CN116511671A - Resistance seam welding equipment and welding method for inner container of dish washer - Google Patents
Resistance seam welding equipment and welding method for inner container of dish washer Download PDFInfo
- Publication number
- CN116511671A CN116511671A CN202310510891.4A CN202310510891A CN116511671A CN 116511671 A CN116511671 A CN 116511671A CN 202310510891 A CN202310510891 A CN 202310510891A CN 116511671 A CN116511671 A CN 116511671A
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- plate
- dish washer
- inner container
- reference surface
- positioning
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- 238000003466 welding Methods 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004851 dishwashing Methods 0.000 claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims description 75
- 238000007493 shaping process Methods 0.000 claims description 41
- 238000003825 pressing Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010923 batch production Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- B23K11/00—Resistance welding; Severing by resistance heating
-
- 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
- B23K11/36—Auxiliary equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a resistance seam welding device and a welding method for a dishwasher liner, and relates to the technical field of dishwashers. Compared with the prior art, the welding method can automatically align the position to be welded of the middle plate of the inner container of the dish-washing machine with the position to be welded of the rear plate of the inner container of the dish-washing machine, manual intervention is not needed, and the laggard production mode of manual positioning, alignment and welding in the prior art is simplified.
Description
Technical Field
The invention relates to the technical field of dish washers, in particular to a resistance seam welding device and a welding method for a dish washer liner.
Background
The prior dish-washing machine inner container is manufactured by adopting an integral stretching forming mode, and the integral stretching forming dish-washing machine inner container is easy to deform if the improper partial stress concentration region is treated, has high rejection rate, is slow in forming in the production process, complex in working procedure and long in time consumption, and is not beneficial to batch production. For changing this kind of current situation, new dish washer inner bag is changed by dish washer inner bag back plate and is the dish washer inner bag medium plate constitution of U, welds dish washer inner bag back plate and dish washer inner bag medium plate into whole through welded mode, but current welding is mostly artifical location and manual welding, even has can make things convenient for welded equipment also can't guarantee welding quality and improve welding efficiency.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the embodiment of the invention provides the resistance seam welding equipment for the inner container of the dish washer, which realizes automatic welding of the rear plate of the inner container of the dish washer and the middle plate of the inner container of the dish washer, ensures the welding quality of the inner container of the dish washer, and simultaneously can improve the welding efficiency and is convenient for batch production.
The embodiment of the invention also provides a method for welding the inner container of the dish washer.
According to an embodiment of the first aspect of the present invention, there is provided a resistance seam welding apparatus for a dishwasher liner, comprising a base provided with a mounting platform capable of reciprocating rectilinear motion along an X-direction; the stand column is arranged on the base, and a first movement module capable of performing reciprocating linear movement along the Y direction is arranged at the top of the stand column; the second motion module is arranged on the first motion module and can do linear reciprocating motion along the Z direction, a welding wheel pressurizing device is arranged at the motion end of the second motion module, and the welding wheel pressurizing device is positioned above the mounting platform; the clamping device comprises a mounting plate, a first positioning piece and two second positioning pieces which are symmetrically arranged, wherein the mounting plate is fixed on the mounting platform, the two second positioning pieces are arranged on the mounting plate in a sliding way and can be close to or far away from each other, a first datum plane and a positioning part are arranged on the opposite surfaces of the two second positioning pieces, the two positioning parts are combined to form a second datum plane, the second datum plane and the two first datum planes are enclosed to form the shape of a middle plate of the inner container of the dish-washing machine, a third datum plane, a positioning pin and a pressing member are arranged at the top of the second positioning piece, the positioning pin can extend from the third datum plane to position the rear plate of the inner container of the dish-washing machine on the third datum plane, the pressing member is used for fixing the rear plate of the inner container of the dish-washing machine which is positioned on the third datum plane, the first locating piece is located between the second locating piece, form the clearance that is used for holding dish washer inner bag medium plate between first locating piece and the two second locating piece, first locating piece just right the second reference surface with the position of first reference surface all is provided with a plurality of shaping plates that can carry out linear reciprocating motion, the shaping plate is used for with dish washer inner bag medium plate orientation second reference surface or first reference surface presses to, so that dish washer inner bag medium plate wait to weld the position to aim at the position of waiting to weld of dish washer inner bag back plate, through first motion module second motion module and mounting platform's cooperation, so that welding wheel pressurizing device can weld dish washer inner bag medium plate and dish washer inner bag back plate into dish washer inner bag.
The resistance seam welding equipment for the dishwasher liner has at least the following beneficial effects: in the scheme, the middle plate of the dish washer inner container is manually placed on the outer side of the first positioning piece, the middle plate of the dish washer inner container is preliminarily positioned through the first positioning piece, then the two second positioning pieces are driven to move in opposite directions, so that a gap for accommodating the middle plate of the dish washer inner container is formed between the first positioning piece and the two second positioning pieces, wherein the second reference surface and the two first reference surfaces are enclosed to form the shape of the middle plate of the dish washer inner container, the second reference surface and the two first reference surfaces limit the positioning reference of the middle plate of the dish washer inner container during subsequent welding, the positioning holes of the rear plate of the dish washer inner container are limited on the positioning pins, and the rear plate of the dish washer inner container is attached to the third reference surface, all shaping plates act at the same speed simultaneously so that all side surfaces of a middle plate of the dish washer inner container can be respectively pressed against a first reference surface and a second reference surface, the position to be welded of the middle plate of the dish washer inner container is opposite to the position to be welded of a rear plate of the dish washer inner container, then a pressing member acts, the position to be welded of the middle plate of the dish washer inner container is driven to be attached to the position to be welded of the rear plate of the dish washer inner container, after the completion, the first movement module, the second movement module and the mounting platform are matched with each other, so that the welding wheel pressurizing device can weld the middle plate of the dish washer inner container and the rear plate of the dish washer inner container into the dish washer inner container along a set route, and automatic welding of the middle plate of the dish washer inner container and the rear plate of the dish washer inner container is realized. Compared with the prior art, the resistance seam welding equipment can automatically align the position to be welded of the middle plate of the inner container of the dish washer with the position to be welded of the rear plate of the inner container of the dish washer, manual alignment is not needed, meanwhile, the welding process is also automatically completed without manual intervention, the backward production mode of manual positioning, alignment and welding is not needed in the prior art, automation is realized except for manual discharging and material taking, the condition of welding missing is avoided, and only one person can operate one equipment to perform batch production of the inner container of the dish washer.
According to the electric resistance seam welding equipment of the dishwasher liner, the second reference surface and the first reference surface are both bordered by the third reference surface, the movement direction of the shaping plate is parallel to the third reference surface, the surface, facing the first reference surface, of the shaping plate, facing the first reference surface is parallel to the first reference surface, the surface, facing the second reference surface, of the shaping plate, facing the second reference surface is parallel to the second reference surface, a first cylinder is arranged on the side surface of the first positioning piece, corresponding to the position of the shaping plate, and the movement end of the first cylinder is connected with the shaping plate.
According to the electric resistance seam welding equipment of the dish washer inner container, the positioning part is located at one end of the second positioning piece, a second driving cylinder and an adjusting plate are arranged at the other end of the second positioning piece, and the second driving cylinder is used for driving the adjusting plate to move towards the second reference surface, so that the adjusting plate can be positioned at an initial placement position of the plate in the dish washer inner container.
According to the electric resistance seam welding equipment for the dishwasher liner, the bottom of the first positioning piece is provided with a plurality of stripping mechanisms, each stripping mechanism comprises a third cylinder and a supporting plate, and the third cylinders are used for driving the supporting plates to move along the Z direction so that the supporting plates can push the dishwasher liner away from the positioning pins.
According to the electric resistance seam welding equipment of the dishwasher liner, the pressing member comprises a fourth cylinder and a pressing plate, one end of the pressing plate is fixed at the moving end of the fourth cylinder, the other end of the pressing plate extends to the position above the third reference surface, and the pressing plate is driven to linearly reciprocate along the Z direction through the fourth cylinder.
According to the electric resistance seam welding equipment for the dishwasher liner, disclosed by the embodiment of the first aspect of the invention, the second positioning piece is in sliding connection with the mounting plate through the first linear guide rail sliding block structure, the linear guide rail sliding block structure comprises two sliding rails which are arranged in parallel and a sliding block which can be matched with the sliding rails, the sliding rails are fixed on the mounting plate, the second positioning piece is fixed on the sliding block, a fifth air cylinder is arranged on the mounting plate and is used for driving the two second positioning pieces to be close to or far away from each other.
According to the electric resistance seam welding equipment of the dishwasher liner, the first positioning piece comprises two vertical frames, the top surfaces of the two vertical frames are provided with fourth datum planes, and the fourth datum planes are leveled with the third datum planes.
According to the electric resistance seam welding equipment for the dishwasher liner, the second movement module comprises a fixed plate, a movement piece and a sixth cylinder, the movement piece is connected with the fixed plate in a sliding mode through a second linear guide rail sliding block structure, the movement end of the sixth cylinder is connected with the movement piece, and the sixth cylinder is used for driving the movement piece to perform linear reciprocating movement.
According to the electric resistance seam welding equipment of the dishwasher liner, the welding wheel pressurizing device comprises a fixing piece, a driving motor, a mounting shaft and a welding wheel, one end of the mounting shaft is rotatably connected with the fixing piece, the other end of the mounting shaft is rotatably connected with the welding wheel, the driving motor is in transmission connection with the mounting shaft through a gear structure, the mounting shaft is vertically arranged, and the rotation center of the welding wheel is vertical to the rotation center of the mounting shaft.
According to an embodiment of the second aspect of the present invention, there is provided a method for welding a dishwasher liner, using the above-mentioned electric resistance seam welding apparatus for a dishwasher liner, comprising the steps of:
s1, returning the shaping plate, the locating pins and the pressing members to the original positions, wherein the two second locating pieces are far away from each other in the direction far away from the first locating piece, and the middle plate of the inner container of the dish washer is placed on the outer side;
s2, after the middle plate of the inner container of the dish washer is placed, the two second positioning pieces are close to each other in opposite directions and are attached to each other, so that the two positioning parts are combined to form the second reference surface, meanwhile, the positioning pins extend out of the third reference surface, the rear plate of the inner container of the dish washer is placed on the third reference surface manually, and the positioning pins penetrate through positioning holes of the rear plate of the inner container of the dish washer to complete positioning;
s3, all the shaping plates approach to the second reference surface or the first reference surface at the same speed so as to press each side surface of the middle plate of the inner container of the dish washer against the second reference surface and the first reference surface respectively;
s4, after the positions to be welded are aligned, the pressing member acts, and the positions to be welded of the rear plate of the inner container of the dish washer are pressed to the positions to be welded of the middle plate of the inner container of the dish washer through the pressing member;
s5, the welding wheel pressurizing device moves to the position above the to-be-welded position of the rear plate of the inner container of the dish-washing machine, the second moving module drives the welding wheel pressurizing device to press against the to-be-welded position of the rear plate of the inner container of the dish-washing machine with a certain pressure, the welding wheel pressurizing device is electrified, the mounting platform and the first moving module are matched together, and the welding wheel pressurizing device is driven to weld the middle plate of the inner container of the dish-washing machine and the rear plate of the inner container of the dish-washing machine into the inner container of the dish-washing machine along a set moving path;
s6, after welding is completed, the welding wheel pressurizing device, the shaping plate, the pressing component and the positioning pins return to the original positions, the two second positioning pieces are far away from each other in the direction away from the first positioning pieces, and the welded dishwasher liner is manually taken out.
The welding method of the dish washer inner container has at least the following beneficial effects: the automatic alignment and positioning of the welding positions of the middle plate of the inner container of the dish washer and the rear plate of the inner container of the dish washer are realized through the mutual matching action of parts, the welding wheel pressurizing device is driven by a set program to weld and shape the middle plate of the inner container of the dish washer and the rear plate of the inner container of the dish washer which are well aligned in position, the whole process is completely automated except for manual discharging and material taking, the condition of welding missing is avoided, and batch production of the inner container of the dish washer can be performed by operating one device only by one person. Compared with the prior art, the welding method can automatically align the to-be-welded position of the middle plate of the inner container of the dish-washing machine with the to-be-welded position of the rear plate of the inner container of the dish-washing machine, manual alignment is not needed, and meanwhile, the welding process is also automatically completed without manual intervention, so that the laggard production mode of manual positioning, alignment and welding in the prior art is simplified.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a welding wheel pressurizing device according to an embodiment of the present invention;
FIG. 3 is a schematic illustration I of a clamping device positioning a middle plate of a dishwasher liner and a rear plate of the dishwasher liner;
FIG. 4 is a schematic illustration II of a clamping device positioned to define a middle plate of a dishwasher liner and a rear plate of the dishwasher liner in an embodiment of the present invention;
FIG. 5 is a schematic view of a clamping device according to an embodiment of the present invention;
FIG. 6 is a second schematic structural view of the clamping device according to the embodiment of the present invention;
FIG. 7 is a schematic diagram of a third embodiment of a clamping device;
FIG. 8 is a schematic diagram of a clamping device according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a clamping device according to an embodiment of the present invention;
FIG. 10 is a schematic view of a first positioning member for positioning a plate in a dishwasher container in accordance with an embodiment of the present invention;
fig. 11 is a schematic view showing the structure of a dishwasher liner in an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Fig. 11 is a schematic structural diagram of a welded and formed inner liner of a dishwasher in an embodiment of the present invention, specifically, the inner liner of the dishwasher includes an inner liner middle plate 500 and an inner liner rear plate 600 of the dishwasher, the inner liner middle plate 500 of the dishwasher is formed into a U shape by bending a plate material, so that the inner liner middle plate 500 of the dishwasher has a first side 510 and two second sides 520 located at two sides of the first side 510, and the inner liner rear plate 600 of the dishwasher is integrally connected by welding after sealing the top or bottom surface of the inner liner middle plate 500 of the dishwasher.
As shown in fig. 1, the electric resistance seam welding device for the liner of the dishwasher in the embodiment of the invention comprises a base 100, wherein an installation platform 130 capable of performing reciprocating linear motion along the X direction is arranged on the base 100, specifically, two parallel guide rails are arranged on the base 100, the guide rails are provided with sliding blocks matched with the guide rails, the installation platform 130 is fixed on the sliding blocks, a motor screw rod structure for driving the installation platform 130 to perform reciprocating linear motion is also arranged on the base 100, specifically, the motor screw rod structure comprises a screw rod rotatably arranged on the base 100, the motor is fixed on the base 100 and then connected with the screw rod through belt transmission, a nut of the screw rod is fixedly connected with the installation platform 130, and the arrangement direction of the screw rod is parallel to the guide rails.
Further, the upright post 110 is mounted on the base 100 and is located at one side of the movement direction of the mounting platform 130, a first movement module 120 capable of performing reciprocating rectilinear movement along the Y direction is arranged at the top of the upright post 110, specifically, the first movement module 120 comprises a motor, a screw rod capable of rotating, and a movement block slidably connected with the upright post 110 through a guide rail sliding block structure, and the motor is connected with the movement block through screw rod transmission, so that the movement block can perform rectilinear reciprocating movement along the Y direction. In addition, the first motion module 120 is provided with a second motion module 200, the second motion module 200 can do linear reciprocating motion along the Z direction, the motion end of the second motion module 200 is provided with a welding wheel pressurizing device 300, and the welding wheel pressurizing device 300 is located above the mounting platform 130.
Specifically, as shown in fig. 2, the second motion module 200 includes a fixed plate 210, a motion member 230, and a sixth cylinder 240, where the motion member 230 is slidably connected to the fixed plate 210 through a second linear guide slider structure, and a motion end of the sixth cylinder 240 is connected to the motion member 230, and the sixth cylinder 240 is configured to drive the motion member 230 to perform linear reciprocating motion.
Further, as shown in fig. 3 to 7, the mounting platform 130 is provided with a clamping device 400, where the clamping device 400 includes a mounting plate 410, a first positioning member and two second positioning members 430 symmetrically disposed, the mounting plate 410 is fixed on the mounting platform 130, the two second positioning members 430 are slidably disposed on the mounting plate 410 and can be close to or far away from each other, one surface of the two second positioning members 430 opposite to each other is provided with a first reference surface 433 and a positioning portion 434, after the two second positioning members 430 are close to each other, the two positioning portions 434 are combined to form a second reference surface, the second reference surface and the two first reference surfaces 433 enclose a shape of a middle plate 500 of the dishwasher liner, when the middle plate 500 of the dishwasher liner is placed, the first side surface 510 faces the second reference surface, and the two second side surfaces 520 are aligned with the two first reference surfaces 433 respectively.
Further, a third reference surface 432, a positioning pin 435 and a pressing member 440 are disposed at the top of the second positioning member 430, after the two second positioning members 430 approach each other, the positioning pin 435 can extend from the third reference surface 432 to position the liner rear plate 600 of the dishwasher on the third reference surface 432, the pressing member 440 is used to fix the positioned liner rear plate 600 of the dishwasher on the third reference surface 432, wherein the first positioning member is disposed between the two second positioning members 430, a gap for accommodating the liner middle plate 500 of the dishwasher is formed between the first positioning member and the two second positioning members 430, so as to facilitate readjustment of the position of the liner middle plate 500 of the dishwasher, a plurality of shaping plates 491 capable of performing linear reciprocating motion are disposed at positions of the first positioning member facing the second reference surface and the first reference surface 433, in particular, the shaping plates 491 disposed in alignment with the second reference surface can approach or separate from the second reference surface, the shaping plate 491 aligned with the first reference surface 433 can approach or separate from the first reference surface 433, the shaping plate 491 is used for pressing and propping three side surfaces of the middle plate 500 of the inner container of the dish washer towards the second reference surface or the first reference surface 433 so that the position to be welded of the middle plate 500 of the inner container of the dish washer is aligned with the position to be welded of the rear plate 600 of the inner container of the dish washer, specifically, the position to be welded of the top of the first side surface 510 is pressed and propped against the second reference surface by the shaping plate 491 aligned with the second reference surface, the positions to be welded of the two second side surfaces 520 are respectively pressed and propped against the two first reference surfaces 433 by the shaping plate 491 aligned with the first reference surface 433, after the position to be welded of the middle plate 500 of the inner container of the dish washer is corrected by the shaping plate 491, the positioning pin 435 and the pressing member 440 are used for positioning and compacting the rear plate 600 of the inner container of the dish washer, and the first movement module 120, the second moving module 200 and the mounting platform 130 are matched with each other, so that the welding wheel pressurizing device 300 can weld the middle plate 500 of the dish washer inner container and the rear plate 600 of the dish washer inner container into the dish washer inner container, specifically, the first moving module 120 and the mounting platform 130 drive the welding wheel pressurizing device 300 to translate on an XY plane, so that the welding wheel pressurizing device 300 can move to a welding initial position, then the second moving module 200 drives the welding wheel pressurizing device 300 to press down and prop against the rear plate 600 of the dish washer inner container with a certain pre-pressure, then the welding wheel pressurizing device 300 is electrified, and the first moving module 120 and the mounting platform 130 drive the welding wheel pressurizing device 300 to weld the middle plate 500 of the dish washer inner container and the rear plate 600 of the dish washer inner container into the dish washer inner container along a set welding path.
Specifically, the steps of using the device are as follows: as shown in fig. 8 and 9, the middle plate 500 of the dishwasher container is manually placed at the outer side of the first positioning member, the middle plate 500 of the dishwasher container is initially positioned by the first positioning member, and then the two second positioning members 430 are driven to move toward each other, so that a gap for accommodating the middle plate 500 of the dishwasher container is formed between the first positioning member and the two second positioning members 430, wherein the second reference surface and the two first reference surfaces 433 enclose the shape of the middle plate 500 of the dishwasher container, the positioning reference of the middle plate 500 of the dishwasher container during the subsequent welding is limited by the second reference surface and the two first reference surfaces 433, the positioning hole 601 of the rear plate 600 of the dishwasher container is defined on the positioning pin 435, and the rear plate 600 of the dishwasher container is attached to the third reference surface 432, all the shaping plates 491 act at the same speed at the same time, so that all the side surfaces of the middle plate 500 of the dish washer inner container can be respectively pressed against the first reference surface 433 and the second reference surface, the position to be welded of the middle plate 500 of the dish washer inner container is opposite to the position to be welded of the back plate 600 of the dish washer inner container, then the pressing member 440 acts, the position to be welded of the middle plate 500 of the dish washer inner container is driven to be attached to the position to be welded of the back plate 600 of the dish washer inner container, after the completion, the first movement module 120, the second movement module 200 and the mounting platform 130 are mutually matched, and the welding wheel pressurizing device 300 can weld the middle plate 500 of the dish washer inner container and the back plate 600 of the dish washer inner container into the dish washer inner container along a set route, so that the automatic welding of the middle plate 500 of the dish washer inner container and the back plate 600 of the dish washer inner container is realized. Compared with the prior art, the resistance seam welding equipment can automatically align the position to be welded of the dish washer inner container middle plate 500 with the position to be welded of the dish washer inner container rear plate 600, manual alignment is not needed, meanwhile, the welding process is automatically completed, manual intervention is not needed, the production mode of manual positioning, alignment and welding behind is simplified in the prior art, automation is realized except for manual discharging and material taking, the condition of welding missing is avoided, and batch production of dish washer inner containers can be performed by operating one equipment only by one person.
In some embodiments, the second reference surface and the first reference surface 433 are both bordered by the third reference surface 432, the movement direction of the shaping plate 491 is parallel to the third reference surface 432, the surface, facing the first reference surface 433, of the shaping plate 491, facing the first reference surface 433 is parallel to the first reference surface 433, the surface, facing the second reference surface, of the shaping plate 491, facing the second reference surface is parallel to the second reference surface, wherein a first cylinder 490 is arranged at the side surface of the first positioning member corresponding to the position of the shaping plate 491, the movement end of the first cylinder 490 is connected with the shaping plate 491, and the shaping plate 491 is driven to perform linear reciprocating movement through the first cylinder 490, so that the shaping plate 491 can press the position to be welded of the middle plate 500 of the dishwasher liner onto the designated reference surface, and subsequent accurate welding is facilitated.
As shown in fig. 4, the positioning portion 434 is located at one end of the second positioning member 430, the other end of the second positioning member 430 is provided with a second driving cylinder 460 and an adjusting plate 461, the second driving cylinder 460 is used for driving the adjusting plate 461 to move towards the second reference plane, so that the adjusting plate 461 can be positioned at an initial placement position of the middle plate 500 of the dishwasher liner, the second driving cylinder 460 drives the adjusting plate 461 to move to limit the arrival position of the middle plate 500 of the dishwasher liner after being sleeved on the first positioning member, and after the middle plate 500 of the dishwasher liner is sleeved on the first positioning member, when the second side surfaces 520 of the two sides are abutted against the adjusting plate 461, namely the middle plate 500 of the dishwasher liner is placed in place, so as to avoid damaging the middle plate 500 of the dishwasher liner which is not placed in place when the two second positioning members 430 are close to each other.
In other embodiments, as shown in fig. 10, a plurality of stripping mechanisms 470 are disposed at the bottom of the first positioning member, and the stripping mechanisms 470 include a third cylinder and a supporting plate 471, wherein the third cylinder is used for driving the supporting plate 471 to move along the Z direction, so that the supporting plate 471 can push the liner of the dishwasher away from the positioning pins 435. When the third cylinder is in the initial state, the position of the supporting plate 471 plays a role of bearing the middle plate 500 of the dishwasher liner, after the middle plate 500 of the dishwasher liner abuts against the supporting plate 471, the top of the middle plate 500 of the dishwasher liner is leveled with the third reference surface 432, so that the middle plate is convenient to be attached to the rear plate 600 of the dishwasher liner, which is well defined in positioning, after the rear plate 600 of the dishwasher liner is welded with the middle plate 500 of the dishwasher liner, the third cylinder drives the supporting plate 471 to move upwards, so that the positioning holes 601 of the rear plate 600 of the dishwasher liner are driven to be out of pin 435, after the positioning holes 601 are out of pin 435, two second positioning pieces 430 are far away in opposite directions, an operator can quickly take away the welded dishwasher liner, and although the positioning pin 435 is lifted up and down through the driving of the cylinder, if the positioning holes 601 are deviated, the positioning holes 601 and the positioning pins 435 are blocked, and the positioning holes are conveniently separated, and the rear plate 600 of the dishwasher liner is not easy to deform due to the arrangement of the stripping mechanism 470.
In this embodiment, as shown in fig. 3 and 4, the pressing member 440 includes a fourth cylinder and a pressing plate 441, one end of the pressing plate 441 is fixed to a moving end of the fourth cylinder, the other end extends above the third reference plane 432, and the pressing plate 441 is driven to perform a linear reciprocating motion along the Z direction by the fourth cylinder, and specifically, the pressing member 440 should be close to four corners of the positioned liner rear plate 600 of the dishwasher, so as to facilitate discharging.
The second positioning element 430 is slidably connected with the mounting plate 410 through the first linear guide rail slider structure 420, the linear guide rail slider structure comprises two parallel sliding rails and a slider matched with the sliding rails, the sliding rails are fixed on the mounting plate 410, the second positioning element 430 is fixed on the slider, a fifth air cylinder 450 is arranged on the mounting plate 410, and the fifth air cylinder 450 is used for driving the two second positioning elements 430 to approach or depart from each other, so that the two second positioning elements 430 can quickly form a positioning reference during positioning welding.
In other embodiments, the first positioning member includes two stand 480, the top surfaces of the two stand 480 are provided with a fourth reference surface, the fourth reference surface is leveled with the third reference surface 432, and the fourth reference surface is mainly configured to support the middle part of the liner rear plate 600 of the dishwasher, so that the liner rear plate 600 of the dishwasher is prevented from being deformed by excessive pre-pressure of the welding wheel pressurizing device 300 during welding, and the function of supporting and preventing deformation is achieved.
In addition, the welding wheel pressurizing device 300 includes a fixing member 310, a driving motor 320, a mounting shaft 330 and a welding wheel 340, one end of the mounting shaft 330 is rotatably connected with the fixing member 310, the other end is rotatably connected with the welding wheel 340, the driving motor 320 is connected with the mounting shaft 330 through a gear structure transmission, wherein the mounting shaft 330 is vertically arranged, and a rotation center of the welding wheel 340 is vertical to a rotation center of the mounting shaft 330. The mounting shaft 330 is controlled to rotate by the driving motor 320, so that the steering direction of the welding wheel 340 can be adjusted, and the welding wheel can conveniently weld the inner container of the dish washer according to a preset path.
It should be noted that the embodiment of the invention also provides a method for welding the inner container of the dish washer by adopting the resistance welding equipment of the inner container of the dish washer, which specifically comprises the following steps:
s1, returning the shaping plate 491, the positioning pins 435 and the pressing members 440 to the original positions, wherein the two second positioning pieces 430 are far away from each other in the direction far away from the first positioning piece, and the middle plate 500 of the dish washer inner container is placed on the outer side;
s2, after the placement of the dish washer inner container middle plate 500 is completed, the two second positioning pieces 430 are close to each other and attached to each other, so that the two positioning parts 434 are combined to form a second reference surface, meanwhile, the positioning pins 435 extend out of the third reference surface 432, the dish washer inner container rear plate 600 is manually placed on the third reference surface 432, and the positioning pins 435 penetrate through the positioning holes 601 of the dish washer inner container rear plate 600 to complete positioning;
s3, all the shaping plates 491 approach towards a second reference surface or a first reference surface 433 at the same speed so as to press each side surface of the middle plate 500 of the inner container of the dish washer against the second reference surface and the first reference surface 433 respectively, specifically, the positions to be welded at the tops of the first side surfaces 510 are pressed against the second reference surface by the shaping plates 491 opposite to the second reference surface, and the positions to be welded at the tops of the two second side surfaces 520 are pressed against the two first reference surfaces 433 respectively by the shaping plates 491 opposite to the first reference surface 433;
s4, after the positions to be welded are aligned, the pressing member 440 acts, and the positions to be welded of the rear plate 600 of the inner container of the dish washer are pressed to the positions to be welded of the middle plate 500 of the inner container of the dish washer through the pressing member 440;
s5, the welding wheel pressurizing device 300 moves to the position above the position to be welded of the rear plate 600 of the inner container of the dish washer, the second moving module 200 drives the welding wheel pressurizing device 300 to press against the position to be welded of the rear plate 600 of the inner container of the dish washer at a certain pressure, the welding wheel pressurizing device 300 is electrified, the mounting platform 130 is matched with the first moving module 120 together, and the welding wheel pressurizing device 300 is driven to weld the middle plate 500 of the inner container of the dish washer and the rear plate 600 of the inner container of the dish washer into the inner container of the dish washer along a set moving path;
and S6, after the welding is completed, the welding wheel pressurizing device 300, the shaping plate 491, the pressing component 440 and the positioning pins 435 return to the original positions, the two second positioning pieces 430 are far away from each other in the direction far away from the first positioning pieces, and the welded inner container of the dish-washing machine is manually taken out.
The welding positions of the middle plate 500 of the inner container of the dish washer and the rear plate 600 of the inner container of the dish washer are automatically aligned and positioned through the mutual matching action of the parts, the welding wheel pressurizing device 300 is driven to weld and mold the middle plate 500 of the inner container of the dish washer and the rear plate 600 of the inner container of the dish washer which are well aligned through a set program, the whole process is completely automated except for manual discharging and material taking, the condition of welding missing is avoided, and batch production of the inner container of the dish washer can be carried out by operating one device only by one person. Compared with the prior art, the welding method can automatically align the to-be-welded position of the middle plate 500 of the inner container of the dish washer with the to-be-welded position of the rear plate 600 of the inner container of the dish washer, manual alignment is not needed, meanwhile, the welding process is also automatically completed, manual intervention is not needed, and the laggard production mode of manual positioning, alignment and welding in the prior art is simplified.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (10)
1. An electric resistance seam welding device for a dishwasher liner, which is characterized in that: comprising
The base (100), the base (100) is provided with a mounting platform (130) capable of reciprocating rectilinear motion along the X direction;
the upright post (110) is arranged on the base (100), and a first movement module (120) capable of performing reciprocating linear movement along the Y direction is arranged at the top of the upright post (110);
the second motion module (200) is arranged on the first motion module (120), the second motion module (200) can do linear reciprocating motion along the Z direction, a welding wheel pressurizing device (300) is arranged at the motion end of the second motion module (200), and the welding wheel pressurizing device (300) is positioned above the mounting platform (130); and
the clamping device (400), clamping device (400) including mounting panel (410), first setting element and two second setting element (430) that the symmetry set up, mounting panel (410) are fixed in mounting platform (130), two second setting element (430) slide set up in mounting panel (410) and can be moved close to or keep away from in opposite directions, two second setting element (430) one side in opposite directions is provided with first datum plane (433) and location portion (434), two location portion (434) combine the back and form the second datum plane, second datum plane and two first datum plane (433) enclose to be established the shape of dish washer inner bag medium plate (500), the top of second setting element (430) is provided with third datum plane (432), locating pin (435) and clamp member (440), locating pin (435) can follow third datum plane (432) stretch out in order to be located dish washer inner bag back (600) in third datum plane (432), two location portion (440) are used for well locating element (430) are located dish washer inner bag medium plate (500), wherein second setting element (430) are located in between the first setting element (430) and the second setting element (430) are located in the clearance between the first setting element (430), the first locating piece is just right the second reference surface with the position of first reference surface (433) all is provided with a plurality of shaping boards (491) that can carry out linear reciprocating motion, shaping board (491) are used for with dish washer inner bag medium plate (500) orientation second reference surface or first reference surface (433) are pressed to, so that dish washer inner bag medium plate (500) wait to weld the position to be welded of position alignment dish washer inner bag back plate (600), through first motion module (120), second motion module (200) and the mutually supporting of mounting platform (130) in order to make welding wheel pressurizing device (300) can be with dish washer inner bag medium plate (500) and dish washer inner bag back plate (600) welded into the dish washer inner bag.
2. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the second datum plane and the first datum plane (433) are both bordered by the third datum plane (432), the movement direction of the shaping plate (491) is parallel to the third datum plane (432), one surface of the shaping plate (491) which is arranged towards the first datum plane (433) is parallel to the first datum plane (433), one surface of the shaping plate (491) which is arranged towards the second datum plane is parallel to the second datum plane, a first cylinder (490) is arranged at the position of the side surface of the first locating piece, corresponding to the shaping plate (491), and the movement end of the first cylinder (490) is connected with the shaping plate (491).
3. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the positioning part (434) is located one end of the second positioning piece (430), a second driving cylinder (460) and an adjusting plate (461) are arranged at the other end of the second positioning piece (430), and the second driving cylinder (460) is used for driving the adjusting plate (461) to move towards the second reference surface, so that the adjusting plate (461) can be positioned at an initial placement position of the middle plate (500) of the inner container of the dish washer.
4. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the bottom of first setting element is provided with a plurality of knockout mechanism (470), knockout mechanism (470) include third cylinder and layer board (471), the third cylinder is used for driving layer board (471) follow Z direction motion, so that layer board (471) can be with dish washer inner bag top is from locating pin (435).
5. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the pressing member (440) comprises a fourth cylinder and a pressing plate (441), one end of the pressing plate (441) is fixed at the moving end of the fourth cylinder, the other end of the pressing plate extends to the position above the third reference surface (432), and the pressing plate (441) is driven to linearly reciprocate along the Z direction through the fourth cylinder.
6. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the second locating piece (430) is connected with the mounting plate (410) in a sliding mode through the first linear guide rail sliding block structure (420), the linear guide rail sliding block structure comprises two sliding rails which are arranged in parallel and a sliding block which can be matched with the sliding rails, the sliding rails are fixed on the mounting plate (410), the second locating piece (430) is fixed on the sliding block, a fifth air cylinder (450) is arranged on the mounting plate (410), and the fifth air cylinder (450) is used for driving the two second locating pieces (430) to be close to or far away from each other.
7. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the first positioning piece comprises two vertical frames (480), a fourth datum plane is arranged on the top surfaces of the two vertical frames (480), and the fourth datum plane is leveled with the third datum plane (432).
8. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the second motion module (200) comprises a fixed plate (210), a motion piece (230) and a sixth air cylinder (240), wherein the motion piece (230) is slidably connected with the fixed plate (210) through a second linear guide rail sliding block structure, the motion end of the sixth air cylinder (240) is connected with the motion piece (230), and the sixth air cylinder (240) is used for driving the motion piece (230) to perform linear reciprocating motion.
9. The electric resistance seam welding apparatus of a dishwasher liner of claim 1, wherein: the welding wheel pressurizing device (300) comprises a fixing piece (310), a driving motor (320), a mounting shaft (330) and a welding wheel (340), wherein one end of the mounting shaft (330) is rotationally connected with the fixing piece (310), the other end of the mounting shaft is rotationally connected with the welding wheel (340), the driving motor (320) is in transmission connection with the mounting shaft (330) through a gear structure, the mounting shaft (330) is vertically arranged, and the rotation center of the welding wheel (340) is perpendicular to the rotation center of the mounting shaft (330).
10. A method for welding a dishwasher liner, using the electric resistance seam welding device of any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, returning the shaping plate (491), the locating pin (435) and the pressing member (440) to the original positions, wherein the two second locating pieces (430) are far away from each other in the direction far away from the first locating piece, and the middle plate (500) of the inner container of the dish-washing machine is placed on the outer side;
s2, after the middle plate (500) of the inner container of the dish washer is placed, two second positioning pieces (430) are close to each other in opposite directions and are attached to each other, so that two positioning parts (434) are combined to form a second reference surface, meanwhile, a positioning pin (435) extends out of the third reference surface (432), the rear plate (600) of the inner container of the dish washer is manually placed on the third reference surface (432), and the positioning pin (435) penetrates through a positioning hole (601) of the rear plate (600) of the inner container of the dish washer to be positioned;
s3, all the shaping plates (491) approach towards the second reference surface or the first reference surface (433) at the same speed so as to respectively press each side surface of the middle plate (500) of the inner container of the dish-washing machine against the second reference surface and the first reference surface (433);
s4, after the positions to be welded are aligned, the pressing member (440) acts, and the positions to be welded of the rear plate (600) of the inner container of the dish washer are pressed to the positions to be welded of the middle plate (500) of the inner container of the dish washer through the pressing member (440);
s5, the welding wheel pressurizing device (300) moves to the position above the position to be welded of the rear plate (600) of the inner container of the dish washer, the second moving module (200) drives the welding wheel pressurizing device (300) to press against the position to be welded of the rear plate (600) of the inner container of the dish washer with a certain pressure, the welding wheel pressurizing device (300) is electrified, the mounting platform (130) and the first moving module (120) are matched together, and the welding wheel pressurizing device (300) is driven to weld the middle plate (500) of the inner container of the dish washer and the rear plate (600) of the inner container of the dish washer into the inner container of the dish washer along a set moving path;
s6, after welding is completed, the welding wheel pressurizing device (300), the shaping plate (491), the pressing component (440) and the positioning pins (435) return to the original positions, the two second positioning pieces (430) are far away from each other towards the direction far away from the first positioning pieces, and the welded dishwasher liner is taken out manually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310510891.4A CN116511671A (en) | 2023-05-08 | 2023-05-08 | Resistance seam welding equipment and welding method for inner container of dish washer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310510891.4A CN116511671A (en) | 2023-05-08 | 2023-05-08 | Resistance seam welding equipment and welding method for inner container of dish washer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118595659A (en) * | 2024-07-31 | 2024-09-06 | 泰州浩邦科技发展有限公司 | A welding device for dishwasher production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118595659A (en) * | 2024-07-31 | 2024-09-06 | 泰州浩邦科技发展有限公司 | A welding device for dishwasher production |
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