CN111872555A - Full-automatic laser welding workstation for automobile turbine shell - Google Patents
Full-automatic laser welding workstation for automobile turbine shell Download PDFInfo
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- CN111872555A CN111872555A CN202010684745.XA CN202010684745A CN111872555A CN 111872555 A CN111872555 A CN 111872555A CN 202010684745 A CN202010684745 A CN 202010684745A CN 111872555 A CN111872555 A CN 111872555A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Optics & Photonics (AREA)
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- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of machining, and particularly discloses a full-automatic laser welding workstation for an automobile turbine shell, which comprises a manual feeding area, wherein a feeding tool stopping area is arranged in the manual feeding area; the workstation further comprises: the welding device comprises a ring welding area, a welding slag polishing area, a crank welding area, a finished product blanking area, a ring detection feeding area, a crank feeding area, a laser machine moving area, a tool lifting table, a conveying material channel, a material taking robot, a material taking mechanical arm, a material channel and a base. In the process of machining and producing the turbine shell, the machining size has certain fluctuation and deviation, the requirement on the gap between the welded small part and the turbine shell is very high, and the influence of the machining deviation on the final welding requirement needs to be solved by the equipment.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a full-automatic laser welding workstation for an automobile turbine shell.
Background
For technical reasons, the prior TIG welding or argon arc welding which is a traditional welding mode is generally adopted for welding ring and crank on the turbine shell of the prior automobile, the traditional mode and the welding quality can not meet the requirements of the modern automobile production process, manual operation and feeding are needed in the welding process, the production effect is seriously insufficient, and the welding process also has adverse effect on human eyes and is not environment-friendly; the welding quality and effect can not meet the requirements of the production process of modern automobiles, the manual feeding and part clamping are needed before welding, the production effect is low, and certain pollution influence is generated on the environment in the welding process.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a full-automatic laser welding workstation for an automobile turbine shell.
In order to achieve the purpose, the invention adopts the following technical scheme:
the full-automatic laser welding workstation for the automobile turbine shell comprises a manual feeding area, wherein a feeding tool stopping area is arranged in the manual feeding area; the workstation further comprises: the welding device comprises a ring welding area, a welding slag polishing area, a crank welding area, a finished product blanking area, a ring detection feeding area, a crank feeding area, a laser machine moving area, a tool lifting table, a conveying material channel, a material taking robot, a material taking manipulator, a material channel and a base;
the manual feeding area also comprises a main part pressing cylinder and a loosening cylinder which are mainly used for pressing and loosening the turbine shell; the air cylinder is automatically locked after being compressed, and the part is always kept in a compressed state in the moving process of the tool; the part is pressed angularly; the valve cover compresses the column to compress the effect of the ARM; a part core fixing piece is used for positioning the part; the part pushing assembly moves along with the loosening of the main pressing mechanism after the welding of the parts is finished; meanwhile, the parts are pushed out, and the parts are separated from the positioning core, so that the robot is ready for taking the materials.
Preferably, in the ring welding area, the ring is welded with the bushing, and the ring is placed in a gap between the bushing and the arm on the premise of ring welding;
carrying out early-stage size detection on the outer diameter of the ring, and carrying out a size detection area; after detection is finished, the material is conveyed to a robot material taking point;
ring material taking hand grasping; arm core finding camera; ring & bush bottom surface clearance guarantee mechanism.
Preferably, in the welding slag polishing area, after Ring welding is completed, certain tiny welding slag particles are left on the surface and can affect the placement of a following crank, so that the particles left after welding are removed, a fine polishing head is used for polishing, the polishing amount is controlled by a Z-axis servo motor, and the polishing head is used; is a servo motor.
Preferably, in the crank welding area, after the crank is automatically placed into the arm, a certain gap is reserved between the crank and the bottom of the lining, and a mechanical hand is used for grabbing materials from the material tray;
a two-jaw cylinder; an X/Y floating mechanism; a core finding camera; the camera light source is used for placing the crank into the crank hole positioning mechanism after the material is taken from the material tray, and the center positioning hole is used as the reference center of the hole; a self-rotating mechanism; a tensioning cylinder for centering; pressing by crank; and a pressing cylinder.
