CN221582334U - Friction stir welding additive manufacturing equipment - Google Patents
Friction stir welding additive manufacturing equipment Download PDFInfo
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- CN221582334U CN221582334U CN202322974619.XU CN202322974619U CN221582334U CN 221582334 U CN221582334 U CN 221582334U CN 202322974619 U CN202322974619 U CN 202322974619U CN 221582334 U CN221582334 U CN 221582334U
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- main shaft
- friction stir
- stir welding
- additive manufacturing
- welding additive
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Abstract
The utility model relates to the technical field of friction stir welding additive manufacturing equipment, and particularly discloses friction stir welding additive manufacturing equipment, which comprises a base, wherein a workbench is arranged on the base in a sliding manner, the workbench is connected with an X-axis translation driving mechanism, upright posts are fixedly arranged on two sides of the base, a cross beam is fixedly arranged at the upper end of each upright post, a sliding block is arranged on the cross beam in a sliding manner, the sliding block is connected with a Y-axis translation driving mechanism, a main shaft box is arranged on the sliding block in a sliding manner, the main shaft box is connected with a Z-axis translation driving mechanism, and a main shaft is rotatably arranged in the main shaft box; the lower end of the main shaft is fixedly provided with a hydraulic chuck; the main shaft is connected with a rotary driving mechanism; the upper end of the main shaft is connected with a lifting mechanism; the workbench is provided with a storage box; the bar is placed in the storage box. Compared with the prior art, friction stir welding additive manufacturing of the fork-shaped ring can be completed.
Description
Technical Field
The utility model relates to the technical field of friction stir welding additive manufacturing equipment, and particularly discloses friction stir welding additive manufacturing equipment.
Background
With the rapid development of domestic commercial aerospace industry, new requirements are put forward for rocket manufacture, and on the basis of traditional meeting use, new requirements of high quality and high efficiency are put forward. The rocket storage tank is a pressure container for storing low-temperature fuel and oxidant, is an important component of the rocket body structure, and the structural strength of the storage tank directly influences the success or failure of rocket launching; the key parts of the storage tank, namely the fork-shaped ring, are used for connecting the parts such as the barrel section, the tank bottom, the short shell and the like, and have high requirements on strength, rigidity and the like, and the quality of the fork-shaped ring directly influences the integral reliability of the storage tank. At present, most of the production of the fork-shaped ring of the large rocket tank adopts the processes of plate stretch bending and numerical control milling after splice welding, and the production process has the limiting factors of more production steps, difficult splice welding operation, difficult quality assurance, lower qualification rate, longer time consumption and the like, so that the high-efficiency and high-quality production of the fork-shaped ring of the rocket tank is severely restricted, and therefore, a new method which can meet the process requirements and has high quality is urgently required to be developed.
At present, in the industry, a fusion welding method is mostly adopted in additive manufacturing (3D printing) of metals, namely laser, electric arc, plasma beam and the like are adopted as heat sources to melt base metal, but because the heat source temperature is higher than a melting point, defects such as air holes, cracks, slag inclusion, welding stress and the like are easy to generate when the materials are solidified, the performance of workpieces is reduced, and the quality requirements of a space storage box are difficult to meet. The friction stir welding is a technology for plasticizing and forming a material by utilizing friction heat, and because the material is not melted and the friction heat temperature is low, the defects of air holes, cracks and the like can be effectively reduced, the deformation and stress are small, and the overall performance of a workpiece is high.
Therefore, the fork-shaped ring manufactured by friction stir welding additive not only can simplify the existing manufacturing process of the fork-shaped ring and improve the efficiency and the qualification rate, but also can obtain high-performance parts with fine grains, no air holes, no cracks, small residual stress and small deformation.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides friction stir welding additive manufacturing equipment, which aims to solve the problem that friction stir welding additive manufacturing equipment is absent in fork-shaped ring manufacturing.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
The friction stir welding additive manufacturing equipment comprises a base, wherein a workbench is arranged on the base in a sliding manner, the workbench is connected with an X-axis translation driving mechanism, upright posts are fixedly arranged on two sides of the base, a cross beam is fixedly arranged at the upper end of each upright post, a sliding block is arranged on each cross beam in a sliding manner, the sliding block is connected with a Y-axis translation driving mechanism, a spindle box is arranged on each sliding block in a sliding manner, the spindle box is connected with a Z-axis translation driving mechanism, and a spindle is rotatably arranged in the spindle box; the lower end of the main shaft is fixedly provided with a hydraulic chuck; the main shaft is connected with a rotary driving mechanism; the upper end of the main shaft is connected with a lifting mechanism; the workbench is provided with a storage box; the bar is placed in the storage box. During the use, fixed fork-shaped ring work piece on the workstation, through X axle translation actuating mechanism, Y axle translation actuating mechanism and Z axle translation actuating mechanism control headstock translation, utilize hydraulic chuck to snatch the rod from the bin, carry out friction stir welding to fork-shaped ring work piece through rotary actuating mechanism and elevating system, accomplish the friction stir welding additive manufacturing of fork-shaped ring. The positioning and motion control with high precision can be realized, and the adjustment can be performed according to different workpiece shapes and sizes, so that more efficient and more accurate machining can be realized.
Preferably, the rotary drive mechanism comprises a servo motor; the servo motor is fixedly arranged on the outer wall of the spindle box; the servo motor is connected with the main shaft through the connecting component and is used for driving the main shaft to rotate.
Preferably, the connection assembly comprises an active synchronizing wheel; the driving synchronous wheel is arranged on the output shaft of the servo motor; the driving synchronous wheel is connected with a driven synchronous wheel through a synchronous belt; the driven synchronizing wheel is arranged on the main shaft.
Preferably, the upper end of the main shaft is provided with an external spline; the driven synchronous wheel is provided with an internal spline and is meshed with an external spline of the main shaft; the driven synchronous wheel is rotatably arranged in the main shaft box. The main shaft is guaranteed to rotate and can be lifted under the driving of the lifting mechanism.
Preferably, the lifting mechanism comprises a servo cylinder; the servo electric cylinder is fixedly arranged in the spindle box; the output end of the servo electric cylinder is connected with the upper end of the main shaft.
Preferably, the upper end of the main shaft is rotatably arranged on the top block; the ejector block is fixedly arranged at the output end of the servo electric cylinder. The setting of kicking block can guarantee the rotation of main shaft, can drive through servo electric jar simultaneously and go up and down.
Preferably, a fixed seat is arranged at the lower end of the servo electric cylinder body, so that the lifting stability of the servo electric cylinder is ensured.
Preferably, a placing plate is fixedly arranged in the storage box; round holes are arrayed on the placing plate; the round hole is internally provided with a bar.
Preferably, a cat ladder is arranged on one side of the upright post.
The beneficial effects of the utility model are as follows: during the use, fixed fork-shaped ring work piece on the workstation, through X axle translation actuating mechanism, Y axle translation actuating mechanism and Z axle translation actuating mechanism control headstock translation, utilize hydraulic chuck to snatch the rod from the bin, carry out friction stir welding to fork-shaped ring work piece through rotary actuating mechanism and elevating system, accomplish the friction stir welding additive manufacturing of fork-shaped ring. The positioning and motion control with high precision can be realized, and the adjustment can be performed according to different workpiece shapes and sizes, so that more efficient and more accurate machining can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a schematic structural view of the headstock of the present utility model.
Reference numerals illustrate:
The device comprises a 1-main shaft box, a 2-sliding block, a 3-guide rail, a 4-cross beam, a 5-upright post, a 6-workbench, a 7-fork-shaped ring workpiece, an 8-storage box, a 9-base, a 10-sliding table, a 11-bar, a 12-climbing ladder, a 13-heavy load lead screw, a 14-motor, a 15-servo motor, a 16-controller, a 17-driving synchronous wheel, a 18-synchronous belt, a 19-hydraulic chuck, a 20-fixed flange, a 21-main shaft, a 22-driven synchronous wheel, a 23-jacking block, a 24-fixed seat and a 25-servo electric cylinder.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
1-2, The friction stir welding additive manufacturing equipment comprises a base 9, wherein a workbench 6 is arranged on the base 9 in a sliding manner, the workbench 6 is connected with an X-axis translation driving mechanism, the X-axis translation driving mechanism comprises a first linear guide rail, a sliding table 10 is fixedly arranged on the bottom surface of the workbench 6, the sliding table 10 is arranged on the first linear guide rail in a sliding manner, the workbench 6 is arranged on a nut of the first ball screw, and the first ball screw is driven by a motor; the two sides of the base 9 are fixedly provided with upright posts 5, the upper ends of the upright posts 5 are fixedly provided with cross beams 4, the cross beams 4 are provided with sliding blocks 2 in a sliding manner, the sliding blocks 2 are connected with Y-axis translation driving mechanisms, the Y-axis translation driving mechanisms comprise guide rails 3, the two sides of the sliding blocks 2 are arranged on the guide rails 3 in a sliding manner, the middle part of the bottom surface of each sliding block 2 is arranged on a nut of a heavy-duty lead screw 13, and the heavy-duty lead screws 13 are connected with motors; the sliding block 2 is provided with a spindle box 1 in a sliding manner, the spindle box 1 is connected with a Z-axis translation driving mechanism, the Z-axis translation driving mechanism comprises a motor 14 arranged at the upper end of the sliding block 2, the output end of the motor 14 is connected with a ball screw II, a nut of the ball screw II is connected with the spindle box 1, two sides of the rear end of the spindle box 1 are arranged on a linear guide rail II, and the linear guide rail II is arranged on the sliding block 2.
Wherein, the main shaft box 1 is rotationally provided with a main shaft 21; the lower end of the main shaft 21 is fixedly provided with a hydraulic chuck 19; the main shaft 21 is connected with a rotary driving mechanism; the upper end of the main shaft 21 is connected with a lifting mechanism; the workbench 6 is provided with a storage box 8; a rod 11 is placed in the storage box 8. During the use, fixed fork-shaped ring work piece 7 on workstation 6, through X axle translation actuating mechanism, Y axle translation actuating mechanism and Z axle translation actuating mechanism control headstock 1 translation, utilize hydraulic chuck 19 to snatch rod 11 from the bin 8 in, carry out friction stir welding to fork-shaped ring work piece 7 through rotary actuating mechanism and elevating system, accomplish the friction stir welding vibration material-increasing of fork-shaped ring and make. The positioning and motion control with high precision can be realized, and the adjustment can be performed according to different workpiece shapes and sizes, so that more efficient and more accurate machining can be realized. A placing plate is fixedly arranged in the storage box 8; round holes are arrayed on the placing plate; the bar 11 is placed in the round hole, so that the bar 11 can be conveniently grabbed, and the translation paths of the X-axis translation driving mechanism, the Y-axis translation driving mechanism and the Z-axis translation driving mechanism can be conveniently set. One side of the upright post 5 is provided with a cat ladder 12, so that the maintenance and personnel operation are facilitated.
In the above arrangement, the rotary driving mechanism includes a servo motor 15, and a controller 16 is provided on the servo motor 15; the servo motor 15 is fixedly arranged on the outer wall of the spindle box 1; the servo motor 15 is connected with the main shaft 21 through a connecting component and is used for driving the main shaft 21 to rotate. The connection assembly comprises an active synchronizing wheel 17; the driving synchronous wheel 17 is arranged on the output shaft of the servo motor 15; the driving synchronizing wheel 17 is connected with a driven synchronizing wheel 22 through a synchronizing belt 18; the driven synchronizing wheel 22 is provided on the main shaft 21. The upper end of the main shaft 21 is provided with an external spline; the driven synchronizing wheel 22 is provided with an internal spline and is meshed with an external spline of the main shaft 21; the driven synchronizing wheel 22 is rotatably arranged in the spindle box 1, so that the spindle 21 can be driven by the lifting mechanism to lift while rotating. The lifting mechanism comprises a servo electric cylinder 25; the servo electric cylinder 25 is fixedly arranged in the spindle box 1; the output end of the servo electric cylinder 25 is connected with the upper end of the main shaft 21. The upper end of the main shaft 21 is rotatably arranged on the top block 23; the top block 23 is fixedly arranged at the output end of the servo cylinder 25. The top block 23 can ensure the rotation of the main shaft 21 and can be driven to lift by the servo cylinder 25. The lower end of the main shaft 21 is arranged on a fixed flange 20 through a bearing, and the fixed flange 20 is arranged at the lower end of the main shaft box 1 through bolts. The lower end of the cylinder body of the servo electric cylinder 25 is provided with a fixed seat 24, so that the lifting stability of the servo electric cylinder 25 is ensured.
In the embodiment, the diameter of the bar 11 for material addition is 30mm, the length is 500mm, the torque of the main shaft 21 is more than or equal to 200Nm, the rotating speed of the main shaft 21 is 1000-2500mm/min, the welding speed of the material addition is 100-500mm/min, and the single-layer material addition thickness is 0.5-2.0mm.
Although the present utility model has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present utility model is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present utility model by those skilled in the art without departing from the spirit and scope of the present utility model, and it is intended that all such modifications and substitutions be within the scope of the present utility model/be within the scope of the present utility model as defined by the appended claims. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (9)
1. The friction stir welding additive manufacturing equipment comprises a base (9), wherein a workbench (6) is arranged on the base (9) in a sliding manner, an X-axis translation driving mechanism is connected with the workbench (6), stand columns (5) are fixedly arranged on two sides of the base (9), a cross beam (4) is fixedly arranged at the upper ends of the stand columns (5), a sliding block (2) is arranged on the cross beam (4) in a sliding manner, the sliding block (2) is connected with a Y-axis translation driving mechanism, a spindle box (1) is arranged on the sliding block (2) in a sliding manner, and a Z-axis translation driving mechanism is connected with the spindle box (1), and the friction stir welding additive manufacturing equipment is characterized in that a spindle (21) is arranged in the spindle box (1) in a rotating manner; a hydraulic chuck (19) is fixedly arranged at the lower end of the main shaft (21); the main shaft (21) is connected with a rotary driving mechanism; the upper end of the main shaft (21) is connected with a lifting mechanism; a storage box (8) is arranged on the workbench (6); the storage box (8) is internally provided with bars (11).
2. Friction stir welding additive manufacturing apparatus according to claim 1, characterized in that the rotary drive mechanism comprises a servo motor (15); the servo motor (15) is fixedly arranged on the outer wall of the spindle box (1); the servo motor (15) is connected with the main shaft (21) through a connecting component and is used for driving the main shaft (21) to rotate.
3. Friction stir welding additive manufacturing apparatus according to claim 2, characterized in that the connection assembly comprises an active synchronizing wheel (17); the driving synchronous wheel (17) is arranged on the output shaft of the servo motor (15); the driving synchronizing wheel (17) is connected with a driven synchronizing wheel (22) through a synchronizing belt (18); the driven synchronizing wheel (22) is arranged on the main shaft (21).
4. A friction stir welding additive manufacturing apparatus according to claim 3 characterized in that the upper end of the main shaft (21) is provided with external splines; the driven synchronous wheel (22) is provided with an internal spline and is meshed with an external spline of the main shaft (21); the driven synchronizing wheel (22) is rotatably arranged in the main shaft box (1).
5. Friction stir welding additive manufacturing apparatus according to claim 1, characterized in that the lifting mechanism comprises a servo cylinder (25); the servo electric cylinder (25) is fixedly arranged in the spindle box (1); the output end of the servo electric cylinder (25) is connected with the upper end of the main shaft (21).
6. The friction stir welding additive manufacturing apparatus of claim 5 wherein the upper end of the main shaft (21) is rotatably disposed on the top block (23); the top block (23) is fixedly arranged at the output end of the servo electric cylinder (25).
7. The friction stir welding additive manufacturing apparatus of claim 5 wherein a fixed seat (24) is provided at a lower end of a cylinder body of the servo cylinder (25).
8. Friction stir welding additive manufacturing equipment according to claim 1, characterized in that a placement plate is fixedly arranged in the storage tank (8); round holes are arrayed on the placing plate; the round hole is internally provided with a bar (11).
9. Friction stir welding additive manufacturing equipment according to claim 1, characterized in that a ladder (12) is provided on one side of the upright (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322974619.XU CN221582334U (en) | 2023-11-03 | 2023-11-03 | Friction stir welding additive manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322974619.XU CN221582334U (en) | 2023-11-03 | 2023-11-03 | Friction stir welding additive manufacturing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221582334U true CN221582334U (en) | 2024-08-23 |
Family
ID=92417929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322974619.XU Active CN221582334U (en) | 2023-11-03 | 2023-11-03 | Friction stir welding additive manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221582334U (en) |
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2023
- 2023-11-03 CN CN202322974619.XU patent/CN221582334U/en active Active
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