JP2009299793A - Rocking device, fin sorting device, fin aligning device, and manufacturing method of heat exchanger - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fin aligning device capable of restricting the friction of a rocking device. <P>SOLUTION: A cam of a rotary drum 21 is provided by a cam rail 26. As a means for transmitting the corrugated displacement of the cam rail 26 to a following member, the following member includes first and second cam followers 34 and 35 for pinching the cam rail 26. Even if a cam grade is turned accompanied by the rotation of a rotary drum 21, the first and the second cam followers 34 and 35 are always rotated in one direction, and reverse rotation is not generated in the first and the second cam followers 34 and 35. By this structure, wear with reverser rotation can be restricted, and the looseness of a swing part can be restricted. As a result, the displacement of a corrugate fin delivery part from a fin sorting device to a tool sliding device can be prevented to prevent the deterioration of the productivity of a heat exchanger, and a maintenance interval can be widened to improve the productivity of the heat exchanger. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an oscillating device, as well as a fin distributing device, a fin aligning device, and a heat exchanger (for example, a refrigerant condenser, a refrigerant evaporator, and a radiator formed by alternately laminating fins and tubes). , Heater core, oil cooler, heat exchanger such as intercooler).

An example of the prior art will be described with reference to Patent Documents 1 and 2.
Patent Document 1 discloses a technique related to a fin alignment device used in a method for manufacturing a heat exchanger, and the fin alignment device is supplied with heat exchange fins manufactured by the fin manufacturing device. A fin distribution device that receives the fins from the conveyance unit, and swings and conveys the received fins, and a fin that sequentially receives the fins from the fin distribution device and aligns the plurality of received fins in parallel with a gap therebetween. A tool slide device.

The fin distribution device includes a swing unit having a swing groove for receiving fins from the transport unit, a shaft that rotatably supports a side close to the transport unit in the swing unit, and a jig slide device in the swing unit. And a swinging device that swings the side close to the head, and the swinging portion performs a swinging motion by the operation of the swinging device.
As a conventional technique of the oscillating device, a technique disclosed in Patent Document 2 is known. An outline of the rocking device disclosed in Patent Document 2 will be described with reference to FIG.

The swing device of the prior art includes a rotary drum J1 that is rotationally driven, and a follow-up member that includes a cam follower J3 that is inserted into a cam groove J2 (cam portion in the prior art) formed in an annular shape on the rotary drum J1. It has. The follower member swings and displaces when the cam follower J3 follows the cam gradient change in the cam groove J2.
The cam follower J3 is rotatably supported by the follower member, and the cam follower J3 rotates in contact with the cam gradient on the groove side surface of the cam groove J2, thereby reducing the contact resistance of the contact portion. ing.

Here, when the cam groove J2 rotates once with the rotation of the rotating drum J1, the cam gradient direction (inclination direction) in the cam groove J2 is reversed at least once. Here, since the cam follower J3 rotates in contact with the side surface of the cam groove J2, as shown in FIG. 1B, when the cam gradient is reversed, the contact portion α between the cam follower J3 and the cam groove J2 Switches from one groove side face β of the cam groove J2 to the other groove side face γ. As a result, the rotational direction of the cam follower J3 is instantaneously switched at the portion where the cam gradient is reversed.
FIG. 1B is a diagram for explaining that the rotation direction of the cam follower J3 is switched, and the cam follower J3 is not actually moved in the rotation direction of the rotating drum J1 (left and right direction in the figure). .

In order to switch the rotation direction of the cam follower J3, energy for stopping the rotation of the cam follower J3 and energy for applying a reverse rotation force to the cam follower J3 are required. Since these energies are given from the cam groove J2 to the cam follower J3 via the contact portion α, the friction between the cam groove J2 and the cam follower J3 increases in the portion Z where the cam gradient is reversed. As a result, wear occurs in the cam groove J2 and the cam follower J3 in the portion Z where the cam gradient is reversed.
If wear occurs in the cam groove J2 and the cam follower J3, the amount of backlash between the cam groove J2 and the cam follower J3 increases, and the swing accuracy of the swing device decreases.

Specifically, when the swinging accuracy of the swinging device is lowered, the fins are transferred from the fin distributing device to the jig sliding device, and the fins are transferred from the fin distributing device to the jig sliding device. There is a possibility that fins may be caught in the portion, and the productivity of the heat exchanger may be impaired.
Further, the wear of the cam groove J2 and the cam follower J3 increases the maintenance cost, and the production of the heat exchanger is interrupted during the replacement work of the rotating drum J1 or the cam follower J3 with the worn cam groove J2. Productivity is impaired.
JP 2007-112556 A Japanese Patent Laid-Open No. 11-314198

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a rocking device and a fin that can suppress wear between a cam portion of a rotating drum and a cam follower that rotates in contact with the cam portion. It is in providing the manufacturing method of a sorting device, a fin alignment device, and a heat exchanger.

[Means of claim 1]
The swing device (11) adopting the means of claim 1 is provided with a cam portion (26) of the rotating drum (21) by a rail-like cam rail (26) extending in the circumferential direction and continuing in an annular shape. On the other hand, the follower member (23) that is displaced following the cam rail (26) includes first and second cam followers (34, 35) that sandwich the cam rail (26).
With this configuration, the first cam follower (34) contacts only one side surface of the cam rail (26), and the second cam follower (35) contacts only the other side surface of the cam rail (26). Therefore, even if the cam gradient reverses with the rotation of the cam rail (26), the first and second cam followers (34, 35) do not reverse in the rotation direction, and always rotate in only one direction.
Thus, since the rotation directions of the first and second cam followers (34, 35) are not reversed, the occurrence of wear can be suppressed. As a result, it is possible to suppress the occurrence of rattling of the follower member (23) (including the swinging motion) over a long period of time.

[Means of claim 2]
The swing device (11) of the fin distribution device (4) employing the means of claim 2 employs the means of claim 1 above.
For this reason, generation | occurrence | production of the rattling of the oscillation part (3) driven by the rocking | swiveling device (11) is suppressed, and the oscillation accuracy of the oscillation part (3) can be improved over a long period of time.

[Means of claim 3]
The swing device (11) of the fin aligning device adopting the means of claim 3 employs the means of claim 1 as with the means of claim 2.
For this reason, generation | occurrence | production of the rattling of the oscillation part (3) driven by the rocking | swiveling device (11) is suppressed, and the oscillation accuracy of the oscillation part (3) can be improved over a long period of time.
As a result, the transfer of the fin (1) from the fin distribution device (4) to the jig slide device (6) is prevented from being displaced, and the fin distribution device (4) to the jig slide device (6) is prevented. ) Can be prevented from catching the fin (1) at the transfer portion of the fin (1) to the heat exchanger, and the productivity of the heat exchanger can be prevented from being lowered.
In addition, since the maintenance interval of the oscillating device (11) in the fin aligning device can be extended, the maintenance cost can be suppressed, and the frequency of production of the heat exchanger being interrupted by the maintenance is reduced, and the heat exchanger Productivity can be improved.

[Means of claim 4]
According to a fourth aspect of the present invention, there is provided a method of manufacturing a heat exchanger, wherein a plurality of fins (1) distributed by the fin distribution device (4) according to the second aspect or the fin alignment device according to the third aspect are separated by a gap. A heat exchanger is manufactured by sandwiching the aligned fins (1) between a plurality of tubes aligned in parallel with a gap therebetween.
Since the manufacturing method of this heat exchanger is manufactured using the rocking | swiveling apparatus (11) by which abrasion is suppressed as mentioned above, the productivity of a heat exchanger can be improved.

As the best mode 1, a fin alignment device equipped with a rocking device (11) is shown.
This fin alignment device is used in the manufacturing process of the heat exchanger, and includes a transport unit (2) to which the heat exchange fin (1) manufactured by the fin manufacturing device is supplied, and the transport unit (2). The fin distribution device (4) which receives the fin (1) from the head and swings and conveys the received fin (1), and receives the fin (1) sequentially from the fin distribution device (4) and receives the received plurality of fins A jig slide device (6) for aligning (1) in parallel with a gap therebetween.

The fin distribution device (4) includes a swing unit (3) having a swing groove (8) for receiving the fin (1) from the transport unit (2), and a transport unit (2) in the swing unit (3). A rotating shaft (9) that rotatably supports the side close to the oscillating portion, and a swinging device (11) that swings the side close to the jig slide device (6) in the oscillation portion (3). The oscillating portion (3) performs the oscillating operation by the operation of the oscillating device (11).
The oscillating device (11) is rotationally driven by an electric motor (22) and has a rotating drum (21) having an annular cam portion (26) provided with a cam gradient that changes in the direction of the rotating shaft, and the rotating drum ( And a follower member (23) that swings following the displacement of the cam portion (26) accompanying the rotation of 21).

The cam portion (26) is provided by a rail-shaped cam rail (26) extending in the circumferential direction and continuing in an annular shape.
On the other hand, the follower member (23) is in contact with the first cam follower (34) that is rotatable in contact with one axial surface of the cam rail (26) and the other axial surface of the cam rail (26). A rotatable second cam follower (35) is provided, and the first and second cam followers (34, 35) are provided with the cam rail (26) interposed therebetween.
As a result, even if the cam gradient reverses with the rotation of the cam rail (26), the first and second cam followers (34, 35) always rotate only in one direction, and the occurrence of wear is suppressed. As a result, the swing accuracy of the swing portion (3) can be increased over a long period of time, and the productivity of the heat exchanger can be improved.

The jig slide device (6) includes a pallet (5) having a plurality of pallet grooves (12) for aligning a plurality of fins (1) in parallel with a gap, and a pallet in a direction perpendicular to the pallet grooves (12). And a pallet driving section (13) for sliding (5), and the pallet driving section (13) is operated to slide the pallet (5) in a direction perpendicular to the pallet groove (12) to thereby swing the oscillating groove (8 ) And any one of the pallet grooves (12) are sequentially matched, and the fins (1) sequentially conveyed from the swing groove (8) are sequentially guided to the pallet grooves (12), and the pallet (5) The operation of aligning the plurality of fins (1) in parallel with a gap therebetween is performed.
The fins (1) aligned in parallel with a gap on the pallet (5) are sandwiched between a plurality of tubes aligned in parallel with a gap therebetween to manufacture a heat exchanger.

FIG. 1 to FIG. 5 show Embodiment 1 in which a fin sorting device is used as a fin aligning device used in a method of manufacturing a laminated heat exchanger, and the present invention is applied to the swing device of the fin sorting device. I will explain.
The stacked heat exchanger is configured by alternately stacking flat tubes and corrugated fins 1 (an example of heat exchange fins having a predetermined shape and a predetermined length), and assembling a tank at the end of each tube, Manufactured by brazing in that state. The manufacturing process of the laminated heat exchanger includes a fin insertion step of inserting corrugated fins 1 aligned in parallel with a gap between each of a plurality of tubes aligned in parallel with a gap.

In order to carry out this fin insertion step, a fin aligning device that aligns a plurality of corrugated fins 1 in parallel with gaps therebetween is used.
(Description of fin alignment device)
As shown in FIGS. 4 and 5, the fin alignment device includes (a) a conveyance unit 2 to which the corrugated fin 1 manufactured by the fin manufacturing apparatus is supplied, and (b) receiving the corrugated fin 1 from the conveyance unit 2. A fin sorting device 4 having a swinging section 3 for swinging and transporting the received corrugated fins 1; and (c) sequentially receiving the corrugated fins 1 from the fin sorting device 4, and receiving a plurality of received corrugated fins 1 It is comprised with the jig | tool slide apparatus 6 provided with the pallet 5 aligned in parallel through a clearance gap.

(Description of transport unit 2)
The conveyance unit 2 is fixedly supported, and a conveyance groove 7 that receives supply of the corrugated fins 1 from the fin manufacturing apparatus is formed. The conveying groove 7 is a groove extending in the horizontal direction with the groove opening (the opening of the concave portion forming the groove) facing upward, and at least the side of the conveying groove 7 close to the oscillation part 3 has the corrugated fin 1 conveyed. In order to guide smoothly to the oscillation part 3, it is provided in a straight line.
In the following description, the linear direction closer to the oscillation part 3 in the conveyance groove 7 will be referred to as the X-axis direction, and the horizontal direction perpendicular to the X-axis will be referred to as the Y-axis direction (in FIG. 4). See arrow).

(Description of the fin distribution device 4)
The fin distribution device 4 includes (d) a swinging portion 3 in which a swinging groove 8 that receives the supply of the corrugated fin 1 from the transporting portion 2 is formed, and (e) a side close to the transporting groove 7 (point A in FIG. 5). (See FIG. 5), and a swing shaft 9 that rotatably supports the swing unit 3 and (f) a swing that drives the side close to the pallet 5 in the swing unit 3 (see the arrow B-C direction in FIG. 5). And the moving device 11.

The swing groove 8 is provided with the groove opening facing upward and linearly extending in the horizontal direction. The groove bottom surface of the swing groove 8 is provided at the same height as the groove bottom surface of the conveying groove 7 described above. . The swing center of the swing groove 8 is provided so as to coincide with the X-axis direction.
The oscillating groove 8 on the side close to the conveying section 2 is always connected to the conveying groove 7 and conveyed from the conveying groove 7 even when the oscillating section 3 is driven to swing by the swing device 11. The fin 1 is provided so as to always guide it into the oscillation groove 8.
The rotation shaft 9 is a support shaft that extends in the vertical direction and supports the oscillation unit 3 so as to be rotatable in the horizontal direction, and the side close to the pallet 5 is supported to be rotatable in the horizontal direction.
The details of the swing device 11 will be described later.

(Description of jig slide device 6)
The jig slide device 6 includes: (g) a pallet 5 having a plurality of pallet grooves 12 that align and hold the plurality of corrugated fins 1 in parallel; and (h) the pallet 5 in the Y-axis direction (the direction of arrow D in FIG. 5). And a pallet driving unit 13 that slides in the direction E).

The pallet 5 has a rectangular shape when viewed from above, and the top surface of the pallet 5 sequentially receives the corrugated fins 1 conveyed from the conveying unit 2 through the oscillation unit 3 and receives the received plurality of corrugated fins. A plurality of pallet grooves 12 are provided for aligning 1 in parallel with a gap. The pallet groove 12 has a groove opening upward and linearly extends along the X-axis direction. The groove bottom surface of the pallet groove 12 is provided at the same height as the groove bottom surface of the oscillation groove 8 described above. Yes.
The interval between the pallet grooves 12 (distance in the Y-axis direction between the pallet grooves 12 and 12) is the tube width of the heat exchanger to be manufactured (the width of the tube sandwiched between the corrugated fins 1 and 1). ).

  As described above, the pallet driving unit 13 slides the pallet 5 in the Y-axis direction. As a specific example, the pallet driving unit 13 includes a servo motor whose rotation direction and rotation amount are controlled by energization control, and a gear device (ball gear or the like) driven by the servo motor. By controlling the direction and amount of rotation of the motor, the position of the pallet 5 in the Y-axis direction is controlled via the gear device.

