Paper cutting machine with high precision and smooth cutting

Abstract

The utility model discloses a high-precision and flat-cutting paper cutter, which relates to the technical field of paper cutting and comprises a main body. The main body comprises a front workbench and a rear workbench which are arranged in a butt joint mode, a cutting opening formed in the opposite positions of the front workbench and the rear workbench, a paper pressing mechanism and a cutting mechanism which are arranged on the cutting opening, a paper pushing mechanism arranged on the rear workbench, and an air pressure mechanism arranged on the cutting opening and close to the direction of the front workbench. The air pressure mechanism comprises a fan, a main pipeline and an exhaust plate, the fan is installed on the main body, the exhaust plate is arranged at the upper end of the cutting opening, one end of the main pipeline is connected to the fan, and the other end of the main pipeline communicates with the exhaust plate; wherein an air outlet of the air exhaust plate faces the front end of the paper stack, the air pressure effect is generated on the paper on the surface through air flow, it can be guaranteed that the paper on the surface of the paper stack cannot be warped or curled during cutting, it is guaranteed that the paper is even in size and tidy in edge after being cut, and the high-precision cutting requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper cutting technical field especially relates to a high accuracy cutting flat paper cutting machine. BACKGROUND

[0002] The paper cutting machine is used to handle the paper cutting demand in the later printing stage, and is widely used in cutting paper, leather, plastic, paperboard and other materials, and mainly comprises a main machine (also known as a gantry), a workbench, a paper pushing mechanism, a paper pressing mechanism, a cutting mechanism and the like. The paper pushing mechanism is used to push and position the paper and make the paper flat, the paper pressing mechanism is used to press the paper in position, so as to ensure that the original positioning accuracy is not damaged during the cutting process, and then the paper is cut through the cutting mechanism.

[0003] With the continuous expansion of the paper application scenarios, the types of paper handled by the paper cutting machine are also increasing, for example, when some thin paper is stacked into a paper stack and placed on the workbench for cutting, the thin paper is relatively light in weight, and the surface of the paper is prone to warping or rolling. At this time, if not paid attention to, the cut paper will have uneven size and uneven edges, which cannot meet the high-precision cutting requirements.

[0004] Therefore, it is necessary to provide a new technical scheme to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a technical scheme capable of solving the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a high-precision cutting flat paper cutting machine, comprising a main body, the main body comprising a front workbench and a rear workbench arranged in abutment with each other, a cutting opening arranged on the opposite side of the front workbench and the rear workbench, a paper pressing mechanism and a cutting mechanism arranged on the cutting opening, a paper pushing mechanism arranged on the rear workbench, and an air pressure mechanism arranged on the cutting opening close to the front workbench direction.

[0007] The air pressure mechanism comprises a fan, a main pipeline and an exhaust plate, the fan is installed on the main body, the exhaust plate is arranged on the upper end of the cutting opening, one end of the main pipeline is connected to the fan, and the other end is connected to the exhaust plate.

[0008] Among them, the air outlet of the exhaust plate faces the front end of the paper stack.

[0009] As a further scheme of the utility model, the air pressure mechanism further comprises a deflection plate and an extension tube.

[0010] The deflection air baffle is arranged at the lower end of the exhaust air baffle, and the upper and lower ends of the deflection air baffle are both provided with openings.

[0011] As a further scheme of the utility model, the lower end of the exhaust air baffle is provided with connecting plates on both sides, and the lower end of the connecting plate is provided in a semicircular structure.

[0012] The upper end of the deflection air baffle is provided with a slot corresponding to the position of the connecting plate on both sides, and a rotating shaft is arranged in the slot.

[0013] As a further scheme of the utility model, the exhaust air baffle is provided with a plurality of branch pipes, and the plurality of branch pipes are all connected with the main pipeline.

[0014] As a further scheme of the utility model, a fixed column is arranged between the upper end of the exhaust air baffle and the upper wall of the cutting opening.

[0015] As a further scheme of the utility model, the fan is an ion fan.

[0016] As a further scheme of the utility model, a control panel is further arranged on the main body, and the control panel is electrically connected with the paper pressing mechanism, the cutting mechanism, the paper pushing mechanism and the air pressure mechanism.

