use in the fin stacking apparatus according toEmbodiment 1 of the present invention and thereafter the fin falls with an inclination. - [
Fig. 11] Fig. 11 is a view for illustrating a rotating movement of the stacking pins in the fin stacking apparatus according toEmbodiment 1 of the present invention. - [
Fig. 12] Fig. 12 is a view for illustrating a case where the fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention is a deformed long fin. - [
Fig. 13] Fig. 13 is a front view of a fin stacking apparatus according toEmbodiment 4 of the present invention. - [
Fig. 14] Fig. 14 is a view for illustrating a rotating movement and an axial movement of stacking pins in the fin stacking apparatus according toEmbodiment 4 of the present invention. - [
Fig. 15] Fig. 15 is a front view of a fin stacking apparatus according toEmbodiment 5 of the present invention. - [
Fig. 16] Fig. 16 is a view for illustrating a rotating movement and a horizontal movement of stacking pins in the fin stacking apparatus according toEmbodiment 5 of the present invention. - [
Fig. 17] Fig. 17 is a front view of a fin stacking apparatus according toEmbodiment 6 of the present invention. - [
Fig. 18] Fig. 18 is a view for illustrating a rotating movement and a vibrating movement of stacking pins in the fin stacking apparatus according toEmbodiment 6 of the present invention. -
Fig. 1 is a front view of a fin stacking apparatus according toEmbodiment 1 of the present invention. Afin stacking apparatus 1 ofFig. 1 includes asuction unit 10 and afin stacking unit 20 which is arranged below the suction unit 10 (Z-axis). Thesuction unit 10 includes ablower 13, asuction box 12, and asuction plate 11. Thesuction box 12 is arranged below theblower 13. Thesuction plate 11 is arranged below thesuction box 12. - The
blower 13 is located at an uppermost part of thesuction unit 10, and is configured to perform a suction operation so as to set a negative pressure state in thesuction box 12 which is arranged therebelow (Z-axis). Thesuction box 12 causes a suction force of theblower 13 to act entirely on thesuction plate 11.Dampers 25 are arranged on outer wall surfaces of thesuction box 12 so as to open and close with respect to an outer side of thesuction box 12. In the closed state of thedampers 25, thesuction box 12 maintains the negative pressure state in thesuction box 12. In the opened state of thedampers 25, thesuction box 12 releases an inside of thesuction box 12 to the atmosphere to cancel the negative pressure state. Thesuction plate 11 is arranged below thesuction box 12 and has a plurality of holes formed in a lower surface thereof to suck afin 30. Further, the lower surface of thesuction plate 11 has grooves (not shown) formed therein. Protruding portions formed at peripheral edges of stacking holes of thefin 30 are positioned so as to fit into the grooves, and the fin 30 moves on the surface of thesuction plate 11 in that state. - Now, description is made of the
fin 30 which moves while being sucked by thesuction plate 11.Fig. 2 is a top view of the fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which the stacking holes are arranged in a staggered manner.Fig. 3 is a top view of a fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which the stacking holes are aligned in a row direction. As in thefin 30 ofFig. 2 and afin 34 ofFig. 3 , thefin 30 and thefin 34 conveyed from apress machine 2 ofFig. 1 are divided along a direction which is parallel to a advancing direction 55 (X-axis). Further, thefin 30 and thefin 34 have stackingholes 32 along the advancing direction 55 (X-axis) at predetermined intervals. -
Fig. 4 is a top view of a fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which the fin is divided into adjacent fins along a direction which is substantially perpendicular to the advancing direction of the fin. As in a fin 35 ofFig. 4 , the fin 35 conveyed from thepress machine 2 ofFig. 1 is divided along a direction which is parallel to the substantially perpendicular direction (Y-axis) with respect to the advancing direction 55 (X-axis). Further, the fin 35 has stackingholes 32 along the substantially perpendicular direction (Y-axis) with respect to the advancing direction at predetermined intervals. -
