An up-and-down roller paper separating mechanism and a method of using the same

Abstract

The application discloses a paper separating mechanism with upper and lower rollers, a paper separating mechanism with upper and lower rollers and a use method thereof, and can realize automatic transportation and paper separation, and has better paper separation effect on different types of paper, and the specific scheme is as follows: the paper separating mechanism comprises a paper feeding device, a paper separating device and a placing plate, the paper feeding device is arranged on the top of the placing plate, can feed the paper on the placing plate to the paper separating device arranged on one side of the paper feeding device, the bottom of the paper separating device is provided with a sliding groove, and the paper separating device can slide along the sliding groove, so that the distance between the paper separating device and the paper feeding device is adjusted; the paper feeding device comprises a paper feeding roller, a first driving device is connected with the paper feeding roller, and the first driving device can drive the paper feeding roller to rotate; the paper feeding roller is connected with a second driving device, and the second driving device can drive the paper feeding roller to move up and down.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of paper separating, in particular to an up-and-down roller paper separating mechanism and a use method thereof. BACKGROUND

[0002] The statements in this section merely provide background information related to the present application and do not necessarily constitute the prior art.

[0003] With the progress of software and hardware, scanners have become one of the basic equipment for many computer users, which can scan and input files, magazines, books, pictures and other text or image materials into computers and process them. In order to ensure the quality of special paper types such as report paper, multiple carbon paper and three-part invoice, and to ensure normal scanning and non-damage of the original, the existing paper separating device of the scanner is manually separated by structure. The general paper separating device in the prior art comprises a paper feeding roller, a paper separating roller, a spring and a torsion limiter. The torsion limiter is fixed on the shaft and installed in the paper separating roller to provide torsion to achieve the above-mentioned paper separating effect.

[0004] However, the existing paper separating device is only suitable for small paper, and the paper separating effect of the single paper feeding roller and the paper separating roller is not ideal when the paper is too long or too wide. In addition, the existing paper separating device only separates the paper once, which may cause the paper to be not completely separated. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application aims to provide an up-and-down roller paper separating mechanism and a use method thereof, which can realize automatic transportation and paper separating, and have better paper separating effect on different types of paper.

[0006] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0007] An up-and-down roller paper separating mechanism, comprising a paper feeding device, a paper separating device and a placing plate. The paper feeding device is arranged on the top of the placing plate and can feed the paper on the placing plate to the paper separating device arranged on one side of the paper feeding device. The paper separating device is provided with a sliding groove at the bottom, and the paper separating device can slide along the sliding groove to adjust the distance between the paper separating device and the paper feeding device.

[0008] The paper feeding device comprises a paper feeding roller, and a first driving device connected with the paper feeding roller to drive the paper feeding roller to rotate.

[0009] The paper feeding roller is connected with a second driving device, and the second driving device can drive the paper feeding roller to move up and down.

[0010] The bottom of the paper feeding device is provided with a spring rod, the bottom end of the spring rod is lower than the lowest point of the paper feeding roller, the top of the spring rod is provided with a sensor, the sensor can sense whether the spring rod contacts the paper surface, the sensor is connected with a controller, and the controller is connected with a first driving device and a second driving device.

[0011] Further, the paper feeding roller further comprises a support, and the paper feeding roller is mounted on the support.

[0012] Further, the top of the support is fixedly connected with a top plate, the spring rod passes through the top plate, and the sensor is mounted on the top plate.

[0013] Further, a supporting frame is further included, and the support is slidingly connected to the supporting frame.

[0014] Further, the first driving device comprises a first motor, the paper feeding roller is provided in plurality, the plurality of paper feeding rollers are connected to the same rotating shaft, the rotating shaft is connected to the first motor, and the rotating shaft is mounted on the support through a bearing.

[0015] Further, the second driving device comprises a second motor, a lead screw and a connecting plate, the second motor is connected to one end of the lead screw, and the other end of the lead screw is connected to the support through the connecting plate.

[0016] Further, the placing plate comprises a placing flat plate and an arc-shaped plate, and the placing flat plate is connected to the paper separating device through the arc-shaped plate.

