CN113927159A - Copper pipe laser welding method and device and intelligent industrial control device - Google Patents

Copper pipe laser welding method and device and intelligent industrial control device Download PDF

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Publication number
CN113927159A
CN113927159A CN202111051044.3A CN202111051044A CN113927159A CN 113927159 A CN113927159 A CN 113927159A CN 202111051044 A CN202111051044 A CN 202111051044A CN 113927159 A CN113927159 A CN 113927159A
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China
Prior art keywords
laser welding
positioning
copper pipe
base
block
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CN202111051044.3A
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Chinese (zh)
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赵红艳
常浩
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Individual
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Priority to CN202111051044.3A priority Critical patent/CN113927159A/en
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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
    • B23K26/08—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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the 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
    • B23K26/20—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
    • B23K26/70—Auxiliary operations or 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/06—Tubes

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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 utility model relates to the field of copper pipe laser welding, in particular to a copper pipe laser welding method, copper pipe laser welding equipment and intelligent industrial control equipment. The equipment adopted by the method comprises a workbench, a positioning device and a laser welding device, wherein the positioning device and the laser welding device are fixed on the workbench; the positioning end of the positioning device is contacted with the positioning part of the copper pipe, and the laser welding end of the laser welding device is connected with the positioning end of the positioning device and is contacted with the laser welding part of the copper pipe; the positioning device is used for positioning the copper pipe and driving the copper pipe to rotate to different laser welding angles; the laser welding device is used for adjusting different angles to perform laser welding on various copper pipes; the method comprises copper pipe feeding, copper pipe positioning, laser welding head angle adjustment, copper pipe rotation laser welding and product blanking; the method automatically positions and clamps the copper pipe and rotates the copper pipe to different stations, automatically adjusts the angle of the laser welding of different copper pipes, and improves the automation degree of the whole equipment.

Description

Copper pipe laser welding method and device and intelligent industrial control device
Technical Field
The utility model relates to the field of copper pipe laser welding, in particular to a copper pipe laser welding method, copper pipe laser welding equipment and intelligent industrial control equipment.
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. Due to the unique advantages, the welding method is successfully applied to the precise welding of micro and small parts.
The chinese utility model patent application (publication No. 205927447U, published: 20170208) discloses a device for laser welding of cooling water pipe joints, including the welder stack, set up the welder on the welder stack and set up the laser welding workspace below the welder stack, this laser welding workspace includes the workstation that sets up below the welder stack and sets up water pipe positioning unit, coupling positioning unit on the workstation respectively, water pipe positioning unit and coupling positioning unit are fixed a position cooling water pipe and coupling respectively, later by welder with cooling water pipe and coupling laser welding together. Compared with the prior art, the device can be regulated and controlled through the electric control cabinet, the automation degree is high, the device is accurately controlled through the pressure sensor and the displacement sensor, the operation is simplified, the working efficiency is greatly improved, the processing consistency and the laser welding quality of laser welding products are ensured, and the device is suitable for mass production of the laser welding products.
The prior art has the following defects: when the copper pipe is subjected to laser welding, each process is independently completed on a single workbench by manual work, and then the product flow is conveyed to the next workbench through a conveying line for processing, so that the copper pipe laser welding process is finally completed; and each process needs manual participation and auxiliary blanking circulation, so that the automation degree of the whole equipment is low.
Disclosure of Invention
The purpose of the utility model is: aiming at the problems, the copper pipe laser welding method is provided, wherein the copper pipe is automatically positioned, clamped and rotated to different stations, and the angles of different copper pipes are automatically adjusted for laser welding, so that the automation degree of the whole equipment is improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a copper pipe laser welding method adopts equipment comprising a workbench, a positioning device and a laser welding device, wherein the positioning device and the laser welding device are fixed on the workbench; the positioning end of the positioning device is contacted with the positioning part of the copper pipe, and the laser welding end of the laser welding device is connected with the positioning end of the positioning device and is contacted with the laser welding part of the copper pipe; the positioning device is used for positioning the copper pipe and driving the copper pipe to rotate to different laser welding angles; the laser welding device is used for adjusting different angles to perform laser welding on various copper pipes;
the method comprises the following steps:
(S1) copper tube feeding: feeding two copper pipes to a feeding station in a positioning device;
(S2) positioning the copper tube: the positioning device positions and clamps two copper pipes of the feeding station;
(S3) adjusting the angle of the laser welding head: the laser welding device is adjusted to a set laser welding angle according to different types of copper pipes;
(S4) copper tube rotation laser welding: the positioning device drives the clamped copper pipe to rotate to different angles so as to complete laser welding of a plurality of different parts, and the laser welding device continuously adjusts the laser welding angles according to the conditions of the laser welding parts in the laser welding process;
(S5) blanking of products: and (4) blanking the copper pipe subjected to laser welding to complete the copper pipe laser welding process.
In addition, the utility model also discloses copper pipe laser welding equipment which comprises a workbench, and a positioning device and a laser welding device which are fixed on the workbench; the positioning end of the positioning device is contacted with the positioning part of the copper pipe, and the laser welding end of the laser welding device is connected with the positioning end of the positioning device and is contacted with the laser welding part of the copper pipe; the positioning device is used for positioning the copper pipe and driving the copper pipe to rotate to different laser welding angles; the laser welding device is used for adjusting different angles to perform laser welding on various copper pipes;
the method adopted by the equipment comprises the following steps:
(S1) copper tube feeding: feeding two copper pipes to a feeding station in a positioning device;
(S2) positioning the copper tube: the positioning device positions and clamps two copper pipes of the feeding station;
(S3) adjusting the angle of the laser welding head: the laser welding device is adjusted to a set laser welding angle according to different types of copper pipes;
(S4) copper tube rotation laser welding: the positioning device drives the clamped copper pipe to rotate to different angles so as to complete laser welding of a plurality of different parts, and the laser welding device continuously adjusts the laser welding angles according to the conditions of the laser welding parts in the laser welding process;
(S5) blanking of products: and (4) blanking the copper pipe subjected to laser welding to complete the copper pipe laser welding process.
In order to solve the problems that a fixed positioning device is adopted to position the copper pipe, and the positioning device needs to be manually rotated to different laser welding angles when different parts of the copper pipe are subjected to laser welding; the utility model also discloses a positioning device, which comprises a rotation driving mechanism, a positioning rotary disc, a first positioning head and a second positioning head; the driving end of the rotation driving mechanism is connected with the positioning rotary disc, and the first positioning head and the second positioning head are fixed on the positioning rotary disc; the first positioning head comprises a first base, a first air cylinder and a first positioning block; the second positioning head comprises a second base, a second cylinder and a second positioning block; the first cylinder output end is connected with the first positioning block, the second cylinder output end is connected with the second positioning block, and the first positioning block and the second positioning block are distributed oppositely and are respectively contacted with the two copper pipe positioning parts.
Preferably, the first positioning block comprises a first positioning lower block and a first positioning upper block; the second positioning block comprises a second positioning lower block and a second positioning upper block; the lower ends of the first positioning lower block and the second positioning lower block are respectively connected with the output ends of the first air cylinder and the second air cylinder, and the upper ends of the first positioning lower block and the second positioning lower block are respectively connected with the rear ends of the first positioning upper block and the second positioning upper block; the front ends of the first positioning upper block and the second positioning upper block are respectively contacted with two copper pipe positioning parts; the first positioning block also comprises a receiving plate, the rear end of the receiving plate is fixed on the first positioning upper block, and the front end of the receiving plate is provided with an arc groove; the arc groove is matched with the outer surface of the cylinder at the lower end of the copper pipe, and the arc groove is matched with the outer surface of the cylinder of the second positioning upper block; the first base and the second base are both provided with triangular grooves, the first positioning lower block and the second positioning lower block are both provided with triangular protrusions, and the triangular protrusions of the first positioning lower block and the second positioning lower block are in sliding fit with the triangular grooves of the first base and the second base respectively. The first positioning lower block is fixedly provided with a first limiting plate, the second positioning lower block is fixedly provided with a second limiting plate, the first limiting plate is positioned above the second limiting plate, and the side face of the front end of the first limiting plate is contacted with the side face of the front end of the second positioning lower block; the rotation driving mechanism comprises a rotation driving motor, a rotation driving belt wheel and a rotation driving shaft; the output end of the rotation driving motor is connected with a rotation driving belt wheel through a belt, and the upper end and the lower end of the rotation driving shaft are fixedly connected with the positioning rotary table and the rotation driving belt wheel respectively.
