Paper conveying device

Abstract

The utility model relates to the field of paper conveying systems, in particular to a paper conveying device which comprises a rack, a conveying mechanism is arranged on the rack and comprises a servo motor and a paper rolling mechanism, and the paper rolling mechanism comprises an upper pressing wheel shaft and a lower pressing wheel shaft which are arranged adjacently. The upper pressing wheel shaft and the lower pressing wheel shaft are both sleeved with a plurality of pressing wheel rollers, one end of the upper pressing wheel shaft is sleeved with an upper gear, one end of the lower pressing wheel shaft is sleeved with a lower gear, the upper gear is connected with the lower gear in a meshed mode, and the lower pressing wheel shaft is connected with the output end of the servo motor. The utility model provides a paper conveying device which can achieve accurate conveying of paper, ensures that the direction of the paper is not disordered, is high in paper size adaptability and meanwhile is stable and reliable in structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper conveying system field especially, relate to a paper conveying device. BACKGROUND

[0002] In the field of contemporary office and printing equipment, paper conveying device plays a vital role, its main responsibility is to accurately transmit paper from one location to another location, to ensure the smooth operation of subsequent printing or copying process.

[0003] However, the existing paper conveying device has several unsatisfactory places, which has affected the efficiency of the equipment and the user's experience to some extent.

[0004] First of all, a prominent problem is that the transmission speed of the existing paper conveying device is slow, which leads to the fact that the performance of the equipment cannot meet the actual demand in the case of handling a large number of documents or requiring fast and continuous printing.

[0005] In addition, the existing paper conveying device also faces a disturbing problem, that is, the direction of the paper is easy to be disordered. This phenomenon not only affects the beauty of the printing output, but also has a great impact on the subsequent production process. INVENTION CONTENTS

[0006] In view of the above shortcomings of the existing paper conveying device, the utility model provides a paper conveying device, which can realize accurate paper conveying and ensure that the direction of the paper is not disordered, and the structure is stable and reliable.

[0007] In order to achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:

[0008] A paper conveying device, comprising a rack, a conveying mechanism is arranged on the rack, the conveying mechanism comprises a servo motor and a paper rolling mechanism, the paper rolling mechanism comprises an upper pressure roller shaft and a lower pressure roller shaft arranged adjacent to each other, a plurality of pressure roller rollers are sleeved on the upper pressure roller shaft and the lower pressure roller shaft, an upper gear is sleeved on one end of the upper pressure roller shaft, a lower gear is sleeved on one end of the lower pressure roller shaft, the upper gear is connected with the lower gear in meshing, and the lower pressure roller shaft is connected with the output end of the servo motor.

[0009] According to one aspect of the utility model, the output end of the servo motor is connected with a speed reducer.

[0010] According to one aspect of the utility model, the output end of the speed reducer is connected with one end of a shaft coupling, and the other end of the shaft coupling is connected with the lower pressure roller shaft.

[0011] According to one aspect of the utility model, the width of the pressure roller roller located in the middle part of the upper pressure roller shaft and the lower pressure roller shaft is greater than the width of the pressure roller roller at both ends.

[0012] According to one aspect of the utility model, the lower gear and the upper gear are same size.

[0013] According to one aspect of the utility model, at least one conveying mechanism is arranged on the rack, and the conveying mechanisms are arranged side by side, and the paper is conveyed along the conveying mechanisms in turn.

[0014] According to one aspect of the utility model, the rack is also provided with a paper guiding mechanism, and the paper guiding mechanism is arranged between the upper pressure roller shaft and the lower pressure roller shaft.

[0015] According to one aspect of the utility model, a lower paper passage is further arranged, the lower paper passage is connected with the paper guiding mechanism, and the lower paper passage is arranged at the end of the paper conveying direction.

[0016] According to one aspect of the utility model, an upper paper passage is further arranged, the upper paper passage is connected with the paper guiding mechanism, and the upper paper passage is arranged at the front end of the paper conveying direction.

[0017] The utility model discloses the advantages of implementation: through the setting of servo motor, servo motor can adjust the conveying speed flexibly, satisfies the demand of different conveying speed, and simultaneously, servo motor has very strong equipment start-stop response effect; through adopting the shaft coupling transmission rotation, can reduce the influence of the vibration generated by servo motor to pressure roller, and simultaneously, the maintenance of paper conveying device is convenient; through the setting of paper guiding mechanism, paper can be guided to transmit backwards; a plurality of pressure rollers are arranged on the upper pressure roller shaft and the lower pressure roller shaft, the pressure roller can clamp paper, and the direction of paper can be ensured not to be disordered; through the parallel arrangement of multiple conveying mechanisms, the adaptability to different size paper is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying creative labor for the ordinary skilled in the art.

