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A fully automatic indexing chuck stuck alarm device

A technology of automatic indexing chuck and alarm device, applied in the field of hydraulic components, can solve problems such as large losses

Active Publication Date: 2018-05-11
MICAUTO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the cost of false positives or false negatives is greater

Method used

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  • A fully automatic indexing chuck stuck alarm device
  • A fully automatic indexing chuck stuck alarm device
  • A fully automatic indexing chuck stuck alarm device

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Such as Figure 1 to Figure 6 Shown is a fully automatic indexing chuck jamming alarm device, a fully automatic indexing chuck jamming alarm device, the indexing chuck 1 is provided with a rotatable block seat 2 and two groups for pushing the card The block seat 2 rotates and locks the locking device 3 of the block seat 2. Each group of locking devices 3 includes a piston chamber 31, a guide groove 32 and a piston 33. The piston chamber 31 communicates with the guide groove 32, and the piston 33 includes a piston head. part 331 and a piston rod 332, the free end of the piston rod 332 is provided with an inclined surface 333 that fits the block seat 2, the piston head 331 is arranged in the piston chamber 31, and the piston rod 332 extends from the piston chamber 31 to the guide groove 32, The piston chamber 31 is provided with a detection oil port 4 near the gu...

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Abstract

The invention relates to the technical field of hydraulic elements, in particular to a full-automatic index chuck jamming warning device. A clamping block seat which can rotate and two sets of locking devices used for pushing the clamping block seat to rotate and locking the clamping block seat are arranged in an index chuck. Each set of locking device comprises a piston chamber, a guide groove and a piston, wherein the piston chamber communicates with the guide groove, the piston comprises a piston head and a piston rod, the free end of the piston rod is provided with an inclined face part attached to the clamping block seat, a detection oil opening is formed in the position, close to the guide groove, of the piston chamber, the detection oil opening communicates with an oil distributor through a detection oil way, the oil distributor is provided with a pressure detection guide groove; a second piston is arranged in the pressure detection guide groove, and the oil distributor is provided with a stroke detection device used for detecting the stroke of the second piston. The pressure of the piston chambers is transmitted through hydraulic oil, pressure detection is converted into stroke detection through the second pistons, whether the clamping block seat rotates by a preset angle or not and is in a locked state or not can be accurately detected, and the false warning possibility is low.

Description

technical field [0001] The invention relates to the technical field of hydraulic components, in particular to an automatic indexing chuck jamming alarm device. Background technique [0002] At present, there is a risk in the use of indexing chucks. Due to various reasons, the workpiece cannot be indexed according to the requirements of program control. As a result, the workpiece will be scrapped if it is mild, and the CNC machine tool will crash if it is serious, and the indexing chuck and the main shaft of the turret of the machine tool will be damaged. [0003] The existing jamming alarm devices in China often only judge whether the indexing part of the chuck is in place by detecting the pressure change of a certain hydraulic circuit. Since the indexing cycle of the indexing chuck is only 0.4 seconds to 1 second, the pressure fluctuation or Conduction hysteresis and sensor insensitivity lead to false alarms or false negatives. Due to the extremely low probability of a re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B11/08F15B15/14
CPCF15B11/08F15B15/14
Inventor 潘峰
Owner MICAUTO TECH
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