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Labor-saving perforating machine

A punching machine and punching technology, applied in metal processing and other directions, can solve the problems of difficult handle pressing, low production efficiency and high production cost, and achieve the effects of easy assembly, high production efficiency and low cost

Active Publication Date: 2014-06-11
NINGBO DELI BINGING EQIPMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the labor-saving punching machines of the prior art are designed to reduce the torque of the cutter head and increase the distance of the handle torque to save labor. This labor-saving structure has the following problems: There are many parts, the structure is more complicated, the cost is higher, and the assembly is more complicated, resulting in lower production efficiency and higher production cost; 2. Due to the small torque between the fulcrum and the cutter head, the height of the handle upturned High, the angle between the handle and the base is close to 90°, which makes it difficult for the user to press down the handle when using

Method used

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] like figure 1 , figure 2 and image 3 A labor-saving punching machine is shown, which includes a base 1, a handle 2, a cutter 3 and a bracket 4 (of course, it also includes other parts, but since it does not involve the invention of the present invention, it will not be repeated here), The bracket 4 is fixedly connected to the base 1, the handle 2 is hinged to the bracket 4, the cutter 3 is slidably connected to the bracket 4, and the base 1 is provided with punching holes 11 corresponding to the cutter 3 one by one. , the base 1 directly below the cutter 3 is provided with a bevel 12, and the angle a between the axis of the cutter 3 and the bevel 12 is less than 90° (83° in this example, it can also be 80°, 81°, 85° or 86°, etc., that is, the angle between the slope and the horizontal plane is 7°, 10°, 9°, 5° or 4°), the punching ho...

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Abstract

The invention discloses a labor-saving perforating machine, which comprises a base (1), a handle (2), tools (3) and a support (4), wherein the support (4) is fixedly connected with the base (4); the handle (2) is hinged to the support (4); the tools (3) are connected to the support (4) in a sliding way; the base (1) is provided with punched holes (11) which correspond to the tools (3) one by one; a bevel (12) is arranged on the base (1) right below the tools (3); the included angle a between the axes of the tools (3) and the bevel (12) is smaller than 90 degrees; the punched holes (11) are formed in the bevel (12). Compared with the prior art, the force used when the labor-saving perforating machine is used for perforating is at least 10 % smaller than the force used when a labor-saving perforating machine in the market is used for perforating, so that the labor-saving perforating machine has the characteristics of fewer parts, simple structure, lower cost, easiness in assembly and convenience in use.

Description

technical field [0001] The invention belongs to the technical field of office stationery, in particular to a labor-saving punching machine for punching paper. Background technique [0002] At present, the punching machine is widely used in daily office because of its advantages such as simple and convenient use, low price, and small and exquisite appearance. The labor-saving punching machine is to make the user save more effort and have higher punching efficiency when using it. However, the labor-saving punching machines of the prior art are designed to reduce the torque of the cutter head and increase the distance of the handle torque to save labor. This labor-saving structure has the following problems: There are many parts, the structure is more complicated, the cost is higher, and the assembly is more complicated, resulting in lower production efficiency and higher production cost; 2. Due to the small torque between the fulcrum and the cutter head, the height of the han...

Claims

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Application Information

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IPC IPC(8): B26F1/36
Inventor 俞杰辉
Owner NINGBO DELI BINGING EQIPMENT CO LTD
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