[0019] Figure 1 It is a top view of the paper conveying device of the utility model;

[0020] Figure 2 It is a left view of the paper conveying device of the utility model;

[0021] Figure 3 A paper conveying device in the conveying mechanism three-dimensional structure schematic diagram of the utility model.

[0022] In the figure, the label: 1, rack; 2, conveying mechanism; 21, servo motor; 22, speed reducer; 23, shaft coupling; 24, paper rolling mechanism; 241, upper pressure wheel shaft; 242, lower pressure wheel shaft; 243, pressure wheel roller; 25, upper gear; 26, lower gear; 3, paper passage; 4, paper; 5, paper guide mechanism. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be a middle element. If present, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the present application are for illustrative purposes only and do not represent the only implementation.

[0026] Example 1

[0027] A paper conveying device comprises a frame 1, a conveying mechanism 2 arranged on the frame 1, the conveying mechanism 2 comprising a servo motor 21 and a paper rolling mechanism 24, the paper rolling mechanism 24 comprising an upper roller shaft 241 and a lower roller shaft 242 arranged adjacently, a plurality of roller rollers 243 being sleeved on the upper roller shaft 241 and the lower roller shaft 242, paper passing between the roller rollers 243 on the upper roller shaft 241 and the roller rollers 243 on the lower roller shaft 242, an upper gear 25 being sleeved on one end of the upper roller shaft 241, a lower gear 26 being sleeved on one end of the lower roller shaft 242, the upper gear 25 being engaged with the lower gear 26, and the lower roller shaft 242 being connected with an output end of the servo motor 21. Preferably, the upper gear 25 and the lower gear 26 are arranged on the side of the servo motor 21. Through the arrangement of the servo motor 21, high-precision adjustment of the paper conveying speed can be realized, and the starting and stopping of the equipment can be quickly completed.

[0028] In the embodiment, a speed reducer 22 is connected with the output end of the servo motor 21. Through the arrangement of the speed reducer 22, the starting and stopping process of the paper conveying device can be more responsive.

[0029] In the embodiment, one end of a shaft coupling 23 is connected with the output end of the speed reducer 22, and the other end of the shaft coupling 23 is connected with the lower roller shaft 242. Through the shaft coupling 23, the rotation motion can be transmitted, the influence of the vibration generated by the servo motor 21 on the roller rollers 243 can be reduced, and the maintenance of the paper conveying device is facilitated.

[0030] In the embodiment, the width of the roller rollers 243 located in the middle part of the upper roller shaft 241 and the lower roller shaft 242 is greater than the width of the roller rollers 243 at both ends, and preferably, the sizes of the roller rollers 243 on the upper roller shaft 241 and the lower roller shaft 242 are the same, and the relative distance from the both ends of the frame 1 is consistent.

[0031] In the embodiment, the lower gear 26 is the same size as the upper gear 25.

[0032] In the embodiment, a paper guiding mechanism 5 is further arranged on the frame 1, the paper guiding mechanism 5 being arranged between the upper roller shaft 241 and the lower roller shaft 242, and preferably, the paper guiding mechanism 5 located at the roller rollers 243 is processed to be empty, so that the rotation of the roller rollers 243 can guide the paper at the same time.

[0033] Working principle: the servo motor 21 serves as a power source to drive the lower pressing wheel shaft 242 to rotate, the lower gear 26 on the lower pressing wheel shaft 242 drives the upper gear 25 connected therewith to rotate, thereby driving the upper pressing wheel shaft 241 to rotate in the opposite direction of the lower pressing wheel shaft 242, the pressing wheel rollers 243 on the upper and lower pressing wheel shafts clamp the paper to forwardly convey the paper, ensuring that the conveying direction of the paper is not disordered. Meanwhile, the conveying speed can be flexibly adjusted through the servo motor 21 to realize adjustable conveying speed.

[0034] Advantages of the embodiment: through the setting of the servo motor, the servo motor 21 can flexibly adjust the conveying speed to meet the diversified conveying speed requirements, meanwhile, the servo motor 21 has extremely strong device start-stop response effect; through the adoption of the shaft coupling to transmit the rotary motion, not only the adverse effects of the vibration generated by the servo motor 21 on the pressing wheel rollers 243 are reduced, but also the maintenance of the paper conveying device is facilitated; through the setting of the paper guiding mechanism 5, the paper can be guided to be conveyed backward; the upper pressing wheel shaft 241 and the lower pressing wheel shaft 242 are both sleeved with a plurality of pressing wheel rollers 243, the pressing wheel rollers 243 can clamp the paper to ensure that the direction of the paper is not disordered. The paper conveying device utilizes the servo motor 21 and the gear transmission mechanism to realize accurate forward and backward conveying function. The structure is compact, the integration degree is high, and it has single adjustment capability, and the operation is reliable and stable.

[0035] Embodiment 2

[0036] A paper conveying device, comprising a rack 1, a conveying mechanism 2 is arranged on the rack 1, the conveying mechanism 2 comprises a servo motor 21 and a paper rolling and pressing mechanism 24, the paper rolling and pressing mechanism 24 comprises an upper pressing wheel shaft 241 and a lower pressing wheel shaft 242 arranged adjacent to each other, a plurality of pressing wheel rollers 243 are sleeved on the upper pressing wheel shaft 241 and the lower pressing wheel shaft 242, the paper passes between the pressing wheel rollers 243 on the upper pressing wheel shaft 241 and the pressing wheel rollers 243 on the lower pressing wheel shaft 242, an upper gear 25 is sleeved on one end of the upper pressing wheel shaft 241, a lower gear 26 is sleeved on one end of the lower pressing wheel shaft 242, the upper gear 25 is connected with the lower gear 26 in meshing mode, and the lower pressing wheel shaft 242 is connected with the output end of the servo motor 21. Preferably, the upper gear 25 and the lower gear 26 are both arranged on the side of the servo motor 21. Through the setting of the servo motor 21, high-precision adjustment of the paper conveying speed can be realized, and the start and stop of the device can be quickly completed.

[0037] In the embodiment, a speed reducer 22 is connected with the output end of the servo motor 21. Through the setting of the speed reducer 22, the start and stop process of the paper conveying device can be more quickly responded.

[0038] In the embodiment, the output end of the speed reducer 22 is connected with one end of the shaft 23, and the other end of the shaft 23 is connected with the lower pressure roller shaft 242. The rotation is transmitted through the shaft 23, which can reduce the influence of the vibration generated by the servo motor 21 on the pressure roller 243, and facilitate the maintenance of the paper conveying device.

[0039] In the embodiment, the width of the pressure roller 243 located at the middle part of the upper pressure roller shaft 241 and the lower pressure roller shaft 242 is greater than the width of the pressure roller 243 at both ends, and preferably, the pressure roller 243 on the upper pressure roller shaft 241 is the same size as the pressure roller 243 on the lower pressure roller shaft 242, and the distance from the two ends of the rack 1 is consistent.

[0040] In the embodiment, the lower gear 26 is the same size as the upper gear 25.

[0041] In the embodiment, at least one conveying mechanism 2 is provided on the rack 1, and the conveying mechanisms 2 are arranged side by side, and the paper 4 is conveyed in sequence along the conveying mechanisms 2. Preferably, the number of the conveying mechanisms 2 can be set according to the size of the paper, and more conveying mechanisms 2 can be arranged side by side for larger paper, so as to realize the conveying of paper of different sizes.

[0042] In the embodiment, the rack 1 is also provided with a paper guiding mechanism 5, which is arranged between the upper pressure roller shaft 241 and the lower pressure roller shaft 242, and preferably, the paper guiding mechanism 5 located at the pressure roller 243 is processed to avoid the space, which facilitates the rotation of the pressure roller 243 and guides the paper at the same time.

[0043] In the embodiment, a paper outlet channel 3 is also included, which is connected with the paper guiding mechanism 5, and the paper outlet channel 3 is arranged at the end of the conveying direction of the paper 4. In the embodiment, an upper paper channel is also included, which is connected with the paper guiding mechanism 5, and the upper paper channel is arranged at the front end of the conveying direction of the paper 4.

[0044] Working principle: the servo motor 21 serves as a power source to drive the lower pressure roller shaft 242 to rotate, and the lower gear 26 on the lower pressure roller shaft 242 drives the upper gear 25 connected therewith to interact, so that the upper pressure roller shaft 241 and the lower pressure roller shaft 242 rotate in opposite directions synchronously. The pressure rollers 243 on the upper and lower pressure roller shafts clamp and convey the paper forward, and finally fall through the paper outlet channel 3, which ensures that the paper is always conveyed in the specified direction without dislocation. According to the size of the paper, a plurality of parallel conveying mechanisms 2 are arranged to realize the adaptability to paper of different sizes. In addition, through the flexible adjustment of the servo motor 21, the conveying speed can be adjusted to meet the different conveying speed requirements.

[0045] The advantages of the embodiment are that: through the arrangement of the servo motor, the servo motor 21 can flexibly adjust the conveying speed, meets the diversified conveying speed requirements, and the servo motor 21 has a strong device start-stop response effect; through the adoption of the shaft coupling to transmit the rotary motion, not only the vibration generated by the servo motor 21 has a bad influence on the compression roller 243, but also the maintenance of the paper conveying device is facilitated; through the arrangement of the paper guiding mechanism 5, the paper can be guided to be conveyed backward; the upper compression roller shaft 241 and the lower compression roller shaft 242 are both sleeved with a plurality of compression rollers 243, the compression rollers 243 can clamp the paper, and the direction of the paper can be ensured not to be disordered; through the parallel arrangement of a plurality of conveying mechanisms 2, the adaptability to different sizes of paper is realized. The paper conveying device utilizes the servo motor 21 and the gear transmission mechanism to realize the accurate forward and backward conveying function. The structure is compact, the integration degree is high, has a single adjustment capacity, and is reliable and stable in operation.

[0046] The advantages of the embodiment are that: through the arrangement of the servo motor, the servo motor can flexibly adjust the conveying speed, meets the diversified conveying speed requirements, and the servo motor has a strong device start-stop response effect; through the adoption of the shaft coupling to transmit the rotary motion, not only the vibration generated by the servo motor has a bad influence on the compression roller, but also the maintenance of the paper conveying device is facilitated; through the arrangement of the paper guiding mechanism, the paper can be guided to be conveyed backward; the upper compression roller shaft and the lower compression roller shaft are both sleeved with a plurality of compression rollers, the compression rollers can clamp the paper, and the direction of the paper can be ensured not to be disordered; through the parallel arrangement of a plurality of conveying mechanisms, the adaptability to different sizes of paper is realized. The paper conveying device utilizes the servo motor and the gear transmission mechanism to realize the accurate forward and backward conveying function. The structure is compact, the integration degree is high, has a single adjustment capacity, and is reliable and stable in operation.

[0047] The above describes only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A paper sheet conveying device comprising a frame (1) on which a conveying mechanism (2) is arranged, said conveying mechanism (2) comprising a servo motor (21) and a paper sheet rolling mechanism (24), characterized in that, The paper rolling mechanism (24) comprises upper and lower pressing roller shafts (241, 242) arranged adjacently, a plurality of pressing roller rollers (243) are sleeved on the upper and lower pressing roller shafts (241, 242), an upper gear (25) is sleeved on one end of the upper pressing roller shaft (241), a lower gear (26) is sleeved on one end of the lower pressing roller shaft (242), the upper gear (25) is in meshing connection with the lower gear (26), and the lower pressing roller shaft (242) is connected with the output end of the servo motor (21).

2. The paper sheet conveying apparatus according to claim 1, wherein The output end of the servo motor (21) is connected with a speed reducer (22).

3. The paper sheet conveying apparatus according to claim 2, wherein The output end of the speed reducer (22) is connected with one end of a shaft coupling (23), and the other end of the shaft coupling (23) is connected with the lower pressing roller shaft (242).

4. The paper sheet conveying apparatus according to claim 1, wherein The width of the pressing roller rollers (243) located in the middle of the upper and lower pressing roller shafts (241, 242) is greater than that of the pressing roller rollers (243) at both ends.

5. The paper sheet conveying apparatus according to claim 1, wherein The lower gear (26) is the same size as the upper gear (25).

6. The paper sheet conveying apparatus according to any one of claims 1 to 5, wherein At least one conveying mechanism (2) is arranged on the rack (1), the conveying mechanisms (2) are arranged side by side, and the paper (4) is conveyed along the conveying mechanisms (2) in sequence.

7. The paper sheet conveying apparatus according to claim 6, wherein The rack (1) is further provided with a paper guiding mechanism (5), and the paper guiding mechanism (5) is arranged between the upper and lower pressing roller shafts (241, 242).

8. The paper sheet conveying apparatus according to claim 7, wherein A lower paper channel (3) is further included, the lower paper channel (3) is connected with the paper guiding mechanism (5), and the lower paper channel (3) is arranged at the end of the conveying direction of the paper (4).

9. The paper sheet conveying apparatus according to claim 7, wherein An upper paper channel is further included, the upper paper channel is connected with the paper guiding mechanism (5), and the upper paper channel is arranged at the front end of the conveying direction of the paper (4).

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