CN107838540B - Resistance welding equipment - Google Patents

Resistance welding equipment Download PDF

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Publication number
CN107838540B
CN107838540B CN201711288662.3A CN201711288662A CN107838540B CN 107838540 B CN107838540 B CN 107838540B CN 201711288662 A CN201711288662 A CN 201711288662A CN 107838540 B CN107838540 B CN 107838540B
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Prior art keywords
electrode
driving assembly
upper electrode
electrode driving
resistance welding
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CN107838540A (en
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李志勇
段利峰
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Guangzhou Qiangqiang Technology Co ltd
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Guangzhou Qiangqiang Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/02—Pressure butt welding
    • 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
    • B23K11/3009—Pressure electrodes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

The invention provides resistance welding equipment which comprises a machine body, a cylinder driving device, an upper electrode driving assembly, a lower electrode driving assembly, an upper electrode and a lower electrode, wherein the cylinder driving device is arranged on the machine body; the upper electrode driving assembly is arranged on the air cylinder driving device, so that the upper electrode driving assembly moves along the vertical direction under the driving of the air cylinder driving device; the upper electrode is arranged on the upper electrode driving assembly, so that the upper electrode moves along the vertical direction along with the upper electrode assembly and is driven by the upper electrode driving assembly to move and swing directionally; the lower electrode is arranged on the lower electrode driving component, so that the lower electrode is driven by the lower electrode driving component to move and swing directionally. The upper electrode and the lower electrode can move in the vertical direction and the horizontal direction and swing in the horizontal direction, so that the electrode parallelism of the resistance welding equipment can be quickly adjusted, and the accuracy of the electrode parallelism is improved.

