Paper cutter brake assembly and paper cutter

Abstract

The utility model discloses a brake assembly of a paper cutter, the brake assembly is mounted on a driving mechanism of the paper cutter, and the brake assembly comprises a first brake part, a second brake part and a third brake part; the first brake component is a telescopic rod device arranged below the small transmission wheel, and the telescopic rod device is configured in the mode that when a telescopic rod completely stretches out, the top end of the telescopic rod abuts against a transmission belt on the small transmission wheel. The second brake component is a first clamping device arranged on the lower edge of the driving wheel and used for clamping the edge of the driving wheel to achieve braking. The third brake component is a second clamping device arranged on the upper edge of the large transmission wheel and used for clamping the edge of the large transmission wheel to achieve braking. According to the utility model, the blade can be prevented from continuously rotating after shutdown, and the safety of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cutters, and more particularly to a paper cutter brake assembly and a paper cutter. Background Art

[0002] At present, the paper cutting industry usually uses rotary paper cutters to cut paper. However, during the use of paper cutters, it is inevitable that the machine needs to be stopped to replace the rotary blade or other parts. At this time, the rotary blade is likely to continue to rotate after the machine is stopped, which is very likely to injure the user and the equipment is unsafe. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the utility model provides a paper cutter brake assembly and a paper cutter, which can prevent the blade from continuing to rotate after stopping, thereby improving the safety of the equipment.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A paper cutter brake assembly is installed on the driving mechanism of the paper cutter, and the brake assembly includes a first brake component, a second brake component and a third brake component; the driving mechanism includes a driving motor, a driving wheel connected to the driving motor shaft, a large driving wheel connected to the driving wheel through a transmission belt, and a small driving wheel rotating coaxially with the large driving wheel, the small driving wheel is connected to a blade mounting shaft through a transmission belt, and the blade mounting shaft is used to drive the blade of the paper cutter to rotate; the first brake component is a telescopic rod device arranged below the small driving wheel, and the telescopic rod device is configured so that when the telescopic rod is fully extended, the top end of the telescopic rod abuts against the transmission belt on the small driving wheel; the second brake component is a first clamping device arranged at the lower edge of the driving wheel, which is used to clamp the edge of the driving wheel to achieve braking; the third brake component is a second clamping device arranged at the upper edge of the large driving wheel, which is used to clamp the edge of the large driving wheel to achieve braking.

[0006] In a preferred technical solution, the telescopic rod device is a pneumatic telescopic rod driven by a cylinder.

[0007] In a preferred technical solution, the first clamping device is a pneumatic clamp driven by a cylinder.

[0008] In a preferred technical solution, the second clamping device is a pneumatic clamp connected to an air supply pipe.

[0009] In a preferred technical solution, the first brake component, the second brake component and the third brake component are all connected to the controller of the paper cutter.

[0010] A paper cutter comprises a frame, a blade, a driving motor and a driving mechanism. The driving mechanism is provided with a paper cutter brake assembly as in any of the above technical solutions.

[0011] The above-mentioned paper cutter can prevent the blade from continuing to rotate after stopping by providing a brake assembly, thereby avoiding injury to the user and improving the safety of the equipment.

[0012] It can be seen from the above technical solution that, compared with the prior art, the beneficial effect of the utility model is: the utility model adopts a paper cutter brake assembly and a paper cutter, and by respectively arranging brake components on different components of the paper cutter drive mechanism, it can prevent the blade from rotating after shutdown, thereby effectively avoiding injury to the user and achieving the purpose of improving the safety of the equipment.

[0013] In addition, other advantages of the present invention will be given in the following description, and some will become apparent from the following description or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the back side of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the front side of the utility model;

[0016] Figure 3 for Figure 2 The structural diagram of part A in the figure;

[0017] Figure 4 It is a structural schematic diagram of the side surface of the utility model;

[0018] Figure 5 for Figure 4 Schematic diagram of the structure of part B. DETAILED DESCRIPTION

[0019] 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.

[0020] In the description of the present invention, it should be understood that the terms "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0021] In one embodiment, Figure 1-5 As shown, a brake assembly for a paper cutter is installed on a driving mechanism of the paper cutter.

[0022] See also Figure 1-5 ,in, Figure 3 for Figure 2 The enlarged structural diagram of part A in the figure is as follows: Figure 5 for Figure 4 The enlarged structural diagram of part A in the middle. The driving mechanism includes a driving motor 21, a driving wheel 22 connected to the shaft of the driving motor 21, a large driving wheel 23 connected to the driving wheel 22 through a driving belt, and a small driving wheel 24 coaxially rotating with the large driving wheel 23, the small driving wheel 24 is connected to a blade 26 mounting shaft 25 through a driving belt, and the blade 26 mounting shaft 25 is used to drive the blade 26 of the paper cutter to rotate.

[0023] The brake assembly includes a first brake component 11 , a second brake component 12 and a third brake component 13 .

[0024] The first brake component 11 is a telescopic rod device arranged below the small transmission wheel 24, and the telescopic rod device is configured so that when the telescopic rod is fully extended, the top end of the telescopic rod abuts against the transmission belt on the small transmission wheel 24; the second brake component 12 is a first clamping device arranged at the lower edge of the driving wheel 22, and is used to clamp the edge of the driving wheel 22 to achieve braking; the third brake component 13 is a second clamping device arranged at the upper edge of the large transmission wheel 23, and is used to clamp the edge of the large transmission wheel 23 to achieve braking.

