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Circular pressing device of pressure-bearing solar water heater heat collection plate

A technology of solar water heater and heat collecting plate, applied in the field of heat generation and utilization, can solve the problems of complex processing technology, stress concentration, increased production cost, etc., and achieve the effects of simple operation, high pressure bearing limit, and reduction of scrap rate

Active Publication Date: 2012-03-07
YUXI XINGHONG SOLAR ENERGY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Similarly, the external aluminum or copper heat absorbing parts are first processed into fins with semi-circular hole tubes, which are prone to stress concentration through riveting and welding, and the processing technology is complicated, resulting in increased production costs

Method used

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  • Circular pressing device of pressure-bearing solar water heater heat collection plate
  • Circular pressing device of pressure-bearing solar water heater heat collection plate
  • Circular pressing device of pressure-bearing solar water heater heat collection plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The radius of the small part of the cylinder at both ends of the rounding wheel is 99 mm, and the position is at the place where the semicircle groove 8 in the middle of each rounding wheel set 4 and the back rounding wheel set 5 extends 11 mm from the tangent point of the circumference to both sides. Width is 13mm; Front drive motor 6 links to each other with the axle of front rubber wheel set 2, and rear drive motor 7 links to each other with the axle of rear pressure circle wheel set 5.

[0029] The pre-made semi-finished heat collecting plate is sent to the front rubber wheel group 2, and the first pressing round wheel group 4 of the pressure-bearing solar water heater heat collecting plate rounding device is used to close the seam for the first time, so that the soft aluminum strip and The pre-embedded pipe is attached to the outer surface of the hard tributary copper pipe, and then with the thrust of the front drive motor 6, the heat collecting plate is sent to the...

Embodiment 2

[0032] The radius of the small part of the cylinder at both ends of the rounding wheel is 149.2mm, which is located at the semicircular groove 8 in the middle of each rounding wheel set 4 and the back rounding wheel set 5 and extends 10.5mm to both sides. Place, width is 12mm; Front drive motor 6 links to each other with the axle of front rubber wheel set 2, and rear drive motor 7 links to each other with the axle of rear pressure circle wheel set 5.

[0033]A travel switch 9 is arranged in front of the front rubber wheel group 2 of the device, and the travel switch 9 is connected with the regulating mechanism 10 controlling the front pressure round wheel group 4 to control the distance between the two pressure round wheels; the lower contact point of the travel switch 9 There is a distance of 0.5mm between the blank parts on both sides of the pre-embedded pipe of the semi-finished heat collector plate with qualified quality. If there are defects such as bending and deformation...

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Abstract

The invention provides a circular pressing device of a pressure-bearing solar water heater heat collection plate, belonging to the field of generation and utilization of heat and mainly overcoming the defects of machine shaping before composition by penetrating a copper pile and the machine shaping before riveting, welding, and the like. The circular pressing device is used for carrying out circular pressing and seaming processing on the pressure-bearing solar water heater heat collection plate, realizing the seaming and the circular pressing of the pressure-bearing solar water heater heat collection plate through a circular pressing wheel set and a detection device without causing any deformation of the branched copper pipe embedded in the heat collection plate or influencing the pressure-bearing capability of the heat collection plate, has better final pressure-bearing effect, greatly enhances the quality of the pressure-bearing solar water heater heat collection plate and has simple processing process; in addition, compared with the traditional process, the invention greatly enhances the automation degree and the fineness degree and can reduce the water leakage proportion of the pressure-bearing solar water heater heat collection plate and the rejection ratio in the production process.

Description

technical field [0001] The invention belongs to the field of heat generation and utilization. Background technique [0002] Flat-panel solar water heaters widely use aluminum sheets and copper tubes as heat collecting plates, which are connected by copper-aluminum composite heat-absorbing fins and copper heat-collecting tubes. The heat-absorbing fins are characterized by sandwiching copper between two aluminum plates. The tube, through the rolling composite process, makes the aluminum-copper and aluminum-aluminum closely bonded (basically achieves metallurgical bonding), after surface coating, the pre-flattened copper tube is blown into shape by high-pressure water or compressed air, and heat transfer The thermal resistance is small, so it has high fin efficiency. In addition, the inner wall of the channel of this heat-absorbing fin is made of copper, so it has the advantages of corrosion resistance and long life. [0003] However, the traditional heat collector only has tw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D5/10
Inventor 雷兴红林晓聪雷飞
Owner YUXI XINGHONG SOLAR ENERGY EQUIP
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