[0017] Compared with the prior art, the beneficial effects of the technical scheme are as follows: when in use, the paper stack is placed on the rear workbench, the paper stack is pushed to the lower side of the paper pressing mechanism and the cutting mechanism by the paper pushing mechanism, and the size to be cut is adjusted, then the paper pressing mechanism is started to press the paper stack, and the fan and the cutting mechanism are started, the fan delivers airflow to the main pipeline, the airflow is discharged after entering the exhaust air baffle, the air outlet of the exhaust air baffle faces the front end of the paper stack, air pressure is formed on the surface paper, under the air pressure of the airflow, the surface paper can always adhere to the paper stack, and the airflow can blow the surface paper flat, in this state, the cutting mechanism cuts the paper stack, so that the paper with a thin thickness on the surface of the paper stack will not be warped or rolled, the size of the cut paper is uniform, the edge is neat, the high-precision cutting requirement is met.

[0018] When cutting paper with different lengths, the air outlet of the deflection air baffle 84 is aligned with the front end of the paper stack by rotating the deflection air baffle 84, the deflection air baffle is connected with the exhaust air baffle through the telescopic pipe, the telescopic characteristic of the telescopic pipe is utilized, so that the deflection air baffle can be fixed after being rotated to the rear, and then the surface paper of the paper stack with different lengths is subjected to air pressure, the adaptability of the air pressure function is improved, and the effect of air pressure on the surface paper is improved.

[0019] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a structural schematic diagram of the present invention from another perspective;

[0023] Figure 3 This is a schematic diagram of the wind pressure mechanism of this utility model;

[0024] Figure 4 yes Figure 3 Enlarged schematic diagram of a local structure at point A;

[0025] The corresponding labels in the attached diagram are explained as follows:

[0026] 1. Main body; 2. Front worktable; 3. Rear worktable; 4. Cutting opening; 5. Paper pressing mechanism; 6. Cutting mechanism; 7. Paper pushing mechanism; 8. Air pressure mechanism; 81. Fan; 82. Main pipe; 83. Exhaust plate; 84. Steering plate; 85. Telescopic pipe; 86. Connecting plate; 87. Slot; 88. Branch pipe; 89. Fixed column; 9. Control panel. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-4 A high-precision paper cutter that cuts the paper evenly includes a main body 1. The main body 1 includes a front worktable 2 and a rear worktable 3 arranged opposite each other, a cutting opening 4 arranged on the opposite side of the rear worktable 3 and the front worktable 2, a paper pressing mechanism 5 and a cutting mechanism 6 arranged on the cutting opening 4, a paper pushing mechanism 7 arranged on the rear worktable 3, and a wind pressure mechanism 8 arranged on the cutting opening 4 close to the front worktable 2.

[0029] The air pressure mechanism 8 comprises a fan 81, a main pipe 82 and an air exhaust plate 83, the fan 81 is installed on the main body 1, the air exhaust plate 83 is arranged at the upper end of the cutting opening 4, one end of the main pipe 82 is connected to the fan 81, and the other end is connected to the air exhaust plate 83;

[0030] The air outlet of the air exhaust plate 83 faces the front end of the paper stack.

[0031] Specifically, in use, the paper stack is placed on the rear workbench 3, the paper stack is pushed to the below of the paper pressing mechanism 5 and the cutting mechanism 6 through the paper pushing mechanism 7, and the size to be cut is adjusted, then the fan 81 and the cutting mechanism 6 are started while the paper pressing mechanism 5 is started to press the paper stack, the fan 81 sends airflow to the main pipe 82, the airflow is then discharged into the air exhaust plate 83, the air outlet of the air exhaust plate 83 faces the front end of the paper stack, air pressure is formed on the surface paper, under the downward pressure of the airflow, the surface paper can always adhere to the paper stack, and the airflow can blow the surface paper flat, in this state, the cutting mechanism 6 cuts the paper stack, which can ensure that the paper with thin thickness on the surface of the paper stack will not be warped or rolled, so as to ensure that the size of the cut paper is uniform and the edge is neat, and the high-precision cutting requirement is met.

[0032] Preferably, the fan 81 is provided with two fans, which are distributed on both sides of the outer end of the cutting opening 4, and the two fans 81 are connected with the main pipe 82, so that the airflow entering the air exhaust plate 83 is evenly distributed.

