Portable paper cutting device

Abstract

The utility model belongs to the technical field of thermo-sensitive paper processing, and particularly relates to a portable paper cutting device which comprises a workbench, a paper cutting mechanism, a supporting frame and a cooling mechanism, the supporting frame is arranged on the workbench, the paper cutting mechanism is connected to the supporting frame in a sliding mode, and the cooling mechanism is arranged on the workbench. The cooling mechanism comprises a cooling cavity with an opening in the lower end, an air inlet assembly and an air outlet assembly, the cooling cavity is formed in the front end of the paper cutting mechanism, a receding groove is formed in the inner side wall of the cooling cavity, and the air inlet assembly and the air outlet assembly are both arranged on the cooling cavity and penetrate into the cooling cavity. The cooling cavity arranged by the cooling mechanism can cool the cutting blade by cold air, so that the cutting blade is prevented from being influenced by temperature rise in continuous long-time operation, the color reaction of the thermal paper is prevented from being influenced, the color of the finished thermal paper is improved, and the defective rate of the product is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermal paper processing, and in particular relates to a convenient paper cutting device. Background Art

[0002] Thermal paper is a special coated paper, which looks similar to ordinary daily paper with a smooth surface. Thermal paper is made of ordinary paper as the base paper, and coated with a thermal color-forming layer, which is composed of adhesive, developer, and colorless dye (or leuco dye). The characteristic of this paper is that it can change color when heated, thus achieving the effect of thermal printing. Thermal paper needs to be cut during its processing.

[0003] In the prior art, when cutting thermal paper, the color development reaction of the thermal paper is often affected due to overheating of the cutting blade, resulting in insufficient color quality of the finished thermal paper or even unusable. Therefore, based on the above defects, the applicant proposes a better technical solution to solve the above technical problems.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The utility model aims to solve the above technical problems and provides a convenient paper cutting device, which mainly solves the technical problem in the prior art that when cutting thermal paper, the color reaction of the thermal paper is often affected by overheating of the cutting blade, resulting in insufficient color of the finished thermal paper or even unusable.

[0006] In order to achieve the above object, the technical solution of the utility model is:

[0007] A portable paper cutting device comprises a workbench, a paper cutting mechanism, a support frame and a cooling mechanism, wherein the support frame is arranged on the workbench, and the paper cutting mechanism is slidably connected to the support frame.

[0008] The cooling mechanism comprises a cooling cavity with an opening at the lower end, an air inlet assembly and an air outlet assembly. The cooling cavity is arranged at the front end of the paper cutting mechanism, and a clearance groove is opened on its inner wall. The air inlet assembly and the air outlet assembly are both arranged on the cooling cavity and penetrate into the interior of the cooling cavity.

[0009] Preferably, the air intake assembly includes an air intake joint pipe, an air intake main pipe and multiple air intake branch pipes, the air intake joint pipe is connected to the air intake main pipe, the air intake main pipe is a U-shaped structure and is snapped onto the cooling cavity, and the multiple air intake branch pipes are connected to both sides of the air intake main pipe and pass into the cooling cavity.

[0010] Preferably, the air outlet assembly includes an air outlet joint pipe, an air outlet main pipe and multiple air outlet branch pipes, the air outlet joint pipe is connected to the air outlet main pipe, the air outlet main pipe is arranged at the upper end of the cooling chamber, and the multiple air outlet branch pipes are all connected to the air outlet main pipe and pass into the cooling chamber.

[0011] Preferably, the paper cutting mechanism includes a slide, a hydraulic cylinder, a cutting motor and a cutting blade. The slide is slidably connected to the support frame, the cooling chamber is arranged at the front end of the slide, the hydraulic cylinder is arranged at the upper end of the slide and its telescopic end passes downward through the slide and is connected to the base block, the cutting motor is arranged at the lower end of the base block and its output end is connected to the cutting blade, the cutting blade and the cooling chamber are arranged correspondingly above and below, and when the hydraulic cylinder extends or contracts, it drives the cutting blade to cut or pass through the give way groove and be embedded in the cooling chamber.

