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Structure of coupling driving crankshaft for servo motor in numerical control notching machine

A technology of servo motor and AC servo motor, which is applied in the field of slotting machine for motor iron chip processing equipment, can solve the problems of high gear processing cost, increase lubrication system, complicated maintenance and other problems, achieve simple structure, high transmission precision, and reduce mold The effect of loss

Inactive Publication Date: 2013-01-30
WUHU ELECTROTECHN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of transmission has complex structure, large body vibration, high cost of gear processing, needs to add lubrication system, many vulnerable parts, and complicated maintenance

Method used

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  • Structure of coupling driving crankshaft for servo motor in numerical control notching machine

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Experimental program
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Effect test

Embodiment Construction

[0012] see figure 1 , a structure used for the servo motor on the CNC punching machine to drive the crankshaft with a coupling. The motor base 2 is installed on the outer surface of the fuselage 1 of the CNC punching machine, and the AC servo motor 3 is installed on the motor base 2. The AC servo motor The output shaft of the motor 3 is connected with the eccentric crankshaft 5 through the coupling 4, and the slider part 6 is installed on the eccentric crankshaft 5. The AC servo motor 3 directly drives the eccentric crankshaft 5 to rotate through the coupling 4, so that the slider part 6 reciprocates up and down to complete the groove punching process. The eccentric crankshaft 5 is horizontally installed on the left and right large sleeves of the fuselage through bearings, and the center line of the support shaft hole at both ends of the eccentric crankshaft is parallel to the plane of the fuselage workbench. The motor base 2 is fixed on the outer side of the fuselage of ...

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Abstract

The invention discloses a structure of a coupling driving crankshaft for a servo motor in a numerical control notching machine. A motor seat is arranged on the lateral surface of a body of the numerical control notching machine, an alternating-current servo motor is arranged on the motor seat, an output shaft of the alternating-current servo motor is connected with an eccentric crankshaft through a coupling, a sliding block part is arranged on the eccentric crankshaft, and the central line of supporting shaft holes at two ends of the crankshaft is parallel to the plane of a workbench of the body. The structure is high in transmission precision, the position, the speed and the acceleration of a punch head (a sliding block) can be accurately controlled, the notching noise is reduced, the vibration of a main unit is reduced, the loss of a die is reduced, a lubricating system is not required, the stop position of the punch head (the sliding block) can be freely selected, the operation is convenient, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the field of slotting machines for motor iron chip processing equipment, in particular to a structure for driving a crankshaft with a shaft coupling for a servo motor on a numerically controlled slotting machine. Background technique [0002] The CNC punching machine is a special equipment for single slot punching used for punching motor rotor or stator iron chip slots. The punching die for punching the motor rotor or stator core sheet is installed between the punch (slider) and the worktable, and the upper die is driven to reciprocate up and down through the up and down reciprocating movement of the punch (slider). The iron chips (punches) that need to be punched are installed on the indexing device with intermittent movement, and the iron chips (punches) are rotated according to the preset requirements through the indexing device. When the punch (slider) moves downward, the iron chip (punch) does not rotate and waits for the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D28/20
Inventor 单群来孙健张克清王钟张玮王冰陶伟伟张登坪
Owner WUHU ELECTROTECHN MACHINERY