CN110434430B - Processing tool and manufacturing method of radial vent pipe assembly - Google Patents

Processing tool and manufacturing method of radial vent pipe assembly Download PDF

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Publication number
CN110434430B
CN110434430B CN201910558673.1A CN201910558673A CN110434430B CN 110434430 B CN110434430 B CN 110434430B CN 201910558673 A CN201910558673 A CN 201910558673A CN 110434430 B CN110434430 B CN 110434430B
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Prior art keywords
positioning shaft
annular
sleeve
plate
hole
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CN110434430A (en
Inventor
蒋文学
赵金明
杨新明
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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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
    • 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
    • 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
    • B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • 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
    • B23K9/0026—Arc welding or cutting specially adapted for particular articles or 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
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes

Abstract

The invention discloses a machining tool and a manufacturing method of a radial vent pipe assembly, and belongs to the field of machining. The processing tool comprises a seat plate, a positioning shaft and an adjusting nut; the seat plate and the annular plate are positioned on the same horizontal plane; the first end of the positioning shaft is fixed on the seat plate, and the sleeve is sleeved outside the positioning shaft; the adjusting nut is sleeved outside the positioning shaft between the seat plate and the sleeve and is in threaded connection with the positioning shaft, so that the distance between the sleeve and the seat plate reaches a required value. The invention provides the processing tool comprising the seat plate, the positioning shaft and the adjusting nut, and the adjusting nut is rotated, namely, the distance between the sleeve and the seat plate (namely, the annular plate) can be adjusted to reach a required value. Because intake pipe and annular connecting pipe can the snap-on the annular plate, consequently as long as the both ends of a plurality of breather pipes are connected with annular connecting pipe and muffjoint respectively this moment, can realize the assembly of radial breather pipe subassembly.

Description

Processing tool and manufacturing method of radial vent pipe assembly
Technical Field
The invention relates to the field of machining, in particular to a machining tool and a manufacturing method of a radial vent pipe assembly.
Background
The vent assembly is comprised of at least two interconnected tubes for effecting the transfer of gas.
It is desirable to provide a particular vent assembly that changes the direction of gas delivery for reasons such as ease of gas injection. This breather pipe subassembly includes the sleeve, the annular slab, the intake pipe, annular connecting pipe and a plurality of breather pipe, annular connecting pipe coaxial arrangement is on the annular slab, the intake pipe along the radial annular slab of annular slab install outside the annular connecting pipe on the annular slab and with the annular connecting pipe intercommunication, the sleeve is coaxial with the annular slab and lie in the annular slab and be equipped with one side of annular connecting pipe, a plurality of breather pipes are radial intercommunication between sleeve and annular connecting pipe. When the gas is injected into the vent pipe assembly along the axial direction of the shafting, the vent pipe assembly outputs the gas from the axial direction of the shafting, so that the gas is convenient to transmit in the shafting. However, there is currently no process for making such a vent assembly.
Disclosure of Invention
The embodiment of the invention provides a processing tool and a manufacturing method of a radial vent pipe assembly, which can be used for manufacturing the required radial vent pipe assembly. The technical scheme is as follows:
in one aspect, an embodiment of the present invention provides a radial vent pipe assembly processing tool, where the radial vent pipe assembly includes a sleeve, an annular plate, an air inlet pipe, an annular connecting pipe, and a plurality of vent pipes; the annular connecting pipe is coaxially arranged on the annular plate; the air inlet pipe is arranged on the annular plate outside the annular connecting pipe along the radial direction of the annular plate and is communicated with the annular connecting pipe; the sleeve and the annular plate are coaxially arranged, and the sleeve is positioned on one side of the annular plate, which is provided with the annular connecting pipe; the plurality of vent pipes are radially arranged between the sleeve and the annular connecting pipe, and two ends of the plurality of vent pipes are respectively communicated with the sleeve and the annular connecting pipe;
the processing tool comprises a seat plate, a positioning shaft and an adjusting nut; the seat plate and the annular plate are positioned on the same horizontal plane; the first end of the positioning shaft is fixed on the seat plate, and the sleeve is sleeved outside the positioning shaft; the adjusting nut is sleeved outside the positioning shaft between the seat plate and the sleeve and is in threaded connection with the positioning shaft, so that the distance between the sleeve and the seat plate reaches a required value.
Optionally, the processing tool further comprises a locking nut, the locking nut is sleeved outside the second end of the positioning shaft and is in threaded connection with the positioning shaft, and the sleeve is clamped between the adjusting nut and the locking nut.
Further, the processing tool further comprises an upper base plate and a lower base plate, the upper base plate is sleeved outside the adjusting nut and the positioning shaft between the sleeves, and the lower base plate is sleeved outside the positioning shaft between the sleeves and the locking nut.
Optionally, a cylindrical bump is arranged at the first end of the positioning shaft, the cylindrical bump and the positioning shaft are coaxially arranged, and the diameter of the cylindrical bump is larger than that of the positioning shaft; the base plate is provided with a first through hole and a second through hole, the first through hole and the second through hole are coaxially arranged, the depth of the first through hole is equal to the height of the cylindrical bump, the diameter of the first through hole is equal to the diameter of the cylindrical bump, the cylindrical bump is arranged in the first through hole, the diameter of the second through hole is equal to the diameter of the positioning shaft, and the first end of the positioning shaft is arranged in the second through hole.
In another aspect, an embodiment of the present invention provides a method for manufacturing a radial vent assembly, where the method includes:
spot welding the annular plate on the assembling platform;
spot welding an air inlet pipe and an annular connecting pipe on the annular plate, wherein the annular connecting pipe is coaxially arranged on the annular plate, and the air inlet pipe is arranged on the annular plate outside the annular connecting pipe along the radial direction of the annular plate and is communicated with the annular connecting pipe;
spot-welding a machining tool on an assembly platform in the annular plate; the processing tool comprises a seat plate, a positioning shaft and an adjusting nut; the seat plate and the annular plate are coaxially arranged and are positioned on the same horizontal plane; the first end of the positioning shaft is fixed on the seat plate, and the second end of the positioning shaft is positioned on one side of the annular plate, which is provided with the annular connecting pipe; the adjusting nut is sleeved outside the positioning shaft and is in threaded connection with the positioning shaft, and the second end of the positioning shaft extends out of the adjusting nut;
sleeving a sleeve outside the positioning shaft, wherein the sleeve is supported by the adjusting nut, and rotating the adjusting nut to enable the distance between the sleeve and the seat plate to reach a required value;
a plurality of vent pipes are spot-welded between the sleeve and the annular connecting pipe, two ends of the vent pipes are respectively communicated with the sleeve and the annular connecting pipe, and the vent pipes are distributed in a radial shape to form a radial vent pipe assembly;
and performing full welding on the radial vent pipe assembly.
Optionally, before spot-welding the air inlet pipe and the annular connecting pipe on the annular plate, the manufacturing method further includes:
providing a steel pipe, and filling filler in the steel pipe;
burning the steel pipe to red, and bending the steel pipe based on a mold;
when the steel pipe is annular, cooling the steel pipe, and removing the filler in the steel pipe;
welding the two ends of the steel pipe together;
and dividing the steel pipe into two halves along a plane parallel to the ring shape to obtain the ring-shaped connecting pipe.
Optionally, the spot welding the annular plate to the mounting platform comprises:
drawing a cross center line and an outer contour line of the annular plate on an assembly platform;
and placing an annular plate on the assembling platform according to the outer contour line on the assembling platform, and spot-welding the annular plate on the assembling platform according to the cross center line on the assembling platform.
Further, to process frock spot welding on the assembly platform in the annular plate, include:
providing a seat plate and a positioning shaft; a first end of the positioning shaft is provided with a positioning shaft of a cylindrical lug, the cylindrical lug and the positioning shaft are coaxially arranged, and the diameter of the cylindrical lug is larger than that of the positioning shaft; the seat plate is provided with a first through hole and a second through hole, the first through hole and the second through hole are coaxially arranged, the depth of the first through hole is equal to the height of the cylindrical bump, the diameter of the first through hole is equal to the diameter of the cylindrical bump, and the diameter of the second through hole is equal to the diameter of the positioning shaft;
drawing a cross center line on the cylindrical bump, and placing the cylindrical bump on an assembly platform in the annular plate, wherein the cross center line on the cylindrical bump is aligned with the cross center line on the assembly platform;
sleeving the seat plate outside the positioning shaft, so that the cylindrical lug is arranged in the first through hole, and the first end of the positioning shaft is arranged in the second through hole;
and spot welding the seat plate on the assembling platform.
Optionally, before spot welding a plurality of vent tubes between the sleeve and the annular connecting tube, the method of making further comprises:
and sleeving a locking nut outside the positioning shaft and in threaded connection with the positioning shaft, wherein the sleeve is clamped between the adjusting nut and the locking nut.
Optionally, the full weld of the radial plenum assembly may include:
the argon arc welding is adopted for full welding, the material of the welding wire is H0CR20Ni10Ti, the diameter of the welding wire is 2mm, the welding current is 100A-120A, the welding voltage is 10V-14V, the welding speed is 14 cm/min-18 cm/min, and the flow of the welding air flow is 20L/min-25L/min.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
through providing the processing frock including bedplate, location axle and adjusting nut, bedplate and annular plate are located same horizontal plane, and the one end of location axle is fixed on the bedplate, and adjusting nut and sleeve overlap in proper order and establish outside the location axle, and adjusting nut and location axle threaded connection, through rotating adjusting nut, can adjust the distance between sleeve and the bedplate (being the annular plate promptly), make it reach the required value promptly. Because intake pipe and annular connecting pipe can the snap-on the annular plate, consequently as long as the both ends of a plurality of breather pipes are connected with annular connecting pipe and muffjoint respectively this moment, can realize the assembly of radial breather pipe subassembly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a radial plenum assembly according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a radial snorkel assembly tooling assembly according to an embodiment of the invention;
figure 4 is a flow chart of a method of making a radial plenum assembly in accordance with an embodiment of the present invention;
FIG. 5 is a top view of a steel pipe provided in accordance with an embodiment of the present invention after being bent into a circular shape and welded at both ends;
fig. 6 is a side view of a steel pipe provided in accordance with an embodiment of the present invention after being bent into a ring shape and both ends being welded together.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a processing tool for a radial vent pipe assembly. Fig. 1 is a schematic structural view of a radial vent assembly according to an embodiment of the present invention, and fig. 2 is a cross-sectional view taken along a-a of fig. 1 according to an embodiment of the present invention. Referring to fig. 1 and 2, the radial vent assembly includes a sleeve 11, an annular plate 12, an inlet pipe 13, an annular connecting pipe 14, and a plurality of vent pipes 15. An annular connecting tube 14 is mounted coaxially on the annular plate 12. The intake pipe 13 is installed on the annular plate 12 outside the annular connection pipe 14 in the radial direction of the annular plate 12, and communicates with the annular connection pipe 14. The sleeve 11 is arranged coaxially with the annular plate 12, and the sleeve 11 is located on the side of the annular plate 12 where the annular connecting pipe 14 is provided. A plurality of vent pipes 15 are radially disposed between the sleeve 11 and the annular connection pipe 14, and both ends of the plurality of vent pipes 15 communicate with the sleeve 11 and the annular connection pipe 14, respectively.
Fig. 3 is a schematic structural view of a tooling assembly for machining a radial snorkel assembly according to an embodiment of the invention. Referring to fig. 3, the machining tool includes a seat plate 21, a positioning shaft 22, and an adjusting nut 23. The seat plate 21 is located on the same horizontal plane as the annular plate 12. The first end of the positioning shaft 22 is fixed on the seat plate 21, and the sleeve 11 is sleeved outside the positioning shaft 22. The adjusting nut 23 is sleeved outside the positioning shaft 22 between the seat plate 21 and the sleeve 11 and is in threaded connection with the positioning shaft 22, so that the distance between the sleeve 11 and the seat plate 21 reaches a required value.
The embodiment of the invention provides the processing tool comprising the seat plate, the positioning shaft and the adjusting nut, wherein the seat plate and the annular plate are positioned on the same horizontal plane, one end of the positioning shaft is fixed on the seat plate, the adjusting nut and the sleeve are sequentially sleeved outside the positioning shaft, the adjusting nut is in threaded connection with the positioning shaft, and the distance between the sleeve and the seat plate (namely the annular plate) can be adjusted by rotating the adjusting nut, so that the required value is reached. Because intake pipe and annular connecting pipe can the snap-on the annular plate, consequently as long as the both ends of a plurality of breather pipes are connected with annular connecting pipe and muffjoint respectively this moment, can realize the assembly of radial breather pipe subassembly. And the processing tool is convenient to disassemble.
Optionally, as shown in fig. 3, the processing tool may further include a lock nut 24, the lock nut 24 is sleeved outside the second end of the positioning shaft 22 and is in threaded connection with the positioning shaft 22, and the sleeve 11 is clamped between the adjusting nut 23 and the lock nut 24. Through the cooperation of the locking nut and the adjusting nut, the situation that the position of the sleeve is changed to influence the processing precision can be effectively avoided.
Further, as shown in fig. 3, the processing tool may further include an upper pad 25 and a lower pad 26, the upper pad 25 is sleeved on the outside of the positioning shaft 22 between the adjusting nut 23 and the sleeve 11, and the lower pad 26 is sleeved on the outside of the positioning shaft 22 between the sleeve 11 and the lock nut 24. The upper backing plate and the lower backing plate are respectively arranged on the two sides of the sleeve, so that the sleeve can be prevented from being damaged by the acting force of the locking nut and the adjusting nut.
Alternatively, as shown in fig. 3, the first end of the positioning shaft 22 may be provided with a cylindrical protrusion 22a, the cylindrical protrusion 22a is coaxially arranged with the positioning shaft 22, and the diameter of the cylindrical protrusion 22a is larger than that of the positioning shaft 22. The seat plate 21 is provided with a first through hole 21a and a second through hole 21b, the first through hole 21a and the second through hole 21b are coaxially arranged, the depth of the first through hole 21a is equal to the height of the cylindrical bump 22a, the diameter of the first through hole 21a is equal to the diameter of the cylindrical bump 22a, the cylindrical bump 22a is arranged in the first through hole 21a, the diameter of the second through hole 21b is equal to the diameter of the positioning shaft 22, and the first end of the positioning shaft 22 is arranged in the second through hole 21 b. The positioning shaft is clamped on the seat plate by the steps formed by different diameters through arranging the cylindrical convex block with larger diameter at one end of the positioning shaft and correspondingly arranging the through holes with different diameters on the seat plate.
In practical application, as shown in fig. 1, the number of the inlet pipes 13 may be two, and the two inlet pipes 13 are arranged along the same straight line, so that uniformity of the conveyed gas is good.
Optionally, as shown in fig. 2, the radial plenum assembly may further include a baffle 16, the baffle 16 being disposed on an end of the inlet pipe 13 not in communication with the annular connecting pipe 14.
In practical application, the baffle is formed by processing a steel plate which has the same thickness and material as the pipe wall of the air inlet pipe, the shape of the baffle is consistent with the cross section of the air inlet pipe, and the baffle and the connecting pipe form a closed structure so as to facilitate gas transmission. The baffle and the air inlet pipe are connected together in a welding mode.
Alternatively, the radial aerator pipe assembly can be made of stainless steel 1Cr18Ni9Ti, and good effect is achieved.
An embodiment of the present invention provides a method for manufacturing a radial vent assembly, which is suitable for manufacturing the radial vent assembly shown in fig. 1 and 2 by using the processing tool shown in fig. 3. Figure 4 is a flow chart of a method of fabricating a radial plenum assembly in accordance with an embodiment of the present invention. Referring to fig. 4, the manufacturing method includes:
step 201: the annular plate is spot welded to the mounting platform.
Optionally, the step 201 may include:
drawing a cross center line and an outer contour line of the annular plate on the assembling platform;
and placing the annular plate on the assembling platform according to the outer contour line on the assembling platform, and spot-welding the annular plate on the assembling platform according to the cross center line on the assembling platform.
The corresponding lines are drawn on the assembly platform, so that the pipe fittings can be aligned and assembled conveniently.
Step 202: and spot welding the air inlet pipe and the annular connecting pipe on the annular plate.
In the present embodiment, the annular connecting pipe is coaxially disposed on the annular plate, and the intake pipe is disposed on the annular plate outside the annular connecting pipe in the radial direction of the annular plate and communicates with the annular connecting pipe.
Optionally, before step 202, the manufacturing method may further include:
providing a steel pipe, and filling the steel pipe with a filler;
burning the steel pipe to red, and bending the steel pipe based on the die;
when the steel pipe is annular, cooling the steel pipe, and removing the filler in the steel pipe;
welding the two ends of the steel pipe together;
and dividing the steel pipe into two halves along a plane parallel to the ring shape to obtain the ring-shaped connecting pipe.
The steel pipe is changed into a solid body by filling the filler in the steel pipe, so that the deformation of the steel pipe in the complete process can be effectively avoided.
Fig. 5 is a plan view of a steel pipe provided in an embodiment of the present invention after being bent into a ring shape and both ends thereof being welded together, and fig. 6 is a side view of the steel pipe provided in the embodiment of the present invention after being bent into a ring shape and both ends thereof being welded together. Referring to fig. 5 and 6, after the steel pipe is bent in a ring shape and both ends are welded together, the steel pipe is divided into two halves along a plane parallel to the ring shape so that the radial section of the ring-shaped connection pipe is semicircular, facilitating stable fixation of the ring-shaped connection pipe on the ring-shaped plate.
In practical application, the filler can be yellow sand, so that the use is convenient and the cost is low. When the filler in the steel pipe is removed, the filler can be poured out firstly, and then the impurities in the steel pipe are cleaned up. The two ends of the steel pipe are welded together, and butt seam welding can be adopted. When the steel pipe is divided into two halves, wire cutting can be used.
Further, before welding the two ends of the steel pipe together, the manufacturing method may further include:
and (5) correcting the steel pipe.
In practical application, after the steel pipe is welded, the steel pipe is sleeved on a die for bending the steel pipe, a gap between the steel pipe and the die is checked, and hammering correction is performed on an area with the gap out of tolerance by adopting a rubber hammer so as to ensure that the shape of the steel pipe meets the requirements.
Step 203: and spot-welding the machining tool on an assembly platform in the annular plate.
In this embodiment, the processing tool includes a seat plate, a positioning shaft, and an adjusting nut; the seat plate and the annular plate are coaxially arranged and are positioned on the same horizontal plane; the first end of the positioning shaft is fixed on the seat plate, and the second end of the positioning shaft is positioned at one side of the annular plate, which is provided with the annular connecting pipe; the adjusting nut is sleeved outside the positioning shaft and is in threaded connection with the positioning shaft, and the second end of the positioning shaft extends out of the adjusting nut.
Optionally, this step 203 may comprise:
providing a seat plate and a positioning shaft; the first end of the positioning shaft is provided with a positioning shaft of a cylindrical lug, the cylindrical lug and the positioning shaft are coaxially arranged, and the diameter of the cylindrical lug is larger than that of the positioning shaft; the seat plate is provided with a first through hole and a second through hole which are coaxially arranged, the depth of the first through hole is equal to the height of the cylindrical bump, the diameter of the first through hole is equal to the diameter of the cylindrical bump, and the diameter of the second through hole is equal to the diameter of the positioning shaft;
drawing a cross center line on the cylindrical bump, placing the cylindrical bump on an assembly platform in the annular plate, and placing the cross center line on the cylindrical bump in alignment with the cross center line on the assembly platform;
sleeving the seat plate outside the positioning shaft, so that the cylindrical lug is arranged in the first through hole, and the first end of the positioning shaft is arranged in the second through hole;
and spot-welding the seat plate on the assembly platform.
The corresponding lines are drawn to be aligned, and the assembly is carried out by means of the machining tool, so that the machining precision can be improved.
Step 204: the sleeve is sleeved outside the positioning shaft and supported by the adjusting nut, and the adjusting nut is rotated to enable the distance between the sleeve and the seat plate to reach a required value.
Step 205: and spot welding a plurality of vent pipes between the sleeve and the annular connecting pipe.
In this embodiment, the both ends of a plurality of breather pipes communicate with sleeve and annular connecting pipe respectively, and a plurality of breather pipes are radial distribution, constitute radial breather pipe subassembly.
In practical application, can adjust the sleeve to guarantee that each breather pipe communicates with sleeve and annular connecting pipe respectively. After the sleeve is adjusted, optionally, the manufacturing method may further include:
and the locking nut is sleeved outside the positioning shaft and is in threaded connection with the positioning shaft, and the sleeve is clamped between the adjusting nut and the locking nut.
Through the cooperation of the locking nut and the adjusting nut, the situation that the position of the sleeve is changed to influence the processing precision can be effectively avoided.
It is readily appreciated that the above steps are performed prior to step 205.
Further, before the locking nut is sleeved outside the positioning shaft, the manufacturing method can further comprise the following steps:
the lower gasket is sleeved outside the positioning shaft to prevent the locking nut from damaging the sleeve.
Step 206: the radial plenum assembly was fully welded.
In this embodiment, full weld of the radial vent assembly may comprise: the full-welding method comprises the steps of performing full-welding between the sleeve and the plurality of vent pipes, performing full-welding between the plurality of vent pipes and the annular connecting pipe, performing full-welding between the annular connecting pipe and the air inlet pipe, performing full-welding between the annular connecting pipe and the annular plate, and performing full-welding between the air inlet pipe and the annular plate. And for spot welding between the ring plate and the mounting platform, and spot welding between the seat plate and the mounting platform, the tack-offs may be performed after step 206.
Optionally, this step 206 may include:
the argon arc welding is adopted for full welding, the material of the welding wire is H0CR20Ni10Ti, the diameter of the welding wire is 2mm, the welding current is 100A-120A, the welding voltage is 10V-14V, the welding speed is 14 cm/min-18 cm/min, and the flow of the welding air flow is 20L/min-25L/min.
By adopting the parameters for welding, the welding seam is full, the air tightness is good, and the qualification rate is high.
Optionally, after step 206, the manufacturing method may further include:
and carrying out annealing treatment on the welding seam.
In practical application, after welding, annealing treatment is carried out on the welding line, which specifically comprises the following steps: (1) the vent pipe assembly (with the processing tool) is transferred into an annealing furnace, the whole workpiece is required to be laid flat, and other parts cannot be placed above the upper workpiece; (2) setting the annealing temperature to 860 +/-10 ℃, and keeping the temperature for 1-1.5 h; (3) and taking out the workpiece when the temperature in the furnace is less than or equal to 300 ℃, and naturally cooling to room temperature.
Through annealing treatment, the stress in the welding line can be released, cracks are avoided, and the reliability of the product is improved.
Optionally, after step 206, the manufacturing method may further include:
and performing dye check on the welding seam.
And through dye penetrant inspection, the defect position of the welding seam is found in time for repair welding, and the reliability of the product is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The machining tool for the radial vent pipe assembly is characterized in that the radial vent pipe assembly comprises a sleeve (11), an annular plate (12), an air inlet pipe (13), an annular connecting pipe (14) and a plurality of vent pipes (15); the annular connecting pipe (14) is coaxially arranged on the annular plate (12); the air inlet pipe (13) is arranged on the annular plate (12) outside the annular connecting pipe (14) along the radial direction of the annular plate (12) and is communicated with the annular connecting pipe (14); the sleeve (11) and the annular plate (12) are coaxially arranged, and the sleeve (11) is positioned on one side of the annular plate (12) where the annular connecting pipe (14) is arranged; the plurality of vent pipes (15) are radially arranged between the sleeve (11) and the annular connecting pipe (14), and two ends of the plurality of vent pipes (15) are respectively communicated with the sleeve (11) and the annular connecting pipe (14);
the machining tool comprises a seat plate (21), a positioning shaft (22) and an adjusting nut (23); the seat plate (21) and the annular plate (12) are positioned on the same horizontal plane; the first end of the positioning shaft (22) is fixed on the seat plate (21), and the sleeve (11) is sleeved outside the positioning shaft (22); the adjusting nut (23) is sleeved outside the positioning shaft (22) between the seat plate (21) and the sleeve (11) and is in threaded connection with the positioning shaft (22), so that the distance between the sleeve (11) and the seat plate (21) reaches a required value.
2. The machining tool according to claim 1, further comprising a locking nut (24), wherein the locking nut (24) is sleeved outside the second end of the positioning shaft (22) and is in threaded connection with the positioning shaft (22), and the sleeve (11) is clamped between the adjusting nut (23) and the locking nut (24).
3. The processing tool according to claim 2, further comprising an upper backing plate (25) and a lower backing plate (26), wherein the upper backing plate (25) is sleeved outside the positioning shaft (22) between the adjusting nut (23) and the sleeve (11), and the lower backing plate (26) is sleeved outside the positioning shaft (22) between the sleeve (11) and the locking nut (24).
4. The processing tool according to any one of claims 1 to 3, wherein a cylindrical bump (22a) is arranged at a first end of the positioning shaft (22), the cylindrical bump (22a) is coaxially arranged with the positioning shaft (22), and the diameter of the cylindrical bump (22a) is larger than that of the positioning shaft (22); be equipped with first through-hole (21a) and second through-hole (21b) on bedplate (21), first through-hole (21a) with second through-hole (21b) coaxial setting, the degree of depth of first through-hole (21a) equals the height of cylindric lug (22a), the diameter of first through-hole (21a) equals the diameter of cylindric lug (22a), cylindric lug (22a) sets up in first through-hole (21a), the diameter of second through-hole (21b) equals the diameter of location axle (22), the first end setting of location axle (22) is in second through-hole (21 b).
5. A method of making a radial vent assembly, the method comprising:
spot welding the annular plate on the assembling platform;
spot welding an air inlet pipe and an annular connecting pipe on the annular plate, wherein the annular connecting pipe is coaxially arranged on the annular plate, and the air inlet pipe is arranged on the annular plate outside the annular connecting pipe along the radial direction of the annular plate and is communicated with the annular connecting pipe;
spot-welding a machining tool on an assembly platform in the annular plate; the processing tool comprises a seat plate, a positioning shaft and an adjusting nut; the seat plate and the annular plate are coaxially arranged and are positioned on the same horizontal plane; the first end of the positioning shaft is fixed on the seat plate, and the second end of the positioning shaft is positioned on one side of the annular plate, which is provided with the annular connecting pipe; the adjusting nut is sleeved outside the positioning shaft and is in threaded connection with the positioning shaft, and the second end of the positioning shaft extends out of the adjusting nut;
sleeving a sleeve outside the positioning shaft, wherein the sleeve is supported by the adjusting nut, and rotating the adjusting nut to enable the distance between the sleeve and the seat plate to reach a required value;
a plurality of vent pipes are spot-welded between the sleeve and the annular connecting pipe, two ends of the vent pipes are respectively communicated with the sleeve and the annular connecting pipe, and the vent pipes are distributed in a radial shape to form a radial vent pipe assembly;
and performing full welding on the radial vent pipe assembly.
6. The method of manufacture of claim 5, wherein prior to said spot welding of the inlet tube and annular connecting tube to the annular plate, the method of manufacture further comprises:
providing a steel pipe, and filling filler in the steel pipe;
burning the steel pipe to red, and bending the steel pipe based on a mold;
when the steel pipe is annular, cooling the steel pipe, and removing the filler in the steel pipe;
welding the two ends of the steel pipe together;
and dividing the steel pipe into two halves along a plane parallel to the ring shape to obtain the ring-shaped connecting pipe.
7. The method of manufacturing according to claim 5 or 6, wherein the spot welding of the annular plate on the mounting platform comprises:
drawing a cross center line and an outer contour line of the annular plate on an assembly platform;
and placing an annular plate on the assembling platform according to the outer contour line on the assembling platform, and spot-welding the annular plate on the assembling platform according to the cross center line on the assembling platform.
8. The method of manufacturing of claim 7, wherein spot welding a tooling on a mounting platform in the annular plate comprises:
providing a seat plate and a positioning shaft; a first end of the positioning shaft is provided with a positioning shaft of a cylindrical lug, the cylindrical lug and the positioning shaft are coaxially arranged, and the diameter of the cylindrical lug is larger than that of the positioning shaft; the seat plate is provided with a first through hole and a second through hole, the first through hole and the second through hole are coaxially arranged, the depth of the first through hole is equal to the height of the cylindrical bump, the diameter of the first through hole is equal to the diameter of the cylindrical bump, and the diameter of the second through hole is equal to the diameter of the positioning shaft;
drawing a cross center line on the cylindrical bump, and placing the cylindrical bump on an assembly platform in the annular plate, wherein the cross center line on the cylindrical bump is aligned with the cross center line on the assembly platform;
sleeving the seat plate outside the positioning shaft, so that the cylindrical lug is arranged in the first through hole, and the first end of the positioning shaft is arranged in the second through hole;
and spot welding the seat plate on the assembling platform.
9. The method of manufacturing of claim 5 or 6, wherein prior to spot welding a plurality of vent tubes between the sleeve and the annular connection tube, the method of manufacturing further comprises:
and sleeving a locking nut outside the positioning shaft and in threaded connection with the positioning shaft, wherein the sleeve is clamped between the adjusting nut and the locking nut.
10. The method of making as defined in claim 5 or 6, wherein said full-weld of said radial plenum assembly comprises:
the argon arc welding is adopted for full welding, the material of the welding wire is H0CR20Ni10Ti, the diameter of the welding wire is 2mm, the welding current is 100A-120A, the welding voltage is 10V-14V, the welding speed is 14 cm/min-18 cm/min, and the flow of the welding air flow is 20L/min-25L/min.
CN201910558673.1A 2019-06-26 2019-06-26 Processing tool and manufacturing method of radial vent pipe assembly Active CN110434430B (en)

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CN113042950B (en) * 2021-03-29 2024-03-29 丹阳市华富机械有限公司 Welding machine for machining elevator hand wheel
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005205460A (en) * 2004-01-23 2005-08-04 Hitachi Ltd Gas purge fixture
CN101362268A (en) * 2007-08-07 2009-02-11 庄添财 Bicycle front Y-type pipe welding bench
CN201415321Y (en) * 2009-05-11 2010-03-03 深圳市天凌高实业发展有限公司 Pipeline adjusting rack
CN203390444U (en) * 2013-07-10 2014-01-15 江苏标新久保田工业有限公司 Sizing control device for panel of nickel-based thin-walled radiation tube
CN206811381U (en) * 2017-06-09 2017-12-29 江苏恒阳冶金科技有限公司 A kind of gas fired radiant tubes welding tooling
CN109405618A (en) * 2018-10-16 2019-03-01 王丹 A kind of allotype aluminum alloy radiator, welding fixture and welding method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005205460A (en) * 2004-01-23 2005-08-04 Hitachi Ltd Gas purge fixture
CN101362268A (en) * 2007-08-07 2009-02-11 庄添财 Bicycle front Y-type pipe welding bench
CN201415321Y (en) * 2009-05-11 2010-03-03 深圳市天凌高实业发展有限公司 Pipeline adjusting rack
CN203390444U (en) * 2013-07-10 2014-01-15 江苏标新久保田工业有限公司 Sizing control device for panel of nickel-based thin-walled radiation tube
CN206811381U (en) * 2017-06-09 2017-12-29 江苏恒阳冶金科技有限公司 A kind of gas fired radiant tubes welding tooling
CN109405618A (en) * 2018-10-16 2019-03-01 王丹 A kind of allotype aluminum alloy radiator, welding fixture and welding method

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