JP3175898U - Single roller automatic paper feeding mechanism - Google Patents

Abstract

The present invention provides a single roller automatic paper feeding mechanism that not only has a simpler structure and can reduce production costs, but also can cut small size waste paper and has various functions.
A single roller automatic paper supply mechanism includes a support unit, a paper supply mechanism provided on the support unit and two sets of swords, a cover movably connected to the support unit, a paper arrangement table provided above the stool, Includes a sensor provided on the paper placement table. The paper supply mechanism is a single roller set formed by connecting a plurality of rollers in series. A paper board is further included, the paper board is connected to a cover, and an elastic pressure device is provided between the two. It further includes a stop piece, and is provided on the paper placement table and is pivotally connected to the paper placement table, and a hole is provided at a position corresponding to the surface where the press plate and the paper placement table are in contact with each other. . The top arc surface after the roller is installed is higher than the plane of the paper placement table.
[Selection] Figure 1

Description

  The present invention relates to a shredder, and more particularly to a single roller automatic paper feeding mechanism for a shredder.

  As the necessary office equipment, shredders are widely and generally used in various offices. Most of the automatic paper shredders currently used are composed of two roller sets, and the two roller groups are provided in parallel on both sides of the paper supply port and protrude from the paper arrangement table, and overlap the paper arrangement table. After the paper spread cover is closed, the paper pressing device on the inner surface of the cover presses the top layer of the stacked paper by gravity, and the bottom layer of the stacked paper faces the two rollers on the bottom Due to the interlocking relationship of rotation, after the paper is folded, the paper enters the paper supply port and is cut by the paper cutting device below the paper supply port, and the above structure becomes complicated and the cost increases.

  In view of this, the present invention aims to provide a single roller automatic paper feeding mechanism that employs a single roller set and can cut waste paper smaller than the standard size, and has a simple structure and production. Cost is also low.

  In order to achieve the above-described object, the technology adopted by the present invention includes a support part, a paper supply mechanism and two sets of tools provided on the support part, a cover that is movably connected to the support part, and an upper part of the tool. A single roller automatic paper supply mechanism including a paper arrangement table provided and a sensor provided on the paper arrangement table, wherein the paper supply mechanism is a single roller set formed by connecting a plurality of rollers in series. . A paper board is further included, the paper board is connected to a cover, and an elastic pressure device is provided between the two. A stop piece is further included, provided on the paper placement table and rotatably connected to the paper placement table, and provided with a hole that can accommodate the stop piece at a position corresponding to the surface on which the presser plate and the paper placement table contact each other. It is done. The top arc surface after the roller is mounted is higher than the plane of the paper placement table. The stop piece is provided to cut waste paper smaller than the standard size (A4).

  Furthermore, the paper arrangement table is two parts, each positioned on both sides of the roller set, the sensor is provided on the paper arrangement table on one side of the roller set, and the stop piece is arranged on the other side of the roller set. A space provided between the two paper placement tables is provided on the table, and the deformed waste paper enters the paper supply port.

  Furthermore, the paper arrangement table is located below the paper pressing plate.

  Furthermore, a paper supply port is located between the two sets of swords.

  Furthermore, when the waste paper to be cut is a standard size, the stop piece and the paper placement table are located on the same plane, and when the waste paper to be cut is smaller than the standard size, the stop piece rotates and becomes perpendicular to the paper placement table, After joining, the upper end of the stop piece is located in the corresponding hole of the presser plate.

  Furthermore, two sets of tools are mounted in parallel, and the roller is positioned obliquely above the set of tools.

  Further, the elastic pressure device includes an upper end portion, a connection column, and a spring covering the connection column. The connecting column has a top end fixedly connected to the top end, a bottom end movably provided in the pressing plate, and cannot be detached from the pressing plate. That is, the connecting column can be expanded and contracted in the pressing plate.

  Furthermore, the upper end is fixed to the cover.