[0017] Further, the paper separating device comprises a plurality of paper separating rollers and a friction wheel which are distributed in a staggered manner, the plurality of paper separating rollers are connected to the same rotating shaft, and the rotating shaft is connected to a third motor.

[0018] Further, the paper separating device is provided in two, and the two paper separating devices are arranged in sequence on one side of the paper feeding device.

[0019] The use method of the above-mentioned up-and-down roller paper separating mechanism, characterized in that, comprises the following steps:

[0020] The paper is placed on the placing plate, and the distance between the paper separating device and the paper feeding device is adjusted according to the length of the paper, so as to avoid that the paper directly rests on the paper feeding device.

[0021] The second driving device is controlled to move downward by the controller, when the spring rod contacts the paper surface, the sensor sends a signal to the controller, the controller controls the second driving device to stop, so that the paper feeding device stays at a fixed position, then the controller sends a signal to the first driving device, drives the paper feeding roller to rotate, feeds the paper to the paper separating device, and the paper separating device completes the paper separating.

[0022] The beneficial effects of the present application are as follows:

[0023] 1) The present application can adjust the distance between the paper separating device and the paper feeding device according to the length of the paper by slidingly connecting the paper separating device on one side of the paper feeding device, thereby avoiding the situation that the paper feeding device cannot feed the paper to the paper separating device due to the too short paper, and avoiding the situation that the paper directly rests on the paper feeding device due to the too long paper.

[0024] 2) The present application can detect the height of the paper by setting the spring rod at the paper feeding device and setting the photoelectric sensor at the spring rod, thereby realizing automatic paper feeding and improving the automation degree of paper feeding.

[0025] 3) The present application can simultaneously grasp and hold different parts of the paper in the width direction by setting a row of paper feeding rollers and paper separating rollers, thereby being capable of separating the paper which is too wide.

[0026] 4) The present application connects the paper feeding device and the paper separating device through the arc-shaped plate, the paper has a process of being slightly separated after passing through the arc-shaped plate, at this time, the paper which is stacked together is slightly separated, at this time, the paper has a better separating effect after entering the paper separating device, and the present application further sets the multi-stage paper separating device, thereby further improving the separating effect. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings constituting a part of the specification of the present application are used to provide further understanding of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0028] Figure 1 is a structural schematic view of an up-and-down roller paper separating mechanism according to one or more embodiments of the present application.

[0029] Figure 2 is another angle structural schematic view of an up-and-down roller paper separating mechanism according to one or more embodiments of the present application.

[0030] In the drawings: the mutual distance or size is exaggerated for showing the position of each part, and the schematic view is only schematic.

[0031] In the drawings: 1. placing plate 2. paper feeding device 3. sensor 4. paper feeding roller 5. second driving device 6. lead screw 7. second motor 8. first motor 9. first paper separating device 10. paper separating roller 11. second paper separating device 12. sliding groove 13. support frame 14. support 15. supporting leg 16. connecting plate 17. arc-shaped plate 18. placing flat plate. DETAILED DESCRIPTION

[0032] It should be noted that the following detailed description is illustrative only, and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0033] It is also important to note that the terms "including", "containing", and / or "comprising", etc., are intended to be open-ended terms, and include but are not limited to, the term "consisting of. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Further, to the extent that any term is defined by a singular or plural form of a noun or pronoun, the plural form also encompasses the singular, and vice versa, unless the context clearly dictates otherwise.

[0034] For the convenience of description, if the terms "upper", "lower", "left", "right" appear in the present application, they only mean the same direction as the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0035] The terms "mounting", "connecting", "connecting", "fixing" and the like in the present application should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements, or the interaction relationship between two elements; for those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] Embodiment one

[0037] A paper separating mechanism with upper and lower rollers, characterized in that, as shown in Figure 1 , Figure 2 , it comprises a paper feeding device 2, a paper separating device and a placing plate 1, the paper feeding device is arranged on the top of the placing plate and can feed the paper on the placing plate to the paper separating device arranged on one side of the paper feeding device, the paper separating device is slidingly connected to a sliding groove 12 arranged on the bottom thereof, the sliding groove 12 is fixedly connected to one side of a support frame, in order to maintain the stability of the sliding groove, supporting legs are arranged on the bottom of the sliding groove to support the sliding groove, so as to adjust the distance between the paper separating device and the paper feeding device.

[0038] As shown in Figure 2 , the paper separating mechanism further comprises a support frame 13, a support 14 is slidingly connected to the support frame 13, and the paper feeding device is mounted on the support.

[0039] Specifically, the paper feeding device comprises paper feeding rollers, a first driving device connected with the paper feeding rollers and capable of driving the paper feeding rollers to rotate, and the first driving device comprises a first motor, the paper feeding rollers are provided in plurality, the plurality of paper feeding rollers are connected on a same rotating shaft, the rotating shaft is connected on a support 14 through a bearing, the support is connected on a support frame through a connecting plate, and one end of the rotating shaft penetrates through the support frame and is connected on the first motor, so that the rotating shaft and the plurality of paper feeding rollers can be driven to rotate by the first motor.

[0040] The paper feeding device is slidably connected on one side of the paper feeding device, so that the distance between the paper feeding device and the paper feeding device can be adjusted according to the length of the paper, the paper feeding device cannot feed the paper to the paper feeding device due to the too short paper, and the paper is directly placed on the paper feeding device due to the too long paper.

[0041] As shown in Figure 2 The paper feeding rollers 10 are connected with a second driving device 5, and the second driving device can drive the paper feeding rollers to move up and down, specifically, the second driving device comprises a second motor 7, a lead screw 6 and a connecting plate 16, the second motor is connected with one end of the lead screw 6, the other end of the lead screw is threadedly connected on the connecting plate 16, the connecting plate is fixedly connected on the support 14, the second motor drives the lead screw to rotate, and then drives the connecting plate to move up and down, so as to drive the paper feeding device to move up and down.

[0042] As shown in Figure 2 The paper feeding device is provided with a spring rod 17 at the bottom, the bottom of the spring rod is on the same horizontal plane with the bottom of the paper feeding roller, the top of the spring rod is provided with a sensor 3, the sensor can sense whether the spring rod contacts the paper surface, the sensor is connected with a controller, and the controller is connected with the first driving device and the second driving device.

[0043] Specifically, the top of the support is fixedly connected with a top plate, the spring rod penetrates through the top plate, the sensor is installed on the top plate, and the sensor is a photoelectric sensor, when the spring rod contacts the paper surface and moves up, the sensor can sense the top of the spring rod and transmit a signal to the controller.

[0044] As shown in Figure 2 The placing plate comprises a placing flat plate 18 and an arc-shaped plate, the placing flat plate is connected with the paper feeding device through the arc-shaped plate, the paper has an upwarping process after passing through the arc-shaped plate, at this time, the stacked paper is slightly separated, and at this time, the paper has a better paper separating effect after entering the paper feeding device.

[0045] The paper separating device is provided with two, first paper separating device 9 and second paper separating device 11, first paper separating device 9 and second paper separating device 11 are arranged in sequence on one side of the paper feeding device, and the paper separating device comprises a plurality of staggered paper separating rollers 10 and friction wheels, a plurality of friction wheels are fixedly connected on the side plate at the bottom of the paper separating roller through the same rotating shaft, and the plurality of friction wheels do not rotate; a plurality of paper separating rollers are connected with the same rotating shaft, the rotating shaft is connected with the third motor, the third motor can drive the plurality of paper separating rollers to rotate, another placing plate is arranged between the two paper separating devices, and the paper can pass through the placing plate and then enter the second paper separating device 11.

[0046] The paper feeding device and the paper separating device are connected through the arc-shaped plate, the paper has an upwarping process after passing through the arc-shaped plate, at this time, the stacked paper is slightly separated, at this time, the paper enters between the friction wheels and the paper separating rollers in the paper separating device, and the application further provides a plurality of paper separating devices, and the paper separating effect is further improved.

