Friction Stir Additive Manufacturing Device and Control Method

Abstract

The present invention relates to the technical field of friction stir additive manufacturing equipment. The present invention discloses a friction stir additive manufacturing device and a control method. The friction stir additive manufacturing device includes: a base for carrying a base material; a tool head assembly movably arranged on the base, the tool head assembly being provided with a feed inlet and a discharge outlet, the discharge outlet communicating with the feed inlet, and the discharge outlet being used for discharging the additive material onto the base material; a robotic arm arranged on the base or the tool head assembly, the robotic arm being used for transferring the additive material to the feed inlet. The present invention uses a robotic arm to transfer the additive material, reduces manual labor, thereby improving the automation level, improving the efficiency, reducing the production time, eliminating errors caused by human factors, and improving the overall manufacturing efficiency and the quality stability of the work.

Description

Technical Field

[0001] The present invention relates to the technical field of friction stir additive manufacturing equipment, and in particular to a friction stir additive manufacturing device and a control method thereof. Background Art

[0002] Friction Stir Additive Manufacturing (FSAM) is a new type of solid-phase additive manufacturing technology. By using a rotating tool head based on the principle of heat generation by friction, it promotes the additive material (such as metal, alloy, etc.) to enter the plastic state and then deposits layer by layer to form complex structures. Compared with traditional additive manufacturing technologies, friction stir additive manufacturing technology has significant advantages in aspects such as thermal crack control, deformation control, and improvement of workpiece performance of materials, so it is widely used in the manufacturing of aerospace, automotive, energy, and high-performance structural components.

[0003] Although this technology has many advantages, there are still some challenges that need to be urgently solved in actual operation, especially in the supply and transportation of additive materials. Currently, the process of friction stir additive manufacturing requires manually feeding additive materials such as bars one by one into the tool head assembly. This process is not only very cumbersome but also inefficient, significantly increasing the production time and reducing the automation and production efficiency of the manufacturing process.

[0004] Since the additive material is continuously supplied to the tool head assembly throughout the additive manufacturing process, the traditional manual feeding method not only affects the production efficiency but also may introduce errors caused by human factors during the operation. In addition, since each bar needs to be loaded into the tool head one by one, the working intensity of the operator is relatively large, and it is difficult to achieve continuous and stable material supply, thus restricting the automation level of the production line and further affecting the overall manufacturing efficiency and the quality stability of the workpiece. Summary of the Invention

[0005] The present invention aims to at least solve one of the technical problems existing in the prior art. For this purpose, the present invention provides a friction stir additive manufacturing device, which improves the efficiency and the quality stability.

[0006] A friction stir additive manufacturing device according to an embodiment of the present invention includes: a base for carrying a base material; a tool head assembly movably provided on the base, the tool head assembly being provided with a feed port and a discharge port, the discharge port communicating with the feed port, and the discharge port being used for discharging the additive material onto the base material; a robotic arm provided on the base or the tool head assembly, the robotic arm being used for transferring the additive material to the feed port.

[0007] According to the friction stir additive manufacturing device of the embodiments of the present invention, a robotic arm is used to transfer the additive material, reducing manual labor, thereby improving the automation level, increasing the efficiency, reducing the production time, eliminating the errors caused by human factors, and improving the overall manufacturing efficiency and the quality stability of the work.

[0008] In some embodiments, the friction stir additive manufacturing device further includes: a silo for containing the additive material; a transfer assembly connected to the silo, the transfer assembly having a fixed-point execution space, and the robotic arm is configured to transfer the additive material within the fixed-point execution space to the feed port.

[0009] In some embodiments, the tool head assembly is provided with a first baffle, the first baffle is disposed on the transfer path of the additive material on the transfer assembly, and the first baffle and the transfer assembly jointly define the fixed-point execution space.

[0010] In some embodiments, the first baffle is provided with a first identification member, the feed port is provided with a second identification member, the robotic arm is electrically connected to a control member, and the control member is electrically connected to an identification reading member.

[0011] In some embodiments, the transfer assembly includes: a first transfer mechanism extending in the height direction, the first transfer mechanism being connected to the silo; a second transfer mechanism extending in the horizontal direction, the second transfer mechanism being connected to the first transfer mechanism, and the fixed-point execution space is disposed on the second transfer mechanism.

[0012] In some embodiments, the first transfer mechanism includes: a conveying flexible member extending in the height direction; a conveying member disposed on the conveying flexible member; and a first driving member connected to the conveying flexible member to drive the conveying member to move in the height direction.

[0013] In some embodiments, the second transfer mechanism includes: a conveyor belt, the first baffle being disposed above the conveyor belt; and a second driving member connected to the conveyor belt to drive the conveyor belt.

[0014] In some embodiments, second baffles are provided on opposite sides of the conveyor belt, and the second baffles define a limiting space, and the additive material is placed within the limiting space.

[0015] In some embodiments, a first track is provided on the base, the tool head assembly is provided with a mating member, and the mating member is movably connected to the first track, and the first track is configured to be parallel to the conveyor belt.

[0016] In some embodiments, the tool head assembly includes: a first moving base movably disposed on the base and configured to move in a first direction; a second moving base movably disposed on the first moving base and configured to move in a second direction perpendicular to the first direction; wherein the feed inlet and the discharge outlet are disposed on the second moving base, and the robotic arm is disposed on the first moving base.

[0017] A control method for a friction stir additive manufacturing device according to an embodiment of the present invention, the friction stir additive manufacturing device including: a base, a tool head assembly, and a robotic arm, the control method including: obtaining a loading signal; controlling the robotic arm to transfer additive material to the feed inlet on the tool head assembly.

[0018] According to the control method of the friction stir additive manufacturing device of the embodiment of the present invention, using a robotic arm to transfer additive material reduces manual labor, thereby improving the automation level, increasing efficiency, reducing production time, eliminating errors caused by human factors, and improving the overall manufacturing efficiency and quality stability of the work.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, wherein:

[0021] Figure 1 is a schematic structural diagram of a friction stir additive manufacturing device in an embodiment of the present invention;

[0022] Figure 2 is a schematic diagram of the positions of a material bin and a transfer assembly in an embodiment of the present invention;

[0023] Figure 3 is a schematic diagram of the positions of a robotic arm and a transfer assembly in an embodiment of the present invention;

[0024] Figure 4 is a schematic diagram of the positions of a first transfer mechanism and a second transfer mechanism in an embodiment of the present invention;

[0025] Figure 5 is a schematic structural diagram of the first transfer mechanism in an embodiment of the present invention;

[0026] Figure 6 is a schematic structural diagram of the second transfer mechanism in an embodiment of the present invention;

[0027] Figure 7Schematic diagram of the first identification member and the second identification member in the embodiments of the present invention;

[0028] Figure 8 Flow chart of the control method in the embodiments of the present invention;

[0029] Figure 9 Specific control flow chart of the friction stir additive manufacturing device in the embodiments of the present invention.

[0030] Reference numerals:

[0031] 100, friction stir additive manufacturing device;

[0032] 10, base; 11, first track;

[0033] 20, tool head assembly; 21, feed inlet; 211, second identification member; 22, discharge outlet; 23, first baffle; 231, first identification member; 24, fitting; 25, first moving seat; 26, second moving seat;

[0034] 30, robotic arm; 40, silo;

[0035] 50, transfer assembly; 51, first transfer mechanism; 511, conveying flexible member; 512, conveying member; 513, first driving member; 52, second transfer mechanism; 521, conveyor belt; 522, second driving member; 523, second baffle; 5231, limiting space; 200, base material; 300, additive material. Detailed description of the specific implementation

[0036] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0037] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0038] In addition, features defined with "first" and "second" may explicitly or implicitly include one or more of such features, which are used to distinguish and describe features, without any order or importance.

[0039] In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "mounted", "connected" and "coupled" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0041] The friction stir additive manufacturing device 100 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0042] Refer to Figure 1 , a friction stir additive manufacturing device 100 according to an embodiment of the present invention, the friction stir additive manufacturing device 100 includes: a base 10, a tool head assembly 20 and a robotic arm 30.

[0043] The base 10 is used to carry the substrate 200. The tool head assembly 20 is movably disposed on the base 10. The tool head assembly 20 is provided with a feed inlet 21 and a discharge outlet 22. The discharge outlet 22 communicates with the feed inlet 21, and the discharge outlet 22 is used to discharge the additive material 300 onto the substrate 200. The robotic arm 30 is disposed on the base 10 or the tool head assembly 20, and the robotic arm 30 is used to transfer the additive material 300 to the feed inlet 21.

[0044] Wherein, the substrate 200 is placed on the base 10. The tool head assembly 20 generates heat by friction to make the additive material 300 enter the plastic state and deposit layer by layer on the substrate 200, thereby completing the manufacturing process. The additive material 300 enters the tool head assembly 20 from the feed inlet 21, then moves to the discharge outlet 22, and the additive material 300 discharged from the discharge outlet 22 is in a plastic state, so as to deposit layer by layer on the basis of the substrate 200. The movable robotic arm 30 is used for the transfer of the additive material 300 and transfers the additive material 300 to the feed inlet 21.

[0045] Friction Stir Additive Manufacturing (FSAM) is a new type of solid-phase additive manufacturing technology. By using a rotating tool head based on the principle of heat generation through friction, it promotes the additive materials (such as metals, alloys, etc.) into a plastic state and then deposits them layer by layer to form complex structures. Compared with traditional additive manufacturing technologies, friction stir additive manufacturing technology has significant advantages in aspects such as thermal crack control, deformation control, and improvement of workpiece performance of materials. Therefore, it is widely used in the manufacturing of aerospace, automotive, energy, and high-performance structural components.

[0046] Although this technology has many advantages, there are still some challenges that need to be solved urgently in actual operation, especially in the supply and transportation of additive materials. Currently, the process of friction stir additive manufacturing requires the additive materials such as bars to be manually fed into the tool head assembly one by one. This process is not only very cumbersome but also inefficient, significantly increasing the production time and reducing the automation and production efficiency of the manufacturing process.

[0047] Since the additive materials are supplied to the tool head assembly in a continuous manner throughout the additive manufacturing process, the traditional manual feeding method not only affects the production efficiency but also may introduce errors caused by human factors during the operation. In addition, since each bar needs to be loaded into the tool head one by one, the working intensity of the operator is relatively large, and it is difficult to achieve continuous and stable material supply, thus restricting the automation level of the production line and further affecting the overall manufacturing efficiency and the quality stability of the workpiece.

[0048] In the embodiments of the present invention, by setting the robotic arm 30 to transfer the additive material 300 to the feeding port 21, the automation level is improved, thereby improving the efficiency, reducing the production time, increasing the automation and production efficiency of the manufacturing process, eliminating the errors caused by human factors, increasing the overall automation level of the production line, and thus improving the overall manufacturing efficiency and the quality stability of the workpiece.

[0049] In some specific embodiments, the robotic arm 30 is installed on the base 10; in other specific embodiments, the robotic arm 30 is installed on the tool head assembly 20.

[0050] Specifically, the robotic arm 30 can adsorb the additive material 300 by negative pressure or clamp the additive material 300.

[0051] According to the friction stir additive manufacturing device 100 of the embodiments of the present invention, by using the robotic arm 30 to transfer the additive material 300, the manual labor is reduced, thereby improving the automation level, increasing the efficiency, reducing the production time, eliminating the errors caused by human factors, and improving the overall manufacturing efficiency and the quality stability of the work.

[0052] Refer to Figure 2, in some embodiments, the friction stir additive manufacturing device 100 further includes: a material bin 40 and a transfer assembly 50.

[0053] The material bin 40 is used to hold the additive material 300. The transfer assembly 50 is connected to the material bin 40. The transfer assembly 50 is provided with a fixed-point execution space, and the robotic arm 30 is configured to transfer the additive material 300 within the fixed-point execution space to the feed inlet 21.

[0054] Among them, the additive material 300 is placed in the material bin 40, the transfer assembly 50 transfers the additive material 300 to the fixed-point execution space, and the robotic arm 30 transfers the additive material 300 within the fixed-point execution space. The fixed-point execution space is located on the transfer assembly 50. The fixed-point execution space is a manually set space, and the fixed-point execution space provides positioning for the robotic arm 30.

[0055] In the above solution, by providing the material bin 40 as an initial placement point, the material bin 40 can store multiple portions of the additive material 300, thereby further improving the automation level, making the additive manufacturing process continuous, thus improving the efficiency. And by setting the fixed-point execution space, compared with a variable grasping point, the fixed-point execution space fixed at one position makes the control more convenient, simplifies the operation difficulty, and improves the convenience.

[0056] Refer to Figure 3 , in some embodiments, the tool head assembly 20 is provided with a first baffle 23. The first baffle 23 is disposed on the transfer path of the additive material 300 on the transfer assembly 50, and the first baffle 23 and the transfer assembly 50 jointly define the fixed-point execution space.

[0057] Among them, the first baffle 23 is located on the transfer path of the additive material 300. The first baffle 23 stops the additive material 300, so that the additive material 300 stays in the space close to the first baffle 23. Relative to the first baffle 23, different additive materials 300 always stay in the same position. And relative to the base 10, the position where the additive material 300 stays can be an absolute fixed point or a relative fixed point.

[0058] In the above solution, by setting the first baffle 23 on the tool head assembly 20 and using the first baffle 23 to stop the additive material 300, even if the tool head assembly 20 moves, the relative position of the additive material 300 to the tool head assembly 20 always remains unchanged. The robotic arm 30 repeats the same steps when transferring different additive materials 300, thereby further reducing the operation difficulty and improving the convenience.

[0059] It should be noted that the fixed-point execution space is jointly defined by the first baffle 23 and the transfer assembly 50. The fixed-point execution space is not necessarily fixed relative to the transfer assembly 50. Relative to the transfer assembly 50, the position of the fixed-point execution space can change.

[0060] Reference Figure 6 、 Figure 7 In some embodiments, a first identification member 231 is provided on the first baffle 23, a second identification member 211 is provided at the feed inlet 21, the robotic arm 30 is electrically connected to a control member, and the control member is electrically connected to an identification reading member.

[0061] Among them, the identification reading member is associated with the first identification member 231 and the second identification member 211. The identification reading member is used to obtain the position information of the first identification member 231 and the second identification member 211, and transmit the obtained position information to the control member. The control member processes the position information, and the control member controls the movement of the robotic arm 30. The robotic arm 30 accurately transfers the additive material 300 from the fixed-point execution space to the feed inlet 21.

[0062] In the above solution, through the association of the identification reading member with the first identification member 231 and the second identification member 211, the material taking position of the robotic arm 30 is determined by using the first identification member 231, and the material feeding position of the robotic arm 30 is determined by using the second identification member 211. With secondary feedback, the accuracy is improved.

[0063] Specifically, the first identification member 231 can be a light-emitting ball or a sensor, and the second identification member 211 can be a light-emitting ball or a sensor.

[0064] Reference Figures 1 to 4 In some embodiments, the transfer assembly 50 includes: a first transfer mechanism 51 and a second transfer mechanism 52.

[0065] The first transfer mechanism 51 extends in the height direction, and the first transfer mechanism 51 is connected to the material bin 40. The second transfer mechanism 52 extends in the horizontal direction, the second transfer mechanism 52 is connected to the first transfer mechanism 51, and the fixed-point execution space is provided on the second transfer mechanism 52.

[0066] Among them, the additive material 300 in the material bin 40 is transferred from the first transfer mechanism 51 to the second transfer mechanism 52, and then the robotic arm 30 transfers the additive material 300 from the second transfer mechanism 52 to the feed inlet 21. The first transfer mechanism 51 extends in the height direction, and the second transfer mechanism 52 extends in the horizontal direction, so that the friction stir additive manufacturing device 100 has a certain height, which facilitates the arrangement of the tool head assembly 20 and makes the overall structure more reasonable.

[0067] Reference Figures 1 to 5 In some embodiments, the first transfer mechanism 51 includes: a conveying flexible member 511, a conveying member 512 and a first driving member 513.

[0068] The conveying flexible member 511 extends in the height direction. The conveying member 512 is arranged on the conveying flexible member 511. The first driving member 513 is connected to the conveying flexible member 511 to drive the conveying member 512 to move in the height direction.

[0069] Among them, the conveying flexible member 511 extends in the height direction, the conveying member 512 is installed on the conveying flexible member 511 and moves with the conveying flexible member 511. The first driving member 513 is connected to the conveying flexible member 511 to drive the conveying member 512 to move up and down. The conveying member 512 is used to carry the additive material 300 and drive the additive material 300 to move.

[0070] In the above solution, through the cooperation of the conveying flexible member 511, the conveying member 512 and the first driving member 513, the additive material 300 is transported, so that the additive material 300 moves stably, the overall structure is stable, and the reliability is improved.

[0071] In some specific embodiments, the conveying flexible member 511 is a conveying chain, the first driving member 513 is a sprocket, the sprocket cooperates with the conveying chain, and the conveying member 512 is a storage rack, and the storage rack moves with the conveying chain.

[0072] Refer to Figures 1 to 7 , in some embodiments, the second transfer mechanism 52 includes: a conveyor belt 521 and a second driving member 522.

[0073] The first baffle 23 is arranged above the conveyor belt 521. The second driving member 522 is connected to the conveyor belt 521 to drive the conveyor belt 521.

[0074] Among them, the second driving member 522 is connected to the conveyor belt 521, the power of the second driving member 522 acts on the conveyor belt 521 to drive the conveyor belt 521, the additive material 300 is located on the conveyor belt 521, and the additive material 300 moves with the conveyor belt 521.

[0075] In the above solution, through the cooperation of the second driving member 522 and the conveyor belt 521, the additive material 300 is quickly transferred, so that the additive material 300 is quickly transferred, the convenience is improved, and the structure is simplified.

[0076] Specifically, the conveyor belt 521 is a conveyor belt, and the second driving member 522 is a driving wheel, and the driving wheel drives the conveyor belt to move.

[0077] Refer to Figure 6 , in some embodiments, second baffles 523 are arranged on opposite sides of the conveyor belt 521, and the second baffles 523 define a limiting space 5231, and the additive material 300 is placed in the limiting space 5231.

[0078] Among them, the second baffle plates 523 are arranged on opposite sides of the conveyor belt 521. The second baffle plates 523 block the additive material 300 and confine the additive material 300 within the limiting space 5231.

[0079] In the above solution, by arranging the second baffle plates 523 on opposite sides of the conveyor belt 521, the second baffle plates 523 define the limiting space 5231, and confine the additive material 300 within the limiting space 5231, so that multiple additive materials 300 always maintain the same posture, making the multiple additive materials 300 consistent, and making it more convenient for the robotic arm 30 to grasp different additive materials 300.

[0080] Referring to Figure 1 、 Figure 5 and Figure 6 In some embodiments, a first track 11 is provided on the base 10, and the tool head assembly 20 is provided with a mating member 24. The mating member 24 is movably connected to the first track 11, and the first track 11 is configured to be parallel to the conveyor belt 521.

[0081] Among them, the first track 11 is installed on the base 10, the mating member 24 on the tool head assembly 20 is movably mated with the first track 11, and the tool head assembly 20 moves along the extending direction of the first track 11 to complete the additive manufacturing process.

[0082] In the above solution, by arranging the first track 11 on the base 10 and the mating member 24 on the tool head assembly 20, and the mating member 24 is movably mated with the first track 11, the tool head assembly 20 moves stably, improving the stability of additive manufacturing. At the same time, the first track 11 is set to be parallel to the conveyor belt 521, and the tool head assembly 20 is relatively stationary with respect to the fixed-point execution space, facilitating the robotic arm 30 to grasp the additive material 300.

[0083] Specifically, the mating member 24 is a slider, the slider is movably arranged on the first track 11, and the slider is connected to the tool head assembly 20.

[0084] Referring to Figure 1 In some embodiments, the tool head assembly 20 includes: a first moving seat 25 and a second moving seat 26.

[0085] The first moving seat 25 is movably arranged on the base 10 and is configured to move along a first direction. The second moving seat 26 is movably arranged on the first moving seat 25 and is configured to move along a second direction, and the first direction is perpendicular to the second direction. Among them, the feed port 21 and the discharge port 22 are arranged on the second moving seat 26, and the robotic arm 30 is arranged on the first moving seat 25.

[0086] Among them, the first moving seat 25 is movably arranged on the base 10, the second moving seat 26 is movably arranged on the first moving seat 25, the first moving seat 25 moves along a first direction, the second moving seat 26 moves along a second direction, and the first direction is perpendicular to the second direction, so that the discharge port 22 can be moved to any position.

[0087] In the above solution, through the cooperation of the first moving seat 25 and the second moving seat 26, the discharge port 22 can be moved to any position, improving the convenience of operation. At the same time, the robotic arm 30 is arranged on the first moving seat 25, and the robotic arm 30 remains relatively stationary with the additive material 300, facilitating the transfer of the additive material 300 by the robotic arm 30 and reducing the control difficulty.

[0088] Specifically, a second track and slider are provided between the first moving seat 25 and the second moving seat 26, enabling the second moving seat 26 to move relative to the first moving seat 25.

[0089] Specifically, the first direction is the width direction of the base 10, and the second direction is the height direction of the base 10, facilitating the positioning of coordinates.

[0090] Specifically, the base 10 is provided with a moving workbench that moves along a third direction, and the base material 200 is arranged on the moving workbench. The third direction is perpendicular to the first direction and the second direction.

[0091] More specifically, the third direction is the X direction, the first direction is the Y direction, and the second direction is the Z direction, facilitating friction stir additive manufacturing.

[0092] In some other embodiments, the tool head assembly 20 includes: a first moving seat 25 and a second moving seat 26.

[0093] The first moving seat 25 is movably arranged on the base 10 and is configured to move along a first direction. The second moving seat 26 is movably arranged on the first moving seat 25 and is configured to move along a second direction. The first direction is perpendicular to the second direction. Among them, the feed port 21 and the discharge port 22 are arranged on the second moving seat 26, and the robotic arm 30 is arranged on the second moving seat 26.

[0094] Among them, the first moving seat 25 is movably arranged on the base 10, the second moving seat 26 is movably arranged on the first moving seat 25, the first moving seat 25 moves along a first direction, the second moving seat 26 moves along a second direction, and the first direction is perpendicular to the second direction, so that the discharge port 22 can be moved to any position.

[0095] In the above solution, through the cooperation of the first moving seat 25 and the second moving seat 26, the discharge port 22 can be moved to any position, improving the convenience of operation. At the same time, the robotic arm 30 is arranged on the second moving seat 26, and the robotic arm 30 remains relatively stationary with respect to the feeding port 21, facilitating the transfer of the additive material 300 by the robotic arm 30 and reducing the control difficulty.

[0096] Specifically, the first direction is the width direction of the base 10, and the second direction is the height direction of the base 10, facilitating the positioning of coordinates.

[0097] In some other embodiments, the robotic arm 30 is arranged on the base 10, and the transfer of the additive material 300 is achieved through coordinate positioning.

[0098] In some specific embodiments, the working process of the friction stir additive manufacturing device 100 is as follows:

[0099] First, when there is no aluminum rod on the conveyor belt 521, the chain in the first transfer mechanism 51 moves, driving the conveying member 512 to move upward. At this time, the aluminum rod in the silo 40 is driven onto the conveying member 512 and moves upward. When the aluminum rod moves to the top of the first transfer mechanism 51, it falls onto the conveyor belt 521 and then moves in a direction away from the first transfer mechanism 51.

[0100] Second baffles 523 are provided on opposite sides of the conveyor belt 521, and the second baffles 523 define a limiting space 5231, and the additive material 300 is arranged in the limiting space 5231.

[0101] A first baffle 23 is provided on the tool head assembly 20, and the first baffle 23 can block the aluminum rod but does not hinder the movement of the conveyor belt 521.

[0102] Therefore, the aluminum rod on the conveyor belt 521 is blocked by the first baffle 23 and slides on the conveyor belt 521. At this time, it is ensured that the relative position of the aluminum rod and the first baffle 23 is fixed.

[0103] When it is necessary to convey the aluminum rod to the tool head assembly 20, a first identification member 231 is provided on the first baffle 23. The first identification member 231 is a luminous ball, and the robotic arm 30 determines the material taking position by finding the position of the first identification member 231, and then grabs the aluminum rod.

[0104] Meanwhile, the robotic arm 30 uses a similar method to send the aluminum rod to the feeding port 21 of the tool head assembly 20. The feeding port 21 is provided with a second identification member 211. The robotic arm 30 is electrically connected to a control member, and the control member is electrically connected to an identification reading member. Among them, the identification reading member is associated with the first identification member 231 and the second identification member 211. The identification reading member is used to obtain the position information of the first identification member 231 and the second identification member 211, and transmit the obtained position information to the control member. The control member processes the position information and controls the movement of the robotic arm 30. The robotic arm 30 accurately transfers the additive material 300 from the fixed-point execution space to the feeding port 21.

[0105] Meanwhile, the robotic arm 30 can press down the aluminum rod through the pressure mode to help the aluminum rod better enter the feeding port 21.

[0106] Referring to Figure 8 、 Figure 9 , according to the control method of the friction stir additive manufacturing device of the embodiment of the present invention, the friction stir additive manufacturing device includes: a base, a tool head assembly and a robotic arm. The control method includes:

[0107] S2: Obtain the feeding signal.

[0108] S3: Control the robotic arm to transfer the additive material to the feeding port on the tool head assembly.

[0109] Specifically, the additive material is an aluminum rod, which is convenient for use.

[0110] Among them, the movement of the robotic arm can be controlled by reading the real-time coordinates of the XYZ axis, or the positioning can be carried out by using the identification object.

[0111] Among them, the robotic arm has a pressure mode to press down the aluminum rod to help the aluminum rod enter the feeding port.

[0112] According to the control method of the friction stir additive manufacturing device of the embodiment of the present invention, using the robotic arm to transfer the additive material reduces manual labor, thereby improving the automation level, improving the efficiency, reducing the production time, eliminating the errors caused by human factors, and improving the overall manufacturing efficiency and the quality stability of the work.

[0113] For those of ordinary skill in the art, the other constitutions and operations of the friction stir additive manufacturing device according to the embodiments of the present invention are known, and will not be described in detail here.

[0114] In the description of this specification, the descriptions referring to terms such as "embodiment", "example", etc. mean that the specific features, structures, materials or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

[0115] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A friction stir additive manufacturing device, characterized in that: include: A base (10), the base (10) being used to support a substrate (200); A tool head assembly (20), the tool head assembly (20) being movably disposed on the base (10), the tool head assembly (20) being provided with a feed port (21) and a discharge port (22), the discharge port (22) being connected to the feed port (21), and the discharge port (22) being used to discharge the additive material (300) into the substrate (200); a mechanical arm (30), the mechanical arm (30) being arranged on the base (10) or the tool head assembly (20), the mechanical arm (30) being used to transfer the additive material (300) to the feed port (21); A transfer assembly (50), the transfer assembly (50) being provided with a fixed-point execution space, the mechanical arm (30) being configured to transfer the additive material (300) in the fixed-point execution space to the feed port (21); A first baffle (23), the first baffle (23) being arranged on a transfer path of the additive material (300) on the transfer component (50), the first baffle (23) and the transfer component (50) jointly defining the fixed-point execution space.

2. The friction stir additive manufacturing device according to claim 1, characterized in that: Also includes: A material bin (40), the material bin (40) being used to contain the additive material (300).

3. The friction stir additive manufacturing device according to claim 1, characterized in that: The first baffle (23) is provided with a first identification component (231), the feed port (21) is provided with a second identification component (211), the mechanical arm (30) is electrically connected to a control component, and the control component is electrically connected to an identification reader.

4. The friction stir additive manufacturing device according to claim 2, characterized in that: The transport component (50) comprises: A first transfer mechanism (51), the first transfer mechanism (51) extending in a height direction, the first transfer mechanism (51) being connected to the silo (40); A second transfer mechanism (52), the second transfer mechanism (52) extends in a horizontal direction, the second transfer mechanism (52) is connected to the first transfer mechanism (51), and the fixed-point execution space is arranged on the second transfer mechanism (52).

5. The friction stir additive manufacturing device according to claim 4, characterized in that: The first transfer mechanism (51) comprises: A conveying flexible member (511), wherein the conveying flexible member (511) extends in a height direction; A conveying member (512), wherein the conveying member (512) is arranged on the conveying flexible member (511); A first driving member (513), wherein the first driving member (513) is connected to the conveying flexible member (511) to drive the conveying member (512) to move in a height direction.

6. The friction stir additive manufacturing device according to claim 4, characterized in that: The second transfer mechanism (52) comprises: A conveyor belt (521), wherein the first baffle (23) is arranged above the conveyor belt (521); A second driving member (522), wherein the second driving member (522) is connected to the transmission belt (521) to drive the transmission belt (521).

7. The friction stir additive manufacturing device according to claim 6, characterized in that: Second baffles (523) are provided on opposite sides of the conveyor belt (521), and the second baffles (523) define a limiting space (5231), and the additive material (300) is placed in the limiting space (5231).

8. The friction stir additive manufacturing device according to claim 6, characterized in that: The base (10) is provided with a first track (11), the tool head assembly (20) is provided with a matching piece (24), the matching piece (24) is movably connected to the first track (11), and the first track (11) is configured to be parallel to the conveyor belt (521).

9. The friction stir additive manufacturing device according to any one of claims 1 to 8, characterized in that: The tool head assembly (20) comprises: a first movable seat (25), the first movable seat (25) being movably disposed on the base (10), and the first movable seat (25) being configured to move along a first direction; a second movable seat (26), the second movable seat (26) being movably disposed on the first movable seat (25), the second movable seat (26) being configured to move along a second direction, the first direction being perpendicular to the second direction; wherein: The feed port (21) and the discharge port (22) are arranged on the second movable seat (26), and the mechanical arm (30) is arranged on the first movable seat (25).

10. A control method for a friction stir additive manufacturing device, characterized in that: The friction stir additive manufacturing device is the friction stir additive manufacturing device according to any one of claims 1 to 9, and the control method comprises: Get the feeding signal; The robot arm is controlled to transfer the additive material (300) to the feed port on the tool head assembly.

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