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CN-122009912-A - Coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase and control method thereof

CN122009912ACN 122009912 ACN122009912 ACN 122009912ACN-122009912-A

Abstract

The invention discloses a coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase and a control method thereof, wherein the feeding device comprises a coiled material hanging and unfolding structure, a primary pulling mechanism, an intelligent tension closed-loop regulation and control module, a secondary pulling mechanism, a straightening mechanism, a fixed-length cutting mechanism, a material increase mechanism and a lifting movable workbench; the automatic feeding system has the beneficial effects that the large-length coiled aluminum bar material is used as a raw material, the automatic feeding system which is matched with the end face butt joint feeding through multistage path adjustment, intelligent tension control and fixed-length cutting is formed from unfolding to the whole process of material increase in a closed loop linkage mode, and the beat is matched, so that continuous and stable feeding of the material is realized, and the material increase forming efficiency and the structural quality are remarkably improved.

Inventors

  • XIE LIANGWEN
  • LI YANJUN
  • LIU WEI
  • JIA ZHIHONG
  • PENG JINGJING
  • REN YAFEI
  • SHI GONGQI

Assignees

  • 苏州实验室

Dates

Publication Date
20260512
Application Date
20260414

Claims (10)

  1. 1. The utility model provides a friction stir deposition is coiled aluminum alloy dish circle continuous feeding device for material addition which characterized in that includes: A coil suspension and unwinding structure (1) for providing support and stable unwinding of the coil material; The primary pulling mechanism (2) is arranged on the outlet of the coil suspension and unfolding structure (1) and is used for actively feeding; The path adjusting and guiding module (3) is arranged at one side of the primary pulling mechanism (2) and is used for guiding and adjusting the feeding direction of the aluminum bar; the intelligent tension closed-loop regulation and control module is arranged in the feeding path and used for monitoring the tension state of the aluminum rod in the feeding path in real time; A secondary pulling mechanism (4) arranged at the tail end of the path adjustment and used as a main source for providing continuous thrust; the straightening mechanism (5) is arranged at one side of the secondary pulling mechanism (4) to correct the bar; the fixed-length cutting mechanism (6) is arranged at one side of the straightening mechanism (5) and used for cutting the bar in fixed length; The material adding mechanism (7) is arranged at the end part of the structure and used for adding materials; the lifting movable workbench (8) is arranged below the material adding mechanism (7) and is matched with the material adding mechanism (7) for working.
  2. 2. The coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase according to claim 1, wherein the coiled material hanging and unfolding structure (1) comprises a support frame, a hollow rotating shaft arranged on the support frame, a reel arranged on the hollow rotating shaft, and an adjustable damping braking device arranged on the support frame and positioned at one end of the hollow rotating shaft, and the hollow rotating shaft is rotatably arranged on the support frame.
  3. 3. The coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase according to claim 1, wherein the primary pulling mechanism (2) comprises a machine table, a first servo motor arranged on the machine table, and a double-pressing-wheel structure connected with the first servo motor, and the first servo motor is arranged on the machine table.
  4. 4. The coiled aluminum alloy disc continuous feeding device for friction stir deposition additive according to claim 1, wherein the path adjusting and guiding module (3) is composed of four groups of guiding wheel clamping mechanisms which are arranged along the same plane and form an inverted U-shaped path trend, and each guiding wheel clamping mechanism comprises four rollers which are symmetrically arranged up and down.
  5. 5. The continuous feeding device for coiled aluminum alloy coils for friction stir deposition material increase according to claim 1, wherein the intelligent tension closed-loop regulation and control module consists of a tension sensor, a tension controller and a servo driving unit.
  6. 6. The coiled aluminum alloy disc continuous feeding device for friction stir deposition additive according to claim 1, wherein the secondary pulling mechanism (4) is arranged between the path adjusting tail end and the straightening unit, the secondary pulling mechanism (4) comprises a second servo motor and a roller assembly connected with the second servo motor, and the clamping force of the roller assembly is automatically adjusted through spring loading.
