CN102703669A - 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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- CN102703669A CN102703669A CN2012102315191A CN201210231519A CN102703669A CN 102703669 A CN102703669 A CN 102703669A CN 2012102315191 A CN2012102315191 A CN 2012102315191A CN 201210231519 A CN201210231519 A CN 201210231519A CN 102703669 A CN102703669 A CN 102703669A
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- roller
- charge bar
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- rods
- grinding rod
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000010791 quenching Methods 0.000 claims abstract description 16
- 230000000171 quenching effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 230000000750 progressive effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 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
- 239000000126 substance Substances 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
- 230000005284 excitation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- 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, specifically is the working method of the grinding rod that uses in the rod mill
Background technology
Be used at present the grinding machine of comminuting matter both at home and abroad, mainly contain rod mill and ball mill, wherein, ball mill utilizes the spheroid bump to reach the effect of comminuting matter; Rod mill then mainly utilizes motor to pass through clutch and drives eccentricity excitation piece generation exciting, makes the vibrations together under spring supports of the related frame of cylindrical shell, reaches crushing effect.
The grinding rod that uses in the rod mill is a kind of novel abrasive substance, is the bigger abrasive substance of serious wear, consumption that uses in the present novel rod mill.At present, use the novel rod mill of grinding rod to be applied in the industries such as metallurgy, building materials, cement, mine.
At present, be that charge bar is just translation in conveying and heat-processed, can't rotate with the method for putting into the pond quench treatment after the well-type electric furnace heating again in the grinding rod production process.After this 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 big.Because the material after the thermal treatment has lower intensity and elasticity preferably; So use relatively difficulty of the heat treated grinding rod straightening of well-type electric furnace; Need repeatedly several times even just can be effective for tens times, even also be difficult to reach the quality standard that nonstraightness is less than or equal to 1/1000mm like this.Simultaneously, this heat treating method labour intensity is big, production cost is high, is difficult to bring economic benefit.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the present invention provides the working method of the grinding rod that uses in a kind of rod mill, and it guarantees the homogeneity of heating and quenching temperature; Can flexural deformation after the thermal treatment; Can enhance productivity simultaneously, reduce labour intensity, save production cost.
The technical solution adopted for the present invention to solve the technical problems is that this working method adopts following production stage:
Material needs according to different cut into charge bar with raw material by certain specification and length;
Select for use different rollers to use according to different charge bar diameter specifications then, have " U " connected in star on the roller, this groove should adapt with the charge bar diameter;
The roller-way that utilization is made up of the roller of a plurality of equidirectional uniform rotation that are parallel to each other is carried ready-made charge bar; All rollers of roller-way are provided with in same horizontal plane tilt, and charge bar places " U " connected in star on the roller, and the axis of charge bar intersects with the axis of roller is angled; When roller turn, roller to charge bar produce one along the mobile component of self axial advancement direction and one around the rotational component that self axis rotates, charge bar progressive on roller-way is rotated around self axis simultaneously;
Through roller-way charge bar is transported in the Medium Frequency Induction Heating Furnace heating continuously, charge bar rotates around self axis on roller-way can make more even heating; According to the difference of charge bar material, reach certain temperature after, roller-way delivers into quenching device with charge bar, around charge bar, carries out spray quench to charge bar and handles;
Charge bar after quenching is exported from quenching device through roller-way, the surface temperature naturally cooling and reduce to normal temperature after, again with charge bar through roller-way send into carry out in the box tempering stove second time evenly continuously heating realize the straightening processing; When temperature was heated to 200 ℃-300 ℃, roller-way was exported charge bar from box tempering stove, and naturally cooling obtains grinding rod;
Grinding rod is tested, when the grinding rod linearity can not meet the demands, grinding rod is carried out anneal, repeat above program then and handle, reach standard up to grinding rod.
For further improvement of the present invention: the distance between the roller-way of in this working method, using that is parallel to each other is 50cm.
The beneficial effect that the present invention produces does; This working method is a kind of high-level efficiency, low consumption, free of contamination grinding rod production technique, compares with existing working method, uses this working method to produce the steady quality of grinding rod; Heat treatment hardness value variation range is little; Grinding rod nonstraightness deformation range is little, and productive labor intensity is reduced, and output improves.(seeing attached list one)
Subordinate list one grinding rod performance and output contrast table
Description of drawings
Be elaborated below in conjunction with accompanying drawing and embodiment:
Fig. 1 is a production line structural representation of the present invention
Fig. 2 is the structure iron of roller
Among the figure, 1, roller 2, charge bar 3, " U " connected in star 4, chain gearing
Embodiment
The embodiment of this invention is following:
Material needs according to different cut into charge bar 2 with raw material by certain specification and length;
Select for use different roller 1 to use according to different charge bars 2 diameter specifications then, have " U " connected in star 3 on the roller 1, this groove should adapt with the charge bar diameter;
The roller-way that utilization is made up of the roller 1 of a plurality of equidirectional uniform rotation that are parallel to each other is carried ready-made charge bar 2; Distance between the roller-way that is parallel to each other is 50cm, charge bar at any time all with at least three roller joints, can straightening handle at any time to guarantee charge bar; All rollers 1 of roller-way are provided with in same horizontal plane tilt, and charge bar 2 places " U " connected in star 3 on the roller 1, and the axis of charge bar 2 intersects with the axis of roller 1 is angled; When roller 1 rotates, 1 pair of charge bar of roller 2 produce one along the mobile component of self axial advancement direction and one around the rotational component that self axis rotates, charge bar 2 progressive on roller-way is rotated around self axis simultaneously;
Through roller-way charge bar 2 is transported to heating continuously in the Medium Frequency Induction Heating Furnace; This kind Medium Frequency Induction Heating Furnace has homogeneous heating, advantage rapidly heats up; Can further enhance productivity, reduce labour intensity, charge bar 2 rotates around self axis on roller-way can make more even heating; According to the difference of charge bar 2 materials, reach certain temperature after, roller-way delivers into quenching device with charge bar 2, around charge bar 2, carries out spray quench to charge bar and handles;
Charge bar after quenching 2 is exported from quenching device through roller-way, the surface temperature naturally cooling and reduce to normal temperature after, again with charge bar 2 through roller-way send into carry out in the box tempering stove second time evenly continuously heating realize the straightening processing; When temperature was heated to 200 ℃-300 ℃, roller-way was exported charge bar 2 from box tempering stove, and naturally cooling obtains grinding rod;
At last grinding rod is tested, when the grinding rod linearity can not meet the demands, grinding rod is carried out anneal, repeat above program then and handle, reach standard up to grinding rod.
Protection scope of the present invention is not limited to above embodiment, and the improvement that other are made under teachings of the present invention has similar or identical technical scheme with the present invention, all falls into protection scope of the present invention.
Claims (2)
1. the working method of used grinding rod in the rod mill is characterized in that, comprises following production stage:
Material needs according to different cut into charge bar with raw material by certain specification and length;
Select for use different rollers to use according to different charge bar diameter specifications then, have " U " connected in star on the roller, this groove should adapt with the charge bar diameter;
The roller-way that utilization is made up of the roller of a plurality of equidirectional uniform rotation that are parallel to each other is carried ready-made charge bar; All rollers of roller-way are provided with in same horizontal plane tilt, and charge bar places " U " connected in star on the roller, and the axis of charge bar intersects with the axis of roller is angled; When roller turn, roller to charge bar produce one along the mobile component of self axial advancement direction and one around the rotational component that self axis rotates, charge bar progressive on roller-way is rotated around self axis simultaneously;
Through roller-way charge bar is transported in the Medium Frequency Induction Heating Furnace heating continuously, charge bar rotates around self axis on roller-way can make more even heating; According to the difference of charge bar material, reach certain temperature after, roller-way delivers into quenching device with charge bar, around charge bar, carries out spray quench to charge bar and handles;
Charge bar after quenching is exported from quenching device through roller-way, the surface temperature naturally cooling and reduce to normal temperature after, again with charge bar through roller-way send into carry out in the box tempering stove second time evenly continuously heating realize the straightening processing; When temperature was heated to 200 ℃-300 ℃, roller-way was exported charge bar from box tempering stove, and naturally cooling obtains grinding rod;
Grinding rod is tested, when the grinding rod linearity can not meet the demands, grinding rod is carried out anneal, repeat above program then and handle, reach standard up to grinding rod.
2. the working method of used grinding rod is characterized in that in the rod mill according to claim 1, and the distance between the roller-way of in this working method, using that is parallel to each other is 50cm.
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 true CN102703669A (en) | 2012-10-03 |
| CN102703669B 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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| Country | Link |
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| CN (1) | CN102703669B (en) |
Cited By (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 |
| CN109295285A (en) * | 2018-12-06 | 2019-02-01 | 集美大学 | A kind of transmission mechanism in secondary chilling 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 |
Citations (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 |
| CN1861813A (en) * | 2005-05-13 | 2006-11-15 | 珍成重工业株式会社 | 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 |
| CN101417382A (en) * | 2008-12-11 | 2009-04-29 | 山东华民钢球股份有限公司 | Milling-rod production method |
| CN101503756A (en) * | 2008-02-05 | 2009-08-12 | 姜文国 | Method and apparatus for thermally treating metal rod |
-
2012
- 2012-07-06 CN CN201210231519.1A patent/CN102703669B/en active Active
Patent Citations (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 |
| CN1861813A (en) * | 2005-05-13 | 2006-11-15 | 珍成重工业株式会社 | 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 |
Cited By (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 |
| CN109295285A (en) * | 2018-12-06 | 2019-02-01 | 集美大学 | A kind of transmission mechanism in secondary chilling 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102703669B (en) | 2014-12-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| 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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| 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 | ||
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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 |