Fig. 5 is a partial enlarged view of the fin stacking apparatus according toEmbodiment 1 of the present invention. With reference toFig. 5 , description is made of thefin stacking unit 20 ofFig. 1 in which thefin 30 separated from thesuction plate 11 is stacked. Thefin stacking unit 20 ofFig. 1 includes abase 21, anelevator 24, and a plurality ofstacking pins 23. Theelevator 24 is arranged above thebase 21. The stacking pins 23 are arranged so as to penetrate through theelevator 24 and have respective needle-shaped tips oriented upward in the Z-axis. Further, stackingpin drive units 22 are arranged at base bottom portions of the stacking pins 23 on thebase 21. Thefin 30 fallen in avertical direction 54 from thesuction plate 11 is stacked onto the stackingpins 23 arranged below (Z-axis) thesuction plate 11. The stacking pins 23 are located immediately below stackingholes 32 of thefin 30. Each stackingpin 23 has a diameter slightly smaller than that of the stackinghole 32 and has a length corresponding to a stack height of thefin 30.Fig. 6 is an enlarged view of the stacking pin and the fin in the fin stacking apparatus according toEmbodiment 1 of the present invention. Thefin 30 has stackingholes 32 and protrudingportions 33 formed at respective peripheral edges of the stacking holes 32. A tip of each stackingpin 23 has a tapered shape so that thefin 30 can easily be guided downward at the time of insertion of thefin 30 onto the stackingpin 23. Thus, aclearance 44 is defined between an outer peripheral portion of the stackingpin 23 and an inner peripheral portion of the stackinghole 32 of thefin 30. - The stacking
pin drive unit 22 is configured to rotate the stackingpin 23 about an axis of the stacking pin, for example, at a constant speed. The rotating direction and speed of the stackingpin drive unit 22 are controlled by acontroller 4. Arotating direction 53 ofFig. 5 is a clockwise direction, but may be a counterclockwise direction. The stackingpin drive unit 22 is constructed by, for example, a motor. As a method of mounting the motor, for example, the motor is mounted to each stackingpin 23. Alternatively, the stackingpins 23 in the advancing direction (X-axis direction) of thefin 30 or in the direction which is substantially perpendicular to the advancing direction of thefin 30 may be coupled to each other through intermediation of a pulley, a gear, a chain, and other member to simultaneously rotate the plurality of stackingpins 23 by one motor. - The
elevator 24 is positioned around an upper portion of the stackingpins 23, and is lowered so that an uppermost surface of stacked fins 31 is maintained at a certain height position. A sensor is provided, and at this time, theelevator 24 is controlled in accordance with an output from the sensor. Theelevator 24 repeats movement of being lowered by a predetermined distance after a preset number offins 30 fall. -
Fig. 7 is a view for illustrating a case where the fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention is long in the advancing direction. Thefin 30 when the length of thefin 30 is increased in the advancing direction (X-axis) as inFig. 7 , or thefin 30 when having a low rigidity such as in the case where the thickness of thefin 30 is reduced is more liable to deform when thefin 30 falls along the stackingpins 23, with the result that thefin 30 is more liable to be caught by the stacking pins 23. In this case, the number of stackingpins 23 is increased in accordance with the increased length of thefin 30 as inFig. 7 . -
Fig. 8 is a flowchart for illustrating an operation of the fin stacking apparatus according toEmbodiment 1 of the present invention. The operation is described based onFig. 8 with reference toFig. 1 . - First, the
blower 13 starts suction (Step S1). Next, the stackingpins 23 start rotation about an axis direction (Step S2). The rotation of the stacking pins 23 is started at the same timing as the start of suction by theblower 13. The rotation of the stacking pins 23 is not stopped until stacking is completed, and the rotation continues always in a certain direction and at constant speed. Next, thepress machine 2 is activated (Step S3), and thefin 30 is delivered (Step S4). The deliveredfin 30 moves under a state of being sucked by theblower 13 onto the lower surface of the suction plate 11 (Step S5). Thefin 30 delivered to a predetermined length is cut by a cutoff unit 3 (Step S6). At substantially the same timing as the cutting, thesuction plate 11 is lowered in the vertical direction (Step S7). Immediately after the lowering, thedampers 25 are opened to release the inside of thesuction box 12 to the atmosphere to restore the pressure inside thesuction box 12, thereby cancelling the suction force generated on the suction plate 11 (Step S8). After that, thefin 30 falls in the vertical direction (Step S9), and thesuction plate 11 is raised (Step S10). Thefin 30 is guided so that the stackingpins 23 penetrate through the stacking holes (Step S11), and is placed on the elevator 24 (Step S12). Theelevator 24 is positioned around the upper portion of the stackingpins 23, and the fallenfins 30 are sequentially stacked thereon. At this time, the stackingpins 23 are rotated, thereby preventing thefin 30, which is guided so that the stackingpins 23 penetrate therethrough, from being brought into contact with and caught by the stackingpins 23 during falling along the stacking pins 23. Further, at this time, the uppermost surface of the stacked fins 31 is detected by a sensor (not shown) (Step S13), and theelevator 24 is lowered (Step S14) so that the uppermost surface of the stacked fins 31 is maintained at a certain position. The above-mentioned operation is repeated to proceed the stacking. - As described above, when the
