Paper cutter with anti-cutting hand structure

Abstract

The utility model discloses a paper cutting machine with prevent cutting hand structure relates to paper cutting machine field, the utility model discloses a paper cutting machine table is installed with fixed cylinder in the inside top of paper cutting machine table, the inside installation of fixed cylinder has return spring, and the top of return spring is connected with pressure rod. The utility model discloses through being provided with pivot, worm wheel, worm, knob and baffle, need not use this paper cutting machine (that is, paper cutting machine is in idle state), staff can rotate worm at this moment, and worm rotation will drive worm wheel rotation, then drive pivot rotation, then drive baffle rotation, make baffle rotate from horizontal state to vertical state to can shield the protection to cutting knife, avoid external object accidentally knock cutting knife and cause blade wear and tear, also avoid when carrying this paper cutting machine, and the cutting knife is touched accidentally to cutting knife and lead to being cut by the carrier, and the cutting knife is shielded and can be conveniently carried.

Description

Technical Field

[0001] This utility model relates to the field of paper cutters, specifically a paper cutter with a hand-cutting structure. Background Technology

[0002] A paper cutter is a common cutting device used to cut paper to the required size. It is widely used in industries such as office supplies, printing, and packaging. It mainly consists of a worktable, a paper pressing mechanism, and a cutting mechanism. The paper pressing mechanism presses the paper in place to ensure that the original positioning accuracy is not damaged during the cutting process. The cutting mechanism is used to cut the paper, while the worktable provides support.

[0003] Existing paper cutters with anti-cut hand structures use a rotating cutting blade to cut paper placed on a platform and pressed down. However, when the cutting is completed and the paper cutter is not used (i.e., the paper cutter is idle), the cutting blade is constantly exposed to the external environment. If an external object accidentally bumps into the cutting blade, the blade may chip or break due to the impact, which will affect the flatness and accuracy of subsequent cutting, reduce the lifespan of the cutting blade, and thus reduce the protective effect on the cutting blade. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a paper cutter with a hand-cutting structure to solve the technical problem that it is inconvenient to cover and protect the cutting blade when the paper cutter is idle.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a paper cutter with an anti-cut hand structure, comprising a paper cutter table, a fixed cylinder installed on the upper part of the paper cutter table, a return spring installed inside the fixed cylinder, and a pressure rod connected to the top of the return spring. The top of the pressure rod passes through the paper cutter table and a pressure plate is installed thereon by bolts. Two side plates are fixed on one side of the paper cutter table, and a fixed shell is installed on one side of the outer surface of the paper cutter table. A rotating shaft is connected between the two side plates by bearings. One end of the rotating shaft extends into the interior of the fixed shell. A baffle and a worm gear are respectively installed on the outer wall of the rotating shaft, and a worm is connected to the interior of the fixed shell by bearings.

[0006] By adopting the above technical solution, when the paper cutter is not needed, that is, when the paper cutter needs to be idle, the operator can rotate the worm gear, which will drive the worm wheel to rotate, and then drive the shaft to rotate.

[0007] Furthermore, a hinge seat is provided on one side of the back of the paper cutting machine platform, and a cutting blade is rotatably connected to the hinge seat.

[0008] By adopting the above technical solution, the paper can be cut when the cutting blade rotates and moves downward.

[0009] Furthermore, a handle is mounted on the outer surface of the cutting blade, and an anti-slip sleeve is provided on the outer wall of the handle.

[0010] By adopting the above technical solution, the anti-slip sleeve makes it easier for workers to grip the knife handle, and thus makes it easier to rotate the knife handle.

[0011] Furthermore, one end of the worm gear extends through to the outside of the fixed housing and is fitted with a knob, the outer wall of which is provided with anti-slip texture.

[0012] By adopting the above technical solution, it is convenient for staff to rotate the worm gear by turning the knob.

[0013] Furthermore, the worm gear meshes with the worm wheel.

[0014] By adopting the above technical solution, the worm gear can drive the worm wheel to rotate when it rotates, thereby driving the shaft to rotate.

[0015] Furthermore, elastic pads are fixed at both the top and bottom of the baffle, and the elastic pads are made of silicone rubber.

[0016] By adopting the above technical solution, the elastic pad can play a protective and buffering role, thereby improving the protective effect of the baffle.

[0017] Furthermore, one end of the rotating shaft located inside the fixed housing is connected to the fixed housing via a bearing, and a cover plate is installed on the outer surface of the fixed housing via screws.

[0018] By adopting the above technical solution, the shaft can be supported, thereby improving the stability of the shaft during rotation.

[0019] Furthermore, the return spring is made of stainless steel, and the pressure rod is slidably connected to the fixed cylinder.

[0020] By adopting the above technical solution, when the pressure plate moves down, it will drive the pressure rod to move down, causing the pressure rod to squeeze the return spring, and the return spring will be compressed by force.

[0021] Furthermore, the pressure plate is located directly above the paper cutting machine table, and the pressure plate is detachably connected to the pressure rod. The pressure plate is L-shaped.

[0022] By adopting the above technical solution, the worker's palm can press the pressure plate, causing the pressure plate to move down and press the paper. Because the pressure plate is L-shaped, it can prevent the worker's palm from sliding towards the cutting blade, thereby improving the anti-cut performance.

[0023] Furthermore, the baffle is rotatably connected to the side plate via a rotating shaft, and the baffle is made of polycarbonate material.

[0024] By adopting the above technical solution, the setting of the rotating shaft facilitates the rotation of the baffle, thereby allowing the position of the baffle to be adjusted.

[0025] In summary, the present invention has the following main advantages:

[0026] 1. This utility model, by setting up a rotating shaft, worm gear, worm, knob, and baffle, allows the paper cutter to be idle when not in use. At this time, the operator can rotate the worm, which will drive the worm gear to rotate, which in turn drives the rotating shaft to rotate, and then drives the baffle to rotate, so that the baffle changes from a horizontal state to a vertical state. This can protect the cutting blade from accidental impacts by external objects, preventing the blade from being worn. It also prevents the operator from accidentally touching the cutting blade and being cut when moving the paper cutter. Protecting the cutting blade also makes it easier to move the paper cutter.

[0027] 2. This utility model has an elastic pad. When the baffle blocks the cutting blade and is subjected to external impact, the elastic pad will deform and thus buffer the impact force, thereby improving the protective effect of the baffle on the cutting blade. At the same time, since the worm and worm wheel have self-locking properties, the worm wheel will not rotate when the worm is not rotated, that is, the shaft and the baffle will not rotate at will, thereby improving the stability of the baffle.

[0028] 3. This utility model has a pressure plate. Because the pressure plate is L-shaped, it can prevent the worker's palm from sliding towards the cutting blade, thereby improving the anti-cut performance and the safety of the paper cutter. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the overall back structure of this utility model;

[0031] Figure 3 This is a schematic diagram of the overall orthographic structure of this utility model;

[0032] Figure 4 This is a schematic diagram of the pressure plate structure of this utility model;

[0033] Figure 5 This is a schematic diagram of the baffle structure of this utility model;

[0034] Figure 6 This is a schematic diagram of the internal structure of the fixed shell of this utility model;

[0035] Figure 7 For the present utility model Figure 6 A magnified structural diagram of point A in the middle.

[0036] In the diagram: 1. Paper cutter stand; 2. Fixed cylinder; 3. Return spring; 4. Pressure rod; 5. Pressure plate; 6. Bolt; 7. Knife handle; 8. Hinge seat; 9. Cutting knife; 10. Fixed shell; 11. Worm gear; 12. Rotating shaft; 13. Worm; 14. Knob; 15. Side plate; 16. Baffle; 17. Elastic pad; 18. Cover plate. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0038] The embodiments of this utility model will be described below based on its overall structure.

[0039] Example 1:

[0040] A paper cutter with a hand-cutting structure, such as Figures 1-7 As shown, the paper cutter includes a paper cutter stand 1. A hinge seat 8 is provided on one side of the back of the paper cutter stand 1. A cutting blade 9 is rotatably connected to the hinge seat 8. When the cutting blade 9 rotates and moves downward, it can cut the paper. A handle 7 is installed on the outer surface of the cutting blade 9. An anti-slip sleeve is provided on the outer wall of the handle 7. The anti-slip sleeve makes it easier for the operator to hold the handle 7 and thus easier to rotate the handle 7. A fixed cylinder 2 is installed on the upper part of the inside of the paper cutter stand 1. A return spring 3 is installed inside the fixed cylinder 2. A pressure rod 4 is connected to the top of the return spring 3. The top of the pressure rod 4 passes through the paper cutter stand 1 and a pressure plate 5 is installed through bolts 6. Two side plates 15 are fixed on one side of the paper cutter stand 1. A fixed shell 10 is installed on one side of the outer surface of the paper cutter stand 1. A rotating shaft 12 is connected between the two side plates 15 through bearings.

[0041] Specifically, one end of the rotating shaft 12 extends into the interior of the fixed housing 10. A baffle 16 and a worm gear 11 are respectively installed on the outer wall of the rotating shaft 12. A worm 13 is connected to the interior of the fixed housing 10 through a bearing. When the paper cutter is not needed, i.e., when the paper cutter is idle, the operator can rotate the worm 13. The rotation of the worm 13 will drive the worm gear 11 to rotate, which in turn drives the rotating shaft 12 to rotate. The worm 13 and the worm gear 11 mesh, which makes it easy for the worm 13 to drive the worm gear 11 to rotate, and then drive the rotating shaft 12 to rotate. One end of the rotating shaft 12 located inside the fixed housing 10 is connected to the fixed housing 10 through a bearing. A cover plate 18 is installed on the outer surface of the fixed housing 10 with screws to support the rotating shaft 12, thereby improving the stability of the rotating shaft 12 when rotating. The upper side of one side of the baffle 16 is arc-shaped to facilitate the rotation of the baffle 16.

[0042] See Figures 1-6 The return spring 3 is made of stainless steel. The pressure rod 4 is slidably connected to the fixed cylinder 2. When the pressure plate 5 moves down, it will drive the pressure rod 4 down, causing the pressure rod 4 to squeeze the return spring 3, and the return spring 3 will be compressed. The pressure plate 5 is located directly above the paper cutting machine table 1. The pressure plate 5 is detachably connected to the pressure rod 4. The pressure plate 5 is L-shaped, and the operator's palm can press the pressure plate 5, causing the pressure plate 5 to move down and press the paper. Because the pressure plate 5 is L-shaped, it can prevent the operator's palm from pressing down on the paper. The cutting blade slides in a certain direction to improve the anti-cutting effect. The baffle 16 is rotatably connected to the side plate 15 through the pivot 12. The baffle 16 is made of polycarbonate material. The pivot 12 is set to facilitate the rotation of the baffle 16, thereby adjusting the position of the baffle 16. When the cutting blade 9 is closed, the bottom height of the handle 7 will be higher than the top height of the fixed shell 10, and the bottom height of the cutting blade 9 will be higher than the top height of the baffle 16 in the horizontal state. The bottom height of the fixed shell 10 is slightly higher than the bottom height of the paper cutting machine table 1.

[0043] Example 2:

[0044] Based on the above embodiment one, the following structure will be set to facilitate the rotation of the worm gear 13 by the staff.

[0045] Specifically, one end of the worm gear 13 extends through the outside of the fixed housing 10 and is fitted with a knob 14. The outer wall of the knob 14 is provided with anti-slip texture, which makes it easy for the operator to rotate the worm gear 13 through the knob 14, and the anti-slip texture can improve the anti-slip effect.

[0046] Example 3:

[0047] Based on the above embodiment 1, the following structure will be set to improve the protective effect of the baffle 16.

[0048] See Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 Elastic pads 17 are fixed at the top and bottom of the baffle 16. One side of the elastic pad 17 is attached to the paper cutter table 1. The elastic pad 17 is made of silicone rubber material. The elastic pad 17 can play a protective and buffering role, thereby improving the protective effect of the baffle 16.

[0049] The working principle of this utility model is as follows: First, when the paper cutter is to be used, the operator can first rotate the worm gear 13 by the knob 14. The rotation of the worm gear 13 will drive the worm wheel 11 to rotate, which in turn drives the rotating shaft 12 to rotate. The rotating shaft 12 will drive the baffle 16 to rotate. When the baffle 16 rotates from the vertical state to the horizontal state, the operator no longer rotates the worm gear 13. At this time, the baffle 16 no longer blocks the cutting blade 9.

[0050] When using the paper cutter, the worker places the paper on the paper cutter table 1, and then rotates the cutting blade 9 through the handle 7 to open the cutting blade 9. Next, the paper is pushed to the predetermined cutting position, and then the worker presses the pressure plate 5 with the other palm, so that the pressure plate 5 moves down and presses down on the paper. At the same time, since the pressure plate 5 is L-shaped, it can prevent the worker's palm from sliding towards the cutting blade 9, thereby preventing the worker's palm from being cut. Then, the cutting blade 9 is rotated downwards to cut the paper, and the cut paper scraps fall onto the elastic pad 17 for the worker to pick up later.

[0051] When the paper cutter is not in use, i.e., when it is idle, the cutting blade 9 is engaged. The operator can then rotate the worm gear 13 via knob 14. The rotation of the worm gear 13 drives the worm wheel 11, which in turn drives the rotating shaft 12, causing the baffle 16 to rotate from a horizontal to a vertical position. The elastic pad 17, originally located at the top of the baffle 16, then comes into contact with the cutting blade 9, thus protecting it from accidental impacts by external objects. This design prevents the blade from wearing out and also avoids accidental contact with the cutting blade 9 during the handling of the paper cutter, thus preventing injuries. When the baffle 16 blocks the cutting blade 9 and is subjected to external impact, the elastic pad 17 on the outer side will deform to buffer the impact force, thereby improving the protective effect of the baffle 16 on the cutting blade 9. At the same time, since the worm 13 and worm wheel 11 have self-locking properties, the worm wheel 11 will not rotate without rotating the worm 13, that is, the shaft 12 and the baffle 16 will not rotate arbitrarily.

[0052] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A paper cutter with a hand-cutting structure, comprising a paper cutter table (1), characterized in that: A fixed cylinder (2) is installed above the inside of the paper cutting machine platform (1). A return spring (3) is installed inside the fixed cylinder (2), and a pressure rod (4) is connected to the top of the return spring (3). The top of the pressure rod (4) passes through the paper cutting machine platform (1) and is fitted with a pressure plate (5) by bolts (6). Two side plates (15) are fixed on one side of the paper cutting machine platform (1). A fixed shell (10) is installed on one side of the outer surface of the paper cutting machine platform (1). A rotating shaft (12) is connected between the two side plates (15) by bearings. One end of the rotating shaft (12) extends into the inside of the fixed shell (10). A baffle (16) and a worm gear (11) are respectively installed on the outer wall of the rotating shaft (12). A worm (13) is connected to the inside of the fixed shell (10) by bearings.

2. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: The back side of the paper cutting machine table (1) is provided with a hinge seat (8), and a cutting blade (9) is rotatably connected to the hinge seat (8).

3. A paper cutter with an anti-cut hand structure according to claim 2, characterized in that: The outer surface of the cutting blade (9) is fitted with a handle (7), and the outer wall of the handle (7) is provided with an anti-slip sleeve.

4. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: One end of the worm gear (13) extends through the outside of the fixed shell (10) and is fitted with a knob (14), the outer wall of which is provided with anti-slip texture.

5. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: The worm (13) meshes with the worm wheel (11).

6. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: The top and bottom of the baffle (16) are both fixed with elastic pads (17), which are made of silicone rubber.

7. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: The rotating shaft (12) is connected to the fixed housing (10) at one end via a bearing, and a cover plate (18) is installed on the outer surface of the fixed housing (10) via screws.

8. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: The reset spring (3) is made of stainless steel, and the pressure rod (4) is slidably connected to the fixed cylinder (2).

9. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: The pressure plate (5) is located directly above the paper cutting machine table (1). The pressure plate (5) is detachably connected to the pressure rod (4). The pressure plate (5) is L-shaped.

10. A paper cutter with an anti-cut hand structure according to claim 1, characterized in that: The baffle (16) is rotatably connected to the side plate (15) via a rotating shaft (12), and the baffle (16) is made of polycarbonate material.

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