[0025] Among them, the paper cutter includes a mounting frame and a mounting plate arranged in front of the mounting frame, and the blade 26 mounting shaft 25, the small transmission wheel 24, and the first brake component 11 are fixedly installed on the mounting plate from top to bottom; the large transmission wheel 23, the drive motor 21 and the drive wheel 22, and the third brake component 13 are all fixedly installed on the mounting frame, the drive motor 21 is installed on the mounting frame through the base plate, and the second brake component 12 is arranged on a base, which is fixedly installed on the base plate by screws.

[0026] The first clamping device serves as the second brake component 12, and its clamping portion is aligned with the lower edge of the driving wheel 22. When braking is required, the driving wheel 22 is clamped to prevent it from rotating, thereby achieving the braking function; similarly, the second clamping device serves as the third brake component 13, and its clamping portion is aligned with the lower edge of the large transmission wheel 23, and the braking purpose is achieved by clamping the large transmission wheel 23.

[0027] In specific implementation, when the paper cutter stops, the three brake components brake the small transmission wheel 24, the drive wheel 22 and the large transmission wheel 23 respectively, so that the braking function can be realized more quickly, ensuring that the blade 26 stops rotating as soon as possible after stopping, thereby not causing danger to the user and providing equipment safety.

[0028] In this embodiment, the telescopic rod device is a pneumatic telescopic rod driven by a cylinder.

[0029] In this embodiment, the first clamping device is a pneumatic clamp driven by a cylinder.

[0030] In this embodiment, the second clamping device is a pneumatic clamp connected to an air supply pipe. In specific implementation, when the air supply pipe is ventilated, the pneumatic clamp releases the driving wheel 22, and when the air supply pipe is de-energized, the pneumatic clamp clamps the driving wheel 22 to brake.

[0031] In the above embodiment, the three brake components all use pneumatic control devices, the telescopic rod device is a pneumatic telescopic rod, and the first clamping device and the second clamping device are both pneumatic clamps, which can perform clamping operations quickly and accurately, and are easy to adjust and highly safe. In addition, since the pneumatic clamp has a compact structure and small size, it can also save installation space.

[0032] In this embodiment, the first brake component 11, the second brake component 12 and the third brake component 13 are all connected to the controller of the paper cutter to receive the controller instruction and determine when to perform the braking operation.

[0033] In one embodiment, the utility model provides a paper cutter, including a frame, a blade 26, a drive motor 21 and a drive mechanism, and the drive mechanism is provided with a paper cutter brake assembly as in any of the above embodiments.

[0034] The above-mentioned paper cutter adopts the paper cutter brake assembly in the above-mentioned embodiment, which can prevent the blade from rotating after stopping, thereby effectively avoiding injury to the user and achieving the purpose of improving the safety of the equipment.

[0035] The brake assembly of the paper cutter and other structures and operations of the paper cutter according to the embodiment of the utility model are known to ordinary technicians in the field and will not be described in detail here.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the description of this specification, the reference terms "embodiment", "specific embodiment", "example" and the like mean that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present invention.

[0038] In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined with each other in any one or more embodiments or examples in a suitable manner without interference or contradiction.

Claims

1. A paper cutter brake assembly, the brake assembly being mounted on a drive mechanism of the paper cutter, characterized in that: The brake assembly includes a first brake component, a second brake component and a third brake component; The driving mechanism comprises a driving motor, a driving wheel connected to the driving motor shaft, a large driving wheel connected to the driving wheel through a driving belt, and a small driving wheel coaxially rotating with the large driving wheel, wherein the small driving wheel is connected to a blade mounting shaft through a driving belt, and the blade mounting shaft is used to drive the blade of the paper cutter to rotate; The first brake component is a telescopic rod device provided below the small transmission wheel, and the telescopic rod device is configured so that when the telescopic rod is fully extended, the top end of the telescopic rod abuts against the transmission belt on the small transmission wheel; The second brake component is a first clamping device provided at the lower edge of the driving wheel, and is used to clamp the edge of the driving wheel to achieve braking; The third brake component is a second clamping device arranged on the upper edge of the large transmission wheel, which is used to clamp the edge of the large transmission wheel to achieve braking.

2. A paper cutter brake assembly according to claim 1, characterized in that: The telescopic rod device is a pneumatic telescopic rod driven by a cylinder.

3. A paper cutter brake assembly according to claim 2, characterized in that: The first clamping device is a pneumatic clamp driven by a cylinder.

4. A paper cutter brake assembly according to claim 3, characterized in that: The second clamping device is a pneumatic clamp connected to an air supply pipe.

5. A paper cutter brake assembly according to any one of claims 1 to 4, characterized in that: The first brake component, the second brake component and the third brake component are all connected to the controller of the paper cutter.

6. A paper cutter, comprising a frame, a blade, a drive motor and a drive mechanism, characterized in that: The driving mechanism is provided with a paper cutter brake assembly according to any one of claims 1 to 5.

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