fin 30 is guided by the stackingpins 23 and falls along the stackingpins 23, the stackingpins 23 are rotated, thereby preventing thefin 30 from being brought into contact with and caught by the stackingpins 23 during falling. As a result, sequentially receivedfins 30 can be moved to a predetermined position and stacked thereat without delay, thereby stacking thefin 30 with good alignment. That is, according to the related-art invention, a fin deviated from a center as illustrated inFig. 9 and a fin which falls with an inclination as illustrated inFig. 10 are sometimes caught by the stacking pins. With the fin stacking apparatus according to the present invention, the rotating movement of the stacking pins in the fin stacking apparatus is performed, thereby preventing the fin from being brought into contact with and caught by the stacking pins during falling of the fin. -
Fig. 9 is a top view of a fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention, in which positions of the stacking holes are deviated from a center. Afin 36 has stackingholes 32 along the advancing direction 55 (X-axis) at predetermined intervals. The line A-A connecting center points of the stackingholes 32 is deviated from the center line B-B in a width (Y-axis) in the advancing direction of thefin 36, and the positions of the stackingholes 32 are deviated from the center.Fig. 10 is a view for illustrating a state in which the stacking pins are inserted to the fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention and thereafter the fin falls with an inclination. According to the related-art invention, there is a case where thefin 36 which is deviated from the center as illustrated inFig. 9 or the fin which falls with an inclination as illustrated inFig. 10 is inclined or deformed during falling in thevertical direction 54 along the stackingpins 23, with the result that the inner peripheral portion of the stackinghole 32 and the outer peripheral portion of the stackingpin 23 are brought into contact with each other to catch the fin. -
Fig. 11 is a view for illustrating the rotating movement of the stacking pins in the fin stacking apparatus according toEmbodiment 1 of the present invention. When thefin 30 is guided by the stackingpins 23 and falls in thevertical direction 54 along the stackingpins 23, the stackingpins 23 are rotated in therotating direction 53 about an axis direction. As a result, thefin 30 can be prevented from being brought into contact with and caught by the stackingpins 23 during falling. -
Fig. 12 is a view for illustrating a case where the fin for use in the fin stacking apparatus according toEmbodiment 1 of the present invention is a deformed long fin. For the fin such as thedeformed fin 30 ofFig. 13 which is liable to be caught, a rotational speed being a reference for the stackingpins 23 rotating at constant speed in therotating direction 53 may be changed to deal with the catching. - In
Embodiment 1, the rotational speed of the stacking pins 23 is constant. Next, inEmbodiment 2, description is made of a case where the rotational speed of the stacking pins 23 is changed. Parts having the same configuration as those of the fin stacking apparatus ofFig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted. The configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stacking pins 23 is changed for use. The rotation speed of the stackingpin drive units 22 is controlled by thecontroller 4. - The fin stacking apparatus according to
Embodiment 2 is configured so that the rotation of the stacking pins 23 is stopped until the stackingpins 23 are inserted to thefin 30. Basically, it is necessary that a precedingfin 30 be stacked with respect to the stackingpins 23 without being caught before the stackingpins 23 are inserted to anext fin 30. Thus, as long as thefin 30 can be stacked without being caught, there is no need to rotate the stackingpins 23 during the movement of thefin 30 before the insertion of the stacking pins 23. In view of this, the rotation of the stacking pins 23 is stopped until the stackingpins 23 are inserted to thefin 30, and the rotation of the stacking pins 23 is set to a first set rotational speed when the stackingpins 23 are inserted to thefin 30. The first set rotational speed is stored in advance or is determined by thecontroller 4 based on data detected by a sensor (not shown) which is configured to detect a moving speed or a position of thefin 30. - As described above, when the
fin 30 is guided by the stackingpins 23 and falls along the stackingpins 23, the stackingpins 23 are rotated, thereby preventing thefin 30 from being brought into contact with and caught by the stackingpins 23 during falling. Thus, the sequentially receivedfins 30 can be moved to the predetermined position and stacked thereat without delay, thereby stacking thefins 30 with good alignment. Further, the rotation of the stacking pins 23 is stopped before thefin 30 is inserted to the stackingpins 23, thereby reducing power consumption of the apparatus itself. - In
