CN112743211B - Welding method and device for cross beam part and side plate assembly of diesel engine base - Google Patents
Welding method and device for cross beam part and side plate assembly of diesel engine base Download PDFInfo
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- CN112743211B CN112743211B CN201911035188.2A CN201911035188A CN112743211B CN 112743211 B CN112743211 B CN 112743211B CN 201911035188 A CN201911035188 A CN 201911035188A CN 112743211 B CN112743211 B CN 112743211B
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- welding
- side plate
- cross beam
- diesel engine
- engine base
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- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
Abstract
The invention discloses a welding method of a cross beam part and a side plate assembly of a diesel engine base; after spot welding of a cross beam and a side plate of a diesel engine base, the diesel engine base is placed in front of an upright post platform, the alignment of a neutral position of a cross beam part of the upright engine base and an upright post platform channel is ensured, an automatic welding trolley track is laid, parameters are adjusted, and an automatic welding machine trolley moves to the inside of the neutral position along the track to complete automatic welding. The automatic welding trolley can move into the cross beam of the diesel engine base to finish the linear automatic welding of the cross beam and the side plate; the beam and the side plate are welded quickly and automatically, and inconvenience of people entering the diesel engine base is avoided; the welding efficiency and the welding quality are improved.
Description
Technical Field
The invention relates to a welding method and a welding device, in particular to a welding method and a welding device for a cross beam part and a side plate assembly of a diesel engine base.
Background
The marine diesel engine is the heart of a ship, and the engine base is an important component of the diesel engine and plays a very important role in the manufacturing process of the diesel engine. As automation technology goes into various industries, semi-automatic welding technology, which is an important place in factories, is gradually being replaced by automatic welding. Because the flexibility of automatic welding is poorer than that of semi-automatic welding, the positions of a plurality of welding seams of the base are inconvenient for automatic equipment in the current market to enter, the field welding environment is complex, the general automatic equipment has excellent performance, is controlled precisely, is multifunctional, has high price and difficult maintenance, needs professional operators and maintainers, and is not suitable for being directly applied to the base.
The overall structure of the marine diesel engine base is larger, so that the welding of parts is finished before the overall assembly welding is carried out. When the assembly is welded, the main welding seams are the welding between the middle cross beam and the side plate assembly and the welding of the upper and lower panel bottom plates. The bottom plate of the upper panel and the lower panel are convenient to weld, most of the existing welding of the cross beam and the side plates still adopts manual drilling to weld in the cylinders, the cross beam and the side plates in each cylinder are large in space if the large-cylinder-diameter engine base is adopted, manual operation is relatively easy, the difficulty of personnel operation is increased if the small-cylinder-diameter engine base is adopted, large potential safety hazards also exist, the size of most of the conventional professional automation equipment is large, and operation in the cylinders is unrealistic.
The scheme has the following defects in the practical process:
1. the traditional manual welding mode needs personnel to drill into a narrow cylinder for operation, is inconvenient to operate,
the production efficiency is low.
2. Due to the limited space in the cylinder, the quality of the weld seam is more or less affected, which affects the quality of the product.
3. Personnel work in narrow space, and have great potential safety hazard.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an automatic welding method and device, and solves the technical problem of low welding efficiency caused by inconvenience of people entering the diesel engine base.
The purpose of the invention is realized by adopting the following technical scheme: a welding method of a diesel engine base crossbeam part and a side plate assembly is applied to automatic welding of the diesel engine base crossbeam part and the side plate assembly; the method comprises the following steps: after spot welding of the frame crossbeam part and the side plate assembly is completed, transferring to the front of a stand column tool; the stand frock includes: the welding machine comprises an upright post platform, a left-right adjusting device, an up-down adjusting device and an arc striking plate, wherein a channel for welding is arranged on the upright post platform; spot welding the stand crossbeam part and the side plate assembly, transferring the stand crossbeam part to the front of the stand column tool, vertically placing the stand crossbeam part to enable the stand crossbeam part to be tightly attached to the stand column platform, and adjusting the left-right adjusting device to enable the neutral position of the stand crossbeam part to be aligned with the channel of the stand column platform;
after the track of the automatic welding trolley is laid on the channel of the upright post platform and the neutral position of the base crossbeam part, the distance between welding seams is adjusted;
and placing the automatic welding tractor on a paved track, adjusting corresponding parameters, starting switch setting, and moving the automatic welding tractor to the inside of the neutral position to complete automatic welding of a welding line.
Further, the track of the automatic welding trolley is pre-installed on the upright post tool.
Furthermore, the track of the automatic welding trolley is laid after the diesel engine base beam part is placed.
Further, the nut is installed to the automatic weld dolly, the lead screw is installed to the stand frock, the lead screw can promote the welding dolly back-and-forth movement.
Furthermore, a positioning groove is formed in the stand column platform, so that the rail of the automatic welding trolley can be conveniently installed and positioned; after positioning, the spacing between the automatic welding trolley and the welding line is ensured to be 0-5mm.
Furthermore, an arc striking plate is installed on the stand column tool and located between the stand column platform and the stand base beam part, and the automatic welding trolley is transited to the stand base beam part for welding through the arc striking plate.
Further, the left-right adjusting device is installed at the bottom of the stand column platform, and the left-right adjusting device can adjust the base cross beam left and right to enable the welding line to be parallel to the rail.
Furthermore, a position sensor is respectively arranged at the front and the rear of the track of the automatic welding trolley to detect the position of the automatic welding trolley.
Further, the parameters include welding current, welding gun angle, and the welding gun angle is 45 ° horizontally.
Correspondingly, the invention also provides a welding device for the cross beam part and the side plate assembly of the diesel engine base, which comprises an upright post tool, an automatic welding trolley and a track of the automatic welding trolley; the stand frock includes: the welding machine comprises an upright post platform, a left-right adjusting device, an up-down adjusting device and an arc striking plate, wherein a channel for welding is arranged on the upright post platform; and the track of the automatic welding trolley is paved on the channel of the upright post platform and the free position of the stand crossbeam part.
Compared with the prior art, the invention has the beneficial effects that: the welding device can be moved into the cross beam of the diesel engine base through an automatic welding machine to finish the linear automatic welding of the cross beam and the side plate; the beam and the side plate are welded quickly and automatically, and inconvenience that people enter the diesel engine base is avoided; the welding efficiency and the welding quality are improved.
Drawings
FIG. 1 is a schematic representation of the use of the present invention;
FIG. 2 is a schematic structural view of a column tooling;
FIG. 3 is a schematic view of a cross-member and side-plate assembly of the diesel engine assembled;
FIG. 4 is a schematic structural view of a track portion;
in the figure: 1. a column platform; 2. a base cross member; 3. a welding completion position sensor; 4. a track; 5. an up-down adjusting device; 6. a left-right adjusting device; 7. welding seams; 8. automatic welding of the trolley; 9. a side plate assembly; 10. an arc striking plate; 11. positioning a groove; 12. a motor; 13. a screw rod; 14. a nut; 15. a welding start position sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a welding method for a cross beam component and a side plate assembly of a diesel engine base is applied to the automatic welding of the cross beam component and the side plate assembly of the diesel engine base.
The method comprises the following steps:
s1, with frame crossbeam part 2 and 9 spot welding of curb plate assembly accomplish the back, before the transfer transported to the stand frock, the stand frock includes: the device comprises a column platform 1, a left-right adjusting device 6, an up-down adjusting device 5 and an arc striking plate 10. Firstly, a stand crossbeam part 2 is vertically placed, the stand crossbeam part 2 is tightly attached to an upright post platform 1, and a left-right adjusting device 6 of an upright post tool is adjusted, so that a neutral position of the stand crossbeam part 2 is aligned with a channel of the upright post platform 1.
Wherein, the left-right adjusting device 6 is arranged at the bottom of the upright post platform, and the left-right adjusting device 6 can adjust the frame cross beam part 2 left and right to enable the welding seam 7 to be parallel to the track 4 of the automatic welding trolley.
The vertical adjusting device 5 is arranged at the bottom of the upright post tool, and the vertical adjusting device 5 can adjust the height of the base cross beam component 2.
S2, paving the track 4 of the automatic welding trolley 8 on a gap between the channel of the upright post platform 1 and the base crossbeam part 2, and adjusting the distance between welding lines.
Wherein, step S2 can be laid after step S1, i.e. after the diesel engine base beam member 2 is put in place. Furthermore, step S2 may precede step S1, i.e. the rail 4 may be pre-mounted to the column tooling.
As shown in fig. 3, the automatic welding tractor 8 is provided with a nut 14, the column tooling is provided with a screw 13, the screw 13 is matched with the nut 14, and the motor 12 rotates to drive the screw 13 to rotate, so as to push the automatic welding tractor 8 to move back and forth.
S3, the automatic welding trolley 8 is placed on the paved track 4, corresponding parameters are adjusted, the parameters comprise welding current, welding gun angles and the like, the welding gun angles are preferably horizontal 45 degrees, and multiple tests show that when the welding gun angles are 45 degrees, the automatic welding effect is optimal. The automatic welding trolley 8 moves to the inside of the neutral position to complete the automatic welding of the welding seam.
Preferably, the upright platform 1 is provided with a positioning groove 11, so that the rail 4 can be conveniently installed and positioned; after the positioning of the track 4 is finished, the interval between the automatic welding trolley 8 and the welding line 7 is ensured to be 0-5mm, and the automatic welding effect is best when the interval between the automatic welding trolley 8 and the welding line 7 is 0-5mm through a plurality of tests.
Preferably, an arc striking plate 10 is installed on the upright post tool, the arc striking plate 10 is located between the upright post platform 1 and the base cross beam component 2, and the automatic welding machine trolley 8 is transited to the base cross beam component 2 through the arc striking plate 10 to perform automatic welding.
Preferably, the front and the rear of the rail 4 are respectively provided with a position sensor, including a welding starting position sensor 15 and a welding finishing position sensor 3; the welding starting position sensor 15 is positioned in front of the upright post tool and can detect the starting position of the automatic welding trolley 8; the welding completion position sensor 3 can detect the completion welding position of the automatic welding machine trolley 8; the position of the automatic welding tractor 8 is detected according to the two sensors, so that the stop and the advance of the automatic welding tractor are controlled.
Correspondingly, the invention also provides a welding device for the cross beam part and the side plate assembly of the diesel engine base, which comprises an upright post tool, an automatic welding trolley 8 and a track 4 of the automatic welding trolley; the stand frock includes: the welding machine comprises an upright post platform 1, a left-right adjusting device 6, an up-down adjusting device 5 and an arc striking plate 10, wherein a channel for welding is arranged on the upright post platform 1, the left-right adjusting device adjusts a machine base beam part left and right, and the up-down adjusting device adjusts the height of the machine base beam part; and the track of the automatic welding trolley 8 is paved on the channel of the upright post platform and the neutral position of the stand crossbeam part.
The left-right adjusting device 6 is arranged at the bottom of the upright post platform, and the left-right adjusting device 6 can adjust the frame cross beam part 2 left and right to enable a welding seam 7 to be parallel to the track 4 of the automatic welding trolley.
The vertical adjusting device 5 is arranged at the bottom of the upright post tool, and the vertical adjusting device 5 can adjust the height of the base cross beam component 2.
The automatic welding trolley 8 is provided with a nut 14, the column tooling is provided with a lead screw 13, the lead screw 13 is matched with the nut 14, and the motor 12 rotates to drive the lead screw 13 to rotate so as to push the automatic welding trolley 8 to move back and forth.
The run-on plate 10 is located between the stand column platform 1 and the base crossbeam part 2, and the automatic welding machine trolley 8 is transferred to the base crossbeam part 2 through the run-on plate 10 for automatic welding.
The welding device can be moved into the cross beam of the diesel engine base through the automatic welding machine to complete the linear automatic welding of the cross beam and the side plate; the beam and the side plate are welded quickly and automatically, and inconvenience that people enter the diesel engine base is avoided; the welding efficiency and the welding quality are improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A welding method of a cross beam part and a side plate assembly of a diesel engine base is characterized by comprising the following steps: the welding device is applied to the automatic welding of a cross beam part and a side plate assembly of a diesel engine base;
the method comprises the following steps: after spot welding of the frame crossbeam part and the side plate assembly is completed, transferring to the front of a stand column tool; the stand frock includes: the welding machine comprises a stand column platform, a left-right adjusting device, an up-down adjusting device and an arc striking plate, wherein the left-right adjusting device and the up-down adjusting device are installed at the bottom of the stand column platform; spot welding the base beam part and the side plate assembly, transferring the base beam part and the side plate assembly to the front of the upright post tool, vertically placing the base beam part to enable the base beam part to be tightly attached to the upright post platform, and adjusting the left-right adjusting device to enable the neutral position of the base beam part to be aligned with the channel of the upright post platform;
after the track of the automatic welding trolley is flatly laid on the channel of the upright post platform and the free position of the base crossbeam part, the distance between welding seams is adjusted;
and placing the automatic welding trolley on a paved track, adjusting corresponding parameters, starting the switch setting, and moving the automatic welding trolley to the inside of the neutral position to finish the automatic welding of the welding line.
2. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: the rail of the automatic welding trolley is pre-installed on the upright post tool.
3. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: and the rails of the automatic welding trolley are laid after the cross beam part of the diesel engine base is placed.
4. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: the nut is installed to the automatic welding dolly, the lead screw is installed to the stand frock, the lead screw can promote the welding dolly back-and-forth movement.
5. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: a positioning groove is formed in the upright post platform, so that the rail of the automatic welding trolley can be conveniently installed and positioned; after positioning, the spacing between the automatic welding trolley and the welding line is ensured to be 0-5mm.
6. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: and an arc striking plate is arranged on the upright post tool, and the automatic welding trolley is transited to the welding of the frame beam part through the arc striking plate.
7. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: the left-right adjusting device can adjust the frame cross beam part left and right to enable the welding line to be parallel to the track.
8. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: and the front and the back of the track of the automatic welding trolley are respectively provided with a position sensor for detecting the position of the automatic welding trolley.
9. The welding method of the cross beam component and the side plate assembly of the diesel engine base according to claim 1, characterized in that: the parameters include welding current, torch angle, which is 45 ° horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911035188.2A CN112743211B (en) | 2019-10-29 | 2019-10-29 | Welding method and device for cross beam part and side plate assembly of diesel engine base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911035188.2A CN112743211B (en) | 2019-10-29 | 2019-10-29 | Welding method and device for cross beam part and side plate assembly of diesel engine base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112743211A CN112743211A (en) | 2021-05-04 |
| CN112743211B true CN112743211B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911035188.2A Active CN112743211B (en) | 2019-10-29 | 2019-10-29 | Welding method and device for cross beam part and side plate assembly of diesel engine base |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239431B (en) * | 2008-03-18 | 2010-06-23 | 南通三九焊接机器制造有限公司 | Diesel engine base, engine base frame automatically welding workstation |
| CN101644190B (en) * | 2009-09-04 | 2011-06-29 | 沪东重机有限公司 | Butt joint method of large cylinder-diameter diesel engine stand |
| CN105414785B (en) * | 2015-12-09 | 2017-12-26 | 江苏科技大学 | A kind of marine low speed diesel engine frame manufacture method |
| CN206519640U (en) * | 2016-12-29 | 2017-09-26 | 上海沪临重工有限公司 | A kind of bonding machine for marine diesel frame triangle Tube-sheet Welding |
| CN107350651A (en) * | 2017-06-30 | 2017-11-17 | 沪东重机有限公司 | Robot welding system for marine diesel kidney-shaped doorframe and round flange |
| CN108127284B (en) * | 2017-12-29 | 2020-09-25 | 中船海洋动力部件有限公司 | Assembly method before welding for marine diesel engine frame |
| CN209272805U (en) * | 2018-11-14 | 2019-08-20 | 中船海洋动力部件有限公司 | Automated assembly device suitable for a variety of marine diesel housiung separator components |
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2019
- 2019-10-29 CN CN201911035188.2A patent/CN112743211B/en active Active
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| CN112743211A (en) | 2021-05-04 |
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