CN105312785A - Welding technology for roller of belt conveyer - Google Patents
Welding technology for roller of belt conveyer Download PDFInfo
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- CN105312785A CN105312785A CN201410317719.8A CN201410317719A CN105312785A CN 105312785 A CN105312785 A CN 105312785A CN 201410317719 A CN201410317719 A CN 201410317719A CN 105312785 A CN105312785 A CN 105312785A
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Abstract
The invention discloses a welding technology for a roller of a belt conveyer. The welding technology includes the technological steps that 1, blanking, edge rolling and circumferential groove welding are carried out, and a roller skin workblank is formed; 2, double-face welding grooves are milled; 3, gaskets are welded to the end faces in a spotting mode; 4, a receiving disc is arranged; 5, a welded joint is filled with welding wires for submerged-arc welding, the butt joint points of the adjacent welding wires for submerged-arc welding are firmly spotted, and the gaskets are removed; 6, spot welding is carried out on another receiving disc, and a roller body workblank is formed; 7, the roller body workblank is placed on a roller frame, and the position of an inner-ring weld joint is preheated; 8, backing welding is carried out; 9, the roller body workblank is placed on a rounding lathe to be subjected to back chipping; 10, the roller body workblank is placed on the roller frame again, and an outer-ring weld joint of the roller body workblank is preheated; 11, filling welding is carried out on the outer-ring weld joint of the roller body workblank through submerged-arc welding; 12, heat is preserved after welding; 13, UT flaw detection is carried out. The welding technology for the roller of the belt conveyer is simple, welding defects can be avoided during roller welding, welding stability is guaranteed, and the welded roller is high in strength and good in rigidity.
Description
Technical field
The invention belongs to ribbon conveyer manufacturing technology field, relate in particular to a kind of belt conveyor ' s pulley welding procedure.
Background technology
Cylindrical shell is a kind of conventional machinery part of ribbon conveyer, it is a kind of driving parts, rotate by the power of drive unit transmission in running, driving roller shaft in two orthogonal planes, namely in perpendicular and horizontal plane simultaneously by bending with the combined deformation reversed.As the critical component of ribbon conveyer, the security of driving drum cylindrical shell is directly connected to the safe operation of whole piece conveyer, and therefore, how ensureing that the safe handling of cylinder can reduce again production cost is that the long-term striving direction of enterprise manufactured by ribbon conveyer.
Although overall cylindrical shell intensity is high, good rigidly, but manufacturing process complexity even can not realize, therefore, the mode of Plate Welding is usually adopted in industry, thus simplify manufacturing process, greatly reduce production cost, but immature due to welding procedure, usually occur that the phenomenon that weld defect and stress are concentrated appears in welding cylindrical shell, the stability of welding performance is bad.
Summary of the invention
The object of the present invention is to provide a kind of belt conveyor ' s pulley welding procedure, be intended to avoid occurring weld defect, ensure the stability of welding.
To achieve these goals, technical scheme of the present invention is:
A kind of belt conveyor ' s pulley welding procedure, the processing step of this welding procedure is:
1), cylinder skin presses drawing measure, rolls up circle, welds successively bevel for welding in cylinder skin longitudinal interface, external welding groove, campus after polishing, forms cylinder fur base;
2), at cylinder fur Pi Liang garden peripheral end portion milling two-sided welding groove, this bevel for welding is X-type bevel for welding;
3), by cylinder fur base stand upside down, connect Pan Pokouchu point welding pad at cylinder fur base end face, the thickness of described pad is 3 ~ 4 ㎜, and described pad minimum number is four, circumferentially uniform at cylinder fur base end face, is symmetrical arranged;
4), at cylinder fur base end face place and connect dish, adjustment center, make to connect dish and be consistent with cylinder fur base center;
5), be 4mm with 8-10 section diameter, length is 40mm, and material is that the welding wire for submerged-arc welding of H08MnA is along the circumferential direction evenly filled out in weld seam, the docking point of adjacent welding wire for submerged-arc welding is spot welding position, is heated to be not less than 100 DEG C, welding by spot welding position flame, by welding wire point jail, remove pad;
6), repeat above-mentioned steps 3,4,5, cylinder fur base other end spot welding another connect dish, polishing welding slag, forms cylindrical shell blank;
7), the cylindrical shell blank after means of spot welds dish is put on turning rolls, cylindrical shell blank is rotated on turning rolls, heat facing to cylindrical shell blank inner ring position while welding by two grilled gun symmetries, the flame deflection of a grilled gun connects dish side, the flame deflection cylindrical shell blank of another grilled gun, heat 10 ~ 15 minutes, preheat temperature is not less than 120 DEG C;
8) CO2 gas shielded arc welding short circuiting arc welding mode, is adopted to carry out backing welding to girth joint in cylindrical shell blank inner chamber;
9), be put on round car by the cylindrical shell blank after backing welding, tight with Double Tops pinnacle, use the outside groove of molding cutter butt welded seam to carry out back chipping, manual polishing, cleaning, spray colouration agent, developer, carry out PT detection;
10), colouring agent, developer is cleared up, by heavy for cylindrical shell blank upper roller frame, cylindrical shell blank is rotated on turning rolls, by two grilled gun symmetries facing to the preheating of cylindrical shell blank outer ring weld, the flame deflection foundry goods side of a grilled gun, the flame deflection cylindrical shell blank side of another grilled gun, heat after 10 ~ 15 minutes, preheat temperature is not less than 120 DEG C;
11) submerged-arc welding, is adopted to carry out filling weldering to the outer circumferential weld of cylindrical shell blank;
12), fill in weldering process, clear up between every layer of weld seam, adopt last one deck weld seam of submerged arc welding cylindrical shell blank outer ring weld;
13), weld complete, be incubated by heat-preservation cotton;
14), after 48 hours, UT flaw detection is carried out;
15), stress-relieving by beat treatment, carry out secondary UT flaw detection.
Compared to the prior art, the invention has the beneficial effects as follows:
Belt conveyor ' s pulley welding procedure of the present invention is simple, can avoid occurring weld defect during barrel soldering, ensures the stability of welding.Intensity after barrel soldering is high, good rigidly.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1:
1), cylinder skin presses drawing measure, rolls up circle, welds successively bevel for welding in cylinder skin longitudinal interface, external welding groove, campus after polishing, forms cylinder fur base;
2), at cylinder fur Pi Liang garden peripheral end portion milling two-sided welding groove, this bevel for welding is X-type bevel for welding;
3), by cylinder fur base stand upside down, connect Pan Pokouchu point welding pad at cylinder fur base end face, the thickness of described pad is 3 ㎜, and described pad quantity is four, circumferentially uniform at cylinder fur base end face, is symmetrical arranged;
4), at cylinder fur base end face place and connect dish, adjustment center, make to connect dish and be consistent with cylinder fur base center;
5), be 4mm with 8 sections of diameters, length is 40mm, and material is that the welding wire for submerged-arc welding of H08MnA is along the circumferential direction evenly filled out in weld seam, the docking point of adjacent welding wire for submerged-arc welding is spot welding position, spot welding position flame is heated to 100 DEG C, welding, by welding wire point jail, remove pad;
6), repeat above-mentioned steps 3,4,5, cylinder fur base other end spot welding another connect dish, polishing welding slag, forms cylindrical shell blank;
7), the cylindrical shell blank after means of spot welds dish is put on turning rolls, cylindrical shell blank is rotated on turning rolls, heat facing to cylindrical shell blank inner ring position while welding by two grilled gun symmetries, the flame deflection of a grilled gun connects dish side, the flame deflection cylindrical shell blank of another grilled gun, heat 10 minutes, preheat temperature is 120 DEG C;
8) CO2 gas shielded arc welding short circuiting arc welding mode, is adopted to carry out backing welding to girth joint in cylindrical shell blank inner chamber;
9), be put on round car by the cylindrical shell blank after backing welding, tight with Double Tops pinnacle, use the outside groove of molding cutter butt welded seam to carry out back chipping, manual polishing, cleaning, spray colouration agent, developer, carry out PT detection;
10), colouring agent, developer is cleared up, by heavy for cylindrical shell blank upper roller frame, cylindrical shell blank is rotated on turning rolls, by two grilled gun symmetries facing to the preheating of cylindrical shell blank outer ring weld, the flame deflection foundry goods side of a grilled gun, the flame deflection cylindrical shell blank side of another grilled gun, heat after 10 minutes, preheat temperature is 120 DEG C;
11) submerged-arc welding, is adopted to carry out filling weldering to the outer circumferential weld of cylindrical shell blank;
12), fill in weldering process, clear up between every layer of weld seam, adopt last one deck weld seam of submerged arc welding cylindrical shell blank outer ring weld;
13), weld complete, be incubated by heat-preservation cotton;
14), after 48 hours, UT flaw detection is carried out;
15), stress-relieving by beat treatment, carry out secondary UT flaw detection.
Embodiment 2:
1), cylinder skin presses drawing measure, rolls up circle, welds successively bevel for welding in cylinder skin longitudinal interface, external welding groove, campus after polishing, forms cylinder fur base;
2), at cylinder fur Pi Liang garden peripheral end portion milling two-sided welding groove, this bevel for welding is X-type bevel for welding;
3), by cylinder fur base stand upside down, connect Pan Pokouchu point welding pad at cylinder fur base end face, the thickness of described pad is 4 ㎜, and described pad quantity is four, circumferentially uniform at cylinder fur base end face, is symmetrical arranged;
4), at cylinder fur base end face place and connect dish, adjustment center, make to connect dish and be consistent with cylinder fur base center;
5), be 4mm with 9 sections of diameters, length is 40mm, and material is that the welding wire for submerged-arc welding of H08MnA is along the circumferential direction evenly filled out in weld seam, the docking point of adjacent welding wire for submerged-arc welding is spot welding position, spot welding position flame is heated to 110 DEG C, welding, by welding wire point jail, remove pad;
6), repeat above-mentioned steps 3,4,5, cylinder fur base other end spot welding another connect dish, polishing welding slag, forms cylindrical shell blank;
7), the cylindrical shell blank after means of spot welds dish is put on turning rolls, cylindrical shell blank is rotated on turning rolls, heat facing to cylindrical shell blank inner ring position while welding by two grilled gun symmetries, the flame deflection of a grilled gun connects dish side, the flame deflection cylindrical shell blank of another grilled gun, heat 12 minutes, preheat temperature is 130 DEG C;
8) CO2 gas shielded arc welding short circuiting arc welding mode, is adopted to carry out backing welding to girth joint in cylindrical shell blank inner chamber;
9), be put on round car by the cylindrical shell blank after backing welding, tight with Double Tops pinnacle, use the outside groove of molding cutter butt welded seam to carry out back chipping, manual polishing, cleaning, spray colouration agent, developer, carry out PT detection;
10), colouring agent, developer is cleared up, by heavy for cylindrical shell blank upper roller frame, cylindrical shell blank is rotated on turning rolls, by two grilled gun symmetries facing to the preheating of cylindrical shell blank outer ring weld, the flame deflection foundry goods side of a grilled gun, the flame deflection cylindrical shell blank side of another grilled gun, heat after 12 minutes, preheat temperature is 130 DEG C;
11) submerged-arc welding, is adopted to carry out filling weldering to the outer circumferential weld of cylindrical shell blank;
12), fill in weldering process, clear up between every layer of weld seam, adopt last one deck weld seam of submerged arc welding cylindrical shell blank outer ring weld;
13), weld complete, be incubated by heat-preservation cotton;
14), after 48 hours, UT flaw detection is carried out;
15), stress-relieving by beat treatment, carry out secondary UT flaw detection.