Embodiment 1, the rotational speed of the stacking pins 23 is constant. Next, inEmbodiment 3, description is made of a case where the rotational speed of the stacking pins 23 is changed. Parts having the same configuration as those of the fin stacking apparatus ofFig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted. The configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stacking pins 23 is changed for use. The rotation speed of the stackingpin drive units 22 is controlled by thecontroller 4. - In the fin stacking apparatus according to
Embodiment 3, until the stackingpins 23 are inserted to thefin 30, the rotational speed of the stacking pins 23 is set lower as compared to the rotational speed at the time of insertion to thefin 30. For example, in a case where a conveyance speed for conveyance of thefin 30 by thepress machine 2 is increased, time for feeding of thefin 30 is shortened. Along with this, time for elimination of catching of thefin 30 is also shortened. In this case, it is necessary to shorten time required for the stackingpins 23 to reach a target rotational speed, to thereby secure sufficient time for elimination of the catching. As a countermeasure, the stackingpins 23 are rotated in advance at a second set rotational speed before the stackingpins 23 are inserted to thefin 30, and the stackingpins 23 are rotated at the first set rotational speed when the stackingpins 23 are inserted to thefin 30. The second set rotational speed is lower than the first set rotational speed. The first set rotational speed and the second set rotational speed are stored in advance or are determined by thecontroller 4 based on data detected by a sensor (not shown) which is configured to detect a moving speed or a position of thefin 30. - As described above, when the
fin 30 is guided by the stackingpins 23 and falls along the stackingpins 23, the stackingpins 23 are rotated, thereby preventing thefin 30 from being brought into contact with and caught by the stackingpins 23 during falling. Thus, the sequentially receivedfins 30 can be moved to the predetermined position and stacked thereat without delay, thereby stacking thefins 30 with good alignment. Further, the rotational speed of the stacking pins 23 is set lower before the stackingpins 23 are inserted to thefin 30, thereby reducing the power consumption of the apparatus itself and shortening time required to reach the target rotational speed. Such a configuration can deal with the rise in conveyance speed for conveyance of thefin 30 by thepress machine 2. -
Fig. 13 is a front view of a fin stacking apparatus according toEmbodiment 4 of the present invention.Fig. 14 is a view for illustrating a rotating movement and an axial movement of the stacking pins in the fin stacking apparatus according toEmbodiment 4 of the present invention. In the fin stacking apparatus according toEmbodiment 1, stacking is performed under the state in which the stackingpins 23 are rotated at a constant speed and always in the same direction. In the fin stacking apparatus according toEmbodiment 4, stacking is performed under a state in which stacking pins 123 are repeatedly moved up and down in anaxial direction 57 while the stacking pins 123 are rotated. InFig. 13 and Fig. 14 , parts having the same configuration as those of the fin stacking apparatus ofFig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted. The configuration and operation of thefin stacking apparatus 1 itself is unchanged, and only the control method for the stacking pins 123 is changed for use. - The stacking pins 123 are moved up and down in the
axial direction 57 by a verticaldirection drive mechanism 26. As a mechanism of moving the stacking pins 123 in theaxial direction 57, there may be employed, for example, a motor driving through use of a crank, or a power cylinder. The driving speed and driving width are stored in advance or determined by acontroller 5 based on data detected by a sensor (not shown) which is configured to detect a moving speed and a position of thefin 30. - The movement in the
axial direction 57 is not performed before insertion of the stacking pins 123 to afin 130 but performed after insertion of the stacking pins 123 to thefin 130. Then, the movement in theaxial direction 57 is stopped immediately before thenext fin 130 falls. For example, the movement is started at a timing after thesuction plate 11 is lowered and returns to an upper limit of rise. Further, the movement is stopped at a timing after thefin 130 is fed by a preset length on thesuction plate 11. This is because positions of the stacking pins 123 and the stacking holes 132 need to be registered when the stacking pins 123 are to be inserted to thefin 130. The axial movement of the stacking pins 123 is performed for all of the installed stacking pins 123. This is because the catching can be eliminated faster when the rotation and axial movements are performed by all of the stacking pins 123. - As described above, when the
