CN220659564U - Automatic welding equipment for multilayer workpieces - Google Patents
Automatic welding equipment for multilayer workpieces Download PDFInfo
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- CN220659564U CN220659564U CN202322299361.8U CN202322299361U CN220659564U CN 220659564 U CN220659564 U CN 220659564U CN 202322299361 U CN202322299361 U CN 202322299361U CN 220659564 U CN220659564 U CN 220659564U
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- 238000003466 welding Methods 0.000 title claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 22
- 230000001681 protective effect Effects 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 5
- 210000000707 wrist Anatomy 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000000245 forearm Anatomy 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses automatic welding equipment for multi-layer workpieces, which comprises a gantry frame, a fixing mechanism, a supporting mechanism, two cooperative robots and a welding robot, wherein the supporting mechanism is adopted by the automatic welding equipment to support a pre-bent large-curvature curved plate, the pre-bent large-curvature curved plate is clung to a core column part to form an arc-shaped part matched with the arc-shaped part, the arc-shaped part is shaped by the double cooperative robots, the arc-shaped part forms a cylindrical part wrapped outside the core column part, and then the welding is completed by the truss welding robot, so that the welding efficiency is obviously improved, and the quality of the welding equipment is superior to that of manual welding.
Description
Technical Field
The utility model relates to the technical field of aviation manufacturing, in particular to automatic welding equipment for a multi-layer workpiece.
Background
The multi-layer workpiece refers to a workpiece with at least two layers, and comprises a core column part positioned at the center and at least one layer of cylinder body wrapped outside the core column part, wherein the at least one layer of cylinder body is formed by rolling a thin plate into a cylinder and then welding the cylinder, and the multi-layer workpiece is widely applied in the aerospace field. Taking an aeroengine as an example, a great amount of heat is generated when the engine runs, and the generated high temperature easily causes the failure of parts such as electric elements on the engine, and a layer of heat insulation material is generally wrapped outside the engine. Since the heat insulating material has a soft texture, and is easily damaged by impact during assembly, maintenance and replacement, it is necessary to provide a protective cylinder on the outer surface of the heat insulating material, and the cylinder is usually made of a thin steel plate obtained by punching and cutting. In the prior art, the cylinder is manufactured by manually winding and welding the thin steel plate, and because a plurality of accessories such as a sensor and the like are arranged outside the engine, the cylinder consumes large manpower during manual pre-bending, shaping, lapping and welding of the protective shell, has low efficiency and affects mass production.
Therefore, how to weld at least one layer of cylinder body in a multi-layer workpiece in place to improve efficiency is one of the problems of extensive researches at present.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the multi-layer workpiece automatic welding equipment, which adopts the fixing mechanism to fix the inner core columnar piece, adopts the supporting mechanism to support the pre-bent large-curvature curved plate, enables the pre-bent large-curvature curved plate to cling to the inner core columnar piece to form an arc-shaped piece matched with the inner core columnar piece in radian, adopts the double-cooperation robot to shape the arc-shaped piece, enables the arc-shaped piece to form a cylindrical piece wrapped outside the inner core columnar piece, and then adopts the truss welding robot to finish welding, so that the welding efficiency is obviously improved. Of course, if the multi-layer workpiece is further provided with an intermediate layer between the inner core column and the cylinder to be welded, the intermediate layer needs to be wrapped on the inner core column before welding.
In order to achieve the above purpose, the utility model adopts the following specific scheme:
the utility model provides a multilayer work piece automatic weld equipment, multilayer work piece includes the kernel column that is located the center and wraps up in the outside at least one deck barrel of kernel column, and at least one deck barrel adopts the big camber curved panel that obtains by the sheet metal preflex to make, includes:
the gantry comprises a gantry frame, wherein a gantry guide rail is arranged at the top of the gantry frame, a base is arranged at the bottom of the gantry frame, and two parallel lower slide rails are arranged on the base at intervals;
the fixing mechanism is used for fixing the inner core columnar piece and is arranged in the middle of the two parallel lower sliding rails;
the supporting mechanism is arranged below the inner core column part, the extending direction of the supporting mechanism is consistent with the length direction of the inner core column part, the supporting mechanism comprises at least one cylinder vertically arranged on the base, a piston rod of the cylinder is connected with a supporting plate, three supporting strips are arranged on the supporting plate at intervals in parallel along the length direction of the inner core column part, the heights of the three supporting strip pairs are high outside and low inside, and under the action of the cylinder, a large-curvature curved plate arranged on the three supporting strips can be tightly attached to the inner core column part, so that an arc-shaped plate matched with the radian of the large-curvature curved plate can be formed;
the two cooperative robots can slide along the corresponding lower sliding rails, and the two cooperative robots are mutually matched to shape the arc-shaped plate, so that the arc-shaped plate is rolled into a cylindrical part;
the welding robot is used for welding the cylindrical part and can slide along the gantry guide rail;
and a main controller.
As an optimal scheme, a plurality of guide shafts are vertically fixed on the base, and the supporting plate is in sliding connection with the guide shafts.
As an optimal scheme, a limiting ring is arranged at the top of the guide shaft.
In the three support bars, a plurality of positioning blocks are arranged on the support bar with lower middle height along the length direction of the support bar at intervals, and the positioning blocks can be matched with the reserved holes on the large-curvature curved plate.
As an optimal scheme, the cooperative robot is provided with an arc-shaped sucker for sucking the arc-shaped plate through negative pressure.
As a preferable scheme, the fixing mechanism comprises two displacement machines which are arranged at intervals, and a three-jaw chuck for fixing the inner core column is arranged on the two displacement machines.
Preferably, the welding robot is provided with a camera at the laser welding head.
The beneficial effects are that:
(1) The automatic welding equipment comprises a gantry frame, a fixing mechanism, a supporting mechanism, two cooperative robots and a welding robot, wherein the supporting mechanism is used for supporting the pre-bent large-curvature curved plate, the pre-bent large-curvature curved plate is clung to the inner core columnar piece to form an arc-shaped piece matched with the inner core columnar piece in radian, the double cooperative robots are used for shaping the arc-shaped piece, the arc-shaped piece forms a cylindrical piece wrapped outside the inner core columnar piece, and then the truss welding robot is used for completing welding, so that the welding efficiency is obviously improved, and the welding quality is superior to that of manual welding.
(2) The automatic welding equipment has the advantages that after the automatic welding equipment is adopted for welding, a large amount of manpower is saved, and the welding quality and efficiency are improved. Especially has great significance for mass production of the prior aerospace equipment.
(3) Besides manual work such as feeding, fixing and disassembling, the welding process is automatic operation, and a foundation is laid for the construction of a further full-automatic production line.
Drawings
Fig. 1 is a schematic structural view of an automatic welding apparatus.
Fig. 2 is a schematic structural view of the welding robot.
Fig. 3 is a schematic structural view of the cooperative robot.
Fig. 4 is a schematic structural view of the pallet.
Fig. 5 is a schematic view of the workpiece partially welded to the protective shell.
The graphic indicia: 1. the gantry comprises a gantry frame, 11, a frame, 12, a vertical beam, 13, a gantry guide rail, 14 and a lower slide rail;
2. the device comprises a fixing mechanism 21, a driving positioner 22, a driven positioner 23 and a three-jaw chuck;
3. 31, 32, 33, 34, 35, 36, 37 and 37, and a laser welding head;
4. collaborative robot, 41, collaborative robot stand, 42, collaborative robot waist, 43, collaborative robot shoulder, 44, collaborative robot upper arm, 45, collaborative robot forearm, 46, collaborative robot wrist, 47, arc suction cup;
5. a core column;
6. protective shell, 61, protective shell I,62, protective shell II,63, protective shell III;
7. the device comprises a supporting mechanism 71, side supporting strips 72, middle supporting strips 73, positioning blocks 74, supporting plates 75, a guide shaft fixing seat 76, a guide shaft 77, a linear bearing 78, a limiting ring 79 and a cylinder;
8. and a heat insulating layer.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below in connection with specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
The utility model discloses automatic welding equipment for multi-layer workpieces, referring to fig. 1 to 4, which mainly comprises a main controller, a gantry frame 1, a fixing mechanism 2, a welding robot 3, a cooperative robot 4 and a supporting mechanism 7.
The gantry frame 1 is mainly used for supporting the welding robot 3, the gantry frame 1 comprises a base 11, vertical beams 12 are arranged on two opposite sides of the base 11, the tops of the two vertical beams 12 are connected through a cross beam, a gantry guide rail 13 is arranged on the cross beam, and the welding robot 3 is arranged on the gantry guide rail 13 and can slide along the gantry guide rail 13. Two parallel lower slide rails 14 are arranged on the base 11 at intervals, and the lower slide rails 14 are in sliding fit with the cooperative robot 4.
The fixing mechanism 2 is used for fixing the inner core column-shaped piece 5, and the fixing mechanism 2 is arranged in the middle of two parallel lower sliding rails 14; the fixing mechanism comprises two driving position changing machines 21 and two driven position changing machines 22 which are arranged at intervals, and three-jaw chucks 23 for fixing the inner core column-shaped piece 5 are arranged on the two position changing machines 21 and 22.
The supporting mechanism 7 is arranged below the inner core column 5, the extending direction of the supporting mechanism is consistent with the length direction of the inner core column 5, the supporting mechanism 7 comprises at least one air cylinder 79 vertically arranged on the base 11, a piston rod of the air cylinder 79 is connected with a rectangular supporting plate 74, three supporting strips are arranged on the supporting plate 74 at intervals in parallel along the length direction of the inner core column 5, two side supporting strips 71 and an integrated middle supporting strip 72 are respectively arranged, and the heights of the two side supporting strips 71 are consistent and higher than those of the middle supporting strip 72. Under the action of the air cylinder 79, the large-curvature curved plate arranged on the three supporting strips can be clung to the inner core column part 5, so that an arc-shaped plate matched with the radian of the inner core column part is formed.
As a preferred embodiment of the utility model, a plurality of positioning blocks 73 are arranged on the middle supporting strip 72 at intervals along the length direction, and the positioning blocks 73 can be matched with the reserved holes on the large-curvature curved plate.
Preferably, cylinders 79 are connected to both ends of the pallet 74, so that the pallet 74 can be stably lifted.
As a preferred embodiment of the present utility model, mounting holes are formed in positions, adjacent to the four top corners, of the supporting plate 74, linear bearings 77 are mounted in the mounting holes, guide shaft fixing seats 75 are fixed on the base 11 corresponding to the positions of the mounting holes, guide shafts 76 are arranged on the respective guide shaft fixing seats 75, the guide shafts 76 penetrate through the linear bearings 77, and limiting rings 78 are connected to free ends of the guide shafts 76 to limit the travelling height of the supporting plate 74.
The two cooperative robots are mutually matched and used for shaping the arc-shaped plate, so that the arc-shaped plate is rolled into a cylindrical part. The two cooperative robots comprise a cooperative robot base 41, a cooperative robot waist 42, a cooperative robot shoulder 43, a cooperative robot upper arm 44, a cooperative robot forearm 45 and a cooperative robot wrist 46 which are sequentially connected, wherein the cooperative robot base 41 is matched with the lower slide rail 14, the cooperative robot wrist 46 is connected with an arc-shaped sucker 47, and the arc-shaped sucker 47 is adsorbed on a cylinder to be welded through negative pressure to replace the action of a human hand.
The welding robot 3 is used for welding cylindrical parts, and the welding robot 3 comprises a welding robot base 31, a welding robot waist 32, a welding robot shoulder 33, a welding robot arm 34, a welding robot wrist 35 and a welding robot hand 36 which are connected in sequence; the welding robot base 31 is connected with the gantry guide rail 13, a laser welding head 37 is arranged on a welding robot hand 36, a camera is arranged at the position of the welding robot hand 37, the position of the welding seam can be photographed through the camera, and the welding robot 3 can automatically position and adjust the pose for welding.
The welding robot 3 and the cooperative robot 4 are electrically connected with a main controller, and the main controller can adjust the posture of the robot and control the welding process of the welding robot 3.
If the length of the multi-layer workpiece is long, at least one cylinder may be welded in place in sections, and if the diameters of the sections of the inner core columnar member 5 are different, the cylinders should be welded in sections.
