CN110744072A - Online turning method for mixing rolling ring in sintering system - Google Patents
Online turning method for mixing rolling ring in sintering system Download PDFInfo
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- CN110744072A CN110744072A CN201911065560.4A CN201911065560A CN110744072A CN 110744072 A CN110744072 A CN 110744072A CN 201911065560 A CN201911065560 A CN 201911065560A CN 110744072 A CN110744072 A CN 110744072A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
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Abstract
The invention discloses an online turning method for a mixing rolling ring in a sintering system, which comprises the following steps: firstly, before a cylinder rolling ring of a mixer is processed, a strut expansion device in the cylinder is adjusted to enable the center of the strut expansion device to be superposed with the center of a large gear ring of the outer diameter of the cylinder; secondly, welding the pillar expansion device with the contact point of the cylinder wall firmly; thirdly, supporting the mixer barrel by using a rack, and separating the mixer barrel from the four carrier rollers to enable the center of the barrel to be in a horizontal position; fourthly, the turning device is arranged on one side of the cylinder body, and the horizontal angle between the cylinder body and the turning device is adjusted; fifthly, the cylinder is driven to rotate by the cylinder transmission device for turning, and the two rolling rings and the gear ring frame are processed together; the method can ensure the original center of the cylinder by using the telescopic device, and the cylinder is separated from four carrier rollers to ensure the concentricity and the roundness of the cylinder; the rotating speed of the cylinder can be adjusted by the speed adjusting motor to realize various rotating speeds, the tool consumption is large, the efficiency is higher, and the precision is higher.
Description
Technical Field
The invention relates to the technical field of processing of a mixing rolling ring, in particular to an online turning method of the mixing rolling ring in a sintering system.
Background
Patent No. 201410666658.6 discloses an on-site turning device and a turning method for a steam calciner rolling ring, and patent No. 201710419148.2 discloses an on-site milling device and a milling method for a sintering mixer backing ring, wherein the processing devices and the processing methods in the two patents can process the rolling ring, but the following defects also exist: 1. the original center of the cylinder cannot be aligned before the cylinder is processed; 2. the two rolling rings and the gear ring of the cylinder are not concentric after being milled; 3. when the four carrier rollers are positioned for supporting, the roundness of the rolling ring is changed due to serious abrasion, and the stability is extremely poor; 4. even if the precision of the four carrier rollers is higher and the positions are found correctly, the four carrier rollers rotate during milling, namely the cylinder, the rolling ring and the gear ring, rather than taking the center of the cylinder as the standard; 5. when the milling is carried out, the rotating speed and the cutting depth of the cylinder are too low, the efficiency is low, and the requirements cannot be met when high rotating speed is required; 6. after the milling barrel is installed, the two rolling rings are asynchronous, and the gear clearance between the small gear and the large gear ring is not uniform, so that the use requirement cannot be met.
Disclosure of Invention
The invention aims to provide the method for turning the mixing rolling ring in the sintering system on line, which has the advantages of simple structure, reasonable design and convenient use and aims at overcoming the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: it comprises the following steps:
firstly, before a cylinder rolling ring of a mixer is processed, a support column expansion device is arranged at two ends of a processed cylinder, the outer diameter of a gear ring of the cylinder is taken as a reference, then the support column expansion device is adjusted to be in contact with the cylinder, so that the center of the support column expansion device is superposed with the center of a large gear ring of the outer diameter of the cylinder, and the center of the support column expansion device and the center of the large gear ring are the same center;
secondly, welding the contact position of the bolt on the strut telescopic device and the cylinder wall firmly by electric welding;
after the alignment between the outside of the gear ring of the cylinder body and the center of the strut telescopic device is finished, supporting the cylinder body of the mixer by using the rack, and shafts and bearing blocks which are arranged at the two ends of the cylinder body, and separating the four carrier rollers to ensure that the center of the cylinder body is in a horizontal position;
fourthly, the turning device is arranged on one side of the cylinder, the theodolite is used for detecting the horizontal and vertical angles between the cylinder and the turning device, and the horizontal angle between the cylinder and the turning device is adjusted to ensure the precision and the position size before machining;
and fifthly, the cylinder is driven to rotate by the cylinder transmission device for turning, and the two rolling rings and the gear ring frame are processed together, so that the center of the rolling rings, the center of the gear frame and the center of the cylinder are ensured to be in the same central position.
