Magnetic attracting type paper cutting depression bar
A magnetic suction and paper cutting technology, which is applied in metal processing and other directions, can solve the problems of unstraight trimming of rough printed matter, lower qualified rate of finished products, and low qualified rate of finished products, so as to achieve difficult movement, improved qualified rate and pressure distribution uniform effect
Inactive Publication Date: 2019-03-22
HUZHOU JIANING PRINTING
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Problems solved by technology
However, in the process of use, the hollow square tube is easy to move under the action of the bonding force of the utility knife, which will cause the cutting edge of the blank printed matter to be not straight or crooked, and reduce the pass rate of the finished product
Therefore, there is a defect that the qualified rate of the finished product is lower when using the existing bead to trim the blank printed matter
Method used
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present invention.
[0015] Example. Magnetic cutting strips, such as figure 1 As shown, it includes a hollow square tube 1, the two ends of the hollow square tube 1 are provided with end caps 2, and the inside of the hollow square tube 1 is provided with a connecting rod 3 and a plurality of magnetic units 4; The silicon steel sheet 41 at the bottom of the square tube 1 is provided with an elongated magnetic strip 42 above the silicon steel sheet 41. The magnetic strip 42 is arranged inside the hollow square tube 1. The end of the magnetic strip 42 is provided with a connecting rod 3 to rotate. The revolving pin 43, the both sides of magnetic strip 42 middle parts are all provided with the rotating shaft 44 that is connected with hollow square tube 1 rotation, and torsion spring 45 is set on the rotating shaft 44, and...
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The invention discloses a magnetic attracting type paper cutting depression bar which comprises a hollow square pipe. End covers are arranged at two ends of the hollow square pipe; a connecting rod and multiple magnetic attracting units are arranged in the hollow square pipe; the magnetic attracting units comprise silicon steel sheets embedded to the bottom part of the hollow square pipe; flat long-shaped magnetic bars are arranged above the silicon steel sheets and are arranged in the hollow square pipe; rotary pins rotatably connected with the connecting rod are arranged at the end parts ofthe magnetic bars; rotary shafts rotatably connected with the hollow square pipe are arranged on two sides of the middle parts of the magnetic bars; torsional springs sleeve the rotary shafts; one ends of the torsional springs are connected with the magnetic bars; the other ends of the torsional springs are connected with the hollow square pipe; a hand wheel is fixed onto a rotary shaft of one magnetic attracting unit and is located on the outer side of the hollow square pipe. The magnetic attracting type paper cutting depression bar provided by the invention is adopted for trimming a workblank presswork so as to have the advantages of high finished product qualification rate and convenience in operation.
Description
technical field [0001] The invention belongs to the field of beading for paper cutting, in particular to a magnetic suction type beading for paper cutting. Background technique [0002] For customized large-scale printed matter (more than two meters in length and more than 80 centimeters in width), such as living room decorative paintings, there are often many types of customization, but the number of each type is small, such as one hundred kinds of decorative paintings, each decoration The painting is only customized for ten pieces. For large-scale printed matter, the process of the printing factory is to print a customized quantity of each large-scale printed matter with a large roll of printing paper, and then cut it into blanks to obtain rough printed matter, then cut the edge of the rough printed matter, cut off the excess part, and obtain customized specifications. Large prints. Due to the large variety of customized large-scale printed products, if a special automat...
Claims
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IPC IPC(8): B26D7/02
CPCB26D7/025
Inventor 虞建强虞东杰
Owner HUZHOU JIANING PRINTING