Punching device for flat tube blanking machine
A flat tube and feeder technology, applied in the field of punching devices, can solve the problems of difficult operation and complex structure, and achieve the effects of convenient operation, high processing efficiency and easy manufacturing.
Active Publication Date: 2015-09-02
CHENZHOU ZHIZAO TECH CO LTD
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- Abstract
- Description
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- Application Information
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Problems solved by technology
The existing breaking device has complex structure and difficult operation
Method used
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[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0028] As shown in the figure, a punching device 300 of a flat tube blanking machine includes: a punching frame, a punching cylinder 310, a punching plate 320, an upper mold 330, a lower mold 301, a first punching member, a second punching Cut member and lateral return spring 302;
[0029] The punching cylinder is fixed on the top of the punching frame, and the piston rod of the punching cylinder extends downward into the hollow of the punching frame and is connected with the punching plate;
[0030] The upper mold and the lower mold are fixed on the bottom of the hollow part of the punching frame, and a longitudinal flat tube channel T is formed between the upper mold and the lower mold;
[0031] The upper mold is provided with a guide post 331 extending upward, and the stamping plate is slidably sleeved on the guide post;
[0032] A transve...
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The invention relates to a punching device of a flat-tube feeder. The punching device comprises a punching frame, a punching cylinder, a punching plate, an upper die, a lower die, a first punching component, a second punching component and a transverse resetting spring. The punching cylinder is fixed at the top of the punching frame, and a piston rod of the punching cylinder is connected with the punching pate. The upper die and the lower die are fixed at the bottom of a hollow part of the punching frame. A guide post extending upwards is arranged on the upper die, and the punching plate can be slidingly sleeved on the guide post. The first punching component and the second punching component are symmetrically distributed on two sides of a flat-tube channel. The bottom of the punching plate is provided with a first push block and a second push block, an inclined face of an inner side of the first push block and an inclined face of an outer side of the first punching component are attached to drive the first punching component to approach the flat-tube channel, and an incline face of an inner side of the second push block and an inclined face of an outer side of the second punching component are attached to drive the second punching component to approach the flat-tube channel. The punching device of the flat-tube feeder is simple and reasonable in structure, convenient to operate and high in processing efficiency.
Description
technical field [0001] The invention relates to a punching device of a flat tube blanking machine, in particular to a punching device of a flat tube blanking machine for punching a notch on the side of a flat tube so as to break the flat tube. Background technique [0002] In order to improve the heat exchange efficiency of the air-cooled heat exchanger, the air-conditioning heat exchanger has been developed from the traditional tube-fin type and tube-belt type to the parallel flow type. The parallel flow heat exchanger consists of flat tubes, headers and fins. The flat tube is the carrier of the refrigerant and has a direct impact on the performance of the heat exchanger. The flat tube is usually an aluminum tube body with partitions inside. The flat tube is usually rolled into a coil and shipped from the factory. Therefore, the heat exchanger manufacturer needs to level, straighten, cut or break the flat tube before use. The existing breaking device has complex structure...
Claims
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IPC IPC(8): B21D28/02B21D28/14
Inventor 龙晓斌龙川
Owner CHENZHOU ZHIZAO TECH CO LTD