Preferably, after the parts are centered by the tensioning cylinder and the crank pressing and pressing cylinder, the crank is grabbed by the four-axis robot, the position of an arm rod is found by a front end camera of the four-axis robot, the crank is placed on the arm after core finding is finished, the angle and the gap of the crank are adjusted by the four-axis robot, the spring mechanism retracts after pressing the crank, and the laser welding machine searches the welding position again and then performs welding; in the ring welding, polishing and crank welding processes, in order to ensure the precision positioning of the tool clamp, a set of lifting positioning mechanism is designed in the scheme;
the lifting positioning mechanism further comprises: a clamp positioning pin; determining the flatness jointly; a clamp clamping cylinder; clamp to the steric stop; an ascending/descending cylinder; and (5) ascending and descending for positioning.
Preferably, after the series of actions, the welding of the finished product blanking area is finished, and the part on the tool needs to be taken, the scheme is that a six-axis joint robot is used for taking the taking hand to grasp, and the six-axis joint robot comprises a hand grasping connecting seat 30; a material grabbing paw; a two-jaw cylinder; a robot.
The invention has the beneficial effects that:
1. the traditional welding mode is changed into a laser welding mode with more advanced use technology, and the quality of the welding is improved.
2. Manual feeding of small parts is changed into a mode of realizing mechanical automatic feeding.
3. The labor cost is saved, and the production efficiency of enterprises is improved.
4. In the process of machining and producing the turbine shell, certain fluctuation and deviation exist in the machining size, the requirement for the gap between the welded small part and the turbine shell during welding is very high, and the influence of the machining deviation on the final welding requirement needs to be solved.
5. The clamp tool solves the problem that how to effectively compress the turbine shell and small parts under the conditions of gas failure and power failure when the clamp tool is in automatic circulation.
6. The problem of how to reach very high cooperation requirement in the automatic feeding and the welding process of little part is solved.
Drawings
Fig. 1 is a schematic view of the overall configuration of this apparatus.
Fig. 2 is a schematic structural diagram of a feeding area.
Fig. 3 is a schematic structural view showing that the tool cannot be ventilated and electrified in the process of circulating on the material channel.
Fig. 4 is a schematic diagram of an ARM mounting structure.
Fig. 5 is a schematic view of the welding position of Ring and the bush.
Fig. 6 is a schematic diagram of the prior dimension detection of the outer diameter of the ring.
Fig. 7 is a schematic view of the installation of a material taking hand gripper, an arm core finding camera, and a ring & bushing bottom surface gap ensuring mechanism.
Fig. 8 is a schematic view of the installation of the sanding head and the servo motor.
Fig. 9 is a schematic view of a crank tray.
Fig. 10 is a schematic composition diagram of a robot gripper.
FIG. 11 is a schematic view of the crank hole positioning mechanism.
Fig. 12 is a schematic structural view of a four-axis robot.
FIG. 13 is a schematic view of a lift positioning mechanism.
Fig. 14 is a schematic view of a six-axis joint robot belt take-off gripper.
Fig. 15 is a layout diagram of the apparatus.
Fig. 16 is a schematic diagram of Ring weld completion.
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.
Referring to fig. 1-16, the full-automatic laser welding workstation for the automobile turbine shell comprises an artificial feeding area 01, and a feeding tool stopping area in the area of the artificial feeding area 01; the workstation of (a) further comprising: the welding device comprises a ring welding area 02, a welding slag polishing area 03, a crank welding area 04, a finished product blanking area 05, a ring detection feeding area 06, a crank feeding area 07, a laser machine moving area 08, a tool lifting platform 09, a conveying material channel 10, a material taking robot 11, a material taking manipulator 12, a material channel 13 and a base 14;
the manual feeding area 01 further comprises a part main compression cylinder 0102 and a release cylinder which are mainly used for compressing and releasing the turbine shell; the cylinder 0103 is automatically locked after being compressed, and parts are always kept in a compressed state in the moving process of the tool; 0104, angularly compacting the part; the valve cover compresses the column 0105 to compress the effect of the ARM; a part core fixing part 0106, and a part positioning part 0106; the part pushing assembly 0107 is loosened along with the main pressing mechanism after the welding of the parts is finished; meanwhile, the parts are pushed out, and the parts are separated from the positioning core, so that the robot is ready for taking the materials.
