JPH06114455A - Device for forming multiple row corrugated fin - Google Patents

Abstract

PURPOSE:To provide a multiple row corrugated fin forming device which can prevent a fin fed in a feeding roll from lapping and accurately decide the pitch. CONSTITUTION:A corrugate cutter, a slit roll which is arranged on the upper stream side of the corrugate cutter and cuts a fin material conveyed on paths 15, 17 into two sheets, and a feeding roll 19 which is arranged on the down stream side of the corrugate cutter and decides the pitch of two rows of corrugated fins 7, 8 formed with the corrugate cutter are provided. Then, a partitioning member 21 which separates two row corrugated fins 7, 8 to be fed to the feeding roll 19 is arranged on the paths 15, 17 and also a groove 27 for interposing the partitioning member 21 is arranged on the outer circumference of the feeding roll 19.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corrugated fin molding apparatus for manufacturing a corrugated fin by molding a fin material.

[0002]

2. Description of the Related Art Conventionally, corrugated fins used for heat exchangers such as radiators are disclosed in, for example, Japanese Patent Laid-Open No. 3-24322.
Although it is manufactured by a corrugated fin forming device as disclosed in Japanese Patent Publication No. 2, a so-called multi-row corrugated fin forming device capable of manufacturing two corrugated fins at a time is known.

FIG. 4 is a side view of a multi-row corrugated fin forming apparatus of this type, and FIG. 5 is a plan view thereof. In the conventional multi-row corrugated fin forming apparatus, a fin from a roll around which a fin material 1 made of aluminum is wound is used. After pulling out the material 1 and cutting it into two pieces with a slit roll 3 composed of an upper cutting ring 3a and a lower cutting ring 3b, the material is supplied to a pair of upper and lower gear-shaped corrugated cutters 5 where the two fin materials 1 are The corrugated fins 7 and 8 each having two corrugated corrugated shapes are formed, and then the corrugated fins 7 and 8 are compressed by a gear-shaped delivery roll 9 to provide a fin pitch, and then the corrugated fin cutting device corrugates the corrugated fins. Each of the fins 7 and 8 is cut into a predetermined size, and two corrugated fins having the same shape are manufactured at a time.

Further, a tension device 11 similar to the conventional one is arranged on the upstream side of the slit roll 3, and the fin member 1 is pressed by the tension device 11 in a direction orthogonal to the movement thereof. By increasing the friction resistance of the corrugated fins 7, 8, the height of the corrugated fins 7 and 8 is adjusted. In FIG. 5, 13 are guides arranged on both sides of the fin passage.

[0005]

However, conventionally, the corrugated fins 7 and 8 fed into the feed roll 9 are vibrating vertically in the fin passage and are moving. When the transport speed of the corrugated fins 7 and 8 exceeds 60 meters per minute, the vibrations cause the inner ends 7a and 8a of the two rows of corrugated fins 7 and 8 to overlap with each other and be fed to the roll 9. However, there is a possibility that the pitch cannot be accurately determined by the delivery roll 9.

The present invention has been devised in view of such circumstances, and a multi-row corrugated fin forming apparatus capable of preventing the corrugated fins fed to the delivery roll from overlapping and accurately determining the pitch of the corrugated fins. The purpose is to provide.

[0007]

In order to achieve such an object, the present invention provides a pair of upper and lower gear-shaped corrugated cutters in a passage of a fin member, and an upstream side of the corrugated cutter. A slit roll for cutting the conveyed fin material into two sheets, and a pair of upper and lower gear-shaped delivery rolls arranged on the downstream side of the corrugated cutter for determining the pitch of the two rows of corrugated fins formed by the corrugated cutter. In a multi-row corrugated fin forming device equipped with
A partition member for separating the corrugated fins in a row is provided, and a groove for interposing the partition member is provided on the outer circumference of the delivery roll.

[0008]

According to the present invention, as in the conventional case, the fin material is cut into two pieces by a slit roll, and then formed into two corrugated corrugated fin corrugated fins by a corrugated cutter, and the pitch is determined by a delivery roll. Is done.

The corrugated fins fed into the delivery rolls vibrate vertically in the passage and travel, but the partition member delivers the corrugated fins and separates them right and left immediately before the rolls to deliver them. Prevents the inner ends of the corrugated fins fed into the roll from overlapping.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. Since the configuration excluding the invented portion is the same as that of the conventional example shown in FIG. 4 and subsequent figures, description thereof will be omitted here and only the invented portion will be described. The same parts as those in the above-mentioned conventional example are indicated by the same reference numerals.

