Platform plate positioning device and positioning method of automatic circulating printing machine
A technology for positioning devices and printing machines, applied to printing machines, rotary printing machines, screen printing machines, etc., can solve problems such as unstable positioning, mechanical wear, and positioning errors, and achieve the elimination of precision effects, stable positioning, and avoiding positioning effect of error
Inactive Publication Date: 2013-09-25
晋江市联盟服装织造有限公司
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Problems solved by technology
refer to figure 1 , the positioning method in the prior art is through the positioning block 1' and the positioning bearing 2', and the positioning block is stuck in the two positioning bearings for positioning. Since the positioning bearing can slide, its positioning will be relatively unstable. And after a long time, mechanical wear will occur, which will cause positioning errors
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Embodiment Construction
[0020] The present invention will be further described below through specific embodiments.
[0021] refer to figure 2 and image 3 , a kind of circular automatic printing machine platen positioning device of the present invention, comprises a closed endless chain 1 and is connected on the fourteen platens 2 on the endless chain 1, is provided with the servomotor that drives its operation on the endless chain 1, The servo motor signal is connected to the single-chip microcomputer of the silk screen printing machine. The servo motor and the single-chip microcomputer are not shown in the figure. Several zero-point detection steel sheets 4 are equidistantly arranged on the endless chain 1, and are equidistantly arranged on both sides of the endless chain 1 motion track. There are four laser beam detectors 3, and the signals of the four laser beam detectors 3 are connected to the single-chip microcomputer of the screen printing machine.
[0022] refer to Figure 4 , Figure 5 ...
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The invention relates to an automatic printing machine, and in particular relates to a platform plate positioning device and a positioning method of an automatic circulating printing machine. A plurality of zero-point detecting elements are arranged on a ring-shaped chain of a silk printing machine at intervals; a plurality of zero-point detectors are arranged at the two sides of the motion trackof the ring-shaped chain at intervals, and are in signal connection with a main controller of the silk printing machine; a rigid three-point positioning device is arranged at one end of each platformplate close to the chain, and the zero-point positions can be detected in real time; and when the zero points are not detected, a chain driving device can be controlled by the main controller to carry out zero finding, and after the zero points are found, the operations such as plate backing and printing are carried out, so that the accuracy influence caused by mechanical extending and retractingchange is effectively eliminated; and when in plate backing, three-point positioning is adopted, the positioning is more stable, and due to a rigid contact mode, the positioning errors caused by mechanical wear can be avoided.
Description
technical field [0001] The invention relates to an automatic printing machine, in particular to a positioning device and a positioning method for a platen of a circular automatic printing machine. Background technique [0002] In the circular automatic printing machine, the positioning of the printing platen is very critical. If the positioning of the printing platen is not accurate, there will be deviations in the printing color position. refer to figure 1 , the positioning method in the prior art is through the positioning block 1' and the positioning bearing 2', and the positioning block is stuck in the two positioning bearings for positioning. Since the positioning bearing can slide, its positioning will be relatively unstable. And after a long time, mechanical wear will occur, which will cause positioning errors. Contents of the invention [0003] The main purpose of the present invention is to overcome the shortcomings of the prior art and provide a positioning dev...
Claims
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IPC IPC(8): B41F15/16B41F33/00
Inventor 蔡旭蛟暨伟
Owner 晋江市联盟服装织造有限公司