(Control device for fin alignment device)
The operation of the fin aligning device is controlled by a control panel (control device) that controls each manufacturing process of the stacked heat exchanger.
Here, the fin aligning device is provided with a fin conveying air device (not shown) for moving the corrugated fin 1 manufactured by the fin manufacturing apparatus in the order of the conveying groove 7, the swinging groove 8, and the pallet groove 12. ing. The control panel controls the operation of the air device, the swing device 11 and the pallet driving unit 13.

The control panel uses a known computer, and is based on a control program stored in the storage device and various sensor signals such as a fin sensor for detecting the transport position of the corrugated fin 1. 11. Operation control of the pallet driving unit 13 is performed.
The control panel slidably displaces the pallet 5 in synchronism with the oscillating portion 3 while oscillating the oscillating portion 3, and conveys the corrugated fin 1 from the oscillating groove 8 to one of the pallet grooves 12. Is.
Further, when aligning the corrugated fins 1 on the pallet 5, the control panel aligns and supplies the corrugated fins 1 to the pallet grooves 12 from one side in the Y-axis direction. At this time, the corrugated fins 1 are supplied in a row of grooves. Then, the corrugated fins 1 are provided so as to be reversed in the final groove and supplied to the uninserted pallet grooves 12 of the corrugated fins 1 in a row.

The above alignment control example will be specifically described.
In this embodiment, for convenience of explanation, the number of pallet grooves 12 provided in the pallet 5 is ten (the number of grooves is a number for explaining the embodiment and is not limited). .
In the fin aligning device in the embodiment, two jig slide devices 6 are used. While the plurality of corrugated fins 1 are aligned in one jig slide device 6, the plurality of corrugated fins 1 aligned in parallel in the other jig slide device 6 are aligned in parallel with a gap. It is provided so that the fin insertion process inserted between each of these tubes may be implemented.

Here, the upper pallet 5 in FIG. 5 is referred to as a first pallet 5, and the lower pallet 5 in FIG. 5 is referred to as a second pallet 5.
Moreover, the pallet groove | channel 12 of the 1st pallet 5 is called the 1st groove | channel-10th groove | channel toward the upper side from the lower side of FIG.
Further, the pallet grooves 12 of the second pallet 5 are referred to as eleventh to twentieth grooves from the upper side to the lower side in FIG.

The control panel alternately repeats the operation of aligning the corrugated fins 1 on the first pallet 5 and the operation of aligning the corrugated fins 1 on the second pallet 5.
When the control panel aligns the corrugated fins 1 on the first pallet 5, the corrugated fins 1 are arranged in the second groove → the fourth groove → the sixth groove → the eighth groove → the tenth groove → the ninth groove → the seventh. Alignment in the order of groove → fifth groove → third groove → first groove.
Further, when the corrugated fin 1 is aligned with the second pallet 5, the control panel aligns the corrugated fin 1 with the 12th groove → the 14th groove → the 16th groove → the 18th groove → the 20th groove → the 19th groove → the 17th groove. The grooves are aligned in the order of the 15th groove → the 13th groove → the 11th groove.

Specifically, an example in which the corrugated fins 1 are aligned with the pallet grooves 12 of the pallet 5 will be described.
When the corrugated fin 1 is transported to the pallet groove 12, the control panel controls the swing device 11 and the pallet driving unit 13 to control the swing groove 8 and the pallet groove 12 to be transported of fins from which the corrugated fin 1 is transported. To match. That is, for example, when the corrugated fin 1 is conveyed to the first groove, the swing groove 8 and the first groove are made to coincide.
Next, the air device is controlled to convey the corrugated fins 1 to the pallet grooves 12 for fin conveyance.

At this time, before the corrugated fins 1 are transported to the pallet grooves 12 to be transported by fins, the next preliminary operation is performed in which the swinging portion 3 is rotated in advance to one rotational end in preparation for the next fin transport. To do.
Specifically, when the pallet groove 12 to be conveyed next is on the upper side in FIG. 5, the oscillation unit 3 is rotated to the lower rotation end in FIG. 5. On the contrary, when the pallet groove 12 for the next fin conveyance is on the lower side in FIG. 5, the oscillation unit 3 is rotated to the upper rotation end in FIG. 5.
During the execution of the next preliminary operation, the pallet driving unit 13 is controlled so that the oscillation groove 8 and the pallet groove 12 to be fin transported are kept in agreement.

When the conveyance of the corrugated fins 1 to the pallet grooves 12 to be fin-conveyed is completed, the control panel simultaneously operates the swing device 11 and the pallet driving unit 13 to convey the swing grooves 8 and then the corrugated fins 1. The pallet grooves 12 to be fin-fed are matched.
Specifically, when the pallet groove 12 for the next fin conveyance is on the upper side of FIG. 5, the swing unit 3 is rotated toward the upper side of FIG. 5 and the pallet 5 is directed to the lower side of FIG. 5. The swing groove 8 and the pallet groove 12 for the next fin conveyance target are quickly matched. On the other hand, when the pallet groove 12 to be transported next fin is on the lower side of FIG. 5, the swinging portion 3 is rotated toward the lower side of FIG. 5 and the pallet 5 is directed to the upper side of FIG. The swing groove 8 and the pallet groove 12 for the next fin conveyance target are quickly matched.

When the oscillating groove 8 and the pallet groove 12 for the next fin conveyance match, the corrugated fin 1 is conveyed to the pallet groove 12 for the fin conveyance by controlling the air device, and the above is repeated for each pallet groove 12. The corrugated fins 1 are sequentially conveyed, and the plurality of corrugated fins 1 are aligned on the pallet 5.
In this way, the alignment of the corrugated fins 1 on the first pallet 5 and the alignment of the corrugated fins 1 on the second pallet 5 are performed alternately.
Then, while the plurality of corrugated fins 1 are aligned on the first pallet 5, the corrugated fins 1 aligned on the second pallet 5 are inserted between the plurality of tubes, and the plurality of corrugated fins 1 are aligned on the second pallet 5. While the corrugated fins 1 are aligned, the corrugated fins 1 aligned on the first pallet 5 are inserted between the plurality of tubes.

As described above, immediately after the corrugated fin 1 is transported to the pallet groove 12 to be fin transported, the fin aligning device operates the fin sorting device 4 and the jig slide device 6 at the same time, The next fin conveyance target pallet groove 12 is quickly matched.
Thereby, switching of the pallet groove | channel 12 for fin conveyance is quick, and the time which aligns the several corrugated fin 1 to the pallet 5 can be shortened. As a result, the productivity of the heat exchanger can be improved.

(Detailed explanation of fin distribution device 4)
As described above, the fin allocating device 4 includes the oscillating portion 3 having the oscillating groove 8, the rotating shaft 9 that rotatably supports the oscillating portion 3 on the side close to the conveying groove 7, the neck Corrugated fin 11 that has a predetermined shape and a predetermined length is received from the conveying groove 7 of the conveying unit 2 and is received by the corrugating device 11. The fin 1 is conveyed toward one of the pallet grooves 12.

As shown in FIG. 3, the fin distribution device 4 is provided on the support base 14.
The lower side of the rotation shaft 9 extending in the vertical direction is rotatably supported by a bearing 15 supported by the support base 14. The upper part of the rotating shaft 9 is coupled to the side close to the conveying groove 7 in the oscillation part 3.
On the other hand, the oscillating portion 3 on the side close to the pallet 5 is supported via a swing support portion 16 so as to be swingable and displaceable in the Y-axis direction. The swing support portion 16 includes a leg portion 17 extending downward from the swing portion 3 on the side close to the pallet 5, and a cam follower 18 provided on the leg portion 17, and the cam follower 18 serves as a support base 14. By rolling on the rail 19 provided on the upper surface, the swing portion 3 on the side close to the pallet 5 is supported so as to be swingable in the Y-axis direction.