In FIGS. 1 and 2, reference numerals 15 and 17 denote passages of the fin material 1 arranged with the delivery roll 19 interposed therebetween, and two rows formed on the passages 15 and 17 by the corrugated cutter 5 The corrugated fins 7 and 8 are conveyed in the arrow direction.

Further, in the figure, reference numeral 21 is a partition member 21 having a substantially rectangular cross section in which an end portion on the corrugated cutter 5 side is formed into an acute angle.
Then, the partition member 21 sends out the corrugated fins 7 and 8 that vibrate vertically on the passage 15 to move and roll the corrugated fins 19.
Immediately before the separation, the inner end portions 7a and 8a of the corrugated fins 7 and 8 fed into the delivery roll 19 are prevented from overlapping each other right and left.

The partition member 21 is installed between mounting grooves 23 and 25 provided in the center of the end portions of the passages 15 and 17 along the traveling direction of the corrugated fin 7. Then, in order to separate the two rows of corrugated fins 7 and 8 that move on the passage 15 by vibrating, into the right and left by the partition member 21,
As shown in FIG. 3, the partition member 21 includes the upper surface 15 of the passage 15.
It is mounted in the mounting groove 23 so as to project upward from a.

On the other hand, in the present embodiment, a pair of upper and lower gear-shaped delivery rolls 19 are provided on their outer circumferences with grooves 27 for interposing a partition member 21, respectively.
The teeth of the delivery roll 17 are divided by the left and right.

Since this embodiment is constructed in this manner, the fin material 1 pulled out from the roll is cut into two pieces by the slit roll 3 and the corrugated cutter 5 is formed into a corrugated uneven shape as in the prior art. 2 rows of corrugated fins 7 and 8
Then, the pitch is determined by the delivery roll 19 after molding.

The corrugated fins 7 and 8 fed to the delivery roll 19 travel violently in the vertical direction on the passage 15, and the partition member 21 delivers the corrugated fins 7 and 8 to the roll. The inner end portions 7a and 8a of the corrugated fins 7 and 8 fed into the feeding roll 19 are prevented from overlapping each other by separating them into right and left just before 19.

Therefore, even if the conveying speed of the corrugated fins 7 and 8 exceeds 60 meters per minute, the inner ends 7a and 8a of the two rows of corrugated fins 7 and 8 are superposed on each other and are fed into the roll 19. Therefore, according to the present embodiment, the delivery roll 19 is not used.
It became possible to accurately determine the pitch.

[0018]

As described above, according to the multi-row corrugated fin forming apparatus according to the present invention, even if the two rows of corrugated fins fed into the delivery roll are conveyed at medium and high speeds, the inside of the corrugated fins is conveyed. Since the ends are not overlapped with each other and fed into the delivery roll, it is possible to more accurately determine the pitch by the delivery roll than in the conventional case.

[Brief description of drawings]

FIG. 1 is a plan view of a main part of a multi-row corrugated fin forming apparatus according to an embodiment of the present invention.

FIG. 2 is a side view of essential parts of a multi-row corrugated fin forming apparatus according to an embodiment of the present invention.

3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a side view of a conventional multi-row corrugated fin forming apparatus.

FIG. 5 is a plan view of the multi-row corrugated fin forming apparatus shown in FIG.

[Explanation of symbols]

 1 fin material 5 corrugated cutter 7,8 corrugated fins 15,17 passage 19 delivery roll 21 partition member 23,25 mounting groove 27 groove

Claims (1)

[Claims] 1. Passages (15, 17) for fin material (1)
A pair of upper and lower gear-shaped corrugated cutters (5),
A slit roll (3), which is arranged on the upstream side of the corrugated cutter (5) and cuts the fin material (1) conveyed on the passages (15, 17) into two sheets, and the downstream side of the corrugated cutter (5). 2 rows of corrugated fins (7, 8), which are formed by the corrugated cutter (5)
A pair of upper and lower gear-shaped delivery rolls (1
9) In a multi-row corrugated fin forming device equipped with
A partition member (21) for separating the two rows of corrugated fins (7, 8) fed into the delivery roll (19) is provided in the passages (15, 17), and at the outer periphery of the delivery roll (19), A multi-row corrugated fin forming apparatus, characterized in that a groove (27) for interposing the partition member (21) is provided.