CN114101865B - Method for processing hinged base - Google Patents
Method for processing hinged base Download PDFInfo
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- CN114101865B CN114101865B CN202111264452.7A CN202111264452A CN114101865B CN 114101865 B CN114101865 B CN 114101865B CN 202111264452 A CN202111264452 A CN 202111264452A CN 114101865 B CN114101865 B CN 114101865B
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- 238000000034 method Methods 0.000 title claims description 20
- 238000003466 welding Methods 0.000 claims abstract description 127
- 230000008093 supporting effect Effects 0.000 claims abstract description 122
- 238000003672 processing method Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000452 restraining effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 12
- 239000011324 bead Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/013—Arc cutting, gouging, scarfing or desurfacing
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
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Abstract
The disclosure discloses a processing method of a hinged base, and belongs to the field of machining. The two vertical plates and the bottom plate are firstly subjected to positioning welding, so that a positioning effect is achieved, and then the rib plates and the vertical plates and the rib plates and the bottom plate are subjected to positioning welding. Two bar-shaped supporting plates are welded on each vertical plate, the two bar-shaped supporting plates are mutually spaced, and the bar-shaped supporting plates on each vertical plate are positioned on the surface of the vertical plate facing the other vertical plate. The strip-shaped supporting plates are matched with the rib plates, the two faces of each vertical plate play a role in restraining and supporting the vertical plates, and deformation is reduced. The U-shaped supporting plate is connected with the two vertical plates, the U-shaped supporting plate is provided with two supporting holes corresponding to the lug holes of the two vertical plates one by one, and a positioning pin is inserted into each supporting hole and the lug hole corresponding to each supporting hole to obtain comprehensive support. The whole deformation of the finally obtained hinged base is very small, the welding quality is high, and the use strength of the hinged base is also improved.
Description
Technical Field
The disclosure relates to the field of machining, and in particular relates to a machining method of an articulated base.
Background
The hinged base is mainly used for connecting the embedded foundation and the supporting platform and realizing the rotary motion of the supporting platform, and is a common structure similar to a double-lug plate. The hinged base at least comprises a bottom plate and two vertical plates, wherein the two vertical plates are vertically arranged on the bottom plate, are mutually parallel and are mutually spaced.
In the preparation process of the hinged base, casting molding is usually adopted, but more bubbles and defects exist in the hinged base obtained by casting molding, so that the use strength of the finally obtained hinged base is poor, and the hinged base is difficult to apply to a large-scale structure.
Disclosure of Invention
The embodiment of the disclosure provides a processing method of a hinged base, which can improve the processing quality and the use strength of the hinged base. The technical scheme is as follows:
The embodiment of the disclosure provides a processing method of an articulated base, which comprises the following steps:
Providing a bottom plate, two vertical plates and four rib plates, wherein each vertical plate is provided with an ear hole;
positioning and welding the two vertical plates to the bottom plate, wherein the two vertical plates are parallel to each other and are perpendicular to the bottom plate;
Carrying out positioning welding on the four rib plates, the two vertical plates and the bottom plate, wherein the four rib plates are respectively connected with the two vertical plates in pairs, the two rib plates positioned on each vertical plate are symmetrical about the symmetry plane of the vertical plate, and the four rib plates are positioned on the opposite surfaces of the two vertical plates;
two strip-shaped supporting plates are welded on each vertical plate, the two strip-shaped supporting plates are mutually spaced, and the strip-shaped supporting plates on each vertical plate are positioned on the surface of the vertical plate facing the other vertical plate;
Connecting a U-shaped supporting plate with the two vertical plates, wherein the U-shaped supporting plate is provided with two supporting holes corresponding to the lug holes of the two vertical plates one by one, each supporting hole and the lug hole corresponding to the supporting hole are respectively inserted with a positioning pin, and the two vertical plates are positioned in the U-shaped supporting plate;
welding the four rib plates and the bottom plate;
welding the four rib plates and the two vertical plates;
and welding the bottom plate and the two vertical plates.
Optionally, the positioning welding the two vertical plates to the bottom plate includes:
Placing the two vertical plates on the bottom plate, wherein a groove is formed between the side surfaces of the vertical plates and the plate surface of the bottom plate;
And positioning and welding two ends of the groove between the vertical plate and the bottom plate.
Optionally, the welding of two bar-shaped support plates on each vertical plate includes:
the distance between the two strip-shaped supporting plates is larger than the maximum distance between the two rib plates on the vertical plate, and the two strip-shaped supporting plates are symmetrical relative to the symmetry plane of the vertical plate;
and welding the two strip-shaped supporting plates to the vertical plate.
Optionally, the maximum height of the strip-shaped supporting plate is equal to the maximum height of the rib plate.
Optionally, two sides of the U-shaped support plate parallel to the bottom plate are further provided with support protrusions, and each support protrusion is located between two adjacent rib plates.
Optionally, one end of the positioning pin is provided with a coaxial connecting plate, and the circumference of the connecting plate is provided with a plurality of connecting holes; the processing method further comprises the following steps:
after the U-shaped supporting plate is connected with the two vertical plates, a plurality of connecting bolts are used for one-to-one connection with the plurality of connecting holes before the four rib plates are welded with the bottom plate, so that one end of each connecting bolt is propped against the U-shaped supporting plate.
Optionally, the welding groove between the vertical plate and the bottom plate is a double-sided groove, and the welding the bottom plate and the two vertical plates includes:
Welding the inner grooves of each vertical plate and the bottom plate until 1/3 of the depth of the inner grooves is filled;
performing back chipping treatment on the outer grooves of the vertical plates and the bottom plate by adopting a carbon arc gouging machine;
Welding the outer grooves of each vertical plate and the bottom plate to 1/3 of the depth of the outer grooves;
and repeating the steps until the grooves between each vertical plate and the bottom plate are welded fully.
Optionally, each vertical plate and the inner groove of the bottom plate are welded by a manipulator, and each vertical plate and the outer groove of the bottom plate are welded manually.
Optionally, the welding the bottom plate and the two vertical plates includes:
And welding the bottom plate and the two vertical plates by using a consumable electrode mixed gas shielded welding.
Optionally, the processing method further comprises: after the U-shaped supporting plate is connected with the two vertical plates, before the four rib plates and the bottom plate are welded,
And heating the U-shaped supporting plate, the bottom plate, the two vertical plates and the four rib plates to 100-150 ℃.
The technical scheme provided by the embodiment of the disclosure has the beneficial effects that:
Providing a bottom plate and a vertical plate required for manufacturing the hinged base, and a rib plate for reinforcing the strength of the hinged base. In the welding process, the two vertical plates and the bottom plate are positioned and welded firstly, so that the positioning effect is achieved, and the subsequent welding precision is ensured. And the rib plates are welded with the vertical plates and the bottom plate in a positioning way, so that the rib plates play a supporting role, and the subsequent welding deformation is reduced. The four rib plates are connected with the two vertical plates in pairs respectively, the two rib plates positioned and welded on each vertical plate are symmetrical about the symmetrical plane of the vertical plate, and the four rib plates are positioned on the opposite surfaces of the two vertical plates. After the rib plate is subjected to positioning welding, two strip-shaped supporting plates are welded on each vertical plate, the two strip-shaped supporting plates are mutually spaced, and the strip-shaped supporting plates on each vertical plate are positioned on the surface of the vertical plate, which faces the other vertical plate. The strip-shaped supporting plates are matched with the rib plates, the two faces of each vertical plate play a role in restraining and supporting the vertical plates, and the possibility that the vertical plates deform in the welding process can be effectively reduced. On the premise that the easily deformed surfaces of the vertical plates are effectively supported, the U-shaped supporting plate is connected with the two vertical plates, the U-shaped supporting plate is provided with two supporting holes corresponding to the earholes of the two vertical plates one by one, a positioning pin is inserted into each supporting hole and the corresponding earhole of the supporting hole, and the two vertical plates are positioned in the U-shaped supporting plate; the earhole of each vertical plate is limited by the locating pin, the relative distance between the two vertical plates is supported by the U-shaped supporting plate, and after the two vertical plates are comprehensively supported, deformation possibly generated by subsequent welding can be very small, so that the welding quality of the hinged base can be improved. And then the rib plate and the bottom plate are welded firstly, the bottom plate is not easy to deform, the grooves between the rib plate, the vertical plate and the bottom plate are small, the deformation is small, and the vertical plate can provide support for the vertical plate and the bottom plate after welding. Therefore, the rib plate and the two vertical plates which are not easy to deform and have smaller grooves are welded, and finally, the bottom plate and the two vertical plates are welded. The whole deformation of the finally obtained hinged base is very small, the welding quality is high, and the use strength of the hinged base is also improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method of processing an articulating base provided by an embodiment of the present disclosure;
FIG. 2 is a flow chart of another method of manufacturing an articulating base provided by an embodiment of the present disclosure;
fig. 3 to 5 are schematic diagrams of a welding process of the hinge base provided in the embodiments of the present disclosure.
Detailed Description
For the purposes of clarity, technical solutions and advantages of the present disclosure, the following further details of the embodiments of the present disclosure will be described with reference to the accompanying drawings.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," "third," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "top", "bottom" and the like are used only to indicate relative positional relationships, which may be changed accordingly when the absolute position of the object to be described is changed.
For ease of understanding, the present disclosure will be described below with reference to the accompanying drawings. Fig. 1 is a flowchart of a processing method of an articulated base provided by an embodiment of the present disclosure, and as can be seen with reference to fig. 1, the embodiment of the present disclosure provides a processing method of an articulated base, where the processing method includes:
s101: providing a bottom plate, two vertical plates and four rib plates, wherein each vertical plate is provided with an ear hole.
S102: and positioning and welding the two vertical plates onto the bottom plate, wherein the two vertical plates are parallel to each other and are perpendicular to the bottom plate.
S103: and carrying out positioning welding on the four rib plates, the two vertical plates and the bottom plate, wherein the four rib plates are respectively connected with the two vertical plates in pairs, the two rib plates positioned on each vertical plate are symmetrical about the symmetry plane of the vertical plate, and the four rib plates are positioned on the opposite surfaces of the two vertical plates.
S104: two bar-shaped supporting plates are welded on each vertical plate, the two bar-shaped supporting plates are mutually spaced, and the bar-shaped supporting plates on each vertical plate are positioned on the surface of the vertical plate facing the other vertical plate.
S105: the U-shaped supporting plate is connected with the two vertical plates, the U-shaped supporting plate is provided with two supporting holes corresponding to the earholes of the two vertical plates one by one, a positioning pin is inserted into each supporting hole and the corresponding earhole of each supporting hole, and the two vertical plates are located in the U-shaped supporting plate.
S106: and welding four rib plates and a bottom plate.
S107: and welding four rib plates and two vertical plates.
S108: and welding the bottom plate and the two vertical plates.
Providing a bottom plate and a vertical plate required for manufacturing the hinged base, and a rib plate for reinforcing the strength of the hinged base. In the welding process, the two vertical plates and the bottom plate are positioned and welded firstly, so that the positioning effect is achieved, and the subsequent welding precision is ensured. And the rib plates are welded with the vertical plates and the bottom plate in a positioning way, so that the rib plates play a supporting role, and the subsequent welding deformation is reduced. The four rib plates are connected with the two vertical plates in pairs respectively, the two rib plates positioned and welded on each vertical plate are symmetrical about the symmetrical plane of the vertical plate, and the four rib plates are positioned on the opposite surfaces of the two vertical plates. After the rib plate is subjected to positioning welding, two strip-shaped supporting plates are welded on each vertical plate, the two strip-shaped supporting plates are mutually spaced, and the strip-shaped supporting plates on each vertical plate are positioned on the surface of the vertical plate, which faces the other vertical plate. The strip-shaped supporting plates are matched with the rib plates, the two faces of each vertical plate play a role in restraining and supporting the vertical plates, and the possibility that the vertical plates deform in the welding process can be effectively reduced. On the premise that the easily deformed surfaces of the vertical plates are effectively supported, the U-shaped supporting plate is connected with the two vertical plates, the U-shaped supporting plate is provided with two supporting holes corresponding to the earholes of the two vertical plates one by one, a positioning pin is inserted into each supporting hole and the corresponding earhole of the supporting hole, and the two vertical plates are positioned in the U-shaped supporting plate; the earhole of each vertical plate is limited by the locating pin, the relative distance between the two vertical plates is supported by the U-shaped supporting plate, and after the two vertical plates are comprehensively supported, deformation possibly generated by subsequent welding can be very small, so that the welding quality of the hinged base can be improved. And then the rib plate and the bottom plate are welded firstly, the bottom plate is not easy to deform, the grooves between the rib plate, the vertical plate and the bottom plate are small, the deformation is small, and the vertical plate can provide support for the vertical plate and the bottom plate after welding. Therefore, the rib plate and the two vertical plates which are not easy to deform and have smaller grooves are welded, and finally, the bottom plate and the two vertical plates are welded. The whole deformation of the finally obtained hinged base is very small, the welding quality is high, and the use strength of the hinged base is also improved.