In the embodiment, in the ring welding area 02, the ring is welded with the bush, and the ring is placed in a gap between the bush and the arm on the premise of ring welding;
performing early-stage size detection on the outer diameter of the ring, and using a size detection area 0201; after detection is finished, the material is conveyed to a robot material taking point 0202;
ring material taking gripper 0203; arm core finding camera 0204; ring & bush bottom surface clearance guarantee mechanism 0205.
In the welding slag polishing area 03, after Ring welding is completed, certain tiny welding slag particles remain on the surface and can affect the placement of a rear crank, so that the particles remaining after welding need to be removed, a fine polishing head is used for polishing, a Z-axis servo motor controls the polishing amount, and the polishing head 15; is a servo motor 16.
In the crank welding area 04, after the crank is automatically placed into the arm, a certain gap is reserved between the crank and the bottom of the bushing, and a manipulator is used for grabbing materials from a material tray;
a two-jaw cylinder 17; an X/Y floating mechanism 18; a core seeking camera 19; the camera light source 20 is used for placing the crank into the crank hole positioning mechanism after the material is taken from the material tray, and the center positioning hole is used as the reference center of the hole; a self-rotation mechanism 21; a tension cylinder 22 for centering; crank compacting 23; the compacting cylinder 24.
After the tensioning cylinder 22, the crank are compressed 23 and the pressing cylinder 24 are used for centering the part, the four-axis robot is used for grabbing the crank, the front end of the four-axis robot is used for searching the position of an arm rod, the crank is placed on the arm after core searching is finished, the angle and the gap of the crank are adjusted by the four-axis robot, the spring mechanism 0401 is used for compressing the crank and then retracting, and the laser welding machine is used for welding after searching the welding position again; in the ring welding, polishing and crank welding processes, in order to ensure the precision positioning of the tool clamp, a set of lifting positioning mechanism is designed in the scheme;
the lifting positioning mechanism further comprises: the jig positioning pins 34; determining the flatness jointly; a clamp clamping cylinder 26; clamp to rail 27; an ascending/descending cylinder 28; and raised and lowered to position 29.
The finished product blanking area 05 is subjected to the series of actions, welding is finished, and the part on the tool needs to be taken, and the scheme is that a six-axis joint robot is used for taking a taking hand to grasp, and comprises a hand grasping connecting seat 30; a material gripping gripper 31; a two-jaw cylinder 32; a robot 33.
The working principle is as follows:
in the equipment, a set of German imported laser welding machine is used for replacing the traditional welding equipment, a four-axis robot is used, and a camera is arranged for realizing the automatic feeding of small parts; an assembly line mode of one set of automatic cycle tooling is used, the front end only needs 1 worker to carry out feeding on the turbine shell, and unmanned full-automatic production is realized at the back.
FIG. 1 is a schematic view of the overall structure of the apparatus
Wherein: the manual feeding area 01 is a feeding tool staying area in the area; the workstation of (a) further comprising: the welding device comprises a ring welding area 02, a welding slag polishing area 03, a crank welding area 04, a finished product blanking area 05, a ring detection feeding area 06, a crank feeding area 07, a laser machine moving area 08, a tool lifting platform 09, a conveying material channel 10, a material taking robot 11, a material taking manipulator 12, a material channel 13 and a base 14;
as shown in fig. 2, 1 set of tooling is stopped on the lifting table, the assembly 0101 inflates the tooling, and all parts of the tooling are in a return state;
as shown in figure 3, the tool cannot be ventilated and electrified in the process of circulating on the material channel, so that the clamping and loosening actions of the tool at the material loading position are realized.
Detailed structural mechanism description: the part main compression cylinder 0102 and the release cylinder are mainly used for compressing and releasing the turbine shell; the cylinder 0103 is automatically locked after being compressed, and parts are always kept in a compressed state in the moving process of the tool; 0104, angularly compacting the part; the valve cover compresses the column 0105 to compress the effect of the ARM; a part core fixing part 0106, and a part positioning part 0106; the part pushing assembly 0107 is loosened along with the main pressing mechanism after the welding of the parts is finished; meanwhile, the parts are pushed out, and the parts are separated from the positioning core, so that the robot is ready for taking the materials.
As shown in FIG. 4, a 0108 mechanism is mainly used for overcoming the self-weight of ARM and preventing the ARM from falling down when two hands leave after the ARM is manually installed.
Ring and bush welding position as shown in fig. 5, Ring welding is performed on the premise that Ring is placed in the gap between the bush and arm.
Performing early-stage size detection on the outer diameter of the ring, and using a size detection area 0201; after detection is finished, the material is conveyed to a robot material taking point 0202;
get material hand to grasp 0203 as fig. 7 ring; arm core finding camera 0204; ring & bush bottom surface clearance guarantee mechanism 0205;
after Ring welding is completed, certain tiny welding slag particles are left on the surface, and the tiny welding slag particles can affect the subsequent CRank putting, so the particles left after the welding are removed.
And (4) polishing by using a fine polishing head, wherein the polishing amount is controlled by a Z-axis servo motor.
Fig. 8 shows the sanding head 6; is a servo motor 31; after the crank is automatically placed into the arm, a certain gap is reserved between the crank and the bottom of the bushing; using a mechanical hand to grab and take materials from a material tray, such as a crank material tray shown in fig. 9;
the composition of the manipulator is shown in fig. 10, and the mechanism is illustrated as follows: a two-jaw cylinder 5; an X/Y floating mechanism 1; a core finder 16; the camera light source 15, after taking the material from the tray, puts the crank into the crank hole positioning mechanism as shown in fig. 11, and the center positioning hole is used as the reference center of the hole.
As illustrated in fig. 11: a self-rotating mechanism 2; a tensioning cylinder 4 for centering; crank compaction 20; the compacting cylinder 24.
After the part is centered, a four-axis robot grabs the crank, the position of an arm rod is found through a front end camera of the four-axis robot, the crank is placed on the arm after the core finding is finished, the angle and the gap of the crank are adjusted through the four-axis robot, the spring mechanism 0401 compresses the crank and then retracts, and the laser welding machine finds the welding position again and then carries out welding.
In order to ensure the precision positioning of the tool clamp during ring welding, polishing and crank welding, a set of lifting positioning mechanism is designed in the scheme, as shown in fig. 13; the mechanism lifts the clamp conveyed from the raceway to separate from the raceway for fine positioning through the positioning device with the 1 surface and the 2 pins, and can avoid the influence of vibration on welding in the raceway conveying process. The mechanism is adopted on the ring welding, grinding and crank welding 3 stations simultaneously, so that the problems are solved, the beat is effectively saved, and the working efficiency is improved;
after the series of actions, the welding is finished, the part on the tool needs to be taken, and the scheme is finished by taking the part with a taking hand by using a six-axis joint robot. As in fig. 14.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The full-automatic laser welding workstation for the automobile turbine shell comprises a manual feeding area (01), and is characterized in that a feeding tool stopping area is arranged in the manual feeding area (01); the workstation further comprises: the welding method comprises the following steps of (1) forming a ring welding area (02), a welding slag polishing area (03), a crank welding area (04), a finished product blanking area (05), a ring detection feeding area (06), a crank feeding area (07), a laser machine moving area (08), a tooling lifting platform (09), a transmission material channel (10), a material taking robot (11), a material taking manipulator (12), a material channel (13) and a base (14);
the manual feeding area (01) further comprises a part main pressing cylinder (0102) and a loosening cylinder, and the part main pressing cylinder is mainly used for pressing and loosening the turbine shell; the automatic locking cylinder (0103) after the compaction is adopted, and the part is always kept in a compaction state in the tool moving process; part angular compaction (0104); the valve cover compresses the column (0105) to compress the effect of the ARM; a part positioning core member (0106) for positioning the part (0106); the part pushing assembly (0107) is loosened along with the main pressing mechanism after the welding of the parts is finished; meanwhile, the parts are pushed out, and the parts are separated from the positioning core, so that the robot is ready for taking the materials.
