CN113084432A - A automatic welding jig of robot for photovoltaic inverter machine case - Google Patents
A automatic welding jig of robot for photovoltaic inverter machine case Download PDFInfo
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- CN113084432A CN113084432A CN202110388835.9A CN202110388835A CN113084432A CN 113084432 A CN113084432 A CN 113084432A CN 202110388835 A CN202110388835 A CN 202110388835A CN 113084432 A CN113084432 A CN 113084432A
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- photovoltaic inverter
- automatic welding
- slide rail
- cylinders
- chassis
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- 238000003466 welding Methods 0.000 title claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000011324 bead Substances 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims description 36
- 239000000758 substrate Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000035882 stress Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 230000008646 thermal stress Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inverter Devices (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a robot automatic welding clamp for a photovoltaic inverter case, and belongs to the technical field of photovoltaic inverter case processing. This automatic welding jig of robot includes the bottom plate, anchor clamps positioning mechanism, welding bead gap control mechanism, control system, anchor clamps positioning mechanism includes location platform base plate and slide rail, be equipped with on the slide rail and lean on the position board with two of two end plate one-to-ones, lean on the position board to be located photovoltaic inverter machine case outsidely, still be provided with two telescopic cylinder that are located photovoltaic inverter machine incasement portion on the bottom plate, welding bead gap control mechanism includes the swing arm, with photovoltaic inverter machine case left and right sides, a plurality of thrust cylinders that both ends offset respectively around, control system passes through gas circuit connected mode respectively with thrust cylinder, telescopic cylinder links to each other. The fixture realizes automatic positioning and fixing between the end plate and the shell, is convenient to weld, improves welding quality, cools the position of a welding seam, reduces deformation and improves product quality.
Description
Technical Field
The invention relates to the technical field of photovoltaic inverter case processing, in particular to a robot automatic welding clamp for a photovoltaic inverter case.
Background
Photovoltaic inverters are inverters that convert variable dc voltage produced by Photovoltaic (PV) solar panels into mains frequency Alternating Current (AC), which can be fed back to a commercial power transmission system or used by an off-grid power grid. Photovoltaic inverters are one of the important system Balances (BOS) in photovoltaic array systems, and can be used with general ac powered equipment. The solar inverter has special functions matched with the photovoltaic array, such as maximum power point tracking and island effect protection.
In the prior art, weld bead gaps among welding pieces of the photovoltaic inverter have high matching precision requirements, however, the overall dimension of a product cannot be effectively ensured due to serious thermal stress deformation in the welding process, and a welding seam is easy to break; and the existing processing process generally adopts manual positioning and welding, so that the processing efficiency is lower, and the product quality cannot be effectively guaranteed.
Disclosure of Invention
In order to solve the technical problem, the embodiment of the invention provides a robot automatic welding clamp for a photovoltaic inverter chassis.
The first aspect of the embodiment of the invention provides a robot automatic welding fixture for a photovoltaic inverter chassis, wherein the photovoltaic inverter chassis is provided with a shell and two end plates positioned at the front end and the rear end, the robot automatic welding fixture comprises a bottom plate and a fixture positioning mechanism, the fixture positioning mechanism comprises a positioning platform substrate and a slide rail, the positioning platform substrate is arranged on the bottom plate, the two end plates are placed into the positioning platform substrate, two leaning plates which are in one-to-one correspondence with the two end plates are arranged on the slide rail, the leaning plates are positioned outside the photovoltaic inverter chassis and can slide on the slide rail along the front-to-rear direction, and two telescopic cylinders which are positioned inside the photovoltaic inverter chassis and in one-to-one correspondence with the two end plates are also arranged on the bottom plate.
In an embodiment, the robot automatic welding fixture further comprises a welding bead gap control mechanism, and the welding bead gap control mechanism comprises a swing arm which is movably arranged and is abutted against the top of the shell.
In an embodiment, the robot automatic welding fixture further comprises a control system, the welding bead gap control mechanism further comprises a plurality of thrust cylinders which are respectively abutted against the left side, the right side, the front end and the rear end of the photovoltaic inverter case, and the control system is respectively connected with the thrust cylinders and the telescopic cylinders in an air path connection mode.
A second aspect of the embodiments of the present invention provides a robotic automatic welding fixture for a pv inverter chassis, the pv inverter chassis having a housing and two end plates located at front and rear ends, the robotic automatic welding fixture including a bottom plate, a fixture positioning mechanism, a bead gap control mechanism, and a control system, the fixture positioning mechanism including a positioning platform substrate and a slide rail disposed on the bottom plate, the two end plates being placed on the positioning platform substrate, the slide rail being provided with two rest plates corresponding to the two end plates one to one, the rest plates being located outside the pv inverter chassis and being capable of sliding on the slide rail in a front-rear direction, the rest plates being located outside the pv inverter chassis, the bottom plate being further provided with two telescopic cylinders located inside the pv inverter chassis and corresponding to the two end plates one to one, welding bead gap control mechanism including the activity set up and with the swing arm that the casing top offseted, with photovoltaic inverter machine case left and right sides and front and back both ends respectively a plurality of thrust cylinder that offset, control system through the gas circuit connected mode respectively with thrust cylinder flexible cylinder links to each other.
In an embodiment, the positioning platform substrate is provided with a self-guiding positioning pin, the slide rail is arranged to be left and right, the slide rail is provided with two slide blocks which are distributed front and back, one of the two slide blocks is arranged on the front end of the leaning plate, and the other slide block is arranged on the rear end of the leaning plate.
In one embodiment, the bead gap control mechanism includes four swing arms that abut against the top of the housing and have four corners.
In an embodiment, two thrust cylinders are respectively butted on the left side and the right side of the photovoltaic inverter case, and at least one thrust cylinder is respectively butted on the front end and the rear end of the photovoltaic inverter case.
In an embodiment, the robot automatic welding fixture further comprises a tightening stress mechanism, the tightening stress mechanism comprises four rotary cylinders and four powerful pressure cylinders, the four rotary cylinders are arranged inside the photovoltaic inverter case and are distributed with four corners, the four powerful pressure cylinders are in one-to-one butt joint with the four swing arms, and the control system is connected with the rotary cylinders and the powerful pressure cylinders respectively in a gas circuit connection mode.
In an embodiment, the robot automatic welding fixture further comprises a self-heat-dissipation cooling system, wherein the self-heat-dissipation cooling system comprises four side cooling blocks respectively installed on four thrust cylinders corresponding to the left side and the right side of the photovoltaic inverter case and four top cooling blocks respectively installed on four swing arms, the side cooling blocks are arranged at butt joint positions corresponding to the thrust cylinders and the photovoltaic inverter case, and the top cooling blocks are arranged at butt joint positions corresponding to the swing arms and the photovoltaic inverter case.
In an embodiment, the positioning platform base plate, the side cooling block and the top cooling block are respectively provided with a cold water coil inside.
According to the technical scheme provided by the embodiment of the invention, a shell of the photovoltaic inverter is placed on a platform substrate, under the action of a telescopic cylinder, end plates on two sides are pushed to enable the end plates to be tightly attached to leaning plates arranged on two sides in a fixture positioning mechanism, so that the positioning rod of the end plates is completed, meanwhile, a swing arm in a welding bead gap control mechanism is pressed above the shell under the action of a plurality of thrust cylinders to tightly press the platform substrate of the shell, and the positioning and fixing between the end plates and the shell are realized through the combined action of the mechanisms, so that the subsequent welding processing work is facilitated; meanwhile, the self-guiding positioning pin arranged on the platform substrate can guide and position the shell when the shell is placed on the platform substrate, so that the position of the shell is fixed, the position between the shell and the end plate is further ensured to be accurate, and the welding quality is improved. In the welding process, the welding bead gap control mechanism controls the width size of the welding bead, so that the welding quality is improved; meanwhile, the welding seam position is cooled through a self-radiating cooling system, so that the deformation of the welding seam position is reduced; after the welding is completed, the whole photovoltaic inverter case is further clamped by the clamping stress mechanism, the stability of the case body is ensured, the rebound deformation of the case body is avoided, and the product quality of the photovoltaic inverter case is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a robotic automatic welding fixture for a photovoltaic inverter chassis of the present invention;
FIG. 2 is a schematic structural diagram of the photovoltaic inverter chassis hidden by the robotic automatic welding fixture for the photovoltaic inverter chassis of the present invention;
FIG. 3 is a schematic top view of the robotic automatic welding fixture for a photovoltaic inverter chassis of the present invention with the photovoltaic inverter chassis concealed;
fig. 4 is a schematic top view of the positioning platform substrate in the robotic automatic welding fixture for a photovoltaic inverter chassis according to the present invention.
In the figure: a housing 1; an end plate 2; a base plate 3; a positioning stage substrate 4; a slide rail 5; a telescopic cylinder 6; a swing arm 7; a thrust cylinder 8; a control system 9; a self-guiding locating pin 10; a slider 11; a rotary cylinder 12; a powerful cylinder 13; a side cooling block 14; a top cooling block 15.
Detailed Description
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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the following embodiments may be combined without conflict.
See fig. 1-4 for illustration: the invention discloses a robot automatic welding fixture for a photovoltaic inverter chassis, which is provided with a shell 1 and two end plates 2 positioned at the front end and the rear end, and comprises a bottom plate 3, a fixture positioning mechanism, a welding bead gap control mechanism and a control system 9, wherein the fixture positioning mechanism comprises a positioning platform substrate 4 and a slide rail 5 which are arranged on the bottom plate 3, the two end plates 2 are placed in the positioning platform substrate 4, the slide rail 5 is provided with two leaning plates which are in one-to-one correspondence with the two end plates 2, the leaning plates are positioned outside the photovoltaic inverter chassis and can slide on the corresponding slide rail along the front-to-rear direction, the bottom plate 3 is also provided with two telescopic cylinders 6 which are positioned inside the photovoltaic inverter chassis and in one-to-one correspondence with the two end plates 2, welding bead gap control mechanism including the activity set up and with swing arm 7 that 1 top of casing offseted, with a plurality of thrust cylinder 8 that photovoltaic inverter machine case left and right sides, front and back both ends offseted respectively, control system 9 through the gas circuit connected mode respectively with thrust cylinder 8 telescopic cylinder 6 links to each other.
Photovoltaic inverter's casing 1 is placed on the platform base plate, the position board that leans on of both sides passes through behind the slide rail 5 adjustment position among the anchor clamps positioning mechanism, under telescopic cylinder 6's effect, promote the end plate 2 of both sides, make end plate 2 hug closely set up in anchor clamps positioning mechanism on the position board that leans on of both sides, thereby accomplish the locating lever of end plate 2, and simultaneously, swing arm 7 among the welding bead gap control mechanism is under a plurality of thrust cylinder 8's effect, press in casing 1 top, compress tightly between the 1 platform base plate of casing, and simultaneously, drive above-mentioned mechanism at control system 9 and carry out combined action, realized location and fixed between end plate 2 and the casing 1, so that subsequent welding process work, and reduced the deformation that casing 1 and end plate 2 take place at the welding process, the welding seam quality has been improved.
In an embodiment, the positioning platform substrate 4 is provided with a self-guiding positioning pin 10, the slide rail 5 is provided with a left slide block and a right slide block, the slide rail 5 is provided with two slide blocks 11 distributed in a front-back direction, one of the two slide blocks 11 located at the front end is provided with the leaning plate, and the other slide block 11 located at the rear end is provided with the leaning plate.
The self-guiding positioning pin 10 arranged on the platform substrate can guide and position the shell 1 when the shell 1 is placed on the platform substrate, so that the position of the shell 1 is fixed, the position between the shell 1 and the end plate 2 is further ensured to be accurate, and the production quality of a product is improved; meanwhile, the leaning plate is fixedly connected with the sliding block 11, and is in sliding connection with the sliding rail 5, the moving direction of the leaning plate is guided and limited through the sliding rail 5, so that the leaning plate cannot deflect when the position is adjusted, the accuracy of the position adjustment of the leaning plate is ensured, and the quality of subsequent products is improved.
In an embodiment, the welding bead gap control mechanism includes four swing arms 7 abutting against the top of the casing 1 and having four corners, two thrust cylinders 8 are respectively abutted to the left and right sides of the pv inverter chassis, and at least one thrust cylinder 8 is respectively abutted to the front and rear ends of the pv inverter chassis.
Four swing arms 7 respectively with four looks butt of casing 1, fix a position the upper surface of casing 1 and compress tightly through four swing arms 7, thrust cylinder 8 that sets up in the photovoltaic inverter machine case left and right sides simultaneously fixes a position and compresses tightly casing 1's side, thrust cylinder 8 that sets up around the photovoltaic inverter fixes a position and compresses tightly end plate 2, effect through swing arm 7 and thrust cylinder 8, fix a position casing 1 and end plate 2, both guarantee can accurately be stable in welding process, with welding bead gap control in required scope, also can fix welded casing 1 and end plate 2, prevent that the photovoltaic inverter machine case from taking place to kick-back to be out of shape because of the temperature difference after the welding, ensure that the product quality of photovoltaic inverter machine case is good.
In an embodiment, the robot automatic welding fixture further comprises a tightening force-bearing mechanism, the tightening force-bearing mechanism comprises four rotary cylinders 12 arranged inside the photovoltaic inverter case and distributed with four corners, and four powerful cylinders 13 in one-to-one butt joint with the four swing arms 7, and the control system 9 is connected with the rotary cylinders 12 and the powerful cylinders 13 respectively in a gas circuit connection mode.
After the welding is completed, the tightening accepting mechanism fastens and tightens the whole photovoltaic inverter case through the four rotary cylinders 12 and the four strong pressure cylinders 13 which are in one-to-one butt joint with the four swing arms 7, so that the stability of the case body is ensured, the rebound deformation after the welding is further prevented, and the product quality of the photovoltaic inverter case is improved.
In an embodiment, the automatic welding jig of the robot further comprises a self-heat-dissipation cooling system, the self-heat-dissipation cooling system comprises four side cooling blocks 14 corresponding to the four thrust cylinders 8 one by one and four top cooling blocks 15 respectively installed on the four swing arms 7, the side cooling blocks 14 are arranged at the butt joint positions corresponding to the thrust cylinders 8 and the photovoltaic inverter chassis, and cold water coils are respectively arranged inside each of the positioning platform substrate 4, the side cooling blocks 14 and the top cooling blocks 15.
The self-radiating cooling system cools the welding line on the side of the photovoltaic inverter case through four cooling blocks which correspond to the four thrust cylinders 8 one by one, cools the welding line on the top of the photovoltaic inverter case through four top cooling blocks 15 which are respectively arranged on the four swing arms 7, and meanwhile, cold water coils are arranged in the positioning platform substrate 4, the side cooling blocks 14 and the top cooling blocks 15, so that the cooling effect is more excellent; when welding robot carries out weldment work through cooling system from dispelling the heat, the heat that produces the welding is through cooling water conduction heat dissipation, thereby reduce the deformation that photovoltaic inverter machine case product produced in welding process, further promotion product quality, wherein install the lower surface of top cooling block 15 on swing arm 7 for with photovoltaic inverter box assorted cambered surface, and then make the top cooling can be more comprehensive laminate mutually with the photovoltaic inverter box soon, thereby play better cooling effect.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an automatic welding jig of robot for photovoltaic inverter machine case, photovoltaic inverter machine case has the casing and is located two end plates at both ends around, its characterized in that, this automatic welding jig of robot includes bottom plate, anchor clamps positioning mechanism is including setting up location platform base plate and the slide rail on the bottom plate, two the end plate is put into the location platform base plate, be equipped with on the slide rail with two the position board is leaned on to two of end plate one-to-one, lean on the position board to be located photovoltaic inverter machine case outside just can follow the fore-and-aft direction and be corresponding slide on the slide rail still be provided with on the bottom plate and be located inside and two of photovoltaic inverter machine case two telescopic cylinder of end plate one-to-one.
2. The robotic automatic welding fixture for a photovoltaic inverter chassis of claim 1, further comprising a bead gap control mechanism, wherein the bead gap control mechanism comprises a swing arm movably disposed and abutting against a top of the housing.
3. The robot automatic welding fixture for the photovoltaic inverter chassis according to claim 2, further comprising a control system, wherein the bead gap control mechanism further comprises a plurality of thrust cylinders respectively abutting against the left side, the right side, the front end and the rear end of the photovoltaic inverter chassis, and the control system is respectively connected with the thrust cylinders and the telescopic cylinders in a gas path connection manner.
4. A robot automatic welding fixture for a photovoltaic inverter case is provided with a shell and two end plates positioned at the front end and the rear end, and is characterized by comprising a bottom plate, a fixture positioning mechanism, a welding bead gap control mechanism and a control system, wherein the fixture positioning mechanism comprises a positioning platform substrate and a slide rail which are arranged on the bottom plate, the two end plates are placed on the positioning platform substrate, the slide rail is provided with two leaning plates which are in one-to-one correspondence with the two end plates, the leaning plates are positioned outside the photovoltaic inverter case and can slide on the slide rail along the front-to-rear direction, the leaning plates are positioned outside the photovoltaic inverter case, the bottom plate is also provided with two telescopic cylinders which are positioned inside the photovoltaic inverter case and in one-to-one correspondence with the two end plates, welding bead gap control mechanism including the activity set up and with the swing arm that the casing top offseted, with photovoltaic inverter machine case left and right sides and front and back both ends respectively a plurality of thrust cylinder that offset, control system through the gas circuit connected mode respectively with thrust cylinder flexible cylinder links to each other.
5. The robot automatic welding fixture for the photovoltaic inverter chassis according to any one of claims 1 to 4, wherein the positioning platform substrate is provided with a self-guiding positioning pin, the slide rail is provided with a left slide rail and a right slide rail, the slide rail is provided with two slide blocks distributed in a front-back direction, one of the leaning plates is mounted on the two slide blocks at the front end, and the other leaning plate is mounted on the two slide blocks at the rear end.
6. The robotic automatic welding fixture for photovoltaic inverter chassis of claim 3 or 4, wherein the bead gap control mechanism comprises four swing arms abutting against the top of the housing and distributed with four corners.
7. The robot automatic welding fixture for the photovoltaic inverter chassis according to claim 3 or 4, wherein two thrust cylinders are respectively butted on the left side and the right side of the photovoltaic inverter chassis, and at least one thrust cylinder is respectively butted on the front end and the rear end of the photovoltaic inverter chassis.
8. The robot automatic welding fixture for the photovoltaic inverter chassis according to claim 6, further comprising a tightening force mechanism, wherein the tightening force mechanism comprises four rotating cylinders arranged inside the photovoltaic inverter chassis and distributed with four corners, and four powerful pressure cylinders in one-to-one butt joint with the four swing arms, and the control system is connected with the rotating cylinders and the powerful pressure cylinders respectively in a gas path connection manner.
9. The robotic automatic welding fixture for the photovoltaic inverter chassis of claim 7, further comprising a self-cooling system, wherein the self-cooling system comprises four side cooling blocks respectively mounted on four thrust cylinders corresponding to the left and right sides of the photovoltaic inverter chassis, and four top cooling blocks respectively mounted on four swing arms, the side cooling blocks are disposed at positions corresponding to the butting positions of the thrust cylinders and the photovoltaic inverter chassis, and the top cooling blocks are disposed at positions corresponding to the butting positions of the swing arms and the photovoltaic inverter chassis.
10. The robotic automatic welding fixture for photovoltaic inverter chassis of claim 9, wherein the positioning platform substrate, the side cooling block and the top cooling block are respectively provided with a cold water coil inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388835.9A CN113084432A (en) | 2021-04-12 | 2021-04-12 | A automatic welding jig of robot for photovoltaic inverter machine case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388835.9A CN113084432A (en) | 2021-04-12 | 2021-04-12 | A automatic welding jig of robot for photovoltaic inverter machine case |
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| CN113084432A true CN113084432A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110388835.9A Pending CN113084432A (en) | 2021-04-12 | 2021-04-12 | A automatic welding jig of robot for photovoltaic inverter machine case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909771A (en) * | 2021-10-18 | 2022-01-11 | 山东科技大学 | Pentahedral stainless steel sheet cabinet spot welding fixture |
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| KR101145115B1 (en) * | 2011-12-23 | 2012-05-14 | 두산중공업 주식회사 | An assisting apparatus for rotation type welding |
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| CN113909771B (en) * | 2021-10-18 | 2024-05-14 | 山东科技大学 | Spot welding fixture for pentahedron stainless steel sheet cabinet |
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