CN112548331B - Laser automatic welding production line and method for heating water jacket - Google Patents
Laser automatic welding production line and method for heating water jacket Download PDFInfo
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- CN112548331B CN112548331B CN202011356820.6A CN202011356820A CN112548331B CN 112548331 B CN112548331 B CN 112548331B CN 202011356820 A CN202011356820 A CN 202011356820A CN 112548331 B CN112548331 B CN 112548331B
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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
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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
- B23K26/60—Preliminary treatment
-
- 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
-
- 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
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention designs a laser automatic welding production line and a laser automatic welding production method for a heating water jacket. The technical scheme is as follows: the automatic water jacket clamping device comprises a first chain plate conveyor for conveying a water jacket inner container and a second chain plate conveyor for conveying a water jacket outer container, wherein a laser welding assembly and a rotary displacement device are arranged between the first chain plate conveyor and the second chain plate conveyor, a workbench of the rotary displacement device is provided with an automatic water jacket clamping tool, and the rotary displacement device can drive the automatic water jacket clamping tool to rotate. The water jacket automatic clamping tool can automatically fix the complex and special structure of the water jacket firmly, so that the labor and the force are saved, and the stability is good. The water jacket automatic clamping tool is automatically driven to rotate through the rotary displacement device, a working face needing to be welded is changed, subsequent welding work is facilitated, and workers are replaced to move. Realize the automatic welding of heating installation water jacket through the laser welding subassembly, replace traditional manual work to weld the water jacket, avoid the welding quality problem that artificial reason can cause, improve work efficiency by a wide margin.
Description
Technical Field
The invention relates to the technical field of heating water jacket welding, in particular to a laser automatic welding production line and a laser automatic welding method for a heating water jacket.
Background
The water jacket for the municipal heating gas in the attached figure 7 comprises an inner container and an outer container, wherein the outer container needs to be welded and fixed outside the inner container, and the water jacket for the heating gas is manually welded at present.
The positions of the liner needing to be welded comprise the welding of the seams between the left and right steel plates and the front steel plate; welding the joints between the two circular tubes penetrating through the inner container and the steel plates at the front side and the rear side; and welding the seam between the side steel plate and the peripheral bottom plate.
The structure of outer courage includes inside pipe, square pipe to and be located the connecting plate at pipe, square pipe upper and lower both ends, still include the three steel sheet of the left and right, rear side that is connected with the connecting plate, plus a steel sheet of front side. The position of the water jacket outer container needing welding comprises welding of the upper end and the lower end of a circular pipe and a square pipe with the joint between an upper connecting plate and a lower connecting plate, welding of the joint between the connecting plates and a left side plate, a right side plate and a rear side plate, and welding of the joint between a left side steel plate, a right side steel plate and a front side steel plate.
When the water jacket inner container and the outer container are welded together, the positions needing welding comprise full welding of seams between the left and right steel plates of the outer container and the peripheral bottom plate of the inner container; the full-welding of the seams between the front steel plate of the outer container and the front steel plate of the inner container also comprises full-welding of the seams between all the side steel plates of the inner container and the connecting plates of the outer container, the left steel plate, the right steel plate and the front steel plate.
And the water jacket for heating installation municipal administration heating of above-mentioned structure all is manual welding at present, and work efficiency is lower like this, and is higher relatively to welder's technical requirement, and the artificial reason still can cause welding quality problem, and along with artificial wage is higher and higher, the profit of commodity is lower and lower more and more, all just need the machine to replace the manual work, realize heating installation water jacket's automatic welding. And the complex special structure that current anchor clamps can't be automatic fixed water jacket has the tight problem that influences work efficiency consuming time of clamp, stability is not good.
Therefore, according to the problems, the automatic laser welding production line and the automatic laser welding production method for the heating water jacket are provided, the automatic welding of the water jacket is achieved to a large extent, the complicated and special structure of the water jacket is fixed firmly, the working efficiency is improved, and the quality problem is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a heating water jacket laser automatic welding production line and a method, which can solve the technical problem.
The technical scheme of the invention is as follows:
the heating water jacket laser automatic welding production line comprises a first chain plate conveyor and a second chain plate conveyor, wherein the first chain plate conveyor is used for conveying a water jacket inner container, the second chain plate conveyor is used for conveying a water jacket outer container, a laser welding assembly and a rotary displacement device are arranged between the first chain plate conveyor and the second chain plate conveyor, a water jacket automatic clamping tool is installed on a workbench of the rotary displacement device, and the rotary displacement device can drive the water jacket automatic clamping tool to rotate. The water jacket is conveyed by the chain plate conveyor, so that the labor is saved efficiently, the complex and special structure of the water jacket can be fixed firmly automatically by the automatic water jacket clamping tool, the automation degree is high, the labor and the force are saved, and the positioning precision and the stability are improved. The water jacket automatic clamping tool is automatically driven to rotate through the rotary displacement device, a working face needing to be welded is changed, subsequent welding work is facilitated, workers are replaced to move, and the working efficiency is improved. Realize heating installation water jacket automatic weld through the laser welding subassembly, replace traditional manual work to weld the water jacket, just also avoided the welding quality problem that artificial reason can cause, guarantee welding quality stable, improved product quality, can also improve work efficiency by a wide margin.
The invention further improves that the automatic water jacket clamping tool comprises a rack, wherein a vertical pressing assembly is arranged on the rack, and horizontal moving positioning mechanisms are arranged on the rack and positioned at two sides of the vertical pressing assembly; the horizontal movement positioning mechanisms comprise L-shaped connecting pieces, an upper clamping portion and a lower clamping portion are respectively arranged on one side, close to the vertical pressing assembly, of two end portions of each connecting piece, linear guide rails are mounted on the rack, sliders capable of being matched with the linear guide rails are fixed on the connecting pieces, two groups of main driving assemblies are arranged and are respectively connected with the connecting pieces of the two horizontal movement positioning mechanisms, the main driving assemblies are arranged on the rack and can drive the two horizontal movement positioning mechanisms to be close to or far away from each other; the vertical pressing assembly comprises a driving device and a pressing piece, the size of the pressing piece is matched with the size of a gap between two round pipes in the inner container of the water jacket to be positioned, the driving device is installed on the rack, the pressing piece is connected with the driving device, and the driving device can drive the pressing piece to lift and rotate. The fixing of the two sides of the water jacket is completed through a horizontal moving positioning mechanism of the automatic water jacket clamping tool, the upper clamping portion and the lower clamping portion are matched with and clamp the surrounding plate walls of the water jacket, namely the fixing in the horizontal direction of the two sides, the vertical direction pressing of the middle of the water jacket is realized by matching with a vertical pressing assembly in a rotating and lifting mode, and finally the complex and special structure of the automatic clamping water jacket is realized, so that the matching degree is high, and the stability is good. Because there are two pipe structures that are parallel to each other in the water jacket inside, there is the space between two pipe, drives through drive arrangement and compresses tightly a lift and rotation, goes the cooperation and compresses tightly water jacket inner structure to play the fixed effect that compresses tightly of vertical direction. The compressing part can smoothly shuttle between the two round pipes in the inner container, and the compressing function of lifting and rotating can be smoothly realized.
The invention is further improved in that the connecting piece comprises an L-shaped frame and cylinder seats fixed at the upper end and the lower end of the L-shaped frame, the upper clamping part and the lower clamping part are respectively arranged on the cylinder seats at the upper end and the lower end, and a sliding block is fixed on the cylinder seats; the rack comprises a bottom frame, a limiting plate is arranged in the middle of the top of the bottom frame, and mounting frames are fixed on two sides of the bottom frame; the mounting bracket includes the side board and fixes two guide rail seats at both ends about the side board, the side board is fixed in the both sides of chassis, all is provided with linear guide on every guide rail seat. The connecting piece and the rack are simple in structure, stable and reliable, and the limiting plate limits the downward position of the water jacket and provides a stable placing platform.
The invention further improves the structure that the driving device is a rotary lifting cylinder, the fixed end of the rotary lifting cylinder is arranged on the limiting plate, the extending end of the rotary lifting cylinder is used for fixing the pressing piece, and the rotary lifting cylinder can drive the pressing piece to lift and rotate. Because there are two parallel tubular structures in the water jacket inner bag inside, there is the space between two tubular structures, drive through rotatory lift cylinder and compress tightly the function that the piece realized going up and down and rotate, play the fixed effect of compressing tightly of vertical direction.
The invention further improves the structure that the main driving assembly comprises a servo motor, the servo motor is connected with a lead screw through a coupler, the servo motor and the lead screw are arranged on the bottom frame, a nut is arranged on the lead screw, and a connecting piece is fixed with the nut, so that the servo motor can drive the connecting piece to slide along a linear guide rail.