In order to solve the problem that a laser welding head with a fixed inclination angle is adopted for laser welding of copper pipes, when copper pipes with different specifications are required to be subjected to laser welding, laser welding bases with different inclination angles are required to be redesigned and processed; the utility model also discloses a laser welding device, which comprises a laser welding rack, a laser welding driving mechanism, a transmission mechanism and a laser welding head mechanism; the transmission mechanism comprises a transmission base, a transmission shaft, a transmission belt wheel, a hinge seat and a transmission connecting rod; two ends of the transmission shaft are in running fit with the transmission base, and the transmission belt wheel is fixed at the middle end of the transmission shaft and is connected with the laser welding driving mechanism through a belt; the hinged seat is fixed at one end of the transmission shaft, the lower end of the transmission connecting rod is hinged with a connecting rod head, and the connecting rod head is in sliding fit with the hinged seat; the laser welding head mechanism comprises a laser welding base, a rotating base and a laser welding head; the laser welding base is provided with a circular arc-shaped rotating groove, the corresponding bulge of the rotating base is in sliding fit with the rotating groove, and the rotating base is hinged with the upper end of the transmission connecting rod; the laser welding head is fixed on the rotating base, and the laser welding end of the laser welding head is in contact with the laser welding part of the copper pipe.
Preferably, the hinge seat comprises a hinge seat body, a hinge seat guide post and a hinge seat sliding groove; the hinge seat guide post is positioned in the hinge seat sliding groove and is in sliding fit with the connecting rod head; the lower end of the transmission base is provided with a tensioning base, a tensioning wheel and a tensioning screw; the tensioning base is provided with a tensioning chute, two ends of the tensioning wheel are in sliding fit with the tensioning chute, and the inner side surface of the tensioning wheel is in contact with the belt; the tensioning screw penetrates through the outer wall of the tensioning base to the tensioning chute, and the top end of the tensioning screw is in contact with the outer side face of the part, embedded into the tensioning chute, of the tensioning wheel. The rotating base comprises a base body and a base hinging block; the lower end of the base body is in a notch shape, the base hinge blocks are positioned on two sides of the notch, and the upper end of the transmission connecting rod extends into the notch at the lower end of the base body and is hinged with the base hinge blocks; scales for displaying the rotating angle of the rotating base are arranged on the outer side of the rotating groove of the laser welding base; the outer end face of the corresponding bulge of the rotating base is provided with a scale groove, and the scale groove is aligned with different scales on the laser welding base; the laser welding driving mechanism comprises a laser welding driving motor, a speed reducer and a laser welding driving belt wheel, and the rotating end of the laser welding driving motor is connected with the input end of the speed reducer; the speed reducer output is connected with laser welding driving belt wheel, and laser welding driving belt wheel is connected with driving belt wheel through the belt.
In addition, the utility model also discloses intelligent industrial control equipment which comprises a processor, wherein the processor executes the copper pipe laser welding method.
Additionally, a non-transitory computer readable carrier medium storing program instructions that, when executed by a processor, cause the processor to perform the copper tube laser welding method is also disclosed.
The copper pipe laser welding method adopting the technical scheme has the advantages that:
1. the first positioning head and the second positioning head position and clamp the two copper pipes, and the rotation driving mechanism drives the two copper pipes to rotate to different laser welding angles so that the laser welding device performs laser welding on different parts of the copper pipes; in the mode, the positioning, clamping and rotating of the copper pipe are automatically completed by the equipment, so that the labor intensity of workers is reduced, and the laser welding efficiency of the copper pipe is improved.
2. The laser welding driving mechanism can drive the rotating base to rotate to different laser welding angles around the rotating groove through the transmission mechanism, namely, the laser welding head can rotate to different angles to carry out laser welding on the copper pipe; when copper pipes with different specifications are required to be subjected to laser welding, only the angle of a laser welding head needs to be adjusted; and laser welding bases with different inclination angles do not need to be redesigned and processed, so that the cost of the equipment is reduced, and the adaptability of the equipment is improved.