Furthermore, in the first step, the strut telescoping devices are arranged in a double-layer mode; each layer is provided with eight pillars distributed in a circular array; each strut is made of channel steel; one end of the strut is welded with the through shaft in the center of the cylinder, the other end of the strut is welded with a nut, and the nut is matched with a bolt; the tail end of the bolt is contacted with the inner wall of the cylinder body;
furthermore, a disc with the diameter of 600mm is arranged at the center of the support column telescopic device; the center of the disc is concentric with the center of the support telescopic device; a first fixed sliding needle is arranged on the disc; a second fixed sliding needle is arranged on the outer diameter of the large gear ring of the outer diameter of the cylinder body;
furthermore, the turning device in the fourth step comprises a variable frequency speed regulating motor, a reduction gearbox, a large supporting plate, a small supporting plate, a tool rest and an index plate; the variable-frequency speed regulating motor is in transmission connection with the reduction gearbox and drives the tool rest to feed transversely or longitudinally through the large supporting plate and the small supporting plate; regulating the voltage and current of a variable-frequency speed-regulating motor according to the turning amount, wherein the turning speed of the cylinder is 30-80 mm per minute, the turning depth is 0.8-25 mm, and the feed amount is 0.25 mm; polishing the barrel 20 by using a sand belt mill after the barrel is machined, wherein the precision is more than 6.3 delta;
further, the cylinder transmission device in the fifth step comprises a speed regulating motor, a speed reducer, a belt and a roller; the speed regulating motor is in transmission connection with the speed reducer; the speed reducer is in transmission connection with the cylinder body through a belt by the roller; the drum is driven to rotate by the drum transmission device and is driven to rotate by the belt, so that the rotating speed of the drum is adjusted to 3-6 revolutions per minute; the single side of the cutting depth is 2.5mm, the feed amount is 0.25mm, and the cutting linear speed is 30-80 m/min; the 2.5 degree angle of the side surface of the rolling ring is cut by an index plate.
After the scheme is adopted, the invention has the beneficial effects that: according to the online turning method for the mixing rolling ring in the sintering system, the original center of the cylinder body can be ensured by using the telescopic device, and the cylinder body is separated from four carrier rollers to ensure the concentricity and the roundness of the cylinder body; the rotating speed of the cylinder can be adjusted by the speed adjusting motor to realize various rotating speeds, the tool consumption is large, the efficiency is higher, and the precision is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the connection of a strut retractor to a barrel;
FIG. 2 is a schematic view of the connection of the cartridge to the holder;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic structural view of the present invention;
fig. 5 is a schematic structural view of the strut retractor.
