CN113927252B - Manufacturing method of gas collecting pipe assembly for air conditioning unit header - Google Patents
Manufacturing method of gas collecting pipe assembly for air conditioning unit header Download PDFInfo
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- CN113927252B CN113927252B CN202111305176.4A CN202111305176A CN113927252B CN 113927252 B CN113927252 B CN 113927252B CN 202111305176 A CN202111305176 A CN 202111305176A CN 113927252 B CN113927252 B CN 113927252B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000004378 air conditioning Methods 0.000 title claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 130
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000004927 fusion Effects 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 26
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 17
- 238000005498 polishing Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a method for manufacturing a gas collecting pipe component for a header of an air conditioning unit, which comprises the following steps: the method comprises the following steps of bottom plate processing, supporting mechanism installation, pressing mechanism installation, branch gas collecting pipe conveying mechanism installation, welding assembly installation and gas collecting pipe assembly welding. The manufacturing method has simple steps, not only improves the assembly precision between the branch gas collecting pipe and the main gas collecting pipe, but also greatly improves the welding precision of the fusion of the welding ring, and prevents the use effect of the gas collecting pipe assembly from being influenced by the gap generated between the branch gas collecting pipe and the main gas collecting pipe.
Description
Technical Field
The invention relates to a method for manufacturing a gas collecting pipe component for a header of an air conditioning unit.
Background
The air-conditioning gas collecting pipe has the main function of collecting all gas in the evaporator in the air-conditioning, and then is connected to an external unit through the gas collecting pipe, so that a circulation function is realized. Because gaseous refrigerant high temperature high pressure of evaporimeter exhaust, the gas collecting pipe of prior art is mostly made of copper material, for guaranteeing that the gas collecting pipe does not leak the refrigerant, links to each other through the welding between branch pipe and the main gas collecting pipe.
The welding rod is generally adopted to weld between the branch pipe and the main gas collecting pipe in the prior art, so that the complexity of a welding mechanism is increased, the welding quality is not high, welding leakage or false welding is easily caused, the welding quality of the gas collecting pipe assembly is influenced, the welding precision is not high, the branch pipe and the main gas collecting pipe are easily inclined, and the welding effect of the gas collecting pipe assembly is influenced.
Disclosure of Invention
The invention aims to provide a technical scheme of a manufacturing method of a gas collecting pipe assembly for a header of an air conditioning unit aiming at the defects in the prior art, the manufacturing method has simple steps, not only improves the assembly precision between a branch gas collecting pipe and a main-path gas collecting pipe, but also greatly improves the welding precision of welding ring fusion, and prevents the use effect of the gas collecting pipe assembly from being influenced by a gap generated between the branch gas collecting pipe and the main-path gas collecting pipe.
In order to solve the technical problems, the invention adopts the following technical scheme:
the manufacturing method of the gas collecting pipe component for the header of the air conditioning unit is characterized by comprising the following steps of:
1) machining of bottom plates
a. Firstly, processing a corresponding bottom plate according to design requirements, polishing the surface of the bottom plate, and marking installation positions of a supporting mechanism, a pressing mechanism and a welding assembly along the top surface of the bottom plate to improve the installation precision and further improve the welding precision between a branch gas collecting pipe and a main gas collecting pipe;
b. then installing a distribution box and a controller along one side of the bottom plate;
2) mounting of support mechanisms
a. Firstly, processing a support bar with a corresponding size according to design requirements, and polishing the surface of the support bar;
b. then, symmetrically installing supporting blocks along two ends of the top surface of the supporting bar, and supporting two ends of a main gas collecting pipe of the gas collecting pipe assembly through the supporting blocks;
c. then, lower welding blocks are uniformly arranged between the two supporting blocks along the top surfaces of the supporting bars, and the main circuit gas collecting pipe is positioned and supported through the lower welding blocks;
3) mounting of hold-down mechanism
a. Firstly, processing corresponding first stand columns according to design requirements, vertically and fixedly installing the two first stand columns at set positions on the top surface of the bottom plate, and ensuring that the distances between the first stand columns and the supporting bars are equal;
b. then installing a manual compaction assembly along the top surface of each first upright post;
c. secondly, manufacturing a cross beam with a proper size according to the size of the supporting bars, and vertically and downwards forming a through groove along the top surface of the cross beam to ensure that the main path gas collecting pipe and the branch path gas collecting pipe are welded after the welding assembly penetrates through the through groove;
d. finally, symmetrically installing connecting covers along two sides of the top surface of the cross beam, and connecting the connecting covers to the manual pressing assembly through connecting rods;
4) installation of branch gas collecting pipe conveying mechanism
a. Firstly, manufacturing a first substrate and a horizontal plate with proper sizes according to design requirements, polishing the surfaces of the first substrate and the horizontal plate, installing two first guide rails which are parallel to each other at set positions along the top surface of a bottom plate, connecting the first substrate to the first guide rails in a sliding manner through a first sliding block, and arranging a first air cylinder on the bottom plate, wherein the first air cylinder is connected with the first substrate through a first piston rod;
b. then two second guide rails which are parallel to each other are arranged along the set position of the top surface of the first substrate, the horizontal plate is connected to the second guide rails in a sliding mode through second sliding blocks, a second air cylinder is arranged on the first substrate, and the second air cylinder is connected with the horizontal plate through a second piston rod;
c. then, uniformly installing clamping mechanisms for clamping the branch gas collecting pipes along the top surface of the horizontal plate;
5) welded assembly installation
a. Firstly, determining the size of a welding assembly according to the height of a first upright column and the lifting height of a cross beam, manufacturing a second base plate, installing two parallel side plates along the top surface of the second base plate, and installing a fixing plate along the same side of the two side plates;
b. then, a top plate is horizontally installed along the top surface of the fixed plate, a third air cylinder is installed along the top surface of the top plate, the third air cylinder is connected with a lifting block through a piston rod, two third guide rails which are parallel to each other are installed on the fixed plate, and the lifting block is connected to the third guide rails in a sliding mode through third sliding blocks;
c. selecting a proper boosting block, a fixed rod and an upper welding block according to the position of each lower welding block, fixedly connecting two adjacent boosting blocks through the fixed rod, respectively connecting the upper welding blocks with the corresponding boosting blocks through the boosting rods, fixedly installing the boosting blocks at two ends on a lifting block, arranging a positioning block on the lifting block, connecting the positioning block with the boosting blocks through reinforcing rods, and connecting the positioning block with a top plate through a spring;
d. finally, fixedly mounting the mounted welding assembly on a bottom plate;
6) welding of gas header assembly
a. Firstly, horizontally placing a main path gas collecting pipe on a supporting block and a lower welding block, fixing each branch gas collecting pipe on a horizontal plate through a clamping mechanism, installing a welding ring on each lower welding block, and driving a cross beam to move downwards through a manual pressing assembly until the main path gas collecting pipe is pressed;
b. then starting a first cylinder, driving a first substrate to perform fine adjustment along the X direction through a first piston rod, after the substrate is adjusted to a set position, starting a second cylinder, driving a horizontal plate to move along the Y direction through a second piston rod until a branch gas collecting pipe touches a main gas collecting pipe;
c. then, a third cylinder is started, and the boosting block and the upper welding block are driven to move downwards through a third piston rod until the upper welding block touches the main-path gas collecting pipe and the branch-path gas collecting pipe;
d. and finally, electrifying the upper welding block and the lower welding block, realizing fusion welding between the branch gas collecting pipe and the main gas collecting pipe through the welding ring, loosening the upper welding block after welding is finished, taking out the gas collecting pipe assembly, and welding between the next main gas collecting pipe and the branch gas collecting pipe.
The manufacturing method has simple steps, not only improves the assembly precision between the branch gas collecting pipe and the main gas collecting pipe, but also greatly improves the welding precision of the fusion of the welding ring, and prevents the use effect of the gas collecting pipe assembly from being influenced by the gap generated between the branch gas collecting pipe and the main gas collecting pipe.
Furthermore, V-shaped supporting surfaces are symmetrically arranged on the supporting blocks in the process b of the step 2), first wear-resistant anti-slip layers are arranged on the V-shaped supporting surfaces, limiting holes are formed in one side of the tops of the supporting blocks, the V-shaped supporting surfaces can support the two ends of the main path gas collecting pipe, the first wear-resistant anti-slip layers can prevent the main path gas collecting pipe and the branch path gas collecting pipe from rotating when being welded, and welding quality is improved.
Further, the lower welding block in the step 2) is fixedly connected to the top surface of the support bar through a second upright post, a first main path arc-shaped channel and a first branch path arc-shaped channel are arranged on the top surface of the lower welding block, the first main path arc-shaped channel is perpendicular to the first branch path arc-shaped channel, a first melting channel is arranged between the first main path arc-shaped channel and the first branch path arc-shaped channel, a first negative plate is arranged in the first main path arc-shaped channel, a second negative plate is arranged in the first branch path arc-shaped channel, the second upright post improves the connection strength and stability between the lower welding block and the support bar, the welding is convenient while the main path gas collecting pipe is supported, the first main path arc-shaped channel is perpendicular to the first branch path arc-shaped channel, the verticality of the main path gas collecting pipe and the branch path gas collecting pipe after welding can be improved, the welding quality is improved, the first melting channel is used for placing a welding ring, the welding precision between the main-path gas collecting pipe and the branch-path gas collecting pipe is improved, the first negative plate and the second negative plate are convenient to electrify, the welding ring is fused along the first melting channel, and the welding quality is improved.
Furthermore, the manual pressing component in the process b of the step 3) comprises supports, pressing arms, pushing covers, connecting rods and manual driving rods, the two supports are symmetrically arranged on the first stand column, one ends of the pressing arms are hinged between the two supports, the other ends of the pressing arms are connected with the connecting rods, one ends of the pushing covers are hinged to the pressing arms, the other ends of the pushing rods are connected with the manual driving rods, the pushing covers are connected with the supports through the connecting rods, the pushing covers can be pressed downwards through pressing the manual driving rods, the pressing arms are pushed forwards under the action of the connecting rods, then the cross beams are pressed downwards through the connecting rods, and the main gas collecting pipes are pressed.
Furthermore, the arc-shaped grooves are formed in two ends of the bottom surface of the cross beam in the process d of the step 3), the second wear-resistant anti-slip layer is installed on the inner side surface of each arc-shaped groove, the limiting rods are arranged on one side, located on the arc-shaped grooves, of the bottom surface of the cross beam, the arc-shaped grooves can compress two ends of the main path gas collecting pipe tightly, and the second wear-resistant anti-slip layer can prevent the main path gas collecting pipe from rotating.
Furthermore, the clamping mechanism in the step 4) comprises a lower clamping plate and an upper clamping plate, the lower clamping plate is fixed on the top surface of the horizontal plate, the upper clamping plate is connected with the lower clamping plate through a fastening screw, and the branch gas collecting tube can be clamped and fixed through the upper clamping plate and the lower clamping plate, so that the stability and reliability of the branch gas collecting tube and the main gas collecting tube during welding are improved, and the welding quality is improved.
Further, a second main arc-shaped channel and a second branch arc-shaped channel are arranged on the upper welding block in the process c of the step 5), the second main arc-shaped channel and the second branch arc-shaped channel are perpendicular to each other, a second melting channel is arranged between the second main arc-shaped channel and the second branch arc-shaped channel, a first positive plate is arranged on the second main arc-shaped channel, a second positive plate is arranged on the second branch arc-shaped channel, the main gas collecting pipe and the branch gas collecting pipe can be positioned through the second main arc-shaped channel and the second branch arc-shaped channel, the second melting channel facilitates the flow of the welding ring after the welding ring is melted, the welding quality between the main gas collecting pipe and the branch gas collecting pipe is improved, the first positive plate and the second positive plate are convenient to be electrified with the first negative plate and the second negative plate, the welding ring is enabled to flow along the first melting channel, and the welding quality is improved.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the manufacturing method has simple steps, not only improves the assembly precision between the branch gas collecting pipe and the main gas collecting pipe, but also greatly improves the welding precision of the fusion of the welding ring, and prevents the use effect of the gas collecting pipe assembly from being influenced by the gap generated between the branch gas collecting pipe and the main gas collecting pipe.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic view of the connection among a support mechanism, a pressing mechanism, a branch gas collecting pipe conveying mechanism, a welding assembly and a bottom plate in the manufacturing method of the gas collecting pipe assembly for the air conditioning unit header of the invention;
FIG. 2 is a schematic connection diagram of the cross beam, the clamping mechanism, the horizontal plate, the first substrate and the bottom plate according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is a schematic structural view of a support mechanism according to the present invention;
FIG. 5 is a schematic view of the structure of the lower solder bump of the present invention;
FIG. 6 is a schematic view of a welded assembly according to the present invention;
FIG. 7 is a schematic view of the structure of the upper solder bump of the present invention.
In the figure: 1-a bottom plate; 2-a distribution box; 3-a pressing mechanism; 4-a cross beam; 5-main path gas collecting pipe; 6-a first substrate; 7-a first guide rail; 8-a first cylinder; 9-a first piston rod; 10-horizontal plate; 11-a second guide rail; 12-a second cylinder; 13-a second piston rod; 14-a clamping mechanism; 15-branch gas collecting pipe; 16-a second slide; 17-a lower clamping plate; 18-an upper clamping plate; 19-through groove; 20-an arc-shaped groove; 21-a limiting rod; 22-a first upright; 23-a connection cover; 24-a connecting rod; 25-a scaffold; 26-a pressing arm; 27-pushing the cover; 28-an engagement rod; 29-manual deflector rod; 30-supporting strips; 31-a support block; 32-V shaped support surface; 33-a limiting hole; 34-lower solder bumps; 36-a second upright; 37-a first main road arc-shaped channel; 38-a first leg arcuate channel; 39-a first melt channel; 40-a first negative plate; 41-a second negative plate; 42-a second substrate; 43-side plate; 44-a fixing plate; 45-top plate; 46-a third cylinder; 47-lifting block; 48-a third guide rail; 49-a third slider; 50-boosting block; 51-a positioning block; 52-a reinforcing rod; 53-a spring; 54-upper welding block; 55-push rod; 56-fixing the rod; 57-a second main road arc-shaped channel; 58-a second branch arc-shaped channel; 59-a second melt channel; 60-a first positive plate; 61-second positive plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
As shown in fig. 1 to 7, the method for manufacturing a gas collecting tube assembly for a header of an air conditioning unit according to the present invention includes the following steps:
1) machining of the base plate 1
a. Firstly, processing a corresponding bottom plate 1 according to design requirements, polishing the surface of the bottom plate 1, and marking installation positions of a supporting mechanism, a pressing mechanism 3 and a welding assembly along the top surface of the bottom plate 1 to improve the installation precision, so as to improve the welding precision between a branch gas collecting pipe 15 and a main gas collecting pipe 5;
b. then, a distribution box 2 and a controller are arranged along one side of the bottom plate 1;
2) mounting of support mechanisms
a. Firstly, processing a supporting strip 30 with a corresponding size according to design requirements, and polishing the surface of the supporting strip 30;
b. then, the supporting blocks 31 are symmetrically installed along two ends of the top surface of the supporting bar 30, and the supporting blocks 31 are used for supporting two ends of the main path gas collecting pipe 5 of the gas collecting pipe assembly; the V-shaped supporting surface 32 is symmetrically arranged on the supporting block 31, the first wear-resistant anti-slip layer is arranged on the V-shaped supporting surface 32, one side of the top of the supporting block 31 is provided with a limiting hole 33, the V-shaped supporting surface 32 can support two ends of the main gas collecting pipe 5, and the first wear-resistant anti-slip layer can prevent the main gas collecting pipe 5 from rotating when being welded with the branch gas collecting pipe 15, so that the welding quality is improved.
c. Then, lower welding blocks 34 are uniformly arranged between the two supporting blocks 31 along the top surfaces of the supporting bars 30, and the main path gas collecting pipe 5 is positioned and supported through the lower welding blocks 34; the lower welding block 34 is fixedly connected to the top surface of the support bar 30 through the second upright post 36, the top surface of the lower welding block 34 is provided with a first main path arc-shaped channel 37 and a first branch path arc-shaped channel 38, the first main path arc-shaped channel 37 is perpendicular to the first branch path arc-shaped channel 38, a first melting channel 39 is arranged between the first main path arc-shaped channel 37 and the first branch path arc-shaped channel 38, a first negative plate 40 is arranged in the first main path arc-shaped channel 37, the first branch path arc-shaped channel 38 is provided with a second negative plate 41, the second upright post 36 improves the connection strength and stability between the lower welding block 34 and the support bar 30, the main path gas collecting tube 5 is supported, meanwhile, the welding is convenient, the first main path arc-shaped channel 37 is perpendicular to the first branch path arc-shaped channel 38, so that the main path gas collecting tube 5 and the branch path gas collecting tube 15 can be kept perpendicular after being welded, and the welding quality is improved, first melting channel 39 is used for placing the welding ring, improves the welding precision between main road gas collecting pipe 5 and branch road gas collecting pipe 15, and first negative plate 40 and second negative plate 41 are convenient for circular telegram, make the welding ring along first melting channel 39 melting, improve welding quality.
3) The hold-down mechanism 3 is installed
a. Firstly, processing corresponding first upright posts 22 according to design requirements, vertically and fixedly installing the two first upright posts 22 at set positions on the top surface of the bottom plate 1, and ensuring equal distances between the first upright posts 22 and the supporting bars 30;
b. a manual compression assembly is then installed along the top surface of each first upright 22; the manual pressing assembly comprises supports 25, pressing arms 26, a pushing cover 27, a connecting rod 28 and a manual driving lever 29, the two supports 25 are symmetrically arranged on the first stand column 22, one end of each pressing arm 26 is hinged between the two supports 25, the other end of each pressing arm 26 is connected with the connecting rod 24, one end of each pushing cover 27 is hinged to the corresponding pressing arm 26, the other end of each pushing rod is connected with the manual driving lever 29, the pushing covers 27 are connected with the supports 25 through the corresponding connecting rods 28, the pushing covers 27 can be pressed downwards through pressing the manual driving lever 29, the pressing arms 26 are pushed forwards under the action of the corresponding connecting rods 28, and then the cross beams 4 are pressed downwards through the connecting rods 24 to press the main gas collecting pipes 5.
c. Secondly, manufacturing a cross beam 4 with a proper size according to the size of the supporting bars 30, and vertically and downwards forming a through groove 19 along the top surface of the cross beam 4 to ensure that a welding assembly penetrates through the through groove 19 to weld the main-path gas collecting pipe 5 and the branch-path gas collecting pipe 15;
d. finally, symmetrically installing connecting covers 23 along two sides of the top surface of the cross beam 4, and connecting the connecting covers 23 to the manual pressing assembly through connecting rods 24; arc wall 20 is seted up at the bottom surface both ends of crossbeam 4, installs the wear-resisting skid resistant course of second on the medial surface of arc wall 20, and the one side that lies in arc wall 20 on the bottom surface of crossbeam 4 is provided with gag lever post 21, and arc wall 20 can compress tightly the both ends of main road gas collecting pipe 5, and the wear-resisting skid resistant course of second can prevent that main road gas collecting pipe 5 from taking place to rotate.
4) Installation of branch gas collecting pipe 15 conveying mechanism
a. Firstly, manufacturing a first substrate 6 and a horizontal plate 10 with proper sizes according to design requirements, polishing the surfaces of the first substrate 6 and the horizontal plate 10, installing two first guide rails 7 which are parallel to each other at set positions along the top surface of a bottom plate 1, connecting the first substrate 6 on the first guide rails 7 in a sliding manner through a first sliding block, arranging a first air cylinder 8 on the bottom plate 1, and connecting the first air cylinder 8 with the first substrate 6 through a first piston rod 9;
b. then two second guide rails 11 which are parallel to each other are installed along the set position of the top surface of the first substrate 6, the horizontal plate 10 is connected to the second guide rails 11 in a sliding mode through second sliders 16, a second air cylinder 12 is arranged on the first substrate 6, and the second air cylinder 12 is connected with the horizontal plate 10 through a second piston rod 13;
c. then, uniformly installing clamping mechanisms 14 for clamping branch gas collecting pipes 15 on the top surface of the horizontal plate 10; the clamping mechanism 14 comprises a lower clamping plate 17 and an upper clamping plate 18, the lower clamping plate 17 is fixed on the top surface of the horizontal plate 10, the upper clamping plate 18 is connected with the lower clamping plate 17 through a fastening screw, and the branch gas collecting pipe 15 can be clamped and fixed through the upper clamping plate 18 and the lower clamping plate 17, so that the stability and reliability of the branch gas collecting pipe 15 and the main gas collecting pipe 5 during welding are improved, and the welding quality is improved.
5) Welded assembly installation
a. Firstly, determining the size of a welding assembly according to the height of the first upright post 22 and the lifting height of the cross beam 4, manufacturing a second base plate 42, installing two parallel side plates 43 along the top surface of the second base plate 42, and installing a fixing plate 44 along the same side of the two side plates 43;
b. then, a top plate 45 is horizontally installed along the top surface of the fixed plate 44, a third air cylinder 46 is installed along the top surface of the top plate 45, the third air cylinder 46 is connected with a lifting block 47 through a piston rod, two third guide rails 48 which are parallel to each other are installed on the fixed plate 44, and the lifting block 47 is connected to the third guide rails 48 in a sliding mode through a third sliding block 49;
c. selecting a proper boosting block 50, a fixing rod 56 and an upper welding block 54 according to the position of each lower welding block 34, fixedly connecting two adjacent boosting blocks 50 through the fixing rod 56, respectively connecting the upper welding blocks 54 with the corresponding boosting blocks 50 through boosting rods 55, fixedly installing the boosting blocks 50 at two ends on a lifting block 47, arranging a positioning block 51 on the lifting block 47, connecting the positioning block 51 with the boosting blocks 50 through a reinforcing rod 52, and connecting the positioning block 51 with a top plate 45 through a spring 53; the upper welding block 54 is provided with a second main arc-shaped channel 57 and a second branch arc-shaped channel 58, the second main arc-shaped channel 57 is perpendicular to the second branch arc-shaped channel 58, a second melting channel 59 is arranged between the second main arc-shaped channel 57 and the second branch arc-shaped channel 58, a first positive plate 60 is arranged on the second main arc-shaped channel 57, a second positive plate 61 is arranged on the second branch arc-shaped channel 58, the second main arc-shaped channel 57 and the second branch arc-shaped channel 58 can position the main gas collecting pipe 5 and the branch gas collecting pipe 15, the second melting channel 59 is convenient for the welding ring to flow after melting, the welding quality between the main gas collecting pipe 5 and the branch gas collecting pipe 15 is improved, the first positive plate 60 and the second positive plate 61 are convenient for being electrified with the first negative plate 40 and the second negative plate 41, the welding ring flows along the first melting channel 39 in a melting mode, and the welding quality is improved.
d. Finally, fixedly mounting the mounted welding assembly on the bottom plate 1;
6) welding of manifold assembly
a. Firstly, horizontally placing a main path gas collecting tube 5 on a supporting block 31 and a lower welding block 34, fixing each branch gas collecting tube 15 on a horizontal plate 10 through a clamping mechanism 14, installing a welding ring on each lower welding block 34, and driving a cross beam 4 to move downwards through a manual pressing assembly until the main path gas collecting tube 5 is pressed;
b. then starting a first cylinder 8, driving a first substrate 6 to perform fine adjustment along the X direction through a first piston rod 9, after the fine adjustment is carried out to the set position, starting a second cylinder 12, driving a horizontal plate 10 to move along the Y direction through a second piston rod 13 until a branch gas collecting pipe 15 touches a main path gas collecting pipe 5;
c. then, starting the third air cylinder 46, and driving the boosting block 50 and the upper welding block 54 to move downwards through the third piston rod until the upper welding block 54 touches the main path gas collecting pipe 5 and the branch gas collecting pipe 15;
d. and finally, electrifying the upper welding block 54 and the lower welding block 34, realizing the fusion welding between the branch gas collecting tube 15 and the main gas collecting tube 5 through a welding ring, loosening the upper welding block 54 after the welding is finished, taking out the gas collecting tube assembly, and welding the next main gas collecting tube 5 and the branch gas collecting tube 15.
The manufacturing method of the invention has simple steps, not only improves the assembly precision between the branch gas collecting pipe 15 and the main path gas collecting pipe 5, but also greatly improves the welding precision of the fusion of the welding ring, and prevents the use effect of the gas collecting pipe assembly from being influenced by the gap generated between the branch gas collecting pipe 15 and the main path gas collecting pipe 5.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (7)
1. The manufacturing method of the gas collecting pipe component for the header of the air conditioning unit is characterized by comprising the following steps of:
1) machining of bottom plates
a. Firstly, processing a corresponding bottom plate according to design requirements, polishing the surface of the bottom plate, and marking installation positions of a supporting mechanism, a pressing mechanism and a welding assembly along the top surface of the bottom plate;
b. then installing a distribution box and a controller along one side of the bottom plate;
2) mounting of support mechanisms
a. Firstly, processing a support bar with a corresponding size according to design requirements, and polishing the surface of the support bar;
b. then, symmetrically installing supporting blocks along two ends of the top surface of the supporting bar, and supporting two ends of a main gas collecting pipe of the gas collecting pipe assembly through the supporting blocks;
c. then, lower welding blocks are uniformly arranged between the two supporting blocks along the top surface of the supporting bar, and the main circuit gas collecting pipe is positioned and supported through the lower welding blocks;
3) mounting of hold-down mechanism
a. Firstly, processing corresponding first stand columns according to design requirements, vertically and fixedly installing the two first stand columns at set positions on the top surface of the bottom plate, and ensuring that the distances between the first stand columns and the supporting bars are equal;
b. then installing a manual compaction assembly along the top surface of each first upright post;
c. secondly, manufacturing a cross beam with a proper size according to the size of the supporting bars, and vertically and downwards forming a through groove along the top surface of the cross beam to ensure that the main path gas collecting pipe and the branch path gas collecting pipe are welded after the welding assembly penetrates through the through groove;
d. finally, symmetrically installing connecting covers along two sides of the top surface of the cross beam, and connecting the connecting covers to the manual pressing assembly through connecting rods;
4) installation of branch gas collecting pipe conveying mechanism
a. Firstly, manufacturing a first substrate and a horizontal plate with proper sizes according to design requirements, polishing the surfaces of the first substrate and the horizontal plate, installing two first guide rails which are parallel to each other at set positions along the top surface of a bottom plate, connecting the first substrate to the first guide rails in a sliding manner through a first sliding block, and arranging a first air cylinder on the bottom plate, wherein the first air cylinder is connected with the first substrate through a first piston rod;
b. then two second guide rails which are parallel to each other are arranged along the set position of the top surface of the first substrate, the horizontal plate is connected to the second guide rails in a sliding mode through second sliding blocks, a second air cylinder is arranged on the first substrate, and the second air cylinder is connected with the horizontal plate through a second piston rod;
c. then, uniformly installing clamping mechanisms for clamping the branch gas collecting pipes along the top surface of the horizontal plate;
5) welded assembly installation
a. Firstly, determining the size of a welding assembly according to the height of a first upright column and the lifting height of a cross beam, manufacturing a second base plate, installing two parallel side plates along the top surface of the second base plate, and installing a fixing plate along the same side of the two side plates;
b. then horizontally installing a top plate along the top surface of the fixed plate, installing a third air cylinder along the top surface of the top plate, connecting the third air cylinder with a lifting block through a piston rod, installing two mutually parallel third guide rails on the fixed plate, and slidably connecting the lifting block to the third guide rails through a third sliding block;
c. selecting a proper boosting block, a fixed rod and an upper welding block according to the position of each lower welding block, fixedly connecting two adjacent boosting blocks through the fixed rod, respectively connecting the upper welding blocks with the corresponding boosting blocks through the boosting rods, fixedly installing the boosting blocks at two ends on a lifting block, arranging a positioning block on the lifting block, connecting the positioning block with the boosting blocks through reinforcing rods, and connecting the positioning block with a top plate through a spring;
d. finally, fixedly mounting the mounted welding assembly on a bottom plate;
6) welding of gas header assembly
a. Firstly, horizontally placing a main path gas collecting pipe on a supporting block and a lower welding block, fixing each branch gas collecting pipe on a horizontal plate through a clamping mechanism, installing a welding ring on each lower welding block, and driving a cross beam to move downwards through a manual pressing assembly until the main path gas collecting pipe is pressed;
b. then starting a first cylinder, driving a first substrate to perform fine adjustment along the X direction through a first piston rod, after the substrate is adjusted to a set position, starting a second cylinder, driving a horizontal plate to move along the Y direction through a second piston rod until a branch gas collecting pipe touches a main gas collecting pipe;
c. then, a third air cylinder is started, and the boosting block and the upper welding block are driven to move downwards through a third piston rod until the upper welding block touches the main-path gas collecting pipe and the branch-path gas collecting pipe;
d. and finally, electrifying the upper welding block and the lower welding block, realizing fusion welding between the branch gas collecting tube and the main path gas collecting tube through the welding ring, loosening the upper welding block after welding is finished, taking out the gas collecting tube assembly, and welding the next main path gas collecting tube and the branch gas collecting tube.
2. The method of manufacturing a header assembly for an air conditioning unit header as recited in claim 1, wherein: v-shaped supporting surfaces are symmetrically arranged on the supporting blocks in the step 2), a first wear-resistant anti-slip layer is arranged on each V-shaped supporting surface, and a limiting hole is formed in one side of the top of each supporting block.
3. The method of manufacturing a header assembly for an air conditioning unit header as set forth in claim 1, wherein: in the step 2) process c, the lower welding block is fixedly connected to the top surface of the supporting bar through the second stand column, a first main path arc-shaped channel and a first branch path arc-shaped channel are arranged on the top surface of the lower welding block, the first main path arc-shaped channel is perpendicular to the first branch path arc-shaped channel, a first melting channel is arranged between the first main path arc-shaped channel and the first branch path arc-shaped channel, a first negative plate is arranged in the first main path arc-shaped channel, and the first branch path arc-shaped channel is provided with a second negative plate.
4. The method of manufacturing a header assembly for an air conditioning unit header as set forth in claim 1, wherein: the manual pressing assembly in the step 3) comprises supports, pressing arms, pushing covers, connecting rods and manual driving rods, the two supports are symmetrically arranged on the first stand column, one ends of the pressing arms are hinged between the two supports, the other ends of the pressing arms are connected with the connecting rods, one ends of the pushing covers are hinged to the pressing arms, the other ends of the pushing covers are connected with the manual driving rods, and the pushing covers are connected with the supports through the connecting rods.
5. The method of manufacturing a header assembly for an air conditioning unit header as set forth in claim 1, wherein: arc-shaped grooves are formed in two ends of the bottom surface of the cross beam in the step 3), a second wear-resistant anti-slip layer is installed on the inner side surface of each arc-shaped groove, and a limiting rod is arranged on one side, located on each arc-shaped groove, of the bottom surface of the cross beam.
6. The method of manufacturing a header assembly for an air conditioning unit header as set forth in claim 1, wherein: in the step 4), the clamping mechanism in the process c comprises a lower clamping plate and an upper clamping plate, the lower clamping plate is fixed on the top surface of the horizontal plate, and the upper clamping plate is connected with the lower clamping plate through a fastening screw.
7. The method of manufacturing a header assembly for an air conditioning unit header as set forth in claim 1, wherein: in the step 5), a second main path arc-shaped channel and a second branch path arc-shaped channel are arranged on the upper welding block in the process c, the second main path arc-shaped channel and the second branch path arc-shaped channel are perpendicular to each other, a second melting channel is arranged between the second main path arc-shaped channel and the second branch path arc-shaped channel, a first positive plate is arranged on the second main path arc-shaped channel, and a second positive plate is arranged on the second branch path arc-shaped channel.
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Denomination of invention: Manufacturing method of gas collection pipe components for air conditioning unit headers Granted publication date: 20220712 Pledgee: Industrial and Commercial Bank of China Limited Xinchang sub branch Pledgor: XINCHANG HONGLI REFRIGERATION Co.,Ltd. Registration number: Y2024330000545 |