[0033] In this embodiment, further, the air pressure mechanism 8 further comprises a deflection air plate 84 and a telescopic pipe 85.

[0034] The deflection air plate 84 is arranged at the lower end of the air exhaust plate 83, and the upper and lower ends of the deflection air plate 84 are both provided with openings, and the telescopic pipe 85 is connected between the deflection air plate 84 and the air exhaust plate 83; the telescopic pipe 85 is a telescopic and bendable pipe formed by multiple folds, and has a certain fixing effect after stretching or bending, which is a mature technology and will not be described in detail here.

[0035] Specifically, when different lengths of paper need to be cut, the distance between the front end of the paper stack and the air exhaust plate 83 will also change accordingly, so that the airflow cannot accurately act on the front end of the paper stack.

[0036] At this time, by adding the deflection air plate 84 and the telescopic pipe 85, when cutting different lengths of paper, the deflection air plate 84 is rotated to align the air outlet thereof with the front end of the paper stack, and the deflection air plate 84 is connected with the air exhaust plate 83 through the telescopic pipe 85, and the telescopic property of the telescopic pipe 85 is used to fix the deflection air plate 84 after being rotated to face the front end, so as to realize air pressure on the surface paper of the paper stack of different lengths, improve the adaptability of the air pressure function, and perfect the effect of air pressure on the surface paper.

[0037] In the embodiment, the telescopic pipe 85 can be a plurality of individual uniform distribution between the exhaust plate 83 and the deflection plate 84, or a larger individual is arranged between the exhaust plate 83 and the deflection plate 84, and the opening design of the upper and lower ends of the deflection plate 84 is used to transition the airflow discharged from the exhaust plate 83 to ensure that the airflow can be blown from the deflection plate 84 to the surface of the paper stack.

[0038] In the embodiment, further, the lower end of the exhaust plate 83 is provided with a connecting plate 86 on both sides, and the lower end of the connecting plate 86 is provided with a semicircular structure;

[0039] The upper end of the deflection plate 84 is provided with a slot 87 corresponding to the position of the connecting plate 86 on both sides, and a rotating shaft is arranged in the slot 87, and the lower end of the connecting plate 86 is rotatably connected to the inside of the slot 87.

[0040] Specifically, when adjusting the orientation of the deflection plate 84, the connecting plate 86 provided on both sides of the lower end of the exhaust plate 83 is rotatably connected in the slot 87 opened on both sides of the upper end of the deflection plate 84, so that the height of the deflection plate 84 after rotation is still limited by the connecting plate 86, thereby providing support for the deflection plate 84, and to some extent, the weight borne by the telescopic pipe 85, that is, to avoid the telescopic pipe 85 unable to bear the weight of the deflection plate 84 and the impact force caused by the airflow blowing, causing the angle of the deflection plate 84 to be unable to be fixed;

[0041] More preferably, when making the deflection plate 84, materials with lighter weight and at the same time meeting the strength requirements can be selected, such as hard rubber, ABS, etc., to further ensure that the deflection plate 84 can be fixed after deflection.

[0042] In the embodiment, further, a plurality of branch pipes 88 are arranged on the exhaust plate 83, and the plurality of branch pipes 88 are connected with the main pipe 82; the plurality of branch pipes 88 respectively introduce the airflow inside the main pipe 82 into the exhaust plate 83, which can make the airflow distribution more uniform, thereby making the air pressure effect on the paper better.

[0043] In the embodiment, further, a fixed column 89 is arranged between the upper end of the exhaust plate 83 and the upper wall of the cutting opening 4, which is used to fix the exhaust plate 83 in the cutting opening 4 to avoid the exhaust plate 83 from falling off.

[0044] In the embodiment, further, the fan 81 is an ionic fan, which generates airflow with positive and negative ions, which can neutralize the static electricity of the paper, avoid the generation of static electricity due to blowing, and affect the flatness and cutting effect of the paper.

[0045] Preferably, the main body 1 is further provided with a control panel 9, and the control panel 9 is electrically connected with the paper pressing mechanism 5, the cutting mechanism 6, the paper pushing mechanism 7 and the air pressure mechanism 8.

