Lifting mechanism of bender
A lifting mechanism and bending machine technology, applied to heat exchange equipment, etc., can solve problems such as fins are easily crushed, tube fins are loose and deformed, and affect the heat transfer performance and reliability of the heat exchanger, so as to prevent collapse and pressure bad, easy to operate, simple structure effect
Active Publication Date: 2013-06-19
OMS MASCH CO LTD
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Problems solved by technology
In this process, the contact stress between the local fins and the bending mold is higher than that of the single-layer heat exchanger, which causes the local fins to be easily crushed after bending, and the tube-fin connection is loose and deformed, thus affecting the heat transfer performance and performance of the heat exchanger. reliability
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0021] A bending machine, comprising a frame 1, a controller 2, a rotating roller 3, a rotating roller driving mechanism 10, a lower pressing plate 4 and a follower plate 5, the rotating roller 3 driven by the rotating roller driving mechanism 10 is horizontal in a horizontal plane Pivoted on the top of the frame 1, the upper pressing plate 6 is mounted on the rotating roller 3, and the lower pressing plate 4 is parallel to the upper pressing plate 6.
[0022] A lower pressing plate guide mechanism 20 and a lower pressing plate driving mechanism 30 are arranged between the lower pressing plate 4 and the upper pressing plate 6, and the lower pressing plate driving mechanism 30 drives the lower pressing plate 4 to slide along the lower pressing plate guiding mechanism 20 so that the lower pressing plate 4 approaches or moves away from the upper pr...
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The invention relates to a component of bend forming equipment of a heat exchanger, specifically relates to a lifting mechanism of a bender capable of bending a heat exchanger, and in particular relates to a lifting mechanism of a bender capable of adopting a layered bending and forming process for a multi-layer heat exchanger. The lifting mechanism comprises a rack, a lifting platform, a screw, a nut, a nut seat, a driven chain wheel, a transmission chain, a drive chain wheel, a speed reducer and a servo motor, wherein the nut seat is fixed on a bottom plate of the rack; the nut is pivoted in the nut seat; the driven chain wheel is fixed with the nut; the screw is fixed at the bottom of the lifting plate in a vertical manner, and passes through the driven chain wheel to cooperate with the nut; and the driving chain wheel drives the driven chain wheel through the transmission chain. The lifting mechanism provided by the invention has the following advantages: 1, the height of a follower plate is adjusted in a servo manner, automatic lifting is realized, and positioning is accurate; 2, the layered bending reduces the pressure applied on the heat exchanger and prevents the fin from collapsing and crushing; and 3, the structure is simple, the layout is reasonable, the manufacturing is easy and the operation is convenient.
Description
technical field [0001] The invention relates to a part of a bending forming equipment for a heat exchanger, in particular to a lifting mechanism of a bending machine capable of bending a heat The lifting mechanism of the bending machine for the layer bending forming process. Background technique [0002] As a compact heat exchanger, the tube-fin heat exchanger has a wide range of applications in the refrigeration industry. With the technical development of the air conditioning and refrigeration industry, and the further strict control of environmental protection regulations, the requirements for the heat exchange performance of the heat exchange unit itself are more stringent to compensate for the low performance of alternative refrigerants. Therefore, the heat exchanger structure (type of heat exchange tubes and fins) and the related heat exchanger forming process are important factors affecting the heat exchange performance, and are of great significance for improving the...
Claims
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IPC IPC(8): B21D7/08B21D53/06
Inventor 龙晓斌
Owner OMS MASCH CO LTD