CN102703669B - Method for producing grinding rods used in rod mills - Google Patents
Method for producing grinding rods used in rod mills Download PDFInfo
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- CN102703669B CN102703669B CN201210231519.1A CN201210231519A CN102703669B CN 102703669 B CN102703669 B CN 102703669B CN 201210231519 A CN201210231519 A CN 201210231519A CN 102703669 B CN102703669 B CN 102703669B
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- roller
- charge bar
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- rods
- grinding rod
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- 238000000227 grinding Methods 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000010791 quenching Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000000171 quenching effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000000137 annealing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004093 laser heating Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000007669 thermal treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Heat Treatment Of Articles (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a method for producing grinding rods used in rod mills. For solving technical problems, the invention adopts the technical scheme that the method comprises the following steps of: cutting raw materials into rods with certain sizes and lengths according to different material requirements; conveying the prepared rods by using a roll table consisting of a plurality of parallel rollers which rotate uniformly in the same direction; and conveying the rods to a medium frequency induction heating furnace for continuous heating through the roll table, conveying the rods to a quenching device through the roll table after the rods reach certain temperatures according to different rod materials, and spraying and quenching the rods on four sides. The method is a pollution-free grinding rod production technology with high efficiency and low consumption; and compared with the conventional production method, the method has the advantages that the quality of the grinding rods produced by using the production method is stable, the heat treatment hardness value change range is small, the non-straightness deformation range of the grinding rods is small, the production and labor intensity is reduced, and the yield is improved.
Description
Technical field
The present invention relates to the grinding rod production technical field that rod mill uses, the production method of the grinding rod specifically using in rod mill
Background technology
Both at home and abroad for the grinding machine of comminuting matter, mainly contain rod mill and ball mill at present, wherein, ball mill utilizes spheroid to clash into the effect that reaches comminuting matter; Rod mill, mainly utilizes motor to drive eccentricity excitation piece to produce exciting by clutch, makes the vibrations together under spring supporting of the related frame of cylindrical shell, reaches crushing effect.
The grinding rod using in rod mill is a kind of new grinding material, is the larger abrasive substance of serious wear, consumption using in current New bar grinding machine.At present, use the New bar grinding machine of grinding rod to be applied in the industries such as metallurgy, building materials, cement, mine.
At present, in grinding rod production process, be that charge bar is just translation in conveying and heat-processed, cannot rotate by the method for putting into again pond quench treatment after well-type electric furnace heating.After the method thermal treatment, the easy flexural deformation of charge bar, hardness is inhomogeneous; The hardness deviation of same grinding rod two ends or positive and negative different positions is also very large.Because the material after thermal treatment has lower intensity and good elasticity, so use the heat treated grinding rod straightening of well-type electric furnace more difficult, need repeatedly even just can be effective for tens times several times, even if be also difficult to reach like this quality standard that nonstraightness is less than or equal to 1/1000mm.Meanwhile, this heat treating method labour intensity is large, production cost is high, is difficult to bring economic benefit.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the invention provides the production method of the grinding rod using in a kind of rod mill, the homogeneity of its guarantee heating and quenching temperature, can flexural deformation after thermal treatment, can enhance productivity, reduce labour intensity, save production cost simultaneously.
The technical solution adopted for the present invention to solve the technical problems is that this production method adopts following production stage:
According to different material needs, raw material is cut into charge bar by certain specification and length;
Then select different rollers to use according to different charge bar diameter specifications, have " U " connected in star on roller, this groove should adapt with charge bar diameter;
Utilize and carry ready-made charge bar by the molecular roller-way of roller of the multiple equidirectional uniform rotation that are parallel to each other, the distance between the roller-way being parallel to each other is 50cm, charge bar at any time all with at least three roller joints; All rollers of roller-way are in the tilted setting of same level, and charge bar is placed in " U " connected in star on roller, and the axis of charge bar intersects with the axis of roller is angled; In the time of roller turn, roller produces to charge bar the rotational component that the mobile component along self axial advancement direction and rotate around self axis, rotates in charge bar is advanced on roller-way around self axis;
By roller-way, charge bar is transported to laser heating in Medium Frequency Induction Heating Furnace, charge bar rotates and can make heating more even around self axis on roller-way; According to the difference of charge bar material, reach after certain temperature, charge bar is delivered into quenching device by roller-way, carries out spray quench processing in charge bar surrounding to charge bar;
Charge bar after quenching is exported from quenching device through roller-way, and surface temperature naturally cooling is also down to after normal temperature, again charge bar is sent into and in chamber type annealing stove, is carried out for the second time evenly laser heating and realize straightening processing by roller-way; In the time that temperature is heated to 200 DEG C-300 DEG C, roller-way is exported charge bar from chamber type annealing stove, and naturally cooling obtains grinding rod;
Grinding rod is tested, when grinding rod linearity can not meet the demands, grinding rod is carried out to anneal, then repeat above program and process, until grinding rod reaches standard.