[0012] Preferably, the support frame includes two base plates arranged on the workbench at intervals, a transmission screw, a guide rod and a driving motor, the driving motor is arranged on one of the base plates, and its output end is connected to the transmission screw, the transmission screw is rotatably connected between the two base plates, the guide rod is provided between the two base plates on one side of the transmission screw, threaded holes and guide holes corresponding to the transmission screw and guide rod are opened on the slide seat, the slide seat is threadedly connected to the transmission screw through the threaded holes, and the slide seat is slidably connected to the guide rod through the guide holes.

[0013] Preferably, guide plates are provided on both sides of the workbench between the two substrates.

[0014] Preferably, an avoidance groove corresponding to the cutting blade is provided on the workbench between the two substrates.

[0015] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0016] 1. The utility model provides a convenient paper cutting device, which has a simple structure and is easy to use. The cooling chamber provided by the cooling mechanism can cool the cutting blade by cold air, so as to avoid the temperature of the cutting blade rising during long-term operation and affecting the cutting of thermal paper, thereby avoiding affecting the color development reaction of thermal paper, improving the color of finished thermal paper, and reducing the defective rate of the product.

[0017] 2. In the utility model, the cooling chamber is provided with an air inlet assembly and an air outlet assembly to ensure that the cold air in the cooling chamber is continuously operated so that it is maintained in a specific low temperature environment so as to cool the cutting blade with cold air and ensure the continuous normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top view of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the cooling mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the interior of the cooling chamber of the utility model;

[0021] Figure 4 It is a connection diagram of the paper cutting mechanism and the cooling mechanism of the utility model.

[0022] The main component symbols in the figure are explained as follows:

[0023] 1. Workbench; 2. Paper cutting mechanism; 21. Slide; 211. Threaded hole; 212. Guide hole; 22. Hydraulic cylinder; 23. Cutting motor; 24. Cutting blade; 3. Support frame; 31. Base plate; 32. Transmission screw rod; 33. Guide rod; 34. Drive motor; 4. Cooling mechanism; 41. Cooling chamber; 411. Make way groove; 42. Air intake assembly; 421. Air intake joint pipe; 422. Air intake main pipe; 423. Air intake branch pipe; 43. Air outlet assembly; 431. Air outlet joint pipe; 432. Air outlet main pipe; 433. Air outlet branch pipe; 5. Base block; 6. Guide plate; 7. Make way groove. DETAILED DESCRIPTION

[0024] 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.

[0025] Example

[0026] like Figures 1 to 4 As shown, a portable paper cutting device comprises a workbench 1, a paper cutting mechanism 2, a support frame 3 and a cooling mechanism 4, wherein the support frame 3 is arranged on the workbench 1, the paper cutting mechanism 2 is slidably connected to the support frame 3, the cooling mechanism 4 comprises a cooling chamber 41 with an opening at the lower end, an air inlet assembly 42 and an air outlet assembly 43, the cooling chamber 41 is arranged at the front end of the paper cutting mechanism 2, and a clearance groove 411 is opened on the inner side wall thereof, the air inlet assembly 42 and the air outlet assembly 43 are both arranged on the cooling chamber 41 and pass into the interior of the cooling chamber 41; the utility model adopts the cooling chamber 41 provided with the cooling mechanism 4 to cool the paper cutting mechanism 2 with cold air, so as to avoid the temperature rising during the continuous long-term operation and affecting the cutting of the thermal paper, and avoid affecting the color development reaction of the thermal paper, thereby improving the color quality of the finished thermal paper and reducing the defective rate of the product.

[0027] In this embodiment, refer to Figure 2 and Figure 3 The air intake assembly 42 includes an air intake joint pipe 421, an air intake main pipe 422 and multiple air intake branch pipes 423. The air intake joint pipe 421 is connected to the air intake main pipe 422. The air intake main pipe 422 has a U-shaped structure and is buckled on the cooling cavity 41. The multiple air intake branch pipes 423 are connected to both sides of the air intake main pipe 422 and pass into the cooling cavity 41. Specifically, the air intake joint pipe 421 is connected to an external cold air source, and three air intake branch pipes 423 are allocated on both sides of the air intake main pipe 422. The entire upper, middle and lower areas are ventilated to ensure that the cooling cavity is maintained in a specific low temperature environment.