Embodiment 3:
1), cylinder skin presses drawing measure, rolls up circle, welds successively bevel for welding in cylinder skin longitudinal interface, external welding groove, campus after polishing, forms cylinder fur base;
2), at cylinder fur Pi Liang garden peripheral end portion milling two-sided welding groove, this bevel for welding is X-type bevel for welding;
3), by cylinder fur base stand upside down, connect Pan Pokouchu point welding pad at cylinder fur base end face, the thickness of described pad is 3.5 ㎜, and described pad minimum number is four, circumferentially uniform at cylinder fur base end face, is symmetrical arranged;
4), at cylinder fur base end face place and connect dish, adjustment center, make to connect dish and be consistent with cylinder fur base center;
5), be 4mm with 10 sections of diameters, length is 40mm, and material is that the welding wire for submerged-arc welding of H08MnA is along the circumferential direction evenly filled out in weld seam, the docking point of adjacent welding wire for submerged-arc welding is spot welding position, spot welding position flame is heated to 120 DEG C, welding, by welding wire point jail, remove pad;
6), repeat above-mentioned steps 3,4,5, cylinder fur base other end spot welding another connect dish, polishing welding slag, forms cylindrical shell blank;
7), the cylindrical shell blank after means of spot welds dish is put on turning rolls, cylindrical shell blank is rotated on turning rolls, heat facing to cylindrical shell blank inner ring position while welding by two grilled gun symmetries, the flame deflection of a grilled gun connects dish side, the flame deflection cylindrical shell blank of another grilled gun, heat 15 minutes, preheat temperature is 140 DEG C;
8) CO2 gas shielded arc welding short circuiting arc welding mode, is adopted to carry out backing welding to girth joint in cylindrical shell blank inner chamber;
9), be put on round car by the cylindrical shell blank after backing welding, tight with Double Tops pinnacle, use the outside groove of molding cutter butt welded seam to carry out back chipping, manual polishing, cleaning, spray colouration agent, developer, carry out PT detection;
10), colouring agent, developer is cleared up, by heavy for cylindrical shell blank upper roller frame, cylindrical shell blank is rotated on turning rolls, by two grilled gun symmetries facing to the preheating of cylindrical shell blank outer ring weld, the flame deflection foundry goods side of a grilled gun, the flame deflection cylindrical shell blank side of another grilled gun, heat after 15 minutes, preheat temperature is 140 DEG C;
11) submerged-arc welding, is adopted to carry out filling weldering to the outer circumferential weld of cylindrical shell blank;
12), fill in weldering process, clear up between every layer of weld seam, adopt last one deck weld seam of submerged arc welding cylindrical shell blank outer ring weld;
13), weld complete, be incubated by heat-preservation cotton;
14), after 48 hours, UT flaw detection is carried out;
15), stress-relieving by beat treatment, carry out secondary UT flaw detection.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. a belt conveyor ' s pulley welding procedure, is characterized in that: the processing step of this welding procedure is:
1), cylinder skin presses drawing measure, rolls up circle, welds successively bevel for welding in cylinder skin longitudinal interface, external welding groove, campus after polishing, forms cylinder fur base;
2), at cylinder fur Pi Liang garden peripheral end portion milling two-sided welding groove, this bevel for welding is X-type bevel for welding;
3), by cylinder fur base stand upside down, connect Pan Pokouchu point welding pad at cylinder fur base end face, the thickness of described pad is 3 ~ 4 ㎜, and described pad minimum number is four, circumferentially uniform at cylinder fur base end face, is symmetrical arranged;
4), at cylinder fur base end face place and connect dish, adjustment center, make to connect dish and be consistent with cylinder fur base center;
5), be 4mm with 8-10 section diameter, length is 40mm, and material is that the welding wire for submerged-arc welding of H08MnA is along the circumferential direction evenly filled out in weld seam, the docking point of adjacent welding wire for submerged-arc welding is spot welding position, is heated to be not less than 100 DEG C, welding by spot welding position flame, by welding wire point jail, remove pad;
6), repeat above-mentioned steps 3,4,5, cylinder fur base other end spot welding another connect dish, polishing welding slag, forms cylindrical shell blank;
7), the cylindrical shell blank after means of spot welds dish is put on turning rolls, cylindrical shell blank is rotated on turning rolls, heat facing to cylindrical shell blank inner ring position while welding by two grilled gun symmetries, the flame deflection of a grilled gun connects dish side, the flame deflection cylindrical shell blank of another grilled gun, heat 10 ~ 15 minutes, preheat temperature is not less than 120 DEG C;
8) CO2 gas shielded arc welding short circuiting arc welding mode, is adopted to carry out backing welding to girth joint in cylindrical shell blank inner chamber;
9), be put on round car by the cylindrical shell blank after backing welding, tight with Double Tops pinnacle, use the outside groove of molding cutter butt welded seam to carry out back chipping, manual polishing, cleaning, spray colouration agent, developer, carry out PT detection;
10), colouring agent, developer is cleared up, by heavy for cylindrical shell blank upper roller frame, cylindrical shell blank is rotated on turning rolls, by two grilled gun symmetries facing to the preheating of cylindrical shell blank outer ring weld, the flame deflection foundry goods side of a grilled gun, the flame deflection cylindrical shell blank side of another grilled gun, heat after 10 ~ 15 minutes, preheat temperature is not less than 120 DEG C;
11) submerged-arc welding, is adopted to carry out filling weldering to the outer circumferential weld of cylindrical shell blank;
12), fill in weldering process, clear up between every layer of weld seam, adopt last one deck weld seam of submerged arc welding cylindrical shell blank outer ring weld;
13), weld complete, be incubated by heat-preservation cotton;
14), after 48 hours, UT flaw detection is carried out;
15), stress-relieving by beat treatment, carry out secondary UT flaw detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317719.8A CN105312785A (en) | 2014-07-07 | 2014-07-07 | Welding technology for roller of belt conveyer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317719.8A CN105312785A (en) | 2014-07-07 | 2014-07-07 | Welding technology for roller of belt conveyer |
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| CN105312785A true CN105312785A (en) | 2016-02-10 |
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| CN201410317719.8A Pending CN105312785A (en) | 2014-07-07 | 2014-07-07 | Welding technology for roller of belt conveyer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514168A (en) * | 2016-12-23 | 2017-03-22 | 安徽泰富重工制造有限公司 | Machining method for transmission drum of belt conveyor |
| CN108188550A (en) * | 2018-02-09 | 2018-06-22 | 浙江同力重型机械制造有限公司 | A kind of large-size cylinder body welding procedure |
| CN108723557A (en) * | 2018-05-25 | 2018-11-02 | 蓬莱大金海洋重工有限公司 | A kind of welding method of cylinder |
| CN110421238A (en) * | 2019-02-11 | 2019-11-08 | 上海振华重工集团(南通)传动机械有限公司 | A kind of welding procedure of high intensity cylinder butt welding |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033392Y (en) * | 2007-04-11 | 2008-03-12 | 河南天隆输送装备有限公司 | Automatization tumbling cylinder disk-connecting welding unit |
| CN102513646A (en) * | 2011-12-28 | 2012-06-27 | 天津三岛输送机械有限公司 | Method for welding rollers |
-
2014
- 2014-07-07 CN CN201410317719.8A patent/CN105312785A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033392Y (en) * | 2007-04-11 | 2008-03-12 | 河南天隆输送装备有限公司 | Automatization tumbling cylinder disk-connecting welding unit |
| CN102513646A (en) * | 2011-12-28 | 2012-06-27 | 天津三岛输送机械有限公司 | Method for welding rollers |
Non-Patent Citations (3)
| Title |
|---|
| 孙占峰: "带式输送机滚筒焊接工艺的改进", 《河北煤炭》 * |
| 李增林: "皮带机铸焊结构滚筒断裂原因及制作改进工艺", 《港口科技》 * |
| 毛淑芳: "带式输送机铸焊结构滚筒制作工艺新探", 《矿山机械》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514168A (en) * | 2016-12-23 | 2017-03-22 | 安徽泰富重工制造有限公司 | Machining method for transmission drum of belt conveyor |
| CN108188550A (en) * | 2018-02-09 | 2018-06-22 | 浙江同力重型机械制造有限公司 | A kind of large-size cylinder body welding procedure |
| CN108723557A (en) * | 2018-05-25 | 2018-11-02 | 蓬莱大金海洋重工有限公司 | A kind of welding method of cylinder |
| CN110421238A (en) * | 2019-02-11 | 2019-11-08 | 上海振华重工集团(南通)传动机械有限公司 | A kind of welding procedure of high intensity cylinder butt welding |
| CN110421238B (en) * | 2019-02-11 | 2021-07-30 | 上海振华重工集团(南通)传动机械有限公司 | Welding process for butt welding of high-strength barrel |
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Application publication date: 20160210 |