Electric helical blade stretching machine set
A technology of helical blade and electric screw, applied in the field of screw conveyor blade manufacturing device, can solve the problems of high labor intensity and low work efficiency, and achieve the effect of reducing labor intensity and improving work efficiency
Inactive Publication Date: 2012-01-11
李正峰
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Problems solved by technology
However, when the outer diameter of the spiral is greater than 300mm, manual operation is labor-intensive. In addition, although the machine can complete the processing of two blade blanks at a time, the work efficiency is still low, which limits its application.
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[0019] The accompanying drawing discloses a schematic structural view of a preferred embodiment of the present invention without limitation, and the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0020] Such as figure 1 and figure 2 As shown, the electric screw blade stretching unit described in the present invention includes a driving motor 15, a transmission device and a spiral blade stretching device, and the transmission device includes an active transmission mechanism coaxially connected with the driving motor 15, and more than one slave The driving wheel 11 and the connecting rod 13, and the active transmission mechanism forms a parallelogram transmission mechanism with each driven wheel 11 through the connecting rod 13. The spiral blade stretching devices are at least two groups, and each group of spiral blade stretching devices is arranged in parallel. Through the positioning and connecti...
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The invention discloses an electric helical blade stretching machine set, which comprises a drive motor, a transmission device and helical blade stretching devices, wherein the transmission device comprises a driving transmission mechanism coaxially connected with the drive motor, more than one driven wheel and connecting rods, the driving transmission mechanism and each driven wheel form a parallelogram transmission mechanism via the connecting rods, the helical blade stretching devices are at least divided into two groups, each group of helical blade stretching devices are positioned and connected via brackets after being arranged in parallel, a power input end of one group of helical blade stretching devices is connected with a rotation center of the driving transmission wheel, and thepower input ends of the rest groups of helical blade stretching devices are respectively connected with the corresponding rotation centers of the driven wheels, so the invention can simultaneously stretch a plurality of helical blades so as to greatly increase the work efficiency.
Description
technical field [0001] The invention relates to a screw conveyor blade manufacturing device, in particular to a screw blade stretching device. Background technique [0002] The screw conveyor is the main equipment for conveying powdery materials in cement, grain, chemical and other industries. It is widely used and runs for a long time. Specialized manufacturers mainly use special molds and presses to form spiral blades. The forming quality is stable and the production efficiency is high, but the investment is large. And the user replaces the helical blade of wearing and tearing as buying from manufacturer, often expense is higher. [0003] The patent No. 2008201761743 published by the State Intellectual Property Office on August 5, 2009, "Horizontal Spiral Blade Stretching Machine" is a device for processing spiral blades by stretch forming. This horizontal spiral blade puller The stretching machine is assembled by screw, nut, main pipe, bearing, end cover, lead, and brac...
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IPC IPC(8): B21D11/06
Inventor 李正峰王吴光刘中元
Owner 李正峰