Drawings
FIG. 1 is a flow chart of a copper tube laser welding method.
Fig. 2 is a schematic structural diagram of a copper pipe laser welding apparatus.
Fig. 3 is a schematic structural view of a copper tube product.
Fig. 4 and 5 are schematic structural views of the positioning device.
Fig. 6-8 are schematic structural views of a laser welding apparatus.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
Example 1
A copper pipe laser welding apparatus as shown in fig. 2, which comprises a worktable, and a positioning device 1 and a laser welding device 2 fixed on the worktable; the positioning end of the positioning device 1 is contacted with the positioning part of the copper pipe, and the laser welding end of the laser welding device 2 is connected with the positioning end of the positioning device 1 and is contacted with the laser welding part of the copper pipe; the positioning device 1 is used for positioning the copper pipe and driving the copper pipe to rotate to different laser welding angles; the laser welding device 2 is used for adjusting different angles to carry out laser welding on various copper pipes.
The product flow direction of the copper tube is as follows: positioning means 1 to laser welding means 2.
Fig. 3 is a schematic diagram of the product structure of the copper tube. The copper pipe product comprises a first copper pipe a and a second copper pipe b, and the inner side of the first copper pipe a is connected with the inner side of the second copper pipe b in a laser welding mode.
As shown in fig. 4, the positioning device 1 includes a rotation driving mechanism 11, a positioning turntable 12, a first positioning head 13, and a second positioning head 14; the driving end of the rotation driving mechanism 11 is connected with a positioning rotary table 12, and a first positioning head 13 and a second positioning head 14 are fixed on the positioning rotary table 12; the first positioning head 13 includes a first base 131, a first cylinder 132, and a first positioning block 133; the second positioning head 14 includes a second base 141, a second cylinder 142 and a second positioning block 143; the output end of the first cylinder 132 is connected with the first positioning block 133, the output end of the second cylinder 142 is connected with the second positioning block 143, and the first positioning block 133 and the second positioning block 143 are distributed oppositely and are respectively contacted with two copper pipe positioning parts.
As shown in fig. 4, the first positioning block 133 includes a first positioning lower block 134 and a first positioning upper block 135; the second positioning block 143 includes a second positioning lower block 144 and a second positioning upper block 145; the lower ends of the first positioning lower block 134 and the second positioning lower block 144 are respectively connected with the output ends of the first air cylinder 132 and the second air cylinder 142, and the upper ends of the first positioning lower block 134 and the second positioning lower block 144 are respectively connected with the rear ends of the first positioning upper block 135 and the second positioning upper block 145; the front ends of the first positioning upper block 135 and the second positioning upper block 145 are respectively contacted with two copper pipe positioning parts; the first positioning block 133 further comprises a receiving plate 136, the rear end of the receiving plate 136 is fixed on the first positioning upper block 135, and the front end of the receiving plate 136 is provided with an arc groove 137; the arc groove 137 is matched with the outer surface of the cylinder at the lower end of the copper pipe, and the arc groove 137 is matched with the outer surface of the cylinder of the second positioning upper block 145; the first base 131 and the second base 141 are both provided with triangular grooves, the first positioning lower block 134 and the second positioning lower block 144 are both provided with triangular protrusions, and the triangular protrusions of the first positioning lower block 134 and the second positioning lower block 144 are respectively in sliding fit with the triangular grooves of the first base 131 and the second base 141. The first positioning lower block 134 is fixedly provided with a first limiting plate 138, the second positioning lower block 144 is fixedly provided with a second limiting plate 146, the first limiting plate 138 is positioned above the second limiting plate 146, and the side face of the front end of the first limiting plate 138 is in contact with the side face of the front end of the second positioning lower block 144.
As shown in fig. 5, the rotation drive mechanism 11 includes a rotation drive motor, a rotation drive pulley 112, and a rotation drive shaft 113; the output end of the rotation driving motor is connected with the rotation driving belt wheel 112 through a belt, and the upper end and the lower end of the rotation driving shaft 113 are respectively fixedly connected with the positioning turntable 12 and the rotation driving belt wheel 112.
