Multifunctional Safety Saw
A saw cutter and multi-functional technology, which is applied in the direction of metal sawing equipment, sawing machine devices, sawing machine attachments, etc., can solve the problems of inconvenient carrying, large movement speed and range, single function, etc., and achieve convenient portability and small size , a wide range of effects
Inactive Publication Date: 2019-07-09
PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE
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Problems solved by technology
[0002] At present, there are various disc cutters commonly used for cutting plates, and various CNC cutting machines with high precision. Among them, CNC high-pressure water jet cutting machine is suitable for cutting any material (metal, non-metal, composite material), and the cutting accuracy is high. No thermal deformation, more environmentally friendly, but the cost is extremely high
As far as personal use is concerned, these devices have disadvantages such as heavy weight, single function, and inconvenient portability.
[0003] In addition, in accidents such as machine operation errors and car accidents in daily life, the human body is often caught. The rescue method is mostly to use cutting tools to cut. After entering the human body, it will cause harm to the human body
Method used
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0032] The invention is a multi-functional safety sawing device, which mainly consists of six parts: a housing, a double eccentric shaft, a common saw, a thin plate cutter, a safety saw and a handle.
[0033] See figure 1 , figure 2 , Figure 5 and Figure 7 , the housing includes a main housing 101 , a needle bearing 102 , a cover 103 , a cover spring 104 , and a set screw 105 at the top. The needle roller bearing 102 is connected to the top of the main housing 101 through interference fit to support the rotation of the double eccentric shaft 201 . The cover 103 is directly pressed against the bottom of the main housing 101 and positioned by the cover spring 104 .
[0034] See figure 2 , image 3 , Figure 4 , Figure 6 and Figure 7 , the double eccentric shaft 201 is installed in the main housing 101, the inner hexagon end and the needle bearing...
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The invention discloses a multifunctional safe sawing device which is mainly composed of a shell, a double-eccentric shaft, a common saw, a sheet cutting device, a safe saw and a handle. According to the multifunctional safe sawing device, the double-eccentric shaft is connected with a safe-amplitude reciprocating lever and a large-amplitude reciprocating lever at the same time, each reciprocating lever is positioned through a reciprocating lever guiding block and a tool apron support, and a saw blade is fixed to the tail end of the safe-amplitude reciprocating lever through a saw blade pressing block; and a saw blade is fixed to one end of the large-amplitude reciprocating lever through a saw blade pressing block, and the other end of the large-amplitude reciprocating lever is connected with a cutter bar. According to the sawing device, a common electric drill is adopted for providing power, during work, a rotating head of the electric drill drives the double-eccentric shaft to rotate, the safe-amplitude reciprocating lever and the large-amplitude reciprocating lever linearly move along with the double-eccentric shaft, and thus the functions of the common saw, the safe saw and the sheet cutting device are achieved at the same time; and the multifunctional safe sawing device is suitable for cutting metal materials and nonmetal materials such as plastic and wood, and can achieve safe cutting under the special conditions such as emergency rescue.
Description
technical field [0001] The invention relates to a multi-functional safety saw cutter, which is driven by an ordinary electric drill and has the functions of an ordinary saw, a safety saw, and a thin plate cutter. Materials; in special cases such as emergency rescue, the human body will not be harmed when the safety saw cuts metal and non-metallic materials that are close to the human body. Background technique [0002] At present, there are various disc cutters commonly used for cutting plates, and various CNC cutting machines with high precision. Among them, CNC high-pressure water jet cutting machine is suitable for cutting any material (metal, non-metal, composite material), and the cutting accuracy is high. It does not produce thermal deformation and is more environmentally friendly, but the cost is extremely high. As far as personal use is concerned, these devices have disadvantages such as heavy weight, single function, and inconvenient portability. [0003] In addit...
Claims
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IPC IPC(8): B23D49/10B23D51/10B23D51/01B23D59/00B25F3/00
Inventor 王克印黄海英韩凤起韩校粉孙立明李志尊
Owner PEOPLES LIBERATION ARMY ORDNANCE ENG COLLEGE