JPH0740293A - Punch for copying-paper - Google Patents

Abstract

PURPOSE:To enable a punch that makes filing holes in copying-paper on which an image has been created by a copying machine to make the holes with accuracy by moving a punch unit at the same rate as the rate of feed of the copying-paper, and utilizing the opposite crank movements of first and second operating plates to make the holes. CONSTITUTION:Copying paper 2 on which an image has been created by a copying machine main body is fed by a paper feeding roller 20 located in a punch unit 1. When a sensor 8 detects the rear end of the copying paper 2, a control circuit 9 drives a pulse motor 7 in accordance with the feed rate of the copying paper 2, and a first operating plate 3 and a second operating plate 11 which is driven via gear wheels 14-17, etc., are forced into synchronous crank movements. The copying paper 2 is punched by collaboration of a punch pin 4 provided on the first operating plate 3 with a punch pin hole 11 provided in the second operating plate 11. In this case, the operating plates 3, 11 move a fixed distance with the punch pin 4 inserted in the punch pin hole 11A, so the punch pin 4 is extracted smoothly thereafter.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a punching device for punching a filing binding hole in a copy sheet copied by a copying machine, and punching the copy sheet in a transport path after copying without stopping the movement of the copy sheet. It is for.

[0002]

2. Description of the Related Art Conventionally, Japanese Unexamined Utility Model Publication No. 62-88599 discloses a copying machine in which a punching device for punching filings is provided in a copying paper conveying path. The content is arranged so as to guide the copy paper between the pair of rollers, and a blade body for punching which is protruded from the circumferential surface of the roller is arranged, which corresponds to the blade body of the other roller. A copy paper punching device is disclosed in which a blade receiving hole is arranged at a position and a filing hole is punched in a copy paper.

[0003]

However, in the above-mentioned conventional copy paper punching device, the other roller of the pair of rollers arranged so as to guide the copy paper is provided with the roller peripheral surface. The blade body for punching and the peripheral surface of the other roller are provided with blade receiving holes at positions corresponding to the blade body for punching, and between the two rollers. The copy sheet is conveyed to the roller, and the punching blade protruding from the roller on one side is projected onto the peripheral surface of the other roller via the conveyed copy sheet. After punching the copy paper because the blade body for perforation is in the inserted state in the blade body receiving hole arranged at a position corresponding to When exiting, there were problems such as tearing the perforated copy paper and scratching the copy paper.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the drawbacks of the prior art, and it is a conveyance roller for conveying a copy sheet copied by the main body of the copying machine in a copy sheet conveying path of the main body of the copying machine. A first pulse motor for applying a driving force which is a rotation angle to the transport roller, a detecting means for detecting the end portion of the copy paper, and information obtained by the detecting means. A control circuit for transmitting a control signal as a rotation angle to the second pulse motor and a rotary plate connected to the second pulse motor have a first operating plate and a second operating plate. A copy sheet punching means having punch pins for punching the copy sheet on the first operating plate, and punch pin insertion holes corresponding to the punch pins on the second operating plate. The detection signal detected by the detection means for detecting the end portion of After the pulse motor of No. 2, the first and second actuating plates are cranked vertically in opposition to each other, the speed of the paper feed roller, the first and second actuating plates The present invention proposes a copy paper punching device that punches a copy paper at the same speed of crank movements that are opposed to each other in the vertical direction.

[0005]

That is, in the present invention, the punch unit is moved at the same speed as the copying paper conveying speed, and is attached to the first operating plate provided in the above-mentioned punch unit for performing the vertically opposed crank motion. The copy paper is conveyed between the punch pin and the punch pin insertion hole attached to the second operation plate, and the first operation plate and the second operation plate perform a cranking motion to face each other, thereby copying the copy paper. It has a structure that can be punched for filing.

[0006]

The details of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a schematic diagram showing the configuration of a punch unit which is a copy paper punching device according to an embodiment of the present invention. Figure 2
FIG. 6 is a schematic view showing a state in which a punching operation of copy paper is started.

First, FIG. 1 will be described. Reference number 1
Is a punching unit for punching the copy paper, and is a binding hole for filing on the copy paper which is built in the sorter portion of the copy machine main body not shown or is externally attached and discharged from the copy machine main body not shown. Perforate. Reference numeral 2 is a copy sheet and is ejected from the main body of the copying machine (not shown). Copy paper 2
Copy paper is guided to the punch unit 1 from the direction of the arrow through a discharge roller (not shown) of the main body of the copying machine (not shown). Reference numeral 3 is a first actuating plate, and the punch pin 4 is fixed downward to the first actuating plate 3. Also,
The first operating plate 3 is rotatably locked to the rotary plates 5 and 6.

Reference numeral 7 is a pulse motor. When the sensor 8 detects the trailing edge of the copy sheet 2 discharged from the main body of the copying machine (not shown), the pulse motor is detected as a detection signal via the control circuit 9. A pulse is applied to the motor 7, and the driving force is transmitted to the rotary plate 5 via the drive shaft 10 based on this pulse, and the first operating plate 3 is rotated. Reference numeral 11 is a second actuating plate, which is rotatably locked to the rotating plates 12 and 13. Further, a punch pin insertion hole 11A is arranged upward in the second operation plate 11 at a position corresponding to the punch pin 4.

