TH4829B - The method for controlling the edge position is available at the longitudinal paper cutter as well as the associated longitudinal cutter device. - Google Patents

Abstract

According to this method of invention The double circular blades of various longitudinal cutters are mounted on the diagonal rails from the paper strip. And was traveled over the rails at a predetermined distance from a standardized point on the outside of the machine. And standard points located on the carriage and to adjust the position of the knife edge when necessary due to sharpening the knife Therefore, the edge distance from the edge of the carriage of the circular blade is measured with a position measuring device and stored as data within the control system. Which will adjust the position of the blade to suit again after the edge of the knife has been sharpened later

Claims (9)

1. In the process of controlling the knife edge position of a pair of circular blades in a longitudinal strip cutter or the like. The cutter has a structure with a pair of tracks on each side of the paper strip that extends against the direction of paper strip motion. Each pair of blades The carriage is mounted in a loosely fixed carriage to the rail and a carriage for moving the carriage along the rail to achieve the desired position from the standard point on the chassis of the machine. Knives from a standard point to a predetermined distance To obtain a fixed position of the joint cutting edge measured from the standard point and then to hold the carriage in that position. Improvements include measuring the edge of a blade from a standard point on its carriage. And is used to correct a predetermined range of motion so that the carriage compensates. One blade width change 2. In the process of claim 1, where the procedure for using the predetermined term correction phase also includes comparing the last measured distance with the standard term to obtain the difference and use the difference in Preset distance change of carriage movement 3. In a wheel-cutting machine and a longitudinal strip of material, there is a pair of rails installed on the frame on each side of the bar to extend beyond the direction of movement of the strips. Standard point on at least one unit frame for cutting. Each cutting unit has a circular blade and a second circular blade with a combined operating blade, the first carriage for mounting the first blade. For turning and will be attached to a pair of rails and the second carriage is attached to the second blade for turning. It is attached to the remaining rails of that pair and the deck transport device moves both the first and second carriages of each unit along the corresponding rails to determine the position of the joint cutting blades to be Standard points as predefined The improvement will consist of a device to compensate for the different axial thickness of the first blade, including the standard point on the carriage on each carriage one. Device for measuring the axial distance between the standard point on the carriage and the knife edge of the first blade. And a device for adjusting the distance of the first and second carriage caused by the carrier in response to the axial distance change to obtain a predetermined distance of the knife blade jointly operated by Measured from the standard point of the frame 4. In the machine according to claim 3, where the standard point on the carriage is formed from the standard on the first carriage. 5. In the machine according to claim 4, where the first carriage has a motor support device for the motor. To rotate the first blade and where the standard is a distance measuring device attached to the first carriage's motor support. The distance measuring device is equal to the edge of the blade from the axis of the first blade. 6. In the device according to claim 5, where the device for measuring the axial distance It consists of a measuring device mounted on the chassis of the machine along the carriage path one on the body. The measuring device emits an electrical signal while the blade of the first blade. And while the standard of the first carriage that passes through that area 7. On the instrument according to claim 6, there are at least two cutting units, each of which is equipped with a measuring device for generating an electric pulse. When the knife edge and the standard line of the carriage pass through that area They are installed at different intervals on the scaffold so that when attached to the carriage at all positions on the carrier and the carrier is initially positioned in its initial stage. This will remove the edges of each carriage and place those pulses on the corresponding carriage. 8. In the machine according to claim 7, where the difference in the distance between each carriage is the same volume. In order to receive pulses from the measuring device sequentially as the carrier moves the carriage under its corresponding measuring device. 9. In the instrument according to claim 3, where the measuring device shall include a measuring device mounted on a frame in the first carriage path, which is moved by a carrier. The measuring device generates an electrical signal when the blade of the first blade passes under that area and when the standard point on the first carriage passes through it. The equipment for these measurements includes a pulse generator. It is attached to the transport device to generate a number of pulses as the carrier moves the carriage from its initial position and the pulse counter of the pulse generator. The first electrical signal from the measuring device starts the counter to count the pulses from the pulse generator. And the second signal will end the count.The number of countable pulses determines the knife edge distance to the carriage standard point 1. 0. In the machine according to claim 9, where the adjustment device will determine the change in axial distance. By comparing the countable pulses for the blade with the standard To generate a fault signal and use this fault signal to adjust the distance of the first and second carriage by the carrier from the standard point of the frame.