  The beneficial effect of the present invention is that when the waste paper is placed on the paper placement table, the cover is covered, the cover is provided with a pressure device and a paper board, and when the motor receives a signal from the sensor, the rotation starts, When the roller assembly is rotated, when the roller assembly rotates, the pressure from the cover, the paper pressing plate and the elastic pressure device generates friction between the roller assembly and the paper, and the paper enters the paper supply port. It is caught and crushed by the sword, and the automatic cutting operation is completed. If the paper is smaller than the A4 size, the cutting operation is completed so that the paper to be cut is turned upward by the stop piece, and the paper to be cut is arranged above the front end of the stop piece, that is, the roller set, and the standard size waste paper is crushed. Compared with the prior art, the present invention adopts a single roller set and realizes an automatic cutting function of two roller sets. Not only is the structure simpler, the production cost is low, but also waste paper with a small size can be cut and its functions are diverse.

It is a three-dimensional view of the present invention. It is a left view of the attachment relationship of the paper supply mechanism of this invention, and a paper cutting mechanism. It is a three-dimensional view of the mounting relationship of the paper supply mechanism and paper cutting mechanism of the present invention. It is a non-working state diagram of the present invention. It is an exploded view between the cover and presser board of this invention.

  In order that those skilled in the art can more easily understand the present invention, the present invention will be described in more detail below with reference to the drawings and examples.

  As shown in FIGS. 1 to 4, the single-roller automatic paper supply mechanism is movably connected to the support unit 1, the paper supply mechanism 2 provided on the support unit 1, two sets of tools 3, and the support unit 1. The cover 4 and the paper arrangement table 5 provided above the tool 3 are included.

  The paper supply mechanism 2 is a single roller set formed by connecting a plurality of rollers in series. The paper placement table 5 is divided into two parts, which are respectively located on both sides of the roller set. The sensor 7 is provided on a paper arrangement table on one side of the roller set, and the stop piece 8 is provided on a paper arrangement table on another side of the roller group, and is rotatably connected to the paper arrangement table. When the table is provided with an arc-shaped recess 51 and the recess is positioned in front of the stop piece 8 and the stop piece 8 is opened, the space between the two paper placement tables is used to dispose of the waste paper after deformation. Enter the supply port.

  The paper board 9 is further connected to the cover 4, and an elastic pressure device 10 is provided between them. A hole 91 that can accommodate the stop piece 8 is provided at a location corresponding to the surface that contacts the pressing plate 9 and the paper placement table 5. Corresponding to the paper placement table, the paper pressing plate 9 is also composed of two parts.

  The top arc surface after the roller assembly is installed is higher than the plane of the paper placement table, and is brought into close contact with the paper-pressing plate 9 to cause friction between the paper to be cut and to supply the paper. Enter the mouth 11. The paper supply port 11 is located between the two sets of tools 3.

  The action of the provided stop piece 8 is that when the waste paper to be cut is a standard size, the stop piece 8 is located on the same plane as the paper placement table 5, and when the waste paper to be cut is smaller than the standard size (A4), After the stop piece 8 is rotated so as to be perpendicular to the paper placement table 5 and the cover 4 is fitted, the upper end of the stop piece 8 is located in the corresponding hole 91 of the paper pressing plate.

  Two sets of tools 3 are attached in parallel, and a roller set is positioned obliquely above one set of tools.

  As shown in FIG. 5, the connection relationship between the cover 4 and the paper pressing plate 9 and the specific structure of the elastic pressure device 10 will be described. The elastic pressure device 10 includes an upper end portion 101, a connection column 102, and a spring 103 that covers the connection column. The connection column 102 is fixedly connected to the upper end portion 101 at the upper end and is movably provided in the pressing plate 9 and cannot be detached from the pressing plate 9. That is, the connection column 102 can be expanded and contracted in the pressing plate. is there. The upper end 101 is fixed to the cover 4.