As a specific embodiment of the present utility model, the multi-layer workpiece is an aeroengine, and the aeroengine sequentially comprises a core column 5, an adiabatic protection structure (an adiabatic layer 8) and a protective shell 6 (an external protective layer) from inside to outside, and the protective shell is welded mainly by using the automatic welding equipment in the present utility model. Referring to fig. 1 to 5, a specific manufacturing method of the aero-engine is described below:
1) Calculating blanking according to the unfolding size of the protective shell 6;
2) A preformed hole is processed on the heat insulation layer 8 and the protective shell 6 according to the position of the accessory on the high temperature layer;
5) One end of the inner core column member 5 is arranged on a three-jaw chuck 23 of the driving positioner 21 by a worker, and the three-jaw chuck 23 on the driven positioner 22 is clamped at the other end of the inner core column member 5;
3) Installing a high-temperature layer fitting and wrapping a heat insulation layer 8;
4) Pre-bending the thin plate to form a large-curvature curved plate;
6) Embedding a preformed hole of the large-curvature curved plate into a positioning block 73 of the middle supporting strip 72 by a worker;
7) The cylinder 79 is jacked up to press the large-curvature curved surface plate on the inner core column member 5, and the large-curvature curved surface plate is pressed into an arc-shaped member matched with the radian of the inner core column member 5;
8) The worker attaches the arc suction cups 47 on the two cooperative robots 4 to the edges of the arc pieces;
9) The arc sucking disc 47 of the cooperative robot 4 drives the arc-shaped piece to be bent upwards, so that the two sides of the protective shell are aligned to form a cylindrical piece;
10 The welding robot 3 photographs the joint through a camera, determines the position of the welding seam, and automatically positions and adjusts the pose for welding;
11 After all the protective cases 6 (including but not limited to the protective case I61, the protective case II 62 and the protective case III 63) are welded and assembled in sequence, the multilayer cylindrical workpiece is detached from the positioner for standby.
Wherein, protective housing 6 be 0.5-1mm thick corrosion resistant plate, through punching press cutting out, be equipped with on the protective housing 6 and subtract preformed hole for reuse, preformed hole also uses as the locating hole.
The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. All equivalent changes or modifications made according to the essence of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a multilayer work piece automatic weld equipment, multilayer work piece includes the kernel column that is located the center and wraps up in the outside at least one deck barrel of kernel column, and at least one deck barrel adopts the big camber curved panel that obtains by the sheet metal preflex to make, its characterized in that includes:
the gantry comprises a gantry frame, wherein a gantry guide rail is arranged at the top of the gantry frame, a base is arranged at the bottom of the gantry frame, and two parallel lower slide rails are arranged on the base at intervals;
the fixing mechanism is used for fixing the inner core columnar piece and is arranged in the middle of the two parallel lower sliding rails;
the supporting mechanism is arranged below the inner core column part, the extending direction of the supporting mechanism is consistent with the length direction of the inner core column part, the supporting mechanism comprises at least one cylinder vertically arranged on the base, a piston rod of the cylinder is connected with a supporting plate, three supporting strips are arranged on the supporting plate at intervals in parallel along the length direction of the inner core column part, the heights of the three supporting strip pairs are high outside and low inside, and under the action of the cylinder, a large-curvature curved plate arranged on the three supporting strips can be tightly attached to the inner core column part, so that an arc-shaped plate matched with the radian of the large-curvature curved plate can be formed;
the two cooperative robots can slide along the corresponding lower sliding rails, and the two cooperative robots are mutually matched to shape the arc-shaped plate, so that the arc-shaped plate is rolled into a cylindrical part;
the welding robot is used for welding the cylindrical part and can slide along the gantry guide rail;
and a main controller.
2. The automatic multi-layer workpiece welding equipment according to claim 1, wherein a plurality of guide shafts are vertically fixed on the base, and the supporting plate is slidably connected with the plurality of guide shafts.
3. The automatic multi-layer workpiece welding equipment according to claim 2, wherein a limiting ring is arranged at the top of the guide shaft.
4. The automatic multi-layer workpiece welding equipment according to claim 1, wherein among the three supporting strips, a plurality of positioning blocks are arranged on the supporting strip with lower middle height at intervals along the length direction of the supporting strip, and the positioning blocks can be matched with the reserved holes on the large-curvature curved plate.
5. The automatic multi-layered workpiece welding apparatus according to claim 1, wherein the cooperative robot is provided with an arc suction cup for sucking the arc plate by negative pressure.
6. The automatic multi-layered workpiece welding apparatus according to claim 1, wherein the fixing mechanism comprises two displacers arranged at intervals, and three-jaw chucks for fixing the inner core column member are provided on the two displacers.
7. The automatic multi-layered workpiece welding apparatus according to claim 1, wherein the welding robot is provided with a camera at the laser welding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299361.8U CN220659564U (en) | 2023-08-25 | 2023-08-25 | Automatic welding equipment for multilayer workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299361.8U CN220659564U (en) | 2023-08-25 | 2023-08-25 | Automatic welding equipment for multilayer workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220659564U true CN220659564U (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322299361.8U Active CN220659564U (en) | 2023-08-25 | 2023-08-25 | Automatic welding equipment for multilayer workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220659564U (en) |
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2023
- 2023-08-25 CN CN202322299361.8U patent/CN220659564U/en active Active
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