For further improvement of the present invention: the distance between the roller-way being parallel to each other of using in this production method is 50cm.
The beneficial effect that the present invention produces is, this production method is a kind of high-level efficiency, low consumption, free of contamination grinding rod production technique, compared with existing production method, use this production method to produce the steady quality of grinding rod, heat treatment hardness value variation range is little, grinding rod nonstraightness deformation range is little, makes productive labor strength decreased simultaneously, and output improves.(seeing attached list one)
Subordinate list one grinding rod performance and yield comparison table
Brief description of the drawings
Be elaborated below in conjunction with the drawings and specific embodiments:
Fig. 1 is production line structural representation of the present invention
Fig. 2 is the structure iron of roller
In figure, 1, roller 2, charge bar 3, " U " connected in star 4, chain gearing
Embodiment
The embodiment of this invention is as follows:
According to different material needs, raw material is cut into charge bar 2 by certain specification and length;
Then select different roller 1 to use according to different charge bars 2 diameter specifications, have " U " connected in star 3 on roller 1, this groove should adapt with charge bar diameter;
Utilize the roller-way being formed by the roller 1 of the multiple equidirectional uniform rotation that are parallel to each other to carry ready-made charge bar 2; Distance between the roller-way being parallel to each other is 50cm, charge bar at any time all with at least three roller joints, to ensure that charge bar at any time can straightening processing; All rollers 1 of roller-way are in the tilted setting of same level, and charge bar 2 is placed in " U " connected in star 3 on roller 1, the angled intersection of axis of the axis of charge bar 2 and roller 1; In the time that roller 1 rotates, roller 1 produces to charge bar 2 rotational component that the mobile component along self axial advancement direction and rotate around self axis, rotates in charge bar 2 is advanced on roller-way around self axis;
By roller-way, charge bar 2 is transported to laser heating in Medium Frequency Induction Heating Furnace, this kind of Medium Frequency Induction Heating Furnace has homogeneous heating, advantage rapidly heats up, can further enhance productivity, reduce labour intensity, charge bar 2 rotates and can make heating more even around self axis on roller-way; According to the difference of charge bar 2 materials, reach after certain temperature, charge bar 2 is delivered into quenching device by roller-way, carries out spray quench processing in charge bar 2 surroundings to charge bar;
Charge bar 2 after quenching is exported from quenching device through roller-way, and surface temperature naturally cooling is also down to after normal temperature, again charge bar 2 is sent into and in chamber type annealing stove, is carried out for the second time evenly laser heating and realize straightening processing by roller-way; In the time that temperature is heated to 200 DEG C-300 DEG C, roller-way is exported charge bar 2 from chamber type annealing stove, and naturally cooling obtains grinding rod;
Finally grinding rod is tested, when grinding rod linearity can not meet the demands, grinding rod is carried out to anneal, then repeat above program and process, until grinding rod reaches standard.
Protection scope of the present invention is not limited to above embodiment, and the improvement that other make under technology enlightenment of the present invention, has similar or identical technical scheme with the present invention, all falls into protection scope of the present invention.