fin 130 is guided by the stacking pins 123 and falls along the stacking pins 123, the stacking pins 123 are rotated and axially moved, thereby preventing thefin 130 from being brought into contact with and caught by the stacking pins 123 during falling. As a result, the sequentially receivedfins 130 can be moved to the predetermined position and stacked thereat without delay, thereby stacking thefins 130 with good alignment. -
Fig. 15 is a front view of a fin stacking apparatus according toEmbodiment 5 of the present invention.Fig. 16 is a view for illustrating a rotating movement and a horizontal movement of stacking pins in the fin stacking apparatus according toEmbodiment 5 of the present invention. In the fin stacking apparatus according toEmbodiment 1, stacking is performed under the state in which the stackingpins 23 are rotated always in the same direction. In the fin stacking apparatus according toEmbodiment 5, stacking is performed under a state in which stackingpins 223 are repeatedly moved in ahorizontal direction 58 while the stackingpins 223 are rotated. InFig. 15 and Fig. 16 , parts having the same configuration as those of the fin stacking apparatus ofFig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted. The configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stackingpins 223 is changed for use. - The stacking pins 223 are moved in the
horizontal direction 58 by a horizontaldirection drive mechanism 27. As a mechanism of moving the stackingpins 223 in thehorizontal direction 58, there may be employed, for example, a motor driving through use of a crank, or a power cylinder. The driving speed and driving width are stored in advance or determined by acontroller 6 based on data detected by a sensor (not shown) which is configured to detect a moving speed and a position of thefin 30. - The movement in the
horizontal direction 58 is not performed before insertion of the stackingpins 223 to afin 230 but performed after insertion of the stackingpins 223 to thefin 230. Then, the movement in thehorizontal direction 58 is stopped immediately before thenext fin 230 falls. For example, the movement is started at the timing after thesuction plate 11 is lowered and returns to the upper limit of rise. Further, the movement is stopped at a timing after thefin 230 is fed by a preset length on thesuction plate 11. This is because positions of the stackingpins 223 and the stacking holes 232 need to be registered when the stackingpins 223 are to be inserted to thefin 230. The horizontal movement of the stackingpins 223 is performed for all of the installed stackingpins 223. This is because the catching can be eliminated faster when the rotation and horizontal movements are performed by all of the stacking pins 223. - As described above, when the
fin 230 is guided by the stackingpins 223 and falls along the stackingpins 223, the stackingpins 223 are rotated and horizontally moved, thereby preventing thefin 230 from being brought into contact with and caught by the stackingpins 223 during falling. As a result, the sequentially receivedfins 230 can be moved to the predetermined position and stacked thereat without delay, thereby stacking thefins 230 with good alignment. -
Fig. 17 is a front view of a fin stacking apparatus according toEmbodiment 6 of the present invention.Fig. 18 is a view for illustrating a rotating movement and a vibrating movement of stacking pins in the fin stacking apparatus according toEmbodiment 6 of the present invention. In the fin stacking apparatus according toEmbodiment 1, stacking is performed under the state in which the stackingpins 23 are rotated always in the same direction. In the fin stacking apparatus according toEmbodiment 6, stacking is performed under a state in which stacking pins 323 are vibrated while the stacking pins 323 are rotated. InFig. 17 and Fig. 18 , parts having the same configuration as those of the fin stacking apparatus ofFig. 1 to Fig. 3 are denoted by the same reference symbols, and description thereof is omitted. The configuration and operation of the fin stacking apparatus itself is unchanged, and only the control method for the stacking pins 323 is changed for use. - The stacking pins 323 are vibrated by a
vibration generating mechanism 28. As a mechanism configured to vibrate the stacking pins 323, there may be employed a vibration generating device of, for example, an electric type, a hydraulic type, or a pneumatic type. The driving speed and driving width are stored in advance or determined by acontroller 7 based on data detected by a sensor (not shown) which is configured to detect a moving speed and a position of thefin 30. - The vibrating movement is not performed before insertion of the stacking pins 323 to the
fin 330 but performed after insertion of the stacking pins 323 to thefin 330. Then, the vibrating movement is stopped immediately before thenext fin 330 falls. For example, the movement is started at the timing after thesuction plate 11 is lowered and returns to the upper limit of rise. Further, the movement is stopped at a timing after thefin 330 is fed by a preset length on thesuction plate 11. This is because positions of the stacking pins 323 and the stacking holes 332 need to be registered when the stacking pins 323 are to be inserted to thefin 330. The vibrating movement of the stacking pins 323 is performed for all of the installed stacking pins 323. This is because the catching can be eliminated faster when the rotation and vibrating movements are performed by all of the stacking pins 323. - As described above, when the
fin 330 is guided by the stacking pins 323 and falls along the stacking pins 323, the stacking pins 323 are rotated and vibrated, thereby preventing thefin 330 from being brought into contact with and caught by the stacking pins 323 during falling. As a result, the sequentially receivedfins 330 can be moved to the predetermined position and stacked thereat without delay, thereby stacking thefins 330 with good alignment. - The embodiments of the present invention are not limited to
Embodiments 1 to 6 described above, and various modifications can be made thereto. For example, positions of thecontrollers 4 to 7 may be set as appropriate, and may be arranged in, for example, thesuction unit 10. Further, the vertical direction drive mechanism, the horizontal direction drive mechanism, and the vibration generating mechanism are arranged for each stacking pin, but may be collectively arranged for a plurality of stacking pins. Further, the vertical direction drive mechanism, the horizontal direction drive mechanism, and the vibration generating mechanism may be used in combination. Reference Signs List - 1
fin stacking apparatus 2press machine 3cutoff unit 4controller 5controller 6controller 7controller 10suction unit 11suction plate 12suction box 13blower 20fin stacking unit 21base 22 stackingpin drive unit 23 stackingpin 24elevator 25damper 26 verticaldirection drive mechanism 27 horizontaldirection drive mechanism 28vibration generating mechanism 30 fin 31 stackedfins 32 stackinghole 33 protrudingportion 34 fin 35fin 36fin 44clearance 53rotating direction 54vertical direction 55 advancingdirection 57axial direction 58 horizontal direction 123 stackingpin 130 fin 132 stackinghole 223 stackingpin 230 fin 232 stacking hole 323 stackingpin 330 fin 332 stacking hole
Claims (7)
- A fin stacking apparatus configured to stack a fin having a flat-plate shape and a plurality of holes formed therein, comprising:a suction plate having a plurality of holes and configured to retain the fin when suction through the plurality of holes is executed, and to cause the fin to fall when suction through the plurality of holes is not executed;a plurality of stacking pins arranged below the suction plate and configured to be inserted to the plurality of holes of the fin separated from the suction plate; anda stacking pin drive unit configured to rotate at least one of the plurality of stacking pins in a circumferential direction about an axis of the at least one of the plurality of stacking pins .
- The fin stacking apparatus of claim 1, further comprising
a controller configured to control the stacking pin drive unit,
wherein the fin moves on the suction plate, and
wherein the controller controls the stacking pin drive unit to rotate the plurality of stacking pins at a second set rotational speed until the fin is arranged at a position of separation, and to rotate the plurality of stacking pins at a first set rotational speed when the plurality of stacking pins are inserted to the fin . - The fin stacking apparatus of claim 1, further comprising a controller configured to control the stacking pin drive unit,
wherein the fin moves on the suction plate, and
wherein the controller controls the stacking pin drive unit to stop rotation of the stacking pin until the fin is arranged at a position of separation, and to rotate the plurality of stacking pins at a first rotational speed when the plurality of stacking pins are inserted to the fin. - The fin stacking apparatus of any one of claims 1 to 3, further comprising a vertical direction drive mechanism configured to reciprocally drive the plurality of stacking pins in an axial direction of the plurality of stacking pins.
- The fin stacking apparatus of any one of claims 1 to 3, further comprising a horizontal direction drive mechanism configured to reciprocally drive the plurality of stacking pins in a horizontal direction of the plurality of stacking pins.
- The fin stacking apparatus of any one of claims 1 to 3, further comprising a vibration generating mechanism configured to vibrate the plurality of stacking pins.
