Cutter with chip-free cutting effect for plastic pipe
A technology of plastic pipes and knives, applied in metal processing and other directions, can solve problems such as saw blade breakage, end face flanging, production accidents, etc., and achieve the effect of not being easily damaged
Pending Publication Date: 2019-07-12
张家港市文锋机械有限公司
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
When cutting, not only will there be sawdust, but also there will be flanging on the cut end face, and with the prolongation of use time, the saw blade will suddenly break due to wear and tear, which will seriously cause production accidents
Method used
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Embodiment Construction
[0020] The tool for chipless cutting of plastic pipes according to the present invention will be further described in detail through specific examples below.
[0021] like figure 1 As shown, a cutter for chipless cutting of plastic pipes includes a long cutter body 1, the thickness a of the cutter body is 4.5-5.5 mm. The front end of the cutter body 1 is provided with a sharpened top cutter portion 2 and a side cutter portion 3, as figure 2 As shown, the cutting edge of the top knife part 2 includes a top knife cut-in part 4 and a top knife expansion part 5, the depth b of the top knife cut-in part is 2.3-2.7 mm, and the width c of the top knife cut-in part It is 2-2.3mm. The length d of the cut-in portion of the top knife is 12-18 mm. The depth e of the expansion part of the top knife is 9 to 10mm, and the angle between the side knife part 3 and the top knife part 2 is 45°, such as image 3 As shown, the edge of the side knife part 3 includes a side knife cut-in part 6 a...
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Abstract
The invention relates to a cutter with a chip-free cutting effect for a plastic pipe. The cutter comprises a long-strip-shaped cutter body, the front end of the cutter body is provided with an edged top cutter portion and an edged side cutter portion, the cutting edge of the top cutter portion comprises a top cutter cutting-in portion and a top cutter expanding portion, wherein the depth of the top cutter cutting-in portion is 2.3-2.7 mm, the depth of the top cutter expanding portion is 9-10 mm, a 45-degree included angle is formed between the side cutter portion and the top cutter portion, the cutting edge of the side cutter portion comprises a side cutter cutting-in portion and a side cutter expanding portion, the depth of the side cutter cutting-in portion is 1.8-2.2 mm, and the depth of the side cutter expanding portion is 9.5-10.5 mm. According to the cutter with the chip-free cutting effect for the plastic pipe, accurate parameter control is adopted, so that the whole pipe cutting process is progressive, chips do not exist, due to the fact that the angles of the two side surfaces of the expanding portions are smaller than the angles of the two side surfaces of the cutting-inportions, the cutting surface of a pipe cannot be turned up; and due to the facts that the cutter does not have saw teeth, and point contact exists only at the moment of just started contact and thenchanges to be surface contact when the cutter is in contact with the pipe, the cutter is not prone to damage.
Description
[0001] 【Technical field】 [0002] The invention relates to the technical field of pipe cutting machines, in particular to a cutting tool for chipless cutting of plastic pipes. [0003] 【Background technique】 [0004] In the pipe cutting machine for plastic pipes, the saw blade is mainly used to cut the plastic pipes. When cutting, not only will there be sawdust, but also there will be flanging on the cut end face, and with the prolongation of the use time, the saw blade will suddenly break due to wear and tear, which will seriously cause production accidents. [0005] 【Content of invention】 [0006] In order to solve the above problems, the object of the present invention is to provide a chipless cutting tool for plastic pipes that does not produce sawdust, has no flanging on the end face after cutting, and is not easy to wear and tear. [0007] In order to achieve the above object, the technical solution adopted by the present invention is: a cutting tool for chipless cuttin...
Claims
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Login to View More IPC IPC(8): B26D1/00
CPCB26D1/0006
Inventor 顾苏平
Owner 张家港市文锋机械有限公司