Paper clamping limiting device

Abstract

The utility model discloses a paper clamping limiting device which comprises a paper placing bottom plate, a fixed paper clamping plate is arranged on one side of the upper end of the paper placing bottom plate, a movable paper clamping plate is arranged on the other side of the upper end of the paper placing bottom plate through a lead screw, a first lifting plate is arranged on the upper portion in the paper placing bottom plate through an electric push rod, and a second lifting plate is elastically inserted into one side of the first lifting plate. The fixed paper clamping plate is arranged on one side of the upper end of the paper placing bottom plate, and the movable paper clamping plate is arranged on the other side of the upper end of the paper placing bottom plate through the lead screw, so that the movable paper clamping plate is driven by the lead screw to move and adjust; therefore, the distance between the fixed paper clamping plate and the movable paper clamping plate can be adjusted, paper of different widths can be limited, and the paper feeding precision of the printer can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper clamping and limiting of printers, in particular to a paper clamping and limiting device. Background Art

[0002] Printers are common office equipment. When using printers, one of the main operations of users is changing paper. In the related art, printers are usually provided with a paper clamping and limiting device. When users change paper, they need to put the paper roll into the paper clamping and limiting device. However, some existing paper clamping and limiting devices require the axis of the paper roll to be positioned during the paper changing operation, which increases the difficulty and time of operation. Some can only limit the paper rolls of several specific widths, which reduces the applicability of the paper clamping and limiting device.

[0003] The prior art discloses a paper clamping and limiting device and a printer with application number 202321387557.6, wherein the paper clamping and limiting device comprises a base assembly, a first clamping member, a second clamping member and an adjusting assembly, wherein the base assembly is provided with a fixed seat, a first slider and a second slider, the first slider and the second slider can be slidably installed on the fixed seat in opposite directions, the first clamping member is connected to the first slider, the second clamping member is connected to the second slider, and forms a clamping space with the first clamping member, the adjusting assembly can adjust the stroke of the first slider or the second slider to adjust the width of the clamping space, when the paper clamping and limiting device is loaded with paper, there is no need to perform axial positioning of the paper roll, and the paper rolls of different widths can be effectively limited, the paper clamping and limiting device has high adaptability and is very convenient to operate, which is conducive to improving the convenience of paper loading, reducing the time of paper loading, and improving printing efficiency, but the width of the clamping space is inconvenient to adjust, and the adjustment accuracy is low, and it is difficult to meet the use and processing of paper loading at different heights. Utility Model Content

[0004] The utility model aims to provide a paper clamping and limiting device to solve the problems that the width of the clamping space in the prior art is inconvenient to adjust, the adjustment accuracy is low, and it is difficult to meet the problem of handling paper at different heights.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paper clamping and limiting device, including a paper placing bottom plate, a fixed paper clamping board is provided on one side of the upper end of the paper placing bottom plate, a movable paper clamping board is provided on the other side of the upper end of the paper placing bottom plate through a screw, a first lifting plate is provided on the upper inner part of the paper placing bottom plate through an electric push rod, a second lifting plate is elastically inserted on one side of the first lifting plate, and the first lifting plate and the second lifting plate are telescopically adjusted by moving the movable paper clamping board.

[0006] Furthermore, the screw includes a screw rotatably arranged in a slide groove on the upper side of the paper placing base plate, a first slider is threadedly arranged on the outer side of the screw, and the lower end of the movable clamping paper board is fixedly connected to the first slider, and one end of the screw is transmission-connected to a servo motor.

[0007] Furthermore, the slide groove is a rectangular groove, and two groups of the slide groove, the screw rod and the first sliding block are arranged in parallel.

[0008] Furthermore, a telescopic chamber is provided inside one end of the first lifting plate, and one end of the second lifting plate is elastically slidably arranged in the telescopic chamber through a second slider and a spring.

[0009] Furthermore, a gasket is provided on the upper side of one end of the second lifting plate, and the upper surface of the gasket is flush with the upper surface of the first lifting plate.

