CN1160767A - Self-sharpening beet-shredding blade and its manufacture - Google Patents
Self-sharpening beet-shredding blade and its manufacture Download PDFInfo
- Publication number
- CN1160767A CN1160767A CN 96104127 CN96104127A CN1160767A CN 1160767 A CN1160767 A CN 1160767A CN 96104127 CN96104127 CN 96104127 CN 96104127 A CN96104127 A CN 96104127A CN 1160767 A CN1160767 A CN 1160767A
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- blade
- sharpening
- self
- beet
- beet slicing
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Abstract
Of the said blade, the blade body has an extension part, whose outward front side has a hardness greater than that of inward back side, one end with outwards protuberant waved edge extension and the other end with at least two mounting slots. The blade is manufactured through the steps of material selection, forming, hot treatment and machining. Owing to its automatic sharpening during work, the said blade can result in high quality of beet slicing and high production efficiency.
Description
The present invention relates to be used for the shredding knife and the processing technique field thereof of beet slicing, is a kind of self-sharpening beet slicing blade and manufacture method thereof.
The beet slicing blade is the requisite running stores of beet-sugar factory; Beet belongs to piece root fruit, contains a large amount of pectin, and the leaching of its sugar part need be carried out a process with hot-water soak to the dish silk; As fruit and vegetable silk gage distortion, broken silk amount greatly, thick cossettes sugar part does not also thoroughly bubble out, but thin and a large amount of broken cossettes are because oversoaking and soft mashed, pectin also bubbles out with sugar part, the rough crenellated phenomena that is prone to of cossettes the half congealed juice purity of leaching descended, if will fragment into broken silk soon in immersion, therefore, the quality of cossettes quality directly influences the production process of beet sugar manufacture; Causing one of ropy reason of cossettes is owing to the passivation easily in use of beet slicing blade, if the general replacing diffusion knife of frequency will reduce production efficiency; And the reason that makes the easy passivation of diffusion knife is because the hardness of diffusion knife is hanged down and caused, still, if the hardness of diffusion knife one height not only can easily cause the tipping phenomenon because of toughness descends, and sharpening is difficult to also carry out.
One of purpose of the present invention is to overcome the deficiency of prior art and proposes a kind of self-sharpening beet slicing blade.
Two of purpose of the present invention is to overcome the deficiency of prior art and proposes a kind of self-sharpening beet slicing blade manufacturing method.
One of purpose of the present invention realizes by following measure: the outside one side of the edge extendible portion of the cutter hub of this self-sharpening beet slicing blade is promptly positive, and hardness is arranged is the hard formation at the back side greater than inside another side, the thickness of its hard formation is 0.15 to 0.20 millimeter, positive hardness be 55 degree to 59 degree HRC, the hardness at the back side is that 10 degree are to 20 degree HRC; One end of cutter hub has the waveform edge extendible portion of outside protrusion, and the top of edge extendible portion is a cutting edge, and the other end of cutter hub has and is no less than two the pickup groove that is used to install.
Two of purpose of the present invention is undertaken by following steps:
A. selection: select mild steel plate for use, and tailor into required blade sizes;
B. moulding process: be processed into desired shape;
C. thermal treatment process: carry out the low temperature carbonitriding;
D. complete processing: the hard formation at the blade back side is removed.
Wherein, material selection by weight percentage carbon content be 0.1% to 0.3% Carbon Steel Plate or structural steel and iron; The steel plate that to tailor earlier before moulding process is smoothed with friction press, and one side roughly ground, finish the fixed processing groove with milling machine then, strike out the blade of required curved shape again with friction press, mill out integer deburring again with the milling machine waveform blade tooth that floated finish is promptly positive then; Carry out the low temperature carbonitriding in furnace temperature is 560 ° to 580 ° scope, alloying layer thickness is controlled at 0.15 to 0.20 millimeter, and hardened face hardness is that 55 degree are to 59 degree HRC; Blade before complete processing that thermal treatment is good is smoothed, and removes the hard formation at the blade back side then with emery wheel, mills out with the waveform blade tooth of milling machine with the back side again, carries out surface finish at last.
Accompanying drawing 1 is the elevational schematic view of most preferred embodiment of the present invention; Accompanying drawing 2 is looked synoptic diagram for the master of accompanying drawing 1; Accompanying drawing 3 is that the A-A of accompanying drawing 2 is to sectional view; Accompanying drawing 4 is that the B-B of accompanying drawing 2 is to sectional view; Accompanying drawing 5 is the vertical view synoptic diagram of accompanying drawing 2;
Coding in the accompanying drawing is respectively: 1 is cutter hub, and 2 is the edge extendible portion, and 3 is cutting edge, and 4 is the front of edge extendible portion, and 5 is the back side of edge extendible portion, and 6 is hard formation, and 7 is pickup groove.
Below in conjunction with most preferred embodiment and accompanying drawing the present invention is described in further detail:
As accompanying drawing 1,2,3, shown in 4 and 5, one end of the cutter hub 1 of this self-sharpening beet slicing blade has the waveform edge extendible portion 2 of outside protrusion, and the top of edge extendible portion 2 is a cutting edge 3, promptly positive 4 one deck hardness is arranged is the hard formation 6 at the back side 5 greater than outside another side to the outside one side of edge extendible portion 2, thickness the best of its hard formation 6 is 0.15 to 0.20 millimeter, the hardness optimal in its front 4 is that 55 degree are to 59 degree HRC, and the hardness optimal at the back side 5 is that 10 degree are to 20 degree HRC, therefore, the present invention in use, its front 4 is difficult for being worn, and the back side 5 easily is worn, and so just easily keeps the acutance of cutting edge 3, and does not reduce the toughness of this self-sharpening beet slicing blade, thereby be not prone to the tipping phenomenon, thereby prolonged work-ing life; The other end the best of cutter hub 1 has two pickup grooves that are used to install 7, so that self-sharpening beet slicing blade is fixed on the beet slicer.
This self-sharpening beet slicing blade manufacturing method is undertaken by following step:
A. selection: select that thickness is 8 millimeters, carbon content is 0.1% to 0.3% Carbon Steel Plate or structural steel and iron by weight percentage for use, and tailor into the wide 88mm of being, long for 200mm or wide for 88mm, longly be the required blade sizes of 165mm;
B. moulding process: the steel plate that will tailor is smoothed with 50 tons of type friction presses earlier, and will simultaneously roughly grind with surface grinding machine, finish processing with X62W type milling machine then to pickup groove, strike out the blade of required curved shape again with 100 tons of friction presses, mill out integer deburring again with the X62W type milling machine waveform blade tooth that floated finish is promptly positive then;
C. thermal treatment process: carry out the low temperature carbonitriding in furnace temperature is 560 ° to 580 ° scope, alloying layer thickness is controlled at 0.15 to 0.20 millimeter, and hardened face hardness is that 55 degree are to 59 degree HRC.
D. complete processing: the blade that thermal treatment is good is smoothed, and removes the hard formation at the blade back side then with emery wheel, preferably removes the infiltration layer of 0.1 millimeter of backside surface, mills out with the waveform blade tooth of X62W type milling machine with the back side again, carries out surface finish at last.
This self-sharpening beet slicing blade structure is simple, and its manufacture method is simple, makes easily; After the use, just energy self-sharpening at work, thereby within 72 hours, do not need the tool changing sharpening, thus improved the chopping work efficiency, and the blade of changing is because of the lower easily sharpening of back side hardness, thereby can save sharpening greatly and can reduce loss to the sharpening instrument man-hour again; Because this blade easily keeps sharp state work, thereby makes the quality of the cossettes of cutting that significant raising arranged, and the loss in the beet sugar manufacture technology is reduced greatly, and improved production efficiency.