In the hinged base, the reinforcing plates can be added to strengthen the connection strength between the vertical plates and the bottom plate, so that the integral use strength of the hinged base is improved.
Fig. 2 is a flowchart of another processing method of an articulated base provided by an embodiment of the present disclosure, and as can be seen with reference to fig. 2, the embodiment of the present disclosure provides a processing method of an articulated base, where the processing method includes:
S201: providing a bottom plate, two vertical plates and four rib plates, wherein each vertical plate is provided with an ear hole.
In step S201, the materials of the bottom plate, the vertical plate and the rib plate may be alloy or stainless steel. The service life is long and the cost is not too high.
Illustratively, the bottom plate, the vertical plate, and the rib plate may be obtained from a steel plate after rolling or forging. The ear holes on the riser can be obtained by machining. The acquisition of the bottom plate, the vertical plate and the rib plate is facilitated.
S202: and positioning and welding the two vertical plates onto the bottom plate, wherein the two vertical plates are parallel to each other and are perpendicular to the bottom plate.
Illustratively, tack welding two risers to a base plate may include:
marking positioning lines corresponding to the two vertical plates on the bottom plate according to a preset size, and then placing the two vertical plates on the bottom plate; after one vertical plate and the bottom plate are subjected to positioning welding, the other vertical plate and the bottom plate are subjected to positioning welding.
The positioning lines are added to facilitate the positioning of the vertical plate and the bottom plate, and the vertical plate and the bottom plate are respectively welded in a positioning mode in the follow-up process. The accuracy of the relative position of the vertical plate and the bottom plate is ensured.
Optionally, step S202 includes:
placing two vertical plates on a bottom plate, and forming a groove between the side surfaces of the vertical plates and the plate surface of the bottom plate; and positioning and welding two ends of the groove between the vertical plate and the bottom plate.
In the process of carrying out the positioning welding on the vertical plate and the bottom plate, only the two ends of the groove between the vertical plate and the bottom plate are welded, stable connection assembly between the vertical plate and the bottom plate can be ensured, initial step support is established between the vertical plate and the bottom plate, and deformation possibly occurring in the process of filling the groove with subsequent welding can be reduced.
For example, in implementations provided by the present disclosure, both tack welding and groove specific weld-full processes may employ consumable electrode gas-mixture shielded welding.
The quality of a welding bead obtained by the mixed gas shielded welding of the consumable electrode is good, and the quality of a welding bead finally obtained can be ensured.
Optionally, in the consumable electrode mixed gas shielded welding, the mixed gas proportion is 95% Ar+5% CO 2, and the gas purity is more than or equal to 99.99%.
The mixed gas is the environment, so that the quality of the finally obtained welding seam can be further improved, and the welding quality of the hinged base is improved so as to improve the use strength of the hinged base.
Illustratively, in the implementation provided by the present disclosure, the welding wire may be of the type JS80, and the diameter of the welding wire is 1.2. The welding quality is better.
Optionally, the welding parameters of the tack welding and the groove include: welding current 220-240A, welding voltage 24-26V, welding speed 35-40cm/min and gas flow 20-25L/min.
The welding parameters of the positioning welding and the groove are in the above range, the layer laying of the obtained welding bead can be controlled to be uniform, the defects and bubbles in the welding bead are fewer, and the welding bead is uniform. The processing quality of the finally obtained hinged base can be improved to improve the use strength of the hinged base.
S203: and carrying out positioning welding on the four rib plates, the two vertical plates and the bottom plate, wherein the four rib plates are respectively connected with the two vertical plates in pairs, the two rib plates positioned on each vertical plate are symmetrical about the symmetry plane of the vertical plate, and the four rib plates are positioned on the opposite surfaces of the two vertical plates.
Illustratively, S203 may include:
Marking positioning lines corresponding to the four rib plates on the bottom plate and the two vertical plates according to the preset size, and placing the four rib plates on the bottom plate, wherein the side walls of the rib plates are propped against the vertical plates; after the two rib plates propped against one vertical plate are positioned and welded, the two rib plates propped against the other vertical plate are positioned and welded.
The rib plate can be conveniently positioned by adding the positioning lines, and the accuracy of the relative positions of the vertical plate, the bottom plate and the rib plate is ensured.
Optionally, step S203 includes:
And placing the four rib plates on the bottom plate, and positioning and welding the two ends of the grooves between the rib plates and the vertical plate and between the rib plates and the bottom plate.
And the two ends of the groove between the rib plate and the vertical plate and the two ends of the groove between the rib plate and the bottom plate are positioned and welded, and initial step supports are established between the rib plate and the vertical plate and between the rib plate and the bottom plate, so that deformation possibly occurring in the process of welding the groove later can be reduced.
Optionally, the rib plate is provided with an avoidance groove at the position close to the junction of the vertical plate and the bottom plate.
The groove is avoided in the increase, so that stable welding of the groove between the bottom plate and the vertical plate can be guaranteed, the groove length between the rib plate and the vertical plate and between the rib plate and the bottom plate can be reduced, the deformation caused by welding of the rib plate can be reduced while the support is provided, and the welding quality of the hinged base is improved.
S204: two bar-shaped supporting plates are welded on each vertical plate, the two bar-shaped supporting plates are mutually spaced, and the bar-shaped supporting plates on each vertical plate are positioned on the surface of the vertical plate facing the other vertical plate.
The connection between the strip-shaped support plate and the vertical plate is a welding mode of positioning welding or groove full welding.
Optionally, two bar-shaped support plates are welded on each vertical plate, including:
the distance between the two strip-shaped supporting plates is larger than the maximum distance between the two rib plates on the vertical plate, and the two strip-shaped supporting plates are symmetrical relative to the symmetry plane of the vertical plate; two bar-shaped support plates are welded to the riser.
The distance between the two bar-shaped supporting plates is larger than the maximum distance between the two rib plates on the vertical plates, each vertical plate can be better supported by the rib plates and the bar-shaped supporting plates, and the welding quality of the obtained hinged base is improved.
Illustratively, the bar-shaped support plates may each be rectangular plates. Is convenient to obtain and has better supporting effect.
Optionally, the ratio of the length to the width of the strip-shaped supporting plate is 1:4-1:5, and the ratio of the length to the thickness of the strip-shaped supporting plate is 1:10-1:12.
The ratio of the length to the width of the strip-shaped supporting plate is in the range, the strip-shaped supporting plate is stable, the tolerance capability to acting forces from different directions is good, the deformation of the hinged base can be further reduced, and the quality and the use strength of the hinged base are improved.
Illustratively, the maximum height of the bar support plate is equal to the maximum height of the gusset.
When the rib plates are welded, the maximum height of the rib plates is supported by the vertical plates, the vertical plates can bear large concentrated force, the maximum height of the bar-shaped supporting plates is equal to the maximum height of the rib plates, the bar-shaped supporting plates can effectively disperse acting force applied to the vertical plates by the rib plates, and the possibility of deformation of the vertical plates is reduced.
Optionally, the length direction of the strip-shaped support plates are parallel to the surface of the bottom plate. The supporting effect of the strip-shaped supporting plate on the opposite plate is good.
The maximum height of the bar-shaped support plate and the maximum height of the rib plate are the maximum heights with the surface of the bottom plate in contact with the vertical plate as a reference, and the height of the surface of the bottom plate in contact with the vertical plate is zero.
The structure after step S204 is performed can be seen in fig. 3, where fig. 3 shows that the bottom plate 1, the vertical plate 2 and the rib plate 3 are assembled, and the bar-shaped support plate 4 and the vertical plate 2 are welded. The symmetry plane C of the riser is shown in fig. 3.
S205: the U-shaped supporting plate is connected with the two vertical plates, the U-shaped supporting plate is provided with two supporting holes corresponding to the earholes of the two vertical plates one by one, a positioning pin is inserted into each supporting hole and the corresponding earhole of each supporting hole, and the two vertical plates are located in the U-shaped supporting plate. One end of the locating pin is provided with a coaxial connecting plate, and the circumference of the connecting plate is provided with a plurality of connecting holes.
It should be noted that the locating pin is in transition fit with the ear hole and the supporting hole on the U-shaped supporting plate. Can play a role in positioning, and can more effectively support the vertical plate and the U-shaped supporting plate after heating.
Optionally, two sides of the U-shaped support plate parallel to the bottom plate are further provided with support protrusions, and each support protrusion is located between two adjacent rib plates.
The supporting protrusions connected with the U-shaped supporting plates between two adjacent rib plates can play a supporting role on the two rib plates, deformation possibly caused by the vertical plates and the rib plates is reduced, and welding quality of the obtained hinged base is improved.
It should be noted that the U-shaped support plate may be formed by machining or welded by an arc plate and two flat plates, which is not limited in this disclosure.
S206: a plurality of connecting bolts are used for being connected with a plurality of connecting holes one by one, so that one end of each connecting bolt is propped against the U-shaped supporting plate.
The connecting bolt is matched with the connecting hole of the locating pin, the locating pin can be propped against the U-shaped supporting plate, so that the matching between the U-shaped supporting plate and the vertical plate is controlled to be more stable, the processing quality of the finally obtained hinged base can be effectively improved, and the use strength of the hinged base is improved.
The structure after the step S206 is performed can be seen with reference to fig. 4 and 5, in which the connection between the U-shaped support plate 5, the positioning pins 6, the connecting bolts 7 and the vertical plate 2 is completed.
S207: and heating the U-shaped supporting plate, the bottom plate, the two vertical plates and the four rib plates to 100-150 ℃.
The U-shaped supporting plate, the bottom plate, the two vertical plates and the four rib plates are heated to the temperature above, so that follow-up welding can be conveniently performed, the stress of positioning welding can be released to a certain extent, and the quality of the obtained hinged base is improved.
S208: and welding four rib plates and a bottom plate.
Alternatively, four rib plates can be connected with two rib plates connected with two vertical plates, and grooves between the rib plates and the bottom plate are alternately welded two by two.
The deformation of the rib plates and the bottom plate in the welding process can be reduced, and the quality of the hinged base is improved.
S209: and welding four rib plates and two vertical plates.
In step S209, the four rib plates and the two upright plates may be welded by symmetrical and alternative welding. The present disclosure is not limited in this regard.
S210: and welding the bottom plate and the two vertical plates.
Optionally, the welding groove between the vertical plate and the bottom plate is a double-sided groove, and in step S210, welding the bottom plate and the two vertical plates includes:
Welding the inner grooves of each vertical plate and the bottom plate until 1/3 of the depth of the inner grooves is filled; performing back chipping treatment on the outer grooves of each vertical plate and the bottom plate by adopting a carbon arc gouging machine; welding the outer grooves of each vertical plate and the bottom plate to 1/3 of the depth of the outer grooves; repeating the steps until the grooves between each vertical plate and the bottom plate are welded fully.
The vertical plate and the bottom plate are welded in the mode, deformation of the vertical plate in the welding process can be effectively controlled, the surface quality of the groove before welding is guaranteed, and the quality of a finally obtained welding seam is improved so as to improve the quality of the finally obtained hinged base.
The inner groove between the vertical plate and the bottom plate refers to a groove between the same vertical plate and the bottom plate facing the other vertical plate.
Optionally, the inner groove of each vertical plate and the inner groove of the bottom plate are welded by a manipulator, and the outer groove of each vertical plate and the outer groove of the bottom plate are welded manually.
The space between the two vertical plates is smaller, the manipulator is utilized for welding, the accuracy is higher, the outside groove space is larger, and the preparation cost can be reduced by manual welding.
Illustratively, in implementations provided by the present disclosure, all welds may be welded in a multi-layer, multi-pass manner. The quality of the finally obtained welding seam can be improved.
Illustratively, the interlayer temperatures of the multi-layer, multi-pass welds are each 100-150 ℃. The quality of the welding seam can be improved. The multi-layer multi-pass welding has special effect on improving welding performance, not only can improve joint performance due to small welding line energy, but also can improve plasticity and toughness of the welded joint due to phase change recrystallization of heating zone tissues and performance caused by reheating the previous welding pass and the heat affected zone by the rear welding pass.
Optionally, welding the bottom plate with the two risers includes:
welding the bottom plate and the two vertical plates by using a mixed gas shielded welding of a melting electrode. The obtained welding seam has better quality.
S211: and eliminating welding stress by adopting vibration aging.
Can release certain welding stress, improve the quality and the use strength of the finally obtained hinged base.
The foregoing disclosure is not intended to be limited to any form of embodiment, but is not intended to limit the disclosure, and any simple modification, equivalent changes and adaptations of the embodiments according to the technical principles of the disclosure are intended to be within the scope of the disclosure, as long as the modifications or equivalent embodiments are possible using the technical principles of the disclosure without departing from the scope of the disclosure.
Claims (6)
1. A method of manufacturing an articulating base, the method comprising:
Providing a bottom plate, two vertical plates and four rib plates, wherein each vertical plate is provided with an ear hole;
Placing the two vertical plates on the bottom plate, wherein a groove is formed between the side surfaces of the vertical plates and the plate surface of the bottom plate;
Only positioning and welding two ends of a groove between the vertical plates and the bottom plate, so that the two vertical plates are positioned and welded on the bottom plate, and the two vertical plates are parallel to each other and are perpendicular to the bottom plate;
Placing four rib plates on the bottom plate, positioning and welding two ends of grooves between the rib plates and the vertical plates as well as between the rib plates and the bottom plate, so that the four rib plates are connected with the two vertical plates and the bottom plate, the four rib plates are respectively connected with the two vertical plates in pairs, the two rib plates positioned and welded on each vertical plate are symmetrical about the symmetrical plane of the vertical plate, and the four rib plates are positioned on the opposite surfaces of the two vertical plates;
Two strip-shaped supporting plates are welded on each vertical plate, so that the two strip-shaped supporting plates are mutually spaced, the distance between the two strip-shaped supporting plates is larger than the maximum distance between the two rib plates on the vertical plates, the strip-shaped supporting plates on each vertical plate are positioned on the surface of the vertical plate facing the other vertical plate, and the two strip-shaped supporting plates are symmetrical relative to the symmetry plane of the vertical plate; welding the two strip-shaped supporting plates onto the vertical plate, wherein the maximum height of the strip-shaped supporting plates is equal to that of the rib plate, the strip-shaped supporting plates are rectangular plates, the ratio of the length to the width of the strip-shaped supporting plates is 1:4-1:5, the ratio of the length to the thickness of the strip-shaped supporting plates is 1:10-1:12, and the length directions of the strip-shaped supporting plates are all parallel to the surface of the bottom plate; a welding mode of positioning welding or groove full welding is adopted between the strip-shaped supporting plate and the vertical plate;
The U-shaped supporting plate is connected with the two vertical plates, the U-shaped supporting plate is provided with two supporting holes corresponding to the lug holes of the two vertical plates one by one, a positioning pin is inserted into each supporting hole and the lug hole corresponding to each supporting hole, the two vertical plates are positioned in the U-shaped supporting plate, supporting protrusions are further arranged on two side surfaces of the U-shaped supporting plate, which are parallel to the bottom plate, and each supporting protrusion is positioned between two adjacent rib plates;
welding the four rib plates and the bottom plate;
welding the four rib plates and the two vertical plates;
and welding the bottom plate and the two vertical plates.
2. The method of claim 1, wherein one end of the positioning pin is provided with a coaxial connecting plate, and a plurality of connecting holes are formed in the circumference of the connecting plate; the processing method further comprises the following steps:
after the U-shaped supporting plate is connected with the two vertical plates, a plurality of connecting bolts are used for one-to-one connection with the plurality of connecting holes before the four rib plates are welded with the bottom plate, so that one end of each connecting bolt is propped against the U-shaped supporting plate.
3. The method of claim 1, wherein the welding groove between the vertical plate and the bottom plate is a double-sided groove, and the welding the bottom plate and the two vertical plates comprises:
Welding the inner grooves of each vertical plate and the bottom plate until 1/3 of the depth of the inner grooves is filled;
performing back chipping treatment on the outer grooves of the vertical plates and the bottom plate by adopting a carbon arc gouging machine;
Welding the outer grooves of each vertical plate and the bottom plate to 1/3 of the depth of the outer grooves;
and repeating the steps until the grooves between each vertical plate and the bottom plate are welded fully.
4. A method of manufacturing a hinged base according to claim 3, wherein each of the risers is welded to the inner bevel of the base plate by a robot and each of the risers is welded to the outer bevel of the base plate by hand.
5. The method of claim 1, wherein said welding said base plate to said two risers comprises:
And welding the bottom plate and the two vertical plates by using a consumable electrode mixed gas shielded welding.
6. The method of manufacturing a hinged base of claim 1, further comprising: after the U-shaped supporting plate is connected with the two vertical plates, before the four rib plates and the bottom plate are welded,
And heating the U-shaped supporting plate, the bottom plate, the two vertical plates and the four rib plates to 100-150 ℃.
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| CN114101865A (en) | 2022-03-01 |
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