Description of reference numerals:
1. a strut retractor; 2. a pillar; 3. a bearing seat; 4. passing through the shaft; 5. a frame; 6. a tool holder; 7. an index plate; 8. a large pallet; 9. a small pallet; 10. a variable frequency speed regulating motor; 11. a reduction gearbox; 12. a belt; 13. a speed reducer; 14. a drum; 15. a bolt; 16. a variable speed motor; 17. rolling a ring; 18. a ring gear; 19. a disc; 20. and (4) a cylinder body.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: it comprises the following steps:
before a cylinder rolling ring of a mixer is processed, aligning a cylinder 20 and a gear ring 18 of the mixer by taking technical parameters of equipment as a reference, taking the center of the cylinder 20 and the center of a large gear ring 18 as a reference, firstly, installing a support telescopic device 1 at two ends of the processed cylinder 20, taking the outer diameter of the gear ring 18 of the cylinder as a reference, and then adjusting the support telescopic device 1 to be in contact with the cylinder 20 to ensure that the center of the support telescopic device 1 is superposed with the center of the large gear ring 18 of the outer diameter of the cylinder 20, wherein the center of the support telescopic device 1 and the center of the large gear ring 18 are the same center;
secondly, welding the contact position of the bolt 15 on the strut expansion device 1 and the wall of the cylinder body 20 firmly by electric welding;
thirdly, after the outer part of the cylinder gear ring 18 is aligned with the center of the pillar stretching device 1, supporting the cylinder 20 of the mixer by using the frame 5, shafts and bearing blocks 3 arranged at the two ends of the cylinder, and separating the four carrier rollers to ensure that the center of the cylinder 20 is in a horizontal position;
fourthly, the turning device is arranged at the positions of the two rolling rings 17 of the cylinder body, the theodolite is used for detecting the horizontal degree and the verticality between the two rolling rings, and the horizontal angle between the cylinder body 20 and the turning device is adjusted so as to ensure the precision and the position size before processing;
and fifthly, the cylinder body 20 is driven to rotate by the cylinder body transmission device for turning, and the two rolling rings 17 and the gear ring frame are processed together, so that the center of the rolling rings 17, the center of the gear frame and the center of the cylinder body 10 are ensured to be in the same central position.
Furthermore, the strut telescoping device 1 adopts a double-layer arrangement; each layer is provided with eight pillars 2 which are distributed in a circular array; each strut 2 is made of channel steel; one end of the pillar 2 is welded with the through shaft 4 at the center of the cylinder, and the other end is welded with a nut which is matched with a bolt 15; screwing the bolt 15 into the nut towards the inner wall of the cylinder 20 to enable the bolt 15 to be in contact with the inner wall of the cylinder 20, and adjusting the support 2 by screwing the bolt until the cylinder 20 and the support telescopic device 1 are adjusted to be a center; after the adjustment is completed, the bolt 15 is welded and fixed with the inner wall of the cylinder 20;
further, a disc 19 with the diameter of 600mm is arranged at the center of the support column telescopic device 1 and is used as an alignment reference; the circle center of the disc 19 is concentric with the center of the support telescopic device 1; when the center of the cylinder body 20 is found, the tooth crest of the large gear ring 18 with the outer diameter of the cylinder body is taken as a reference point, and the outer diameter of the large gear ring 18 is provided with a fixed sliding needle II; adjusting the strut telescoping device 1 to achieve the coincidence of the center of the gear ring 18 and the center of the strut telescoping device 1; the method for checking whether the centers coincide is as follows: rotating the barrel 20, if the sizes of the corresponding parts of the first fixed sliding needle and the second fixed sliding needle are not changed at the moment, indicating that the two centers are overlapped;
furthermore, the turning device in the fourth step comprises a variable frequency speed regulating motor 10, a reduction gearbox 11, a large supporting plate 8, a small supporting plate 9, a tool rest 6 and an index plate 7; the variable frequency speed regulating motor 10 is in transmission connection with the reduction gearbox 11 and drives the knife rest 6 to feed transversely or longitudinally through the large supporting plate 8 and the small supporting plate 9.
