WO2021167545A1 - A resistance welding robot with an external power supply - Google Patents
A resistance welding robot with an external power supply Download PDFInfo
- Publication number
- WO2021167545A1 WO2021167545A1 PCT/TR2020/050125 TR2020050125W WO2021167545A1 WO 2021167545 A1 WO2021167545 A1 WO 2021167545A1 TR 2020050125 W TR2020050125 W TR 2020050125W WO 2021167545 A1 WO2021167545 A1 WO 2021167545A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- welding
- power supply
- steel
- movement
- Prior art date
Links
Classifications
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/314—Spot welding guns, e.g. mounted on robots
- B23K11/315—Spot welding guns, e.g. mounted on robots with one electrode moving on a linear path
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3054—Cooled electrodes
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
Definitions
- the invention relates to a resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in limited areas.
- Vehicle manufacturers especially carry out a large number of activities to allow the vehicles to meet the desired safety criteria and to determine the optimum number of resources and to control them in practice.
- virtual analysis results are also important inputs for determining the number of resources. Since each resource point requires an additional cost, it is important to find the optimum number of resources.
- Power supplies are one of the most important parts in welding machines; however, they restrict the movements of said machines since said power supplies are very heavy.
- the power supplies are located on the robotic arm of said machines.
- a large robotic arm is needed to carry the power supply weight and the welding assembly on these welding machines.
- large areas are required for the use of said machines.
- the transportation of said machines is very laborious and time-consuming.
- the invention which is subject to registration provides an external power supply by positioning the power supply outside the welding module that performs the welding process, and thereby aims to allow the welding process to be performed in a faster way by reducing the load on the arms of the welding robot carrying the welding module, and to minimize the area required for the welding process by reducing the size of the robot.
- Figure 1 The perspective view of a resistance welding robot with an external power supply in a front view
- Figure 2 The perspective view of a resistance welding robot with an external power supply in a rear view
- FIG. 3 The exploded view of a resistance welding robot with an external power supply in a front view
- Figure 4 The exploded view of a resistance welding robot with an external power supply in a side view
- the invention is a resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in limited areas, wherein said robot comprises
- linear carriage (7) which serves as a carrier and provides the opening and closing movement before and after the welding process.
- the invention consists of a welding module which is located on the end of the robotic arm and performs the welding process, and an external power supply which supplies the invention externally.
- the robotic arm carries only the welding module instead of the power supply and welding module, thereby reducing the load on the robotic arm. Moreover, there is no need for a large area to use the invention since the power supply is external.
- the invention allows small pieces to be welded.
- the welding module becomes smaller and lighter, and it is possible to uses any low-cost robot in order to carry said welding module.
- the invention has a high mobility due to its external power supply and can perform a multi-axial welding. Furthermore, the invention does not need robotic arms of size and weight that can carry said power supply since it does not have to carry the power supply. Thus, the invention eliminates the need for large areas due to its smaller but more flexible structure compared to the welding machines in the state of the art.
- Inflexible copper plates are used to provide the transmission between the welding module and the transformers used in the welding machines in the state of the art.
- the transmission between the power supply and the supply module forming the invention is provided by a flexible and helically twisted conductor group with a circular cross- section. Said flexible and helically twisted conductor group is water-cooled.
- the welding module consists of a pneumatic cylinder (1), an upper steel group (2), a lower steel group (3), a compression spring (4), a lower copper gun group (5), an upper copper gun group (6) and a linear carriage (7).
- the welding module are located on the end of the robotic arm of the invention and guided by the robotic arm.
- the pneumatic cylinder (1) allows the upper copper gun group (6) to vertically move back and forth.
- the upper steel group (2) is the main construction group, which is supported by the lower steel group (3) and moves vertically with respect to the lower steel group (3).
- the movement of the upper steel group (2) is provided by the compression spring (4).
- the compression spring (4) which provides the movement of the upper steel group (2) eliminates the difference of the copper length and variability of the dimensions of the pieces.
- an electric motor is used for this process in the spot welding machines in the state of the art.
- the lower copper gun group (5) and the upper copper gun group (6) are the groups which conduct the current for the welding process and are isolated from the steel groups.
- the linear carriage (7) serves as a carrier which allows the upper copper gun group (6) to move linearly on the upper steel group (2) and provides the opening and closing movement before and after the welding process.
- the linear carriage (7) is also used for the linear movement between the lower steel group (3) and the upper steel group (2).
- the invention can be easily produced and applied in any field requiring welding.
Abstract
The invention relates to a resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in limited areas, and which comprises an external power supply, a flexible and helically twisted conductor group with a circular cross-section which provides the transmission between the power supply and the welding module, and a welding module comprising a movement mechanism which allows the upper copper gun group (6) to move linearly, an upper steel group (2) which moves with respect to the lower steel group (3) and forms the main construction group, a lower steel group (3) which supports the upper steel group (2) for movement and forms the lower construction group, a flexible apparatus which positions the lower copper gun group (5) with respect to welding point, tolerates the dimensional changes in welding region, prevents the product which is subjected to welding process from being deformed, and provides the movement of the upper steel group (2), a lower copper gun group (5) which conducts the current for welding process and is isolated from the steel groups, an upper copper gun group (6) which conducts the current for welding process and is isolated from the steel groups, and a linear carriage (7) which serves as a carrier and provides the opening and closing movement before and after the welding process.
Description
A RESISTANCE WELDING ROBOT WITH AN EXTERNAL POWER SUPPLY
Technical Field:
The invention relates to a resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in limited areas.
State of the Art:
The improvement of safety standards and vehicle lightening studies in today's automotive industry have directed researchers to different materials and therefore to different manufacturing methods. In body manufacture, which is one of the most important steps of vehicle manufacturing stages, joining methods are constantly changing and developing. Although there is no new joining method in vehicle manufacturing, the welding method is still the most important joining method. On average, different types of welding between 4,000 and 6,000 are applied in the vehicle bodies produced today. With regard to other welding methods, spot welding is applied at the rate of 85% in forming the body of a vehicle.
Vehicle manufacturers especially carry out a large number of activities to allow the vehicles to meet the desired safety criteria and to determine the optimum number of resources and to control them in practice. In addition to the accumulated knowledge, virtual analysis results are also important inputs for determining the number of resources. Since each resource point requires an additional cost, it is important to find the optimum number of resources.
The resource application parameters are also developed along with the vehicle development studies. Power supplies are one of the most important parts in welding machines; however, they restrict the movements of said machines since said power supplies are very heavy.
In welding machines in the state of the art, the power supplies are located on the robotic arm of said machines. In this respect, a large robotic arm is needed to carry the
power supply weight and the welding assembly on these welding machines. Thereby, large areas are required for the use of said machines. In addition, the transportation of said machines is very laborious and time-consuming.
The Object of the Invention:
The invention which is subject to registration provides an external power supply by positioning the power supply outside the welding module that performs the welding process, and thereby aims to allow the welding process to be performed in a faster way by reducing the load on the arms of the welding robot carrying the welding module, and to minimize the area required for the welding process by reducing the size of the robot.
Description of Figures:
The figures of a resistance welding robot with a developed external power supply are shown below.
Figure 1. The perspective view of a resistance welding robot with an external power supply in a front view
Figure 2. The perspective view of a resistance welding robot with an external power supply in a rear view
Figure 3. The exploded view of a resistance welding robot with an external power supply in a front view
Figure 4. The exploded view of a resistance welding robot with an external power supply in a side view
Description of Reference Numerals of Figures
The equivalent of the reference numerals shown on the figures are given below.
1. Pneumatic cylinder
2. Upper steel group
3. Lower steel group
4. Compression spring
5. Lower copper gun group
6. Upper copper gun group
7. Linear carriage
Description of the Invention:
The invention is a resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in limited areas, wherein said robot comprises
- a movement mechanism which allows the upper copper gun group (6) to move linearly, wherein said movement mechanism is a pneumatic cylinder (1),
- an upper steel group (2) which moves with respect to the lower steel group (3) and forms the main construction group,
- a lower steel group (3) which supports the upper steel group (2) for movement and forms the lower construction group,
- a flexible apparatus which positions the lower copper gun group (5) with respect to welding point, tolerates the dimensional changes in welding region, prevents the product which is subjected to welding process from being deformed, and provides the movement of the upper steel group (2), wherein said flexible apparatus is a compression spring (4),
- a lower copper gun group (5) which conducts the current for welding process and is isolated from the steel groups,
- an upper copper gun group (6) which conducts the current for welding process and is isolated from the steel groups,
- a linear carriage (7) which serves as a carrier and provides the opening and closing movement before and after the welding process.
The invention consists of a welding module which is located on the end of the robotic arm and performs the welding process, and an external power supply which supplies the invention externally.
By means of the external power supply, the robotic arm carries only the welding module instead of the power supply and welding module, thereby reducing the load on the robotic arm. Moreover, there is no need for a large area to use the invention since the power supply is external. The invention allows small pieces to be welded. By
means of the external power supply, the welding module becomes smaller and lighter, and it is possible to uses any low-cost robot in order to carry said welding module.
However, the welding equipment in the state of the art can only be used for large pieces.
The invention has a high mobility due to its external power supply and can perform a multi-axial welding. Furthermore, the invention does not need robotic arms of size and weight that can carry said power supply since it does not have to carry the power supply. Thus, the invention eliminates the need for large areas due to its smaller but more flexible structure compared to the welding machines in the state of the art.
Inflexible copper plates are used to provide the transmission between the welding module and the transformers used in the welding machines in the state of the art. The transmission between the power supply and the supply module forming the invention is provided by a flexible and helically twisted conductor group with a circular cross- section. Said flexible and helically twisted conductor group is water-cooled.
The welding module consists of a pneumatic cylinder (1), an upper steel group (2), a lower steel group (3), a compression spring (4), a lower copper gun group (5), an upper copper gun group (6) and a linear carriage (7). The welding module are located on the end of the robotic arm of the invention and guided by the robotic arm.
The pneumatic cylinder (1) allows the upper copper gun group (6) to vertically move back and forth. The upper steel group (2) is the main construction group, which is supported by the lower steel group (3) and moves vertically with respect to the lower steel group (3). The movement of the upper steel group (2) is provided by the compression spring (4). The compression spring (4) which provides the movement of the upper steel group (2) eliminates the difference of the copper length and variability of the dimensions of the pieces. However, an electric motor is used for this process in the spot welding machines in the state of the art.
The lower copper gun group (5) and the upper copper gun group (6) are the groups which conduct the current for the welding process and are isolated from the steel groups.
The linear carriage (7) serves as a carrier which allows the upper copper gun group (6) to move linearly on the upper steel group (2) and provides the opening and closing movement before and after the welding process. The linear carriage (7) is also used for the linear movement between the lower steel group (3) and the upper steel group (2).
Industrial Applicability of the Invention:
The invention can be easily produced and applied in any field requiring welding.
Claims
1. A resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in limited areas, wherein said robot comprises an external power supply which supplies said robot with power, a flexible and helically twisted conductor group with a circular cross-section which provides the transmission between the power supply and the welding module.
2. The conductor group according to claim 1, wherein it is water-cooled.
3. A resistance welding robot with an external power supply according to claim 1, wherein it can be multi-axially operated.
4. The welding module group according to claim 1, wherein said module comprises a movement mechanism which allows the upper copper gun group (6) to move linearly, an upper steel group (2) which moves with respect to the lower steel group (3) and forms the main construction group, a lower steel group (3) which supports the upper steel group (2) for movement and forms the lower construction group, - a flexible apparatus which positions the lower copper gun group (5) with respect to welding point, tolerates the dimensional changes in welding region, prevents the product which is subjected to welding process from being deformed, and provides the movement of the upper steel group (2), a lower copper gun group (5) which conducts the current for welding process and is isolated from the steel groups, an upper copper gun group (6) which conducts the current for welding process and is isolated from the steel groups, a linear carriage (7) which serves as a carrier and provides the opening and closing movement before and after the welding process.
5. The movement mechanism according to claim 4, wherein it is a pneumatic cylinder (1) which allows the upper copper gun group (6) to move vertically.
6. The flexible apparatus providing the movement of the upper steel group (2) according to claim 4, wherein it is a compression spring (4).
7. A resistance welding robot with an external power supply, which allows welding operations to be performed in a faster way, and is flexible and lightweight and can be operated fast, and thereby allows working in limited areas, wherein said robot comprises a pneumatic cylinder (1) which allows the upper copper gun group (6) to move vertically, an upper steel group (2) which moves with respect to the lower steel group (3) and forms the main construction group, - a lower steel group (3) which supports the upper steel group (2) for movement and forms the lower construction group, a flexible compression spring (4) which positions the lower copper gun group (5) with respect to welding point, tolerates the dimensional changes in welding region, prevents the product which is subjected to welding process from being deformed, and provides the movement of the upper steel group (2), a lower copper gun group (5) which conducts the current for welding process and is isolated from the steel groups, an upper copper gun group (6) which conducts the current for welding process and is isolated from the steel groups, a linear carriage (7) which serves as a carrier and provides the opening and closing movement before and after the welding process, an external power supply which supplies said robot with power, a flexible and helically twisted conductor group with a circular cross-section which provides the transmission between the power supply and the welding module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/TR2020/050125 WO2021167545A1 (en) | 2020-02-20 | 2020-02-20 | A resistance welding robot with an external power supply |
| TR2021/01385U TR202101385U5 (en) | 2020-02-20 | 2021-01-29 | A RESISTANCE WELDING ROBOT WITH EXTERNAL POWER SUPPLY |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/TR2020/050125 WO2021167545A1 (en) | 2020-02-20 | 2020-02-20 | A resistance welding robot with an external power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021167545A1 true WO2021167545A1 (en) | 2021-08-26 |
Family
ID=76373254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/TR2020/050125 WO2021167545A1 (en) | 2020-02-20 | 2020-02-20 | A resistance welding robot with an external power supply |
Country Status (2)
| Country | Link |
|---|---|
| TR (1) | TR202101385U5 (en) |
| WO (1) | WO2021167545A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024063711A1 (en) | 2022-09-20 | 2024-03-28 | Albaksan Diş Ti̇caret Ve Pazarlama A.Ş. | Welding robot checker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120248086A1 (en) * | 2009-11-18 | 2012-10-04 | Toyota Jidosha Kabushiki Kaisha | Resistance welding method, resistance-welded member and control apparatus for resistance welder, resistance welding evaluation method, and resistance welding evaluation program |
| US20130337284A1 (en) * | 2011-03-04 | 2013-12-19 | Toyota Jidosha Kabushiki Kaisha | Resistance welding method, resistance-welded member, resistance welder and control apparatus thereof, control method and control program for resistance welder, and resistance welding evaluation method and evaluation program |
-
2020
- 2020-02-20 WO PCT/TR2020/050125 patent/WO2021167545A1/en active Application Filing
-
2021
- 2021-01-29 TR TR2021/01385U patent/TR202101385U5/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120248086A1 (en) * | 2009-11-18 | 2012-10-04 | Toyota Jidosha Kabushiki Kaisha | Resistance welding method, resistance-welded member and control apparatus for resistance welder, resistance welding evaluation method, and resistance welding evaluation program |
| US20130337284A1 (en) * | 2011-03-04 | 2013-12-19 | Toyota Jidosha Kabushiki Kaisha | Resistance welding method, resistance-welded member, resistance welder and control apparatus thereof, control method and control program for resistance welder, and resistance welding evaluation method and evaluation program |
Also Published As
| Publication number | Publication date |
|---|---|
| TR202101385U5 (en) | 2021-03-22 |
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