[0047] Embodiment two

[0048] The use method of the up-down roller paper separating mechanism as described in the embodiment one comprises the following steps:

[0049] The paper is placed on the placing plate, and the distance between the paper separating device and the paper feeding device is adjusted according to the length of the paper, so that the paper is not directly placed on the paper feeding device;

[0050] The second driving device is controlled to move downward by the controller, when the spring rod contacts the paper surface, the sensor sends a signal to the controller, the controller controls the second driving device to stop, so that the paper feeding device stays at a fixed position, then the controller sends a signal to the first driving device, drives the paper feeding roller to rotate, and feeds the paper to the paper separating device, and the paper separating device completes the paper separating.

[0051] The above only describes the preferred embodiments of the application and is not used to limit the application, and the application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A top and bottom roller sheet feeding mechanism characterized by comprising: The paper feeding device, the paper separating device and the placing plate are provided, the paper feeding device is arranged on the top of the placing plate, the paper on the placing plate can be transported to the paper separating device arranged on one side of the paper feeding device, the bottom of the paper separating device is provided with a sliding groove, the paper separating device can slide along the sliding groove, so as to adjust the distance between the paper separating device and the paper feeding device; The paper feeding device comprises a paper feeding roller, a first driving device is connected with the paper feeding roller and can drive the paper feeding roller to rotate; The paper feeding roller is connected with a second driving device, and the second driving device can drive the paper feeding roller to move up and down; The bottom of the paper feeding device is provided with a spring rod, the bottom end of the spring rod is lower than the lowest point of the paper feeding roller, the top of the spring rod is provided with a sensor, the sensor can sense whether the spring rod contacts the paper surface, the sensor is connected with a controller, and the controller is connected with the first driving device and the second driving device; The paper feeding roller further comprises a support, and the paper feeding roller is mounted on the support; The top of the support is fixedly connected with a top plate, the spring rod penetrates through the top plate, and the sensor is mounted on the top plate; the sensor is a photoelectric sensor, when the spring rod contacts the paper surface and moves up, the sensor can sense the spring rod and send a signal to the controller; The placing plate comprises a placing flat plate and an arc-shaped plate, and the placing flat plate is connected with the paper separating device through the arc-shaped plate.

2. The upper and lower roller paper separating mechanism according to claim 1, wherein A support frame is further provided, and the support is slidingly connected to the support frame.

3. The upper and lower roller paper separating mechanism according to claim 1, wherein The first driving device comprises a first motor, the paper feeding roller is provided in plurality, the plurality of paper feeding rollers are connected to the same rotating shaft, the rotating shaft is connected with the first motor, and the rotating shaft is mounted on the support through a bearing.

4. The upper and lower roller paper separating mechanism according to claim 1, wherein The second driving device comprises a second motor, a lead screw and a connecting plate, the second motor is connected with one end of the lead screw, and the other end of the lead screw is connected to the support through the connecting plate.

5. The upper and lower roller paper separating mechanism according to claim 1, wherein The paper separating device comprises a plurality of paper separating rollers and a friction wheel arranged in a staggered manner, the plurality of paper separating rollers are connected with the same rotating shaft, and the rotating shaft is connected with a third motor.

6. The upper and lower roller sheet separating mechanism according to claim 1, wherein The paper separating device is provided in two, and the two paper separating devices are arranged in sequence on one side of the paper feeding device.

7. A method of using a top and bottom roller sheet separating mechanism according to any one of claims 1-6, characterized in that, The steps include: The paper is placed on the placing plate, and the distance between the paper separating device and the paper feeding device is adjusted according to the length of the paper, so as to avoid that the paper directly rests on the paper feeding device; The second driving device is controlled to move downward by the controller, when the spring rod contacts the paper surface, the sensor sends a signal to the controller, the controller controls the second driving device to stop, so that the paper feeding device stays at a fixed position, then the controller sends a signal to the first driving device, drives the paper feeding roller to rotate, transports the paper to the paper separating device, and the paper separating device completes the paper separating.

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