During operation of the positioning device 1: 1) feeding two copper pipes into the arc groove 137 of the receiving plate 136; 2) the first air cylinder 132 and the second air cylinder 142 extend out to respectively drive the first positioning head 13 and the second positioning head 14 to extend out, the first positioning upper block 135 and the second positioning upper block 145 move relatively, and the front ends of the first positioning upper block and the second positioning upper block are respectively contacted with the positioning parts of the two copper pipes to clamp the two copper pipes; 3) after the laser welding device 2 is adjusted to a corresponding laser welding angle, the rotation driving mechanism 11 drives the positioning turntable 12 to rotate so as to drive the two clamped copper pipes to rotate to different laser welding parts to complete the copper pipe positioning process by laser welding.
The positioning device 1 solves the problems that a fixed positioning device is adopted to position the copper pipe, and when different parts of the copper pipe are subjected to laser welding, the positioning device needs to be manually rotated to different laser welding angles; the labor intensity of workers is increased, and the problem of the laser welding efficiency of the copper pipe is also reduced. The first positioning head 13 and the second positioning head 14 position and clamp the two copper pipes, and the rotary driving mechanism 11 drives the two copper pipes to rotate to different laser welding angles so that the laser welding device 2 performs laser welding on different parts of the copper pipes; in the mode, the positioning, clamping and rotating of the copper pipe are automatically completed by the equipment, so that the labor intensity of workers is reduced, and the laser welding efficiency of the copper pipe is improved.
As shown in fig. 6 to 8, the laser welding apparatus 2 includes a laser welding frame 3, a laser welding driving mechanism 4, a transmission mechanism 5, and a laser welding head mechanism 6; the transmission mechanism 5 comprises a transmission base 51, a transmission shaft, a transmission belt wheel 53, a hinged seat 54 and a transmission connecting rod 55; two ends of the transmission shaft are in running fit with the transmission base 51, and the transmission belt wheel 53 is fixed at the middle end of the transmission shaft and is connected with the laser welding driving mechanism 4 through a belt; the hinged seat 54 is fixed at one end of the transmission shaft, the lower end of the transmission connecting rod 55 is hinged with a connecting rod head, and the connecting rod head is in sliding fit with the hinged seat 54; the laser welding head mechanism 6 comprises a laser welding base 61, a rotating base 62 and a laser welding head 63; the laser welding base 61 is provided with a circular arc-shaped rotating groove 64, the corresponding bulge of the rotating base 62 is in sliding fit with the rotating groove 64, and the rotating base 62 is hinged with the upper end of the transmission connecting rod 55; the laser welding head 63 is fixed on the rotating base 62, and the laser welding end thereof is in contact with the laser welding part of the copper pipe.
As shown in fig. 7, the hinge seat 54 includes a hinge seat body 541, a hinge seat guide pillar 542 and a hinge seat sliding groove 543; the hinge seat guide post 542 is positioned in the hinge seat sliding groove 543, and the hinge seat guide post 542 is in sliding fit with the connecting rod head; the lower end of the transmission base 51 is provided with a tensioning base 511, a tensioning wheel 512 and a tensioning screw 513; the tensioning base 511 is provided with a tensioning chute 514, two ends of the tensioning wheel 512 are in sliding fit with the tensioning chute 514, and the inner side surface of the tensioning wheel 512 is in contact with the belt; the tensioning screw 513 penetrates through the outer wall of the tensioning base 511 to the tensioning chute 514, and the top end of the tensioning screw 513 contacts with the outer side surface of the portion, embedded into the tensioning chute 514, of the tensioning wheel 512.
As shown in fig. 8, the rotating base 62 comprises a base body 621 and a base hinge block 622; the lower end of the base body 621 is in a notch shape, the base hinge blocks 622 are positioned at two sides of the notch, and the upper end of the transmission connecting rod 55 extends into the notch at the lower end of the base body 621 and is hinged with the base hinge blocks 622; scales for displaying the rotating angle of the rotating base 62 are arranged outside the rotating groove 64 of the laser welding base 61; the outer end face of the rotary base 62 corresponding to the protrusion is provided with a scale groove, and the scale groove is aligned with different scales on the laser welding base 61; the laser welding driving mechanism 4 comprises a laser welding driving motor, a speed reducer and a laser welding driving belt wheel, and the rotating end of the laser welding driving motor is connected with the input end of the speed reducer; the speed reducer output is fixedly connected with a laser welding driving belt wheel, and the laser welding driving belt wheel is connected with a transmission belt wheel 53 through a belt.
The laser welding device 2 is in operation: 1) the positioning device 1 positions and clamps two copper pipes and rotates the copper pipes to a laser welding station; 2) the laser welding driving mechanism 4 drives the transmission belt wheel 53 and the transmission shaft to rotate so as to drive the hinge base 54 to rotate; 3) the lower end of the transmission connecting rod 55 rotates around the connecting rod head and the connecting rod head slides along the hinge seat sliding groove 543, the upper end of the transmission connecting rod 55 drives the rotating base 62 to rotate around the rotating groove 64 to a set laser welding angle to perform laser welding on the copper pipe laser welding part and continuously adjust the laser welding angle in the laser welding process to complete the laser welding process.
The laser welding device 2 solves the problems that a laser welding head with a fixed inclination angle is adopted for laser welding of copper pipes, and laser welding bases with different inclination angles need to be redesigned and processed when laser welding of copper pipes with different specifications is needed; thereby increasing the cost of the equipment and reducing the adaptability of the equipment. In this way, the laser welding driving mechanism 4 can drive the rotating base 62 to rotate around the rotating groove 64 to different laser welding angles through the transmission mechanism 5, that is, the laser welding head 63 can rotate to different angles to perform laser welding on the copper pipe; when copper pipes with different specifications are required to be subjected to laser welding, only the angle of a laser welding head 63 needs to be adjusted; and laser welding bases with different inclination angles do not need to be redesigned and processed, so that the cost of the equipment is reduced, and the adaptability of the equipment is improved.
In addition, the utility model also discloses intelligent industrial control equipment which comprises a processor, wherein the processor executes the copper pipe laser welding method.
Additionally, a non-transitory computer readable carrier medium storing program instructions that, when executed by a processor, cause the processor to perform the copper tube laser welding method is also disclosed.
A copper tube laser welding method as shown in fig. 1, which uses the copper tube laser welding apparatus, the method comprising the steps of:
(S1) copper tube feeding: feeding two copper pipes to a feeding station in the positioning device 1;
(S2) positioning the copper tube: the positioning device 1 positions and clamps two copper pipes of a feeding station;
(S3) adjusting the angle of the laser welding head: the laser welding device 2 is adjusted to a set laser welding angle according to different types of copper pipes;
(S4) copper tube rotation laser welding: the positioning device 1 drives the clamped copper pipe to rotate to different angles to complete laser welding of a plurality of different parts, and the laser welding device 2 continuously adjusts the laser welding angle according to the conditions of the laser welding parts in the laser welding process;
(S5) blanking of products: and (4) blanking the copper pipe subjected to laser welding to complete the copper pipe laser welding process.

Claims (10)

1. A copper pipe laser welding method is characterized in that the method adopts equipment comprising a workbench, a positioning device (1) fixed on the workbench and a laser welding device (2); the positioning end of the positioning device (1) is contacted with the positioning part of the copper pipe, and the laser welding end of the laser welding device (2) is connected with the positioning end of the positioning device (1) and is contacted with the laser welding part of the copper pipe; the positioning device (1) is used for positioning the copper pipe and driving the copper pipe to rotate to different laser welding angles; the laser welding device (2) is used for adjusting different angles to perform laser welding on various copper pipes;
the method comprises the following steps:
(S1) copper tube feeding: feeding two copper pipes to a feeding station in the positioning device (1);
(S2) positioning the copper tube: the positioning device (1) positions and clamps two copper pipes of a feeding station;
(S3) adjusting the angle of the laser welding head: the laser welding device (2) is adjusted to a set laser welding angle according to different types of copper pipes;
(S4) copper tube rotation laser welding: the positioning device (1) drives the clamped copper pipe to rotate to different angles so as to complete laser welding of a plurality of different parts, and the laser welding device (2) continuously adjusts the laser welding angle according to the situation of the laser welding part in the laser welding process;
(S5) blanking of products: and (4) blanking the copper pipe subjected to laser welding to complete the copper pipe laser welding process.
2. A copper pipe laser welding device is characterized by comprising a workbench, a positioning device (1) and a laser welding device (2), wherein the positioning device and the laser welding device are fixed on the workbench; the positioning end of the positioning device (1) is contacted with the positioning part of the copper pipe, and the laser welding end of the laser welding device (2) is connected with the positioning end of the positioning device (1) and is contacted with the laser welding part of the copper pipe; the positioning device (1) is used for positioning the copper pipe and driving the copper pipe to rotate to different laser welding angles; the laser welding device (2) is used for adjusting different angles to perform laser welding on various copper pipes;
the method adopted by the equipment comprises the following steps:
(S1) copper tube feeding: feeding two copper pipes to a feeding station in the positioning device (1);
(S2) positioning the copper tube: the positioning device (1) positions and clamps two copper pipes of a feeding station;
(S3) adjusting the angle of the laser welding head: the laser welding device (2) is adjusted to a set laser welding angle according to different types of copper pipes;
(S4) copper tube rotation laser welding: the positioning device (1) drives the clamped copper pipe to rotate to different angles so as to complete laser welding of a plurality of different parts, and the laser welding device (2) continuously adjusts the laser welding angle according to the situation of the laser welding part in the laser welding process;
(S5) blanking of products: and (4) blanking the copper pipe subjected to laser welding to complete the copper pipe laser welding process.
3. Copper pipe laser welding equipment according to claim 2, characterized in that the positioning device (1) comprises a rotary driving mechanism (11), a positioning rotary table (12), a first positioning head (13) and a second positioning head (14); the driving end of the rotation driving mechanism (11) is connected with the positioning rotary disc (12), and the first positioning head (13) and the second positioning head (14) are fixed on the positioning rotary disc (12); the first positioning head (13) comprises a first base (131), a first air cylinder (132) and a first positioning block (133); the second positioning head (14) comprises a second base (141), a second air cylinder (142) and a second positioning block (143); the output end of the first air cylinder (132) is connected with the first positioning block (133), the output end of the second air cylinder (142) is connected with the second positioning block (143), and the first positioning block (133) and the second positioning block (143) are distributed oppositely and are respectively contacted with the two copper pipe positioning parts.
4. A copper tube laser welding apparatus according to claim 3, characterized in that the first positioning block (133) comprises a first positioning lower block (134) and a first positioning upper block (135); the second positioning block (143) comprises a second positioning lower block (144) and a second positioning upper block (145); the lower ends of the first positioning lower block (134) and the second positioning lower block (144) are respectively connected with the output ends of the first air cylinder (132) and the second air cylinder (142), and the upper ends of the first positioning lower block (134) and the second positioning lower block (144) are respectively connected with the rear ends of the first positioning upper block (135) and the second positioning upper block (145); the front ends of the first positioning upper block (135) and the second positioning upper block (145) are respectively contacted with the two copper pipe positioning parts;
the first positioning block (133) further comprises a receiving plate (136), the rear end of the receiving plate (136) is fixed on the first positioning upper block (135), and the front end of the receiving plate (136) is provided with an arc groove (137); the arc groove (137) is matched with the outer surface of the cylinder at the lower end of the copper pipe, and the arc groove (137) is matched with the outer surface of the cylinder of the second positioning upper block (145);
the first base (131) and the second base (141) are both provided with triangular grooves, the first positioning lower block (134) and the second positioning lower block (144) are both provided with triangular protrusions, and the triangular protrusions of the first positioning lower block (134) and the second positioning lower block (144) are in sliding fit with the triangular grooves of the first base (131) and the second base (141) respectively.
5. The copper pipe laser welding equipment according to claim 3, wherein a first positioning lower block (134) is fixedly provided with a first limiting plate (138), a second positioning lower block (144) is fixedly provided with a second limiting plate (146), the first limiting plate (138) is positioned above the second limiting plate (146), and the side surface of the front end of the first limiting plate (138) is in contact with the side surface of the front end of the second positioning lower block (144);
the rotation driving mechanism (11) comprises a rotation driving motor, a rotation driving belt wheel (112) and a rotation driving shaft (113); the output end of the rotation driving motor is connected with a rotation driving belt wheel (112) through a belt, and the upper end and the lower end of the rotation driving shaft (113) are respectively and fixedly connected with the positioning turntable (12) and the rotation driving belt wheel (112).
6. The copper pipe laser welding equipment according to claim 2, wherein the laser welding device (2) comprises a laser welding machine frame (3), a laser welding driving mechanism (4), a transmission mechanism (5) and a laser welding head mechanism (6); the transmission mechanism (5) comprises a transmission base (51), a transmission shaft, a transmission belt wheel (53), a hinged seat (54) and a transmission connecting rod (55); two ends of the transmission shaft are in running fit with the transmission base (51), and the transmission belt wheel (53) is fixed at the middle end of the transmission shaft and is connected with the laser welding driving mechanism (4) through a belt; the hinged seat (54) is fixed at one end of the transmission shaft, the lower end of the transmission connecting rod (55) is hinged with a connecting rod head, and the connecting rod head is in sliding fit with the hinged seat (54); the laser welding head mechanism (6) comprises a laser welding base (61), a rotating base (62) and a laser welding head (63); the laser welding base (61) is provided with a circular arc-shaped rotating groove (64), the corresponding bulge of the rotating base (62) is in sliding fit with the rotating groove (64), and the rotating base (62) is hinged with the upper end of the transmission connecting rod (55); the laser welding head (63) is fixed on the rotating base (62), and the laser welding end of the laser welding head is contacted with the laser welding part of the copper pipe.
7. Copper pipe laser welding apparatus according to claim 6, characterized in that the hinge base (54) comprises a hinge base body (541), a hinge base guide post (542) and a hinge base runner (543); the hinge seat guide post (542) is positioned in the hinge seat sliding groove (543), and the hinge seat guide post (542) is in sliding fit with the connecting rod head;
the lower end of the transmission base (51) is provided with a tensioning base (511), a tensioning wheel (512) and a tensioning screw (513); the tensioning base (511) is provided with a tensioning chute (514), two ends of the tensioning wheel (512) are in sliding fit with the tensioning chute (514), and the inner side surface of the tensioning wheel (512) is in contact with the belt; the tensioning screw (513) penetrates through the outer wall of the tensioning base (511) to the tensioning chute (514), and the top end of the tensioning screw (513) is in contact with the outer side face of the part, embedded into the tensioning chute (514), of the tensioning wheel (512).
8. Copper pipe laser welding apparatus according to claim 6, characterized in that the rotating base (62) comprises a base body (621) and a base hinge block (622); the lower end of the base body (621) is in a notch shape, the base hinge blocks (622) are positioned on two sides of the notch, and the upper end of the transmission connecting rod (55) extends into the notch at the lower end of the base body (621) and is hinged with the base hinge blocks (622);
scales for displaying the rotating angle of the rotating base (62) are arranged on the outer side of the rotating groove (64) of the laser welding base (61); the outer end face of the corresponding bulge of the rotating base (62) is provided with a scale groove, and the scale groove is aligned with different scales on the laser welding base (61);
the laser welding driving mechanism (4) comprises a laser welding driving motor, a speed reducer and a laser welding driving belt wheel, and the rotating end of the laser welding driving motor is connected with the input end of the speed reducer; the speed reducer output is connected with laser welding driving belt wheel (53) through the belt.
9. An intelligent industrial control device, the device comprising a processor, wherein the processor performs the method of claim 1.
10. A non-transitory computer readable carrier medium storing program instructions that, when executed by a processor, cause the processor to perform the method of claim 1.
CN202111051044.3A 2021-09-08 2021-09-08 Copper pipe laser welding method and device and intelligent industrial control device Withdrawn CN113927159A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111051044.3A CN113927159A (en) 2021-09-08 2021-09-08 Copper pipe laser welding method and device and intelligent industrial control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111051044.3A CN113927159A (en) 2021-09-08 2021-09-08 Copper pipe laser welding method and device and intelligent industrial control device

Publications (1)

Publication Number Publication Date
CN113927159A true CN113927159A (en) 2022-01-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111051044.3A Withdrawn CN113927159A (en) 2021-09-08 2021-09-08 Copper pipe laser welding method and device and intelligent industrial control device

Country Status (1)

Country Link
CN (1) CN113927159A (en)

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Application publication date: 20220114