The invention further improves the structure that the upper clamping part and the lower clamping part are the same and respectively comprise a rotary air cylinder, the fixed end of the rotary air cylinder is fixedly arranged on a cylinder base, the rotary end of the rotary air cylinder is fixedly provided with a first pressing plate, the rotary air cylinder can drive the first pressing plate to rotate, and the end part of the cylinder base is fixedly provided with a second pressing plate which can be matched with the first pressing plate. The first pressing plate is rotated through the rotary air cylinder, and the position of the second pressing plate is matched to complete subsequent clamping. The water jacket is also prevented from being interfered when the water jacket is fixed and loosened in a mode of changing one position of the pressing plate through rotation, and the water jacket is conveniently and smoothly taken down or fixed. The servo motor is matched for driving, so that the upper clamping part and the lower clamping part on two sides move, and the plate walls on the periphery of the water jacket are matched and clamped.
The invention further improves the device, and the rotary position changing device also comprises a base and a chuck, wherein a first support and a second support are respectively arranged at two ends of the base, a power bin is arranged at the top end of the first support, a motor is arranged in the power bin, one end of a workbench is connected with the chuck, the chuck is connected with the driving end of the motor, and the other end of the workbench is rotatably arranged on the second support through a bearing. The water jacket automatic clamping tool is driven to rotate through the rotary displacement device, a working face needing to be welded is changed, workers are replaced to move, the working efficiency is improved, and subsequent welding work is facilitated. The motor provides power to drive the chuck to rotate, and the workbench is connected with the chuck, so that the rotation of the automatic water jacket clamping tool on the workbench is finally realized.
The laser welding assembly comprises a power device, a host and a support, wherein the power device is connected with the host, a multi-shaft mechanical arm is mounted on the support, a laser head is mounted at the tail end of the multi-shaft mechanical arm and connected with the host through an optical fiber, a control signal is transmitted through the optical fiber, and the multi-shaft mechanical arm is driven by the power device to move. The laser head is driven by a multi-shaft mechanical hand of the laser welding assembly, and automatic welding of the heating water jacket is achieved. The water jacket is welded by replacing the traditional manual welding water jacket, so that the problem of welding quality caused by manual reasons is avoided, the working efficiency is greatly improved, and the subsequent welding work is facilitated.
The invention further improves that the automatic laser welding production line for the heating water jacket comprises two groups which are symmetrically arranged.
A laser automatic welding method for a heating water jacket comprises the following steps:
s1, manually spot-welding, splicing and fixing all components of the water jacket liner together to finish primary forming of the water jacket liner;
s2, placing the water jacket inner container subjected to spot welding through a mechanical handle on a first chain plate conveyor, and driving the water jacket inner container to be conveyed to the front of the rotary displacement device by the first chain plate conveyor;
s3, taking the water jacket liner from the first chain plate conveyor through a manipulator, placing the water jacket liner on an automatic water jacket clamping tool on a rotary displacement device, and clamping the preliminarily formed water jacket liner through the automatic water jacket clamping tool;
s4, rotating the water jacket liner through a rotary displacement device to adjust the angle of the water jacket liner, driving a laser head by a multi-shaft manipulator to automatically perform comprehensive welding on all positions of the water jacket liner to be welded, and automatically clamping and loosening the water jacket after the water jacket liner is completely welded;
s5, manually spot-welding, splicing and fixing all the components of the water jacket outer liner together to finish the primary forming of the water jacket outer liner;
s6, placing the water jacket outer container subjected to spot welding through a mechanical handle onto a second chain plate conveyor for conveying the water jacket outer container, and driving the water jacket outer container to be conveyed to the front of the rotary displacement device by the second chain plate conveyor;
s7, taking the water jacket outer liner from the second chain plate conveyor by a mechanical handle, placing the water jacket outer liner on a water jacket inner liner on an automatic water jacket clamping tool, and clamping and fixing the water jacket outer liner and the water jacket inner liner together by the automatic water jacket clamping tool;
and S8, driving a laser head by a multi-shaft manipulator, completing welding of the positions needing full welding on each surface of the outer water jacket liner by matching with a rotary displacement device, and welding the outer water jacket liner and the inner water jacket liner together.
The invention has the advantages of making up the defects of the prior art and realizing the automatic welding of the water jacket. The water jacket is transported by the chain plate conveyor, so that the efficiency and the labor are saved. The water jacket automatic clamping tool can automatically fix the complex and special structure of the water jacket firmly, has high automation degree, saves labor and time, and improves positioning precision and stability. The water jacket automatic clamping tool is automatically driven to rotate through the rotary displacement device, a working face needing to be welded is changed, subsequent welding work is facilitated, workers are replaced to move, and the working efficiency is improved. Realize heating installation water jacket automatic weld through the laser welding subassembly, replace traditional manual work to weld the water jacket, just also avoided the welding quality problem that artificial reason can cause, guarantee welding quality stable, improved product quality, can also improve work efficiency by a wide margin.
In addition, the invention has the advantages of novel design, simple structure, convenient disassembly, low modification cost, high safety coefficient, high cost performance and huge market demand.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of an automatic laser welding production line for heating water jackets according to an embodiment of the invention.
Fig. 2 is a schematic perspective view of an automatic water jacket clamping tool according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a rotary displacement device according to an embodiment of the present invention.
Fig. 4 is an assembly view of a rotary displacement device, a laser welding assembly and a water jacket automatic clamping tool according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of an outer bladder of a water jacket according to an embodiment of the present invention.
FIG. 6 is an enlarged partial view of the water jacket liner clamped in accordance with the preferred embodiment of the present invention.
Fig. 7 is a general assembly view of a water jacket according to an embodiment of the present invention.
In the figure, 1, an underframe, 2, a limiting plate, 3, a mounting rack, 4, a linear guide rail, 5, a sliding block, 6, a servo motor, 7, a coupler, 8, a lead screw, 9, a nut, 10, a connecting piece, 11, an inner container, 12, a rotary cylinder, 13, a first pressing plate, 14, a second pressing plate, 15, a rotary lifting cylinder, 16, a pressing piece, 17, a side plate, 18, a guide rail seat, 19, an L-shaped frame, 20, a cylinder seat, 21, an upper clamping part, 22, a lower clamping part, 23, a water jacket automatic clamping tool, 24, a rotary displacement device, 25, a base, 26, a chuck, 27, a first support, 28, a second support, 29, a power bin, 30, a motor, 31, a workbench, 32, a multi-shaft manipulator, 33, a chain plate, 34, a support, 35, an optical fiber, 36, a first conveyor, 37, a second conveyor, 38, an outer container, 39 and a round tube.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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.
The following explains key terms appearing in the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the invention it is to be noted that the terms "mounted", "connected" and "connected" are to be construed broadly unless expressly stated or limited otherwise. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be directly connected to each other, indirectly connected to each other through an intermediate member, or connected to each other through the inside of two members. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in the figure, the heating water jacket laser automatic welding production line comprises a first chain plate conveyor 36 used for conveying a water jacket inner container 11 and a second chain plate conveyor 37 used for conveying a water jacket outer container 38, a laser welding assembly and a rotary displacement device 24 are arranged between the first chain plate conveyor 36 and the second chain plate conveyor 37, a water jacket automatic clamping tool 23 is installed on a workbench 31 of the rotary displacement device 24, and the rotary displacement device 24 can drive the water jacket automatic clamping tool 23 to rotate.
The laser welding assembly comprises a power device, a host and a support 34, the power device is connected with the host, a multi-axis manipulator 32 is installed on the support 34, a laser head 33 is installed at the tail end of the multi-axis manipulator 32, the laser head 33 is connected with the host through an optical fiber 35, control signals are transmitted through the optical fiber 35, and the multi-axis manipulator 32 is driven by the power device to move.
The rotary displacement device 24 comprises a base 25, a chuck 26 and a workbench 31, wherein a first support 27 and a second support 28 are respectively arranged at two ends of the base 25, a power bin 29 is arranged at the top end of the first support 27, a motor 30 is arranged in the power bin 29, one end of the workbench 31 is connected with the chuck 26, the chuck 26 is connected with the driving end of the motor 30, and the other end of the workbench 31 is rotatably arranged on the second support 28 through a bearing.
The water jacket automatic clamping tool 23 comprises a rack, the rack comprises a bottom frame 1 at the bottom and mounting frames 3 fixed at two ends of the bottom frame 1, and horizontal moving positioning mechanisms are mounted on the two sets of mounting frames 3. The mounting bracket 3 comprises a side plate 17 and two guide rail seats 18 fixed at the upper end and the lower end of the side plate 17, the side plate 17 is fixed at two sides of the underframe 1, each guide rail seat 18 is provided with a linear guide rail 4, a slide block 5 matched with the linear guide rail 4 is slidably mounted on the linear guide rail 4, the slide block 5 is fixed on the connecting seat 10 of the L-shaped bracket, the connecting part 10 of the L-shaped bracket specifically comprises an L-shaped bracket 19 and cylinder seats 20 fixed at the upper end and the lower end of the L-shaped bracket 19, the slide block 5 is fixed on the cylinder seat 20, and an upper clamping part 21 and a lower clamping part 22 are respectively mounted on the cylinder seats 20 at the upper end and the lower end. A limiting plate 2 is fixed in the middle of the top of the underframe 1, the fixed end of a rotary lifting cylinder 15 is installed on the limiting plate 2, a pressing part 16 is fixed on the extending end of the rotary lifting cylinder 15, the size of the pressing part 16 is matched with the size of a gap between two round tubes 39 inside the water jacket liner 11 to be positioned, the rotary lifting cylinder 15 can drive the pressing part 16 to lift, and the pressing part 16 can also be driven to rotate around the center of the extending end of the rotary lifting cylinder 15.
The main driving assembly comprises a servo motor 6, the servo motor 6 is fixedly installed on the bottom frame 1, the servo motor 6 is connected with a lead screw 8 through a coupler 7, one end, far away from the servo motor 6, of the lead screw 8 is fixed on the bottom frame 1, and a cushion pad is further installed at the end of the lead screw. The screw 8 is provided with a nut 9, the servo motor 6 can drive the nut 9 to move on the screw 8, and the nut 9 is fixed with the L-shaped frame 19, so that the connecting piece 10 can slide on the mounting frame 3 along the linear guide rail 4.
The upper clamping portion 21 and the lower clamping portion 22 are identical in structure and respectively comprise a rotary air cylinder 12, a first pressing plate 13 and a second pressing plate 14, the fixed end of the rotary air cylinder 12 is fixedly mounted on the cylinder base 20, the rotary end of the rotary air cylinder 12 faces the side of the rotary lifting air cylinder 15, the first pressing plate 13 is fixed at the rotary end, the second pressing plate 14 is fixed at one end, close to the rotary lifting air cylinder 15, of the cylinder base 20, and the rotary air cylinder 12 can drive the first pressing plate 13 to rotate, so that the first pressing plate 13 can be matched with the second pressing plate 14.
The chain plate conveyor I36 and the chain plate conveyor II 37 are identical in structure and specifically comprise a conveying rack, a conveying belt, a driving gear, a driven gear and a driving motor are arranged on the conveying rack, the driving gear and the driven gear form a closed loop through the conveying belt, the driving motor is connected with the driving gear to drive the conveying belt to run, and the conveying belt is formed by connecting a plurality of chain plates in series.
The automatic laser welding method for the heating water jacket based on the automatic laser welding production line for the heating water jacket comprises the following steps of:
s1, manually spot-welding, splicing and fixing all components of a water jacket inner container 11 together to finish primary forming of the water jacket inner container 11;
s2, the water jacket liner 11 subjected to spot welding through a mechanical handle is placed on a first chain plate conveyor 36, and the first chain plate conveyor 36 drives the water jacket liner 11 to be conveyed to the front of the rotary displacement device 24;
s3, the water jacket liner 11 is taken up from a first chain plate conveyor 36 through a manipulator and placed on an automatic water jacket clamping tool 23 on a rotary displacement device 24, and the automatic water jacket clamping tool 23 clamps the preliminarily formed water jacket liner 11;
s4, rotating the water jacket liner 11 to adjust the angle through the rotary displacement device 24, driving the laser head 33 to automatically and comprehensively weld all positions of the water jacket liner 11 to be welded by the multi-shaft manipulator 32, and loosening the water jacket automatic clamping tool 23 after the water jacket liner 11 is completely welded;
s5, manually spot-welding and splicing all the components of the water jacket outer liner 38 together to finish the primary forming of the water jacket outer liner 38;
s6, the water jacket outer liner 38 subjected to spot welding through a mechanical handle is placed on a second chain plate conveyor 37 for conveying the water jacket outer liner 38, and the second chain plate conveyor 37 drives the water jacket outer liner 38 to be conveyed to the front of the rotary displacement device 24;
s7, taking the water jacket outer liner 38 up from the second chain plate conveyor 37 through a mechanical handle, placing the water jacket outer liner on the water jacket inner liner 11 on the water jacket automatic clamping tool 23, and clamping and fixing the water jacket outer liner 38 and the water jacket inner liner 11 together through the water jacket automatic clamping tool 23;
s8, the multi-shaft manipulator 32 drives the laser head 33 to complete welding of the full-welded positions on all surfaces of the water jacket outer liner 38 by matching with the rotary displacement device 24, and the water jacket outer liner 38 and the water jacket inner liner 11 are welded together.
The automatic water jacket clamping device has the advantages that the defects of the prior art are overcome, the complicated and special structure of the water jacket can be automatically and firmly fixed through the automatic water jacket clamping tool 23, the automation degree is high, labor and force are saved, and the positioning precision and the stability are improved. The water jacket automatic clamping tool 23 is automatically driven to rotate through the rotary displacement device 24, a working face needing to be welded is changed, subsequent welding work is facilitated, workers are replaced to move, and the working efficiency is improved. Realize heating installation water jacket automatic weld through the laser welding subassembly, replace traditional manual work to weld the water jacket, just also avoided the welding quality problem that artificial reason can cause, guarantee welding quality stable, improved product quality, can also improve work efficiency by a wide margin.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A heating water jacket laser automatic welding production line is characterized by comprising a first chain plate conveyor (36) used for conveying a water jacket inner container (11) and a second chain plate conveyor (37) used for conveying a water jacket outer container (38), wherein a laser welding assembly and a rotary displacement device (24) are arranged between the first chain plate conveyor (36) and the second chain plate conveyor (37), a water jacket automatic clamping tool (23) is installed on a workbench (31) of the rotary displacement device (24), and the rotary displacement device (24) can drive the water jacket automatic clamping tool (23) to rotate;
the automatic water jacket clamping tool (23) comprises a rack, wherein a vertical pressing assembly is mounted on the rack, and horizontal moving positioning mechanisms are arranged on the rack and positioned on two sides of the vertical pressing assembly; the horizontal movement positioning mechanism comprises an L-shaped connecting piece (10), an upper clamping part (21) and a lower clamping part (22) are respectively arranged on one side, close to the vertical pressing assembly, of two end parts of the connecting piece (10), a linear guide rail (4) is installed on the rack, a sliding block (5) capable of being matched with the linear guide rail (4) is fixed on the connecting piece (10), two groups of main driving assemblies are respectively connected with the connecting piece (10) of the two horizontal movement positioning mechanisms, the main driving assemblies are arranged on the rack and can drive the two horizontal movement positioning mechanisms to mutually approach or separate; the vertical pressing assembly comprises a driving device and a pressing piece (16), the size of the pressing piece (16) is matched with the size of a gap between two circular tubes (39) in the water jacket liner (11) to be positioned, the driving device is installed on the rack, the pressing piece (16) is connected with the driving device, and the driving device can drive the pressing piece (16) to lift and rotate; the connecting piece (10) comprises an L-shaped frame (19) and cylinder bases (20) fixed at the upper end and the lower end of the L-shaped frame (19), an upper clamping part (21) and a lower clamping part (22) are respectively arranged on the cylinder bases (20) at the upper end and the lower end, and a sliding block (5) is fixed on the cylinder bases (20); the rack comprises an underframe (1), a limiting plate (2) is arranged in the middle of the top of the underframe (1), and mounting frames (3) are fixed on two sides of the underframe (1); the mounting rack (3) comprises a side plate (17) and two guide rail seats (18) fixed at the upper end and the lower end of the side plate (17), the side plate (17) is fixed at two sides of the bottom frame (1), and each guide rail seat (18) is provided with a linear guide rail (4); go up clamping part (21) and lower clamping part (22) structure the same, all include revolving cylinder (12), the stiff end fixed mounting of revolving cylinder (12) is on jar seat (20), the revolving end of revolving cylinder (12) is fixed with clamp plate one (13), revolving cylinder (12) can drive clamp plate one (13) are rotatory cylinder seat (20) end fixing have can with clamp plate one (13) complex clamp plate two (14).
2. The laser automatic welding production line for the heating water jacket according to claim 1, characterized in that the driving device is a rotary lifting cylinder (15), a fixed end of the rotary lifting cylinder (15) is mounted on the limiting plate (2), an extending end of the rotary lifting cylinder (15) is fixed with a pressing piece (16), and the rotary lifting cylinder (15) can drive the pressing piece (16) to lift and rotate.
3. The automatic laser welding production line for the heating water jacket according to claim 1, characterized in that the main driving assembly comprises a servo motor (6), the servo motor (6) is connected with a lead screw (8) through a coupler (7), the servo motor (6) and the lead screw (8) are arranged on the bottom frame (1), a nut (9) is mounted on the lead screw (8), and a connecting piece (10) is fixed with the nut (9), so that the servo motor (6) can drive the connecting piece (10) to slide along the linear guide rail (4).
4. The automatic laser welding production line for the heating water jacket according to claim 1, characterized in that the rotary displacement device (24) further comprises a base (25) and a chuck (26), a first support (27) and a second support (28) are respectively arranged at two ends of the base (25), a power bin (29) is arranged at the top end of the first support (27), a motor (30) is arranged inside the power bin (29), one end of a workbench (31) is connected with the chuck (26), the chuck (26) is connected with the driving end of the motor (30), and the other end of the workbench (31) is rotatably mounted on the second support (28) through a bearing.
5. The automatic laser welding production line for the heating water jacket according to claim 1, characterized in that the laser welding assembly comprises a power device, a host and a support (34), the power device is connected with the host, a multi-shaft manipulator (32) is installed on the support (34), a laser head (33) is installed at the tail end of the multi-shaft manipulator (32), the laser head (33) is connected with the host through an optical fiber (35), a control signal is transmitted through the optical fiber (35), and the multi-shaft manipulator (32) is driven by the power device to realize movement.
6. The heating water jacket laser automatic welding production line according to claim 1, 2, 3, 4 or 5, which is characterized by comprising two groups of symmetrically arranged heating water jacket laser automatic welding production lines.
7. A welding method of the heating water jacket laser automatic welding production line based on any one of claims 1 to 6 is characterized by comprising the following steps:
s1, manually welding, splicing and fixing all components of a water jacket liner (11) together in a spot welding manner to finish primary forming of the water jacket liner (11);
s2, placing the water jacket liner (11) subjected to spot welding through a mechanical handle on a first chain plate conveyor (36), and driving the water jacket liner (11) to be conveyed to the front of the rotary displacement device (24) by the first chain plate conveyor (36);
s3, the water jacket liner (11) is taken up from a first chain plate conveyor (36) through a manipulator and placed on an automatic water jacket clamping tool (23) on a rotary displacement device (24), and the automatic water jacket clamping tool (23) clamps the preliminarily formed water jacket liner (11);
s4, rotating through the rotary displacement device (24) to adjust the angle of the water jacket liner (11), driving a laser head (33) by a multi-shaft manipulator (32) to automatically and comprehensively weld all positions of the water jacket liner (11) needing to be welded, and loosening the water jacket automatic clamping tool (23) after the water jacket liner (11) is completely welded;
s5, manually welding, splicing and fixing all components of the water jacket outer liner (38) together in a spot welding manner to finish the primary forming of the water jacket outer liner (38);
s6, the water jacket outer liner (38) which is subjected to spot welding through a mechanical handle is placed on a second chain plate conveyor (37) for conveying the water jacket outer liner (38), and the second chain plate conveyor (37) drives the water jacket outer liner (38) to be conveyed to the front of the rotary displacement device (24);
s7, taking the water jacket outer container (38) up from the second chain plate conveyor (37) through a mechanical handle, placing the water jacket outer container on the water jacket inner container (11) on the water jacket automatic clamping tool (23), and clamping and fixing the water jacket outer container (38) and the water jacket inner container (11) together through the water jacket automatic clamping tool (23);
s8, a multi-shaft manipulator (32) drives a laser head (33), all the positions needing full welding on each surface of the water jacket outer liner (38) are welded in cooperation with the rotary displacement device (24), and the water jacket outer liner (38) and the water jacket inner liner (11) are welded together.
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| CN116038198B (en) * | 2023-04-03 | 2023-06-23 | 江苏奔宇车身制造有限公司 | Welding-based automatic chemical assembly method, assembly mechanism and assembly equipment |
| CN116929216B (en) * | 2023-09-07 | 2024-01-23 | 浙江摩多巴克斯科技股份有限公司 | Automatic detection equipment for laser scanning of hydroformed part of automobile chassis |
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