CN110340507B - Butt welding machine and welding method thereof - Google Patents
Butt welding machine and welding method thereof Download PDFInfo
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- CN110340507B CN110340507B CN201910680139.8A CN201910680139A CN110340507B CN 110340507 B CN110340507 B CN 110340507B CN 201910680139 A CN201910680139 A CN 201910680139A CN 110340507 B CN110340507 B CN 110340507B
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- 238000003466 welding Methods 0.000 title claims abstract description 218
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 53
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 14
- 238000007906 compression Methods 0.000 description 14
- 230000002787 reinforcement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/02—Pressure butt welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a butt-joint machine and a welding method thereof, wherein the butt-joint machine comprises a welding machine body, a workbench, a workpiece positioning device, a push-pull mechanism, a lower welding electrode, a support frame and a plurality of welding heads, wherein the workbench is fixed on the front side surface of the welding machine body, the workpiece positioning device is arranged on the upper part of the workbench, the lower welding electrode is fixed on the workbench, the push-pull mechanism is arranged on the workbench and is positioned between the welding machine body and the workpiece positioning device, the support frame is fixedly arranged on the front side surface of the welding machine body and is positioned above the workpiece positioning device, the welding heads are arranged on the support frame in a lifting manner, each welding head is electrically connected with a welding transformer in the welding machine body, the bottom end of each welding head is provided with an upper welding electrode, and the positions of the upper welding electrode and the lower welding electrode correspond to each other for clamping a welding workpiece. The butt-welding machine can rapidly and conveniently complete the welding process, realize automatic welding, ensure the welding quality and improve the welding efficiency.
Description
Technical Field
The invention relates to the technical field of metal welding equipment, in particular to a butt-joint machine and a welding method thereof.
Background
Referring to fig. 1, in the production process of the metal shelf, a frame 20 needs to be welded at the peripheral edge of the metal panel 10, as a partition board of the shelf, two reinforcing strips 30 need to be welded on the metal panel 10 in order to strengthen the supporting strength of the metal panel 10, the cross section of each reinforcing strip 30 is in a shape of a Chinese character 'ji', the reinforcing strips 30 are close to the frame 20, the edges at two sides of each reinforcing strip 30 are welded with the metal panel 10, and the welding process can be completed by adopting a butt welding machine, which is a common welding device in the field of welding product processing. In practice, the work principle of the seam welder is to make an arc between two welding electrodes (typically an upper welding electrode and a lower welding electrode) by bringing them close together, so that an article to be welded, which is fixed between the two welding electrodes, can be welded. The conventional butt-welding machines are designed according to the structural characteristics of the workpieces to be welded, and are not suitable for the welding of the strip 30 and the metal panel 10 in the present invention, so that it is necessary to newly develop a new butt-welding machine to complete the welding of the workpieces in the present invention.
Disclosure of Invention
In view of the above, the invention provides a butt-welding machine, which can rapidly and conveniently complete the welding process, realize automatic welding, ensure the welding quality and improve the welding efficiency.
The technical scheme of the invention is as follows:
the butt-welding machine comprises a welding machine body, a workbench, a workpiece positioning device, a push-pull mechanism, a lower welding electrode, a support frame and a plurality of welding heads, wherein the workbench is fixed on the front side surface of the welding machine body; the support frame comprises two end plates and a connecting rod, the connecting rod is fixedly connected between the two end plates and is close to one end of the two end plates, and the other end of the two end plates is fixedly connected with the welding machine main body;
each welding head further comprises a welding head cylinder and a connecting plate, wherein a T-shaped groove extending along the length direction is formed in the upper surface of the connecting rod, one end of the connecting plate is fixed in the T-shaped groove through a nut and a bolt, a guide sleeve is arranged at the other end of the connecting plate, a guide shaft is fixed on the welding head and slidably penetrates through the guide sleeve, one end of the connecting plate provided with the guide sleeve is connected with a flexible copper strip, the flexible copper strip is electrically connected with an electric welding transformer in the welding machine main body, a mounting hole is formed in the middle of the connecting plate, and the lower end of the welding head cylinder is fixed in the mounting hole;
the upper end of the welding head cylinder is provided with a fixed block, the upper surface of the fixed block is provided with a dovetail groove, one side of the dovetail groove is provided with a fastening plate, one side of the fixed block, which is close to the fastening plate, is provided with a screw hole, a fastening bolt is screwed in the screw hole, the threaded end of the fastening bolt is rotatably connected with the fastening plate, the front side of the welding machine main body is provided with a fixing boss above the welding head cylinder, the lower surface of the fixing boss is fixedly connected with a dovetail guide rail, and the dovetail guide rail is penetrated in the dovetail groove and is fixed with the fixed block through the fastening bolt and the fastening plate.
Further, the workpiece positioning device comprises a transverse positioning block, a longitudinal compression cylinder and a lower compression device, wherein the longitudinal positioning block is fixed at one end of the workbench, the longitudinal compression block is retractably arranged at the other end of the workbench through the longitudinal compression cylinder, the transverse positioning block, the longitudinal positioning block and the longitudinal compression block form a positioning space with an inlet for positioning a first welding workpiece, and the lower compression device is arranged on the support frame and used for reducing the pressure of a second welding workpiece.
Further, a magnet is arranged on the transverse positioning block for adsorbing the side face of the workpiece.
Further, the lower pressing device comprises two lower pressing cylinders, a lower pressing block, two guide sleeves and two guide posts, wherein the two lower pressing cylinders are oppositely arranged on one side, far away from the main body of the welding machine, of the support frame, each lower pressing cylinder is correspondingly provided with one guide sleeve and one guide post, the guide sleeve is fixed on the support frame and positioned below the lower pressing cylinder, the guide posts can penetrate through the guide sleeves in a lifting sliding manner, the telescopic rods of the lower pressing cylinders are connected with the top ends of the guide posts, the bottom ends of the guide posts are provided with connecting blocks, and the lower pressing block is fixedly connected between the two connecting blocks.
Further, a positioning groove is formed in the lower pressing block.
Further, the push-pull mechanism comprises a fixed plate, a movable plate, a push-pull air cylinder and a push-pull hook, wherein the movable plate can be horizontally and slidably arranged on the fixed plate, the push-pull air cylinder is fixed on the fixed plate, a telescopic rod of the push-pull air cylinder is connected with the movable plate, a transverse positioning block is fixed on the movable plate, a connecting end of the push-pull hook is arranged on the movable plate in a lifting manner, and a hooking end of the push-pull hook is positioned at a gap between welding heads.
Further, the push-pull mechanism further comprises two lifting assemblies which are respectively arranged at two ends of the movable plate, each lifting assembly comprises a lifting cylinder, a lifting block and a guiding structure, the lifting cylinders are fixed on the movable plate, the telescopic rods of the lifting cylinders are vertically upwards, the lifting blocks are fixed on the telescopic rods of the lifting cylinders, the guiding structures and the push-pull hooks are respectively arranged at two sides of the lifting cylinders, one sides of the lifting blocks are connected with the guiding structures, and the other sides of the lifting blocks are connected with the push-pull hooks.
Further, the guide structure comprises a supporting block, a vertical sliding rail and a vertical sliding block, wherein the supporting block is fixed on the movable plate, the vertical sliding rail is fixed on the supporting block, the vertical sliding block is arranged on the vertical sliding rail in a lifting sliding manner, and the vertical sliding block is connected with the lifting block.
A welding method, using the butt-welding machine, comprises the following steps:
the method comprises the steps of placing a metal panel welded with a frame in a positioning space formed by a longitudinal positioning block and a longitudinal compression block, starting a longitudinal compression cylinder to drive the longitudinal compression block to compress towards one end of the longitudinal positioning block, placing the reinforced strips at welding positions on the metal panel, compressing and positioning the reinforced strips through a lower compression device, simultaneously lowering each welding head to one side of the reinforced strips for welding, simultaneously lifting each welding head after welding is completed, lowering the inner side surface of the frame by a push-pull hook, moving towards one side of a main body of the welding machine for a preset distance to stop, enabling the welding position of the other side of the reinforced strips to be right below the welding heads, simultaneously lowering each welding head to the other side of the reinforced strips for welding, simultaneously lifting each welding head after welding is completed, pushing the welded workpiece outwards by the push-pull hook, taking out the welded workpiece, turning the workpiece, and circularly welding the other reinforced strips in the process.
According to the butt welding machine, the welding machine main body, the workbench, the workpiece positioning device, the push-pull mechanism, the lower welding electrode, the supporting frame and the welding heads are matched, one side of strips is welded and reinforced, then the workpiece is moved to the welding position of the other side through the push-pull hook, and the workpiece can be pushed out through the push-pull hook after welding, so that the welding process can be completed rapidly and conveniently, automatic welding is realized, the welding quality can be ensured, and the welding efficiency is improved.
Drawings
FIG. 1 is a block diagram of a workpiece being welded by a butt welder of the present invention;
FIG. 2 is a perspective view of a butt welder of the present invention;
FIG. 3 is an enlarged partial view of a front view of the welder of the present invention;
FIG. 4 is an enlarged view of a portion of a side view of the butt-welder of the present invention;
FIG. 5 is an enlarged view of a portion of the butt welder of the present invention;
FIG. 6 is a block diagram of a push-pull mechanism of the butt welder of the present invention;
fig. 7 is a structural view of a welding head of the butt welding machine of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 2 to 5, the present invention provides a butt-welding machine for welding a reinforcement strip 30 on a metal panel 10, the butt-welding machine comprises a welding machine body 1, a workbench 2, a workpiece positioning device 3, a push-pull mechanism 4, a lower welding electrode 5, a supporting frame 6 and a plurality of welding heads 7, wherein the workbench 2 is fixed on the front side of the welding machine body 1, the workpiece positioning device 3 is arranged on the workbench 2, the lower welding electrode 5 is fixed on the workbench 2 at a welding position corresponding to the workpiece positioning device 3 for contacting the lower surface of a workpiece, the lower welding electrode 5 is electrically connected with a welding transformer in the welding machine body 1, the push-pull mechanism 4 is arranged on the workbench 2 and is positioned between the welding machine body 1 and the workpiece positioning device 3, one side of the workpiece is welded, the other side of the workpiece is moved again, the workpiece is pushed out after two sides of the workpiece are welded, the supporting frame 6 is fixedly arranged on the front side of the welding machine body 1 and is positioned above the workpiece positioning device 3, the plurality of welding heads 7 are arranged on the supporting frame 6 in a lifting manner, a predetermined distance is arranged along the length direction of the supporting frame 6, each welding head 7 is electrically connected with the welding head 7 corresponding to the welding electrode 71 in the welding machine body 1 for welding position corresponding to the lower welding electrode 71, and each welding head 7 is electrically connected with the welding electrode 71 in the welding position corresponding to the welding electrode 71.
The workpiece positioning device 3 comprises a transverse positioning block 31, a longitudinal positioning block 32, a longitudinal pressing block 33, a longitudinal pressing cylinder 34 and a lower pressing device 35, wherein the transverse positioning block 31 is fixedly arranged on a sliding part of the push-pull mechanism 4, the longitudinal positioning block 32 is fixed at one end of the workbench 2, the longitudinal pressing block 33 is retractably arranged at the other end of the workbench 2 through the longitudinal pressing cylinder 34, the transverse positioning block 31, the longitudinal positioning block 32 and the longitudinal pressing block 33 form a positioning space with an inlet for positioning a first welding workpiece (a metal panel 10 and frame 20 assembly), and the lower pressing device 35 is arranged on the support frame 6 and used for pressing down a second welding workpiece (namely, a reinforced strip 30). The first welding workpiece (the assembly of the metal panel 10 and the frame 20) is pushed into the positioning space through the inlet 35, so that two adjacent edges of the workpiece are respectively clung to the transverse positioning block 31 and the longitudinal positioning block 32, the longitudinal compression cylinder 34 is started again to drive the longitudinal compression block 33 to compress the workpiece, the second welding workpiece is placed at the welding position on the first welding workpiece, and the lower compression device 35 is used for reducing the pressure of the second welding workpiece.
In order to more conveniently position the workpiece, a magnet 36 is provided on the lateral positioning block 31 for attracting the side surface of the workpiece.
The lower pressing device 35 comprises two lower pressing cylinders 351, a lower pressing block 352, two guide sleeves 353 and two guide posts 354, wherein the two lower pressing cylinders 351 are oppositely erected on one side, far away from the welding machine main body 1, of the support frame 6, each lower pressing cylinder 351 is correspondingly provided with one guide sleeve 353 and one guide post 354, the guide sleeve 353 is fixed on the support frame 6 and is positioned below the lower pressing cylinder 351, the guide posts 354 are vertically and slidably arranged in the guide sleeves 353 in a penetrating manner, telescopic rods of the lower pressing cylinders 351 are connected with the top ends of the guide posts 354, connecting blocks 355 are arranged at the bottom ends of the guide posts 354, and the lower pressing block 352 is fixedly connected between the two connecting blocks 355. It is understood that the guide sleeve 353 and the guide post 354 may be omitted, and the lower pressing cylinder 351 is directly fixed to the lower pressing block 352 through the connecting block 355.
To better provide stable positioning of the workpieces, the lower compression block 352 is provided with a positioning slot 356 that mates with a second welding workpiece.
Referring to fig. 6, the push-pull mechanism 4 includes a fixed plate 41, a movable plate 42, a push-pull cylinder 43 and a push-pull hook 44, wherein the movable plate 42 is horizontally slidably mounted on the fixed plate 41, the push-pull cylinder 43 is fixed on the fixed plate 41, a telescopic rod of the push-pull cylinder 43 is connected with the movable plate 42, the transverse positioning block 31 is fixed on the movable plate 42, for making the structure more compact, a notch 421 is provided in the middle of the movable plate 42, the telescopic rod of the push-pull cylinder 43 is connected with a protruding portion at the notch 421 on the movable plate 42, a connecting end of the push-pull hook 44 is liftably mounted on the movable plate 42, a hooking end of the push-pull hook 44 is located at a gap between the welding heads 7 for hooking or separating a workpiece, and the push-pull hook 44 is provided with two or more than two for pushing and pulling the workpiece more stably.
It will be appreciated that a sliding rail and block structure is provided between the fixed plate 41 and the movable plate 42 to achieve relative sliding.
The push-pull mechanism 4 further comprises two lifting assemblies respectively arranged at two ends of the movable plate 42, each lifting assembly comprises a lifting air cylinder 451, a lifting block 452 and a guiding structure 453, the lifting air cylinder 451 is fixed on the movable plate 42, a telescopic rod of the lifting air cylinder 451 is vertically upwards, the lifting block 452 is fixed on the telescopic rod of the lifting air cylinder 451, the guiding structure 453 and the push-pull hook 44 are respectively arranged at two sides of the lifting air cylinder 451, one side of the lifting block 452 is connected with the guiding structure 453, and the other side is connected with the push-pull hook 44. It is to be understood that the guide 453 can also be omitted.
The guiding structure 453 comprises a supporting block 4531, a vertical sliding rail 4532 and a vertical sliding block 4533, wherein the supporting block 4531 is fixed on the movable plate 42, the vertical sliding rail 4532 is fixed on the supporting block 4531, the vertical sliding block 4533 is arranged on the vertical sliding rail 4532 in a lifting sliding manner, and the vertical sliding block 4533 is connected with the lifting block 452.
Referring to fig. 5 and 7, the support frame 6 includes two end plates 61 and a connecting rod 62, the connecting rod 62 is fixedly connected between the two end plates 61 and near one ends of the two end plates 61, and the other ends of the two end plates 61 are fixedly connected with the welder main body 1. Preferably, the two end plates 61 are right-angle triangular plate bodies, and the connecting rod 62 is fixedly connected to an acute angle end of the right-angle triangular plate bodies.
Each welding head 7 further comprises a welding head cylinder 72 and a connecting plate 73, a T-shaped groove 621 extending along the length direction is formed in the upper surface of the connecting rod 62, one end of the connecting plate 73 is fixed in the T-shaped groove 621 through a nut and a bolt, a guide sleeve 74 is arranged at the other end of the connecting plate 73, a guide shaft 75 is fixed on the welding head 7, the guide shaft 75 slidably penetrates through the guide sleeve 74, one end, provided with the guide sleeve 74, of the connecting plate 73 is connected with a flexible copper strip 76, the flexible copper strip 76 is electrically connected with an electric welding transformer in the welding machine main body 1, a mounting hole is formed in the middle of the connecting plate 73, and the lower end of the welding head cylinder 72 is fixed in the mounting hole.
The upper end of the welding head cylinder 72 is provided with a fixed block 77, the upper surface of the fixed block 77 is provided with a dovetail groove 771, one side of the dovetail groove 771 is provided with a fastening plate 772, one side of the fixed block 77, which is close to the fastening plate 772, is provided with a screw hole, a fastening bolt 773 is screwed in the screw hole, the threaded end of the fastening bolt 773 is rotatably connected with the fastening plate 772, the front side surface of the welding machine main body 1 is provided with a fixed boss 12 above the welding head cylinder 72, the lower surface of the fixed boss 12 is fixedly connected with a dovetail guide rail 13, the dovetail guide rail 13 is penetrated in the dovetail groove 771, and the dovetail guide rail 13 is fixed with the fixed block 77 through the fastening bolt 773 and the fastening plate 772. By adopting such a structure, the welding head cylinder 72 is convenient to install, the proper installation position is easy to adjust, a plurality of welding head cylinders 72 can be installed in a limited space, and the stable welding action of the welding head 7 is ensured.
The butt welding machine also comprises a control system for controlling the welding action of the butt welding machine.
The welding method of the butt welding machine comprises the following steps:
the metal panel 10 welded with the frame 20 is placed in a positioning space formed by the longitudinal positioning block 32 and the longitudinal pressing block 33, the longitudinal pressing cylinder 34 is started to drive the longitudinal pressing block 33 to press towards one end of the longitudinal positioning block 32, the reinforcement strips 30 are placed at the welding position on the metal panel 10, the reinforcement strips 30 are pressed and positioned through the lower pressing device 35, each welding head 7 descends to one side of the reinforcement strips 30 simultaneously to be welded, after the welding is finished, each welding head 7 ascends simultaneously, the push-pull hook 44 descends to hook the inner side surface of the frame 20, and moves a preset distance towards one side of the welding machine body 1 to stop, so that the welding position of the other side of the reinforcement strips 30 is located right below the welding heads 7, each welding head 7 descends to the other side of the reinforcement strips 30 simultaneously to be welded, after the welding is finished, the push-pull hook 44 ascends simultaneously to push out the welded workpiece outwards, the welded workpiece is taken out, the workpiece is turned, and the other reinforcement strips 30 are welded in the circulation process.
According to the butt welding machine, the welding machine body 1, the workbench 2, the workpiece positioning device 3, the push-pull mechanism 4, the lower welding electrode 5, the support frame 6 and the welding heads 7 are arranged to be matched, one side of the strip 30 is welded and reinforced, then the pushing and pulling hook 44 is used for moving a workpiece to a welding position on the other side, and the workpiece can be pushed out through the pushing and pulling hook 44 after welding, so that the welding process can be completed rapidly and conveniently, automatic welding is realized, the welding quality can be ensured, and the welding efficiency is improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (9)
1. A butt-welding machine is characterized by comprising a welding machine main body (1), a workbench (2), a workpiece positioning device (3), a push-pull mechanism (4), a lower welding electrode (5), a support frame (6) and a plurality of welding heads (7), wherein the workbench (2) is fixed on the front side surface of the welding machine main body (1), the workpiece positioning device (3) is arranged on the workbench (2), the lower welding electrode (5) is fixed on the workbench (2) at a welding position corresponding to the workpiece positioning device (3) and is used for contacting the lower surface of a workpiece, the lower welding electrode (5) is electrically connected with a welding transformer in the welding machine main body (1), the push-pull mechanism (4) is arranged on the workbench (2) and is positioned between the welding machine main body (1) and the workpiece positioning device (3) and is used for moving the workpiece again after one side of a workpiece is welded so as to weld the other side of the workpiece, the workpiece is pushed out after the two sides of the workpiece are welded, the support frame (6) is fixedly arranged on the front side surface of the welding machine main body (1) and is positioned above the workpiece positioning device (3), the plurality of welding heads (7) are arranged on the support frame (6) in a lifting manner and are arranged on the support frame (6) in a position corresponding to the welding position of the workpiece positioning device (3) and are electrically connected with the welding heads (7) along the length of the welding heads (7) in the preset direction along the welding head distance of each welding head (1), the upper welding electrode (71) corresponds to the position of the lower welding electrode (5) for clamping a welding workpiece; the support frame (6) comprises two end plates (61) and a connecting rod (62), the connecting rod (62) is fixedly connected between the two end plates (61) and is close to one end of the two end plates (61), and the other end of the two end plates (61) is fixedly connected with the welding machine main body (1);
each welding head (7) further comprises a welding head cylinder (72) and a connecting plate (73), a T-shaped groove (621) extending along the length direction is formed in the upper surface of the connecting rod (62), one end of the connecting plate (73) is fixed in the T-shaped groove (621) through a nut and a bolt, a guide sleeve (74) is arranged at the other end of the connecting plate (73), a guide shaft (75) is fixed on the welding head (7), the guide shaft (75) is slidably arranged in the guide sleeve (74) in a penetrating manner, one end, provided with the guide sleeve (74), of the connecting plate (73) is connected with a flexible copper strip (76), the flexible copper strip (76) is electrically connected with an electric welding transformer in the welding machine main body (1), a mounting hole is formed in the middle of the connecting plate (73), and the lower end of the welding head cylinder (72) is fixed in the mounting hole;
the upper end of the welding head cylinder (72) is provided with a fixed block (77), the upper surface of the fixed block (77) is provided with a dovetail groove (771), one side of the dovetail groove (771) is provided with a fastening plate (772), one side of the fixed block (77) close to the fastening plate (772) is provided with a screw hole, a fastening bolt (773) is screwed in the screw hole, the threaded end of the fastening bolt (773) is rotatably connected with the fastening plate (772), the front side of the welding machine body (1) is provided with a fixing boss (12) above the welding head cylinder (72), the lower surface of the fixing boss (12) is fixedly connected with a dovetail guide rail (13), and the dovetail guide rail (13) is penetrated in the dovetail groove (771) and is fixed with the fixed block (77) through the fastening bolt (773) and the fastening plate (772).
2. The butt welding machine according to claim 1, wherein the workpiece positioning device (3) comprises a transverse positioning block (31), a longitudinal positioning block (32), a longitudinal pressing block (33), a longitudinal pressing cylinder (34) and a lower pressing device (35), the longitudinal positioning block (32) is fixed at one end of the workbench (2), the longitudinal pressing block (33) is telescopically arranged at the other end of the workbench (2) through the longitudinal pressing cylinder (34), the transverse positioning block (31), the longitudinal positioning block (32) and the longitudinal pressing block (33) form a positioning space with an inlet for positioning the first welding workpiece, and the lower pressing device (35) is arranged on the support frame (6) for pressing the second welding workpiece.
3. The butt welder according to claim 2, characterized in that the transverse positioning block (31) is provided with a magnet (36) for attracting the side of the workpiece.
4. The butt welding machine according to claim 2, wherein the lower pressing device (35) comprises two lower pressing cylinders (351), a lower pressing block (352), two guide sleeves (353) and two guide posts (354), the two lower pressing cylinders (351) are oppositely arranged on one side, far away from the main body (1) of the welding machine, of the support frame (6), each lower pressing cylinder (351) is correspondingly provided with one guide sleeve (353) and one guide post (354), the guide sleeve (353) is fixed on the support frame (6) and is positioned below the lower pressing cylinder (351), the guide posts (354) are arranged in the guide sleeves (353) in a penetrating mode in a lifting sliding mode, telescopic rods of the lower pressing cylinders (351) are connected with the top ends of the guide posts (354), the bottom ends of the guide posts (354) are provided with connecting blocks (355), and the lower pressing block (352) is fixedly connected between the two connecting blocks (355).
5. The butt welder according to claim 4, characterized in that the lower pressing block (352) is provided with a positioning groove (356).
6. The butt welding machine according to claim 2, wherein the push-pull mechanism (4) comprises a fixed plate (41), a movable plate (42), a push-pull air cylinder (43) and a push-pull hook (44), the movable plate (42) is horizontally slidably mounted on the fixed plate (41), the push-pull air cylinder (43) is fixed on the fixed plate (41), a telescopic rod of the push-pull air cylinder (43) is connected with the movable plate (42), the transverse positioning block (31) is fixed on the movable plate (42), a connecting end of the push-pull hook (44) is mounted on the movable plate (42) in a lifting manner, and a hooking end of the push-pull hook (44) is located at a gap between the welding heads (7).
7. The butt welding machine according to claim 6, wherein the push-pull mechanism (4) further comprises two lifting assemblies respectively mounted at two ends of the movable plate (42), each lifting assembly comprises a lifting cylinder (451), a lifting block (452) and a guiding structure (453), the lifting cylinder (451) is fixed on the movable plate (42), the telescopic rod of the lifting cylinder (451) is vertically upwards, the lifting block (452) is fixed on the telescopic rod of the lifting cylinder (451), the guiding structure (453) and the push-pull hook (44) are respectively mounted at two sides of the lifting cylinder (451), one side of the lifting block (452) is connected with the guiding structure (453), and the other side is connected with the push-pull hook (44).
8. The butt welding machine according to claim 7, wherein the guiding structure (453) comprises a supporting block (4531), a vertical sliding rail (4532) and a vertical sliding block (4533), the supporting block (4531) is fixed on the movable plate (42), the vertical sliding rail (4532) is fixed on the supporting block (4531), the vertical sliding block (4533) is arranged on the vertical sliding rail (4532) in a liftable sliding manner, and the vertical sliding block (4533) is connected with the lifting block (452).
9. A welding method, characterized in that the butt welding machine according to claim 4 is used, comprising the steps of:
the method comprises the steps of placing a metal panel (10) welded with a frame (20) in a positioning space formed by a longitudinal positioning block (32) and a longitudinal pressing block (33), starting a longitudinal pressing cylinder (34) to drive the longitudinal pressing block (33) to press towards one end of the longitudinal positioning block (32), placing the reinforcing strips (30) at the welding position on the metal panel (10), pressing and positioning the reinforcing strips (30) through a lower pressing device (35), simultaneously lowering each welding head (7) to one side of the reinforcing strips (30) for welding, after the welding is finished, simultaneously lifting each welding head (7), pushing a draw hook (44) to descend to hook the inner side surface of the frame (20), moving towards one side of a welding machine main body (1) for a preset distance to stop, enabling the welding position of the other side of the reinforcing strips (30) to be located right below the welding heads (7), simultaneously lowering each welding head (7) to the other side of the reinforcing strips (30) for welding, simultaneously lifting each welding head (7) after the welding is finished, pushing the draw hook (44) to push out the work piece outwards for welding, taking out the work piece to be welded, and carrying out the work piece (30), and carrying out the welding process .
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| CN110814553B (en) * | 2019-11-09 | 2021-10-12 | 宁波六希格码建筑科技有限公司 | Multi-dimensional rail type cutting equipment |
| CN110814554B (en) * | 2019-11-09 | 2021-10-12 | 宁波六希格码建筑科技有限公司 | Portable intelligent controllable multi-dimensional cutting device |
| CN114260551A (en) * | 2022-01-19 | 2022-04-01 | 洛阳恩家宜激光科技有限公司 | Operation method of flexible descending integral positioning device of resistance welding arrangement welding gun |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4343981A (en) * | 1980-09-08 | 1982-08-10 | Connolly James D | Resistance welding machine |
| CN201979211U (en) * | 2011-04-06 | 2011-09-21 | 宁波新州焊接设备有限公司 | Spot welding machine |
| CN102371428A (en) * | 2010-08-05 | 2012-03-14 | 王星星 | Multi-point welding upper electrode debugging device |
| CN206029003U (en) * | 2016-08-12 | 2017-03-22 | 广州毅翚金属加工机械有限公司 | Multistation spot welder |
| CN210615475U (en) * | 2019-07-26 | 2020-05-26 | 惠州市诚业家具有限公司 | Butt-welding machine |
-
2019
- 2019-07-26 CN CN201910680139.8A patent/CN110340507B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4343981A (en) * | 1980-09-08 | 1982-08-10 | Connolly James D | Resistance welding machine |
| CN102371428A (en) * | 2010-08-05 | 2012-03-14 | 王星星 | Multi-point welding upper electrode debugging device |
| CN201979211U (en) * | 2011-04-06 | 2011-09-21 | 宁波新州焊接设备有限公司 | Spot welding machine |
| CN206029003U (en) * | 2016-08-12 | 2017-03-22 | 广州毅翚金属加工机械有限公司 | Multistation spot welder |
| CN210615475U (en) * | 2019-07-26 | 2020-05-26 | 惠州市诚业家具有限公司 | Butt-welding machine |
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