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Blade tooth overlap control system of cutting tool and control method of blade tooth overlap control system

A cutting tool and overlapping control technology, applied in the direction of cutting tools, cutting equipment, gardening tools/equipment, etc., can solve the problem that tools are not easy to disengage, and achieve the effect of avoiding injury

Active Publication Date: 2012-03-28
NANJING CHERVON IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the cutting tool is not easy to disengage from the cutting object after the cutting tool is stuck in the cutting process;

Method used

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  • Blade tooth overlap control system of cutting tool and control method of blade tooth overlap control system
  • Blade tooth overlap control system of cutting tool and control method of blade tooth overlap control system
  • Blade tooth overlap control system of cutting tool and control method of blade tooth overlap control system

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing and taking pruning machine as example, the present invention will be further described.

[0028] In the pruning machine of the present invention, the casing 1 and the motor 2 are included in the casing 1, and the motor 2 controls the movement of the braking blade 7 through the transmission mechanism, so that the moving blade 7 and the static blade 6 are relatively moved, and the branches are For trimming, the specific structure of the transmission mechanism and the movable blade 7 and the static blade 6 is not the key content of the present invention, which can be various existing structural modes, and will not be described in detail here.

[0029] What the present invention provides is a cutter tooth overlap control system of a pruning machine. A Hall PCB board 5 is arranged near the movable blade 7 in the casing, and a Hall element 3 is arranged on the Hall PCB board 5 . The head end of 7, that is, the end close to the mo...

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PUM

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Abstract

The invention discloses a blade tooth overlap control system of a cutting tool, which comprises a shell and double blades and is characterized in that a Hall printed circuit board (PCB) is arranged in the shell, a Hall element is arranged on the Hall PCB, a magnet is fixedly arranged at the head end of a blade 1, the blade 1 is a movable blade, the projection of one point of the motion trajectoryof the magnet on the Hall PCB is overlapped with the Hall element, and when the projection of the magnet on the Hall PCB is overlapped with the Hall element, the blade teeth of the two blades are overlapped and the Hall element is connected with a motor control circuit. By adopting the blade tooth overlap control system and a control method thereof, the cutting tool can be easily separated from acut object after the cutting tool is stuck by the cut object during cutting.

Description

technical field [0001] The invention relates to a cutter tooth overlap control system and a control method of a cutting tool with double blades, belonging to the technical field of electric tools. Background technique [0002] A cutting tool with two blades, such as a pruning machine, often encounters a situation of being unable to cut and stalling during the cutting process. At this time, the branch is stuck between the stationary blade and the moving blade, making the machine unable to disengage. It will affect further cutting. If you clean it by hand, it is easy to touch the blade and get injured. In addition, many cutting tools have two switches, the main switch and the auxiliary switch. When both switches are closed, the cutting tool will run and cut. When any switch is released, the general product will choose to brake directly, and the cutting tool will stop suddenly. , the static knife teeth and the moving knife teeth often cross, such as attached figure 2 As shown...

Claims

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Application Information

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IPC IPC(8): A01G3/08
CPCA01G3/08A01G3/00A01G3/053
Inventor 聂方杰耿正
Owner NANJING CHERVON IND