Printing machine with optical fiber resetting function
A technology of repeated positioning and printing presses, applied in printing presses, general parts of printing machinery, printing and other directions, can solve problems such as overprinting out of tolerance, delay in construction period, inability to accurately control the printing position of products, etc., to ensure the printing effect and avoid printing. offset effect
Active Publication Date: 2012-12-26
KUNSHAN HUAGUAN TRADEMARK PRINTING
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Problems solved by technology
[0002] Existing printing machines usually use three-point positioning for positioning, but the three-point positioning method cannot accurately control the printing position of the product. When the product is fully in contact with the three positioning points, the printing overprint meets the requirements. When the product is in contact with the three positioning points When the positioning point is not in full contact, the printing will deviate, causing the overprint to exceed the tolerance, resulting in a large number of defective rates, which not only wastes the cost but also delays the construction period
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[0009] The present invention will be further described below in conjunction with the accompanying drawings.
[0010] like figure 1 As shown, a printing machine with the function of repeated positioning of optical fibers includes a printing table 1, and a three-point positioning device 2 is installed on the printing table, and the inside of the printing table 1 at the three positioning points 21 of the three-point positioning device 2 Each fiber optic sensor 11 is installed.
[0011] On the basis of positioning the product by the three-point positioning device 2, the high-precision sensing function of the optical fiber sensor 11 is used to determine whether the product is placed in place, and the product is repeatedly positioned. When the three-point positioning device 2 and the optical fiber sensor 11 both confirm that the product is placed When the product is in place, the printing will start, and the printing accuracy of the product will reach the accuracy of the CCD vision...
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The invention discloses a printing machine with an optical fiber resetting function. The printing machine comprises a printing tabletop, wherein a three-point positioning device is arranged in the printing tabletop; and three optical fiber sensors are respectively arranged below the printing tabletop at three positioning points of the three-point positioning device. According to the printing machine disclosed by the invention, the problem of the inaccuracy in positioning of products by a printing machine in the prior art is solved; whether products are placed to be in place is rechecked on the basis of three-point positioning by using a high-precision contact type optical fiber sensor; after the products are confirmed to be in place by simultaneously using a three-point positioning method and the optical fiber sensor, the printing machine defaults that the products are placed to be in place and then starts to print, and thus the printing deviation is avoided and the printing effect is ensured; meanwhile, the position of the optical fiber sensor can be adjusted according to the sizes of printing products through an optical fiber moving adjustment groove, so that the function of the printing machine for printing the products with different models is ensured.
Description
technical field [0001] The invention relates to a printing machine, in particular to a printing machine with the function of repeated positioning of optical fibers, and belongs to the technical field of printing. Background technique [0002] Existing printing machines usually use three-point positioning for positioning, but the three-point positioning method cannot accurately control the printing position of the product. When the product is fully in contact with the three positioning points, the printing overprint meets the requirements. When the product is in contact with the three positioning points When the positioning points are not in full contact, the printing will deviate, causing the overprint to exceed the tolerance, resulting in a large number of defective rates, which not only wastes the cost but also delays the construction period. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a printing machine wi...
Claims
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Inventor 吴学俊郑小华
Owner KUNSHAN HUAGUAN TRADEMARK PRINTING