[0010] Furthermore, guide convex ribs are arranged on the inner sides of the fixed clamping board and the movable clamping board, and one end of the first lifting plate and the second lifting plate are both slidably arranged through the guide groove and the guide convex ribs.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with a fixed paperboard on one side of the upper end of the paper placing bottom plate, and a movable paperboard is provided on the other side of the upper end of the paper placing bottom plate through a lead screw, so that the movable paperboard is driven by the lead screw to move and adjust, thereby adjusting the distance between the fixed paperboard and the movable paperboard, thereby meeting the position limiting processing of papers of different widths, and the adjustment is convenient and fast, with high precision, which is beneficial to improving the precision of paper loading on the printer.

[0013] 2. The utility model also has a first lifting plate on the upper inner part of the paper placing bottom plate through an electric push rod, so that the first lifting plate can be driven by the electric push rod to lift and adjust, thereby being able to adjust the height of the paper placed on the paper placing bottom plate to meet the use and processing of paper at different heights.

[0014] 3. The utility model elastically inserts a second lifting plate on one side of the first lifting plate, and the first lifting plate and the second lifting plate are telescopically adjusted by moving the movable clamping paper board, so that the lifting plate can adjust its use width according to the distance between the fixed clamping paper board and the movable clamping paper board, thereby improving the flexibility of the lifting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is the overall structural front view of the utility model;

[0018] Figure 3This is a schematic diagram of the first lifting plate structure of the utility model.

[0019] In the figure: 1. paper placing base plate; 2. fixed paper clip; 3. slide groove; 4. first slider; 5. screw rod; 6. movable paper clip; 7. first lifting plate; 8. guide ribs; 9. guide groove; 10. telescopic chamber; 11. second slider; 12. spring; 13. electric push rod; 14. gasket; 15. second lifting plate; 16. servo motor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 , Figure 3 In the embodiment of the utility model, a paper clamping and limiting device includes a paper placing base plate 1, a fixed paper clamping board 2 is provided on one side of the upper end of the paper placing base plate 1, and a movable paper clamping board 6 is provided on the other side of the upper end of the paper placing base plate 1 through a screw, the screw includes a screw rod 5 rotatably arranged in a slide groove 3 on the upper side of the paper placing base plate 1, a first slider 4 is provided on the outer side of the screw rod 5, and the lower end of the movable paper clamping board 6 is fixedly connected to the first slider 4, and one end of the screw rod 5 is transmission-connected to a servo motor 16, the slide groove 3 is a rectangular groove, and the slide groove 3, the screw rod 5 and the first slider 4 are provided with two groups in parallel, so that the movable paper clamping board 6 is driven by the screw to move and adjust, so that the spacing between the fixed paper clamping board 2 and the movable paper clamping board 6 can be adjusted, thereby meeting the paper limiting processing of papers of different widths, which is beneficial to improving the accuracy of paper loading on the printer.

[0022] Figure 1 and Figure 2 As shown, in order to meet the needs of paper loading at different heights, a first lifting plate 7 is provided on the upper inner portion of the paper loading base plate 1 through an electric push rod 13, so that the first lifting plate 7 can be driven to rise and fall by the electric push rod 13, thereby adjusting the height of the paper placed on the paper loading base plate 1.

[0023] Figure 2 and Figure 3As shown in the figure, in order for the lifting plate to adjust its usable width according to the distance between the fixed clamping paperboard 2 and the movable clamping paperboard 6, a second lifting plate 15 is elastically inserted on one side of the first lifting plate 7. A telescopic chamber 10 is provided inside one end of the first lifting plate 7. One end of the second lifting plate 15 is elastically slidably arranged in the telescopic chamber 10 through a second slider 11 and a spring 12. The first lifting plate 7 is arranged as a U-shaped plate, and the second lifting plate 15 is arranged as a rectangular plate. The distance between the first lifting plate 7 and the second lifting plate 15 is adjusted by moving the movable clamping paperboard 6, so that the usable width of the lifting plate can be adjusted according to the distance between the fixed clamping paperboard 2 and the movable clamping paperboard 6, improving the flexibility of the lifting plate. A gasket 14 is provided on the upper side of one end of the second lifting plate 15, and the upper surface of the gasket 14 is flush with the upper surface of the first lifting plate 7, facilitating the parallel placement of the printing paper on the lifting plate.

[0024] Figure 1 and Figure 2 As shown in the figure, in order to improve the stability of the lifting adjustment of the lifting plate, guiding ribs 8 are provided on the inner sides of the fixed clamping paperboard 2 and the movable clamping paperboard 6. One end of the first lifting plate 7 and the second lifting plate 15 are both slidably arranged with the guiding ribs 8 through guiding grooves 9, enabling sliding guidance during the lifting adjustment of the lifting plate, which is beneficial to improving the stability of the lifting adjustment of the lifting plate.

[0025] The working principle and usage process of the present utility model: When in use, through the fixed clamping paperboard 2 provided on one side of the upper end of the paper placing bottom plate 1, and the movable clamping paperboard 6 is provided on the other side of the upper end of the paper placing bottom plate 1 through a lead screw, the movable clamping paperboard 6 is driven to move and adjust through the lead screw, so that the distance between the fixed clamping paperboard 2 and the movable clamping paperboard 6 can be adjusted, thereby meeting the limit treatment of papers with different widths, which is beneficial to improving the paper feeding accuracy of the printer; moreover, the first lifting plate 7 is provided in the upper part of the paper placing bottom plate 1 through an electric push rod 13, so that the first lifting plate 7 is driven to lift and adjust through the electric push rod 13, thereby being able to adjust the height of the paper placed on the paper placing bottom plate 1 and meeting the paper feeding use treatment with different heights.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A paper clamping and limiting device, comprising a paper placing bottom plate (1), characterized in that: A fixed paperboard (2) is provided on one side of the upper end of the paper placing bottom plate (1), a movable paperboard (6) is provided on the other side of the upper end of the paper placing bottom plate (1) via a lead screw, a first lifting plate (7) is provided on the upper inner part of the paper placing bottom plate (1) via an electric push rod (13), a second lifting plate (15) is elastically inserted on one side of the first lifting plate (7), and the first lifting plate (7) and the second lifting plate (15) are telescopically adjusted by moving the movable paperboard (6).

2. A paper clamping and limiting device according to claim 1, characterized in that: The screw comprises a screw (5) rotatably arranged in a slide groove (3) on the upper side of the paper placing bottom plate (1); a first slider (4) is provided on the outer side of the screw (5) through a thread; the lower end of the movable clamping paper (6) is fixedly connected to the first slider (4); and one end of the screw (5) is transmission-connected to a servo motor (16).

3. A paper clamping and limiting device according to claim 2, characterized in that: The slide groove (3) is a rectangular groove, and two groups of the slide groove (3), the screw rod (5) and the first sliding block (4) are arranged in parallel.

4. The paper clamping and limiting device according to claim 1, characterized in that: A telescopic chamber (10) is provided inside one end of the first lifting plate (7), and one end of the second lifting plate (15) is elastically slidably disposed in the telescopic chamber (10) via a second slider (11) and a spring (12).

5. A paper clamping and limiting device according to claim 4, characterized in that: A gasket (14) is provided on the upper side of one end of the second lifting plate (15), and the upper surface of the gasket (14) is arranged flush with the upper surface of the first lifting plate (7).

6. A paper clamping and limiting device according to claim 1, characterized in that: The fixed clamping paper board (2) and the movable clamping paper board (6) are provided with guide convex ribs (8) on the inner sides, and one end of the first lifting plate (7) and the second lifting plate (15) are both slidably arranged through the guide groove (9) and the guide convex ribs (8).

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