Bin cover positioning device and welding device with same

Abstract

The utility model discloses a chamber cover positioning device and a welding device with the same, and relates to the technical field of transformer oil tank manufacturing, the chamber cover positioning device comprises a side limiting device, a side limiting block is arranged on the side limiting device, a side riding wheel is arranged on the lower side of the side limiting device, and a movable upper pressing head is arranged on the upper side of the side limiting device; the cover plate alignment device is located between the side limiting devices, horizontal inner top frames are arranged on the left side and the right side of the cover plate alignment device, and upper top blocks are arranged on the horizontal inner top frames; a side riding wheel of the side limiting device is matched with a side limiting block to position a workpiece protection plate part, and a movable upper pressing head of the side limiting device is matched with an upper ejection block of the cover plate alignment device to position a workpiece cover plate part, so that the workpiece protection plate part and the workpiece cover plate part can be subjected to pre-welding work after being aligned; and the connecting positions between the workpiece protection plate part and the workpiece cover plate part are welded together in a spot welding mode, and welding work of the bin cover workpiece is completed preliminarily.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer oil tank manufacturing technical field especially, relates to a warehouse room cover positioning device and welding device who has it. BACKGROUND

[0002] The oil tank is an important part of the transformer (for example, the transformer of the electric power control system of the motor car). When the volume of the transformer oil expands or shrinks with the temperature of the oil, the transformer oil tank plays the role of oil storage or oil supplement. Therefore, the oil tank needs to divide the warehouse room part for the oil tank and cover the warehouse room cover, and for part large size oil tank, the warehouse room cover still needs to weld the cover guard plate to ensure the sealing effect of the oil tank. But at present, the welding device for the above warehouse room cover requirement is lacked, and the cover guard plate splicing welding technology of the warehouse room cover is very dependent on manual splicing operation, which not only is not stable in quality, but also leads to low welding efficiency, and cannot meet the delivery demand. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the prior art. To this end, the utility model provides a warehouse room cover positioning device and welding device with it.

[0004] According to the warehouse room cover positioning device of the first aspect embodiment of the utility model, including: the warehouse room cover work piece, including the work piece guard plate part of downside and the work piece cover plate part of upside, the work piece guard plate part is connected in the downside of the edge position of the work piece cover plate part, the work piece guard plate part includes at least left side guard plate, right side guard plate and rear side guard plate, side limiting device, located in the left and right sides of prewelding station support, the side limiting device is provided with side limiting block, the side limiting block top holds the outside wall of work piece guard plate part, the side limiting device downside is provided with side supporting wheel, and the side supporting wheel holds the downside of work piece guard plate part, and the side limiting device upside is provided with movable upper pressing head, and the movable upper pressing head top holds the upside of the edge position of work piece cover plate part left and right sides, cover plate alignment device, located between the side limiting device, and alignment lifting device can control the cover plate alignment device from below to stretch into the inside of work piece guard plate part, and the cover plate alignment device left and right sides are provided with horizontal inner top frame, and the horizontal inner top frame is provided with upper top block, and the upper top block top holds the downside of the edge position of work piece cover plate part left and right sides.

[0005] According to some embodiments of the utility model, the prewelding station support left and right sides are provided with width adjusting guide rails, the width adjusting guide rails extend along the left and right sides, the width adjusting guide rails are provided with width adjusting sliders, the side limiting device is connected on the width adjusting slider, and the side limiting device drives along the width adjusting guide rails left and right through width adjusting control device.

[0006] According to some embodiments of the utility model, the side limiting device is provided with an upper pressing head alignment guide rail, the upper pressing head alignment guide rail extends along the left and right sides, the upper pressing head alignment guide rail is provided with an upper pressing head alignment slider, the upper pressing head alignment slider is provided with an upper pressing head alignment frame, the upper pressing head alignment frame abuts against the upper side position of the outer side wall of the workpiece cover plate part, the movable upper pressing head is located on the upper pressing head alignment frame, and the upper pressing head alignment frame is driven to move left and right along the upper pressing head alignment guide rail through an alignment frame control device.

[0007] According to some embodiments of the utility model, the side limiting device is provided with an upper pressing head alignment guide rail, the upper pressing head alignment guide rail extends along the left and right sides, the upper pressing head alignment guide rail is provided with an upper pressing head alignment slider, the upper pressing head alignment slider is provided with an upper pressing head alignment frame, the upper pressing head alignment frame abuts against the upper side position of the outer side wall of the workpiece cover plate part, the movable upper pressing head is located on the upper pressing head alignment frame, and the upper pressing head alignment frame is driven to move left and right along the upper pressing head alignment guide rail through an alignment frame control device.

[0008] According to some embodiments of the utility model, the upper side of the side limiting device is connected with an upper swing piece through a rotating shaft, the upper swing piece is provided with an upper swing piece control end and an upper swing piece pressing end, the upper swing piece control end is connected with an upper pressing head lifting cylinder through a rotating shaft, the movable upper pressing head is connected to the upper swing piece pressing end, the upper swing piece lifting cylinder drives the upper swing piece to swing up and down, and the upper swing piece swinging drives the movable upper pressing head to move up and down.

[0009] According to some embodiments of the utility model, the horizontal inner top frame is provided with a top supporting wheel, the top supporting wheel supports the lower side of the workpiece cover plate part, the horizontal inner top frame is further provided with a side lifting frame guide rail, the side lifting frame guide rail extends along the upper and lower sides, the side lifting frame guide rail is provided with a side lifting frame slider, the side lifting frame slider is provided with a side lifting frame, and the upper top block is located on the side lifting frame.

[0010] According to some embodiments of the utility model, the rear side of the cover plate alignment device is provided with a rear retreat frame guide rail, the rear retreat frame guide rail extends along the front and rear sides, the rear retreat frame guide rail is provided with a rear retreat frame slider, the rear retreat frame slider is provided with a rear retreat frame, the rear retreat frame is driven to move forward and backward along the rear retreat frame guide rail through a rear retreat control device, the rear retreat frame is provided with a rear lifting frame guide rail, the rear lifting frame guide rail extends along the upper and lower sides, the rear lifting frame guide rail is provided with a rear lifting frame slider, the rear lifting frame slider is provided with a rear lifting frame, the rear lifting frame is provided with a rear top block, the rear top block abuts against the lower side of the rear side position of the workpiece cover plate part, and the rear lifting frame is driven to move up and down along the rear lifting frame guide rail through a rear lifting control device.

[0011] According to some embodiments of the present application, the rear side of the pre-welding station support is provided with a rear gantry, the upper side of the rear gantry is provided with a rear limiting block, the rear limiting block is controlled to lift and lower by a rear limiting block lifting cylinder, and the rear limiting block abuts against the upper end position of the rear side wall of the workpiece guard plate part.

[0012] The warehouse cover positioning device according to the embodiments of the present application has at least the following technical effects: the workpiece guard plate part is positioned by cooperation of the side supporting wheel and the side limiting block of the side limiting device, the workpiece cover plate part is positioned by cooperation of the movable upper pressing head of the side limiting device and the upper abutting block of the cover plate positioning device, the workpiece guard plate part and the workpiece cover plate part can be aligned and then pre-welded, the connection position between the workpiece guard plate part and the workpiece cover plate part is welded together by spot welding, and the welding work of the warehouse cover workpiece is preliminarily completed.

[0013] The welding device according to the second aspect of the embodiments of the present application comprises the warehouse cover positioning device according to the first aspect of the embodiments of the present application, and further comprises a machine welding device, the machine welding device comprises a welding station conveying line, welding station side limiting devices are arranged on the left and right sides of the welding station conveying line, the welding station side limiting devices on the left and right sides clamp the left and right sides of the outer side wall of the workpiece guard plate part of the warehouse cover workpiece, and a welding robot is arranged beside the welding station conveying line.

[0014] According to some embodiments of the present application, a buffer transition table is arranged between the pre-welding station support and the machine welding device, the buffer transition table comprises a buffer conveying line and a transfer cylinder, the upper side of the buffer conveying line abuts against the lower sides of the left and right side walls of the workpiece guard plate part, a buffer transition first guide rail and a buffer transition first rack are arranged on the buffer transition table, the buffer transition first guide rail and the buffer transition first rack both extend along the front and rear sides, a buffer transition first sliding block is arranged on the buffer transition first guide rail, the buffer transition first sliding block is connected with the piston rod of the transfer cylinder, a piston rod push-pull gear is arranged on the buffer transition first sliding block, the piston rod push-pull gear is engaged with the buffer transition first rack, a buffer transition second guide rail is further arranged on the buffer transition table, a buffer transition second sliding block is arranged on the buffer transition second guide rail, a buffer transition second rack is arranged on the buffer transition second sliding block, the buffer transition second guide rail and the buffer transition second rack also extend along the front and rear sides, a workpiece pushing block is further arranged on the buffer transition second sliding block, the piston rod push-pull gear is also engaged with the buffer transition second rack, and the transfer cylinder drives the workpiece pushing block to move forward and backward and abut against the lower side of the rear side wall of the workpiece guard plate part.

[0015] The welding device has at least the following technical effects: the side limiting device is used for positioning the workpiece cover plate part through cooperation of the side supporting wheel and the side limiting block, the movable upper pressing head of the side limiting device is used for positioning the workpiece cover plate part through cooperation of the upper pressing block of the cover plate aligning device, the workpiece cover plate part and the workpiece cover plate part can be aligned and then pre-welding work is performed, the workpiece cover plate part and the workpiece cover plate part are welded together at the connecting position therebetween through spot welding, and the welding work of the bin cover workpiece can be more accurately completed.

[0016] Additional aspects and advantages of the present application will be described in part below and will be apparent from the following description, become apparent from the following description, or be learned by practicing the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] Additional aspects and advantages of the present application will be apparent from the following description in conjunction with the accompanying drawings, in which:

[0018] Figure 1 is a perspective view of the bin cover positioning device of the present application;

[0019] Figure 2 is a perspective view of the present application at the pre-welding station;

[0020] Figure 3 is a structural schematic view of the present application at the pre-welding station;

[0021] Figure 4 is a working schematic view of the present application;

[0022] Figure 5 is a perspective view of the side limiting device in the present application;

[0023] Figure 6 is a perspective view of the side limiting device in the present application from another angle;

[0024] Figure 7 is a perspective view of the aligning lifting device in the present application;

[0025] Figure 8 is a perspective view of the cover plate aligning device in the present application;

[0026] Figure 9 is a perspective view of the cover plate aligning device in the present application from another angle;

[0027] Figure 10 is a perspective view of the buffer transition table in the present application;

[0028] Figure 11 is Figure 10 an enlarged view of the A area in the present application.

[0029] Reference signs:

[0030] Pre-welding station support 100, width adjusting guide rail 110, width adjusting slider 111, width adjusting control device 112, alignment lifting device 120, lifting cylinder 121, lifting frame 122, lifting guide rod 123, lifting guide sleeve 124; side limiting device 200, width adjusting seat 210, feeding guide rail 211, feeding slider 212, feeding seat 220, feeding control device 221, side limiting block 230, side supporting wheel 240, movable upper pressing head 250, upper swing piece 251, upper swing piece control end 252, upper swing piece pressing end 253, upper pressing head lifting cylinder 254, upper pressing head alignment frame 260, upper pressing head alignment guide rail 261, upper pressing head alignment slider 262, alignment frame control device 263; cover plate alignment device 300, horizontal inner jacking frame 310, top supporting wheel 311, inner jacking frame driving cylinder 3111, side lifting frame guide rail 312, side lifting frame slider 313, side lifting frame 314, inner jacking frame driving gear 315, inner jacking frame driving rack 316, inner jacking frame translation guide rail 317, inner jacking frame translation slider 318, side lifting control device 319, upper jacking block 320, rear jacking block 330, rear lifting frame guide rail 331, rear lifting frame slider 332, rear lifting frame 333, rear lifting frame guide rail 334, rear lifting frame slider 335, rear lifting frame 336, rear lifting control device 337, rear lifting control device 338; rear gantry 400, rear limiting block 410, rear limiting block lifting cylinder 420; machine welding device 500, welding station conveying line 510, welding station side limiting device 520, welding robot 530; buffer transition platform 600, buffer conveying line 610, transfer cylinder 620, piston rod 621, piston rod push-pull gear 622, buffer transition first guide rail 630, buffer transition first slider 631, buffer transition first rack 632, buffer transition second guide rail 640, buffer transition second slider 641, buffer transition second rack 642, workpiece pushing block 643; warehouse cover workpiece 700, workpiece guard plate part 710, workpiece cover plate part 720. DETAILED DESCRIPTION

[0031] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0032] In the description of the utility model, it needs to be understood that, when the direction is described, for example, the direction or position relation of the indication such as upper, lower, front, rear, left, right is the direction or position relation based on the drawing shown, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model.

[0033] In the description of the utility model, the meaning of multiple is more than two, greater than, less than, more than, etc. It is understood as not including the number. If it is described to the first, second, it is only used for distinguishing the technical features for the purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0034] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model combined with the specific content of the technical scheme.

[0035] The following refers to Figure 1 And Figure 2 The warehouse cover positioning device according to the utility model embodiment is described.

[0036] As Figure 1 And Figure 2 The warehouse cover positioning device according to the utility model embodiment comprises a side limiting device 200 and a cover plate alignment device 300.

[0037] The warehouse cover workpiece 700 comprises a lower workpiece guard plate part 710 and an upper workpiece cover plate part 720, the workpiece guard plate part 710 is connected to the lower side of the edge position of the workpiece cover plate part 720, and the workpiece guard plate part 710 at least comprises a left side guard plate, a right side guard plate and a rear side guard plate; referring to Figure 3 The side limiting device 200 is located on the left and right sides of the pre-welding station support 100, the side limiting device 200 is provided with a side limiting block 230, the side limiting block 230 abuts against the outer side wall of the workpiece guard plate part 710, the lower side of the side limiting device 200 is provided with a side supporting wheel 240, the side supporting wheel 240 supports the lower side of the workpiece guard plate part 710, the upper side of the side limiting device 200 is provided with a movable upper pressing head 250, and the movable upper pressing head 250 abuts against the upper side of the edge position on the left and right sides of the workpiece cover plate part 720; the cover plate alignment device 300 is located between the side limiting devices 200, the alignment lifting device 120 can control the cover plate alignment device 300 to extend into the inner side of the workpiece guard plate part 710 from below, the left and right sides of the cover plate alignment device 300 are provided with a horizontal inner top frame 310, the horizontal inner top frame 310 is provided with an upper pressing block 320, and the upper pressing block 320 abuts against the lower side of the edge position on the left and right sides of the workpiece cover plate part 720.

[0038] For example, as shown in Figure 1 and Figure 2 The pre-welding station of the welding device is responsible for aligning the workpiece cover plate part 710 and the workpiece cover plate part 720, and then completing the pre-welding connection of the chamber cover workpiece 700 through spot welding, so as to prepare for the subsequent complete welding. The side limiting device 200 is located on the left and right sides of the pre-welding station support 100, and the side limiting device 200 does not need to be lifted. The side limiting device 200 is provided with a side limiting block 230, and the side limiting block 230 abuts against the outer side wall of the workpiece cover plate part 710. The side limiting device 200 is provided with a side supporting wheel 240 on the lower side, and the side supporting wheel 240 supports the lower side of the workpiece cover plate part 710. The workpiece cover plate part 720 is located on the upper side of the workpiece cover plate part 710, and the side limiting device 200 is provided with a movable upper pressing head 250 on the upper side, and the movable upper pressing head 250 abuts against the upper side of the edge position on the left and right sides of the workpiece cover plate part 720. Referring to Figure 2 、 Figure 3 The cover plate aligning device 300 is located between the side limiting devices 200, and the cover plate aligning device 300 can be controlled by the aligning and lifting device 120 to extend into the inner side of the workpiece cover plate part 710 from the lower side. The cover plate aligning device 300 is provided with a horizontal inner top frame 310 on the left and right sides, and the horizontal inner top frame 310 can be horizontally translated. The horizontal inner top frame 310 is provided with an upper pressing block 320, and the upper pressing block 320 abuts against the lower side of the edge position on the left and right sides of the workpiece cover plate part 720.

[0039] Referring to Figure 4 In actual work, first, the workpiece cover plate part 710 is sent along the side supporting wheel 240 to the predetermined position on the pre-welding station support 100 of the pre-welding station, and the lower side of the workpiece cover plate part 710 is supported by the side supporting wheel 240, and the outer side wall of the workpiece cover plate part 710 is abutted by the side limiting block 230, so as to realize the positioning of the workpiece cover plate part 710.

[0040] Then the aligning and lifting device 120 controls the cover plate aligning device 300 to rise, so that the cover plate aligning device 300 extends into the inner side of the workpiece cover plate part 710 from the lower side. Then the horizontal inner top frame 310 is horizontally translated to the left and right sides, so that the upper pressing block 320 on the horizontal inner top frame 310 reaches the predetermined position, and the workpiece cover plate part 720 is placed and ensured to be aligned with the workpiece cover plate part 710. Then the movable upper pressing head 250 abuts against the upper side of the edge position on the left and right sides of the workpiece cover plate part 720, so as to ensure that the movable upper pressing head 250 can cooperate with the upper pressing block 320 to fix the workpiece cover plate part 720.

[0041] After the workpiece cover plate part 710 and the workpiece cover plate part 720 are fixed, pre-welding work can be carried out, the connection position between the workpiece cover plate part 710 and the workpiece cover plate part 720 is welded together by spot welding, and the welding work of the chamber cover workpiece 700 is preliminarily completed.

[0042] In some embodiments of the utility model, referring to Figure 3 , Figure 5 The width adjusting guide rail 110 is used for guiding the width adjusting sliding block 111 to move, so that the side limiting device 200 can be adjusted in position according to the width size of the workpiece cover plate part 710. The side limiting device 200 is driven by the width adjusting control device 112 to move left and right along the width adjusting guide rail 110.

[0043] In some embodiments of the utility model, the width adjusting control device 112 adopts a hand wheel adjusting device.

[0044] In some embodiments of the utility model, referring to Figure 5 , Figure 6 The width adjusting seat 210 and the feeding seat 220 are connected with the width adjusting sliding block 111, the feeding guide rail 211 is arranged on the width adjusting seat 210 and extends along the left and right sides, the feeding sliding block 212 is arranged on the feeding guide rail 211, the feeding seat 220 is connected with the feeding sliding block 212, and the side limiting block 230 and the movable upper pressing head 250 are both connected with the feeding seat 220. The feeding guide rail 211 is used for guiding the feeding sliding block 212 to move, so that the width adjusting seat 210 is first adjusted in position according to the width size of the workpiece cover plate part 710, then the feeding seat 220 drives the side limiting block 230 to clamp the two sides of the workpiece cover plate part 710 after the workpiece cover plate part 710 is sent to the predetermined position. The feeding seat 220 is driven by the feeding control device 221 to move left and right along the feeding guide rail 211.

[0045] In some embodiments of the utility model, the feeding control device 221 adopts a cylinder device.

[0046] In some embodiments of this utility model, the side limiting device 200 is provided with an upper pressure head alignment guide rail 261, which extends along the left and right sides. An upper pressure head alignment slider 262 is provided on the upper pressure head alignment guide rail 261, and an upper pressure head alignment frame 260 is provided on the upper pressure head alignment slider 262. The upper pressure head alignment frame 260 abuts against the upper side of the outer wall of the workpiece guard plate portion 710, and the movable upper pressure head 250 is located on the upper pressure head alignment frame 260. The upper pressure head alignment guide rail 261 guides the upper pressure head alignment slider 262 to move, causing the upper pressure head alignment frame 260 to press against the upper sides of the left and right sides of the workpiece guard plate portion 710. It can also move each movable upper pressure head 250 together to a predetermined position, ensuring that the movable upper pressure heads 250 together press against the upper sides of the left and right sides of the workpiece cover plate portion 720. The upper pressure head alignment frame 260 is driven by the alignment frame control device 263 to move left and right along the upper pressure head alignment guide rail 261.

[0047] In some embodiments of this utility model, the alignment frame control device 263 adopts a cylinder device.

[0048] In some embodiments of this utility model, the upper side of the side limiting device 200 is connected to an upper swing member 251 via a rotating shaft. The upper swing member 251 is provided with an upper swing member control end 252 and an upper swing member pressure end 253. The upper swing member control end 252 is connected to an upper pressure head lifting cylinder 254 via a rotating shaft. The movable upper pressure head 250 is connected to the upper swing member pressure end 253. The upper pressure head lifting cylinder 254 drives the upper swing member 251 to swing up and down, and the swing of the upper swing member 251 drives the movable upper pressure head 250 to move up and down. The piston rod of the upper pressure head lifting cylinder 254 pulls the upper swing member control end 252, causing the upper swing member pressure end 253 on the upper swing member 251 to rotate together, thus controlling the rotation of the movable upper pressure head 250.

[0049] In some embodiments of this utility model, reference is made to Figure 3 , Figure 7 The alignment and lifting device 120 includes a lifting cylinder 121 and a lifting frame 122, with the cover plate alignment device 300 located on the lifting frame 122. The lifting cylinder 121 controls the lifting and lowering movement of the lifting frame 122. The pre-welding station support 100 is also equipped with a lifting guide rod 123, and the lifting frame 122 is equipped with a lifting guide sleeve 124. The lifting guide rod 123 guides the lifting guide sleeve 124 to rise and fall, ensuring the smooth lifting and lowering movement of the cover plate alignment device 300.

[0050] In some embodiments of this utility model, reference is made to Figure 8 , Figure 9The horizontal inner top frame 310 is provided with a top supporting wheel 311 supporting the lower side of the workpiece cover plate part 720.

[0051] In some embodiments of the utility model, the side lifting control device 319 adopts a cylinder device.

[0052] In some embodiments of the utility model, the cover plate alignment device 300 is provided with an inner top frame translation guide rail 317, and the horizontal inner top frame 310 is provided with an inner top frame translation sliding block 318.

[0053] In some embodiments of the utility model, the cover plate alignment device 300 is provided with an inner top frame driving motor for driving the rotation of the inner top frame driving gear 315, and the horizontal inner top frame 310 on both sides is provided with an inner top frame driving rack 316, the inner top frame driving gear 315 is engaged with the inner top frame driving rack 316, the inner top frame driving cylinder 3111 drives the horizontal inner top frame 310 on one side to move, and the horizontal inner top frame 310 on both sides moves simultaneously through the transmission of the inner top frame driving gear 315 and the inner top frame driving rack 316.

[0054] In some embodiments of the utility model, the rear side of the cover plate alignment device 300 is provided with a rear retreat frame guide rail 331 extending along the front and rear sides, the rear retreat frame guide rail 331 is provided with a rear retreat frame sliding block 332, and the rear retreat frame sliding block 332 is provided with a rear retreat frame 333.

[0055] The rear retreat frame 333 is provided with a rear lifting guide rail 334 extending along the up-down direction, the rear lifting guide rail 334 is provided with a rear lifting slider 335, the rear lifting slider 335 is provided with a rear lifting frame 336, the rear lifting frame 336 is provided with a rear top block 330, the rear top block 330 abuts against the lower side of the rear side edge position of the workpiece cover plate part 720. The rear lifting guide rail 334 guides the rear lifting slider 335 to move, so that the rear lifting frame 336 can drive the rear top block 330 to move upward, thereby ensuring that the rear top block 330 can abut against the lower side of the rear side edge position of the workpiece cover plate part 720. The rear lifting frame 336 is driven to move up and down along the rear lifting guide rail 334 by a rear lifting control device 338.

[0056] In some embodiments of the present application, the rear retreat control device 337 and the rear lifting control device 338 are cylinder devices.

[0057] In some embodiments of the present application, a rear gantry 400 is arranged at the rear side of the pre-welding station support 100, a rear limiting block 410 is arranged at the upper side of the rear gantry 400, the rear limiting block 410 is controlled to move up and down by a rear limiting block lifting cylinder 420, and the rear limiting block 410 abuts against the upper end position of the rear side wall of the workpiece cover plate part 710. The chamber cover workpiece 700 can be conveyed through the rear gantry 400 to the next process. The rear limiting block 410 is controlled to move downward by the rear limiting block lifting cylinder 420 to abut against the upper end position of the rear side wall of the workpiece cover plate part 710.

[0058] In some embodiments of the present application, referring to Figure 1 , the welding device according to the second aspect of the present application comprises the chamber cover positioning device according to the first aspect of the present application. The welding device further comprises a machine welding device 500, the machine welding device 500 comprises a welding station conveying line 510, welding station side limiting devices 520 are arranged at the left and right sides of the welding station conveying line 510, the welding station side limiting devices 520 on the left and right sides clamp the left and right sides of the outer side wall of the workpiece cover plate part 710 of the chamber cover workpiece 700, and a welding robot 530 is arranged beside the welding station conveying line 510. After the welding station side limiting devices 520 fix the chamber cover workpiece 700, the welding robot 530 is used to perform formal welding work on other places that need to be welded on the chamber cover workpiece 700.

[0059] In some embodiments of the present application, the welding station side limiting devices 520 are also provided with side limiting blocks 230 and movable upper pressing heads 250.

[0060] In some embodiments of the present application, referring to Figure 1 , Figure 10, the pre-welding station support 100 and the machine welding device 500 are provided with a buffer transition table 600, the buffer transition table 600 comprises a buffer conveying line 610 and a transfer cylinder 620, and the upper side of the buffer conveying line 610 abuts against the lower side of the left and right side walls of the workpiece guard plate part 710. The buffer conveying line 610 can drive the transfer chamber cover workpiece 700.

[0061] With reference to Figure 10 , Figure 11 The buffer transition table 600 is provided with a buffer transition first guide rail 630 and a buffer transition first rack 632, both of which extend along the front-rear direction. The buffer transition first guide rail 630 is provided with a buffer transition first sliding block 631, the buffer transition first sliding block 631 is connected with the piston rod 621 of the transfer cylinder 620, the buffer transition first sliding block 631 is provided with a piston rod push-pull gear 622, and the piston rod push-pull gear 622 is engaged with the buffer transition first rack 632. When the piston rod 621 of the transfer cylinder 620 extends and retracts, the buffer transition first guide rail 630 guides the buffer transition first sliding block 631 to move, and the piston rod push-pull gear 622 moves together.

[0062] The buffer transition table 600 is also provided with a buffer transition second guide rail 640, the buffer transition second guide rail 640 is provided with a buffer transition second sliding block 641, the buffer transition second sliding block 641 is provided with a buffer transition second rack 642, the buffer transition second guide rail 640 and the buffer transition second rack 642 also extend along the front-rear direction, and the buffer transition second sliding block 641 is also provided with a workpiece push block 643. The piston rod push-pull gear 622 is also engaged with the buffer transition second rack 642. The buffer transition second guide rail 640 guides the buffer transition second sliding block 641 to move. The transfer cylinder 620 drives the workpiece push block 643 to move forward and backward and abut against the lower side of the rear side wall of the workpiece guard plate part 710.

[0063] The buffer transition first guide rail 630, the buffer transition first rack 632 and the buffer transition second guide rail 640 are fixed. When the piston rod 621 of the transfer cylinder 620 extends, the buffer transition first rack 632 drives the piston rod push-pull gear 622 on the buffer transition first sliding block 631 to rotate, then the piston rod push-pull gear 622 drives the buffer transition second rack 642 and the buffer transition second sliding block 641 to move together, and further drives the workpiece push block 643 on the buffer transition second sliding block 641 to push the chamber cover workpiece 700 into the welding station conveying line 510. In this way, the transfer cylinder 620 does not need a large-stroke cylinder structure, and can push the large-size chamber cover workpiece 700.

[0064] According to the welding device, the warehouse cover positioning device is adopted, the warehouse cover of large thickness size is adapted, the cover plate welding work of the warehouse cover is facilitated, the welding effect and the welding work efficiency are improved, and the production efficiency of the transformer oil tank is improved.

[0065] Other configurations and operations of the welding device are known to those skilled in the art, and will not be described in detail here.

[0066] Reference will be made to Figure 1 and Figure 2 The warehouse cover positioning device according to the embodiment of the utility model is described in detail with a specific embodiment. It is to be understood that the following description is only exemplary and is not a specific limitation on the utility model.

[0067] As Figure 1 and Figure 2 shown, the welding device of the embodiment of the utility model, including pre-welding station support 100, side limiting device 200, cover plate alignment device 300, rear gantry 400, machine welding device 500 and buffer transition table 600. The welding device is used for aligning the workpiece cover plate part 720 and the workpiece cover plate part 720, and connecting together by welding to become a warehouse cover workpiece 700.

[0068] The pre-welding station support 100 is provided with width adjusting guide rail 110, width adjusting sliding block 111, alignment lifting device 120, lifting cylinder 121, lifting frame 122, lifting guide rod 123 and lifting guide sleeve 124. The side limiting device 200 includes width adjusting seat 210, feeding guide rail 211, feeding sliding block 212, feeding seat 220, side limiting block 230, side supporting wheel 240, movable upper pressing head 250, upper swing piece 251, upper swing piece control end 252, upper swing piece pressing end 253, upper pressing head lifting cylinder 254, upper pressing head alignment frame 260, upper pressing head alignment guide rail 261 and upper pressing head alignment sliding block 262. The cover plate alignment device 300 includes horizontal inner top frame 310, top supporting wheel 311, side lifting frame guide rail 312, side lifting frame sliding block 313, side lifting frame 314, inner top frame drive gear 315, inner top frame drive rack 316, inner top frame drive cylinder 3111, inner top frame translation guide rail 317, inner top frame translation sliding block 318, upper top block 320, rear top block 330, rear retreat frame guide rail 331, rear retreat frame sliding block 332, rear retreat frame 333, rear lifting frame guide rail 334, rear lifting frame sliding block 335 and rear lifting frame 336. The rear gantry 400 is provided with rear limiting block 410 and rear limiting block lifting cylinder 420.

[0069] The machine welding device 500 includes welding station conveying line 510, welding station side limiting device 520 and welding robot 530.

[0070] The buffer transition platform 600 comprises a buffer conveying line 610, a transfer cylinder 620, a piston rod 621, a piston rod push-pull gear 622, a buffer transition first guide rail 630, a buffer transition first slider 631, a buffer transition first rack 632, a buffer transition second guide rail 640, a buffer transition second slider 641, a buffer transition second rack 642, and a workpiece push block 643.

[0071] According to the warehouse cover positioning device, the workpiece cover plate part 720 can be positioned through cooperation of the side supporting wheel 240 of the side limiting device 200 and the side limiting block 230, and the workpiece cover plate part 720 can be positioned through cooperation of the movable upper pressing head 250 of the side limiting device 200 and the upper pressing block 320 of the cover plate alignment device 300, so that the workpiece cover plate part 720 can be aligned with the workpiece cover plate part 710 and then pre-welding work can be performed, the workpiece cover plate part 710 and the workpiece cover plate part 720 are welded together through spot welding at a connecting position therebetween, and welding work of the warehouse cover workpiece 700 is preliminarily completed.

[0072] In the description of the present specification, the description referring to the terms "some embodiments" or "it is conceivable that" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0073] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A bin chamber cover positioning device, characterized by, The warehouse room cover workpiece (700) comprises a lower workpiece guard plate part (710) and an upper workpiece cover plate part (720), the workpiece guard plate part (710) is connected to the lower side of the edge position of the workpiece cover plate part (720), and the workpiece guard plate part (710) comprises at least a left guard plate, a right guard plate and a rear guard plate. The side limiting device (200) is located on the left and right sides of the pre-welding station support (100), the side limiting device (200) is provided with a side limiting block (230), the side limiting block (230) abuts against the outer side wall of the workpiece guard plate part (710), the side limiting device (200) is provided with a side supporting wheel (240) on the lower side, the side supporting wheel (240) supports the lower side of the workpiece guard plate part (710), the side limiting device (200) is provided with a movable upper pressing head (250) on the upper side, and the movable upper pressing head (250) abuts against the upper side of the edge position on the left and right sides of the workpiece cover plate part (720). The cover plate alignment device (300) is located between the side limiting devices (200), and the alignment lifting device (120) can control the cover plate alignment device (300) to extend into the inner side of the workpiece guard plate part (710) from below to above, the cover plate alignment device (300) is provided with a horizontal inner top frame (310) on the left and right sides, the horizontal inner top frame (310) is provided with an upper top block (320), and the upper top block (320) abuts against the lower side of the edge position on the left and right sides of the workpiece cover plate part (720). The pre-welding station support (100) is provided with a width adjusting guide rail (110) on the left and right sides, the width adjusting guide rail (110) extends along the left and right directions, the width adjusting guide rail (110) is provided with a width adjusting sliding block (111), the side limiting device (200) is connected to the width adjusting sliding block (111), and the side limiting device (200) is driven to move left and right along the width adjusting guide rail (110) by a width adjusting control device (112).

2. The pod chamber cover positioning device of claim 1, wherein, The side limiting device (200) comprises a width adjusting seat (210) and a feeding seat (220), the width adjusting seat (210) is connected to the width adjusting sliding block (111), the width adjusting seat (210) is provided with a feeding guide rail (211), the feeding guide rail (211) extends along the left and right directions, the feeding guide rail (211) is provided with a feeding sliding block (212), the feeding seat (220) is connected to the feeding sliding block (212), the side limiting block (230) and the movable upper pressing head (250) are both connected to the feeding seat (220), and the feeding seat (220) is driven to move left and right along the feeding guide rail (211) by a feeding control device (221).

3. The cartridge chamber cover positioning device of claim 2, wherein, ​ 4. The cartridge chamber cover positioning device of claim 1, wherein, The side limiting device (200) is provided with an upper pressing head alignment guide rail (261) extending along the left and right sides, the upper pressing head alignment guide rail (261) is provided with an upper pressing head alignment slider (262), the upper pressing head alignment slider (262) is provided with an upper pressing head alignment frame (260), the upper pressing head alignment frame (260) abuts against the upper side of the outer side wall of the workpiece guard plate part (710), the movable upper pressing head (250) is located on the upper pressing head alignment frame (260), and the upper pressing head alignment frame (260) is driven to move left and right along the upper pressing head alignment guide rail (261) by an alignment frame control device (263).

5. The cartridge chamber cover positioning device of claim 1, wherein, The upper side of the side limiting device (200) is connected with an upper swing piece (251) through a rotating shaft, the upper swing piece (251) is provided with an upper swing piece control end (252) and an upper swing piece pressing end (253), the upper swing piece control end (252) is connected with an upper pressing head lifting cylinder (254) through a rotating shaft, the movable upper pressing head (250) is connected to the upper swing piece pressing end (253), the upper pressing head lifting cylinder (254) drives the upper swing piece (251) to swing up and down, and the swinging of the upper swing piece (251) drives the movable upper pressing head (250) to move up and down.

6. The cartridge chamber cover positioning device of claim 1, wherein, The horizontal inner top frame (310) is provided with a top supporting wheel (311) supporting the lower side of the workpiece cover plate part (720), and is further provided with a side lifting frame guide rail (312) extending along the upper and lower sides, the side lifting frame guide rail (312) is provided with a side lifting frame slider (313), the side lifting frame slider (313) is provided with a side lifting frame (314), the upper top block (320) is located on the side lifting frame (314), and the side lifting frame (314) is driven to move up and down along the side lifting frame guide rail (312) by a side lifting control device (319).

7. The pod chamber cover positioning apparatus of claim 1, wherein, The rear side of the cover plate alignment device (300) is provided with a rear retreat frame guide rail (331) extending along the front and rear sides, the rear retreat frame guide rail (331) is provided with a rear retreat frame slider (332), the rear retreat frame slider (332) is provided with a rear retreat frame (333), and the rear retreat frame (333) is driven to move forward and backward along the rear retreat frame guide rail (331) by a rear retreat control device (337). The rear retreat frame (333) is provided with a rear lifting frame guide rail (334) extending along the upper and lower sides, the rear lifting frame guide rail (334) is provided with a rear lifting frame slider (335), the rear lifting frame slider (335) is provided with a rear lifting frame (336), the rear lifting frame (336) is provided with a rear top block (330), the rear top block (330) abuts against the lower side of the rear side edge position of the workpiece cover plate part (720), and the rear lifting frame (336) is driven to move up and down along the rear lifting frame guide rail (334) by a rear lifting control device (338).

8. The pod chamber cover positioning device of claim 1, wherein, The rear side of the pre-welding station support (100) is provided with a rear gantry (400), the upper side of the rear gantry (400) is provided with a rear limiting block (410), the rear limiting block (410) is controlled to be lifted and lowered by a rear limiting block lifting cylinder (420), and the upper end position of the rear side wall of the workpiece guard plate portion (710) is abutted against the rear limiting block (410).

9. A welding device characterized by, The warehouse cover positioning device comprises the warehouse cover positioning device according to any one of claims 1 to 8, and further comprises a machine welding device (500), the machine welding device (500) comprises a welding station conveying line (510), welding station side limiting devices (520) are arranged on the left and right sides of the welding station conveying line (510), the welding station side limiting devices (520) on the left and right sides clamp the left and right sides of the outer side wall of the workpiece guard plate portion (710) of the warehouse cover workpiece (700), and a welding robot (530) is arranged beside the welding station conveying line (510).

10. The welding device of claim 9, wherein, A buffer transition table (600) is arranged between the pre-welding station support (100) and the machine welding device (500), the buffer transition table (600) comprises a buffer conveying line (610) and a transfer cylinder (620), and the upper side of the buffer conveying line (610) abuts against the lower sides of the left and right side walls of the workpiece guard plate portion (710); The buffer transition table (600) is provided with a buffer transition first guide rail (630) and a buffer transition first rack (632), the buffer transition first guide rail (630) and the buffer transition first rack (632) extend along the front-rear direction, the buffer transition first guide rail (630) is provided with a buffer transition first sliding block (631), the buffer transition first sliding block (631) is connected with a piston rod (621) of the transfer cylinder (620), the buffer transition first sliding block (631) is provided with a piston rod push-pull gear (622), and the piston rod push-pull gear (622) is engaged with the buffer transition first rack (632); The buffer transition table (600) is further provided with a buffer transition second guide rail (640), the buffer transition second guide rail (640) is provided with a buffer transition second sliding block (641), the buffer transition second sliding block (641) is provided with a buffer transition second rack (642), the buffer transition second guide rail (640) and the buffer transition second rack (642) also extend along the front-rear direction, the buffer transition second sliding block (641) is further provided with a workpiece push block (643), the piston rod push-pull gear (622) is also engaged with the buffer transition second rack (642), and the transfer cylinder (620) drives the workpiece push block (643) to move forward and backward and abut against the lower side of the rear side wall of the workpiece guard plate portion (710).

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