CN111438469A - Welding device for inner welding seam of roller - Google Patents
Welding device for inner welding seam of roller Download PDFInfo
- Publication number
- CN111438469A CN111438469A CN202010404029.1A CN202010404029A CN111438469A CN 111438469 A CN111438469 A CN 111438469A CN 202010404029 A CN202010404029 A CN 202010404029A CN 111438469 A CN111438469 A CN 111438469A
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- column
- fixed
- cylinder
- fixing cylinder
- adjusting
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- 238000003466 welding Methods 0.000 title claims abstract description 71
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0276—Carriages for supporting the welding or cutting element for working on or in tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention belongs to the field of welding of roller welding seams, and particularly relates to a welding device for a roller inner welding seam. The rotary drum is fixed in the positioning sleeve through the bearing and coaxial with the rotary disc, a fixed plate is installed in the rotary drum, a support is installed on the fixed plate, an adjusting device is installed on the support and comprises a first adjusting column, a second adjusting column, a first fixed cylinder, a second fixed cylinder, a third fixed cylinder and a fourth fixed cylinder, the first fixed cylinder is installed on the support, the second adjusting column is fixed in the fourth fixed cylinder, a connecting column is fixed at the bottom of the second adjusting column, a fixed column is vertically connected with the other end of the connecting column, and the welding gun is fixed on the fixed column and is of a detachable structure. The invention has reasonable structure, strong function and convenient operation, and is suitable for popularization and application.
Description
Technical Field
The invention belongs to the field of welding of roller welding seams, and particularly relates to a welding device for a roller inner welding seam.
Background
In the welding work, when a roller with a gap is frequently encountered, in order to ensure the quality of the roller, a welding seam in the roller needs to be welded, and the operation has the defects that the diameter of the roller is small, an operator cannot easily enter the roller to weld, and the arm of the operator cannot be operated due to insufficient length when the roller is deep, so that the welding operation is difficult to perform or even impossible.
Therefore, it is necessary to solve the above problems.
Disclosure of Invention
Aiming at the problems, the invention provides a welding device for welding a welding seam in a roller, which solves the problem that the welding seam in the roller is difficult to weld in the prior art and is convenient to operate, and adopts the following technical scheme:
a welding device for welding seams in a roller comprises a rotary table, a bearing, a rotary drum and a welding gun, wherein a positioning sleeve is arranged at the middle position of the rotary table, the rotary drum is fixed in the positioning sleeve through the bearing and is coaxial with the rotary table, a fixed plate is installed in the rotary drum, a support is installed on the fixed plate, an adjusting device is installed on the support and comprises a first adjusting column, a second adjusting column, a first fixed cylinder, a second fixed cylinder, a third fixed cylinder and a fourth fixed cylinder, the second fixed cylinder and the third fixed cylinder are respectively installed on the first adjusting column and are matched with the first adjusting column, the first fixed cylinder and the second fixed cylinder are vertically connected through a side wall, the third fixed cylinder and the fourth fixed cylinder are vertically connected through a side wall, the first fixed cylinder is installed on the support, the second adjusting column is fixed in the fourth fixed cylinder, a connecting column is fixed at the bottom of the second adjusting column, the other end of the connecting column is vertically connected with a fixing column, and the welding gun is fixed on the fixing column and is of a detachable structure.
Furthermore, the first adjusting column is provided with a tooth, the second fixed cylinder and the third fixed cylinder are respectively provided with a first rotating column and a second rotating column which are meshed with the tooth on the first adjusting column, and the positions of the second fixed cylinder and the third fixed cylinder on the first adjusting column can be respectively adjusted by rotating the first rotating column and the second rotating column.
Furthermore, the second adjusting column is provided with a tooth, the fourth fixing cylinder is provided with a third rotating column meshed with the tooth on the second adjusting column, and the position of the fourth fixing cylinder on the second adjusting column can be adjusted by rotating the third rotating column.
Further, welder includes the barrel, the barrel lateral wall is provided with convex slider, the tip of fixed column is provided with the fixed block of taking the spout, the slider is fixed in the spout and is connected with spout sliding connection, the reference column is installed to the fixed block lateral wall, can fix the slider in the spout of fixed block.
Further, the first fixed cylinder, the second fixed cylinder, the third fixed cylinder and the fourth fixed cylinder are provided with notches, the cross sections of the first fixed cylinder, the second fixed cylinder, the third fixed cylinder and the fourth fixed cylinder are C-shaped, and connecting plates are arranged on two sides of the notches and fixedly connected through bolts.
Furthermore, a mounting groove is formed in the rotary table, a screw hole is formed in the mounting groove, a magnet is arranged in the mounting groove, the magnet is fixed in the mounting groove in a matched mode through a bolt and the screw hole, and the rotary table is fixedly connected with the side wall of the roller through the magnet.
Preferably, the number of the mounting grooves is at least two, and the mounting grooves are uniformly distributed on the rotating disc.
Preferably, at least two screw holes are arranged in the mounting groove.
Preferably, the bearing is a needle bearing.
Preferably, a handle is arranged on one side of the turntable, which is far away from the roller.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a turntable which can be fixed on the roller and a rotating drum which can be fixed relative to the turntable, the rotating drum is provided with a welding gun through an adjusting device, the welding gun can be adjusted to move along the axial direction or the radial direction of the roller through the adjusting device, and the welding operation can be carried out after the position of the welding gun is adjusted, the operation can be carried out in the roller with smaller diameter or larger depth, and the invention is not influenced by the size and the depth of the roller and has flexible use.
2. According to the invention, the welding gun is detachably connected with the adjusting part, so that the welding gun is convenient to clean or replace, the use cost is reduced, and the welding gun has great economic benefits.
3. According to the invention, the turntable is bonded on one side of the roller through the magnet, the handle is also arranged in a matching manner, so that the mounting and dismounting are very convenient, the production efficiency is improved, the mounting groove for fixing the magnet is arranged, the turntable can be matched with different types of rollers, and the application scenes of the invention are greatly widened.
In conclusion, the welding device is reasonable in structure, powerful in function, convenient to operate and suitable for popularization and application.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is another schematic overall structure of the present invention;
FIG. 3 is an enlarged schematic view of structure A of FIG. 2;
FIG. 4 is a schematic view of a partial structure of the present invention;
FIG. 5 is a schematic structural view of a use state of the present invention;
FIG. 6 is a schematic side view of the present invention;
FIG. 7 is a schematic cross-sectional view of a portion of the present invention;
in the figure, 1 is a rotary table, 2 is a bearing, 3 is a rotary drum, 4 is a welding gun, 5 is a positioning sleeve, 6 is a fixing plate, 7 is a support, 8 is a first adjusting column, 9 is a second adjusting column, 10 is a first fixing cylinder, 11 is a second fixing cylinder, 12 is a third fixing cylinder, 13 is a fourth fixing cylinder, 15 is a connecting column, 16 is a fixing column, 17 is a first rotary column, 18 is a second rotary column, 19 is a third rotary column, 20 is a sliding block, 21 is a fixing block, 22 is a mounting groove, 23 is a magnet, and 24 is a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the invention provides a welding device for inner weld of a roller, which includes a turntable 1, a bearing 2, a rotating drum 3 and a welding gun 4, wherein a positioning sleeve 5 is arranged at the middle position of the turntable 1, the rotating drum 3 is fixed in the positioning sleeve 5 through the bearing 2 and is coaxial with the turntable 1, in the embodiment, the bearing 2 uses a needle bearing, a fixing plate 6 is installed in the rotating drum 3, a support 7 is installed on the fixing plate 6, an adjusting device is installed on the support 7, the welding gun 4 is detachably installed at the tail end of the adjusting device, an installation groove 22 is formed in one side of the turntable 1 close to the roller, a magnet 23 is fixed in the installation groove, and a handle 24 is fixed on one side of the turntable 1 far from.
Through the arrangement, when the rotary welding machine is used, the rotary table 1 and the roller sucker are fixedly attracted through the magnet 23, the position of the welding gun 4 is adjusted through the adjusting device, the welding gun 4 corresponds to the position of a welding seam, and the rotary drum 3 can not rotate relatively when the roller rotates, so that the welding operation is convenient. The device can be used for welding the welding line of the roller with smaller diameter and larger depth.
The adjusting device comprises a first adjusting column 8, a second adjusting column 9, a first fixed cylinder 10, a second fixed cylinder 11, a third fixed cylinder 12 and a fourth fixed cylinder 13, wherein the second fixed cylinder 11 and the third fixed cylinder 12 are respectively installed on the first adjusting column 8 and are matched with the first adjusting column 8, the first adjusting column 8 is provided with a tooth, the second fixed cylinder 11 and the third fixed cylinder 12 are respectively provided with a first rotating column 17 and a second rotating column 18 which are meshed with the tooth on the first adjusting column 8, and the positions of the second fixed cylinder 10 and the third fixed cylinder 11 on the first adjusting column 8 can be respectively adjusted by rotating the first rotating column 17 and the second rotating column 18.
The first fixed cylinder 10 is vertically connected with the second fixed cylinder 11 through a side wall, the third fixed cylinder 12 is vertically connected with the fourth fixed cylinder 13 through a side wall, the first fixed cylinder 10 is installed on the support 7, the second adjusting column 9 is fixed in the fourth fixed cylinder 13, the second adjusting column 9 is provided with a tooth, the fourth fixed cylinder 13 is provided with a third rotating column 19 meshed with the tooth on the second adjusting column 9, and the position of the fourth fixed cylinder 13 on the second adjusting column 9 can be adjusted by rotating the third rotating column 19.
The bottom of the second adjusting column 9 is fixed with a connecting column 15, the other end of the connecting column 15 is vertically connected with a fixing column 16, the welding gun 4 is fixed on the fixing column 16 and is of a detachable structure, the position of the welding gun 4 can be adjusted through the setting, the welding gun 4 can move axially or radially along the roller, after the position of the welding gun is adjusted properly, welding operation can be carried out, the welding gun 4 comprises a gun barrel, the side wall of the gun barrel is provided with a convex sliding block 20, the end portion of the fixing column 16 is provided with a fixing block 21 with a sliding groove, the sliding block 20 is fixed in the sliding groove and is in sliding connection with the sliding groove, the side wall of the fixing block 21 is provided with a positioning column 22.
The first fixed cylinder 10, the second fixed cylinder 11, the third fixed cylinder 12 and the fourth fixed cylinder 13 are all provided with notches, the cross sections of the notches are C-shaped, and the two sides of each notch are provided with connecting plates which are fixedly connected through bolts.
Preferably, the mounting groove 22 has been seted up on the carousel 1, seted up the screw in the mounting groove 22, be provided with magnet 23 in the mounting groove 22, magnet 23 passes through the bolt and fixes in mounting groove 22 with the screw cooperation, carousel 1 passes through the lateral wall fixed connection of magnet 22 with the cylinder, wherein, mounting groove 22 sets up two at least, and evenly distributed is on carousel 1, and the screw in every mounting groove 22 sets up two at least. The position of magnet 23 is convenient for adjust to adapt to different application scenarios, in this embodiment, mounting groove 22 and magnet 23 all are provided with four, make the structure of this device more stable.
The invention is provided with a rotary table 1 which can be fixed on a roller and a rotary drum which can be fixed relative to the rotary table 1, the rotary drum is provided with a welding gun 4 through an adjusting device, the welding gun 4 can be adjusted to move along the axial direction or the radial direction of the roller through the adjusting device, and the welding operation can be carried out after the position of the welding gun 4 is adjusted, the operation can be carried out in the roller with smaller diameter or larger depth without being influenced by the size and the depth of the roller, the use is flexible, and meanwhile, in the welding device, the welding gun 4 is detachably connected with the adjusting device, so that the cleaning or the replacement operation of. The welding device has the advantages of reasonable structure, strong function, convenient operation and suitability for popularization and application.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (10)
1. The utility model provides a welding seam welding set in cylinder which characterized in that: the welding device comprises a rotary table (1), a bearing (2), a rotary drum (3) and a welding gun (4), wherein a positioning sleeve (5) is arranged at the middle position of the rotary table (1), the rotary drum (3) is fixed in the positioning sleeve (5) through the bearing (2) and is coaxial with the rotary table (1), a fixing plate (6) is installed in the rotary drum (3), a support (7) is installed on the fixing plate (6), an adjusting device is installed on the support (7), the adjusting device comprises a first adjusting column (8), a second adjusting column (9), a first fixing cylinder (10), a second fixing cylinder (11), a third fixing cylinder (12) and a fourth fixing cylinder (13), the second fixing cylinder (11) and the third fixing cylinder (12) are respectively installed on the first adjusting column (8) and are matched with the first adjusting column (8), and the first fixing cylinder (10) and the second fixing cylinder (11) are vertically connected through side walls, the third fixing cylinder (12) is vertically connected with the fourth fixing cylinder (13) through a side wall, the first fixing cylinder (10) is installed on the support (7), the second adjusting column (9) is fixed in the fourth fixing cylinder (13), the bottom of the second adjusting column (9) is fixed with a connecting column (15), the other end of the connecting column (15) is vertically connected with a fixing column (16), and the welding gun (4) is fixed on the fixing column (16) and is of a detachable structure.
2. The in-drum weld welding apparatus according to claim 1, characterized in that: the tooth-biting mechanism is characterized in that a tooth-biting is arranged on the first adjusting column (8), a first rotary column (17) and a second rotary column (18) which are meshed with the tooth-biting on the first adjusting column (8) are respectively arranged on the second fixed cylinder (11) and the third fixed cylinder (12), and the positions of the second fixed cylinder (10) and the third fixed cylinder (11) on the first adjusting column (8) can be respectively adjusted by rotating the first rotary column (17) and the second rotary column (18).
3. The in-drum weld welding apparatus according to claim 1, characterized in that: the second adjusting column (9) is provided with teeth, the fourth fixing cylinder (13) is provided with a third rotating column (19) meshed with the teeth on the second adjusting column (9), and the position of the fourth fixing cylinder (13) on the second adjusting column (9) can be adjusted by rotating the third rotating column (19).
4. The in-drum weld welding apparatus according to claim 1, characterized in that: the welding gun (4) comprises a gun barrel, a convex sliding block (20) is arranged on the side wall of the gun barrel, a fixed block (21) with a sliding groove is arranged at the end part of the fixed column (16), the sliding block (20) is fixed in the sliding groove and is in sliding connection with the sliding groove, a positioning column (25) is arranged on the side wall of the fixed block (21), and the sliding block (20) can be fixed in the sliding groove of the fixed block (21).
5. The in-drum weld welding apparatus according to claim 1, characterized in that: the first fixing cylinder (10), the second fixing cylinder (11), the third fixing cylinder (12) and the fourth fixing cylinder (13) are all provided with notches, the cross sections of the notches are C-shaped, and connecting plates are arranged on two sides of each notch and fixedly connected through bolts.
6. The in-drum weld welding apparatus according to claim 1, characterized in that: the rotary table is characterized in that a mounting groove (22) is formed in the rotary table (1), a screw hole is formed in the mounting groove (22), a magnet (23) is arranged in the mounting groove (22), the magnet (23) is fixed in the mounting groove (22) in a matched mode through a bolt and the screw hole, and the rotary table (1) is fixedly connected with the side wall of the roller through the magnet (22).
7. The in-drum weld welding apparatus according to claim 6, wherein: the mounting grooves (22) are at least two and are uniformly distributed on the turntable (1).
8. The in-drum weld welding apparatus according to claim 6, wherein: at least two screw holes are arranged in the mounting groove (22).
9. The in-drum weld welding apparatus according to claim 1, characterized in that: the bearing (2) is a needle bearing.
10. The in-drum weld welding apparatus according to claim 1, characterized in that: and a handle (24) is arranged on one side of the turntable (1) far away from the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404029.1A CN111438469A (en) | 2020-05-13 | 2020-05-13 | Welding device for inner welding seam of roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404029.1A CN111438469A (en) | 2020-05-13 | 2020-05-13 | Welding device for inner welding seam of roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111438469A true CN111438469A (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010404029.1A Pending CN111438469A (en) | 2020-05-13 | 2020-05-13 | Welding device for inner welding seam of roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111438469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475655A (en) * | 2023-06-01 | 2023-07-25 | 武义扬升机械设备有限公司 | Inner circle welding machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464867A (en) * | 2013-08-30 | 2013-12-25 | 中国海洋石油总公司 | Buildup welding device for tube-end inner walls of bimetal mechanical composite tubes |
| CN203738208U (en) * | 2014-01-26 | 2014-07-30 | 广东长征机械有限公司 | Automatic gas shield welding device for internal fillet weld joint of container |
| CN204248268U (en) * | 2014-10-29 | 2015-04-08 | 张家港市人和高精管有限公司 | A kind of steel pipe inner wall welding processing device |
| WO2016180329A1 (en) * | 2015-05-11 | 2016-11-17 | 高兴 | U-rib welding apparatus and adjustment mechanism thereof |
| CN206169521U (en) * | 2016-10-20 | 2017-05-17 | 青岛兰石重型机械设备有限公司 | Half automatic surfacing welding device of nozzle inner wall |
| CN109202215A (en) * | 2018-10-31 | 2019-01-15 | 中国冶集团有限公司 | Push pipe pipeline automatic welding connection device and welding method |
| CN109794706A (en) * | 2017-11-17 | 2019-05-24 | 石河子大学 | A kind of heavy type pressure container saddle shape weld seam welding robot |
| CN209157461U (en) * | 2018-11-20 | 2019-07-26 | 洛阳市科佳电气设备有限公司 | A kind of lathe weld seam device being conveniently adjusted |
| CN212420191U (en) * | 2020-05-13 | 2021-01-29 | 山西煤矿机械制造股份有限公司 | Welding device for inner welding seam of roller |
-
2020
- 2020-05-13 CN CN202010404029.1A patent/CN111438469A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464867A (en) * | 2013-08-30 | 2013-12-25 | 中国海洋石油总公司 | Buildup welding device for tube-end inner walls of bimetal mechanical composite tubes |
| CN203738208U (en) * | 2014-01-26 | 2014-07-30 | 广东长征机械有限公司 | Automatic gas shield welding device for internal fillet weld joint of container |
| CN204248268U (en) * | 2014-10-29 | 2015-04-08 | 张家港市人和高精管有限公司 | A kind of steel pipe inner wall welding processing device |
| WO2016180329A1 (en) * | 2015-05-11 | 2016-11-17 | 高兴 | U-rib welding apparatus and adjustment mechanism thereof |
| CN206169521U (en) * | 2016-10-20 | 2017-05-17 | 青岛兰石重型机械设备有限公司 | Half automatic surfacing welding device of nozzle inner wall |
| CN109794706A (en) * | 2017-11-17 | 2019-05-24 | 石河子大学 | A kind of heavy type pressure container saddle shape weld seam welding robot |
| CN109202215A (en) * | 2018-10-31 | 2019-01-15 | 中国冶集团有限公司 | Push pipe pipeline automatic welding connection device and welding method |
| CN209157461U (en) * | 2018-11-20 | 2019-07-26 | 洛阳市科佳电气设备有限公司 | A kind of lathe weld seam device being conveniently adjusted |
| CN212420191U (en) * | 2020-05-13 | 2021-01-29 | 山西煤矿机械制造股份有限公司 | Welding device for inner welding seam of roller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475655A (en) * | 2023-06-01 | 2023-07-25 | 武义扬升机械设备有限公司 | Inner circle welding machine |
| CN116475655B (en) * | 2023-06-01 | 2023-10-24 | 武义扬升机械设备有限公司 | Inner circle welding machine |
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