Offset strip fin and manufacture method thereof
A manufacturing method and fin technology, applied in lighting and heating equipment, heat exchange equipment and other directions, can solve problems such as increased working hours, and achieve the effect of reducing working hours
Inactive Publication Date: 2013-06-12
SHOWA DENKO KK
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Problems solved by technology
[0006] However, according to the method described in Patent Document 2, since the solid crystal laser irradiates the surface of the flat plate with laser light and penetrates it, slits whose longitudinal direction is the width direction of the flat plate are formed in a zigzag pattern on the surface of each flat plate. After loading, insert the stacked plates between the punches and dies arranged up and down, and move each plate intermittently along its length direction at intervals of slits, and perform the above-mentioned punches at half pitches. The movement in the left and right directions and the stamping process by the punch and the die, therefore, it is necessary to move the plate, the punch and the die in two directions, and there is a problem of increasing man-hours
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[0056] Hereinafter, embodiments of the present invention will be described with reference to the drawings. This embodiment is an embodiment in which the staggered fins of the present invention are applied to an oil cooler for industrial machinery.
[0057] figure 1 represents the overall structure of an oil cooler with staggered fins of the present invention, Figure 2 ~ Figure 4 Indicates the structure of its main part.
[0058] In addition, in the description related to the oil cooler, the downstream side of the ventilation direction ( figure 1 In the direction indicated by the arrow W, figure 2 left and Figure 4 The upper side) is defined as the front, the opposite side is defined as the rear, and the up, down, left and right when the front is viewed from the rear are defined as up, down, and left.
[0059] figure 1 Among them, the oil cooler 1 used in industrial machinery has: a pair of aluminum header tanks 2, 3 arranged at intervals in the left and right directio...
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Abstract
The invention provides an offset strip fin and a manufacture method thereof which enable working hours for manufacture to be reduced. The offset strip fin (15) comprises wave tops (24), wave bottoms (25) and connecting parts (26). Being overlooked, the wave tops (24) and the wave bottoms (25) are arranged side by side on a straight band area (Z) with a certain width to form wave plates (23). A plurality of the wave plates (23) are arranged side by side in the width direction of the band area (Z) and are connected together to form the offset strip fin. The wave tops (24) of two adjacent wave plates (23) are staggered mutually and the wave bottoms (25) of the two adjacent wave plates (23) are staggered mutually in the length direction of the band area (Z). The wave tops (24) and the wave bottoms (25) of the plurality of wave plates (23) arranged side by side continuously are connected integrally, so that wave top rows (27) located on lines tilting towards one end of the length direction from one side edge to the other side edge of the width direction and wave bottom rows (28) located on the lines tilting toward the direction the same as that of the wave top rows (27) from one side edge to the other side edge of the width direction are arranged side by side alternatively.
Description
technical field [0001] The present invention relates to staggered fins used in heat exchangers such as oil coolers and aftercoolers of industrial machines such as compressors, working machines, and hydraulic equipment, and a method of manufacturing the same. [0002] In this specification, the term "aluminum" includes aluminum alloys in addition to pure aluminum. Background technique [0003] As known, the staggered fins are composed of wave tops, wave bottoms, and connecting parts connecting the wave tops and wave bottoms, and the wave tops and wave bottoms are juxtaposed in a straight band-shaped region with a certain width when viewed from above. It becomes a corrugated plate, and the corrugated plates are arranged in parallel along the width direction of the strip-shaped region and integrally connected with each other, thereby forming staggered fins, and the corrugated tops and corrugated bottoms of two adjacent corrugated plates , misaligned in the length direction of ...
Claims
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Login to View More IPC IPC(8): F28F7/00B23P15/26
Inventor 岸正幸信末满中田圭一
Owner SHOWA DENKO KK