Claims (10)
1. self-sharpening beet slicing blade that is used for beet slicing is characterized in that promptly positive 4 hardness is arranged is the hard formation 6 at the back side 5 greater than inside another side for the outside one side of edge extendible portion 2 of cutter hub 1.
2. self-sharpening beet slicing blade according to claim 1, an end that it is characterized in that cutter hub 1 has the waveform edge extendible portion 2 of outside protrusion, and the top of edge extendible portion 2 is a cutting edge 3, and the other end of cutter hub 1 has and is no less than two the pickup groove that is used to install 7.
3. self-sharpening beet slicing blade according to claim 1 and 2, the thickness that it is characterized in that hard formation 6 are 0.15 to 0.20 millimeter.
4. self-sharpening beet slicing blade according to claim 1 and 2 is characterized in that positive 4 hardness is that 55 degree are to 59 degree HRC.
5. according to claim 1 or 3 described self-sharpening beet slicing blades, the hardness that it is characterized in that the back side 5 is that 10 degree are to 20 degree HRC.
6. self-sharpening beet slicing blade manufacturing method that is used for beet slicing is characterized in that being undertaken by following step:
A. selection: select mild steel plate for use, and tailor into required blade sizes;
B. moulding process: be processed into desired shape;
C. thermal treatment process: carry out the low temperature carbonitriding;
D. complete processing: the hard formation at the blade back side is removed.
7. self-sharpening beet slicing blade manufacturing method according to claim 6, it is characterized in that selecting for use carbon content by weight percentage is 0.1% to 0.3% Carbon Steel Plate or structural steel and iron.
8. self-sharpening beet slicing blade manufacturing method according to claim 6, it is characterized in that the steel plate that will tailor earlier smooths with friction press, and one side roughly ground, finish with milling machine then pickup groove is processed, strike out the blade of required curved shape again with friction press, mill out integer deburring again with the milling machine waveform blade tooth that floated finish is promptly positive then.
9. self-sharpening beet slicing blade manufacturing method according to claim 6 is characterized in that furnace temperature is to carry out the low temperature carbonitriding in 560 ° to 580 ° the scope, and alloying layer thickness is controlled at 0.15 to 0.20 millimeter, and hardened face hardness is that 55 degree are to 59 degree HRC.
10. self-sharpening beet slicing blade manufacturing method according to claim 6, it is characterized in that the blade that thermal treatment is good smooths, remove the hard formation at the blade back side then with emery wheel, mill out with the waveform blade tooth of milling machine again, carry out surface finish at last the back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96104127 CN1043243C (en) | 1996-03-26 | 1996-03-26 | Self-sharpening beet-shredding blade and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96104127 CN1043243C (en) | 1996-03-26 | 1996-03-26 | Self-sharpening beet-shredding blade and its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1160767A true CN1160767A (en) | 1997-10-01 |
| CN1043243C CN1043243C (en) | 1999-05-05 |
Family
ID=5118279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96104127 Expired - Fee Related CN1043243C (en) | 1996-03-26 | 1996-03-26 | Self-sharpening beet-shredding blade and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1043243C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580831A (en) * | 2012-03-13 | 2012-07-18 | 云南瑞升烟草技术（集团）有限公司 | Hammer type shearing granulator |
| CN110158023A (en) * | 2019-06-24 | 2019-08-23 | 山东农业大学 | A kind of method of surface solid permeation at cutter blade |
-
1996
- 1996-03-26 CN CN 96104127 patent/CN1043243C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580831A (en) * | 2012-03-13 | 2012-07-18 | 云南瑞升烟草技术（集团）有限公司 | Hammer type shearing granulator |
| CN110158023A (en) * | 2019-06-24 | 2019-08-23 | 山东农业大学 | A kind of method of surface solid permeation at cutter blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1043243C (en) | 1999-05-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |