CN1526881A - Road planer tool set and the tool machining process thereof - Google Patents
Road planer tool set and the tool machining process thereof Download PDFInfo
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- CN1526881A CN1526881A CNA031192726A CN03119272A CN1526881A CN 1526881 A CN1526881 A CN 1526881A CN A031192726 A CNA031192726 A CN A031192726A CN 03119272 A CN03119272 A CN 03119272A CN 1526881 A CN1526881 A CN 1526881A
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- planing tool
- particle diameter
- tungsten carbide
- road planer
- road
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Abstract
The present invention is road planer tool set and the tool machining process thereof. The present invention aims to provide road construction apparatus part with high wear resistance, high hardness, high toughness and high planing effect and its machining. The road planer tool set includes a tool seat and a planer tool. The tool seat has shaft part on its one side, elastic element and positioning washer set successively on the shaft part, and planer tool holder set in the far end. The planer tool has root part, conic part, cylindrical part and tip part with circular plane arranged successively. The planer tool is machined with small WC grains, large WC grains and sintered metal Co powder in 6-12 wt%, and through mixing and vacuum sintering.
Description
Technical field
The invention belongs to the planing tool group of road construction part of appliance and manufacture method thereof, particularly a kind of road planer and the manufacture method of planing tool thereof.
Background technology
The road major part in each Da Xiang, town, city is laid by bitumen A C road surface or cement RC road surface to form now.Road can be because bear many artificial or natural destructions under long the use, and for example spreading of vehicle, construction excavation, earthquake or the rainy road surface that causes produce rugged or be full of cracks, and then cause passerby's inconvenience.Therefore, when road is destroyed, promptly must pavement of road be excluded, and be laid again to obtain preferable road quality by road planer.And the employed planing tool of the machine of excluding mainly is to be made by tungsten carbide and sintering metal cobalt.
Yet, along with the improvement of road pavement quality and the progress of paving mode, make that holding capacity and the impact force when excluding the employed planing tool of machine contacts with ground significantly improves, therefore, also often cause the abrasion of cutter to be quickened.Moreover generally influence planing tool usefulness and the life-span is following two kinds of reasons:
1, make the material of planing tool:
General planing tool is to be made by tungsten carbide and sintering metal cobalt, and tungsten carbide particle size system and the hardness relation of being inversely proportional to; And it is proportional with toughness intensity.So particle diameter is littler, heal height but toughness intensity is relatively poor of hardness then; More then hardness is lower for particle diameter, but has preferable toughness intensity.
2, the appearance profile of planing tool design:
As shown in Figure 5, commonly use planing tool and lie in base portion top and be equipped with circular arc tapering, columnar portion and pointed cone portion in regular turn, and form level and smooth circular arc camber in pointed cone portion is terminal.Yet, when excluding operation, the direct forward kiss the earth of circular arc camber meeting of planing tool, at this moment, if meet rugged road surface, the positive pressure that then increases circular arc camber and born, and then cause circular arc camber to make and the contact area increasing on road surface because of excessive abrasion, cause excluding effect and significantly reduce.
Summary of the invention
The purpose of this invention is to provide that a kind of abrasion performance is good, hardness is high, toughness intensity is good, exclude the planing tool group of effective road planer and the manufacture method of planing tool thereof.
The planing tool group of road planer of the present invention comprises tool rest and planing tool; Tool rest one side extends axial region, and on axial region sheathed in regular turn flexible member and locating shim; Tool rest is provided with the storage tank that the location is installed with planing tool away from the axial region end; Planing tool is provided with base portion, and is equipped with circular arc tapering, columnar portion and pointed cone portion in regular turn in the base portion top; And end is provided with circular flat in pointed cone portion; Planing tool manufacture method system is after the sintering metal cobalt powder mixes between 6～12wt% by small particle diameter tungsten carbide and big particle diameter tungsten carbide and content, is made by vacuum-sintering again.
Wherein:
The diameter of circular flat system between base diameter 10%～30% between
The cambered surface radius in circular arc tapering between base diameter 15%～30% between.
The diameter of columnar portion then between base diameter 45%～60% between.
The particle diameter of small particle diameter tungsten carbide and big particle diameter tungsten carbide is between 2～15 μ m.
The ratio of small particle diameter tungsten carbide and big particle diameter tungsten carbide is between 1: 3 to 1: 5.
The small particle diameter tungsten carbide is 5: 15 μ m with the particle diameter proportioning of big particle diameter tungsten carbide.
The small particle diameter tungsten carbide is 4: 12 μ m with the particle diameter proportioning of big particle diameter tungsten carbide.
The small particle diameter tungsten carbide is 2: 7 μ m with the particle diameter proportioning of big particle diameter tungsten carbide.
Sintering metal cobalt dust content is between 8～10wt%.
The vacuum-sintering temperature is 1430 ℃～1480 ℃.
Because the planing tool group of road planer of the present invention comprises tool rest and planing tool; Tool rest one side extends axial region, and on axial region sheathed in regular turn flexible member and locating shim; Tool rest is provided with the storage tank that the location is installed with planing tool away from the axial region end; Planing tool is provided with base portion, and is equipped with circular arc tapering, columnar portion and pointed cone portion in regular turn in the base portion top; And end is provided with circular flat in pointed cone portion; Planing tool manufacture method system is after the sintering metal cobalt powder mixes between 6～12wt% by small particle diameter tungsten carbide and big particle diameter tungsten carbide and content, is made by vacuum-sintering again.During assembling, the planing tool group is set the storage tank that is positioned at tool rest, invent with assembly cost, then, plural the present invention is positioned the road planer wheel drive surfaces in the mode of ring-like array, and then can in the process that driving wheel rolls, leveling be excluded on the road surface by planing tool.Planing tool utilizes small particle diameter tungsten carbide and selected particle size range and the proportionate relationship of big particle diameter tungsten carbide, reaches high tenacity, high strength and wear-resisting equilibrium valve; And the toughness of planing tool is promoted, exclude operation so that be applied on the harder road surface.Not only abrasion performance is good, and hardness height, toughness intensity good, exclude effective, thereby reach purpose of the present invention.
Description of drawings
Fig. 1, for decomposition texture schematic isometric of the present invention.
Fig. 2, for structural representation sectional view of the present invention.
Fig. 3, for planing tool structural representation stereogram of the present invention.
Fig. 4, establish road planer structural representation stereogram of the present invention for group.
Fig. 5, planing tool structural representation stereogram for commonly using.
The specific embodiment
As shown in Figure 1 and Figure 2, the present invention includes tool rest 1 and planing tool 2.
Tool rest 1 one sides extend axial region 11, and on axial region 11 sheathed in regular turn flexible member 13 and locating shim 12; Tool rest 1 is provided with the storage tank 14 that the location is installed with planing tool 2 away from axial region 11 ends.
Planing tool 2 is to arrange in pairs or groups big particle diameter tungsten carbide to improve the toughness intensity of planing tool by the abrasion performance of small particle diameter tungsten carbide in manufacture process, and utilize small particle diameter tungsten carbide and selected particle size range and the proportionate relationship of big particle diameter tungsten carbide, reach high tenacity, high strength and wear-resisting equilibrium valve.And in vacuum sintering furnace, the sintering metal cobalt is heated to eutectic temperature and forms liquid phase more than 1280 ℃, and utilizing surface energy and heat energy driving force, the sintering metal cobalt that makes into liquid state is distributed in the crystal boundary place between small particle diameter tungsten carbide and big particle diameter tungsten carbide equably.And sintered cobalt content of the present invention so the toughness of planing tool is promoted, is excluded operation so that be applied on the harder road surface between 6～12wt%.
As shown in Figure 3, planing tool 2 is provided with base portion 21, and is equipped with circular arc tapering 22, columnar portion 23 and pointed cone portion 24 in regular turn in base portion 21 tops.And 24 ends are provided with circular flat 25 in pointed cone portion.The diameter of circular flat 25 system between base portion 21 diameters 10%～30% between; The cambered surface radius in circular arc tapering 22 between base portion 21 diameters 15%～30% between; Moreover the diameter of columnar portion 24 then between base portion 21 diameters 45%～60% between, and then make circular flat 25 when contacting, can bear bigger positive pressure with the road surface, and planing tool 2 can be worn away uniformly, and after abrasion, still can possess sharp-pointed appearance curve.
As shown in Figure 4, during assembling, planing tool is set the storage tank 14 that is positioned at tool rest 1 for 2 groups, invent with assembly cost, then, plural the present invention is positioned road planer 3 driving wheels 31 surfaces in the mode of ring-like array, and then can be in the process that driving wheel 31 rolls, leveling is excluded on the road surface by planing tool 2.
Claims (12)
1, a kind of planing tool group of road planer, it comprises tool rest and planing tool; Tool rest one side extends axial region, and on axial region sheathed in regular turn flexible member and locating shim; Tool rest is provided with the storage tank that the location is installed with planing tool away from the axial region end; It is characterized in that described planing tool is provided with base portion, and be equipped with circular arc tapering, columnar portion and pointed cone portion in regular turn in the base portion top; And end is provided with circular flat in pointed cone portion.
2, the planing tool group of road planer according to claim 1, the diameter system that it is characterized in that described circular flat between base diameter 10%～30% between
3, the planing tool group of road planer according to claim 1, the cambered surface radius that it is characterized in that described circular arc tapering between base diameter 15%～30% between.
4, the planing tool group of road planer according to claim 1, the diameter that it is characterized in that described columnar portion then between base diameter 45%～60% between.
5, a kind of manufacture method of planing tool group planing tool of road planer is characterized in that it is is after the sintering metal cobalt powder mixes between 6～12wt% by small particle diameter tungsten carbide and big particle diameter tungsten carbide and content, is made by vacuum-sintering again.
6, the manufacture method of the planing tool group planing tool of road planer according to claim 5, the particle diameter that it is characterized in that described small particle diameter tungsten carbide and big particle diameter tungsten carbide is between 2～15 μ m.
7, the manufacture method of the planing tool group planing tool of road planer according to claim 5, the ratio that it is characterized in that described small particle diameter tungsten carbide and big particle diameter tungsten carbide is between 1: 3 to 1: 5.
8, the manufacture method of the planing tool group planing tool of road planer according to claim 5 is characterized in that the described small particle diameter tungsten carbide and the particle diameter proportioning of big particle diameter tungsten carbide are 5: 15 μ m.
9, the manufacture method of the planing tool group planing tool of road planer according to claim 5 is characterized in that the described small particle diameter tungsten carbide and the particle diameter proportioning of big particle diameter tungsten carbide are 4: 12 μ m.
10, the manufacture method of the planing tool group planing tool of road planer according to claim 5 is characterized in that the described small particle diameter tungsten carbide and the particle diameter proportioning of big particle diameter tungsten carbide are 2: 7 μ m.
11, the manufacture method of the planing tool group planing tool of road planer according to claim 5 is characterized in that described sintering metal cobalt dust content is between 8～10wt%.
12, the manufacture method of the planing tool group planing tool of road planer according to claim 5 is characterized in that described vacuum-sintering temperature is 1430 ℃～1480 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031192726A CN1526881A (en) | 2003-03-06 | 2003-03-06 | Road planer tool set and the tool machining process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031192726A CN1526881A (en) | 2003-03-06 | 2003-03-06 | Road planer tool set and the tool machining process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN1526881A true CN1526881A (en) | 2004-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031192726A Pending CN1526881A (en) | 2003-03-06 | 2003-03-06 | Road planer tool set and the tool machining process thereof |
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| CN (1) | CN1526881A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304616C (en) * | 2005-04-19 | 2007-03-14 | 吉林省明洋刀具有限责任公司 | Blade material of artificial board large carpenter's and its production method |
| CN102267173A (en) * | 2010-06-02 | 2011-12-07 | 林瑞雄 | ground roughing device |
| CN114908652A (en) * | 2022-05-31 | 2022-08-16 | 江苏徐工工程机械研究院有限公司 | Milling cutter head, method for producing the milling cutter head, milling rotor and road milling machine |
-
2003
- 2003-03-06 CN CNA031192726A patent/CN1526881A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304616C (en) * | 2005-04-19 | 2007-03-14 | 吉林省明洋刀具有限责任公司 | Blade material of artificial board large carpenter's and its production method |
| CN102267173A (en) * | 2010-06-02 | 2011-12-07 | 林瑞雄 | ground roughing device |
| CN114908652A (en) * | 2022-05-31 | 2022-08-16 | 江苏徐工工程机械研究院有限公司 | Milling cutter head, method for producing the milling cutter head, milling rotor and road milling machine |
| CN114908652B (en) * | 2022-05-31 | 2023-10-03 | 江苏徐工工程机械研究院有限公司 | Milling cutter head, forming method thereof, milling rotor and pavement milling machine |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |