CN2880843Y - Sprial blade with top rake for uniform cutting leather - Google Patents
Sprial blade with top rake for uniform cutting leather Download PDFInfo
- Publication number
- CN2880843Y CN2880843Y CN 200520134532 CN200520134532U CN2880843Y CN 2880843 Y CN2880843 Y CN 2880843Y CN 200520134532 CN200520134532 CN 200520134532 CN 200520134532 U CN200520134532 U CN 200520134532U CN 2880843 Y CN2880843 Y CN 2880843Y
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- CN
- China
- Prior art keywords
- blade
- cutting
- degrees
- leather
- top rake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A spiral blade with top rake for leather uniform cutting which contains a root portion inserted vertically into the knife roll mounting groove and a cutting portion protruding above the knife roll surface. The root portion and the cutting portion form a break corner with an interior angle Alpha of 145 degree to 170 degree, i.e. after the blade is installed on the knife roll, the top rake of the cutting portion from the horizontal cutting direction is (145 degrees - 90 degrees) to (170 degrees - 90 degrees) = 55 degrees to 80 degrees. The beneficial effect of the present utility model is that the top rake of the blade enables an acute angle cutting between the blade and the leather processing surface which reduces the cutting resistance, increases the cutting speed greatly and delivers a good finish of the leather cutting surface, decreases the working temperature rise of the blade to prevent leather from charring during cutting and lengthen the service life of the blade.
Description
Technical field
The utility model relates to a kind of leather shaving cutter.
Background technology
Wherein one important procedure of leather processing is with shaving machine that the uneven cutting of raw hide inner face is smooth and make the hide thickness even.Existing advanced shaving machine cutter is to be inlaid on the rotor by the helical blade that steel band is processed into to make, its blade cross section is a rectangle, the rectangular feed cutting of the blade of screw blade and leather processing face, cutting resistance is bigger, stock-removing efficiency is lower, and blade working temperature height, leather processing face processing smooth finish is relatively poor, phenomenon that also easy generation leather " is cut Jiao ".
Summary of the invention
The technical problem that the utility model quasi-solution is determined be that above-mentioned leather shaving circular knife is carried out technological improvement, thereby it is little to reach cutting resistance, the high and good effect of leather processing face smooth finish of stock-removing efficiency.
Technical solution of the present utility model is: design a kind of leather shaving screw blade that is front rake, it has the root in the vertical insertion rotor mounting groove and stretches the cutting portion on rotor surface, be knuckle between root and the cutting portion, this knuckle interior angle is 145 °-170 °, also be after blade is installed on the rotor, its cutting portion is (145 °-90 °)-(170 °-90 °)=55 °-80 ° to the front rake of horizontal cutting direction.
The beneficial effects of the utility model are: because blade has a front rake, make blade and leather processing face acutangulate cutting, cutting resistance has reduced, cutting speed improves greatly, and leather face of tool smooth finish is good, blade work heats up little, can not make leather " cut Jiao ", and prolong the work-ing life of blade.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is installed on overall structure synoptic diagram on the rotor for the utility model.
Fig. 3 is the utility model user mode broken section structural representation.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with accompanying drawing.
The utility model adopts the flat steel band of high-strength abrasion-proof high-quality to process, integral body twist, the blade cross section is the knuckle rectangle, i.e. 1 one-tenth one knuckle of its cutter root 3 and cutting portion, the interior angle of this knuckle is 145 °-170 °.This blade root 3 vertically is installed in the cutter groove of rotor 5, and fixing with red copper dummy slider 4.Back blade cut portion 1 is installed becomes 55 °-80 ° angle with the central axis of rotor 5, thereby make edge 2 acutangulate feed cutting leather 6.It has reduced cutting resistance effectively, has improved stock-removing efficiency and processing quality greatly.
Claims (2)
1, a kind of leather shaving screw blade that is front rake, have the root (3) in vertical insertion rotor (5) mounting groove and stretch the surperficial cutting portion (1) of rotor (5), it is characterized in that being knuckle between root (3) and the cutting portion (1), this knuckle interior angle is 145 °-170 °, also be after blade is installed on the rotor, its cutting portion (1) is (145 °-90 °)-(170 °-90 °)=55 °-80 ° to the front rake of horizontal cutting direction.
2, by the described leather shaving screw blade that is front rake of claim 1, it is characterized in that blade root (3) vertically is installed in the cutter groove of rotor (5) after, fixing with red copper dummy slider (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520134532 CN2880843Y (en) | 2005-12-31 | 2005-12-31 | Sprial blade with top rake for uniform cutting leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520134532 CN2880843Y (en) | 2005-12-31 | 2005-12-31 | Sprial blade with top rake for uniform cutting leather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2880843Y true CN2880843Y (en) | 2007-03-21 |
Family
ID=37880685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520134532 Expired - Fee Related CN2880843Y (en) | 2005-12-31 | 2005-12-31 | Sprial blade with top rake for uniform cutting leather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2880843Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3354754A3 (en) * | 2017-01-31 | 2018-08-15 | Heusch GmbH & Co. KG | Knife and method for the production of same |
| CN113633468A (en) * | 2021-08-11 | 2021-11-12 | 中山佳健生活用品有限公司 | Process method for processing permeation gaps of sanitary towel core body on line |
-
2005
- 2005-12-31 CN CN 200520134532 patent/CN2880843Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3354754A3 (en) * | 2017-01-31 | 2018-08-15 | Heusch GmbH & Co. KG | Knife and method for the production of same |
| CN113633468A (en) * | 2021-08-11 | 2021-11-12 | 中山佳健生活用品有限公司 | Process method for processing permeation gaps of sanitary towel core body on line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |