CN114043129A - Method for detecting and welding workpiece by using assembly welding device - Google Patents

Method for detecting and welding workpiece by using assembly welding device Download PDF

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Publication number
CN114043129A
CN114043129A CN202111331347.0A CN202111331347A CN114043129A CN 114043129 A CN114043129 A CN 114043129A CN 202111331347 A CN202111331347 A CN 202111331347A CN 114043129 A CN114043129 A CN 114043129A
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CN
China
Prior art keywords
welding device
side beam
lower cover
cover plate
groove
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CN202111331347.0A
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Chinese (zh)
Inventor
朱丽丽
张休巍
王冰
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CRRC Changchun Railway Vehicles Co Ltd
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CRRC Changchun Railway Vehicles Co Ltd
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Priority to CN202111331347.0A priority Critical patent/CN114043129A/en
Publication of CN114043129A publication Critical patent/CN114043129A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a method for detecting and welding workpieces by using a welding device, which mainly comprises the following steps: s101, carrying out numerical control machining on a plurality of groups of grooves on an assembly welding device; s102, placing the rib plate in a rib plate groove to detect the size of the rib plate; s103, placing the lower cover plate of the side beam on an assembly welding device; s104, detecting the size of the lower cover plate of the side beam by using the lower cover plate groove; s105, placing the side beam inner side vertical plate and the side beam outer side vertical plate on the side beam lower cover plate, and respectively detecting the length size by using the length detection grooves; s106, after the workpiece is detected to be qualified, putting the workpiece into an assembly welding device, and pressing the workpiece by using a pressing part on the assembly welding device; and S107, completing assembly welding. The process method is easy to operate, time-saving, labor-saving and labor-saving, the detection groove is prevented from being rusted and dusted in a coating mode, the process steps are reduced, the design concept of the assembly welding device and the design concept of a product piece are integrated, and the traditional process method is changed.

Description

Method for detecting and welding workpiece by using assembly welding device
Technical Field
The invention relates to the technical field of bogie side beam workpiece detection and assembly welding, in particular to a method for detecting and assembling and welding a workpiece by using an assembly welding device.
Background
The process sequence of the assembly welding process of the inner cavity of the side beam of the bogie at the present stage is to detect a single workpiece by utilizing a side beam lower cover plate detection sample plate or a measuring tape. Due to the fact that detection modes and methods of operators, detection tools and detection means are not uniform, detection standards cannot be unified, detection sizes are not accurate, and labor hours are consumed. Meanwhile, in the prior art, detection and assembly welding of workpieces need to be carried out by a welder and a riveter respectively, detection is completed by the riveter, assembly welding is completed by the welder, labor cost is high, and if the procedures of the riveter and the welder can be combined, labor is saved, working hours are saved, and working efficiency is improved.
The detection means in the prior art has the phenomenon of missing detection, and a process operator needs to check by looking at the picture paper again after replacing the detection means.
Therefore, based on the above technical problems, a need exists in the art for a process method for inspecting and assembling and welding workpieces by using a welding apparatus based on the prior art.
Disclosure of Invention
The invention aims to provide a method for detecting and welding workpieces by using a welding device, which directly sets a detection standard on the welding device for an operator to more intuitively detect, namely detect and weld the workpieces on one device, saves manpower and labor hour, has obvious detection reference, and does not have the problems of missing detection and low detection precision.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a method for detecting and welding workpieces by using a welding device, which is based on the welding device and mainly comprises the following steps:
s101, processing a plurality of groups of grooves on an assembly welding device in a numerical control manner, brushing anti-rust paint in the grooves, and taking the side surface of one side as a size surface for detection, wherein the grooves are divided into a plurality of groups:
a rib plate groove for detecting a rib plate in the inner cavity of the side beam;
the length detection groove is used for detecting the length sizes of the lower cover plate of the side beam, the inner vertical plate of the side beam and the outer vertical plate of the side beam; and
the lower cover plate groove is used for detecting the surface size of the lower cover plate of the side beam;
s102, placing eight rib plates in the inner cavity of the side beam in rib plate grooves to detect the sizes of the rib plates;
s103, placing the lower cover plate of the side beam on an assembly welding device, and positioning and fixing the lower cover plate on the assembly welding device through a positioning and clamping structure;
s104, detecting the size of the lower cover plate of the side beam by using the lower cover plate groove;
s105, placing the side beam inner side vertical plate and the side beam outer side vertical plate on the side beam lower cover plate, and respectively detecting the length sizes of the side beam lower cover plate, the side beam inner side vertical plate and the side beam outer side vertical plate by using the length detection grooves;
s106, after the workpiece is detected to be qualified, sequentially putting the workpiece into an assembly welding device according to the sequence of the lower side beam cover plate, the inner side vertical plate for measurement, the central side beam pin bush, the rib plate and the outer side vertical plate of the side beam, and pressing the workpiece by using a pressing part on the assembly welding device;
and S107, completing assembly welding.
Further, the color of the dimension surface of the groove is different from the color of the other surfaces of the groove;
the brush coating thickness of the antirust paint of the groove is less than 0.15 mm.
Furthermore, the number of the rib plate grooves is two, and the two rib plate grooves are respectively processed at two ends of the assembly welding device.
Furthermore, a group of length detection grooves is respectively processed at two ends of the assembly welding device;
each group of the length detection grooves comprises three length detection grooves which are arranged at intervals;
the three length detection grooves respectively correspond to and detect the length sizes of the lower cover plate of the side beam, the inner vertical plate of the side beam and the outer vertical plate of the side beam.
Furthermore, the detection length sizes of the side beam lower cover plate, the side beam inner side vertical plate and the side beam outer side vertical plate are 1048mm, 1136mm and 1193mm according to central symmetry.
Further, the lower cover groove is matched with a plurality of convex parts of the lower cover of the side beam so as to detect the corresponding convex parts.
Further, the size of the rib groove is 700 × 152.5 × 5 mm.
Further, the length detection groove has a dimension of 600 × 30 × 5 mm.
In the technical scheme, the method for detecting and welding the workpiece by using the assembly welding device provided by the invention has the following beneficial effects:
the process method abandons a detection method of a sample plate and a tape measure, detects different workpieces by using the grooves processed by the numerical control machine tool, and has high detection precision and more intuitive and convenient detection; the vacant positions on the assembly welding device fully utilize the space of the device without other detection tools, thereby not only realizing an accurate detection method, but also combining the assembly welding process with the detection process.
The process method combines the workpiece detection method and the workpiece assembly welding, is not achieved by the process method in the prior art, is not available before the assembly welding process of the side beam of the bogie, and is not achieved by the assembly welding device in the prior art.
The process method is easy to operate, time-saving, labor-saving and labor-saving, the detection groove is prevented from being rusted and dusted in a coating mode, the process steps are reduced, the design concept of the assembly welding device and the design concept of a product piece are integrated, and the traditional process method is changed.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a front view of a side sill lower cover for a method of inspecting and welding a workpiece using an assembly welding apparatus in accordance with an embodiment of the present invention;
FIG. 2 is a top view of a side sill lower cover for a method of inspecting and welding a workpiece using a welding apparatus in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a side sill inner side vertical plate for a method of detecting and welding a workpiece by using a welding device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a side sill outer panel for a method of inspecting and welding a workpiece using a welding apparatus according to an embodiment of the present invention;
FIG. 5 is a first schematic structural diagram of a rib plate of a method for detecting and welding a workpiece by using a welding device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram ii of a rib plate of a method for detecting and welding a workpiece by using a welding device according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a side beam center pin sleeve assembly for a method of inspecting and assembling a workpiece using an assembly welding apparatus according to an embodiment of the present invention;
FIG. 8 is a first schematic structural diagram illustrating a mating relationship between a welding device and a workpiece according to a method for inspecting and welding the workpiece by the welding device of the present invention;
fig. 9 is a top view of a welding device in mating relationship with a workpiece according to an embodiment of the present invention.
Description of reference numerals:
101. a side sill lower cover plate; 102. side beam inner side vertical plates; 103. side beam outer side vertical plates; 104. a rib plate; 105. a side beam center pin bush; 106. a bending part; 107. a convex portion;
2. assembling and welding the device; 3. a rib plate groove; 4. a length detection groove; 5. a lower cover plate groove;
201. positioning blocks; 202. a jacking mechanism; 203. assembling and welding a device base; 204. assembling and welding a side supporting box of the device; 205. a platen structure; 206. a pressing mechanism.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
See fig. 1-9;
the method for detecting and welding the workpieces by using the assembly welding device is based on the assembly welding device 2 and mainly comprises the following steps:
s101, machining a plurality of groups of grooves on the assembly welding device 2 in a numerical control mode, brushing anti-rust paint in the grooves, and taking the side face of one side as a size face for detection, wherein the grooves are divided into a plurality of groups:
a rib groove 3 for detecting a rib 104 of the side beam inner cavity;
a length detection groove 4 for detecting the length dimensions of the side sill lower cover 101, the side sill inner side vertical plate 102 and the side sill outer side vertical plate 103; and
a lower cover plate groove 5 for detecting the surface shape size of the side beam lower cover plate 101;
s102, placing eight rib plates 104 in the inner cavity of the side beam in a rib plate groove 3 to detect the size of the rib plates 104;
s103, placing the side beam lower cover plate 101 on the assembly welding device 2, and positioning and fixing the side beam lower cover plate on the assembly welding device 2 through a positioning and clamping structure;
s104, detecting the size of the side beam lower cover plate 101 by using the lower cover plate groove 5;
s105, placing the side sill inner vertical plate 102 and the side sill outer vertical plate 103 on the side sill lower cover 101, and respectively detecting the length sizes of the side sill lower cover 101, the side sill inner vertical plate 102 and the side sill outer vertical plate 103 by using the length detection grooves 4;
s106, after the workpiece is detected to be qualified, sequentially putting the workpiece into the assembly welding device 2 according to the sequence of the lower side beam cover plate 101, the measuring inner side vertical plate 102, the side beam center pin bush assembly 105, the rib plate 104 and the side beam outer side vertical plate 103, and pressing the workpiece by using a pressing part on the assembly welding device;
and S107, completing assembly welding.
The embodiment discloses a workpiece detection and assembly welding process method based on an assembly welding device 2 in the prior art, which reasonably utilizes the spare parts of the assembly welding device 2 to process the multiple groups of detection grooves by a numerical control processing method, and the detection grooves are respectively used for correspondingly detecting the sizes of a side beam lower cover plate 101, a rib plate 104, a side beam inner side vertical plate 102 and a measurement outer side vertical plate 103, so that the detection process can be synchronously completed on the assembly welding device 2. After the size detection is qualified, an operator can synchronously complete the assembly welding process in the assembly welding device 2, and time and labor are saved.
Preferably, the color of the dimension surface of the groove of the embodiment is different from the color of the other surfaces of the groove;
the brush coating thickness of the antirust paint in the groove is less than 0.15 mm.
In actual work, firstly, the gold antirust paint is coated in the grooves, the side faces of red (or other distinguishable colors) in the grooves are used as dimension faces for detection, and the grooves of the embodiment are all formed by numerical control machining.
Preferably, the number of the rib grooves 3 is two, and the two rib grooves 3 are respectively processed at two ends of the assembly welding device 2.
Wherein, a group of length detection grooves 4 are respectively processed at two ends of the assembly welding device 2;
each group of length detection grooves 4 comprises three length detection grooves 4 which are arranged at intervals;
the three length detection grooves 4 respectively correspond to and detect the length dimensions of the side sill lower cover 101, the side sill inner side vertical plate 102 and the side sill outer side vertical plate 103.
According to the process dimension requirements, the detection length dimensions of the side sill lower cover 101, the side sill inner side vertical plate 102 and the side sill outer side vertical plate 103 of the present embodiment are 1048mm, 1136mm and 1193mm respectively according to the central symmetry.
Preferably, the undercover grooves 5 of the present embodiment are matched with a plurality of projections of the side sill undercover 101 to detect the corresponding projections.
Preferably, the rib indentation 3 of the present embodiment has a size of 700 × 152.5 × 5 mm.
Preferably, the length detection groove 4 of the present embodiment has a size of 600 × 30 × 5 mm.
Since the side sill lower cover 101 has a plurality of protruding portions, the size of the lower cover groove 5 of the present embodiment is designed to be 1 771 × 10 × 5mm, 1 740 × 10 × 5mm, and 2 152 × 10 × 5 mm.
Meanwhile, when the side sill lower cover plate 101 is positioned and fixed, the two positioning blocks 201 on the assembly welding device 2 and the tightening mechanism 202 corresponding to one side are adopted, the tightening mechanism 202 acts on the other side of the side sill lower cover plate 101, and the side sill lower cover plate 101 is tightened to be abutted against the positioning blocks 201 corresponding to one side, so that the positioning and fixing of the side sill lower cover plate 101 are completed.
And the drawn red line of the lower cover plate groove 5 is used as a detection reference line and is superposed with the reference line of the side beam, so that the workpiece is qualified for detection.
After all the workpieces are detected to be qualified, the workpieces are sequentially placed on the side beam assembly welding device 2 according to the sequence of the side beam lower cover plate 101, the side beam inner side vertical plate 102, the side beam center pin bush assembly 105, the rib plate 104 and the side beam outer side vertical plate 103, and are abutted and pressed tightly, and assembly welding is completed.
For further explanation and illustration:
the workpiece detecting and assembling process disclosed in this embodiment is based on the assembling and welding device 2 in the prior art, and is further described based on the structure of the side beam and the corresponding matching structure of the assembling and welding device 2. Wherein, apron 101 distributes along its circumference under the curb girder has a plurality of convex parts 107 (be foretell bulge promptly), and curb girder inboard riser 102 and curb girder outside riser 103 all include the body that the level extends and the portion 106 of bending that is located both ends, because the shaping is buckled by the body to the portion 106 of bending, consequently, the assembly welding device 2 of this application mainly includes: when the side sill inner vertical plate 102 and the side sill outer vertical plate 103 are placed on the assembly welding device 2, the bending portions 106 of the side sill inner vertical plate 102 and the side sill outer vertical plate 103 extend and are supported on the assembly welding device side support box 204, and therefore, the length detection groove 4 needs to be correspondingly arranged on the surface of the assembly welding device side support box 204 so as to detect the length dimension of the corresponding workpiece.
Secondly, the assembly welding device base 203 has some space relative to the outer side end of the assembly welding device side support box 204, and the space can be used for arranging the rib plate groove 3, so that the spare space of the part is reasonably utilized to detect the size and the shape of the rib plate 105.
In addition, the workpiece mounted on the assembly welding device 2 needs to be positioned and clamped. Therefore, in the assembly welding device 2 of the present embodiment, in addition to the above-mentioned abutting mechanism 202, a pressing plate structure 205 capable of pressing the corresponding vertical plate is further provided at intervals along the length direction thereof; and a pressing mechanism 206 capable of pressing the body portion of the corresponding riser. Because the vertical plate has a certain length, the tightening mechanisms 202 on the side of the assembly welding device 2 according to this embodiment also need to be arranged at intervals according to the tightening positioning requirements of the workpieces, so as to meet the positioning requirements of the workpieces during assembly welding operation, and finally improve the assembly welding precision.
In the technical scheme, the method for detecting and welding the workpiece by using the assembly welding device provided by the invention has the following beneficial effects:
the process method abandons a detection method of a sample plate and a tape measure, detects different workpieces by using the grooves processed by the numerical control machine tool, and has high detection precision and more intuitive and convenient detection; the vacant positions on the assembly welding device fully utilize the space of the device without other detection tools, thereby not only realizing an accurate detection method, but also combining the assembly welding process with the detection process.
The process method combines the workpiece detection method and the workpiece assembly welding, is not achieved by the process method in the prior art, is not available before the assembly welding process of the side beam of the bogie, and is not achieved by the assembly welding device in the prior art.
The process method is easy to operate, time-saving, labor-saving and labor-saving, the detection groove is prevented from being rusted and dusted in a coating mode, the process steps are reduced, the design concept of the assembly welding device and the design concept of a product piece are integrated, and the traditional process method is changed.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (8)

1. A method for detecting and welding workpieces by using a welding device is based on the welding device and is characterized by mainly comprising the following steps:
s101, machining a plurality of groups of grooves on the assembly welding device (2) in a numerical control mode, brushing anti-rust paint in the grooves, and taking the side face of one side as a size face for detection, wherein the grooves are divided into a plurality of groups:
a rib plate groove (3) for detecting a rib plate (107) of the side beam inner cavity;
a length detection groove (4) for detecting the length dimensions of the side sill lower cover plate (101), the side sill inner side vertical plate (102) and the side sill outer side vertical plate (103); and
a lower cover plate groove (5) for detecting the surface shape size of the side beam lower cover plate (101);
s102, placing eight rib plates (104) in the inner cavity of the side beam in a rib plate groove (3) to detect the size of the rib plates (104);
s103, placing the side beam lower cover plate (101) on the assembly welding device (2) and fixing the side beam lower cover plate on the assembly welding device (2) in a positioning mode through a positioning and clamping structure;
s104, detecting the size of the side beam lower cover plate (101) by using the lower cover plate groove (5);
s105, placing the side beam inner side vertical plate (102) and the side beam outer side vertical plate (103) on the side beam lower cover plate (101), and respectively detecting the length sizes of the side beam lower cover plate (101), the side beam inner side vertical plate (102) and the side beam outer side vertical plate (103) by using the length detection groove (4);
s106, after the workpiece is detected to be qualified, sequentially putting the workpiece into the assembly welding device (2) according to the sequence of the lower side beam cover plate (101), the measuring inner side vertical plate (102), the side beam center pin bush assembly (105), the rib plate (104) and the side beam outer side vertical plate (103), and pressing the workpiece by using a pressing part on the assembly welding device;
and S107, completing assembly welding.
2. A method of inspecting and welding workpieces with a welding apparatus as set forth in claim 1, wherein the color of the dimension face of the groove is different from the color of the other face of the groove;
the brush coating thickness of the antirust paint of the groove is less than 0.15 mm.
3. The method for detecting and welding the workpiece by using the assembly welding device according to claim 1, wherein the number of the rib grooves (3) is two, and the two rib grooves (3) are respectively processed at two ends of the assembly welding device (2).
4. A method for inspecting and welding workpieces by means of a welding device according to claim 1, characterized in that a set of said length measuring grooves (4) is machined at each end of the welding device (2);
each group of the length detection grooves (4) comprises three length detection grooves (4) which are arranged at intervals;
the three length detection grooves (4) respectively correspond to and detect the length sizes of the side beam lower cover plate (101), the side beam inner side vertical plate (102) and the side beam outer side vertical plate (103).
5. The method for detecting and welding the workpieces by using the assembly welding device as claimed in claim 4, wherein the detecting length dimensions of the side sill lower cover plate (101), the side sill inner side vertical plate (102) and the side sill outer side vertical plate (103) are 1048mm, 1136mm and 1193mm according to central symmetry.
6. A method of inspecting and welding workpieces using a welding apparatus according to claim 1, wherein the lower deck groove (5) is matched with a plurality of projections of the side sill lower deck (101) to inspect the corresponding projections.
7. A method of inspecting and welding workpieces using a welding set according to claim 3, characterized in that the web groove (3) has a size of 700 x 152.5 x 5 mm.
8. A method of inspecting and welding workpieces with a welding device according to claim 4, characterized in that the length detection groove (4) has a size of 600 x 30 x 5 mm.
CN202111331347.0A 2021-11-11 2021-11-11 Method for detecting and welding workpiece by using assembly welding device Pending CN114043129A (en)

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Application Number Priority Date Filing Date Title
CN202111331347.0A CN114043129A (en) 2021-11-11 2021-11-11 Method for detecting and welding workpiece by using assembly welding device

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Application Number Priority Date Filing Date Title
CN202111331347.0A CN114043129A (en) 2021-11-11 2021-11-11 Method for detecting and welding workpiece by using assembly welding device

Publications (1)

Publication Number Publication Date
CN114043129A true CN114043129A (en) 2022-02-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5818595A (en) * 1994-10-11 1998-10-06 Komatsu Ltd. Work piece butt position detecting method for butt welding
CN208744019U (en) * 2018-08-24 2019-04-16 中铁一局集团天津建设工程有限公司 A kind of accurate assembled station of stirrup
CN110842455A (en) * 2019-12-24 2020-02-28 无锡透平叶片有限公司 Universal assembling device for spot welding of hollow blades
CN111360468A (en) * 2018-12-26 2020-07-03 中车唐山机车车辆有限公司 Assembly welding tool for vertical plate and rib plate in fish-belly sill and welding method for fish-belly sill
CN211939676U (en) * 2020-04-09 2020-11-17 山东蓬翔汽车有限公司 Frame construction assembly welding platform
CN111958149A (en) * 2020-07-10 2020-11-20 中车青岛四方机车车辆股份有限公司 Alignment and centering device and method for assembling side beam positioning arm

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5818595A (en) * 1994-10-11 1998-10-06 Komatsu Ltd. Work piece butt position detecting method for butt welding
CN208744019U (en) * 2018-08-24 2019-04-16 中铁一局集团天津建设工程有限公司 A kind of accurate assembled station of stirrup
CN111360468A (en) * 2018-12-26 2020-07-03 中车唐山机车车辆有限公司 Assembly welding tool for vertical plate and rib plate in fish-belly sill and welding method for fish-belly sill
CN110842455A (en) * 2019-12-24 2020-02-28 无锡透平叶片有限公司 Universal assembling device for spot welding of hollow blades
CN211939676U (en) * 2020-04-09 2020-11-17 山东蓬翔汽车有限公司 Frame construction assembly welding platform
CN111958149A (en) * 2020-07-10 2020-11-20 中车青岛四方机车车辆股份有限公司 Alignment and centering device and method for assembling side beam positioning arm

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