Novel cutting tool

Abstract

A novel cutting tool comprises a frame and a tool set, the tool set comprises an upper tool disc and a lower tool disc, the upper tool disc and the lower tool disc are installed on the frame, a cutting edge of the upper tool disc and a cutting edge of the lower tool disc are attached together to form a paper cutting area, the lower tool disc is composed of two circular tool discs, and the two circular tool discs are concentric and attached together. The upper cutter head comprises two circular cutter head blades, the two circular cutter head blades are both located on the outer side, the upper cutter head comprises two movable circular cutter heads, the two movable circular cutter heads are arranged on the two sides of the lower cutter head respectively, and the two movable circular cutter head blades are both located on the inner side and matched with the two circular cutter head blades of the lower cutter head. Through the design of inclined contact of the double blades and the upper and lower blades, the problem of wavy lines of paper during paper cutting is solved, and the spring adjusting mechanism controls tension by adjusting the length of a spring so that the attaching force can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper cutting tool technical field, concretely relates to a novel cutting tool. BACKGROUND

[0002] Paper cutting tool is used to handle the paper cutting demand of the late printing. From the mechanical paper cutter to the magnetic tape control type paper cutter, to the microcomputer program control, color display, full image operation guide visual processing and computer aided cutting external programming and editing production data cutting system, all cannot do without paper cutting tool. The traditional paper cutting tool will produce wavy line problem when cutting very long roll paper, so the paper cannot be directly used, and secondary cutting is needed in subsequent processing, so a new type of tool needs to be developed to solve this technical problem. SUMMARY

[0003] The utility model discloses a novel cutting tool, overcome the insufficient of prior art, through the design of double cutting edges and upper and lower cutting edges inclined contact, solve the paper wavy line problem when cutting paper, and the spring adjusting mechanism can adjust the adhesion by controlling the tension of the condition spring length.

[0004] To solve the above problems, the technical scheme adopted by the utility model is as follows:

[0005] A novel cutting tool, including frame and knife group, the knife group includes upper cutter and lower cutter, the upper cutter and the lower cutter are installed on the frame, the upper cutter blade and the lower cutter blade are pasted together to form a paper cutting area, the lower cutter has two circular cutter plates, the two circular cutter plates are concentric and pasted together, and the two circular cutter plate blades are located on the outer side, the upper cutter includes two movable circular cutter plates, the two movable circular cutter plates are arranged on the two sides of the lower cutter respectively, and the two movable circular cutter plate blades are located on the inner side and matched with the two circular cutter plate blades of the lower cutter, the movable circular cutter plate includes a movable cutter, a movable support, a fixed support, a spring adjusting mechanism and a spring, the movable cutter is fixed at the lower end of the movable support through a bearing and a rotating shaft, the movable support is fixed on the fixed support through a bearing and a rotating shaft in the middle to form a lever structure, the top of the movable support is matched with the spring and the spring adjusting mechanism, and the movable cutter lower end blade position is inclined and pasted on the corresponding blade of the lower cutter by pulling the top of the movable support through the spring adjusting mechanism.

[0006] Further, the frame is provided with a paper feeding wheel set on the two sides of the upper cutter and the lower cutter, and the paper feeding wheel set includes an upper wheel and a lower wheel.

[0007] Further, the upper wheel and the lower wheel are both provided with rubber coating.

[0008] Further, the frame comprises the upper blade plate, the lower blade plate and the connecting plate, the upper blade plate and the lower blade plate are connected through the connecting plate, the upper blade plate and the lower blade plate are directly arranged with the paper passing gap, and the connecting plate is arranged in the inclined structure at the position of the paper passing gap, so that the upper and lower separation purposes after the paper cutting are achieved.

[0009] Further, the frame further comprises the upper blade frame and the lower blade frame, the upper blade frame wraps the upper blade disc and the upper blade plate, and the lower blade frame wraps the lower blade disc and the lower blade plate.

[0010] Further, the upper blade plate is provided with the upper blade bottom plate below, and the lower blade plate is provided with the lower blade bottom plate above.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model discloses a novel cutting tool, through the design of the double blade edge and the upper and lower blade edge inclined contact, solve the paper wave line problem when paper cutting, and the spring adjusting mechanism can adjust the adhesion degree through the length of conditional spring, and the inclined structure in the connecting plate can achieve the upper and lower separation purposes after the paper cutting. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a novel cutting tool.

[0014] Figure 2 It is an internal structure schematic diagram of a novel cutting tool.

[0015] Figure 3 It is a front structure schematic diagram of a novel cutting tool.

[0016] Figure 4 It is a back structure schematic diagram of a novel cutting tool.

[0017] Figure 5 It is a sectional structure schematic diagram of a novel cutting tool. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] As shown in the figure, the utility model discloses a novel cutting tool, including frame 1 and knife group 2, and the knife group includes upper cutter head 21 and lower cutter head 22, and the upper cutter head 21 and lower cutter head 22 are installed on the frame 1, and the upper cutter head blade and lower cutter head blade are pasted together to form a paper cutting area, and the lower cutter head 22 is formed by two circular cutter heads, and the two circular cutter heads are concentric and pasted together, and the two circular cutter head blades are all located on the outside, and the upper cutter head includes two movable circular cutter heads, and the two movable circular cutter heads are arranged on the two sides of the lower cutter head respectively, and the two movable circular cutter head blades are all located on the inside and cooperate with the two circular cutter head blades of the lower cutter head, and the movable circular cutter head includes movable cutter head 211, movable support 3, fixed support 4, spring adjusting mechanism 5 and spring 31, the movable cutter head 211 is fixed at the lower end of the movable support 3 through bearings and rotating shafts, the movable support 3 is fixed on the fixed support 4 through bearings and rotating shafts in the middle to form a lever type structure, the movable support 3 top is matched through the spring 31 and spring adjusting mechanism 5, and the movable cutter head lower end blade position is inclined and pasted on the corresponding blade of the lower cutter head by pulling the movable support top through the spring adjusting mechanism, and the double-blade and upper and lower blade inclined contact design can solve the paper wave line problem when cutting paper, and the spring adjusting mechanism can adjust the adhesion degree by controlling the pulling force through the length of the condition spring.

[0020] Further, the frame is provided with a paper feeding wheel set 6 on both sides of the upper cutter head and lower cutter head, and the paper feeding wheel set includes upper wheels and lower wheels.

[0021] Further, the frame includes an upper cutter plate 11, a lower cutter plate 12 and a connecting plate 13, the upper cutter plate and the lower cutter plate are connected through the connecting plate, and the upper cutter plate and the lower cutter plate are directly provided with a paper passing gap, the connecting plate is in an inclined structure at the position of the paper passing gap, and the inclined structure in the middle of the connecting plate can achieve the purpose of separating the upper and lower cutter plates after cutting paper, wherein the fixed support 4 is installed on the upper cutter plate, the frame further includes an upper cutter frame 7 and a lower cutter frame 8, the upper cutter frame wraps the upper cutter plate and the upper cutter plate, and the lower cutter frame wraps the lower cutter plate and the lower cutter plate, wherein the spring adjusting mechanism is fixed in the upper cutter frame, the spring adjusting mechanism includes a 7-shaped plate and a movable bolt, the length of the actual tensioned spring is controlled to adjust the force by cooperating with the outer side of the spring through the movable bolt, and the upper cutter plate is provided with an upper cutter bottom plate 210 below, and the lower cutter plate is provided with a lower cutter bottom plate 220 above.

[0022] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A novel cutting tool, comprising a frame and a blade assembly, the blade assembly comprising an upper blade disc and a lower blade disc, the upper blade disc and the lower blade disc being mounted on the frame, the blade edges of the upper blade disc and the lower blade disc being fitted together to form a paper cutting area, characterized in that: The lower cutter disc consists of two concentric circular cutter discs that fit together, with the cutting edges of both discs located on the outer side. The upper cutter disc consists of two movable circular cutter discs, each positioned on either side of the lower cutter disc, with their cutting edges located on the inner side and engaging with the cutting edges of the lower cutter discs. Each movable circular cutter disc includes a movable cutter disc, a movable support, a fixed support, a spring adjustment mechanism, and a spring. The movable cutter disc is fixed to the lower end of the movable support via bearings and a rotating shaft. The movable support is fixed to the fixed support via bearings and a rotating shaft in the middle, forming a lever structure. The top of the movable support is engaged with a spring and a spring adjustment mechanism. By pulling the top of the movable support through the spring adjustment mechanism, the lower cutting edge of the movable cutter disc is tilted and fits against the corresponding cutting edge of the lower cutter disc.

2. The novel cutting tool according to claim 1, characterized in that: The frame is provided with paper feeding roller sets on both sides of the upper and lower cutter discs, and the paper feeding roller sets include upper rollers and lower rollers.

3. A novel cutting tool according to claim 2, characterized in that: Both the upper and lower wheels are coated with rubber.

4. A novel cutting tool according to claim 1, characterized in that: The frame includes an upper blade plate, a lower blade plate, and a connecting plate. The upper blade plate and the lower blade plate are connected by the connecting plate, and the upper blade plate and the lower blade plate are directly provided with a paper passage gap. The connecting plate is located at the paper passage gap and has an inclined structure.

5. A novel cutting tool according to claim 4, characterized in that: The frame also includes an upper blade frame and a lower blade frame. The upper blade frame encloses the upper blade disc and the upper blade plate, and the lower blade frame encloses the lower blade disc and the lower blade plate.

6. A novel cutting tool according to claim 4, characterized in that: An upper blade base plate is provided below the upper blade plate, and a lower blade base plate is provided above the lower blade plate.

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