Extrusion heat-seal processing equipment of sprinkler tubes
A technology for processing equipment and water spray belts, which is applied to belts, other household appliances, household appliances, etc., can solve the problems of difficulty in ensuring the shape of round holes, reduce system investment, and restrict water spray belts, etc., so as to achieve easy control of punching quality Effect
Inactive Publication Date: 2011-10-19
INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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Problems solved by technology
The disadvantages of this processing method are: one water spray belt can be processed at most at one time; limited by the shrinkage, if the pulling force is small, the drawing speed must be low, and the pulling force is slightly larger or the drawing speed is high, and the cylinder is easily broken; in addition, Drilling is carried out when the cylinder is continuously fed. When punching and punching back, it is easy to hang and pull the sheet, causing the forming hole to stretch and deform. When laser drilling, the shape of the round hole is also difficult to guarantee
How to improve the production efficiency of sprinkler belts and reduce system investment is still a bottleneck problem restricting the popularization of sprinkler belts to rural areas
Method used
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[0034] 1. Another set of plastic sheet extruder is installed in front of the press-fit mechanism, and the extruded plastic sheet is wound on the supporting shaft 10 of the punching mechanism, and the supporting shaft is subsequently provided with a relatively rotating needle roller 31 and a flexible backing roller 29, the plastic sheet passes between the needle roller 31 and the flexible pad roller 29 to punch out the water spray holes 21-5 in a longitudinal oblique arrangement.
[0035] Figure 5-7 The needle roller shell 31-7 of the shown punching mechanism is provided with a socket, and a punching needle 31-5 is arranged in the socket, and the top of the punching needle protrudes from the needle roller shell, and a hollow rubber column 31 is arranged around the punching needle in the socket -4, The top of the hollow rubber column is flush with the top of the punching needle. When the needle roller 31 rolls against the flexible pad roller 29, the hollow rubber column 31-4 o...
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The invention aims to provide extrusion heat-seal processing equipment of sprinkler tubes. The equipment comprises a screw extruder, a pressing mechanism arranged below an extrusion die head, a punching mechanism arranged in front of the pressing mechanism and a segmentation mechanism arranged behind the pressing mechanism in sequence, wherein the pressing mechanism comprises a flexible press roll and a water-cooled press roll; the segmentation mechanism comprises tension rolls arranged behind the pressing mechanism in sequence, a segmentation knife arranged between the tension rolls and a flattening wheel and a winding shaft which are arranged behind a segmentation station; the water-cooled press roll comprises a support shaft, an end cover and a shell provided with pressing ring-shaped beads; a cold water cavity is formed between the shell and the support shaft; and water inlet and outlet channels are arranged on the support shaft. The equipment has the following beneficial effects:12-24 sprinkler tubes can be simultaneously formed on one production line by the same equipment, thus substantially improving the production efficiency and lowering the production cost of the sprinkler tubes; the equipment is ensured to develop towards specialization and mating standardization; and the quality is easier to control to meet the soaraway market requirement of water-saving irrigationin China.
Description
technical field [0001] The invention relates to processing equipment for an extruded heat-sealed water spray belt, belonging to the technical field of agricultural water-saving irrigation equipment. Background technique [0002] Drip irrigation is the most water-saving irrigation technology. The drip irrigation belt is one of the main drip irrigation components. Through the labyrinth flow channel on it, the pressure water flow can be changed into small flow water droplets or trickles that slowly drip or flow out. However, at present, due to the high initial investment and the fact that drip irrigation is more focused on irrigating the roots of crops, the application of this technology in field irrigation such as wheat fields and lawns is limited. People have proposed the more cheap and applicable microporous water spray belt of manufacturing cost for this reason, make water spray micropore at intervals on common irrigation plastic soft belt exactly, to adapt to the irrigatio...
Claims
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IPC IPC(8): B29C69/00B29L29/00B29L31/00
Inventor 崔建伟
Owner INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI