CN111975167B - Machining method of rotary structural part - Google Patents
Machining method of rotary structural part Download PDFInfo
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- CN111975167B CN111975167B CN202010602816.7A CN202010602816A CN111975167B CN 111975167 B CN111975167 B CN 111975167B CN 202010602816 A CN202010602816 A CN 202010602816A CN 111975167 B CN111975167 B CN 111975167B
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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
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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
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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
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Abstract
The disclosure provides a processing method of a rotating structural part, which comprises the following steps: dividing a rotary structural part to be processed into a first part, a second part and a third part, wherein the first part and the third part respectively comprise a cylinder core, a circular ring side plate and a rib plate, and the second part comprises a cylinder body and a circular ring partition plate; sleeving and installing the circular ring side plate on the outer peripheral wall of the cylinder core, and fixedly connecting two side edges of the rib plate with the cylinder core and the circular ring side plate respectively to form a first part and a third part by processing; coaxially installing one end of the cylinder on the circular side plate of the first component on the basis of the first component, and controlling the cylinder core and the cylinder of the first component to be respectively positioned at two opposite sides of the circular side plate of the first component; the circular partition plate is sleeved on the outer peripheral wall of the cylinder body; and the circular side plate of the third component is coaxially arranged on the other end of the cylinder by taking the other end of the cylinder as a reference. The processing quality and the processing efficiency of the rotary structural part can be improved.
Description
Technical Field
The disclosure relates to the technical field of workpiece machining, in particular to a machining method of a rotary structural part.
Background
The rotating structural member refers to a processing object in a machining process, and the rotating structural member is mostly a revolving body structure, such as a cylinder, a circular ring structure, and the like. The rotating structural member may be a single rotating body or a combination of a plurality of rotating bodies. The rotary structure member is a single part which can not be disassembled in mechanical equipment and is a basic component unit of the mechanical equipment.
In the related art, most of the rotating structural parts are cast and formed, and the reinforcing rib plates are welded on the rotating structural parts by adopting a welding method of manual gas shielded welding so as to improve the strength of the rotating structural parts. However, the casting process is prone to have defects such as sand holes and cracks, so that the quality of the rotary structural member manufactured by the method is poor, and the quality of the workpiece is often improved by manual grinding.
Disclosure of Invention
The embodiment of the disclosure provides a processing method of a rotating structural part, which can improve the processing quality and the processing efficiency of the rotating structural part. The technical scheme is as follows:
the embodiment of the disclosure provides a processing method of a rotating structural part, which comprises the following steps: dividing a rotary structural part to be processed into a first part, a second part and a third part, wherein the first part and the third part respectively comprise a cylinder core, a circular ring side plate and a rib plate, and the second part comprises a cylinder body and a circular ring partition plate; sleeving the circular ring side plate on the outer peripheral wall of the cylinder core, and fixedly connecting two side edges of the rib plate with the cylinder core and the circular ring side plate respectively to form the first part and the third part by processing; coaxially installing one end of the cylinder on the circular side plate of the first component based on the first component, and controlling the cylinder core and the cylinder of the first component to be respectively positioned at two opposite sides of the circular side plate of the first component; sleeving the circular partition plate on the outer peripheral wall of the cylinder; and coaxially installing the circular side plate of the third component at the other end of the cylinder by taking the other end of the cylinder as a reference, and controlling the cylinder core of the third component and the cylinder to be respectively positioned at two opposite sides of the circular side plate of the third component.
In one implementation manner of the embodiment of the present disclosure, the installing the annular side plate on the outer circumferential wall of the barrel core in a sleeving manner includes: the circular ring side plate is coaxially sleeved on the cylinder core by adopting a concentric positioning device; the coaxial installation of the one end of barrel on the ring curb plate of first part includes: adopting a concentric positioning device to coaxially install one end of the cylinder on the circular side plate of the first component; the coaxially mounting the circular ring side plate of the third component on the other end of the cylinder body comprises: a concentric positioning device is adopted to coaxially install the circular side plate of the third component on the other end of the cylinder body; the concentric positioning device comprises: location axle, locating plate and three supporting ring board, it is three the coaxial cover of supporting ring board is located epaxial, and three the supporting ring board interval is arranged, every all be equipped with a plurality of circumference on the periphery wall of supporting ring board and arrange the locating plate, the locating plate with the connection can be dismantled to the supporting ring board, a side of locating plate is the circular arc side.
In another implementation manner of the embodiment of the present disclosure, the coaxially sleeving the circular ring side plate on the barrel core by using a concentric positioning device includes: vertically placing the positioning shaft; hooping the circular ring side plate to the shaft body of the positioning shaft from one end of the positioning shaft, and controlling one supporting ring plate to be positioned in the circular ring side plate; the positioning plate is arranged on the supporting ring plate, so that the arc side edge of the positioning plate is tightly tensioned on the inner wall of the cylinder core; horizontally placing the positioning shaft; hooping the circular side plate from one end of the positioning shaft to the outer peripheral wall of the barrel core; and the circular ring side plates and the cylinder core are welded and fixed on two sides of the circular ring side plates respectively.
In another implementation manner of the embodiment of the present disclosure, the welding and fixing the circular ring side plate and the barrel core includes: controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core to form a first layer of welding seam, wherein the first layer of welding seam comprises a welding bead; controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core, and forming a second layer of welding seam on the first layer of welding seam, wherein the second layer of welding seam comprises two welding beads; controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core, and forming a third layer of welding seam on the second layer of welding seam, wherein the third layer of welding seam comprises three welding beads; when the first layer of welding seam is formed, the welding form is single wire welding pulse, the welding current is 160A-180A, the arc voltage is 24V-26V, the welding speed is 38 cm/min-42 cm/min, when the second layer of welding seam and the third layer of welding seam are formed, the welding form is double wire welding, the front wire of the double wire welding adopts a pulse welding mode, the welding current is 250A-290A, the arc voltage is 26V-30V, the welding speed is 43 cm/min-47 cm/min, the rear wire of the double wire welding adopts a cold metal transition welding mode, the welding current is 220A-240A, the arc voltage is 18V-20V, and the welding speed is 43 cm/min-47 cm/min.
In another implementation manner of the embodiment of the present disclosure, the coaxially installing one end of the cylinder on the circular side plate of the first component includes: vertically placing the positioning shaft; hooping the cylinder body onto the shaft body of the positioning shaft from one end of the positioning shaft, enabling one end of the cylinder body to abut against the circular ring side plate of the first component, and controlling one supporting ring plate to be located in the circular ring side plate; the positioning plate is arranged on the supporting ring plate, so that the arc side edge of the positioning plate is tightly tensioned on the inner wall of the cylinder body; and welding and fixing the circular ring side plate and the cylinder body.
In another implementation manner of the embodiment of the present disclosure, the welding and fixing the circular ring side plate and the cylinder includes: forming a single-side groove on the end face of the cylinder; controlling a welding gun to weld along the circumferential direction of the single-side groove to form a first layer of welding line, wherein the first layer of welding line comprises a welding bead; controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a second layer of welding seam on the first layer of welding seam, wherein the second layer of welding seam comprises two welding beads; controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a third layer of welding seam on the second layer of welding seam, wherein the third layer of welding seam comprises two welding beads; controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a fourth layer of welding seam on the third layer of welding seam, wherein the fourth layer of welding seam comprises two welding beads; controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a fifth layer welding seam on the fourth layer welding seam, wherein the fifth layer welding seam comprises two welding beads; when the first layer of welding seam is formed, the welding form is single wire welding pulse, the welding current is 160A to 180A, the arc voltage is 24V to 26V, the welding speed is 38cm/min to 42cm/min, when the second layer of welding seam, the third layer of welding seam, the fourth layer of welding seam and the fifth layer of welding seam are formed, the welding form is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 250A to 290A, the arc voltage is 26V to 30V, the welding speed is 43cm/min to 47cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 220A to 240A, the arc voltage is 18V to 20V, and the welding speed is 43cm/min to 47 cm/min.
In another implementation manner of the embodiment of the present disclosure, the coaxially mounting the annular side plate of the third component on the other end of the cylinder includes: vertically placing the positioning shaft; hooping the processed third component onto the shaft body of the positioning shaft from one end of the positioning shaft, enabling the circular ring side plate of the third component to be abutted against the other end of the cylinder body, and controlling one supporting ring plate to be located in the cylinder core of the third component; the positioning plate is arranged on the supporting ring plate, so that the arc side edge of the positioning plate is tightly tensioned with the inner wall of the cylinder core of the third component; and welding and fixing the circular ring side plate of the third component and the cylinder.
In another implementation manner of the embodiment of the present disclosure, the installing the annular partition plate on the outer circumferential wall of the cylinder in a sleeving manner includes: horizontally placing the positioning shaft; hooping the annular partition plate from one end of the positioning shaft to the outer peripheral wall of the barrel; and the circular ring partition plate and the cylinder are welded and fixed on two sides of the circular ring partition plate respectively.
In another implementation manner of the embodiment of the present disclosure, the welding and fixing the annular partition plate and the cylinder includes: and controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder body, forming a welding seam at the joint of the circular ring partition plate and the cylinder body, wherein the welding form is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 270A-290A, the arc voltage is 28V-30V, the welding speed is 40 cm/min-42 cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 250A A, the arc voltage is 20V-22V, and the welding speed is 38 cm/min-40 cm/min.
In another implementation manner of the embodiment of the present disclosure, the installing the annular partition plate on the outer circumferential wall of the cylinder in a sleeving manner includes: the circular ring partition plate is sleeved on the outer peripheral wall of the barrel body through the support plate, a first positioning support groove and a second positioning support groove which are arranged at intervals are formed in the same plate surface of the support plate, the first positioning support groove is used for clamping the circular ring side plate, and the second positioning support groove is used for clamping the circular ring partition plate.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
the embodiment of the disclosure divides a rotating structural part to be processed into three parts, namely a first part, a second part and a third part, and the three parts are respectively and independently processed and molded.
The specific processing process for processing the first component and the second component can be that the circular ring side plate is sleeved on the outer peripheral wall of the cylinder core, and two side edges of the rib plate are fixedly connected with the cylinder core and the circular ring side plate respectively so as to process and form the first component and the third component. The dividing mode divides the same area in the rotating structure into single parts, such as the first part and the third part, so that the processing technology of different parts can be unified, and the rapid programmed processing production is facilitated; meanwhile, the rotary structural part is divided into simpler single parts as much as possible, and the machining is conveniently and quickly completed.
Meanwhile, when the second component is processed, one end of the cylinder is coaxially arranged on the circular side plate of the first component by taking the first component as a reference, and the cylinder core and the cylinder of the first component are controlled to be respectively positioned at two opposite sides of the circular side plate of the first component. Therefore, compared with a mode of completely and independently processing and manufacturing the second component and then transferring the second component, the processing mode has the advantages that in the process of processing the second component, the cylinder body in the second component and the circular ring side plate in the first component are coaxially assembled, and then the circular ring partition plate in the second component is coaxially assembled on the cylinder body, so that all parts in the second component always keep coaxial position relation with the first component, and the assembly accuracy between the first component and the second component is ensured.
And finally, taking the other end of the cylinder as a reference, coaxially installing the circular side plate of the third component on the other end of the cylinder, and controlling the cylinder core and the cylinder of the third component to be respectively positioned at two opposite sides of the circular side plate of the third component. Therefore, the processing mode of splicing and combining the previous component can effectively ensure that the first component, the second component and the third component are always in a coaxial position relation so as to ensure the processing quality of the processed rotary structural part.
The embodiment of the disclosure divides the rotating structural member to be processed into three parts, and separately processes and forms the three parts, and then sequentially folds and splices the three parts together to complete the processing of the rotating structural member, thereby avoiding the processing mode of casting and forming in the related technology and improving the processing quality and the processing efficiency of the rotating structural member.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a flow chart of a method for machining a rotating structural member according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a rotary structure according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a concentric positioning device provided in an embodiment of the present disclosure;
FIG. 4 is a schematic view of a concentric positioning apparatus positioning a first component according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a weld of a ring side plate and a can core provided by an embodiment of the present disclosure;
FIG. 6 is a schematic illustration of a rib plate positioning provided by an embodiment of the present disclosure;
FIG. 7 is a schematic view of a concentric positioning device positioning cylinder provided by an embodiment of the present disclosure;
FIG. 8 is a schematic view of a weld of a circular side plate and a cylinder provided in an embodiment of the present disclosure
FIG. 9 is a schematic view of a positioning of a circular ring spacer according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method for machining a rotating structural member according to an embodiment of the present disclosure. As shown in fig. 1, the processing method includes:
step S1: the rotating structural member to be machined is divided into a first part a, a second part B and a third part C.
Fig. 2 is a schematic structural diagram of a rotating structural member according to an embodiment of the present disclosure. As shown in FIG. 2, the first part A and the third part C in the rotary structural part each comprise a cylinder core 11, a circular side plate 12 and a rib plate 13, and the second part B comprises a cylinder 21 and a circular partition plate 22.
As shown in fig. 2, the circular side plate 12 is coaxially sleeved on the cylinder core 11, and two side edges connected to the rib plate 13 are respectively connected to the circular side plate 12 and the outer peripheral wall of the cylinder core 11.
Wherein, each cylinder core 11 can be provided with a plurality of rib plates 13 arranged at intervals in the circumferential direction. In the embodiment of the disclosure, four rib plates 13 are arranged on each drum core 11, and the arrangement interval of each rib plate 13 is 90 degrees.
Step S2: and sleeving the circular ring side plate 12 on the outer peripheral wall of the cylinder core 11, fixedly connecting two side edges of the rib plate 13 with the cylinder core 11 and the circular ring side plate 12 respectively, and processing to form a first part A and a third part C.
Step S3: one end of the cylinder 21 is coaxially mounted on the circular side plate 12 of the first component A based on the first component A, and the cylinder core 11 and the cylinder 21 of the first component A are controlled to be respectively positioned at two opposite sides of the circular side plate 12 of the first component A.
Step S4: the annular partition plate 22 is fitted around the outer peripheral wall of the cylinder 21.
Step S5: the circular ring side plate 12 of the third component C is coaxially arranged on the other end of the cylinder 21 by taking the other end of the cylinder 21 as a reference, and the cylinder core 11 and the cylinder 21 of the third component C are controlled to be respectively positioned on two opposite sides of the circular ring side plate 12 of the third component C.
The embodiment of the disclosure divides a rotating structural part to be processed into three parts, namely a first part A, a second part B and a third part C, and the three parts are respectively and independently processed and molded.
The specific processing procedure for processing the first part a and the second part B may be to form the first part a and the third part C by sleeving the circular side plate 12 on the outer circumferential wall of the cylinder core 11 and fixedly connecting two side edges of the rib plate 13 with the cylinder core 11 and the circular side plate 12, respectively. The dividing mode divides the same area in the rotating structure into single parts, such as a first part A and a third part C, so that the processing technologies of different parts can be unified, and the rapid programmed processing production is facilitated; meanwhile, the rotary structural part is divided into simpler single parts as much as possible, and the machining is conveniently and quickly completed.
Meanwhile, when the second component B is processed, one end of the cylinder 21 is coaxially mounted on the annular side plate 12 of the first component a with reference to the first component a, and the cylinder core 11 and the cylinder 21 of the first component a are controlled to be respectively positioned at two opposite sides of the annular side plate 12 of the first component a. Compared with the mode of completely and independently processing and manufacturing the second component B and then transferring, the processing mode has the advantages that in the process of processing the second component B, the cylinder 21 in the second component B and the circular ring side plate 12 in the first component A are coaxially assembled, and then the circular ring partition plate 22 in the second component B is coaxially assembled on the cylinder 21, so that all parts in the second component B always keep coaxial position relation with the first component A, and the assembling accuracy between the first component A and the second component B is guaranteed.
Finally, the circular ring side plate 12 of the third component C is coaxially mounted on the other end of the cylinder 21 with reference to the other end of the cylinder 21, and the cylinder core 11 and the cylinder 21 of the third component C are controlled to be respectively positioned on the opposite sides of the circular ring side plate 12 of the third component C. Therefore, the processing mode of splicing and combining the previous component can effectively ensure that the first component A, the second component B and the third component C always keep coaxial position relation to ensure the processing quality of the processed and formed rotating structural part.
This disclosed embodiment is through dividing the rotating structure spare of treating processing into three parts to with three parts independent machine-shaping respectively, fold in proper order again three parts and splice together, in order to accomplish rotating structure spare's processing, avoid casting fashioned processing methods among the correlation technique, can improve rotating structure spare's processingquality and machining efficiency.
Fig. 3 is a schematic structural diagram of a concentric positioning device according to an embodiment of the present disclosure. As shown in fig. 3, the concentric positioning apparatus includes: location axle 31, locating plate 32 and three supporting ring board 33, three supporting ring board 33 coaxial cover are located on location axle 31, and three supporting ring board 33 interval is arranged, all is equipped with the locating plate 32 that a plurality of circumference were arranged on every supporting ring board 33's the periphery wall, and locating plate 32 can be dismantled with supporting ring board 33 and be connected, and a side of locating plate 32 is circular arc side 30.
As shown in fig. 3, four positioning plates 32 are provided on the outer peripheral wall of each support ring plate 33, and each positioning plate 32 is arranged at intervals of 90 degrees. The positioning plates 32 uniformly distributed in the circumferential direction are arranged to support the inner wall surfaces of the rotating structures (such as the cylinder core 11 and the cylinder body 21), so that the stress of the rotating structures is more uniform, the positioning plates 32 can fully tension the rotating structures, and the coaxial position relationship between the tensioned rotating structures and the positioning shafts 31 is ensured.
Optionally, there may be a plurality of positioning plates 32, and the arc diameter of the arc side 30 of each different positioning plate 32 is different, so that the positioning plate 32 can support the rotation structures with different inner diameters, thereby improving the applicability.
As shown in fig. 3, the positioning plate 32 and the supporting ring plate 33 are connected together by bolts and nuts, so that the positioning plate 32 with different sizes can be conveniently replaced on the supporting ring plate 33, and the use is convenient.
In the embodiment of the present disclosure, the concentric positioning device may be used for coaxial positioning of the circular ring side plate 12 and the cylinder 21.
For example, the fitting of the annular side plate 12 on the outer circumferential wall of the barrel core 11 may include: the circular ring side plate 12 is coaxially sleeved on the cylinder core 11 by adopting a concentric positioning device.
Fig. 4 is a schematic diagram of a concentric positioning device positioning a first component according to an embodiment of the disclosure. As shown in fig. 4, the specific positioning process may include the following steps:
in a first step, the positioning shaft 31 is vertically placed.
In the second step, the circular ring side plate 12 is hooped from one end of the positioning shaft 31 to the shaft body of the positioning shaft 31, and a supporting ring plate 33 is controlled to be positioned in the circular ring side plate 12.
Thirdly, mounting a positioning plate 32 on a supporting ring plate 33, so that the arc side edge 30 of the positioning plate 32 tightly stretches the inner wall of the cylinder core 11;
in the fourth step, the positioning shaft 31 is horizontally placed.
Fifthly, the circular ring side plate 12 is hooped to the outer circumferential wall of the barrel core 11 from one end of the positioning shaft 31.
And sixthly, welding and fixing the circular ring side plate 12 and the cylinder core 11 at two sides of the circular ring side plate 12 respectively.
In the above implementation manner, the barrel core 11 may be placed on the assembly platform as shown in fig. 4, the lower part of the barrel core is supported by a pad block with a high iron, and the end of the positioning shaft 31 without lifting lugs is inserted into the barrel core 11; then, 4 positioning plates 32 are mounted on the outer peripheral wall of the support ring plate 33, and the positioning plates 32 are locked with the support ring plate 33 using bolts to position the barrel core 11 on the positioning shaft 31. And then clamping the end without lifting lugs for clamping the positioning shaft 31 on a positioner, namely horizontally clamping and displacing the positioning shaft 31 on the positioner. Then the side plates are installed, the gap between the circular ring side plate 12 and the barrel core 11 is checked through a detection tool, if the gap is not larger than 1mm, the assembly is qualified, and if the gap exceeds 1mm, the assembly is carried out again.
In the embodiment of the present disclosure, before welding the circular ring side plate 12 and the cylinder core 11, concentricity of the cylinder core 11 and the circular ring side plate 12 may be corrected to ensure root penetration of a weld and consistency of weld reinforcement at each position of the circumference.
The correction process may include: moving the operation arm of the welding robot to the side of the welding seam between the circular ring side plate 12 to be welded and the cylinder core 11, adjusting the elongation of the welding wire of the welding gun to enable the welding wire of the welding gun to vertically contact the upper surface of the cylinder core 11, and recording the distance D between the end part of the welding gun and the upper surface of the cylinder core 11. The control positioner drives the positioning shaft 31 to rotate automatically, and the distance D is recorded once without rotating. If the distances D are not more than 1mm, the concentricity of the cylinder core 11 and the positioning shaft 31 is qualified, and if the distances D exceed 1mm, the concentricity of the cylinder core 11 and the positioning shaft 31 is unqualified.
FIG. 5 is a schematic view of a weld of a circular ring side plate and a can core provided by an embodiment of the disclosure. As shown in fig. 5, the welding and fixing of the ring-shaped side plate 12 and the barrel core 11 may include: controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core 11 to form a first layer of welding seam, wherein the first layer of welding seam comprises a welding bead; controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core 11, and forming a second layer of welding seam on the first layer of welding seam, wherein the second layer of welding seam comprises two welding beads; and controlling the welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core 11, and forming a third layer of welding seam on the second layer of welding seam, wherein the third layer of welding seam comprises three welding passes.
The welding method comprises the following steps of forming a first layer of welding seam, wherein the welding form is single-wire welding pulse, the welding current is 160A-180A, the arc voltage is 24V-26V, the welding speed is 38 cm/min-42 cm/min, when a second layer of welding seam and a third layer of welding seam are formed, the welding form is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 250A-290A, the arc voltage is 26V-30V, the welding speed is 43 cm/min-47 cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 220A-240A, the arc voltage is 18V-20V, and the welding speed is 43 cm/min-47 cm/min.
In the welding process, the inclination of the welding gun is adjusted to be 45 degrees, the welding wire of the welding gun is extended by 15mm, and the end part of the welding wire just contacts the root part of the welding seam. After the posture of the welding gun is adjusted to be qualified, setting a program to fix the welding gun, adjusting the positioner to rotate at a constant speed, and setting the rotating speed to be 6 degrees per second; in order to avoid the unfused at the root of the welding seam of the circular side plate 12, the stress concentration is reduced. In the embodiment of the present disclosure, when welding the first layer of welding seams, the welding mode is a single wire welding pulse, and the welding process parameters of the first layer of welding seams are as shown in table 1 below:
TABLE 1
The process parameters for welding the second and third layers of welding seams are shown in the following table 2:
TABLE 2
Alternatively, as shown in fig. 6, when the rib plate 13 is assembled, the rib plate 13 is fixed by using the E-shaped plate 4, and the plate thickness is the same as that of the rib plate 13 in order to prevent the E-shaped plate 4 from interfering with the welding gun trajectory. And then positioning and welding the fixed rib plates 13, wherein the positioning and welding positions are positioned in the middle of one side of each rib plate 13 and one side of the circular ring side plate 12, the positioning and welding positions of 4 rib plates 13 are positioned on the same side, the positioning and welding length is 20mm to 30mm, and the welding height is 4mm to 5 mm.
In the embodiment of the disclosure, the rib plate 13 is fixed on the cylinder core 11 and the circular ring side plate 12 by welding. During welding, the rib plate 13 to be welded is rotated to a horizontal position, and the center of the welding gun is adjusted to form a 45-degree angle with the surface of the rib plate 13. The initial point of welding is the welding seam at the edge of the rib plate 13 and the arc side plate, the final point is the welding seam at the edge of the rib plate 13 and the cylinder core 11, and the welding parameters are as shown in the following table 3:
TABLE 3
Exemplarily, the coaxially mounting of the one end of the cylinder 21 on the circular ring side plate 12 of the first member a includes: one end of the cylinder 21 is coaxially mounted on the annular side plate 12 of the first part a using a concentric positioning means.
In the foregoing implementation, the specific positioning process may include the following steps:
in a first step, the positioning shaft 31 is vertically placed.
Secondly, the cylinder 21 is hooped onto the shaft body of the positioning shaft 31 from one end of the positioning shaft 31, one end of the cylinder 21 is abutted against the circular ring side plate 12 of the first component A, and a supporting ring plate 33 is controlled to be positioned in the circular ring side plate 12.
Thirdly, a positioning plate 32 is mounted on the supporting ring plate 33, so that the arc-shaped side edge 30 of the positioning plate 32 is tightly stretched on the inner wall of the cylinder 21.
Fourthly, welding and fixing the circular ring side plate 12 and the cylinder 21.
In the above embodiment, the cylinder 21 may be placed on the mounting platform as shown in fig. 7, and the cylinder core 11 of the first member a may be supported by a pad made of a high-iron material. The cylinder 21 is vertically hung in the positioning shaft 31 and is installed and positioned on the loading support ring plate 33.
Fig. 8 is a schematic view of a weld of a circular ring side plate and a cylinder provided in an embodiment of the present disclosure, and as shown in fig. 8, the welding and fixing of the circular ring side plate 12 and the cylinder 21 includes: forming a single-side groove on the end surface of the cylinder 21; controlling a welding gun to weld along the circumferential direction of the single-side groove to form a first layer of welding line, wherein the first layer of welding line comprises a welding bead; controlling a welding gun to weld along the circumferential direction of the single-side groove, and forming a second layer of welding seam on the first layer of welding seam, wherein the second layer of welding seam comprises two welding beads; controlling a welding gun to weld along the circumferential direction of the single-side groove, and forming a third layer of welding seam on the second layer of welding seam, wherein the third layer of welding seam comprises two welding beads; controlling a welding gun to weld along the circumferential direction of the single-side groove, and forming a fourth layer of welding seam on the third layer of welding seam, wherein the fourth layer of welding seam comprises two welding beads; and controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a fifth layer welding seam on the fourth layer welding seam, wherein the fifth layer welding seam comprises two welding beads.
Wherein, when the first layer of welding seam is formed, the welding form is monofilament welding pulse, the welding current is 160A to 180A, the arc voltage is 24V to 26V, and the welding speed is 38cm/min to 42 cm/min. When a second layer welding seam, a third layer welding seam, a fourth layer welding seam and a fifth layer welding seam are formed, the welding mode is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 250A to 290A, the arc voltage is 26V to 30V, the welding speed is 43cm/min to 47cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 220A to 240A, the arc voltage is 18V to 20V, and the welding speed is 43cm/min to 47 cm/min.
In the welding process, the inclination of the welding gun is adjusted to be 45 degrees, the welding wire of the welding gun is extended by 15mm, and the end part of the welding wire just contacts the root part of the welding seam. After the posture of the welding gun is adjusted to be qualified, setting a program to fix the welding gun, adjusting the positioner to rotate at a constant speed, and setting the rotating speed to be 5 degrees per second; in order to avoid the unfused at the root of the welding seam of the circular side plate 12, the stress concentration is reduced. In the embodiment of the present disclosure, when welding the first layer of welding seams, the welding mode is a single wire welding pulse, and the welding process parameters of the first layer of welding seams are as shown in table 1 above. The process parameters for welding the second, third, fourth and fifth layer welds are shown in table 2 above.
Illustratively, coaxially mounting the annular side plate 12 of the third member C on the other end of the cylinder 21 includes: the annular side plate 12 of the third component C is coaxially mounted on the other end of the cylinder 21 using a concentric positioning means.
In the foregoing implementation, the specific positioning process may include the following steps:
firstly, vertically placing a positioning shaft 31;
and secondly, hooping the processed third component C onto the shaft body of the positioning shaft 31 from one end of the positioning shaft 31, enabling the circular ring side plate 12 of the third component C to be abutted against the other end of the cylinder body 21, and controlling a supporting ring plate 33 to be positioned in the cylinder core 11 of the third component C.
Thirdly, the positioning plate 32 is mounted on the supporting ring plate 33, so that the arc-shaped side edge 30 of the positioning plate 32 tightly presses the inner wall of the cylinder core 11 of the third component C.
And fourthly, welding and fixing the circular ring side plate 12 and the cylinder 21 of the third component C.
The welding mode of the arc-shaped side plate of the third component C and the cylinder 21 is the same as the welding mode of the arc-shaped side plate of the first component a and the cylinder 21, which is not described in detail in this embodiment.
Optionally, the first step is established the annular baffle 22 cover and is installed including on the periphery wall of barrel 21: the positioning shaft 31 is horizontally placed; the annular partition plate 22 is hooped to the outer peripheral wall of the cylinder 21 from one end of the positioning shaft 31; the circular ring partition plate 22 and the cylinder 21 are welded and fixed on two sides of the circular ring partition plate 22 respectively.
Wherein, include to ring baffle 22 and barrel 21 welded fastening: and controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder 21 to form a welding seam at the joint of the annular partition plate 22 and the cylinder 21, wherein the welding form is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 270A to 290A, the arc voltage is 28V to 30V, the welding speed is 40cm/min to 42cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 250A A, the arc voltage is 20V to 22V, and the welding speed is 38cm/min to 40 cm/min.
In the welding process, the rotating speed is 5 degrees per second, and the welding parameters when welding the welding seams at the two sides of the partition plate are shown in the following table 4:
TABLE 4
Alternatively, as shown in fig. 9, the fitting of the annular partition 22 on the outer circumferential wall of the cylinder 21 includes: the circular ring partition plate 22 is sleeved on the outer peripheral wall of the cylinder 21 by the support plate 5, the same plate surface of the support plate 5 is provided with a first positioning support groove 51 and a second positioning support groove 52 which are arranged at intervals, the first positioning support groove 51 is used for clamping the circular ring side plate 12, and the second positioning support groove 52 is used for clamping the circular ring partition plate 22.
Although the present disclosure has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the disclosure.
Claims (10)
1. A method of machining a rotating structural member, the method comprising:
dividing a rotary structural part to be processed into a first part, a second part and a third part, wherein the first part and the third part respectively comprise a cylinder core, a circular ring side plate and a rib plate, and the second part comprises a cylinder body and a circular ring partition plate;
sleeving the circular ring side plate on the outer peripheral wall of the cylinder core, and fixedly connecting two side edges of the rib plate with the cylinder core and the circular ring side plate respectively to form the first part and the third part by processing;
coaxially installing one end of the cylinder on the circular side plate of the first component based on the first component, and controlling the cylinder core and the cylinder of the first component to be respectively positioned at two opposite sides of the circular side plate of the first component;
sleeving the circular partition plate on the outer peripheral wall of the cylinder;
and coaxially installing the circular side plate of the third component at the other end of the cylinder by taking the other end of the cylinder as a reference, and controlling the cylinder core of the third component and the cylinder to be respectively positioned at two opposite sides of the circular side plate of the third component.
2. The processing method according to claim 1, wherein said fitting the annular side plate on the outer peripheral wall of the barrel core comprises:
the circular ring side plate is coaxially sleeved on the cylinder core by adopting a concentric positioning device;
the coaxial installation of the one end of barrel on the ring curb plate of first part includes:
adopting a concentric positioning device to coaxially install one end of the cylinder on the circular side plate of the first component;
the coaxially mounting the circular ring side plate of the third component on the other end of the cylinder body comprises:
a concentric positioning device is adopted to coaxially install the circular side plate of the third component on the other end of the cylinder body;
the concentric positioning device comprises: location axle, locating plate and three supporting ring board, it is three the coaxial cover of supporting ring board is located epaxial, and three the supporting ring board interval is arranged, every all be equipped with a plurality of circumference on the periphery wall of supporting ring board and arrange the locating plate, the locating plate with the connection can be dismantled to the supporting ring board, a side of locating plate is the circular arc side.
3. The machining method according to claim 2, wherein the coaxially sleeving the circular ring side plate on the barrel core by using the concentric positioning device comprises the following steps:
vertically placing the positioning shaft;
hooping the circular ring side plate to the shaft body of the positioning shaft from one end of the positioning shaft, and controlling one supporting ring plate to be positioned in the circular ring side plate;
the positioning plate is arranged on the supporting ring plate, so that the arc side edge of the positioning plate is tightly tensioned on the inner wall of the cylinder core;
horizontally placing the positioning shaft;
hooping the circular side plate from one end of the positioning shaft to the outer peripheral wall of the barrel core;
and the circular ring side plates and the cylinder core are welded and fixed on two sides of the circular ring side plates respectively.
4. The machining method according to claim 3, wherein the welding and fixing of the annular side plate and the barrel core comprises:
controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core to form a first layer of welding seam, wherein the first layer of welding seam comprises a welding bead;
controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core, and forming a second layer of welding seam on the first layer of welding seam, wherein the second layer of welding seam comprises two welding beads;
controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder core, and forming a third layer of welding seam on the second layer of welding seam, wherein the third layer of welding seam comprises three welding beads;
when the first layer of welding seam is formed, the welding form is monofilament welding pulse, the welding current is 160A to 180A, the arc voltage is 24V to 26V, the welding speed is 38cm/min to 42cm/min,
when the second layer welding seam and the third layer welding seam are formed, the welding mode is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 250A to 290A, the arc voltage is 26V to 30V, the welding speed is 43cm/min to 47cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 220A to 240A, the arc voltage is 18V to 20V, and the welding speed is 43cm/min to 47 cm/min.
5. The method of claim 3, wherein said coaxially mounting one end of said barrel to said annular side plate of said first member comprises:
vertically placing the positioning shaft;
hooping the cylinder body onto the shaft body of the positioning shaft from one end of the positioning shaft, enabling one end of the cylinder body to abut against the circular ring side plate of the first component, and controlling one supporting ring plate to be located in the circular ring side plate;
the positioning plate is arranged on the supporting ring plate, so that the arc side edge of the positioning plate is tightly tensioned on the inner wall of the cylinder body;
and welding and fixing the circular ring side plate and the cylinder body.
6. The machining method according to claim 5, wherein the welding and fixing the circular ring side plate and the cylinder body comprises:
forming a single-side groove on the end face of the cylinder;
controlling a welding gun to weld along the circumferential direction of the single-side groove to form a first layer of welding line, wherein the first layer of welding line comprises a welding bead;
controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a second layer of welding seam on the first layer of welding seam, wherein the second layer of welding seam comprises two welding beads;
controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a third layer of welding seam on the second layer of welding seam, wherein the third layer of welding seam comprises two welding beads;
controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a fourth layer of welding seam on the third layer of welding seam, wherein the fourth layer of welding seam comprises two welding beads;
controlling a welding gun to weld along the circumferential direction of the single-face groove, and forming a fifth layer welding seam on the fourth layer welding seam, wherein the fifth layer welding seam comprises two welding beads;
when the first layer of welding seam is formed, the welding form is monofilament welding pulse, the welding current is 160A to 180A, the arc voltage is 24V to 26V, the welding speed is 38cm/min to 42cm/min,
when the second layer of welding seam, the third layer of welding seam, the fourth layer of welding seam and the fifth layer of welding seam are formed, the welding mode is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 250A to 290A, the arc voltage is 26V to 30V, the welding speed is 43cm/min to 47cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 220A to 240A, the arc voltage is 18V to 20V, and the welding speed is 43cm/min to 47 cm/min.
7. The method of claim 3, wherein said coaxially mounting the annular side plate of the third member to the other end of the cylinder comprises:
vertically placing the positioning shaft;
hooping the processed third component onto the shaft body of the positioning shaft from one end of the positioning shaft, enabling the circular ring side plate of the third component to be abutted against the other end of the cylinder body, and controlling one supporting ring plate to be located in the cylinder core of the third component;
the positioning plate is arranged on the supporting ring plate, so that the arc side edge of the positioning plate is tightly tensioned with the inner wall of the cylinder core of the third component;
and welding and fixing the circular ring side plate of the third component and the cylinder.
8. The method as claimed in claim 3, wherein said fitting said annular partition on the peripheral wall of said cylindrical body comprises:
horizontally placing the positioning shaft;
hooping the annular partition plate from one end of the positioning shaft to the outer peripheral wall of the barrel;
and the circular ring partition plate and the cylinder are welded and fixed on two sides of the circular ring partition plate respectively.
9. The method of claim 8, wherein said welding said annular partition to said barrel comprises:
and controlling a welding gun to weld along the circumferential direction of the outer circumferential wall of the cylinder body, forming a welding seam at the joint of the circular ring partition plate and the cylinder body, wherein the welding form is double-wire welding, the front wire of the double-wire welding adopts a pulse welding mode, the welding current is 270A-290A, the arc voltage is 28V-30V, the welding speed is 40 cm/min-42 cm/min, the rear wire of the double-wire welding adopts a cold metal transition welding mode, the welding current is 250A A, the arc voltage is 20V-22V, and the welding speed is 38 cm/min-40 cm/min.
10. The process of any one of claims 1 to 9, wherein said fitting of said annular partition on the peripheral wall of said cylindrical body comprises:
the circular ring partition plate is sleeved on the outer peripheral wall of the barrel body through the support plate, a first positioning support groove and a second positioning support groove which are arranged at intervals are formed in the same plate surface of the support plate, the first positioning support groove is used for clamping the circular ring side plate, and the second positioning support groove is used for clamping the circular ring partition plate.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904371A (en) * | 2012-10-24 | 2013-01-30 | 江苏兆胜空调有限公司 | Novel low temperature rising water-cooling stator engine base and welding method thereof |
| CN109986265A (en) * | 2019-03-21 | 2019-07-09 | 福建南方路面机械有限公司 | A kind of butt welding process for welding positioning tool and sand making machine staving of sand making machine staving |
| CN110370187A (en) * | 2019-05-30 | 2019-10-25 | 武汉船用机械有限责任公司 | The secondary process tooling and processing method of diffuser |
| CN110539096A (en) * | 2019-07-16 | 2019-12-06 | 武汉船用机械有限责任公司 | method for manufacturing roller structural member |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6470994B2 (en) * | 2015-02-17 | 2019-02-13 | 株式会社東芝 | Core barrel manufacturing method and core barrel |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904371A (en) * | 2012-10-24 | 2013-01-30 | 江苏兆胜空调有限公司 | Novel low temperature rising water-cooling stator engine base and welding method thereof |
| CN109986265A (en) * | 2019-03-21 | 2019-07-09 | 福建南方路面机械有限公司 | A kind of butt welding process for welding positioning tool and sand making machine staving of sand making machine staving |
| CN110370187A (en) * | 2019-05-30 | 2019-10-25 | 武汉船用机械有限责任公司 | The secondary process tooling and processing method of diffuser |
| CN110539096A (en) * | 2019-07-16 | 2019-12-06 | 武汉船用机械有限责任公司 | method for manufacturing roller structural member |
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