CN118046093B - Die laser welding device and welding method - Google Patents
Die laser welding device and welding method Download PDFInfo
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- CN118046093B CN118046093B CN202410435209.4A CN202410435209A CN118046093B CN 118046093 B CN118046093 B CN 118046093B CN 202410435209 A CN202410435209 A CN 202410435209A CN 118046093 B CN118046093 B CN 118046093B
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- 238000003466 welding Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 22
- 238000000429 assembly Methods 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007790 scraping Methods 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- 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)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the field of laser welding, in particular to a die laser welding device and a die laser welding method. The device comprises a clamping mechanism, a supporting plate, a rack and a welding mechanism; the clamping mechanism comprises clamping plates, springs, sliding rods, lifting plates and vertical guide assemblies, wherein the clamping plates are connected with the ends of the sliding rods, the sliding rods are horizontally arranged on the lifting plates in a sliding manner, the springs are sleeved on the periphery sides of the sliding rods, the two ends of the springs are respectively connected with the clamping plates and the lifting plates, and the lifting plates are arranged on the vertical guide assemblies in a sliding manner along the vertical direction; the frame is provided with a synchronous adjusting mechanism for driving the two groups of vertical guide assemblies to move oppositely and driving the supporting plate to ascend or driving the two groups of vertical guide assemblies to move away and driving the supporting plate to descend; the welding mechanism is arranged on the frame and comprises a laser welding head and a driving mechanism for driving the laser welding head to horizontally move, and the laser welding heads are horizontally distributed. The invention can stably clamp the die and can lift the die to the required height through the synchronous adjusting mechanism.
Description
Technical Field
The invention relates to the field of laser welding, in particular to a die laser welding device and a die laser welding method.
Background
The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. Different molds are made up of different parts. After the die is machined, the die is required to be welded and repaired, namely, the relatively imperfect place on the die is welded and repaired, and a common repairing mode is to use a laser welding device for laser welding and repairing.
Chinese patent publication No. CN113977083a discloses a die laser welding apparatus, which includes a supporting table, a base, a lifting mechanism, a frame, a welding head and an expansion board; the base is arranged on one side of the frame, the base is connected with one end of the lifting mechanism, the other end of the lifting mechanism is connected with the first surface of the supporting table, the supporting table is hinged with the expansion board, a connecting block is arranged on one side of the supporting table, a groove is formed in one side of the expansion board, the connecting block is movably inserted into the groove, when the connecting block is inserted into the groove, one surface of the expansion board, which is far away from the base, is positioned on the same horizontal plane as the second surface of the supporting table, and the first surface and the second surface of the supporting table are arranged in a back-to-back manner; the frame is connected with the welding head, and the welding head is located the top of the second face of brace table. Like this, not only can bear the weight of large-scale mould, the welding of the large-scale mould of being convenient for still through the cooperation of connecting block and recess for the extension board is more inseparable with the connection of brace table, bears the weight of the effect better, the placing of the large-scale mould of being convenient for.
However, the technical scheme has the following defects:
the die cannot be effectively clamped; when the height of the supporting table is adjusted by the lifting mechanism, the plurality of clamping grooves are distributed at intervals, so that the lifting mechanism can only lift a certain distance (the distance from one clamping groove to the other clamping groove), and the height of the supporting table cannot be continuously adjusted.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a die laser welding device and a welding method which can stably clamp a die and can lift the die to a required height through a synchronous adjusting mechanism.
On one hand, the invention provides a die laser welding device which comprises a clamping mechanism, a supporting plate, a frame and a welding mechanism; the clamping mechanism comprises clamping plates, springs, sliding rods, lifting plates and vertical guide assemblies, wherein the clamping plates are connected with the ends of the sliding rods, the sliding rods are horizontally arranged on the lifting plates in a sliding manner, the springs are sleeved on the periphery sides of the sliding rods, the two ends of the springs are respectively connected with the clamping plates and the lifting plates, and the lifting plates are arranged on the vertical guide assemblies in a sliding manner along the vertical direction; the frame is provided with a synchronous adjusting mechanism for driving the two groups of vertical guide assemblies to move oppositely and driving the supporting plate to ascend or driving the two groups of vertical guide assemblies to move away and driving the supporting plate to descend; the welding mechanism is arranged on the frame and comprises a laser welding head and a driving mechanism for driving the laser welding head to horizontally move, and the laser welding heads are horizontally distributed.
Preferably, the frame includes base, roof, support column and support frame, and base, support column and roof are connected gradually by supreme down, and the support frame is vertical to be set up on the base and be located the roof rear side.
Preferably, the vertical guide assembly comprises a sliding block, a guide rod a and a moving plate, the moving plate is provided with a slideway b which is vertically distributed and used for the sliding block to slide, the guide rod a is vertically arranged on the moving plate, and the sliding block is slidably arranged on the guide rod a.
Preferably, the synchronous adjusting mechanism comprises a motor a, a machine base, a screw rod a, a screw rod nut a, a lifting table, a connecting component, a guide rod b, a support a, a top frame and a transmission mechanism in transmission connection with the screw rod a and a supporting plate, wherein the machine base is arranged on the machine base, the motor a is arranged on the machine base and is in driving connection with the screw rod a, the screw rod a is vertically arranged, the screw rod a is rotationally arranged on the top frame, the screw rod nut a is in threaded connection with the screw rod a, the lifting table is arranged on the screw rod nut a, the connecting component is symmetrically provided with two groups, the connecting component comprises a connecting table a, a connecting rod and a connecting table b, the connecting table a is arranged on the lifting table, two ends of the connecting rod are respectively in rotational connection with the connecting table a and the connecting table b, the connecting table b is slidingly arranged on the guide rod b, the connecting table b is connected to the bottom of a moving plate, the guide rod b is horizontally arranged on the support a, the support a and the top frame are both arranged at the bottom of a top plate, and the top plate is provided with a slideway a for the connecting table b to slide.
Preferably, the transmission mechanism comprises a gear a, a fixing frame and two groups of transmission components which are distributed in parallel, the transmission components comprise a gear b, a rotating cylinder, a fixed cylinder, a screw nut b, a screw b and a top platform, the gear b is coaxially arranged on the rotating cylinder, the rotating cylinder is coaxially rotated and arranged on the fixed cylinder, the fixed cylinder is arranged on the fixing frame, the fixing frame is arranged on the machine base, the gear b is coaxially connected with the screw nut b, the screw nut b is in threaded connection with the screw b, the screw b is vertically distributed, the screw b penetrates through the fixing frame and the top frame, the screw b comprises a polished rod part which is slidably arranged on the top plate, the top end of the screw b is connected with the top platform, the top platform is arranged at the bottom of the supporting plate, the gear a is coaxially arranged on the screw a, and the gear a is meshed and connected with two gears b in the two groups of transmission components.
Preferably, a support b is arranged at the bottom of the supporting plate, a guide rod c is horizontally arranged on the support b, a connecting frame is arranged on the clamping plate, and the connecting frame is horizontally arranged on the guide rod c in a sliding mode.
Preferably, the actuating mechanism includes motor b, the mounting bracket, lead screw c, the movable block, the slide rail, remove the cover, gear c, the axis of rotation, rack, gear d, installation axle and flabellum mechanism, the mounting bracket sets up on the support frame, motor b sets up on the mounting bracket, motor b is connected with lead screw c drive, lead screw c rotates and sets up on the mounting bracket, lead screw c and movable block threaded connection, movable block horizontal slip sets up on the slide rail, the slide rail sets up on the mounting bracket, it sets up on the movable block to remove the cover, gear c sets up in the axis of rotation, gear c and rack and gear d meshing simultaneously are connected, rack level sets up on the support frame, gear d sets up on the installation axle and towards the horizontal direction, installation axle and axis of rotation all rotate and set up on removing the cover, the laser welding head sets up on removing the cover.
In another aspect, the present invention provides a welding method of the above-mentioned die laser welding apparatus, the welding method comprising the steps of:
S1, placing a die to be welded on a supporting plate;
S2, driving two groups of vertical guide assemblies to move oppositely through a synchronous adjusting mechanism and driving a supporting plate to ascend, wherein the vertical guide assemblies drive clamping plates to move through lifting plates, sliding rods and springs, the two clamping plates are used for clamping a die, and the supporting plate drives the die to move upwards until a to-be-welded area on the die reaches the height aligned by a laser welding head;
S3, driving the laser welding head to horizontally move by the driving mechanism, and starting the laser welding head to weld the die;
and S4, after welding is finished, the laser welding head is closed, the two groups of vertical guide assemblies are driven to move away from each other and drive the supporting plate to descend through the synchronous adjusting mechanism, the clamping of the die is relieved through the two clamping plates, and a worker takes down the die after welding on the supporting plate.
Compared with the prior art, the invention has the following beneficial technical effects:
The invention can stably clamp the die and can lift the die to the required height through the synchronous adjusting mechanism. When the supporting plate lifts the die upwards, because of sliding connection between the lifting plate and the vertical guide assembly, the clamping plate can synchronously lift along with the supporting plate when clamping the die, and the surface of the die is not easy to scratch. When the supporting plate lifts the die to the target height, the laser welding head is driven to move through the driving mechanism, and the laser welding head performs welding treatment on the die. The height of the laser welding head is unchanged, and the to-be-welded area of the die can be adjusted to the height of the laser welding head only by correspondingly adjusting the height of the die, so that the height of the laser welding head is not required to be adjusted.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is a schematic diagram of the motion of a laser welding head and fan blade mechanism in an embodiment of the present invention.
Reference numerals: 1. a base; 2. a top plate; 201. a slideway a; 3. a clamping plate; 301. a spring; 4. a slide bar; 5. a connecting plate; 6. a lifting plate; 7. a slide block; 8. a guide rod a; 9. a moving plate; 901. a slideway b; 10. a motor a; 101. a base; 11. a screw rod a; 111. a screw nut a; 12. a lifting table; 13. a connecting table a; 14. a connecting rod; 15. a connection station b; 16. a guide rod b; 17. a bracket a; 18. a supporting plate; 19. a gear a; 20. a gear b; 21. a rotating cylinder; 22. a fixed cylinder; 23. a screw nut b; 24. a screw rod b; 241. a base table; 25. a fixing frame; 26. a top platform; 27. a connecting frame; 28. a guide rod c; 29. a bracket b; 30. a support column; 31. a motor b; 311. a mounting frame; 32. a screw rod c; 33. a moving block; 34. a slide rail; 35. a moving cover; 36. a laser welding head; 37. a gear c; 38. a rotating shaft; 39. a rack; 40. a gear d; 41. a mounting shaft; 42. a fan blade mechanism; 43. a support frame; 44. and a top frame.
Detailed Description
1-5, The laser welding device for the die provided by the embodiment comprises a clamping mechanism, a supporting plate 18, a frame and a welding mechanism; clamping mechanism symmetric distribution is two sets of, and clamping mechanism includes splint 3, spring 301, slide bar 4, lifter plate 6 and vertical direction subassembly, splint 3 and slide bar 4 end connection, and slide bar 4 is kept away from the one end of splint 3 and is connected with connecting plate 5, and connecting plate 5 can prevent that slide bar 4 from coming off from lifter plate 6, and slide bar 4 horizontal slip sets up on lifter plate 6, and spring 301 cover is established at slide bar 4 periphery side and both ends and is connected with splint 3 and lifter plate 6 respectively, and lifter plate 6 slides along vertical direction and sets up on vertical direction subassembly.
The height of the supporting plate 18 is lower than the bottom end of the clamping plate 3, and the supporting plate 18 is horizontally distributed.
The frame includes base 1, roof 2, support column 30 and support frame 43, base 1, support column 30 and roof 2 are by supreme being connected gradually down, support frame 43 vertical setting is on base 1 and be located roof 2 rear side, be provided with in the frame and be used for driving two sets of vertical direction subassemblies and move in opposite directions and drive layer board 18 rise or drive two sets of vertical direction subassemblies and move away from each other and drive the synchronous adjustment mechanism that layer board 18 descends, when two sets of vertical direction subassemblies move in opposite directions, two lifter plates 6 move in opposite directions, two splint 3 move in opposite directions, spring 301 is compressed, splint 3 can press from both sides the mould that waits to weld.
The welding mechanism is arranged on the frame, and comprises a laser welding head 36 and a driving mechanism for driving the laser welding head 36 to horizontally move, wherein the laser welding head 36 is horizontally distributed.
The welding method of the die laser welding device comprises the following steps:
S1, placing a die to be welded on a supporting plate 18, wherein the area to be welded faces the side of a laser welding head 36;
s2, driving two groups of vertical guide assemblies to move oppositely through a synchronous adjusting mechanism and driving a supporting plate 18 to ascend, wherein the vertical guide assemblies drive a clamping plate 3 to move through a lifting plate 6, a sliding rod 4 and a spring 301, clamping a die by using the two clamping plates 3, and driving the die to move upwards through the supporting plate 18 until a to-be-welded area on the die reaches a height aligned by a laser welding head 36;
S3, the driving mechanism drives the laser welding head 36 to move horizontally, the laser welding head 36 is started to weld the die, the welding area is preferably higher than the top end of the clamping plate 3, and the laser welding head 36 can be prevented from being mistakenly welded to the clamping plate 3 when the end part of the die is welded;
And S4, after welding is finished, closing the laser welding head 36, driving the two groups of vertical guide assemblies to move away from each other and driving the supporting plate 18 to descend through the synchronous adjusting mechanism, clamping the die by the two clamping plates 3, taking the die welded on the supporting plate 18 off by a worker, and loading a new die to be welded for welding treatment.
The embodiment can stably clamp the die and can lift the die to a required height through the synchronous adjusting mechanism. The mould to be welded is first placed on the pallet 18, at which time the mould may or may not be held by the two clamping plates 3. Then drive two sets of vertical direction subassemblies through synchronous adjustment mechanism and remove in opposite directions to drive layer board 18 rises, two sets of vertical direction subassemblies drive two splint 3 and remove in opposite directions and press from both sides tight mould, simultaneously, layer board 18 upwards lifts the mould, because sliding connection between lifter plate 6 and the vertical direction subassembly, then splint 3 can rise in step along with layer board 18 when pressing from both sides tight mould, is difficult for scraping the damage mould surface. When the pallet 18 lifts the die to a target height, the laser welding head 36 is driven to move by the driving mechanism, and the laser welding head 36 performs a welding process on the die. The height of the laser welding head 36 is unchanged, and the to-be-welded area of the die can be adjusted to the height of the laser welding head 36 only by correspondingly adjusting the height of the die, so that the height of the laser welding head 36 is not required to be adjusted.
In the second embodiment, as shown in fig. 1-4, compared with the first embodiment, the laser welding device for a mold according to the present embodiment, the vertical guiding assembly includes a slider 7, a guiding rod a8 and a moving plate 9, the moving plate 9 has a sliding way b901 vertically distributed and allowing the slider 7 to slide, the guiding rod a8 is vertically disposed on the moving plate 9, and the slider 7 is slidably disposed on the guiding rod a 8. The slider 7 can slide vertically on the slide b901 and the guide bar a8, and is guided by the moving plate 9 and the guide bar a 8.
As shown in fig. 2 and 3, the synchronous adjusting mechanism comprises a motor a10, a base 101, a screw a11, a screw nut a111, a lifting table 12, a connecting assembly, a guide rod b16, a bracket a17, a top frame 44 and a transmission mechanism in transmission connection with the screw a11 and a supporting plate 18, wherein the base 101 is arranged on the base 1, the motor a10 is arranged on the base 101, the motor a10 is in driving connection with the screw a11, the screw a11 is vertically arranged, the screw a11 is rotatably arranged on the top frame 44, the screw nut a111 is in threaded connection with the screw a11, the lifting table 12 is arranged on the screw nut a111, the connecting assembly is symmetrically arranged in two groups, the connecting assembly comprises a connecting table a13, a connecting rod 14 and a connecting table b15, the connecting table a13 is arranged on the lifting table 12, two ends of the connecting rod 14 are respectively in rotary connection with the connecting table a13 and the connecting table b15, the connecting table b15 is slidably arranged on the guide rod b16, the connecting table b15 is connected to the bottom of the moving plate 9, the guide rod b16 is horizontally arranged on the bracket a17, the bracket a17 and the top frame 44 are both arranged at the bottom 2 and the top frame 2 are provided with a sliding table 201 a.
The output end of the motor a10 can rotate positively and negatively, the motor a10 drives the screw rod a11 to rotate, the screw rod a11 drives the screw rod nut a111 to descend or ascend, the screw rod nut a111 drives the lifting platform 12 to descend or ascend, and the lifting platform 12 drives the movable plates 9 to move horizontally through the connecting platform a13, the connecting rod 14 and the connecting platform b15, so that the two movable plates 9 move oppositely or separately. When the two moving plates 9 move in opposite directions, the screw a11 drives the supporting plate 18 to ascend through the transmission mechanism; when the two moving plates 9 move away from each other, the screw a11 drives the supporting plate 18 to descend through the transmission mechanism.
As shown in fig. 1 to 4, the transmission mechanism comprises a gear a19, a fixing frame 25 and two groups of transmission components which are distributed in parallel, the transmission components comprise a gear b20, a rotating cylinder 21, a fixing cylinder 22, a screw nut b23, a screw b24 and a top table 26, the gear b20 is coaxially arranged on the rotating cylinder 21, the rotating cylinder 21 is coaxially and rotatably arranged on the fixing cylinder 22, and the fixing cylinder 22 is arranged on the fixing frame 25. The fixing frame 25 is arranged on the machine base 101, and the gear b20 is coaxially connected with the screw nut b23, so that the screw nut b23 can rotate at a determined position. The screw nut b23 is in threaded connection with the screw rod b24, the screw rod b24 is vertically distributed, the screw rod b24 penetrates through the fixing frame 25 and the top frame 44, the screw rod b24 comprises a polished rod portion which is arranged on the top plate 2 in a sliding mode, the top end of the screw rod b24 is connected with the top table 26, the bottom end of the screw rod b24 is connected with the bottom table 241, the bottom table 241 can prevent the screw rod b24 from falling off, the top table 26 is arranged at the bottom of the supporting plate 18, a folding cylinder is connected between the top table 26 and the top plate 2, the folding cylinder encloses the screw rod b24 inside, and the shielding protection effect is achieved on the screw rod b 24. The gear a19 is coaxially arranged on the screw rod a11, and the gear a19 is in meshed connection with two gears b20 in the two groups of transmission assemblies.
When the two moving plates 9 move in opposite directions, the screw rod a11 drives the gear a19 to rotate, the gear a19 drives the gear b20 to rotate, the gear b20 drives the screw rod nut b23 to rotate, the screw rod nut b23 drives the screw rod b24 to rise, and the screw rod b24 lifts the supporting plate 18 upwards through the jacking table 26; similarly, when the two moving plates 9 move apart, the screw b24 descends and the pallet 18 descends.
In the third embodiment, as shown in fig. 3, in comparison with the first embodiment, in the present embodiment, the bottom of the supporting plate 18 is provided with a bracket b29, the bracket b29 is horizontally provided with a guide rod c28, the clamping plate 3 is provided with a connecting frame 27, and the connecting frame 27 is horizontally slidably disposed on the guide rod c 28.
In this embodiment, the connecting frame 27 can slide horizontally on the guide rod c28, and on the premise of ensuring that the two clamping plates 3 can clamp molds of different sizes, the heights of the supporting plate 18 and the clamping plates 3 can be synchronously adjusted, so that the condition that the clamping plates 3 scrape the molds when the molds on the supporting plate 18 are lifted is further prevented.
In the fourth embodiment, as shown in fig. 1 and 5, compared with the first embodiment, in the laser welding apparatus for a mold according to the present embodiment, the driving mechanism includes a motor b31, a mounting bracket 311, a screw rod c32, a moving block 33, a slide rail 34, a moving cover 35, a gear c37, a rotation shaft 38, a rack 39, a gear d40, a mounting shaft 41 and a fan blade mechanism 42, the mounting bracket 311 is disposed on a support frame 43, the motor b31 is disposed on the mounting bracket 311, the motor b31 is in driving connection with the screw rod c32, the screw rod c32 is rotatably disposed on the mounting bracket 311, the screw rod c32 is in threaded connection with the moving block 33, the moving block 33 is horizontally slidably disposed on the slide rail 34, the slide rail 34 is disposed on the mounting bracket 311, the moving cover 35 is disposed on the moving block 33, the gear c37 is disposed on the rotation shaft 38, the gear c37 is simultaneously engaged with the rack 39 and the gear d40, the gear d40 is disposed on the mounting shaft 41, the fan blade mechanism 42 is disposed on the mounting shaft 41 and faces horizontally, the mounting shaft 41 and both the rotation shaft 41 and the rotation shaft 38 are rotatably disposed on the moving cover 35 and the moving cover 35 is disposed on the laser welding head 35.
In this embodiment, the motor b31 can drive the screw rod c32 to rotate, the screw rod c32 drives the moving block 33 to move horizontally, the sliding rail 34 plays a guiding role on the moving block 33, the moving block 33 drives the moving cover 35 to move horizontally, and the moving cover 35 drives the laser welding head 36 to move horizontally, so that the die is welded by the laser welding head 36. When the movable cover 35 moves, the gear c37 is driven to move through the rotating shaft 38, the gear c37 rolls on the rack 39, the gear c37 drives the gear d40 to rotate, the gear d40 drives the fan blade mechanism 42 to rotate, and the fan blade mechanism 42 blows air to the welded area on the die to accelerate cooling.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (4)
1. A die laser welding apparatus, comprising:
The clamping mechanism comprises clamping plates (3), springs (301), sliding rods (4), lifting plates (6) and vertical guide assemblies, wherein the clamping plates (3) are connected with the end parts of the sliding rods (4), the sliding rods (4) are horizontally arranged on the lifting plates (6) in a sliding manner, the springs (301) are sleeved on the periphery sides of the sliding rods (4) and two ends of the springs are respectively connected with the clamping plates (3) and the lifting plates (6), and the lifting plates (6) are arranged on the vertical guide assemblies in a sliding manner along the vertical direction;
the height of the supporting plate (18) is lower than the bottom end of the clamping plate (3);
The machine frame is provided with a synchronous adjusting mechanism for driving the two groups of vertical guide assemblies to move oppositely and driving the supporting plate (18) to ascend or driving the two groups of vertical guide assemblies to move away and driving the supporting plate (18) to descend;
The welding mechanism is arranged on the frame and comprises a laser welding head (36) and a driving mechanism for driving the laser welding head (36) to move horizontally, and the laser welding heads (36) are distributed horizontally;
The frame comprises a base (1), a top plate (2), a support column (30) and a support frame (43), wherein the base (1), the support column (30) and the top plate (2) are sequentially connected from bottom to top, and the support frame (43) is vertically arranged on the base (1) and is positioned at the rear side of the top plate (2);
The vertical guide assembly comprises a sliding block (7), a guide rod a (8) and a moving plate (9), wherein the moving plate (9) is provided with a slideway b (901) which is vertically distributed and used for the sliding block (7) to slide, the guide rod a (8) is vertically arranged on the moving plate (9), and the sliding block (7) is slidably arranged on the guide rod a (8);
The synchronous adjusting mechanism comprises a motor a (10), a machine seat (101), a screw rod a (11), a screw rod nut a (111), a lifting table (12), a connecting component, a guide rod b (16), a bracket a (17), a top frame (44) and a transmission mechanism in transmission connection with the screw rod a (11) and a supporting plate (18), wherein the machine seat (101) is arranged on the machine seat (1), the motor a (10) is arranged on the machine seat (101), the motor a (10) is in driving connection with the screw rod a (11), the screw rod a (11) is vertically arranged, the screw rod a (11) is rotatably arranged on the top frame (44), the screw rod nut a (111) is in threaded connection with the screw rod a (11), the lifting table (12) is arranged on the screw rod nut a (111), the connecting component is symmetrically arranged in two groups, the connecting component comprises a connecting table a (13), a connecting rod (14) and a connecting table b (15), two ends of the connecting table a (13) are respectively in rotary connection with the connecting table a (13) and the connecting table b (15), the connecting table b (15) is arranged on the lifting table (12) in a sliding mode, the guide rod a (16) is arranged on the bottom of the guide rod (17) and the guide rod b is arranged on the bracket (17), the bracket a (17) and the top frame (44) are arranged at the bottom of the top plate (2), and the top plate (2) is provided with a slideway a (201) for the connecting table b (15) to slide;
The transmission mechanism comprises a gear a (19), a fixing frame (25) and two groups of transmission components which are distributed in parallel, wherein the transmission components comprise a gear b (20), a rotating barrel (21), a fixed barrel (22), a screw rod nut b (23), a screw rod b (24) and a top platform (26), the gear b (20) is coaxially arranged on the rotating barrel (21), the rotating barrel (21) is coaxially arranged on the fixed barrel (22), the fixed barrel (22) is arranged on the fixing frame (25), the fixing frame (25) is arranged on a machine base (101), the gear b (20) is coaxially connected with the screw rod nut b (23), the screw rod nut b (23) is in threaded connection with the screw rod b (24), the screw rod b (24) is vertically distributed, the screw rod b (24) penetrates through the fixing frame (25) and the top frame (44), the screw rod b (24) comprises a polished rod part which is slidably arranged on a top plate (2), the top end of the screw rod b (24) is connected with the top platform (26), the top platform (26) is arranged at the bottom of the top platform (18), the gear a (19) is coaxially arranged on the screw rod a (11), and the gear a (19) is coaxially meshed with the two groups of the gear b (19) in the transmission components.
2. A die laser welding apparatus according to claim 1, characterized in that a bracket b (29) is provided at the bottom of the pallet (18), a guide bar c (28) is horizontally provided on the bracket b (29), a connecting frame (27) is provided on the clamping plate (3), and the connecting frame (27) is horizontally slidably provided on the guide bar c (28).
3. The laser welding apparatus according to claim 1, wherein the driving mechanism comprises a motor b (31), a mounting frame (311), a screw rod c (32), a moving block (33), a slide rail (34), a moving cover (35), a gear c (37), a rotating shaft (38), a rack (39), a gear d (40), a mounting shaft (41) and a blade mechanism (42), the mounting frame (311) is arranged on a supporting frame (43), the motor b (31) is arranged on the mounting frame (311), the motor b (31) is in driving connection with the screw rod c (32), the screw rod c (32) is rotatably arranged on the mounting frame (311), the screw rod c (32) is in threaded connection with the moving block (33), the moving block (33) is horizontally arranged on a slide rail (34), the slide rail (34) is arranged on the mounting frame (311), the moving cover (35) is arranged on the moving block (33), the gear c (37) is arranged on the rotating shaft (38), the gear c (37) is simultaneously meshed with the gear d (40) and the rack (39) is horizontally arranged on the supporting frame (43), the gear c (40) is arranged on the mounting shaft (41) and the rack mechanism (41) is arranged horizontally, the mounting shaft (41) and the rotating shaft (38) are both rotatably arranged on the movable cover (35), and the laser welding head (36) is arranged on the movable cover (35).
4. A die laser welding method implemented using the die laser welding apparatus of claim 1, the welding method comprising the steps of:
s1, placing a die to be welded on a supporting plate (18);
S2, driving two groups of vertical guide assemblies to move oppositely through a synchronous adjusting mechanism and driving a supporting plate (18) to ascend, wherein the vertical guide assemblies drive clamping plates (3) to move through lifting plates (6), sliding rods (4) and springs (301), clamping a die by using the two clamping plates (3), and driving the die to move upwards through the supporting plate (18) until a region to be welded on the die reaches the height aligned by a laser welding head (36);
S3, driving the laser welding head (36) to move horizontally by the driving mechanism, and starting the laser welding head (36) to weld the die;
And S4, after welding is finished, the laser welding head (36) is closed, the two groups of vertical guide assemblies are driven to move away from each other and drive the supporting plate (18) to descend through the synchronous adjusting mechanism, the clamping of the die is relieved through the two clamping plates (3), and a worker takes down the die welded on the supporting plate (18).
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| CN115255691A (en) * | 2022-09-20 | 2022-11-01 | 钱建伟 | A fast clamping laser welding machine and clamping method |
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