The structure and the operation method of the turning device are the same as those of a barrel lathe in the prior art, the feed amount is adjusted by a variable frequency speed regulating motor 10 and a reduction box 11, the voltage and the current of the variable frequency speed regulating motor 10 are adjusted according to the turning amount, the barrel turning speed is 30 mm-80 mm per minute, the turning depth is 0.8-25 mm, and the feed amount is 0.25 mm; polishing the barrel 20 by using a sand belt mill after the barrel is machined, wherein the precision is more than 6.3 delta;
further, the cylinder transmission device in the fifth step comprises a speed regulating motor 16, a speed reducer 13, a belt 12 and a roller 14; the speed regulating motor 16 is in transmission connection with the speed reducer 13; the speed reducer 13 is in transmission connection with the cylinder 20 through a roller 14 and a belt 12; the drum 14 is driven to rotate by the drum transmission device, and the drum 20 is driven to rotate by the belt 12, so that the rotating speed of the drum 20 is adjusted to 3-6 revolutions per minute; the single side of the cutting depth is 2.5mm, the feed amount is 0.25mm, and the cutting linear speed is 30-80 m/min; cutting the 2.5-degree angle of the side surface of the rolling ring 17 by using an index plate 7; after the barrel 20 is machined, the assembly and debugging once reach the operation index, the barrel jumps by 0.5mm, the gear ring jumps by 1mm, and the concentricity of the barrel is 1 mm.
A3.8X 18m cylinder was machined by this method, taking 96 hours from the start of cutting to the end of machining.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The on-line turning method for the mixing rolling ring in the sintering system is characterized by comprising the following steps of:
firstly, before a cylinder rolling ring of a mixer is processed, a support column expansion device is arranged at two ends of a processed cylinder, the outer diameter of a gear ring of the cylinder is taken as a reference, then the support column expansion device is adjusted to be in contact with the cylinder, so that the center of the support column expansion device is superposed with the center of a large gear ring of the outer diameter of the cylinder, and the center of the support column expansion device and the center of the large gear ring are the same center;
secondly, welding the contact position of the bolt on the strut telescopic device and the cylinder wall firmly by electric welding;
after the alignment between the outside of the gear ring of the cylinder body and the center of the strut telescopic device is finished, supporting the cylinder body of the mixer by using the rack, and shafts and bearing blocks which are arranged at the two ends of the cylinder body, and separating the four carrier rollers to ensure that the center of the cylinder body is in a horizontal position;
fourthly, the turning device is arranged on one side of the cylinder, the theodolite is used for detecting the horizontal and vertical angles between the cylinder and the turning device, and the horizontal angle between the cylinder and the turning device is adjusted to ensure the precision and the position size before machining;
and fifthly, the cylinder is driven to rotate by the cylinder transmission device for turning, and the two rolling rings and the gear ring frame are processed together, so that the center of the rolling rings, the center of the gear frame and the center of the cylinder are ensured to be in the same central position.
2. The on-line turning method for the mixing rolling ring in the sintering system as claimed in claim 1, wherein in the step one, the strut telescoping device is arranged in a double layer; each layer is provided with eight pillars distributed in a circular array; each strut is made of channel steel; one end of the strut is welded with the through shaft in the center of the cylinder, the other end of the strut is welded with a nut, and the nut is matched with a bolt; the end of the bolt contacts the inner wall of the cylinder.
3. The method for turning the mixing roller ring in the sintering system according to claim 1 or 2, wherein the center of the support expansion device is provided with a disc with a diameter of 600 mm; the center of the disc is concentric with the center of the support telescopic device; a first fixed sliding needle is arranged on the disc; and a second fixed sliding needle is arranged on the outer diameter of the large gear ring of the outer diameter of the cylinder body.
4. The method for turning the mixing rolling ring in the sintering system according to claim 1, wherein the turning device in the fourth step comprises a variable frequency speed regulating motor, a reduction gearbox, a large supporting plate, a small supporting plate, a tool rest and an index plate; the variable-frequency speed regulating motor is in transmission connection with the reduction gearbox and drives the tool rest to feed transversely or longitudinally through the large supporting plate and the small supporting plate; regulating the voltage and current of a variable-frequency speed-regulating motor according to the turning amount, wherein the turning speed of the cylinder is 30-80 mm per minute, the turning depth is 0.8-25 mm, and the feed amount is 0.25 mm; and after the barrel 20 is machined, polishing the barrel by using a sand belt mill, wherein the precision is more than 6.3 delta.