[0028] The air outlet component 43 includes an air outlet joint pipe 431, an air outlet main pipe 432 and multiple air outlet branch pipes 433. The air outlet joint pipe 431 is connected to the air outlet main pipe 432. The air outlet main pipe 432 is arranged at the upper end of the cooling chamber 41. The multiple air outlet branch pipes 433 are all connected to the air outlet main pipe 432 and pass into the interior of the cooling chamber 41; the air outlet joint pipe 431 is connected to the external pump body to ensure that the cold air in the cooling chamber 41 can be discharged to the outside through the air outlet joint pipe 431, assisted by the action of the air intake component 42 to ensure the continuous operation of the cold air in the cooling chamber 41, while preventing the cold air from overflowing from the lower end opening of the cooling chamber 41.

[0029] In this embodiment, the paper cutting mechanism 2 includes a slide 21, a hydraulic cylinder 22, a cutting motor 23 and a cutting blade 24. The slide 21 is slidably connected to the support frame 3. The cooling chamber 41 is arranged at the front end of the slide 21. The hydraulic cylinder 22 is arranged at the upper end of the slide 21 and its telescopic end passes downward through the slide 21 and is connected to the base block 5. The cutting motor 23 is arranged at the lower end of the base block 5 and its output end is connected to the cutting blade 24. The cutting blade 24 and the cooling chamber 41 are arranged correspondingly up and down. When the hydraulic cylinder 22 is extended or contracted, it drives the cutting blade 24 to cut or pass through the make way groove 411 and is embedded in the cooling chamber 41. When the cutting blade 24 is operated with air cooling, refer to Figure 4 The hydraulic cylinder 22 drives the cutting motor 23 to rise, and the output end of the cutting motor 23 passes through the make way slot 411 upward, so that the cutting blade 24 is embedded in the cooling chamber 41. Cold gas is continuously introduced from the air inlet branch pipe 423 and performs air cooling on the cutting blade 24, taking away its heat and lowering its temperature. Then, the cutting blade 24 is withdrawn and used to continue cutting the thermal paper.

[0030] Specifically, the support frame 3 includes two base plates 31 spaced apart on the workbench 1, a transmission screw 32, a guide rod 33 and a driving motor 34. The driving motor 34 is arranged on one of the base plates 31, and its output end is connected to the transmission screw 32. The transmission screw 32 is rotatably connected between the two base plates 31. A guide rod 33 is provided between the two base plates 31 on one side of the transmission screw 32. A threaded hole 211 and a guide hole 212 corresponding to the transmission screw 32 and the guide rod 33 are provided on the slide 21. The slide 21 is threadedly connected to the transmission screw 32 through the threaded hole 211, and the slide 21 is slidably connected to the guide rod 33 through the guide hole 212. The slide 21 can use the driving motor 34 to drive the transmission screw 32 to rotate in different directions in forward and reverse directions, thereby driving it to rotate back and forth on the transmission screw 32, so as to facilitate the cutting blade 24 to complete its cutting operation.

[0031] In this embodiment, guide plates 6 are provided on both sides of the workbench 1 between the two substrates 31; the setting of the guide plates 6 ensures the flatness of the thermal paper placed on the workbench 1; an avoidance groove 7 corresponding to the cutting blade 24 is provided on the workbench 1 between the two substrates 31; the setting of the avoidance groove 7 facilitates the cutting blade 24 to cut the thermal paper.

[0032] The working principle of this utility model:

[0033] The utility model provides a convenient paper cutting device. In specific operation, the thermal paper is delivered to the workbench 1, and the slide 21 can use the driving motor 34 to rotate and drive the transmission screw 32 to rotate in different directions, thereby driving it to run back and forth on the transmission screw 32, so that the cutting blade 24 can complete its cutting operation;

[0034] For specific air cooling operation of the cutting blade 24, refer to Figure 4 The hydraulic cylinder 22 drives the cutting motor 23 to rise, and the output end of the cutting motor 23 passes through the make way slot 411 upward, so that the cutting blade 24 is embedded in the cooling chamber 41. Cold gas is continuously introduced from the air inlet branch pipe 423 and performs air cooling on the cutting blade 24, taking away its heat and lowering its temperature. Then, the cutting blade 24 is withdrawn and used to continue cutting the thermal paper.

[0035] The above description is a detailed description of the preferred feasible embodiment of the utility model, but the embodiment is not used to limit the scope of the patent application of the utility model. All equivalent changes or modified changes completed under the technical spirit suggested by the utility model should fall within the patent scope covered by the utility model.

Claims

1. A portable paper cutting device, characterized in that: The invention comprises a workbench (1), a paper cutting mechanism (2), a support frame (3) and a cooling mechanism (4), wherein the support frame (3) is arranged on the workbench (1), and the paper cutting mechanism (2) is slidably connected to the support frame (3). The cooling mechanism (4) comprises a cooling cavity (41) with an opening at the lower end, an air inlet assembly (42) and an air outlet assembly (43); the cooling cavity (41) is arranged at the front end of the paper cutting mechanism (2), and a clearance groove (411) is opened on the inner wall thereof; the air inlet assembly (42) and the air outlet assembly (43) are both arranged on the cooling cavity (41) and penetrate into the interior of the cooling cavity (41).

2. A portable paper cutting device as claimed in claim 1, characterized in that: The air intake assembly (42) comprises an air intake joint pipe (421), an air intake main pipe (422) and a plurality of air intake branch pipes (423); the air intake joint pipe (421) is connected to the air intake main pipe (422); the air intake main pipe (422) is in a U-shaped structure and is buckled on the cooling cavity (41); and the plurality of air intake branch pipes (423) are connected to both sides of the air intake main pipe (422) and pass into the interior of the cooling cavity (41).

3. A portable paper cutting device as claimed in claim 1, characterized in that: The gas outlet assembly (43) comprises a gas outlet joint pipe (431), a gas outlet main pipe (432) and a plurality of gas outlet branch pipes (433); the gas outlet joint pipe (431) is connected to the gas outlet main pipe (432); the gas outlet main pipe (432) is arranged at the upper end of the cooling cavity (41); and the plurality of gas outlet branch pipes (433) are all connected to the gas outlet main pipe (432) and pass into the interior of the cooling cavity (41).

4. A portable paper cutting device as claimed in claim 1, characterized in that: The paper cutting mechanism (2) comprises a slide (21), a hydraulic cylinder (22), a cutting motor (23) and a cutting blade (24); the slide (21) is slidably connected to the support frame (3); the cooling chamber (41) is arranged at the front end of the slide (21); the hydraulic cylinder (22) is arranged at the upper end of the slide (21) and its telescopic end passes through the slide (21) downward to be connected to the base block (5); the cutting motor (23) is arranged at the lower end of the base block (5) and its output end is connected to the cutting blade (24); the cutting blade (24) and the cooling chamber (41) are arranged correspondingly up and down; when the hydraulic cylinder (22) is extended or contracted, it drives the cutting blade (24) to cut or pass through the clearance groove (411) and be embedded in the cooling chamber (41).

5. A portable paper cutting device as claimed in claim 4, characterized in that: The support frame (3) comprises two base plates (31) arranged at intervals on the workbench (1), a transmission screw (32), a guide rod (33) and a driving motor (34); the driving motor (34) is arranged on one of the base plates (31), and its output end is connected to the transmission screw (32); the transmission screw (32) is rotatably connected between the two base plates (31); the guide rod (33) is arranged between the two base plates (31) on one side of the transmission screw (32); a threaded hole (211) and a guide hole (212) corresponding to the transmission screw (32) and the guide rod (33) are opened on the slide seat (21); the slide seat (21) is threadedly connected to the transmission screw (32) through the threaded hole (211); the slide seat (21) is slidably connected to the guide rod (33) through the guide hole (212).

6. A portable paper cutting device as claimed in claim 5, characterized in that: Guide plates (6) are provided on both sides of the workbench (1) between the two base plates (31).

7. A portable paper cutting device as claimed in claim 5, characterized in that: An avoidance slot (7) corresponding to the cutting blade (24) is provided on the workbench (1) between the two base plates (31).

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