Positioning mechanism of paper cutter

Abstract

The utility model relates to the technical field of paper cutting machines, and solves the problems that paper cannot be accurately cut due to the lack of paper positioning when personnel are protected. The paper cutter positioning mechanism comprises a U-shaped frame, fixing plates are fixedly connected to the top of the U-shaped frame in an axial symmetry mode, a first bearing is connected to the interior of one fixing plate in a sleeved mode, a limiting rod is fixedly connected to the side face of the other fixing plate, a threaded lead screw is connected to the interior of the first bearing in a sleeved mode, and a push frame is connected to the surface of the threaded lead screw in a threaded mode. A rotating hole is formed in the side face of the pushing frame, a positioning assembly used for fixing paper is rotationally connected into the rotating hole and comprises a right-and-left threaded rod rotationally connected into the rotating hole, one end of the surface of the right-and-left threaded rod is in threaded connection with a first L plate, and the other end of the surface of the right-and-left threaded rod is in threaded connection with a second L plate. One end of the right-and-left threaded rod is provided with a rotating ring for driving the right-and-left threaded rod to rotate forwards and backwards.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cutters, in particular to a positioning mechanism for a paper cutter. Background Art

[0002] A paper cutter positioning mechanism disclosed in publication number CN220146076U includes a frame, one side of the frame is open, and support legs are fixedly provided at the four corners of the bottom end of the frame, an electric push rod is fixedly provided at the top of the frame, and a paper cutting mechanism is fixedly provided at the bottom end of the electric push rod, and a blocking component for blocking the paper cutting mechanism is provided in the frame, and the blocking component includes a baffle plate provided between the paper cutting mechanism and the positioning component, and a first threaded rod is penetrated by the other side of the frame, and the first threaded rod is fixedly connected to the front part of one side of the baffle plate, and a threaded sleeve is threadedly connected to the outer end of the first threaded rod, and a gear is fixed to the outer end of the threaded sleeve, and a rack for driving the gear to rotate is meshed on the front side of the gear.

[0003] The paper cutting mechanism is blocked by a blocking component to prevent the cutter from accidentally falling and causing harm to personnel when operating on the frame, thereby improving safety.

[0004] However, when protecting personnel, there is a lack of positioning of the paper, which also causes the paper to be unable to be cut accurately. This solution does not have high accuracy in paper cutting. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a paper cutter positioning mechanism, which solves the problem that when protecting personnel, there is a lack of positioning of paper, which causes the paper to be unable to be cut accurately.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paper cutter positioning mechanism, comprising a U-shaped frame, the top of the U-shaped frame is axially symmetrically fixedly connected with a fixing plate, one of the fixing plates is internally sleeved with a first bearing, the side of the other fixing plate is fixedly connected with a limiting rod, the inside of the first bearing is sleeved with a threaded screw, the surface of the threaded screw is threadedly connected with a push frame, the side of the push frame is provided with a rotating hole, and the inside of the rotating hole is rotatably connected with a positioning component for fixing paper.

[0007] In a specific embodiment, the positioning assembly includes a forward and reverse threaded rod rotatably connected to the inside of the rotating hole, one end of the surface of the forward and reverse threaded rod is threadedly connected to a first L-plate, and the other end of the surface of the forward and reverse threaded rod is threadedly connected to a second L-plate, one end of the forward and reverse threaded rod is provided with a swivel for driving the forward and reverse rotation thereof, and the other end of the forward and reverse threaded rod is rotatably connected to the other side of the push frame, and the appearance of the first L-plate and the second L-plate are both L-shaped, and their longer sides are flush with the bottom of the U-shaped frame.

[0008] In a specific embodiment, a push plate is provided at the bottom of the push frame, and the bottom of the push plate is flush with the bottom of the U-shaped frame.

[0009] In a specific embodiment, a connecting plate is provided on the side of the push frame, a sliding rod is provided on the surface of the connecting plate, and the surface of the sliding rod is slidably connected to the inside of the first L plate and the second L plate.

[0010] In a specific embodiment, one end of the threaded screw is sleeved with a second bearing, the surface of the second bearing is sleeved with a baffle, and the bottom of the baffle is fixedly connected to one side of the top of the U-shaped frame.

[0011] In a specific embodiment, a fixing column is disposed at the bottom of the U-shaped frame, and a circular sheet is disposed at the bottom of the fixing column.

[0012] Compared with the prior art, the utility model provides a paper cutter positioning mechanism, which has the following beneficial effects:

[0013] In the technical solution disclosed by the utility model, by using the setting of the positioning component, during paper cutting, when the paper is inside the U-shaped frame, the first L-plate and the second L-plate can be moved in opposite directions by rotating the positive and negative threaded rods until they move to both sides of the paper, and the paper is fixed, so as to avoid the paper being offset when the push frame and the push plate drive the paper to the cutting device at a later time as the threaded screw drives the paper, thereby achieving the purpose of improving the cutting accuracy.

[0014] The first L-plate and the second L-plate provided by the utility model are both L-shaped in appearance, and the longer side thereof is flush with the bottom of the U-shaped frame. Since the bottoms of the first L-plate and the second L-plate are flush with the bottom of the U-shaped frame, when paper is placed inside the U-shaped frame, the paper can be positioned and clamped regardless of the thickness of the paper, thereby improving the efficiency of positioning the paper and further improving the efficiency of cutting the paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

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

[0017] Figure 2 This is a schematic diagram of the U-shaped frame structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the positioning component of the utility model;

[0019] Figure 4 It is a schematic diagram of the push frame structure of the utility model.