[0046] Specifically, the control panel 9 is electrically connected, so that the operator can control the paper pressing mechanism 5, the cutting mechanism 6, the paper pushing mechanism 7 and the air pressure mechanism 8 through the control panel 9, such as controlling the distance pushed by the paper pushing mechanism 7, so as to cooperate with the cutting mechanism 6 to achieve the effect of adjusting the cutting size, and such as controlling the air pressure of the air pressure mechanism 8, so as to adjust the appropriate air volume according to the paper thickness and the paper stack height in real time, and ensure that the air pressure effect reaches the expectation.

[0047] Preferably, the paper pressing mechanism 5 is driven by two driving sources, and then the driving force is transmitted to the pressing plate through the connecting rod to drive the pressing plate to move up and down.

[0048] The paper pressing mechanism 5 includes a cutting knife and a driving roller set, and the driving force is transmitted to the cutting knife through the driving roller set composed of multiple rollers and synchronous belts to drive the cutting knife to move up and down.

[0049] The paper pushing mechanism 6 is composed of a linear module and a pushing plate, and the pushing plate is arranged on the rear workbench 3, the linear module drives the pushing plate to translate to push the paper stack, and the pushing plate also has the effect of helping the operator to flatten the paper stack, and the linear module is usually composed of a motor, a screw transmission part and a slide rail.

[0050] The paper pressing mechanism 5, the cutting mechanism 6 and the paper pushing mechanism 7 are all mature technologies, and will not be described in detail here.

[0051] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A high-precision cutting and finishing paper cutter characterized by, The application relates to a cutting device for paper, which comprises a main body (1), wherein the main body (1) comprises a front workbench (2) and a rear workbench (3) which are oppositely arranged, a cutting opening (4) arranged on the rear workbench (3) opposite to the front workbench (2), a paper pressing mechanism (5) and a cutting mechanism (6) arranged on the cutting opening (4), a paper pushing mechanism (7) arranged on the rear workbench (3), and a wind pressure mechanism (8) arranged on the cutting opening (4) close to the direction of the front workbench (2). The wind pressure mechanism (8) comprises a fan (81), a main pipeline (82) and an exhaust plate (83), the fan (81) is installed on the main body (1), the exhaust plate (83) is arranged on the upper end of the cutting opening (4), and the main pipeline (82) is connected to the fan (81) at one end and is connected to the exhaust plate (83) at the other end. The air outlet of the exhaust plate (83) faces the front end of the paper stack.

2. The high-precision cut-to-size flat cutter according to claim 1, characterized in that, The wind pressure mechanism (8) further comprises a deflection plate (84) and an extension pipe (85). The deflection plate (84) is arranged at the lower end of the exhaust plate (83), and the upper and lower ends of the deflection plate (84) are both provided with openings, and the extension pipe (85) is connected between the deflection plate (84) and the exhaust plate (83).

3. The high-precision cut-to-size flat cutter according to claim 2, characterized in that, The lower end of the exhaust plate (83) is provided with a connecting plate (86) on both sides, and the lower end of the connecting plate (86) is provided in a semicircular structure. The upper end of the deflection plate (84) is provided with a slot (87) corresponding to the position of the connecting plate (86) on both sides, and a rotating shaft is arranged in the slot (87), and the lower end of the connecting plate (86) is rotatably connected to the inside of the slot (87) through the rotating shaft.

4. The high-precision cut-to-size flat cutter according to claim 1, characterized in that, A plurality of branch pipes (88) are arranged on the exhaust plate (83), and the plurality of branch pipes (88) are connected to the main pipeline (82).

5. The high-precision cut-to-size flat cutter according to claim 1, characterized in that, A fixing column (89) is arranged between the upper end of the exhaust plate (83) and the upper wall of the cutting opening (4).

6. The high-precision cut-to-size flat cutter according to claim 1, characterized in that, The fan (81) is an ion fan.

7. The high-precision cut-to-size flat cutter according to any one of claims 1-6, characterized in that, A control panel (9) is further arranged on the main body (1), and the control panel (9) is electrically connected with the paper pressing mechanism (5), the cutting mechanism (6), the paper pushing mechanism (7) and the wind pressure mechanism (8).

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