  The operation principle of the present invention is to cover the cover 4 when waste paper is placed on the paper placement table 5. A pressure device 10 and a paper pressing plate 9 are provided on the cover 4. When the motor 12 receives a signal from the sensor 7, the rotation starts, the roller assembly is rotated, and when the roller assembly rotates, the pressure from the cover 4, the paper pressing plate 9 and the elastic pressure device 10 is changed to the roller assembly. Friction is generated in the paper and the paper is made to enter the paper supply port 11 and is crushed and crushed by the two sets of lower tools 3 to complete the automatic cutting operation. In the case of paper smaller than A4 size, the cutting operation is completed so that the paper to be cut is placed upwards by the stop piece 8 and the paper to be cut is placed above the front end of the stop piece 8, that is, above the roller set, and the standard size waste paper is crushed. To do. Compared with the prior art, the present invention realizes an automatic cutting function of two roller sets by a single roller set. Not only is the structure simpler, the production cost is low, but also waste paper with a small size can be cut and its functions are diverse.

  The above is a specific embodiment of the present invention, but the scope according to the present invention is not limited thereto. Modifications or substitutions can be easily conceived by those skilled in the art as long as they are within the technical scope disclosed in the present invention, and both are within the scope of the present invention. Therefore, the scope of the present invention is based on the scope of the utility model registration request.

DESCRIPTION OF SYMBOLS 1 Support part 2 Paper supply mechanism 3 Cutting tool 4 Cover 5 Paper arrangement stand 7 Sensor 8 Stop piece 9 Pressing board 10 Elastic pressure apparatus 11 Paper supply port 12 Motor 51 Recess 91 Hole 101 Upper end part 102 Connection pillar 103 Spring

Claims (8)

A single roller automatic including a support unit, a paper supply mechanism and two sets of tools provided on the support unit, a cover movably connected to the support unit, a paper placement table provided above the tool, and a sensor provided on the paper placement table A paper supply mechanism,
The paper supply mechanism is a single roller set formed by connecting a plurality of rollers in series,
Further comprising a paper board, the paper board is connected to the cover, provided with an elastic pressure device between them,
It further includes a stop piece, is provided on the paper placement table and is pivotally connected to the paper placement table, and a hole is provided in the position corresponding to the surface where the press plate and the paper placement table come into contact with each other. ,
A single roller automatic paper feeding mechanism characterized in that the top arc surface after the roller is mounted is higher than the plane of the paper placement table. The paper placement table is two parts, each positioned on both sides of the roller set,
2. The single roller automatic paper feeding mechanism according to claim 1, wherein the sensor is provided on a paper arrangement table on one side of the roller set, and the stop piece is provided on a paper arrangement table on another side of the roller group.   The single-roller automatic paper feeding mechanism according to claim 1, wherein the paper placement table is located below the paper pressing plate.   The single-roller automatic paper feeding mechanism according to claim 1, wherein the paper feeding port is located between two sets of swords.   When the waste paper to be cut is a standard size, the stop piece and the paper placement table are on the same plane, and when the waste paper to be cut is smaller than the standard size, the stop piece rotates and becomes perpendicular to the paper placement table, and the upper cover 3. The single roller automatic paper feeding mechanism according to claim 1, wherein the upper end portion of the stop piece is located in a corresponding hole of the paper pressing plate after being combined.   2. A single roller automatic paper feeding mechanism according to claim 1, wherein two sets of tools are mounted in parallel, and a roller is positioned obliquely above one set of tools. The elastic pressure device includes an upper end portion, a connection column, and a spring covering the connection column,
The connection column is fixedly connected to the upper end at the upper end, the lower end is movably provided in the pressing plate and cannot be detached from the pressing plate, and the connecting column can be expanded and contracted in the pressing plate. The single roller automatic paper feeding mechanism according to claim 1.   The single-roller automatic paper feeding mechanism according to claim 1 or 7, wherein the upper end portion is fixed to the cover.

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