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Double-crank flying shear mechanism with instinct of automatically eliminating mechanism movement dead points

A double crank, motion technology, applied in the field of metallurgical enterprises, can solve the problems of difficult to achieve complete equality, difficult to make phases, etc.

Inactive Publication Date: 2014-04-30
王利霞 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, figure 1 or figure 2 crank in r 1 with crank r 2 It is difficult to make the lengths of the rods exactly equal; and the length of the connecting rod is a 1 with the aforementioned crank r 1 and r 2 center distance b 1 It is also difficult to achieve perfect equality

Method used

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  • Double-crank flying shear mechanism with instinct of automatically eliminating mechanism movement dead points
  • Double-crank flying shear mechanism with instinct of automatically eliminating mechanism movement dead points
  • Double-crank flying shear mechanism with instinct of automatically eliminating mechanism movement dead points

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Embodiment Construction

[0010] The present invention includes two sets of schemes of scheme A and B (for scheme A, see image 3 and Figure 4 ; Option B see Figure 5 and Image 6 ). Its common feature is: drive crankshaft and driven crankshaft center one of them remains stationary, and the other crankshaft center can approach or move away from that crankshaft center that remains stationary along the line connecting the two centers. Assume that the above two schemes all assume that the active crankshaft center O 1 Do not move. Support driven crankshaft O 2 There are two bearing seats in total (it can be more than two, the principle remains the same), each of them is a slider, which can automatically and synchronously approach or move away from the center of the active crankshaft from the nominal position when the mechanism reaches the dead point of motion. 1 Move a small distance δ, so that the mechanism can smoothly rush through the corresponding dead point. In order to make the above two bear...

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Abstract

The invention relates to a double-crank flying shear mechanism with an instinct of automatically eliminating mechanism movement dead points. One of two cranks of the mechanism is movable, and at least two corresponding bearing blocks supporting the moving crank become sliders, and can be driven by the moving crank to move on a body. In order to ensure the sliders to synchronize on one side during movement, a mechanical synchronizer is arranged. An axis of the moving crank is ensured to be always parallel to an axis of the non-moving crank. Therefore, necessary conditions are created for a novel shearing mechanism to easily cross the mechanism movement dead points. The problem that two sets of past shearing mechanisms in specifications cannot cross the mechanism movement dead points easily is solved satisfactorily. The novel fly shear mechanism is mainly used for shearing metal in movement just like the past shearing mechanisms, thereby still belonging to mechanical equipment in the metallurgy industry. Whether or not the related principle of the novel mechanism can be further applied to other occasions is still unclear at present.

Description

technical field [0001] The flying shear is mainly used in the metallurgical industry. It is a common equipment in the rolling workshop. It is a machine for transversely shearing the running metal strip or other cross-section billets. The invention relates to a brand-new flying shear mechanism of the technical solution. There are two sets of schemes, namely scheme A and scheme B. The principle is attached image 3 and 5 . Properly combining the flying shear mechanism involved in the present invention and installing other related components can form a brand-new flying shear of the above-mentioned principle. After the invention is implemented, it can still be used in metallurgical enterprises. Background technique [0002] The present invention is respectively improved from the double-crank flying shears that are common in metallurgical enterprises and described in rolling textbooks. For the two sets of schematic diagrams of the original double-crank flying shears, please r...

Claims

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Application Information

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IPC IPC(8): B23D25/08B23Q5/02
Inventor 不公告发明人
Owner 王利霞
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