Claims (1)
1. the production method of grinding rod used in rod mill, is characterized in that, comprises following production stage:
According to different material needs, raw material is cut into charge bar by certain specification and length;
Then select different rollers to use according to different charge bar diameter specifications, have " U " connected in star on roller, this groove should adapt with charge bar diameter;
Utilize and carry ready-made charge bar by the molecular roller-way of roller of the multiple equidirectional uniform rotation that are parallel to each other, the distance between the roller-way being parallel to each other is 50cm, charge bar at any time all with at least three roller joints; All rollers of roller-way are in the tilted setting of same level, and charge bar is placed in " U " connected in star on roller, and the axis of charge bar intersects with the axis of roller is angled; In the time of roller turn, roller produces to charge bar the rotational component that the mobile component along self axial advancement direction and rotate around self axis, rotates in charge bar is advanced on roller-way around self axis;
By roller-way, charge bar is transported to laser heating in Medium Frequency Induction Heating Furnace, charge bar rotates and can make heating more even around self axis on roller-way; According to the difference of charge bar material, reach after certain temperature, charge bar is delivered into quenching device by roller-way, carries out spray quench processing in charge bar surrounding to charge bar;
Charge bar after quenching is exported from quenching device through roller-way, and surface temperature naturally cooling is also down to after normal temperature, again charge bar is sent into and in chamber type annealing stove, is carried out for the second time evenly laser heating and realize straightening processing by roller-way; In the time that temperature is heated to 200 DEG C-300 DEG C, roller-way is exported charge bar from chamber type annealing stove, and naturally cooling obtains grinding rod;
Grinding rod is tested, when grinding rod linearity can not meet the demands, grinding rod is carried out to anneal, then repeat above program and process, until grinding rod reaches standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231519.1A CN102703669B (en) | 2012-07-06 | 2012-07-06 | Method for producing grinding rods used in rod mills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231519.1A CN102703669B (en) | 2012-07-06 | 2012-07-06 | Method for producing grinding rods used in rod mills |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102703669A CN102703669A (en) | 2012-10-03 |
| CN102703669B true CN102703669B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210231519.1A Active CN102703669B (en) | 2012-07-06 | 2012-07-06 | Method for producing grinding rods used in rod mills |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045811A (en) * | 2012-12-19 | 2013-04-17 | 苏州工业园区姑苏科技有限公司 | Barstock rotating induction quenching device |
| CN109295285B (en) * | 2018-12-06 | 2020-02-21 | 集美大学 | Transmission mechanism in secondary quenching treatment device |
| CN111676349A (en) * | 2020-05-12 | 2020-09-18 | 江阴兴澄合金材料有限公司 | Tempering process of round steel and application thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003172150A (en) * | 2001-12-03 | 2003-06-20 | Toshiba Corp | Softening heat treatment method for gas turbine blade |
| JP2005002445A (en) * | 2003-06-13 | 2005-01-06 | Aisin Takaoka Ltd | Heat treatment method for member made of spheroidal graphite cast iron |
| KR100527678B1 (en) * | 2005-05-13 | 2005-11-23 | 진성중공업 주식회사 | The processing apparatus using inducting heating of the part in the long bar and a method thereof |
| CN200995363Y (en) * | 2006-12-20 | 2007-12-26 | 青岛铸造机械集团公司 | Rod roller-way conveyor |
| CN101503756A (en) * | 2008-02-05 | 2009-08-12 | 姜文国 | Method and apparatus for thermally treating metal rod |
| CN101417382A (en) * | 2008-12-11 | 2009-04-29 | 山东华民钢球股份有限公司 | Milling-rod production method |
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| CN102703669A (en) | 2012-10-03 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170209 Address after: Zhangqiu City, Ji'nan City, Shandong province 250200 Guan Zhuang Xiang Yang Jun Cun Patentee after: SHANDONG HUAMIN STEEL BALL JOINT-STOCK Co.,Ltd. Address before: Zhangqiu City, Ji'nan City, Shandong province 250200 Tang Road No. 8 Patentee before: Hou Yumin |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production method of grinding rod used in rod mill Effective date of registration: 20230208 Granted publication date: 20141210 Pledgee: Shandong Tongsheng Financing Guarantee Co.,Ltd. Pledgor: SHANDONG HUAMIN STEEL BALL JOINT-STOCK Co.,Ltd. Registration number: Y2023980032266 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20141210 Pledgee: Shandong Tongsheng Financing Guarantee Co.,Ltd. Pledgor: SHANDONG HUAMIN STEEL BALL JOINT-STOCK Co.,Ltd. Registration number: Y2023980032266 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |