CN113857668B

CN113857668B - Laser multi-beam composite temperature field welding device

Info

Publication number: CN113857668B
Application number: CN202111217768.0A
Authority: CN
Inventors: 王志伟; 刘俊; 彭文齐
Original assignee: Herolaser Intelligent Equipment Heyuan Co Ltd
Current assignee: Herolaser Intelligent Equipment Heyuan Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-15
Anticipated expiration: 2041-10-19
Also published as: CN113857668A

Abstract

The invention discloses a laser multi-beam composite temperature field welding device, and relates to the technical field of laser beam machining. This compound temperature field welding set of many restraints of laser, including laser transmitter, the beam splitting post is installed to laser transmitter's bottom, the outward appearance of beam splitting post is circular array and installs a plurality of clamping plates, clamping plates is used for hanging welding set wholly and sets for the position, the outward appearance of beam splitting post is circular array and clamps the crisscross a plurality of light pipes of installing of plate, through rotatory adjusting pin pole, utilizes the inseparable meshing interlock between rack wall and the wall tooth groove to and through the spacing of screw ring to ring arc wall cover, make ring arc wall cover wholly can move on the chassis board, thereby change the cage scope, carry out separation and shielding to the light pollution that laser welding produced.

Description

Laser multi-beam composite temperature field welding device

Technical Field

The invention relates to the technical field of laser beam processing, in particular to a laser multi-beam composite temperature field welding device.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing techniques. The 20 th century and the 70 th century are mainly used for welding thin-wall materials and low-speed welding, and the welding process belongs to a heat conduction type, namely, the surface of a workpiece is heated by laser radiation, the surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulses.

The laser multi-beam composite temperature field welding device in the market cannot separate and shield light pollution caused by laser welding and cannot preheat and bidirectionally radiate a bent pipe welding head, so that the laser multi-beam composite temperature field welding device is provided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a laser multi-beam composite temperature field welding device, which solves the problems that light pollution caused by laser welding cannot be blocked and shielded, and a bent pipe welding head cannot be preheated and bidirectionally radiated.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a laser multi-beam composite temperature field welding device comprises a laser transmitter, wherein a beam splitting column is installed at the bottom end of the laser transmitter, a plurality of clamping plates are installed on the outer surface of the beam splitting column in a circular array and used for hanging the whole welding device to set positions, a plurality of light guide pipes are installed on the outer surface of the beam splitting column in a circular array and staggered with the clamping plates, a sleeving cylinder is connected to the bottom end of each light guide pipe, a deep-melting polished rod is installed at the bottom end of the beam splitting column, an extending welding head is installed at the lower end of the deep-melting polished rod, an auxiliary welding structure is installed at the bottom end of the laser transmitter through the beam splitting column and the light guide pipes in a matched mode, an adjusting assembly is installed at the lower end of the auxiliary welding structure and comprises a flow splitting cylinder, a bottom frame plate is installed at the lower end of the flow splitting cylinder, and a protection plate assembly is installed at the upper end of the bottom frame plate close to the edge, the guard plate assembly comprises a pin adjusting rod;

the flow distributing cylinder comprises a hot flow pipe for conveying hot solution, a cold flow pipe is arranged on one side, away from the hot flow pipe, of the outer surface of the flow distributing cylinder, a circulation receiving hopper is arranged at the upper end of the flow distributing cylinder, and an annular arc wall cover is arranged on the side of the upper end of the bottom frame plate in a circular array;

the auxiliary welding structure comprises a first auxiliary welding part, a second auxiliary welding part is symmetrically arranged around the deep-melting polished rod about the first auxiliary welding part, and a third auxiliary welding part is arranged between the first auxiliary welding part and the second auxiliary welding part and on the front side of the deep-melting polished rod.

Preferably, the bottom ends of the hot flow pipe and the cold flow pipe are communicated with the inner side of the shunt cylinder, the circulating receiving bucket is communicated with the shunt cylinder, the rack wall is matched with the wall tooth groove in a matching mode, the hot flow pipe and the cold flow pipe are identical in structure, and the sleeving cylinder is movably mounted with the auxiliary welding structure through the circulating receiving bucket.

Preferably, a plurality of wall tooth sockets are formed in the surface of the inner side wall of the annular arc wall cover, a plurality of rack walls are mounted on the outer surface of the pin adjusting rod in a circular array, inserting holes are formed in the upper end of the bottom frame plate corresponding to the bottom end of the pin adjusting rod, the bottom end of the pin adjusting rod is movably hinged with the bottom frame plate through the inserting holes, and the pin adjusting rod can rotate around the central axis of the pin adjusting rod.

Preferably, the circular arc wall cover is installed through rack wall cooperation wall tooth's socket and chassis board meshing on the adjusting pin pole, the upper end surface intermediate position of chassis board is run through and has been seted up the round mouth, extend the bonding tool and run through the installation through round mouth and chassis board, the avris of chassis board is circular array and installs a plurality of hoisting rings, convenient and reposition of redundant personnel section of thick bamboo butt joint installation.

Preferably, the circulation connects the fill to be installed through reposition of redundant personnel section of thick bamboo and hoisting ring cooperation and chassis board combination, reposition of redundant personnel section of thick bamboo, hot current pipe, circulation connect fill and cold flow pipe to constitute adjusting part jointly, the upper end screw thread that the upper portion of adjusting pin pole just is located ring arc wall cover is installed threaded ring, ring arc wall cover is through threaded ring and adjusting pin pole cooperation and chassis board spacing installation, avoids ring arc wall cover to take place to rock.

Preferably, the tail-wagging welding assembly is all installed to the bottom of first supplementary welding, the second is assisted and is welded and the third is assisted, the bottom that the circulation was fought is linked together with the upper end of tail-wagging welding assembly, the tail-wagging welding assembly is including wholly being the return bend bonding tool of bending type, the tail end of return bend bonding tool all is located same axis with the bottom that extends the bonding tool, conveniently to the same position welding of being welded object.

Preferably, the outer surface of the elbow welding head is spirally wound with a rod winding pipe, one end of the rod winding pipe is communicated with the bottom end of the hot flow pipe, and the other end of the rod winding pipe is communicated with the bottom end of the cold flow pipe, so that the hot solution and the cooling liquid can be conveniently divided in two directions.

Preferably, the outer surface of the lower end of the extension welding head is in a circular array and is provided with a plurality of wall cutting grooves, the wall cutting grooves are matched with the annular arc wall cover in a matching mode, the annular arc wall cover is installed in a fitting mode with the extension welding head through the matching of the pin adjusting rod and the wall cutting grooves, the wall cutting grooves are in surface contact with the lower end of the extension welding head, and the contact area between the lower end of the extension welding head and air is enlarged.

(III) advantageous effects

The invention provides a laser multi-beam composite temperature field welding device which has the following beneficial effects:

the laser multi-beam composite temperature field welding device utilizes tight meshing linkage between the rack wall and the wall tooth groove and limits the annular arc wall cover through the threaded ring through the rotary adjusting pin rod, so that the annular arc wall cover can integrally move on the bottom frame plate, the range of the cage cover is changed, and light pollution generated by laser welding is blocked and shielded.

(II), this compound temperature field welding set of many restraints of laser, through the position of gathering together of rotatory adjustable ring arc wall cover on the chassis board, via the setting of closely laminating of wall cutting groove and ring arc wall cover lateral wall, can gather together the bottom avris at the extension bonding tool with multiunit ring arc wall cover, the ring arc wall cover is the face-to-face contact through the lower extreme that wall cutting groove and extension bonding tool, enlarge the area of contact of extension bonding tool lower extreme and air, conveniently extend the heat dispersion type in the bonding tool and reduce fever, shorten the local cooling time who extends the bonding tool.

The laser multi-beam composite temperature field welding device is integrally connected with the bottom frame plate through the hoisting ring, the sleeving barrel, the deep-melting polished rod and the bent pipe welding head are isolated while the horizontal support is provided for the auxiliary welding structure, the bent pipe welding head is prevented from being directly collided by external force, and the anti-collision protection is provided for the local part of the bent pipe welding head.

(IV), this compound temperature field welding set of laser multi-beam stream is through first supplementary welding, second supplementary welding and third supplementary welding with the deep melting polished rod as the center around the installation, via the supplementary welding cooperation between supplementary welding structure and the deep melting polished rod, carries out diversified common welding to the welding face, avoids vacancy and the crack phenomenon that the single-point welding of deep melting polished rod caused.

(five), this compound temperature field welding set of many restraints of laser, through carry hot solution in the heat flow pipe before using, via being the spiral around establishing the winding stem pipe at return bend bonding tool surface, can carry out laminating formula preheating treatment to the return bend bonding tool, the temperature shock during avoiding laser welding and cause the intensity reduction of return bend bonding tool, utilize the effective area of contact of winding stem pipe increase return bend bonding tool and air simultaneously, play supplementary radiating effect, in the use, when return bend bonding tool surface is overheated, accessible cold flow pipe carries the coolant liquid in to the winding stem pipe, take away partial heat, via the supplementary heat dissipation of return stem pipe, realize adjusting part to the two-way heat dissipation of return bend bonding tool.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of a portion of the adjusting assembly and shield assembly of the present invention;

FIG. 3 is a schematic view of a portion of the adjusting assembly of the present invention;

FIG. 4 is a schematic view of a portion of the shield assembly of the present invention;

FIG. 5 is a schematic view of an assembled structure of the fishtailing assembly and the auxiliary welding structure of the present invention;

fig. 6 is a schematic structural view of the butt-welded assembly and the deep-fused polish rod of the present invention.

In the figure: 1. a laser transmitter; 11. a beam splitting column; 12. clamping a plate; 13. a light pipe; 14. sleeving a cylinder; 15. deeply melting the polished rod; 2. extending the welding head; 21. welding the assembly by tail swinging; 22. a pipe bending welding head; 23. a rod winding tube; 24. wall cutting grooves; 3. a chassis plate; 31. hoisting a ring; 33. a round mouth; 34. a shunt cylinder; 35. a hot flow tube; 36. a loop receiving hopper; 37. a cold flow pipe; 38. a pin adjusting rod; 39. a rack wall; 40. a jack; 41. a threaded ring; 42. a circular arc wall cover; 43. a wall gullet; 4. first auxiliary welding; 5. second auxiliary welding; 6. and thirdly, auxiliary welding.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a laser multi-beam composite temperature field welding device comprises a laser transmitter 1, wherein a beam splitting column 11 is installed at the bottom end of the laser transmitter 1, a plurality of clamping plates 12 are installed on the outer surface of the beam splitting column 11 in a circular array, the clamping plates 12 are used for hanging and setting positions of the whole welding device, a plurality of light guide pipes 13 are installed on the outer surface of the beam splitting column 11 in a circular array and are staggered with the clamping plates 12, a sleeving cylinder 14 is connected to the bottom end of each light guide pipe 13, a deep melting polished rod 15 is installed at the bottom end of the beam splitting column 11, an extending welding head 2 is installed at the lower end of the deep melting polished rod 15, an auxiliary welding structure is installed at the bottom end of the laser transmitter 1 through the beam splitting column 11 and the light guide pipes 13 in a matching mode, an adjusting assembly is installed at the lower end of the auxiliary welding structure and comprises a flow splitting cylinder 34, a bottom frame plate 3 is installed at the lower end of the flow splitting cylinder 34, a protection plate assembly is installed at the position, which is close to the edge, and comprises a pin adjusting rod 38; the shunting cylinder 34 comprises a hot flow pipe 35 used for conveying hot solution, a cold flow pipe 37 is installed on one side, away from the hot flow pipe 35, of the outer surface of the shunting cylinder 34, a circulation receiving bucket 36 is installed at the upper end of the shunting cylinder 34, and an annular arc wall cover 42 is installed on the side of the upper end of the bottom frame plate 3 in a circular array; the bottom ends of the hot flow pipe 35 and the cold flow pipe 37 are communicated with the inner side of the shunt cylinder 34, the circulation receiving hopper 36 is communicated with the shunt cylinder 34, the rack wall 39 is matched with the wall tooth space 43 in a matching way, the hot flow pipe 35 and the cold flow pipe 37 have the same structure, and the sleeving cylinder 14 is movably installed with an auxiliary welding structure through the circulation receiving hopper 36; the inner side wall surface of the annular arc wall cover 42 is provided with a plurality of wall tooth grooves 43, the outer surface of the pin adjusting rod 38 is provided with a plurality of tooth bar walls 39 in a circular array, the upper end of the bottom frame plate 3 corresponding to the bottom end of the pin adjusting rod 38 is provided with an insertion hole 40, and the bottom end of the pin adjusting rod 38 is movably hinged with the bottom frame plate 3 through the insertion hole 40; the annular arc wall cover 42 is meshed with the bottom frame plate 3 through a rack wall 39 on the pin adjusting rod 38 and a wall tooth groove 43, a round opening 33 is formed in the middle of the upper end surface of the bottom frame plate 3 in a penetrating mode, the extending welding head 2 is installed with the bottom frame plate 3 in a penetrating mode through the round opening 33, and a plurality of hoisting rings 31 are installed on the side of the bottom frame plate 3 in a circular array mode; the circulation receiving bucket 36 is matched with the bottom frame plate 3 through the shunt cylinder 34 and the hoisting ring 31 to be assembled, the shunt cylinder 34, the hot flow pipe 35, the circulation receiving bucket 36 and the cold flow pipe 37 jointly form an adjusting assembly, the upper part of the pin adjusting rod 38 is positioned at the upper end of the circular arc wall cover 42, the threaded ring 41 is installed in a threaded mode, and the circular arc wall cover 42 is in limited installation with the bottom frame plate 3 through the matching of the threaded ring 41 and the pin adjusting rod 38.

During operation, the adjusting pin rod 38 is rotated, the rack wall 39 and the wall tooth groove 43 are tightly meshed and interlocked, and the annular arc wall cover 42 is limited by the threaded ring 41, so that the annular arc wall cover 42 can integrally move on the bottom frame plate 3, the range of the cage cover is changed, and light pollution generated by laser welding is blocked and shielded;

by rotating the gathering position of the annular wall cover 42 on the underframe plate 3 and by the close fit arrangement of the side walls of the wall-cutting groove 24 and the annular wall cover 42, a plurality of groups of annular wall covers 42 can be gathered on the bottom edge side of the extension welding head 2, the annular wall cover 42 is in surface-to-surface contact with the lower end of the extension welding head 2 through the wall-cutting groove 24, the contact area of the lower end of the extension welding head 2 and air is enlarged, the distributed heat reduction of heat in the extension welding head 2 is facilitated, and the local cooling time of the extension welding head 2 is shortened;

the hoisting ring 31 and the chassis plate 3 are connected to form a whole, so that the sleeving cylinder 14 and the deep-melting polished rod 15 are isolated from the elbow welding head 22 while the horizontal support is provided for the auxiliary welding structure, the elbow welding head 22 is prevented from being directly collided by external force, and the anti-collision protection is provided for the local part of the elbow welding head 22.

As shown in fig. 5-6, the auxiliary welding structure includes a first auxiliary welding 4, second auxiliary welding 5 is symmetrically installed around the deep-melting polished rod 15 with respect to the first auxiliary welding 4, and a third auxiliary welding 6 is installed between the first auxiliary welding 4 and the second auxiliary welding 5 and on the front side of the deep-melting polished rod 15; the bottom ends of the first auxiliary welding 4, the second auxiliary welding 5 and the third auxiliary welding 6 are all provided with a tail swinging welding assembly 21, the bottom end of the circulating receiving hopper 36 is communicated with the upper end of the tail swinging welding assembly 21, the tail swinging welding assembly 21 comprises a bent pipe welding head 22 which is integrally bent, and the tail end of the bent pipe welding head 22 and the bottom end of the extending welding head 2 are all positioned on the same central axis; the outer surface of the pipe bending welding head 22 is spirally wound with a rod winding pipe 23, one end of the rod winding pipe 23 is communicated with the bottom end of the hot flow pipe 35, and the other end of the rod winding pipe 23 is communicated with the bottom end of the cold flow pipe 37; the outer surface of the lower end of the extension welding head 2 is provided with a plurality of wall cutting grooves 24 in a circular array, the wall cutting grooves 24 are matched with the annular wall cover 42 in a matching mode, and the annular wall cover 42 is installed in a fit mode with the extension welding head 2 through the matching of the pin adjusting rod 38 and the wall cutting grooves 24.

When the device works, the first auxiliary welding device 4, the second auxiliary welding device 5 and the third auxiliary welding device 6 are installed around the deep-melting polished rod 15 as the center, and the auxiliary welding structure is matched with the deep-melting polished rod 15 in an auxiliary welding manner to carry out multi-directional common welding on a welding surface, so that the phenomena of vacancy and leakage caused by single-point welding of the deep-melting polished rod 15 are avoided;

through carry hot solution in the preceding hot flow tube 35 of using, via being the spiral around establishing at the winding stem pipe 23 of return bend bonding tool 22 surface, can carry out laminating formula pre-heating to return bend bonding tool 22, the temperature shock when avoiding laser welding causes the intensity reduction of return bend bonding tool 22, utilize the effective area of contact of return bend bonding tool 22 and air of winding stem pipe 23 increase simultaneously, play supplementary radiating effect, in the use, when return bend bonding tool 22 surface is overheated, accessible cold flow pipe 37 is to carrying the coolant liquid in the winding stem pipe 23, take away partial heat, via the supplementary heat dissipation of winding stem pipe 23, realize adjusting part to the two-way heat dissipation of return bend bonding tool 22.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound temperature field welding set of many restraints of laser, includes laser emitter (1), beam splitting post (11) are installed to the bottom of laser emitter (1), the surface of beam splitting post (11) is circular array and installs a plurality of chucking boards (12), chucking board (12) are used for hanging welding set wholly and set for the position, the surface of beam splitting post (11) is circular array and chucking board (12) crisscross a plurality of light pipe (13) of installing, the bottom of light pipe (13) is connected with a suit section of thick bamboo (14), deep melting polished rod (15) are installed to the bottom of beam splitting post (11), its characterized in that: an extension welding head (2) is installed at the lower end of the deep melting polished rod (15), an auxiliary welding structure is installed at the bottom end of the laser transmitter (1) through a beam splitting column (11) and a light guide pipe (13) in a matched mode, an adjusting assembly is installed at the lower end of the auxiliary welding structure and comprises a shunting cylinder (34), a bottom frame plate (3) is installed at the lower end of the shunting cylinder (34), a protection plate assembly is installed at the position, close to the edge, of the upper end of the bottom frame plate (3), and the protection plate assembly comprises a pin adjusting rod (38);

the flow distribution cylinder (34) comprises a hot flow pipe (35) used for conveying hot solution, a cold flow pipe (37) is installed on one side, away from the hot flow pipe (35), of the outer surface of the flow distribution cylinder (34), a circulation receiving hopper (36) is installed at the upper end of the flow distribution cylinder (34), and an annular arc wall cover (42) is installed on the side of the upper end of the bottom frame plate (3) in a circular array;

and the auxiliary welding structure comprises a first auxiliary welding part (4), the periphery of the deep-melting polished rod (15) is symmetrically provided with a second auxiliary welding part (5) relative to the first auxiliary welding part (4), and the front side of the first auxiliary welding part (4) and the second auxiliary welding part (5) which are positioned between the deep-melting polished rod (15) is provided with a third auxiliary welding part (6).

2. The laser multi-beam composite temperature field welding device according to claim 1, characterized in that: the inner side wall surface of the annular arc wall cover (42) is provided with a plurality of wall tooth sockets (43), the outer surface of the pin adjusting rod (38) is provided with a plurality of tooth rack walls (39) in a circular array, the upper end of the bottom frame plate (3) corresponding to the bottom end of the pin adjusting rod (38) is provided with a jack (40), and the bottom end of the pin adjusting rod (38) is movably hinged with the bottom frame plate (3) through the jack (40);

the bottom ends of the hot flow pipe (35) and the cold flow pipe (37) are communicated with the inner side of the shunting cylinder (34), the circulating current receiving hopper (36) is communicated with the shunting cylinder (34), the rack wall (39) is matched with the wall tooth grooves (43) in a matching mode, the hot flow pipe (35) and the cold flow pipe (37) are identical in structure, and the sleeving cylinder (14) is movably mounted with the auxiliary welding structure through the circulating current receiving hopper (36).

3. The laser multi-beam composite temperature field welding device according to claim 2, characterized in that: ring arc wall cover (42) cooperate wall tooth's socket (43) and chassis board (3) meshing installation through rack wall (39) on adjusting pin pole (38), the upper end surface intermediate position of chassis board (3) is run through and has been seted up round mouth (33), extend bonding tool (2) and run through the installation through round mouth (33) and chassis board (3), the avris of chassis board (3) is circular array and installs a plurality of hoisting rings (31).

4. The laser multi-beam composite temperature field welding device according to claim 3, characterized in that: circulation connects fill (36) to constitute adjusting part through reposition of redundant personnel section of thick bamboo (34) and hoisting ring (31) cooperation and bottom plate board (3) aggregate erection, reposition of redundant personnel section of thick bamboo (34), hot flow tube (35), circulation connect fill (36) and cold flow tube (37) jointly, the upper end screw thread that just is located ring arc wall cover (42) on the upper portion of adjusting pin pole (38) installs screw ring (41), ring arc wall cover (42) are through screw ring (41) and adjusting pin pole (38) cooperation and bottom plate board (3) spacing installation.

5. The laser multi-beam composite temperature field welding device according to claim 4, characterized in that: first supplementary welding (4), the second is assisted and is welded (5) and the third is assisted and all install pendulum tail welding subassembly (21) to the bottom of welding (6), the bottom that the circulation was fought (36) is linked together with the upper end of pendulum tail welding subassembly (21), pendulum tail welding subassembly (21) is including whole return bend bonding tool (22) that is the type of buckling, the tail end of return bend bonding tool (22) all is located same axis with the bottom that extends bonding tool (2).

6. The laser multi-beam composite temperature field welding device according to claim 5, characterized in that: the outer surface of the elbow welding head (22) is spirally wound with a rod winding pipe (23), one end of the rod winding pipe (23) is communicated with the bottom end of the hot flow pipe (35), and the other end of the rod winding pipe (23) is communicated with the bottom end of the cold flow pipe (37).

7. The laser multi-beam composite temperature field welding device according to claim 6, characterized in that: the outer surface of the lower end of the extension welding head (2) is in a circular array, and is provided with a plurality of wall cutting grooves (24), the wall cutting grooves (24) are matched with the annular arc wall cover (42) in a matching mode, and the annular arc wall cover (42) is matched with the extension welding head (2) through a pin adjusting rod (38) and the wall cutting grooves (24) and is attached and installed.