As shown in FIG. 2, the oscillating device 11 is provided on a rotary drum 21 having a rotary shaft extending in the Y-axis direction, a servo motor 22 that rotationally drives the rotary drum 21 in only one direction, and the rotary drum 21. And a follower member 23 that swings in the Y-axis direction following the displacement of the cam portion in the Y-axis direction.
The servo motor 22 has a rotation amount and a rotation speed controlled by a control panel, and rotationally drives the rotary drum 21 via rotation transmission means (pulley 24 and belt 25).

  The cam portion is provided by an annular continuous rail rail 26 extending in the circumferential direction on the outer peripheral surface of the rotating drum 21 having a cylindrical shape. The cam rail 26 is made of a hard metal such as iron and is provided integrally with the rotary drum 21. The outer peripheral edge of the cam rail 26 has a circular shape that is concentric with the rotating drum 21 when viewed from the Y-axis direction. The cam rail 26 is provided with a constant thickness in the Y-axis direction over the entire circumference. Further, the cam rail 26 undulates in the Y-axis direction when the rotary drum 21 rotates. For example, when the cam portion rotates once, the cam rail 26 is undulated and displaced in the Y-axis direction once.

The follower member 23 is fitted to a rail 27 extending in the Y-axis direction supported by the support base 14 and is slidable in the Y-axis direction. The follower member 23 is swung through a coupling means 28 provided on the upper portion. It couple | bonds with the part 3 in the Y-axis direction.
The coupling means 28 transmits the displacement of the follower member 23 in the Y-axis direction to the swing portion 3, but releases the displacement in the X-axis direction between the follower member 23 and the swing portion 3. And a cam follower 33 that is inserted into the cam groove 31 and attached to the lower surface of the swinging portion 3 via the arm 32.

The follower member 23 includes a first cam follower 34 that is rotatable in contact with one surface of the cam rail 26 in the Y-axis direction {reference symbol β} in FIG. 1 (c), and the other surface of the cam rail 26 in the Y-axis direction { In FIG. 1 (c), a second cam follower 35 that is rotatable in contact with the symbol γ} is provided. The first and second cam followers 34 and 35 are rollers made of a hard metal such as iron that is rotatably supported by a shaft extending in the X-axis direction in the follower member 23, and sandwich the cam rail 26 in the Y-axis direction. Provided.
As a result, the cam rail 26 is displaced in the Y-axis direction with the rotation of the rotary drum 21, so that the follower member 23 swings in the Y-axis direction together with the first and second cam followers 34 and 35.
That is, when the rotary drum 21 is rotated by the servo motor 22, the follow-up member 23 is displaced in the Y-axis direction, and the side close to the pallet 5 of the swing unit 3 performs a swing operation.

(Effect of Example 1)
In the fin aligning device of this embodiment, as described above, the cam portion of the rotary drum 21 is provided by the rail-shaped cam rail 26, and the cam rail 26 is provided on the follower member 23. The structure sandwiched by is adopted.
With this configuration, the first cam follower 34 contacts only one side surface of the cam rail 26, and the second cam follower 35 contacts only the other side surface of the cam rail 26. For this reason, even if the cam gradient reverses as the cam rail 26 rotates, the first and second cam followers 34 and 35 do not rotate in the rotating direction, and always rotate in only one direction.
Thus, since the rotation directions of the first and second cam followers 34 and 35 do not reverse, the occurrence of wear of the first and second cam followers 34 and 35 and the cam rail 26 can be suppressed. As a result, it is possible to suppress the backlash of the follower member 23 with respect to the cam rail 26 over a long period of time.