2. The fully automated laser welding station for automotive turbine shells according to claim 1, characterized in that in said ring welding zone (02), ring is welded with the bushing, ring welding being premised on putting ring into the gap between the bushing and arm;
performing early-stage size detection on the outer diameter of the ring, and performing a size detection area (0201); after detection is finished, the material is conveyed to a robot material taking point (0202);
ring material taking hand grasping (0203); arm core finding camera (0204); ring & bush bottom surface clearance guarantee mechanism (0205).
3. The full-automatic laser welding workstation for the automobile turbine shell is characterized in that in the welding slag polishing area (03), certain tiny welding slag particles are remained on the surface after Ring welding is completed, and the tiny welding slag particles can affect the subsequent crank putting, so that the particles remained after welding are removed, a fine polishing head is used for polishing, the polishing amount is controlled by a Z-axis servo motor, and the polishing head (15) is used; is a servo motor (16).
4. The fully automatic laser welding station for automobile turbine shells as claimed in claim 1, wherein in the crank welding area (04), after the crank is automatically placed into the arm, the crank has a certain gap from the bottom of the bushing, and a mechanical hand is used for grabbing materials from a material tray;
a two-jaw cylinder (17); an X/Y floating mechanism (18); a core finding camera (19); the camera light source (20) is used for placing the crank into the crank hole positioning mechanism after the material is taken from the material tray, and the center positioning hole is used as the reference center of the hole; a self-rotation mechanism (21); a tensioning cylinder (22) for centering; crank pressing (23); a compacting cylinder (24).
5. The full-automatic laser welding workstation for the automobile turbine shell is characterized in that after the tensioning cylinder (22), the crank pressing cylinder (23) and the pressing cylinder (24) center a part, a four-axis robot grabs the crank, the front end of the four-axis robot searches for the position of an arm rod, after core searching is completed, the crank is placed on the arm, the four-axis robot adjusts the angle and the gap of the crank, the spring mechanism (0401) presses the crank and then retracts, and the laser welding machine searches for the welding position again and then performs welding; in the ring welding, polishing and crank welding processes, in order to ensure the precision positioning of the tool clamp, a set of lifting positioning mechanism is designed in the scheme;
the lifting positioning mechanism further comprises: a clamp positioning pin (34); determining the flatness jointly; a clamp clamping cylinder (26); clamp to positive stop (27); an ascending/descending cylinder (28); and (29) ascending and descending.
6. The full-automatic laser welding workstation for the automobile turbine shell is characterized in that the finished product blanking area (05), after the series of actions, is welded, and the part on the tooling needs to be taken, and the welding is finished by taking a taking gripper by using a six-axis joint robot, wherein the six-axis joint robot comprises a gripper connecting seat (30); a material grabbing paw (31); a two-jaw cylinder (32); a robot (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684745.XA CN111872555A (en) | 2020-07-16 | 2020-07-16 | Full-automatic laser welding workstation for automobile turbine shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684745.XA CN111872555A (en) | 2020-07-16 | 2020-07-16 | Full-automatic laser welding workstation for automobile turbine shell |
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| Publication Number | Publication Date |
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| CN111872555A true CN111872555A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010684745.XA Pending CN111872555A (en) | 2020-07-16 | 2020-07-16 | Full-automatic laser welding workstation for automobile turbine shell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975191A (en) * | 2021-04-13 | 2021-06-18 | 江苏仕一诚机电科技有限公司 | Method for welding valve assembly in volute |
| CN113319504A (en) * | 2021-06-01 | 2021-08-31 | 西峡县飞龙汽车部件有限公司 | Volute assembly positioning device, using method thereof and welding equipment |
-
2020
- 2020-07-16 CN CN202010684745.XA patent/CN111872555A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112975191A (en) * | 2021-04-13 | 2021-06-18 | 江苏仕一诚机电科技有限公司 | Method for welding valve assembly in volute |
| CN113319504A (en) * | 2021-06-01 | 2021-08-31 | 西峡县飞龙汽车部件有限公司 | Volute assembly positioning device, using method thereof and welding equipment |
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