5. The method for turning the mixing rolling ring in the sintering system on line according to claim 1, wherein the drum transmission device in the fifth step comprises a speed regulating motor, a speed reducer, a belt and a drum; the speed regulating motor is in transmission connection with the speed reducer; the speed reducer is in transmission connection with the cylinder body through a belt by the roller; the drum is driven to rotate by the drum transmission device and is driven to rotate by the belt, so that the rotating speed of the drum is adjusted to 3-6 revolutions per minute; the single side of the cutting depth is 2.5mm, the feed amount is 0.25mm, and the cutting linear speed is 30-80 m/min; the 2.5 degree angle of the side surface of the rolling ring is cut by an index plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065560.4A CN110744072A (en) | 2019-11-04 | 2019-11-04 | Online turning method for mixing rolling ring in sintering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065560.4A CN110744072A (en) | 2019-11-04 | 2019-11-04 | Online turning method for mixing rolling ring in sintering system |
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| CN110744072A true CN110744072A (en) | 2020-02-04 |
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| CN201911065560.4A Pending CN110744072A (en) | 2019-11-04 | 2019-11-04 | Online turning method for mixing rolling ring in sintering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115740933A (en) * | 2022-11-25 | 2023-03-07 | 青岛瑞莱斯机械有限公司 | Multi-directional rotary welding auxiliary equipment |
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| US5657526A (en) * | 1995-12-15 | 1997-08-19 | Yatcko; Michael J. | Split riding ring for rotary cylinders |
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| CN104889662A (en) * | 2015-06-12 | 2015-09-09 | 南车青岛四方机车车辆股份有限公司 | Rolling type welding position shifting device and rolling type side beam welding position shifting device |
| CN105382494A (en) * | 2015-12-02 | 2016-03-09 | 西安航天动力机械厂 | Method for machining rotary cylinder in calcining furnace |
| CN106271366A (en) * | 2016-08-29 | 2017-01-04 | 衢州元立金属制品有限公司 | The restorative procedure of sintering stirring hopper backing ring |
| CN106975778A (en) * | 2017-06-06 | 2017-07-25 | 唐山市丰南区辉瑞机械制造有限公司 | The live milling attachment and its method for milling of sintering mixer backing ring |
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2019
- 2019-11-04 CN CN201911065560.4A patent/CN110744072A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2538727A1 (en) * | 1982-12-29 | 1984-07-06 | Dufieux R | Machining unit for performing machining operations on workpieces of cylindrical or conical shape. |
| US5657526A (en) * | 1995-12-15 | 1997-08-19 | Yatcko; Michael J. | Split riding ring for rotary cylinders |
| CN101745783A (en) * | 2009-12-14 | 2010-06-23 | 成都天保重型装备股份有限公司 | Manufacturing technology of furnace body of calcining furnace |
| CN104493199A (en) * | 2014-11-20 | 2015-04-08 | 唐山三友化工股份有限公司 | On-site turning device and method of steam calciner rolling ring |
| CN104889662A (en) * | 2015-06-12 | 2015-09-09 | 南车青岛四方机车车辆股份有限公司 | Rolling type welding position shifting device and rolling type side beam welding position shifting device |
| CN105382494A (en) * | 2015-12-02 | 2016-03-09 | 西安航天动力机械厂 | Method for machining rotary cylinder in calcining furnace |
| CN106271366A (en) * | 2016-08-29 | 2017-01-04 | 衢州元立金属制品有限公司 | The restorative procedure of sintering stirring hopper backing ring |
| CN106975778A (en) * | 2017-06-06 | 2017-07-25 | 唐山市丰南区辉瑞机械制造有限公司 | The live milling attachment and its method for milling of sintering mixer backing ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115740933A (en) * | 2022-11-25 | 2023-03-07 | 青岛瑞莱斯机械有限公司 | Multi-directional rotary welding auxiliary equipment |
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