[0020] In the figure: 1, U-shaped frame; 2, fixed plate; 3, first bearing; 4, limit rod; 5, threaded screw; 6, push frame; 7, positioning assembly; 71, positive and negative threaded rods; 72, first L plate; 73, second L plate; 74, swivel; 8, push plate; 9, second bearing; 10, baffle; 11, slide rod. DETAILED DESCRIPTION

[0021] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0022] Figure 1-Figure 4 An embodiment of the utility model is a paper cutter positioning mechanism, comprising a U-shaped frame 1, the top of the U-shaped frame 1 is axially symmetrically fixedly connected with a fixing plate 2, one of the fixing plates 2 is sleeved with a first bearing 3, the side of the other fixing plate 2 is fixedly connected with a limit rod 4, the inside of the first bearing 3 is sleeved with a threaded screw 5, the surface of the threaded screw 5 is threadedly connected with a push frame 6, the side of the push frame 6 is provided with a rotating hole, and the inside of the rotating hole is rotatably connected with a positioning component 7 for fixing paper.

[0023] The specific problem addressed by this specific embodiment is: when protecting personnel, the paper is not positioned properly, which results in the paper not being accurately cut. The utility model utilizes the setting of the positioning component 7. During paper cutting, when the paper is inside the U-shaped frame 1, the first L-plate 72 and the second L-plate 73 can be moved in opposite directions by rotating the positive and negative threaded rods 71 ​​until they move to both sides of the paper, and the paper is fixed to avoid the paper being offset when the push frame 6 and the push plate 8 are driven by the threaded screw 5 to push the paper toward the cutting device, thereby achieving the purpose of improving cutting accuracy.

[0024] The positioning assembly 7 includes a forward and reverse threaded rod 71 rotatably connected to the inside of the rotating hole, one end of the surface of the forward and reverse threaded rod 71 is threadedly connected to the first L plate 72, and the other end of the surface of the forward and reverse threaded rod 71 is threadedly connected to the second L plate 73. One end of the forward and reverse threaded rod 71 is provided with a swivel 74 for driving its forward and reverse rotation, and the other end of the forward and reverse threaded rod 71 is rotatably connected to the other side of the push frame 6. In this specific embodiment, the appearance of the first L plate 72 and the second L plate 73 are both L-shaped, and the longer side thereof is flush with the bottom of the U-shaped frame 1. The appearance of the first L plate 72 and the second L plate 73 are both L-shaped, and the longer side thereof is flush with the bottom of the U-shaped frame 1. Since the bottom of the first L plate 72 and the second L plate 73 is flush with the bottom of the U-shaped frame 1, when the paper is placed inside the U-shaped frame 1, regardless of the thickness of the paper, the paper can be positioned and clamped, thereby improving the efficiency of positioning the paper, and thus improving the efficiency of cutting the paper.

[0025] In this specific embodiment, a push plate 8 is provided at the bottom of the push frame 6, and the bottom of the push plate 8 is flush with the bottom of the U-shaped frame 1, a connecting plate is provided on the side of the push frame 6, and a sliding rod 11 is provided on the surface of the connecting plate. The surface of the sliding rod 11 is slidably connected to the inside of the first L plate 72 and the second L plate 73, one end of the threaded screw 5 is sleeved with a second bearing 9, and the surface of the second bearing 9 is sleeved with a baffle 10, the bottom of the baffle 10 is fixedly connected to one side of the top of the U-shaped frame 1, and a fixing column is provided at the bottom of the U-shaped frame 1, and a circular sheet is provided at the bottom of the fixing column.

[0026] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0027] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paper cutter positioning mechanism, comprising a U-shaped frame (1), characterized in that: The top of the U-shaped frame (1) is fixedly connected to a fixing plate (2) in an axisymmetric manner, a first bearing (3) is sleeved inside one of the fixing plates (2), a limiting rod (4) is fixedly connected to the side of the other fixing plate (2), a threaded screw (5) is sleeved inside the first bearing (3), a push frame (6) is threadedly connected to the surface of the threaded screw (5), a rotating hole is opened on the side of the push frame (6), and a positioning component (7) for fixing paper is rotatably connected inside the rotating hole; The positioning assembly (7) comprises a forward and reverse threaded rod (71) rotatably connected to the inside of the rotating hole, one end of the surface of the forward and reverse threaded rod (71) is threadedly connected to a first L-plate (72), the other end of the surface of the forward and reverse threaded rod (71) is threadedly connected to a second L-plate (73), one end of the forward and reverse threaded rod (71) is provided with a rotating ring (74) for driving the forward and reverse threaded rod (71) to rotate forward and reverse, and the other end of the forward and reverse threaded rod (71) is rotatably connected to the other side of the push frame (6).

2. A paper cutter positioning mechanism according to claim 1, characterized in that: The first L-shaped plate (72) and the second L-shaped plate (73) are both L-shaped in appearance, and the longer side thereof is flush with the bottom of the U-shaped frame (1).

3. A paper cutter positioning mechanism according to claim 1, characterized in that: A push plate (8) is provided at the bottom of the push frame (6), and the bottom of the push plate (8) is flush with the bottom of the U-shaped frame (1).

4. A paper cutter positioning mechanism according to claim 1, characterized in that: A connecting plate is provided on the side of the push frame (6), a sliding rod (11) is provided on the surface of the connecting plate, and the surface of the sliding rod (11) is slidably connected to the inside of the first L-plate (72) and the second L-plate (73).

5. A paper cutter positioning mechanism according to claim 4, characterized in that: One end of the threaded screw rod (5) is sleeved with a second bearing (9), a baffle (10) is sleeved on the surface of the second bearing (9), and the bottom of the baffle (10) is fixedly connected to one side of the top of the U-shaped frame (1).

6. A paper cutter positioning mechanism according to claim 1, characterized in that: A fixing column is provided at the bottom of the U-shaped frame (1), and a circular piece is provided at the bottom of the fixing column.

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