CN215091299U

CN215091299U - Roll welding device

Info

Publication number: CN215091299U
Application number: CN202120732347.0U
Authority: CN
Inventors: 王义平; 张华香
Original assignee: Shenzhen Junjie Intelligent Equipment Co ltd
Current assignee: Shenzhen Junjie Intelligent Equipment Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-10
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to a roll welding device, which comprises a frame, wherein the lower part of the frame is provided with a flat electrode in the horizontal direction, and the frame is fixedly connected with a pressing mechanism which is arranged above the flat electrode and can move up and down; the upper part of the frame is provided with a slide rail parallel to the flat plate electrode, the slide rail is provided with a slide block in a sliding way, the slide block is provided with a roller electrode capable of moving up and down, and the roller electrode is positioned above the pressing mechanism and can rotate around the axis; the pressing mechanism comprises a strip-shaped pressing plate parallel to the flat electrode and a support frame fixedly connected to the rack, the pressing plate is slidably arranged on the support frame in an up-and-down moving manner, and a strip-shaped through hole is formed in the pressing plate; the roller electrode moves downwards to penetrate through the strip-shaped through hole to be electrically connected with the flat plate electrode. The utility model discloses an go up the electrode and be the gyro wheel electrode, the bottom electrode is the flat plate electrode, forms the roll welding and just can weld the whole long straight welding seam once, and the shaping is pleasing to the eye, high-efficient, and equipment self-holding guarantees the low deviation of welding seam position, and the welding seam does not have obvious arch.

Description

Roll welding device

Technical Field

The utility model relates to a welding equipment, especially a seam welding device.

Background

The rapid development of industrial technology, industrial production increasingly pursues high production efficiency and high quality, especially on the automatic punching press line body, need weld the head of new coil stock and the afterbody of raw materials area together and realize continuous feeding to the punch press after every coil of material area finishes using, ordinary welding process adopts manual welding, adopt welding wire or welding rod to fill the welding back and polish the welding seam salient position, need polish the welding seam height after welding and guarantee that the material area does not have the bump and can get into the press smoothly, this mode can't realize high-efficient production at all, the manpower consumes greatly, the product precision is relatively poor, the product defective rate is higher, it is difficult to match subsequent automatic continuous production operation. The existing roll welding devices are not easy to fix the material belt to be welded, and can not finish the welding of a long straight welding seam at one time.

SUMMERY OF THE UTILITY MODEL

To current not enough, the utility model provides a seam welding device.

The utility model provides a technical scheme that its technical problem adopted is: a roll welding device comprises a rack, wherein a strip-shaped flat electrode in the horizontal direction is arranged at the lower part of the rack, and a pressing mechanism which is positioned above the flat electrode and can move up and down is fixedly connected with the rack; the upper part of the rack is provided with a slide rail parallel to the flat plate electrode, the slide rail is provided with a slide block which is driven by a servo motor in a sliding way, the slide block is provided with a disc-shaped roller electrode which can move up and down, and the roller electrode is positioned above the pressing mechanism and can rotate around the axis; the pressing mechanism comprises a strip-shaped pressing plate parallel to the flat electrode and a support frame fixedly connected to the rack, the pressing plate is slidably arranged on the support frame in an up-and-down moving manner, and a strip-shaped through hole is formed in the pressing plate; the roller electrode moves downwards to penetrate through the strip-shaped through hole to be electrically connected with the flat plate electrode.

Preferably, the slider is provided with a vertically moving mounting rack in a sliding manner, the mounting rack is fixedly connected with a pressurizing cylinder, and the roller electrode is connected with the pressurizing cylinder.

Preferably, the servo motor is arranged at the position of the upper part of the rack adjacent to the slide rail.

Preferably, the distance of horizontal movement of the roller electrode is matched with the length of the strip-shaped through hole.

Preferably, the frame is further provided with a feeding device, and the feeding device comprises a feeding support fixed on the frame, and an upper roller and a lower roller which are parallel to the pressing plate, pivoted on the feeding support and rotate in the same direction, and the distance between the upper roller and the lower roller is adjustable.

Preferably, the feeding support comprises a fixed column fixedly connected with the frame and a connecting piece pivoted with the upper rolling shaft and the lower rolling shaft, and the connecting piece is connected to the fixed column in a sliding or threaded manner.

Preferably, the number of the fixing columns and the number of the connecting pieces are four, the two ends of the upper rolling shaft are correspondingly connected to the two fixing columns through the two connecting pieces, and the two ends of the lower rolling shaft are correspondingly connected to the other two fixing columns through the other two connecting pieces.

The beneficial effects of the utility model reside in that: the utility model discloses an it is discoid gyro wheel electrode to go up the electrode, the bottom electrode is the flat plate electrode, the gyro wheel electrode can remove along flat plate electrode horizontal direction, can also self rotate in horizontal migration, form special seam welding, the good electric conductivity and the follow-up nature of last electrode have been ensured, and then guarantee even and the peaceful level of solder joint, the whole strip long straight welding seam just once can weld, the shaping is pleasing to the eye, high efficiency, just can just will treat welded material area self-holding simultaneously through hold-down mechanism, guarantee the low deviation of welding seam position, the welding seam also does not have obvious arch, solve the problem that the outstanding welding seam need be polished after inhomogeneous welding in the welding is filled to traditional manual welding wire, and the problem that current seam welder can't carry out long straight welding.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to an embodiment of the present invention;

part names and serial numbers in the figure: 1-a rack 2-a flat plate electrode 3-a pressing mechanism 30-a pressing plate 31-a support frame 300-a strip-shaped through hole 4-a slide rail 40-a slide block 400-a mounting frame 401-a pressurizing cylinder 5-a servo motor 6-a roller electrode 7-a feeding device 70-a feeding support 71-an upper roller 72-a lower roller 700-a fixed column 701-a connecting piece.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in conjunction with the accompanying drawings and embodiments, which are described in a clear and complete manner. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Furthermore, directional terms as referred to in the present disclosure, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer only to the direction of the attached drawings, and directional terms used are intended to better and more clearly illustrate and understand the present invention rather than to indicate or imply the orientation the present invention must have, and therefore should not be construed as limiting the present invention.

The embodiment of the utility model is shown in fig. 1 and fig. 2, a roll welding device comprises a frame 1, the frame 1 is the same as the frame of the traditional roll welding machine, the upper and lower electrodes of roll welding and other corresponding devices are arranged on the frame, the lower part of the frame 1 is provided with a strip-shaped flat electrode 2 in the horizontal direction, the flat electrode 2 is used as the lower electrode of the roll welding device, is a strip-shaped flat electrode, the surface of the flat electrode is in a plane structure, the material belt to be welded is conveniently placed on the surface of the flat electrode, the length of the flat electrode is determined according to the width of the material belt to be welded, the width of the material belt to be welded is slightly larger than the width of the material belt to be welded, the frame 1 is fixedly connected with a pressing mechanism 3 which is positioned above the flat electrode 2 and can move up and down, after the material belt to be welded is placed on the flat electrode 2, the pressing mechanism 3 is fixed on the flat electrode 2 by moving down, the low deviation of the welding seam position is ensured, the up-and-down movement of the welding machine is realized by a motor or an air cylinder, so that the requirements of the material belts to be welded with different thicknesses can be met; the upper part of the machine frame 1 is provided with a slide rail 4 parallel to the flat plate electrode 2, the slide rail 4 is provided with a slide block 40 in a sliding way, the slide block 40 is driven by a servo motor 5 to slide on the slide rail 4, the sliding direction is along the long edge of the flat plate electrode 2, the slide block 40 can be correspondingly positioned at different positions of the flat plate electrode 2 through sliding, the servo motor 5 for driving the slide block 40 to slide is arranged at the position of the upper part of the machine frame 1 adjacent to the slide rail 4, the servo motor 5 ensures the accuracy of the moving distance, the arrangement structure is more compact and simple, the use is convenient, the slide block 40 is provided with a disc-shaped roller electrode 6 capable of moving up and down, the roller electrode 6 is positioned above the pressing mechanism 3 and can rotate around the axis, and the roller electrode 6 is served as a roll welding disc, the electrode is used as an upper electrode, the distance between the electrode and a flat electrode 2 is adjusted by moving up and down to facilitate the placement of a material belt to be welded, meanwhile, a roller electrode 6 moves horizontally along with a sliding block 40, the roller electrode 6 can rotate around the axis of the roller electrode 6, so that the roller electrode 6 can roll on the material belt to be welded during welding to realize long straight seam welding, for the movement of the roller electrode 6 on the sliding block, a mounting frame 400 which moves up and down is arranged on the sliding block 40 in a sliding way, the mounting frame 400 is fixedly connected with a pressurizing cylinder 401, the roller electrode 6 is connected with the pressurizing cylinder 401, the pressurizing cylinder 401 moves up and down along with the mounting frame 400 relative to the sliding block 40, the roller electrode 6 is connected with a piston of the pressurizing cylinder 401 and is driven by the pressurizing cylinder 401, when the roller electrode 6 is pressed on the material belt to be welded, the pressurizing cylinder 401 drives, the roller electrode 6 is ensured to be in close contact with the material belt to be welded in the rolling process, and a welding loop is formed between the roller electrode and the flat plate electrode 2; the pressing mechanism 3 comprises a strip-shaped pressing plate 30 parallel to the flat electrode 2 and a support frame 31 fixedly connected to the rack 1, the pressing plate 30 is slidably arranged on the support frame 31 in an up-and-down movement manner, and a strip-shaped through hole 300 is formed in the pressing plate 30; the roller electrode 6 moves downwards to pass through the strip-shaped through hole 300 to be electrically connected with the flat plate electrode 2, at the moment, the pressing plate 30, the sliding rail 4 and the flat plate electrode 2 are in parallel positions, the pressing plate 30 moves downwards on the supporting frame 31 to press a material strip to be welded tightly, the strip-shaped structure increases the contact area with the material strip, the material strip is fixed more firmly, the roller electrode 6 can roll on the material strip conveniently, the strip-shaped through hole 300 on the pressing plate 30 facilitates the roller electrode 6 to pass through and press against the material strip to be welded to form an upper electrode loop and a lower electrode loop with the flat plate electrode 2, for smooth welding, the horizontal moving distance of the roller electrode 6 is matched with the length of the strip-shaped through hole 300, the problem that part of the material strip cannot be welded or is welded in a leakage mode is avoided, and meanwhile, the horizontal moving distance of the roller electrode 6 can be adjusted to adapt to welding with different widths, the horizontal moving distance of the roller electrode 6 can be adjusted by adjusting the stroke of the servo motor 5. Thus, a roller electrode 6 and a plate electrode 2 which are used as an upper electrode and a lower electrode form a welding loop, a power supply adopts a medium-frequency inversion direct current resistance welding power supply, and the power supply has the functions of fault diagnosis and alarm such as current abnormality, monitoring value overrun, network voltage overrun, overheating and the like, has the power factor of up to 90 percent, outputs current in a direct current form, has the advantages of high control precision, stable output current, small inductive reactance influence, light welding transformer quality, less splashing in the welding process and the like, and has lower use cost than a power frequency alternating current power supply; then, a material belt to be welded, such as an aluminum belt, is placed on the flat plate electrode 2 below, then the aluminum belt is pressed on the flat plate electrode 2 by utilizing the downward sliding of the pressing plate 30, then the roller electrode 6 moves horizontally to a position corresponding to the upper part of the aluminum belt along with the sliding block 40, and moves downwards along with the mounting frame 400, the roller electrode 6 penetrates through the strip-shaped through hole 300 on the pressing plate 30 and is pressed against the aluminum belt, then the contact between the roller electrode 6 and the aluminum belt is enhanced by the downward pressing of the driving of the pressurizing cylinder 401, the roller electrode 6 and the flat plate electrode 2 form a welding loop, and meanwhile, as the welding seam is positioned as a section of welding seam, the roller electrode 6 rolls on the aluminum belt under the driving of the sliding block 40, the welding of the aluminum belt within the rolling distance is realized, the superposed aluminum belt after welding has no obvious protrusion, the carbon dioxide plug welding and polishing procedures are omitted, the workload and the cost are reduced, and the pollution is small; during operation, the butt joint positioning work of the material belts on the two sides is carried out manually, an operator presses an operation button after the materials are finished to realize automatic welding, the whole long straight welding line can be welded once, the forming is attractive and efficient, and the problem that the existing seam welder cannot carry out long straight welding is solved. Meanwhile, as the widths of the material belts to be welded are different, in order to meet different requirements, the length of the flat electrode 2 is larger than that of the strip-shaped through hole 300, and then the requirements are met by adjusting the length of the strip-shaped through hole 300 or the stroke of the servo motor 5, and the length of the flat electrode 2 can be set by utilizing the maximum width and the minimum width of the material belts to be welded.

In a further improvement, as shown in fig. 1 and 2, the frame 1 is further provided with a feeding device 7, the feeding device 7 includes a feeding bracket 70 fixed on the frame 1, an upper roller 71 and a lower roller 72 parallel to the pressing plate 30 and pivoted on the feeding bracket 70 in the same direction and with an adjustable distance therebetween, that is, the upper roller 71 and the lower roller 72 are both parallel to the pressing plate 30 and are respectively pivoted with the feeding bracket 70 and rotate in the same direction, that is, simultaneously rotate clockwise or counterclockwise, when in use, the tape is placed between the upper roller and the lower roller, then the distance therebetween is adjusted to clamp the tape, and then the tape is conveyed below the pressing plate 30 by the rotation of the upper roller and the lower roller relative to the feeding bracket 70. At this time, the feeding bracket 70 includes a fixing column 700 fixedly connected to the frame 1, and a connecting member 701 pivotally connected to the upper roller 71 and the lower roller 72, the connecting member 701 is slidably or threadedly connected to the fixing column 700, the fixing column 700 is fixed to the frame 1, and the position of the fixing column is fixed, the distance between the upper roller and the lower roller is adjusted by adjusting the position of the connecting member 701 on the fixing column 700, and the adjusting of the connecting member 701 is achieved by driving the connecting member to slide up and down on the fixing column 700 through an air cylinder or a motor, or the position of the connecting member 701 on the fixing column 700 is adjusted by using threaded rotation between the connecting member 701 and the fixing column 700. For structural stability, the fixed columns 700 and the connecting pieces 701 are provided with four, two ends of the upper roller 71 are correspondingly connected to two fixing posts 700 through two connecting pieces 701, two ends of the lower roller 72 are correspondingly connected to two other fixing posts 700 through two other connecting pieces 701, such a structure facilitates the arrangement of the upper and lower rollers and the rotation of the upper and lower rollers relative to the connecting member 701, at this time, the four fixing posts 700 are arranged at four vertex angles of a quadrangle, the upper and lower rollers are arranged on the fixing posts 700 at two opposite sides, then, the connecting member 701 connected to the upper roller 71 passes over the upper platen 30 and extends to the upper side of the lower roller 72 such that the upper roller 71 is positioned right above the lower roller 72, the four fixing posts 700 may be arranged on the same line, the straight line is parallel to the pressing plate 30, and the four fixing posts 700 are arranged at intervals, so that the upper and lower rollers can be correspondingly arranged on the two outer fixing posts 700 and the two middle fixing posts 700.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A roll welding device is characterized in that: the device comprises a frame, wherein a strip-shaped flat electrode in the horizontal direction is arranged at the lower part of the frame, and the frame is fixedly connected with a pressing mechanism which is arranged above the flat electrode and can move up and down; the upper part of the rack is provided with a slide rail parallel to the flat plate electrode, the slide rail is provided with a slide block which is driven by a servo motor in a sliding way, the slide block is provided with a disc-shaped roller electrode which can move up and down, and the roller electrode is positioned above the pressing mechanism and can rotate around the axis; the pressing mechanism comprises a strip-shaped pressing plate parallel to the flat electrode and a support frame fixedly connected to the rack, the pressing plate is slidably arranged on the support frame in an up-and-down moving manner, and a strip-shaped through hole is formed in the pressing plate; the roller electrode moves downwards to penetrate through the strip-shaped through hole to be electrically connected with the flat plate electrode.

2. The roll welding device according to claim 1, wherein a mounting frame capable of moving up and down is arranged on the sliding block in a sliding mode, a pressurizing cylinder is fixedly connected to the mounting frame, and the roller electrode is connected with the pressurizing cylinder.

3. The roll welding device according to claim 1, wherein the servo motor is arranged at the position adjacent to the slide rail at the upper part of the rack.

4. The roll welding device according to claim 1, wherein the roller electrode is horizontally moved by a distance matching the length of the strip-shaped through hole.

5. The roll welding device according to claim 1, wherein the frame is further provided with a feeding device, and the feeding device comprises a feeding support fixed on the frame, and an upper roller and a lower roller which are parallel to the pressing plate, pivoted on the feeding support and rotate in the same direction, and the distance between the upper roller and the lower roller is adjustable.

6. The roll welding device according to claim 5, wherein the feeding support comprises a fixing column fixedly connected with the frame and a connecting piece pivoted with the upper roller and the lower roller, and the connecting piece is connected to the fixing column in a sliding or threaded mode.

7. The roll welding device according to claim 6, wherein four fixing columns and four connecting pieces are arranged, two ends of the upper roller are correspondingly connected to the two fixing columns through two connecting pieces, and two ends of the lower roller are correspondingly connected to the other two fixing columns through the other two connecting pieces.