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PLC-based Automatic Timing System and Its Timing Method

A technology of automatic timing and position computer, applied in the direction of total factory control, total factory control, electrical program control, etc., can solve the problems of waste of working hours, increase of weighing equipment and equipment maintenance costs, etc., to speed up production rhythm, save procurement and Maintenance cost and the effect of avoiding waste of man-hours

Active Publication Date: 2017-10-03
SUZHOU SITRI WELDING TECH RES INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional statistical method is to weigh the finished products, which not only needs to increase the cost of weighing equipment and equipment maintenance, because the output of each equipment needs to be weighed separately, the quantity is large, and it also causes waste of man-hours

Method used

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  • PLC-based Automatic Timing System and Its Timing Method
  • PLC-based Automatic Timing System and Its Timing Method
  • PLC-based Automatic Timing System and Its Timing Method

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Embodiment Construction

[0013] In order to deepen the understanding and recognition of the present invention, the present invention will be further described and introduced below in conjunction with the accompanying drawings.

[0014] Such as figure 1 and figure 2 As shown, a PLC-based automatic working hour timing system includes motors installed on the wire drawing machine and the nail making machine, the drive control line of the motor is directly connected to the main contact of the AC contactor, and the AC contactor passes through Control the start and stop of the motor to realize the operation control of the wire drawing machine and the nail making machine; the auxiliary contact of the AC contactor is connected with the PLC slave station in the Siemens S7-400PLC through the control cable, and the PLC slave station is connected through the Profibus-DP The network communicates with the PLC master station, and the PLC master station communicates with the upper computer through the industrial Eth...

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Abstract

The invention relates to a PLC-based automatic timing system and a timing method thereof, which are used for automatic calculation of the workload of workers in a metal product factory per shift. The system includes the motor and AC contactor at one end of the finished product line, the PLC controller and the upper computer. The switching signal of the AC contactor is collected through the PLC controller, the running time of the motor is calculated, and the data is transmitted to the upper computer through the industrial Ethernet network. The upper computer Calculate the output of each wire drawing machine and nail making machine according to the running time of the motor, and directly generate a report for the settlement of the worker's workload. At the same time, the upper computer sends a clear command to the PLC master station. After the PLC master station clears all the data on duty , the system starts a new round of timing. This automatic timing system avoids the waste of working hours caused by workers weighing the finished product and calculating the workload before leaving get off work every day. It not only saves the purchase and maintenance costs of weighing equipment, but also speeds up the production rhythm and improves production efficiency.

Description

technical field [0001] The present invention relates to a PLC-based automatic timing system and its timing method, in particular to an automatic timing system for the settlement of workload per shift of wire drawing machines and nail making machine workers in metal product factories, belonging to the technical field of intelligent control . Background technique [0002] In metal products factories, especially in nail-making workshops, workers' wages are settled according to output, so workers need to calculate the output of each shift before the end of each day's work and the start of the next shift. The traditional statistical method is to weigh the finished products, which not only needs to increase the cost of weighing equipment and equipment maintenance, because the output of each equipment needs to be weighed separately, the quantity is large, and it also causes waste of man-hours. Contents of the invention [0003] The purpose of this invention is to overcome the sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 施洪亮姚焕琴
Owner SUZHOU SITRI WELDING TECH RES INST CO LTD
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