Thereby, the rattling of the oscillation part 3 driven by the rocking device 11 can be suppressed, and the oscillation accuracy of the oscillation part 3 can be improved. As a result, it is possible to prevent the transfer portion of the corrugated fin 1 from the fin distribution device 4 to the jig slide device 6 from being displaced, and the transfer portion of the corrugated fin 1 from the fin distribution device 4 to the jig slide device 6. It is possible to prevent the corrugated fin 1 from being caught on the surface, and it is possible to prevent the productivity of the stacked heat exchanger from being lowered.
Further, since the maintenance interval of the oscillating device 11 in the fin aligning device can be increased, the maintenance cost can be suppressed, and the frequency of interrupting the production of the stacked heat exchanger due to the maintenance is reduced. The productivity of the mold heat exchanger can be improved.

[Modification]
In the above embodiment, the present invention is applied to the swing device 11 of the fin aligning device. However, the present invention can be applied to a swing device (including a swing device) different from the fin aligning device. good. That is, the present invention may be applied to a swing device of a manufacturing apparatus used in another manufacturing process different from the heat exchanger.

It is principal part operation | movement explanatory drawing. It is a schematic top view of a rocking device. It is a schematic side view of a fin distribution apparatus. It is a schematic perspective view of a fin alignment apparatus. It is a schematic top view of a fin alignment apparatus.

Explanation of symbols

1 Corrugated fin (heat exchange fin)
DESCRIPTION OF SYMBOLS 2 Conveyance part 3 Swing part 4 Fin distribution apparatus 5 Pallet 6 Jig slide apparatus 7 Conveyance groove 8 Oscillation groove 11 Swing apparatus 12 Pallet groove 21 Rotating drum 23 Follow-up member 26 Cam rail (cam part)
34 1st cam follower 35 2nd cam follower

Claims (4)

A rotary drum (21) having an annular cam portion (26) that is rotationally driven and provided with a cam gradient that changes in the rotational axis direction (Y);
In a swinging device (11) comprising: a follower member (23) that swings following the displacement of the cam portion (26) accompanying the rotation of the rotating drum (21).
The cam portion (26) is provided by a rail-shaped cam rail (26) that extends in the circumferential direction and continues in an annular shape,
The follower member (23) is in contact with the first cam follower (34) that is rotatable in contact with one axial surface of the cam rail (26) and the other axial surface of the cam rail (26). And a second cam follower (35) that is rotatable, wherein the first and second cam followers (34, 35) are provided with the cam rail (26) sandwiched therebetween. A swing portion (3) having a swing groove (8) for receiving a heat exchange fin (1) provided in a predetermined shape and length and transporting the received fin (1) in one direction. A fin distribution device (4) that swings the swinging portion (3) and feeds the fin (1) guided by the swing groove (8) to a transport destination;
The fin distributing device (4), wherein the swinging portion (3) is driven to swing by the swinging device (11) according to claim 1 on the conveyance destination side of the fin (1). A swing portion (3) having a swing groove (8) for receiving a heat exchange fin (1) provided in a predetermined shape and length and transporting the received fin (1) in one direction. A fin distribution device (4) for swinging the swinging portion (3) and feeding the fin (1) guided to the swing groove (8) to a transport destination;
A pallet (5) having a plurality of pallet grooves (12) for aligning the plurality of fins (1) in parallel with a gap is provided, and the pallet (5) is slid from the swing groove (8) to the pallet groove (8). In the fin alignment device, comprising: a jig slide device (6) for guiding the fin (1) into the pallet groove (12) and aligning the plurality of fins (1) in parallel with a gap therebetween.
The fin swinging device (3) is characterized in that the transport side of the fin (1) is driven to swing by the swinging device (11) according to claim 1.   A plurality of fins (1) distributed by the fin distribution device (4) or the fin alignment device according to claim 2 or 3 are aligned in parallel with a gap, and the aligned fins (1) are A method of manufacturing a heat exchanger, wherein the heat exchanger is manufactured by sandwiching between a plurality of tubes aligned in parallel with a gap therebetween.

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