- The fin stacking apparatus of any one of claims 1 to 6, wherein the stacking pin drive unit is further configured to rotate all of the plurality of stacking pins.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/057813 WO2017154211A1 (en) | 2016-03-11 | 2016-03-11 | Fin stack device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3308870A4 EP3308870A4 (en) | 2018-04-18 |
EP3308870A1 true EP3308870A1 (en) | 2018-04-18 |
EP3308870B1 EP3308870B1 (en) | 2018-12-12 |
Family
ID=59790140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16847621.6A Not-in-force EP3308870B1 (en) | 2016-03-11 | 2016-03-11 | Fin stack device |
Country Status (5)
Country | Link |
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US (1) | US20190022733A1 (en) |
EP (1) | EP3308870B1 (en) |
JP (1) | JP6587736B2 (en) |
CN (1) | CN108778554B (en) |
WO (1) | WO2017154211A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019159283A1 (en) * | 2018-02-15 | 2019-08-22 | 三菱電機株式会社 | Fin stack device |
CN117049138B (en) * | 2023-10-12 | 2024-01-02 | 法孚低温设备(苏州)有限公司 | Production and processing equipment for plate-fin heat exchanger |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4195540A (en) * | 1978-05-11 | 1980-04-01 | Burr Oak Tool & Gauge Company | Fin collection and transport apparatus |
US4286486A (en) * | 1978-05-11 | 1981-09-01 | Burr Oak Tool & Gauge Company | Fin collection and transport apparatus |
IT1166839B (en) * | 1979-05-18 | 1987-05-06 | Omg Off Macch Grafic | SPEAKER DEVICE, IN PARTICULAR FOR THE SEGMENT OF SIGNATURES OR SHEETS IN THE FORMATION OF STACKS IN BINDING MACHINES, FOR EXAMPLE LOADERS |
JPS56165538U (en) * | 1980-05-14 | 1981-12-08 | ||
JPH0694053B2 (en) * | 1983-02-16 | 1994-11-24 | 株式会社日立製作所 | How to stack fins for heat exchangers |
US5202612A (en) * | 1988-01-29 | 1993-04-13 | Sinano Electric Co., Ltd. | Concrete vibrator |
JPH02142630A (en) * | 1988-06-27 | 1990-05-31 | Matsushita Refrig Co Ltd | Press device for plate fins |
JP2784289B2 (en) * | 1991-12-17 | 1998-08-06 | 日高精機株式会社 | Metal strip feeder |
US5588345A (en) * | 1993-11-22 | 1996-12-31 | Burr Oak Tool & Gauge Company | Fin sheet control apparatus for press |
JPH08132163A (en) * | 1994-11-11 | 1996-05-28 | Toshiba Corp | Tube inserting device and fin laminating device |
US6231299B1 (en) * | 1999-11-05 | 2001-05-15 | John Robert Newsome | Apparatus for aligning stacked documents moving along a conveyor |
JP5004979B2 (en) * | 2009-02-20 | 2012-08-22 | 三菱電機株式会社 | Fin stack device |
JP5295290B2 (en) * | 2011-03-04 | 2013-09-18 | 日高精機株式会社 | Flat tube fin manufacturing equipment |
JP5594674B2 (en) * | 2012-10-03 | 2014-09-24 | 日高精機株式会社 | Stack device and flat tube fin manufacturing device |
JP6298395B2 (en) | 2014-02-07 | 2018-03-20 | 東芝キヤリア株式会社 | Heat exchanger manufacturing apparatus and manufacturing method |
CN104826957B (en) * | 2014-02-07 | 2017-04-12 | 东芝开利株式会社 | Manufacturing apparatus and manufacturing method of heat exchanger |
-
2016
- 2016-03-11 EP EP16847621.6A patent/EP3308870B1/en not_active Not-in-force
- 2016-03-11 JP JP2018503973A patent/JP6587736B2/en active Active
- 2016-03-11 CN CN201680082930.3A patent/CN108778554B/en not_active Expired - Fee Related
- 2016-03-11 WO PCT/JP2016/057813 patent/WO2017154211A1/en active Application Filing
- 2016-03-11 US US16/067,155 patent/US20190022733A1/en not_active Abandoned
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US20190022733A1 (en) | 2019-01-24 |
CN108778554A (en) | 2018-11-09 |
WO2017154211A1 (en) | 2017-09-14 |
EP3308870A4 (en) | 2018-04-18 |
CN108778554B (en) | 2020-11-03 |
EP3308870B1 (en) | 2018-12-12 |
JPWO2017154211A1 (en) | 2018-10-11 |
JP6587736B2 (en) | 2019-10-09 |
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