JP2002102938A - Corrugated fin manufacturing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely perform the adjustment of a tension measuring unit in regard to a corrugated fin manufacturing apparatus used for a heat exchanger such as a radiator and the like. SOLUTION: The corrugated fin manufacturing apparatus is provided with tension giving units 19 and 21 giving tension to fin material 13 that is arranged in the upstream-side and downstream side of a slit working unit 11 and that is separated in two rows, the tension measuring unit 27 measuring tension of fin material 13 separated in two rows and a corrugating unit 29 corrugating fin material 13 that is arranged in the downstream-side of the tension measuring unit 27. The tension measuring unit 27 is provided with a main body portion 41 measuring the tension of the fin material 13 separated in two rows and a rotatably moving means 45 capable of rotatably moving the main body portion 41 against a base 43.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corrugated fin manufacturing apparatus for manufacturing a corrugated fin used in a heat exchanger such as a radiator.

[0002]

2. Description of the Related Art A corrugated fin manufacturing apparatus for manufacturing a corrugated fin used in a heat exchanger such as a radiator is disclosed in, for example, Japanese Patent Application Laid-Open No. H6-55224. FIG. 7 shows a corrugated fin manufacturing apparatus disclosed in this publication.
In this device, a fin material 1 wound around a coil is supplied to a tension applying device 2 and given a predetermined tension, and then separated into two rows by a slit roll 4 of a slit processing device 3.

After that, the fin material 1 separated into two rows is
Corrugation is performed by the corrugating cutter 6 of the corrugating device 5, the corrugated shape is formed, and the corrugated fins 9 are delivered by the delivery roll 8 of the delivery device 7.

[0004]

However, in such a corrugated fin manufacturing apparatus, various factors such as variations in the accuracy of the corrugating apparatus 5 and in the amount of lubrication, etc.
There has been a problem that the tension of the fin material 1 separated into two rows by the slit processing device 4 fluctuates at the position of the corrugation processing device 5 and it becomes difficult to manufacture the corrugated fin 9 with high molding accuracy.

Therefore, a tension measuring device for measuring the tension of the fin material 1 divided into two rows is arranged between the slit processing device 4 and the corrugating device 5 to feedback-control the tension applying device 2. Are being considered. However, when the fin materials 1 separated into two rows pass through a tension measuring roll that moves up and down, the fin materials 1 meander or overlap, and the fin materials 1 are easily damaged. A fine adjustment of the measuring device is required, which causes a problem that a long time is required for the adjustment.

The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a corrugated fin manufacturing apparatus capable of easily and reliably adjusting a tension measuring apparatus.

[0007]

According to a first aspect of the present invention, there is provided a corrugated fin manufacturing apparatus comprising: a slit processing apparatus for forming a slit in a continuously supplied fin material and separating the fin material into two rows; The above-mentioned 2
A tension applying device that applies tension to the fin material separated into rows, and a tension measuring device that is arranged downstream of the tension applying device and the slit processing device and that measures the tension of the fin material separated into two rows. , Disposed on the downstream side of the tension measuring device,
A corrugating device for corrugating the fin material separated into rows, wherein the tension measuring device includes a main body for measuring the tension of the fin material separated into the two rows, and a base mounted on the main body. And turning means for turning with respect to.

The corrugated fin manufacturing apparatus according to claim 2 is
The corrugated fin manufacturing apparatus according to claim 1, wherein the main body is provided with a pair of support rolls that support the fin material separated in the two rows and arranged at a horizontal interval.
A tension measuring roll disposed between the pair of support rolls so as to push the fin material toward the support roll and measuring a tension of the fin material separated into the two rows.

According to a third aspect of the present invention, there is provided a corrugated fin manufacturing apparatus.
3. The corrugated fin manufacturing apparatus according to claim 1, wherein the main body is disposed on the base via a support, and the rotating unit protrudes downward from a center of the support. 4. And a bearing disposed on the upper surface of the base and rotatably supporting the pin member.

According to a fourth aspect of the present invention, there is provided a corrugated fin manufacturing apparatus.
The corrugated fin manufacturing apparatus according to any one of claims 1 to 3, wherein one and the other of the fin materials separated into two rows are guided to an inlet of the corrugated processing apparatus via a step. It is characterized in that guide means are arranged.

(Function) In the corrugated fin manufacturing apparatus of the first aspect, a tension measuring device is arranged between the slit processing device and the corrugated processing device.

Adjustment of the tension measuring device is performed by setting the main body portion to be rotatable with respect to the base, and flowing the fin material in the same state as when manufacturing the corrugated fin.

That is, when the fin material is caused to flow through the tension measuring device in the same state as when the corrugated fin is manufactured, the main body is freely rotated by a small angle with respect to the base and separated into two rows. The position of the main body is automatically adjusted so that the finned material flows most smoothly. Then, at the automatically adjusted position, the main body is fixed to the base, and the adjustment of the tension measuring device is completed.

In the corrugated fin manufacturing apparatus according to the second aspect, the tension of the fin material divided into two rows is measured by pushing the fin material toward the support roll by the tension measuring roll. In the corrugated fin manufacturing apparatus according to the third aspect, the main body is disposed on the base via the support.

Then, when the fin material is caused to flow through the main body in the same state as when the corrugated fin is manufactured with the rotating means being free, the main body is rotated about the pin member of the support. . In the corrugated fin manufacturing apparatus according to claim 4,
Guide means is arranged at the entrance of the corrugating apparatus.

The guide means has a step, and the step prevents one and the other of the fin members separated into two rows from overlapping.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the corrugated fin manufacturing apparatus of the present invention. In FIG.
Shows a slit processing apparatus that forms a slit 15 in the fin material 13 supplied continuously and separates it into two rows.

This slit processing apparatus 11 has a pair of slit rolls 17 and a pair of slit rolls 1.
By supplying a fin material 13 made of aluminum between the fins 7, a slit 15 is formed at the center of the fin material 13, and the fin material 13 is separated into two rows. In this embodiment, before and after the slit processing device 11, tension applying devices 19 and 21 for positioning the fin material 13 at a predetermined position and applying a predetermined tension are arranged.

These tension applying devices 19, 21
Has a pair of pads 23 and 25, respectively.
A tension measuring device 27 that measures the tension of the fin members 13 separated into two rows by the slit processing device 11 is disposed downstream of the slit processing device 11.

On the downstream side of the tension measuring device 27, a corrugating device 29 for corrugating the fins 13 separated into two rows is arranged. The corrugating device 29 has a pair of corrugated cutters 31 for forming the fin material 13 into a corrugated shape. In addition,
In this embodiment, at the entrance of the corrugating device 29, a guide device 33 for positioning the fin members 13 separated in two rows at a predetermined position is arranged.

On the downstream side of the corrugating device 29, there is provided a delivery device 37 for delivering the corrugated fins 35 subjected to corrugation. The delivery device 37 includes a pair of delivery rolls 39. 2 and 3 show details of the tension measuring device 27. FIG. The tension measuring device 27 includes a main body 41 for measuring the tension of the fin material 13 separated into two rows, and a rotating unit 45 that enables the main body 41 to rotate with respect to the base 43. ing.

The main body 41 is provided with a pair of support rolls 47 which are horizontally spaced and support the fin members 13 separated in two rows, and are disposed between the pair of support rolls 47 in two rows. And a tension measuring roll 49 for measuring the tension of the separated fin material 13.
In this embodiment, the support member 51 that supports the tension measuring roll 49 is connected to the load cell 53, and the tension acting on the fin material 13 can be measured by the load cell 53.

That is, for example, a spring member capable of measuring a load corresponding to the measurement range is accommodated in the load cell 53, and the relationship between the lower end position of the spring member and the load is obtained in advance using the load for calibration. I have. Therefore, the load can be measured by measuring the lower end position of the spring member.
In addition, the main body 41 is disposed on the base 43 via the support 55.

The support portion 55 is supported on the base 43 via the rotating means 45. FIG. 4 and FIG.
The details of the rotating means 45 are shown. In this embodiment,
The rotation means 45 includes a pin member 59 protruding downward from the center of the lower plate 57 of the support portion 55, and a bearing 6 disposed on the upper surface of the base 43 and rotatably supporting the pin member 59.
1 is provided.

The bearing 61 is formed of a tapered bearing and is capable of supporting a load acting in the vertical direction and a load acting in the horizontal direction. Therefore, the lower plate 57 of the support portion 55 is mounted on the base 43 with very little frictional resistance.
It is possible to rotate freely on the top. The lower plate 57 of the support portion 55 can be fixed to the base 43 by bolts 63.

FIG. 6 shows the details of the guide device 33 disposed at the entrance of the corrugating device 29. In the guide device 33, a first guide surface 65a and a second guide surface 65b that guide one side 13a and the other 13b of the fin material 13 divided into two rows are formed on the upper surface of the guide member 65.

The first guide surface 65a and the second guide surface 65b are separated via a step 65c.
In the corrugated fin manufacturing apparatus described above, the fin material 13 wound around the coil is continuously cut by the slit processing apparatus 11.
Is supplied to the slit roll 1 of the slit processing device 11.
7 separates it into two rows.

Thereafter, the fin material 13 separated into two rows
Is supplied to the tension measuring device 27 and the fin material 13
Is measured. This tension measuring device 2
The measurement results measured at 7 are applied to the tension applying devices 1 arranged upstream and downstream of the slit processing device 11.
After being fed back to 9, 21 and always being given a predetermined tension, it is supplied to the corrugating device 29 through the guide device 33.

Thereafter, the fin material 13 is corrugated by the corrugating cutter 31 of the corrugating device 29, is formed into a corrugated shape, and is delivered by the delivery roll 39, so that two rows of corrugated fins 35 are obtained. In the above-described corrugated fin manufacturing apparatus, the adjustment of the tension measuring device 27 completely loosens the bolt 63 for fixing the lower plate 57 of the support portion 55 to the base 43, and the support portion 55
And the main body 41 is rotatable with respect to the base 43, and the slit processing device 11, the tension applying devices 19 and 21, the tension measuring device 27, the guide device 33, This is performed by flowing the fin material 13 through the corrugating device 29, the feeding device 37, and the like.

Then, as described above, the tension measuring device 2
7, when the fin material 13 is caused to flow in the same state as when the corrugated fin 35 is manufactured, the support portion 55 and the main body portion 41 freely rotate by a small angle with respect to the base 43,
The positions of the support portion 55 and the main body portion 41 are automatically adjusted so that 3 flows smoothly. Then, the lower plate 57 of the support portion 55 is fixed to the base 43 with the bolt 63 at the automatically adjusted position, whereby the adjustment of the tension measuring device 27 is completed.

In the corrugated fin manufacturing apparatus described above,
Fin material 1 in the same state as when corrugated fin 35 was manufactured
3, the main body 41 is freely rotated by a small angle with respect to the base 43, and the position of the main body 41 is automatically adjusted so that the fin material 13 flows most smoothly. Adjustment of the tension measuring device 27 can be performed easily and reliably.

In the corrugated fin manufacturing apparatus described above, the position of the tension measuring roll 49 disposed between the pair of supporting rolls 47 is measured by the load cell 53 connected to the tension measuring roll 49, and the tension applying apparatus is used. Since the tension of the fin material 13 is adjusted by performing feedback control on the fin material 19, a predetermined tension can be easily and reliably applied to the fin material 13.

Further, in the corrugated fin manufacturing apparatus described above, the rotating means 45 is provided with a pin member 59 protruding downward from the center of the support portion 55 and a pin member 59 disposed on the upper surface of the base 43 so as to be rotatable. Bearing 61
The main body 41 can be easily and reliably rotated. In the corrugated fin manufacturing apparatus described above, the one 13a and the other 13b of the fin material 13 divided into two rows are provided at the entrance of the corrugated processing apparatus 29.
Of the fin material 13 divided into two rows can be easily and reliably prevented from overlapping with each other because the guide device 33 for guiding the fin material 13 through the step 65c is provided.

In the above-described embodiment, an example has been described in which the rotating means 45 is provided on the base 43 and the supporting portion 55 and the main body 41 are configured to be rotatable. However, the present invention is limited to this embodiment. However, for example, the rotation unit 45 may be provided between the support unit 55 and the main body 41 so that only the main body 41 can be configured to be rotatable.

[0036]

As described above, in the corrugated fin manufacturing apparatus according to the first aspect, when the fin material is caused to flow in the same state as at the time of manufacturing the corrugated fin, the main body is free to move by a small angle with respect to the base. Since the position of the main body is automatically adjusted so that the fin material that rotates and the two rows of separated fin materials flow most smoothly, adjustment of the tension measuring device can be performed easily and reliably.

In the corrugated fin manufacturing apparatus according to the second aspect, the tension of the fin material divided into two rows can be easily and reliably measured by pushing the fin material toward the support roll by the tension measuring roll. Claim 3
In the corrugated fin manufacturing apparatus of (1), the rotating means is constituted by a pin member protruding downward from the center of the support portion, and a bearing disposed on the upper surface of the base and rotatably supporting the pin member. The part can be easily and surely rotated.

In the corrugated fin manufacturing apparatus according to the fourth aspect, the guide means for guiding one and the other of the fin material divided into two rows through a step is provided at the entrance of the corrugating apparatus. It is possible to easily and surely prevent one and the other of the separated fin material from overlapping.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an embodiment of a corrugated fin manufacturing apparatus according to the present invention.

FIG. 2 is a front view showing a slit processing device and a tension measuring device of FIG. 1;

FIG. 3 is a top view showing the tension measuring device of FIG. 1;

FIG. 4 is a cross-sectional view illustrating the rotating means of FIG. 2;

FIG. 5 is a top view showing the rotating means of FIG. 2;

FIG. 6 is a sectional view showing a guide device arranged at an entrance of the corrugating apparatus of FIG. 1;

FIG. 7 is an explanatory view showing a conventional corrugated fin manufacturing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Slit processing apparatus 13 Fin material 15 Slit 27 Tension measuring apparatus 29 Corrugating processing apparatus 35 Corrugated fin 41 Main part 43 Base 45 Rotating means 47 Support roll 49 Tension measurement roll 55 Support section 59 Pin member 61 Bearing 65c Step section

Claims (4)

[Claims] 1. A slit processing device (11) for forming a slit (15) in a continuously supplied fin material (13) and separating into two rows, and an upstream or downstream side of the slit processing device (11). Tension applying device (19, 21) for applying tension to the fin material (13) arranged in the two rows and separated into the two rows.
A tension measuring device (27) arranged downstream of the tension applying device (19, 21) and the slit processing device (11) and measuring the tension of the fin material (13) separated into the two rows; A corrugating device (29) disposed downstream of the tension measuring device (27) and corrugating the fin material (13) separated into the two rows; and the tension measuring device (27) comprises: A main body (41) for measuring the tension of the fin material (13) separated into two rows; and a rotating means (45) for enabling the main body (41) to rotate with respect to the base (43). ), And a corrugated fin manufacturing apparatus characterized by comprising: 2. The corrugated fin manufacturing apparatus according to claim 1, wherein said main body (41) supports a pair of fins (13) which are horizontally spaced and separated from each other in said two rows. Support roll (47)
And the fin material (1) between the pair of support rolls (47).
3) a tension measuring roll (49) arranged to press the support roll (47) side and measuring the tension of the fin material (13) separated into the two rows. Corrugated fin manufacturing equipment. 3. The corrugated fin manufacturing apparatus according to claim 1, wherein the main body (41) is disposed on the base (43) via a support (55), and the rotation is performed. The means (45) includes a pin member (59) projecting downward from the center of the support portion (55), and a pin member (5) disposed on the upper surface of the base (43).
9. A corrugated fin manufacturing apparatus, comprising: a bearing (61) for rotatably supporting the bearing (9). 4. A corrugated fin manufacturing apparatus according to claim 1, wherein the corrugated fin material (13) is divided into two rows at an inlet of the corrugated processing apparatus (29). A corrugated fin manufacturing apparatus comprising a guide means (33) for guiding one (13a) and the other (13b) through a step (65c).