Description

Resistance welding equipment
Technical Field
The invention relates to the technical field of welding, in particular to resistance welding equipment.
Background
The butt-welding machine is a resistance welding machine, and the welding principle is that by utilizing resistance heat and a large amount of plastic deformation energy of a welding area, two separated metal atoms are close to a lattice distance to form a metal bond, and a sufficient amount of common crystal grains are generated on a joint surface to obtain a welding point, a welding line or a butt joint. The welding effect of the resistance welding machine is related to the parallelism of the electrodes, and the higher the parallelism of the electrodes of the resistance welding machine is, the better the welding effect of the two workpieces is. The electrode parallelism refers to the relative parallelism of the upper and lower electrode end faces of the resistance welding machine, the resistance parallelism of the resistance welding machine influences whether two workpieces can be welded in parallel to form a seamless state in the welding process, if the electrode parallelism is poor, the two workpieces can finally generate a large welding line, one is poor in sealing, the other is poor in welding strength, and the workpieces can fall off in the product using process when the welding strength is serious, so that serious accidents are caused.
At present, resistance welding machine's electrode can only realize the removal of vertical direction and horizontal direction, and the electrode depth of parallelism adjusting effect is relatively poor, and when the terminal surface nonparallel of two upper and lower electrodes, can only utilize abrasive paper to polish through the manual work, lets the terminal surface of two upper and lower electrodes parallel, but this kind of manual regulation's mode for the accuracy of electrode depth of parallelism is relatively poor, and electrode depth of parallelism about can not the quick adjustment simultaneously, consuming time and the artificial very big waste of making.
Disclosure of Invention
The invention aims to provide resistance welding equipment, which can realize rapid adjustment of the electrode parallelism of the resistance welding equipment and improve the accuracy of the electrode parallelism.
The embodiment of the invention provides resistance welding equipment, which comprises a machine body, a cylinder driving device, an upper electrode driving assembly, a lower electrode driving assembly, an upper electrode and a lower electrode, wherein the cylinder driving device is installed on the machine body; the upper electrode driving assembly is arranged on the air cylinder driving device, so that the upper electrode driving assembly moves along the vertical direction under the driving of the air cylinder driving device; the upper electrode is arranged on the upper electrode driving assembly, so that the upper electrode moves along the vertical direction along with the upper electrode driving assembly and directionally moves and swings under the driving of the upper electrode driving assembly; the lower electrode is arranged on the lower electrode driving component, so that the lower electrode is driven by the lower electrode driving component to move and swing directionally; the machine body is provided with a machine table, and the lower electrode driving assembly is installed on the machine table.
Preferably, the upper electrode driving assembly includes an upper fixing plate mounted on the cylinder driving device and an upper fixing rod movably connected to the upper fixing plate, the upper fixing rod is connected to the upper electrode, wherein the upper fixing plate is provided with an upper moving groove, and the upper fixing rod can directionally move along a direction defined by the upper moving groove and swing along a direction perpendicular to the direction defined by the upper moving groove.
Preferably, the lower electrode driving assembly includes a lower fixing plate mounted on the machine body and a lower fixing rod movably connected to the lower fixing plate, the lower electrode is connected to the lower fixing rod, wherein the lower fixing plate is provided with a lower moving groove, and the lower fixing rod can directionally move along a direction defined by the lower moving groove and swing along a direction perpendicular to the direction defined by the lower moving groove.
Preferably, the upper electrode driving assembly further comprises an upper follow-up plate connected to the upper fixing rod such that the upper follow-up plate follows the upper fixing rod to move directionally in a direction defined by the upper moving groove.
Preferably, the lower electrode driving assembly further comprises a lower follow-up plate connected to the lower fixed rod such that the lower follow-up plate follows the lower fixed rod to move directionally in a direction defined by the lower moving groove.
Preferably, the upper follower plate is provided with an upper through hole through which the upper electrode penetrates so that the upper electrode swings within a diameter range of the upper through hole.
Preferably, the lower follower plate is provided with a lower through hole through which the lower electrode penetrates so that the lower electrode swings within a diameter range of the lower through hole.
Preferably, the machine body is provided with a machine table, and the lower electrode driving assembly is installed on the machine table.
Preferably, the upper fixing rod is cylindrical, and the upper follower plate is provided with an upper groove forming an upper cavity with the upper moving groove for receiving the upper fixing rod, so that the upper fixing rod can directionally move along a direction defined by the upper cavity and roll in the upper cavity.
Preferably, the lower fixed rod is cylindrical, and the lower follower plate is provided with a lower groove which forms a lower cavity with the lower movable plate for accommodating the lower fixed rod, so that the lower fixed rod can directionally move along the direction defined by the lower cavity and roll in the lower cavity.
Compared with the prior art, the resistance welding equipment provided by the embodiment of the invention has the beneficial effects that: the resistance welding equipment comprises a machine body, a cylinder driving device, an upper electrode driving assembly, a lower electrode driving assembly, an upper electrode and a lower electrode, wherein the cylinder driving device is arranged on the machine body; the upper electrode driving assembly is connected with the air cylinder driving device, so that the upper electrode driving assembly moves in the vertical direction under the driving of the air cylinder driving device; the upper electrode is connected with the upper electrode driving assembly so that the upper electrode moves along the vertical direction along with the upper electrode assembly and directionally moves and swings under the driving of the upper electrode driving assembly; the lower electrode is connected with the lower electrode driving assembly, so that the lower electrode is driven by the lower electrode driving assembly to move and swing directionally. The upper electrode and the lower electrode can move in the vertical direction and the horizontal direction and swing in the horizontal direction, so that the electrode parallelism of the resistance welding equipment can be quickly adjusted, and the accuracy of the electrode parallelism is improved.
Drawings
FIG. 1 is a schematic view of a resistance welding apparatus of the present invention;
fig. 2 is a schematic view of two workpieces to be welded.
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.
Referring to fig. 1, which is a schematic diagram of an electric resistance welding apparatus according to an embodiment of the present invention, the electric resistance welding apparatus includes a machine body 1, a cylinder driving device 2 mounted on the machine body 1, an upper electrode driving assembly 3, a lower electrode driving assembly 4, an upper electrode 5 for mounting a first workpiece 8a to be welded, and a lower electrode 6 for mounting a second workpiece 8b to be welded; the upper electrode driving assembly 3 is mounted on the cylinder driving device 2, so that the upper electrode driving assembly 3 moves in the vertical direction under the driving of the cylinder driving device 2; the upper electrode 5 is mounted on the upper electrode driving assembly 3, so that the upper electrode 5 moves along the vertical direction along with the upper electrode driving assembly 3 and is driven by the upper electrode driving assembly 3 to make directional movement and swing; the lower electrode 6 is mounted on the lower electrode driving assembly 4, so that the lower electrode 6 can make directional movement and swing under the driving of the lower electrode driving assembly 4.
The cylinder driving device 2 is provided with a moving portion 21 movable in a vertical direction, the upper electrode driving unit 3 is mounted on the moving portion 21 of the cylinder driving device 2, and the upper electrode driving unit 3 moves in the vertical direction following the moving portion 21.
It can be understood that the upper electrode 5 is driven by the upper electrode driving assembly 3 to make directional movement and swing in the horizontal direction, and the lower electrode 6 is driven by the lower electrode driving assembly 4 to make directional movement and swing in the horizontal direction; the upper electrode driving component 3 drives the upper electrode 5 to move in the horizontal direction and the lower electrode driving component 4 drives the lower electrode 6 to move in the horizontal direction, so that the end surface of the upper electrode 5 and the end surface of the lower electrode 6 can be overlapped; the upper electrode driving component 3 drives the upper electrode 5 to swing in the horizontal direction and the lower electrode driving component 4 drives the lower electrode 6 to swing in the horizontal direction, so that the end surface of the upper electrode 5 is parallel to the end surface of the lower electrode 6; therefore, the electrode parallelism of the resistance welding equipment can be quickly adjusted, and the accuracy of the electrode parallelism can be improved by fully-mechanized adjustment of the electrode parallelism.
In an alternative embodiment, the upper electrode driving assembly 3 includes an upper fixing plate 31 mounted on the cylinder driving device 2 and an upper fixing rod 32 movably connected to the upper fixing plate 31, the upper fixing rod 32 is connected to the upper electrode 5, wherein the upper fixing plate 31 is provided with an upper moving slot, and the upper fixing rod 32 can directionally move along a direction defined by the upper moving slot and swing along a direction perpendicular to the direction defined by the upper moving slot.
In this embodiment, the direction defined by the upper moving groove is the X-axis direction, and the upper electrode 5 is moved in the X-axis direction by the upper fixing rod 32.
In an alternative embodiment, the lower electrode driving assembly 4 comprises a lower fixing plate 41 mounted on the machine body 1 and a lower fixing rod 42 movably connected to the lower fixing plate 41, and the lower electrode 6 is connected to the lower fixing rod 42, wherein the lower fixing plate 41 is provided with a lower moving slot, and the lower fixing rod 42 can directionally move along a direction defined by the lower moving slot and can swing along a direction perpendicular to the direction defined by the lower moving slot.
In this embodiment, the direction defined by the upper moving groove is the Y-axis direction, and the lower electrode 6 is moved in the Y-axis direction by the lower fixing bar 42. In conjunction with the movement of the upper electrode 5 in the X axis, the end surface of the upper electrode 5 and the end surface of the lower electrode 6 may be overlapped in the horizontal direction, ensuring the maximization of the welding area.
In an alternative embodiment, the upper electrode driving assembly 3 further comprises an upper follower plate 33, the upper follower plate 33 being connected to the upper fixed rod 32 such that the upper follower plate 33 follows the upper fixed rod 32 for directional movement in a direction defined by the upper movement slot.
In an alternative embodiment, the lower electrode driving assembly 4 further comprises a lower follower plate 43, and the lower follower plate 43 is connected to the lower fixed rod 42 such that the lower follower plate 43 follows the lower fixed rod 42 to move directionally along a direction defined by the lower moving groove.
In an alternative embodiment, the upper follower plate 33 is provided with an upper through hole through which the upper electrode 5 passes so that the upper electrode oscillates within the diameter of the upper through hole. The upper through hole can limit the swing amplitude of the upper electrode 5, and avoid excessive swing of the upper electrode 5.
In an alternative embodiment, the lower follower plate 43 is provided with a lower through hole through which the lower electrode 6 passes so that the lower electrode oscillates within the diameter of the lower through hole. The lower through hole can limit the swing amplitude of the lower electrode 6, and avoid excessive swing of the lower electrode 6.
In an alternative embodiment, the machine body 1 is provided with a machine table 7, and the lower electrode driving assembly 4 is installed on the machine table 1.
In an alternative embodiment, the upper fixing rod 32 is cylindrical, and the upper follower plate 33 is provided with an upper groove forming with the upper moving groove an upper cavity for receiving the upper fixing rod 32, such that the upper fixing rod 32 can be directionally moved and rolled within the upper cavity in a direction defined by the upper cavity.
In an alternative embodiment, the lower fixed rod 42 is cylindrical and the lower follower plate 43 is provided with a lower groove that forms a lower cavity with the lower movable plate for receiving the lower fixed rod 42 such that the lower fixed rod 42 can move directionally and roll within the lower cavity in a direction defined by the lower cavity.
The working principle of the resistance welding equipment is as follows:
adjusting the parallelism of the electrodes before welding: adjusting the vertical distance between the upper electrode 5 and the lower electrode 6 to a proper range by the cylinder driving device 2, then pulling the upper electrode 5 to move in the horizontal direction by the upper fixing rod 32, and pulling the lower electrode to move in the horizontal direction by the lower fixing rod 42, so that the end surface of the upper electrode 5 is overlapped with the end surface of the lower electrode 6, and the horizontal direction adjustment of the upper and lower electrodes is finished; and then driving the upper electrode 5 to swing in the horizontal direction through the upper fixing rod 32, and driving the lower electrode 6 to swing in the horizontal direction through the lower fixing rod 42, so that the end surface of the upper electrode 5 is parallel to the end surface of the lower electrode 6, and the adjustment of the parallelism of the electrodes is finished.
Welding: the first workpiece to be welded 8a is mounted on the upper electrode 5, the second workpiece to be welded 8b is mounted on the lower electrode 6, and the cylinder driving device 2 drives the upper electrode 5 to move downwards so as to tightly press and weld the first workpiece to be welded 8a and the second workpiece to be welded 8 b.
The upper fixing rod 32 and the lower fixing rod 42 can be driven by a motor to move and swing in the horizontal direction, so that automatic electrode parallelism adjustment of the resistance welding equipment is realized.
Compared with the prior art, the resistance welding equipment provided by the embodiment of the invention has the beneficial effects that: the resistance welding equipment comprises a machine body 1, a cylinder driving device 2, an upper electrode driving component 3, a lower electrode driving component 4, an upper electrode 5 and a lower electrode 6, wherein the cylinder driving device 2 is installed on the machine body 1; the upper electrode driving assembly 3 is connected with the cylinder driving device 2, so that the upper electrode driving assembly 3 moves along the vertical direction under the driving of the cylinder driving device 2; the upper electrode 5 is connected with the upper electrode driving assembly 3, so that the upper electrode 5 moves along the vertical direction along with the upper electrode assembly 3 and directionally moves and swings under the driving of the upper electrode driving assembly 3; the lower electrode 6 is connected with the lower electrode driving component 4, so that the lower electrode 6 can make directional movement and swing under the driving of the lower electrode driving component 4. The upper electrode and the lower electrode can move in the vertical direction and the horizontal direction and swing in the horizontal direction, so that the electrode parallelism of the resistance welding equipment can be quickly adjusted, and the accuracy of the electrode parallelism is improved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (8)

1. A resistance welding device is characterized by comprising a machine body, a cylinder driving device, an upper electrode driving assembly, a lower electrode driving assembly, an upper electrode for placing a first workpiece to be welded and a lower electrode for placing a second workpiece to be welded, wherein the cylinder driving device, the upper electrode driving assembly and the lower electrode driving assembly are arranged on the machine body; the upper electrode driving assembly is arranged on the air cylinder driving device, so that the upper electrode driving assembly moves along the vertical direction under the driving of the air cylinder driving device; the upper electrode is arranged on the upper electrode driving assembly, so that the upper electrode moves along the vertical direction along with the upper electrode driving assembly and directionally moves and swings under the driving of the upper electrode driving assembly; the lower electrode is arranged on the lower electrode driving component, so that the lower electrode is driven by the lower electrode driving component to move and swing directionally; the machine body is provided with a machine table, and the lower electrode driving assembly is arranged on the machine table; the upper electrode driving assembly comprises an upper fixing plate mounted on the cylinder driving device and an upper fixing rod movably connected with the upper fixing plate, the upper fixing rod is connected with the upper electrode, an upper moving groove is formed in the upper fixing plate, and the upper fixing rod can directionally move along the direction defined by the upper moving groove and swing along the direction perpendicular to the direction defined by the upper moving groove.
2. A resistance welding apparatus according to claim 1, wherein said lower electrode driving assembly includes a lower fixing plate mounted on said body and a lower fixing rod movably connected to said lower fixing plate, said lower electrode being connected to said lower fixing rod, wherein said lower fixing plate is provided with a lower moving groove, said lower fixing rod being directionally movable in a direction defined by said lower moving groove and swingable in a direction perpendicular to the direction defined by said lower moving groove.
3. A resistance welding apparatus as defined in claim 1, wherein said upper electrode driving assembly further includes an upper follower plate connected to said upper fixing rod such that said upper follower plate follows said upper fixing rod for directional movement in a direction defined by an upper movement groove.
4. A resistance welding apparatus as defined in claim 2, wherein said lower electrode driving assembly further includes a lower follower plate connected to said lower stationary rod such that said lower follower plate follows said lower stationary rod for directional movement in a direction defined by a lower movement slot.
5. The electric resistance welding apparatus according to claim 3, wherein the upper follower plate is provided with an upper through hole through which the upper electrode penetrates so that the upper electrode swings within a diameter range of the upper through hole.
6. The electric resistance welding apparatus according to claim 4, wherein the lower follower plate is provided with a lower through hole through which the lower electrode penetrates so that the lower electrode swings within a diameter range of the lower through hole.
7. The resistance welding apparatus of claim 3, wherein said upper stationary rod is cylindrical and said upper follower plate is provided with an upper groove forming an upper cavity with said upper moving groove for receiving said upper stationary rod, such that said upper stationary rod is directionally movable in a direction defined by said upper cavity and rolls within said upper cavity.
8. The resistance welding apparatus of claim 4, wherein the lower stationary rod is cylindrical and the lower follower plate is provided with a lower groove that forms a lower cavity with the lower movable rod for receiving the lower stationary rod such that the lower stationary rod is directionally movable in a direction defined by the lower cavity and rolls within the lower cavity.
CN201711288662.3A 2017-12-07 2017-12-07 Resistance welding equipment Active CN107838540B (en)

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CN201711288662.3A CN107838540B (en) 2017-12-07 2017-12-07 Resistance welding equipment

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CN201711288662.3A CN107838540B (en) 2017-12-07 2017-12-07 Resistance welding equipment

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CN107838540B true CN107838540B (en) 2020-06-16

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108907427A (en) * 2018-09-18 2018-11-30 优尼恩电机（大连）有限公司 Multiple layer metal welder and its welding method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927786A (en) * 1982-08-10 1984-02-14 Nissan Motor Co Ltd Welding robot
CN201300281Y (en) * 2008-10-10 2009-09-02 深圳职业技术学院 Projection welding fixture
CN202388119U (en) * 2011-12-31 2012-08-22 联伟汽车零部件(重庆)有限公司 Floating spot-welding electrode
CN104551366A (en) * 2013-10-14 2015-04-29 现代自动车株式会社 Spot welding apparatus
CN107186328A (en) * 2017-07-13 2017-09-22 盐城市永成专用焊接设备有限公司 A kind of electrode regulator of projection welder
CN207900440U (en) * 2017-12-07 2018-09-25 广州强强电子科技有限公司 A kind of electric resistance welding equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927786A (en) * 1982-08-10 1984-02-14 Nissan Motor Co Ltd Welding robot
CN201300281Y (en) * 2008-10-10 2009-09-02 深圳职业技术学院 Projection welding fixture
CN202388119U (en) * 2011-12-31 2012-08-22 联伟汽车零部件(重庆)有限公司 Floating spot-welding electrode
CN104551366A (en) * 2013-10-14 2015-04-29 现代自动车株式会社 Spot welding apparatus
CN107186328A (en) * 2017-07-13 2017-09-22 盐城市永成专用焊接设备有限公司 A kind of electrode regulator of projection welder
CN207900440U (en) * 2017-12-07 2018-09-25 广州强强电子科技有限公司 A kind of electric resistance welding equipment

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