CN110712039B - Automatic feeding forming laser spot welder - Google Patents
Automatic feeding forming laser spot welder Download PDFInfo
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- CN110712039B CN110712039B CN201911012843.2A CN201911012843A CN110712039B CN 110712039 B CN110712039 B CN 110712039B CN 201911012843 A CN201911012843 A CN 201911012843A CN 110712039 B CN110712039 B CN 110712039B
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- 239000000463 material Substances 0.000 claims abstract description 71
- 238000000465 moulding Methods 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims abstract description 37
- 238000003466 welding Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims description 105
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241001122767 Theaceae Species 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
An automatic feeding and forming laser spot welding machine comprises a material taking and feeding device, a pushing device, a sheet bending device, an adjustable sleeve molding device, a welding head and a frame. The material taking and feeding device, the pushing device and the welding head are all fixed on the frame, the pushing device is in sliding connection with the sheet bending device, the sheet bending device is connected with the adjustable sleeve molding device, the sheet bending device is respectively arranged on the left side, the right side and the lower side of the adjustable sleeve molding device, the material taking and feeding device is arranged in front of the adjustable sleeve molding device and the sheet bending device, and the welding head is arranged above the adjustable sleeve molding device. According to the invention, through the cooperation of the devices, the function of welding the sheet into the sleeve is finally realized, compared with the prior art, the suction disc material taking mode can not damage the sheet, the sheet can not rotate and deviate during welding, in addition, the machine can process the sleeves with different diameters under the condition of not replacing accessories, and the working efficiency is improved.
Description
Technical Field
The invention relates to a laser spot welder, in particular to an automatic feeding forming laser spot welder, and belongs to the field of mechanical equipment.
Background
At present, a welding mode of tea leakage is generally to push a sheet to a welding position by a material taking device of a spot welding machine, then bend the sheet to form a cylindrical structure by a bending device, and finish spot welding work by a welding head, however, the material taking device on the market has the problems that the material taking process is complicated, the sheet is easy to deviate from a position during welding, corresponding accessories of machines need to be replaced for producing sleeves with different diameters and the like due to imperfect design, the whole working efficiency is low, and economic benefit is checked.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the automatic feeding forming laser spot welder with a simple structure.
In order to achieve the above purpose, the invention adopts the following technical scheme: an automatic feeding and forming laser spot welding machine comprises a material taking and feeding device, a pushing device, a sheet bending device, an adjustable sleeve molding device, a welding head and a frame. The material taking and feeding device, the pushing device and the welding head are all fixed on the frame, the pushing device is in sliding connection with the sheet bending device, the sheet bending device is connected with the adjustable sleeve molding device, the sheet bending device is respectively arranged on the left side, the right side and the lower side of the adjustable sleeve molding device, the material taking and feeding device is arranged in front of the adjustable sleeve molding device and the sheet bending device, and the welding head is arranged above the adjustable sleeve molding device.
Preferably, the material taking and feeding device comprises a material supporting mechanism, a sucker material taking mechanism, a feeding mechanism and a sheet positioning mechanism. The material supporting mechanism, the sucker material taking mechanism, the feeding mechanism and the sheet positioning mechanism are arranged on the frame, the material supporting mechanism and the sheet positioning mechanism are respectively positioned on the left side and the right side of the frame, the material supporting mechanism is arranged below the sucker material taking mechanism, and the sucker material taking mechanism is connected with the feeding mechanism.
Preferably, the device also comprises an adjustable limiting mechanism, wherein the adjustable limiting mechanism is arranged around the material supporting device and is contacted with the edge of the sheet material placed on the material supporting mechanism.
Preferably, the adjustable limiting mechanism is an adjustable limiting rod, and the adjustable limiting rod is fixed on the frame through a bolt.
Preferably, the material supporting mechanism comprises a connecting rod and a material supporting plate. The material supporting plate is fixed on the connecting rod, the connecting rod is connected with the frame, and the sheet material is arranged on the material supporting plate.
Preferably, the sucking disc extracting mechanism include extracting cylinder, support, horizontal pole, sucking disc mounting panel, sucking disc cavity mounting and sucking disc. The material taking cylinder is connected with the bracket, the cylinder shaft of the material taking cylinder is connected with one end of the cross rod, the other end of the cross rod is connected with the sucker mounting plate, the sucker hollow fixing piece is arranged below the sucker mounting plate, and the sucker is connected with the sucker hollow fixing piece.
Preferably, the material taking cylinder is a three-rod cylinder.
Preferably, the feeding mechanism comprises a sliding seat, a sliding rail and a pushing cylinder. The sliding rail and the pushing cylinder are fixed on the frame, the sliding seat is in sliding connection with the sliding rail, the cylinder shaft of the pushing cylinder is connected with the bracket, and the bracket is fixed on the sliding seat.
Preferably, the sheet positioning mechanism comprises a support rod, a support panel and an adjustable positioning piece. The support rod is fixed on the frame, the support panel is connected with the support rod, and the adjustable positioning piece is arranged on the support panel and encloses the shape identical to the size of the sheet.
Preferably, the inner side edge of the adjustable positioning piece is provided with a chamfer.
Preferably, the device further comprises a drag chain, wherein the tail end of the drag chain is arranged on the frame.
Preferably, the pushing device comprises a pushing motor, a motor bracket, a pushing ball screw, a supporting seat, a nut seat connector, a sliding block and a guide rail. The pushing motor is fixed on the frame through the motor bracket, one end of the pushing ball screw is connected with the pushing motor, the other end of the pushing ball screw is connected with the supporting seat, the supporting seat is fixed on the frame, the guide rails are respectively arranged on two sides of the pushing ball screw, the guide rails are fixed on the frame, the sheet bending device is in sliding connection with the guide rails through the sliding blocks, and the sheet bending device is connected with the pushing ball screw through the nut seat connector.
Preferably, buffer blocks are arranged at the front end and the rear end of the guide rail, and the buffer blocks are fixed on the frame.
Preferably, the sheet bending device comprises a horizontal clamping mechanism and a longitudinal rolling mechanism. The horizontal clamping mechanisms are respectively arranged at the left side and the right side of the adjustable sleeve molding device, and the longitudinal rolling mechanism is arranged below the adjustable sleeve molding device.
Preferably, the horizontal clamping mechanism comprises a horizontal pushing cylinder, a cylinder support, an upper clamping die and an air inlet die connecting block, wherein the cylinder support is respectively arranged on the left side and the right side of the adjustable sleeve molding device, the horizontal pushing cylinder is fixed on the cylinder support, a cylinder shaft of the horizontal pushing cylinder is connected with the air inlet die connecting block, the upper clamping die is connected with the air inlet die connecting block, and the edge of the upper clamping die is provided with an arc surface which can be tangent with the adjustable sleeve molding device.
Preferably, the transverse pushing cylinder is a double-rod cylinder, and the upper clamping die is an adjustable upper clamping die.
Preferably, a blowing hole is arranged on the inner side of the upper clamping die.
Preferably, the longitudinal rolling mechanism comprises a lifting cylinder, a fixing plate, a connecting frame, a lower die bottom plate and an adjustable lower adjusting die, wherein the connecting frame is connected with the adjustable sleeve molding device, the fixing plate is fixed below the connecting frame, the lifting cylinder is fixed below the fixing plate, a cylinder shaft of the lifting cylinder penetrates through the fixing plate to be connected with the lower die bottom plate, the adjustable lower adjusting die is fixed above the lower die bottom plate, and the adjustable lower adjusting die is provided with an arc surface which can be tangent with the adjustable sleeve molding device.
Preferably, the longitudinal rolling mechanism further comprises longitudinal guide rods, the longitudinal guide rods are respectively arranged at the left side and the right side of the lifting cylinder, the longitudinal guide rods penetrate through the fixing plate, and one end of each longitudinal guide rod is connected with the lower die bottom plate.
Preferably, the adjustable lower adjusting die further comprises a rubber strip, the upper ends of the two sides of the adjustable lower adjusting die are provided with notches, and the rubber strip is arranged in the notches.
Preferably, the adjustable sleeve molding device comprises a middle inner die, a left inner die, a right inner die, a die mounting plate and an elastic adjusting mechanism. The middle part centre form fix on the mould mounting panel, the centre form open and have the opening, elastic adjustment mechanism arrange in the opening of middle part centre form in, and be connected with the mould mounting panel, elastic adjustment mechanism's upper and lower both sides contact with the face of middle part centre form opening, elastic adjustment mechanism's left and right sides contacts with the medial surface of controlling the centre form respectively, the mould mounting panel open and have the notch, control the centre form all with the notch sliding connection of mould mounting panel, and be connected with the left and right ends of middle part centre form respectively, the soldered connection setting is directly over the centre form.
Preferably, the elastic adjusting mechanism comprises an adjusting block, a spring and a locking bolt, wherein the left side and the right side of the adjusting block are respectively contacted with the left internal mold and the right internal mold, the upper side and the lower side are contacted with the middle internal mold, a hole is formed in the middle of the adjusting block, the spring penetrates through the hole and is fixedly connected with the adjusting block, one end of the spring is connected with the middle internal mold, and the locking bolt penetrates through the spring and is connected with the mold mounting plate.
Preferably, the adjusting block is a trapezoid adjusting block.
Preferably, the die further comprises a locking block, a fixing bolt and a shaft shoulder bolt, wherein the locking block is in sliding connection with the die mounting plate, the left inner die and the right inner die are fixed on the locking block through the fixing bolt, the shaft shoulder bolt penetrates through the left inner die and the right inner die to be connected with the middle inner die, and the left inner die and the right inner die are in sliding connection with the shaft shoulder bolt.
Preferably, the upper side and the lower side of the middle internal mold are provided with notches.
Preferably, the device further comprises a pushing mechanism arranged at the rear of the adjustable sleeve molding device, the pushing mechanism comprises a pushing cylinder, a guide rod mounting plate, a guide rod and a pushing plate, the pushing cylinder is fixed on the connecting frame, the guide rod mounting plate is connected with a cylinder shaft of the pushing cylinder, one end of the guide rod is connected with the guide rod mounting plate, the other end of the guide rod is connected with the pushing plate, and the pushing plate penetrates through a notch of the middle inner die.
According to the invention, through the cooperation among the devices, the functions of taking and feeding the sheet, bending and welding the sheet into the sleeve are finally realized, compared with the prior art, the taking mode of sucking the sheet by the sucking disc does not damage the sheet, the sheet does not rotate and deviate during welding, and the welding precision is higher.
Drawings
Fig. 1 is a schematic diagram of the whole machine of the present invention.
Fig. 2 is an assembled schematic view of the take-off and feed device.
Fig. 3 is a schematic side view of fig. 2.
Fig. 4 is a schematic structural view of a suction cup take off mechanism.
Fig. 5 is a schematic structural view of the sheet positioning device.
Fig. 6 is a perspective view of an adjustable stop lever.
FIG. 7 is a schematic illustration of the connection of the suction cup hollow fixture to the suction cup.
Fig. 8 is a schematic view of the structure of the sheet bending apparatus and the adjustable sleeve molding apparatus.
Fig. 9 is an assembled schematic view of a sheet bending apparatus and a tunable sleeve molding apparatus.
Fig. 10 is a front view of fig. 8.
Fig. 11 is a top view of fig. 8.
Figure 12 is a schematic illustration of the attachment of the guide rod to the push plate.
FIG. 13 is a schematic diagram of the connection of the lower die bottom plate to the adjustable lower adjustment die.
Fig. 14 is a schematic view of an adjustable upper clamping die.
Fig. 15 is a left side view of fig. 14.
Fig. 16 is a schematic diagram of an adjustable lower adjustment die.
FIG. 17 is a schematic view of the structure of the elastic adjusting structure and the left and right inner molds.
Fig. 18 is a schematic structural view of the middle inner mold.
Fig. 19 is a schematic view of the structure of the left and right inner molds.
Fig. 20 is a schematic illustration of the connection of the pusher and the sheet bending device.
Fig. 21 is a schematic view of the structure of the pushing device.
In the figure, a 1-rack; 2-an adjustable stop lever; 3-connecting rods; 4-a material supporting plate; 5-three-rod air cylinder; 6-a bracket; 7-a cross bar; 8-sucking disc mounting plate; 9-sucking disc hollow fixing piece; 10-sucking discs; 11-a slide; 12-sliding rails; 13-pushing cylinder; 14-supporting rods; 15-supporting a panel; 16-an adjustable positioning member; 17-drag chain; 18-sheet material; 19-a double-rod cylinder; 20-cylinder bracket; 21-adjustable upper clamping die; 22-lifting cylinder; 23-fixing plates; 24-lower die bottom plate; 25-adjustable lower adjusting die; 26-longitudinal guide bar; 27-a pushing cylinder; 28-a guide rod mounting plate; 29-a guide rod; 30-pushing plate; 31-an air inlet die connecting block; 32-adhesive tape; 33-middle internal mold; 34-left and right internal molds; 35-a trapezoid adjusting block; 36-a spring; 37-locking bolt; 38-fixing bolts; 39-locking piece; 40-shaft shoulder bolts; 41-a die mounting plate; 42-connecting frames; 43-welding head; 44-a push motor; 45-motor bracket; 46-pushing a ball screw; 47-a supporting seat; 48-nut mount connector; 49-slide block; 50-a guide rail; 51-buffer block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-21: an automatic feeding and forming laser spot welding machine comprises a material taking and feeding device, a pushing device, a sheet bending device, an adjustable sleeve molding device, a welding head 43 and a frame 1. The material taking and feeding device, the pushing device and the welding head 43 are all fixed on the frame 1, the pushing device is in sliding connection with the sheet bending device, the sheet bending device is connected with the adjustable sleeve molding device, the sheet bending device is respectively arranged on the left side, the right side and the lower side of the adjustable sleeve molding device, the material taking and feeding device is arranged in front of the adjustable sleeve molding device and the sheet bending device, and the welding head 43 is arranged above the adjustable sleeve molding device. The material taking and feeding device comprises a material supporting mechanism, a sucker material taking mechanism, a feeding mechanism and a sheet positioning mechanism, wherein the material supporting mechanism, the sucker material taking mechanism, the feeding mechanism and the sheet positioning mechanism are arranged on a frame, the material supporting mechanism and the sheet positioning mechanism are respectively positioned on the left side and the right side of the frame 1, the material supporting mechanism is arranged below the sucker material taking mechanism, and the sucker material taking mechanism is connected with the feeding mechanism. The adjustable limiting mechanism is an adjustable limiting rod 2, is fixed on the frame 1 through bolts and is arranged around the material supporting device, and is contacted with the edge of the sheet 18 placed on the material supporting mechanism. The material supporting mechanism comprises a connecting rod 3 and a material supporting plate 4, the material supporting plate 4 is fixed on the connecting rod 3, the connecting rod 3 is connected with the frame 1, and the sheet 18 is arranged on the material supporting plate 4. the sucking disc extracting mechanism include three pole cylinders 5, support 6, horizontal pole 7, sucking disc mounting panel 8, sucking disc cavity mounting 9 and sucking disc 10, three pole cylinders 5 be connected with support 6, its cylinder axis is connected with the one end of horizontal pole 7, the other end of horizontal pole 7 is connected with sucking disc mounting panel 8, sucking disc cavity mounting 9 sets up in the below of sucking disc mounting panel 8, sucking disc 10 is connected with sucking disc cavity mounting 9. The feeding mechanism comprises a sliding seat 11, a sliding rail 12 and a pushing air cylinder 13, wherein the sliding rail 12 and the pushing air cylinder 13 are fixed on the frame 1, the sliding seat 11 is in sliding connection with the sliding rail 12, an air cylinder shaft of the pushing air cylinder 13 is connected with a bracket 6, and the bracket 6 is fixed on the sliding seat 11. The sheet positioning mechanism comprises a supporting rod 14, a supporting panel 15 and an adjustable positioning piece 16, wherein the supporting rod 14 is fixed on a frame, the supporting panel 15 is connected with the supporting rod 14, the adjustable positioning piece 16 is arranged on the supporting panel 15 and surrounds the same shape as the sheet 18 in size, and a chamfer is arranged at the edge of the inner side of the adjustable positioning piece 16. The suction cup feeding device further comprises a drag chain 17, wherein the tail end of the drag chain 17 is arranged on the frame 1, the drag chain 17 is used for placing an air pipe and an electric wire, and when the suction cup feeding device is in the pushing process, the drag chain 17 can be gradually paved forwards along the advancing direction, so that the suction cup feeding device is prevented from running. The pushing device comprises a pushing motor 44, a motor bracket 45, a pushing ball screw 46, a supporting seat 47, a nut seat connector 48, a sliding block 49 and a guide rail 50. The pushing motor 44 is fixed on the frame 1 through the motor bracket 45, one end of the pushing ball screw 46 is connected with the pushing motor 44, the other end of the pushing ball screw 46 is connected with the supporting seat 47, the supporting seat 47 is fixed on the frame 1, the guide rails 50 are respectively arranged on two sides of the pushing ball screw 46, the guide rails 50 are fixed on the frame 1, the sheet bending device is in sliding connection with the guide rails 50 through the sliding blocks 49, the sheet bending device is connected with the pushing ball screw 46 through the nut seat connector 48, buffer blocks 51 are respectively arranged at the front end and the rear end of the guide rails 50, and the buffer blocks 51 are fixed on the frame 1. The sheet bending device comprises a horizontal clamping mechanism and a longitudinal rolling mechanism. The horizontal clamping mechanisms are respectively arranged at the left side and the right side of the adjustable sleeve molding device, and the longitudinal rolling mechanism is arranged below the adjustable sleeve molding device. The horizontal clamping mechanism comprises a double-rod air cylinder 19, an air cylinder support 20, an upper clamping die 21 and an air inlet die connecting block 31, wherein the air cylinder support 20 is respectively arranged on the left side and the right side of the adjustable sleeve molding device, the double-rod air cylinder 19 is fixed on the air cylinder support 20, an air cylinder shaft of the double-rod air cylinder is connected with the air inlet die connecting block 31, the upper clamping die 21 is connected with the air inlet die connecting block 31, the edge of the upper clamping die 21 is provided with an arc surface which can be tangent with the adjustable sleeve molding device, and the inner side of the adjustable upper clamping die 21 is provided with a blowing hole. the vertical rounding mechanism comprises a lifting cylinder 22, a fixed plate 23, a connecting frame 42, a lower die bottom plate 24 and an adjustable lower adjusting die 25, wherein the connecting frame 42 is connected with an adjustable sleeve molding device, the fixed plate 23 is fixed below the connecting frame 42, the lifting cylinder 22 is fixed below the fixed plate 23, a cylinder shaft of the lifting cylinder penetrates through the fixed plate 23 to be connected with the lower die bottom plate 24, the adjustable lower adjusting die 25 is fixed above the lower die bottom plate 24, and the adjustable lower adjusting die 25 is provided with an arc surface which can be tangent with the adjustable sleeve molding device. The longitudinal rounding mechanism further comprises longitudinal guide rods 26, the longitudinal guide rods 26 are respectively arranged at the left side and the right side of the lifting cylinder 22, the longitudinal guide rods 26 penetrate through the fixing plate 23, and one end of each longitudinal guide rod 26 is connected with the lower die bottom plate 24. The adjustable lower adjusting die 25 further comprises a rubber strip 32, the upper ends of the two sides of the adjustable lower adjusting die 25 are provided with notches, and the rubber strip 32 is arranged in the notches. The adjustable sleeve molding device comprises a middle internal mold 33, a left internal mold 34, a right internal mold 34, a mold mounting plate 41 and an elastic adjusting mechanism, wherein the middle internal mold 33 is fixed on the mold mounting plate 41, the middle internal mold 33 is provided with a notch, the elastic adjusting mechanism is arranged in the notch of the middle internal mold 33 and is connected with the mold mounting plate 41, the upper side and the lower side of the elastic adjusting mechanism are contacted with the surface of the notch of the middle internal mold 33, the left side and the right side of the elastic adjusting mechanism are respectively contacted with the inner side surfaces of the left internal mold 34, the mold mounting plate 41 is provided with a notch, the left internal mold 34 and the right internal mold 34 are both connected with the notch of the mold mounting plate 41 in a sliding way, And are respectively connected with the left and right ends of the middle internal mold 33, and the welding head is arranged right above the middle internal mold 33. The elastic adjusting mechanism comprises a trapezoid adjusting block 35, a spring 36 and a locking bolt 37, wherein the left side and the right side of the trapezoid adjusting block 35 are respectively contacted with the left internal mold 34 and the right internal mold 34, the upper side and the lower side are contacted with the middle internal mold 33, a hole is formed in the middle of the trapezoid adjusting block 35, the spring 36 penetrates through the hole and is fixedly connected with the trapezoid adjusting block 35, one end of the spring 36 is connected with the middle internal mold 33, and the locking bolt 37 penetrates through the spring 36 and is connected with a mold mounting plate 41. The left and right inner molds 34 are fixed on the locking blocks 39 through the fixing bolts 38, the shoulder bolts 40 penetrate through the left and right inner molds 34 to be connected with the middle inner mold 33, and the left and right inner molds 34 are connected with the shoulder bolts 40 in a sliding mode. The device is characterized by further comprising a pushing mechanism arranged behind the adjustable sleeve molding device, wherein the pushing mechanism comprises a pushing cylinder 27, a guide rod mounting plate 28, a guide rod 29 and a pushing plate 30, the pushing cylinder 27 is fixed on a connecting frame 42, the guide rod mounting plate 28 is connected with a cylinder shaft of the pushing cylinder 27, one end of the guide rod 29 is connected with the guide rod mounting plate 28, the other end of the guide rod 29 is connected with the pushing plate 30, notches are formed in the upper side and the lower side of the middle inner die 33, and the pushing plate 30 penetrates through the notch of the middle inner die 33.
Before the machine is opened, the positions of the adjustable limiting rod and the adjustable positioning piece are adjusted according to the size of the sheet to be conveyed, the positions of the adjustable upper clamping die and the adjustable lower adjusting die are adjusted, when the machine is opened, the three-rod air cylinder acts to drive the sucker to move downwards, the sheet placed on the material supporting plate is sucked through the sucker (the sheet can be prevented from being deviated when contacting the sucker through the adjustable limiting rod, the precision of the subsequent throwing position is affected), at the moment, the three-rod air cylinder resets to drive the sheet to move upwards, then the air cylinder is pushed to act to drive the sliding seat, the material taking device and the sheet to move towards the direction of the positioning device, when the sheet moves to the position right above the supporting panel (namely, the position surrounded by the adjustable positioning piece) is ventilated to the sucker hollow fixing piece through an air pipe (the sucker hollow fixing piece is in a hollow shape), so that the sheet falls onto the supporting panel, and the purpose of accurate positioning is realized by the adjustable positioning piece (the chamfer on the positioning piece can prevent the sheet from being blocked on the positioning piece after throwing, and the precision of the sheet is improved). Then the pushing device acts, the sheet bending device and the adjustable sleeve molding device are pushed to the sheet direction by the pushing motor, the material taking mechanism is reset, when the sheet is positioned between the longitudinal rolling mechanism and the adjustable sleeve molding device, the lifting cylinder acts to drive the adjustable lower adjusting die to move upwards, the arc surface of the adjustable lower adjusting die presses the sheet on the left inner die and the right inner die of the adjustable sleeve molding device, the sheet is preliminarily rolled (the rubber strip arranged in the notch of the adjustable lower adjusting die can prevent the sheet from being scratched when being pressed), at the moment, the left inner die and the right inner die move towards the middle inner die, the left inner die and the right inner die are respectively contacted with the left side surface and the right side surface of the trapezoidal adjusting block, the trapezoidal adjusting block is gradually pushed outwards (the trapezoidal adjusting block is fixedly connected with the spring, and the spring shows a stretching state), ensuring that the adjustable lower adjusting die can be attached to the left and right inner dies, (an adjustable sleeve molding device can automatically adjust the diameter of a processed sleeve according to the adjustable lower adjusting die which is adjusted in advance), then a transverse pushing cylinder on the left side and the right side acts to push the adjustable upper clamping dies on the two sides to move towards the adjustable sleeve molding device, the two ends of a rolled sheet are pressed by the arc surfaces of the adjustable upper clamping dies, then the pushing device drives the sheet bending device and the adjustable sleeve molding device to reset, when the sheet passes through a welding head, the welding head performs spot welding work to weld the sheet into a sleeve, meanwhile, a blowing hole of the adjustable upper clamping dies blows towards the sheet to prevent welding seam from changing color, after the welding work is finished, the horizontal clamping device and the longitudinal rolling device are reset in sequence, when the adjustable lower adjusting die is retracted, a spring is restored to pull a trapezoid adjusting block to move inwards, the trapezoidal regulating block pushes the left and right internal molds to move to the left and right ends respectively and reset (slide on the smooth surface of the shoulder bolt and the fixed plate). After the reset actions of all the devices are completed, the pushing cylinder acts to drive the pushing plate to slide on the notch of the middle internal mold, and the welded sleeve is pushed out (because the sheet material is an elastic sheet, if the out-of-round condition occurs in the clamping process, the device can automatically restore to be round after the reset of the longitudinal rolling mechanism).
Claims (6)
1. An automatic feeding forming laser spot welder, which is characterized in that: the device comprises a material taking and feeding device, a pushing device, a sheet bending device, an adjustable sleeve molding device, a welding head and a frame, wherein the material taking and feeding device, the pushing device and the welding head are all fixed on the frame, the pushing device is in sliding connection with the sheet bending device, the sheet bending device is connected with the adjustable sleeve molding device, the sheet bending device is respectively arranged at the left side, the right side and the lower side of the adjustable sleeve molding device, the material taking and feeding device is arranged in front of the adjustable sleeve molding device and the sheet bending device, and the welding head is arranged above the adjustable sleeve molding device; the sheet bending device comprises a horizontal clamping mechanism and a longitudinal rolling mechanism, wherein the horizontal clamping mechanism is respectively arranged at the left side and the right side of the adjustable sleeve molding device, and the longitudinal rolling mechanism is arranged below the adjustable sleeve molding device; the horizontal clamping mechanism comprises a horizontal pushing cylinder, a cylinder bracket, an upper clamping die and an air inlet die connecting block, wherein the cylinder bracket is respectively arranged at the left side and the right side of the adjustable sleeve molding device; the vertical rounding mechanism comprises an ascending cylinder, a fixed plate, a connecting frame, a lower die bottom plate and an adjustable lower adjusting die, wherein the connecting frame is connected with the adjustable sleeve molding device; the adjustable sleeve molding device comprises a middle inner die, a left inner die, a right inner die, a die mounting plate and an elastic adjusting mechanism, wherein the middle inner die is fixed on the die mounting plate, a notch is formed in the middle inner die, the elastic adjusting mechanism is arranged in the notch of the middle inner die and is connected with the die mounting plate, the upper side and the lower side of the elastic adjusting mechanism are contacted with the surfaces of the notch of the middle inner die, the left side and the right side of the elastic adjusting mechanism are respectively contacted with the inner side surfaces of the left inner die and the right inner die, the die mounting plate is provided with a notch, the left inner die and the right inner die are both in sliding connection with the notch of the die mounting plate and are respectively connected with the left end and the right end of the middle inner die, and a welding head is arranged right above the middle inner die; the elastic adjusting mechanism comprises an adjusting block, a spring and a locking bolt, wherein the left side and the right side of the adjusting block are respectively contacted with the left internal mold and the right internal mold, the upper side and the lower side are contacted with the middle internal mold, a hole is formed in the middle of the adjusting block, the spring penetrates through the hole and is fixedly connected with the adjusting block, one end of the spring is connected with the middle internal mold, and the locking bolt penetrates through the spring and is connected with the mold mounting plate.
2. An autoloading forming laser spot welder as defined in claim 1, wherein: the material taking and feeding device comprises a material supporting mechanism, a sucker material taking mechanism, a feeding mechanism and a sheet positioning mechanism, wherein the material supporting mechanism, the sucker material taking mechanism, the feeding mechanism and the sheet positioning mechanism are arranged on a frame, the material supporting mechanism and the sheet positioning mechanism are respectively positioned on the left side and the right side of the frame, the material supporting mechanism is arranged below the sucker material taking mechanism, and the sucker material taking mechanism is connected with the feeding mechanism.
3. An autoloading forming laser spot welder as defined in claim 2, wherein: the material supporting mechanism comprises a connecting rod and a material supporting plate, the material supporting plate is fixed on the connecting rod, the connecting rod is connected with the frame, and the sheet material is arranged on the material supporting plate; the sucking disc taking mechanism comprises a taking cylinder, a bracket, a cross rod, a sucking disc mounting plate, a sucking disc hollow fixing piece and a sucking disc, wherein the taking cylinder is connected with the bracket, a cylinder shaft of the taking cylinder is connected with one end of the cross rod, the other end of the cross rod is connected with the sucking disc mounting plate, the sucking disc hollow fixing piece is arranged below the sucking disc mounting plate, and the sucking disc is connected with the sucking disc hollow fixing piece; the feeding mechanism comprises a sliding seat, a sliding rail and a pushing cylinder, wherein the sliding rail and the pushing cylinder are fixed on the frame, the sliding seat is in sliding connection with the sliding rail, a cylinder shaft of the pushing cylinder is connected with a bracket, and the bracket is fixed on the sliding seat; the sheet positioning mechanism comprises a supporting rod, a supporting panel and an adjustable positioning piece, wherein the supporting rod is fixed on the frame, the supporting panel is connected with the supporting rod, and the adjustable positioning piece is arranged on the supporting panel and encloses the same shape as the sheet in size.
4. An autoloading forming laser spot welder as defined in claim 1, wherein: the pushing device comprises a pushing motor, a motor support, pushing ball screws, supporting seats, nut seat connectors, sliding blocks and guide rails, wherein the pushing motor is fixed on a frame through the motor support, one end of each pushing ball screw is connected with the pushing motor, the other end of each pushing ball screw is connected with the supporting seat, the supporting seats are fixed on the frame, the guide rails are respectively arranged on two sides of each pushing ball screw, the guide rails are fixed on the frame, the sheet bending device is connected with the corresponding guide rails through the sliding blocks, and the sheet bending device is connected with the corresponding pushing ball screws through the nut seat connectors.
5. An autoloading forming laser spot welder as defined in claim 1, wherein: the novel mold comprises a mold mounting plate, and is characterized by further comprising a locking block, a fixing bolt and a shaft shoulder bolt, wherein the locking block is in sliding connection with the mold mounting plate, the left inner mold and the right inner mold are fixed on the locking block through the fixing bolt, the shaft shoulder bolt penetrates through the left inner mold and the right inner mold to be connected with the middle inner mold, and the left inner mold and the right inner mold are in sliding connection with the shaft shoulder bolt.
6. An autoloading forming laser spot welder as defined in claim 1, wherein: the device is characterized by further comprising a pushing mechanism arranged at the rear of the adjustable sleeve molding device, the pushing mechanism comprises a pushing cylinder, a guide rod mounting plate, a guide rod and a pushing plate, the pushing cylinder is fixed on the sheet bending device, the guide rod mounting plate is connected with a cylinder shaft of the pushing cylinder, one end of the guide rod is connected with the guide rod mounting plate, the other end of the guide rod is connected with the pushing plate, notches are formed in the upper side and the lower side of the adjustable sleeve molding device, and the pushing plate penetrates through the notches of the adjustable sleeve molding device.
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| CN201911012843.2A CN110712039B (en) | 2019-10-23 | 2019-10-23 | Automatic feeding forming laser spot welder |
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| CN201911012843.2A CN110712039B (en) | 2019-10-23 | 2019-10-23 | Automatic feeding forming laser spot welder |
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| CN110712039B true CN110712039B (en) | 2024-07-09 |
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| CN111360956B (en) * | 2020-04-08 | 2021-10-08 | 中品智能机械有限公司 | Automatic woodworking machine tool |
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| CN102489559A (en) * | 2011-12-02 | 2012-06-13 | 威海华东重工有限公司 | Plate rolling mould of press |
| CN106975924A (en) * | 2017-03-30 | 2017-07-25 | 深圳大学 | A kind of motor directly stretches casing edge rolling and welding equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2719185B2 (en) * | 1989-04-13 | 1998-02-25 | 株式会社アマダ | Bending welding combined equipment |
| CN108555597B (en) * | 2018-04-02 | 2024-03-22 | 苏州迅镭激光科技有限公司 | Automatic integrative equipment of welding of bending of square casing |
| CN110355568A (en) * | 2019-07-25 | 2019-10-22 | 杜宗英 | Chimney is welded automation integrated equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489559A (en) * | 2011-12-02 | 2012-06-13 | 威海华东重工有限公司 | Plate rolling mould of press |
| CN106975924A (en) * | 2017-03-30 | 2017-07-25 | 深圳大学 | A kind of motor directly stretches casing edge rolling and welding equipment |
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