As described above, the operating plate 11 has the sensor 8
When the rear end of the copy paper 2 is detected, a pulse is transmitted to the pulse motor 7 via the control circuit 9 as a detection signal, and the driving force of the rotation angle of the pulse motor 7 is generated based on this pulse. , 15, 16, 17 and the drive shaft 18, the second operating plate 11 is rotated. Reference numeral 19
Is a second pulse motor, which is the rotary plate 5 and the rotary plate 1 described above.
The rotation angles of the pulse motor 7 and the pulse motor 19 are set to have the same step angle so that the peripheral speeds of the sheet feeding roller 20 and the sheet feeding roller 20 are the same. The pulse mode
The motor 19 and the paper feed roller 20 transmit the driving force to the paper feed roller 20 via the drive shaft 21.

Next, the actual operation will be described. The copy paper 2 copied by the copying machine main body (not shown) is provided on the paper feeding roller (not shown) provided on the sorter portion of the copying machine main body and on the punch unit 1. The copy paper 2 is conveyed by the paper feed roller 20 provided. When the rear end portion of the copy paper 2 is detected by the sensor 8, the pulse is transmitted to the pulse motor 7 via the control circuit 9 as described above.
A rotation angle for the first operating plate 3 and the second operating plate 11 to carry out a crank motion matching the transport speed of the copy paper 2 is transmitted as a control signal. At this time, as shown in FIG.
The rotary plate 5 and the rotary plate 12, that is, the punch pin 4 attached to the first operating plate 3 and the punch pin insertion hole 11A provided in the second operating plate 11 are in a standby state. However, the pulse of the above-mentioned rotation angle is transmitted to the pulse motor 7, and the above-mentioned first operating plate 3 and second operating plate 11 make a crank motion in the direction perpendicular to the copy paper 2.

Further, the punch pin 4 provided on the first operating plate 3 locked to the rotary plates 5 and 6 via the pulse motor 7 and the drive shaft 10 and the pulse motor 7 to the gear 1 are provided.
The punch pin insertion hole 11A provided in the second operating plate 11 which is locked to the rotary plates 12 and 13 via the drive shaft 18 via 4, 15, 16, and 17 punches the copy paper 2. The first actuation plate 3 and the second actuation plate 11 move in a state in which the punch pin 4 is inserted into the punch pin insertion hole 11A and in close contact with each other for a certain distance, and the first actuation plate 3 cranks in the direction of arrow 23. , The second actuating plate 11 has an arrow 24
The punch pin 4 can be smoothly withdrawn from the copy paper 2 and the punch pin insertion hole 11A by the crank movement in the direction of. The punching position of the copy paper 2 is determined by the sensor 8
If the positions of the punch pin 4 and the punch pin 4 are first determined, the punch pin 4 provided on the copy paper 2 and the first operating plate 3 and the punch pin insertion hole provided on the second operating plate 11 are
Since they move at substantially the same speed, it is possible to punch at a predetermined position.

[0012]

As described above, according to the present invention, by controlling the pulse motor, the first operating plate 3 and the second operating plate 11 carry out a crank motion in which the first operating plate 3 and the second operating plate 11 face each other in the vertical direction, and the copy paper 2 is moved. Since the punch pin 4 provided on the first actuation plate 3 and the punch pin insertion hole 11A provided on the second actuation plate 11 are used to punch the copy paper 2 in accordance with the conveyance speed of After punching in 2, the punch pin 4
When the punch pin insertion hole 11A is pulled out, the first actuation plate 3 and the second actuation plate 11 make a vertical crank motion so that the punch pin 4 is scratched or scratched on the copy paper 2. Never.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 Schematic diagram

[Explanation of symbols]

 1 Punch Unit 2 Copier 3 Working Plate 4 Punch Pin 5 Rotating Plate 6 Rotating Plate 7 Pulse Motor 8 Sensor 9 Control Circuit 10 Drive Shaft 11 Working Plate 11A Punch Pin Insertion Hole 12 Rotating Plate 13 Rotating Plate 14 Gear 15 Gear 16 Gear 17 Gear 18 Drive shaft 19 Pulse motor 20 Paper feed roller 21 Drive shaft 22 Arrow 23 Arrow 24 Arrow

Claims (1)

[Claims] 1. A transport roller for transporting a copy paper copied by the main body of the copying machine in a copy paper transporting path of the main body of the copying machine,
A first pulse motor that imparts rotation to the carrier roller;
By connecting the detecting means for detecting the end portion of the copy paper, the control circuit for transmitting the information obtained by the detecting means to the second pulse motor, and the second pulse motor. There are two rotating plates, one for the first operating plate and one for the second rotating plate.
Copy sheet punching means having a punch pin for punching a copy sheet on the first working plate, and a punch pin insertion hole corresponding to the punch pin on the second working plate. The control circuit applies a pulse as a drive source of the second pulse motor to the detection signal detected by the detection means for detecting the end portion of the copy paper, and the first operating plate and the second operating plate are connected to each other. Perforating a copy sheet by vertically opposing crank motions so that the speed of the paper feed roller and the vertically opposing crank motions of the first working plate and the second working plate are the same. A perforation device for copy paper.