  7. 7. The coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase according to claim 1, wherein the straightening mechanism (5) comprises a screw rod lifting mechanism (10), a straightening wheel arranged on the screw rod lifting mechanism (10) and a straightening block arranged on a machine table and positioned on one side of the secondary pulling mechanism (4), the screw rod lifting mechanism (10) is fixedly arranged on the machine table, the straightening wheel is fixedly arranged on the screw rod lifting mechanism (10), the straightening block is fixedly arranged on the machine table, and the fixed-length cutting mechanism (6) is arranged on the screw rod lifting mechanism (10).
  8. 8. The coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase according to claim 7, wherein the screw rod lifting mechanism (10) is further provided with a rolling mechanism (9), the rolling mechanism (9) is arranged between the cutting unit and the material increase mechanism (7), and the rolling mechanism (9) is composed of a plurality of groups of roller wheels which are arranged up and down.
  9. 9. The coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase according to claim 1, wherein a Y-axis moving mechanism (11) is arranged below the workbench (8), an X-axis moving mechanism (12) is arranged below the Y-axis moving mechanism (11), and a Z-axis lifting mechanism (13) is arranged below the X-axis moving mechanism (12) and used for driving the whole liftable workbench (8) and an upper mechanism thereof to perform lifting motion along the Z-axis direction.
  10. 10. The method for controlling a coiled aluminum alloy disk continuous feeding device for friction stir deposition material addition according to any one of claims 1-9, wherein a control system establishes real-time data connection with drivers, sensors and execution mechanisms of each functional module through a multi-channel communication interface to realize system-level information integration and control logic arrangement, and the system control method comprises the following steps: (1) Tension closed loop control, namely butting a path adjusting module and a tension sensor, implementing a PID tension adjusting algorithm, adjusting the speed of a pulling mechanism in real time, and stabilizing the feeding tension; (2) The cutting beat control, which combines the signals of the feeding length measuring unit to control the synchronous follow-up of the saw blade to start, feed and return actions, ensures the speed of the saw blade to be consistent with that of the bar, and realizes 'relatively static' cutting; (3) The system monitors the use progress of the additive bars according to the set residual length threshold value, immediately triggers a cutting command when the set threshold value is reached, and simultaneously coordinates the butt rolling structure to push the new bars to be in seamless fit with the end faces of the old bars; (4) The controller links the feeding system to match the rotation speed and the pushing speed according to the main shaft signal of the material adding device, so that the upper bar and the lower bar are synchronously rotated and conveyed downwards, and the material adding layer is ensured to be continuous and stable; (5) The abnormal monitoring and alarming, namely setting a monitoring channel for conditions such as overhigh pulling load, bar clamping stagnation, tension fluctuation overrun, abnormal feeding, cutting failure, butt joint dislocation and the like, and providing an audible and visual alarm and sudden stop response mechanism; (6) Beat learning and remote operation and maintenance, wherein the system supports a feeding beat self-learning function, automatically optimizes rhythm parameters according to the actual material adding progress, and provides equipment maintenance reminding, operation log recording and a remote fault diagnosis interface.

Description

Coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase and control method thereof Technical Field The invention relates to the technical field of metal additive manufacturing, in particular to a coiled aluminum alloy disc continuous feeding device for friction stir deposition additive and a control method thereof. Background A friction stir deposition Additive (AFSD) is a novel solid phase additive manufacturing technology derived from friction stir welding, the technical path is that metal wires or bars are fed into a rotating hollow stirring head, under the combined action of feeding force and stirring shaft shoulder rotating friction, materials are subjected to thermal plasticization, migration and deposition, and are combined with a base material or an added material layer, and a forming member is accumulated layer by layer, the technology is particularly suitable for additive manufacturing of light alloy large-size members such as aluminum alloy, magnesium alloy and titanium alloy, the technology is high in additive manufacturing efficiency, short in manufacturing period, uniform and compact in tissue, free of vacuum environment or atmosphere protection, has great advantages and engineering application potential in the manufacturing field of large-scale light alloy reinforcing bar members, and at present, the AFSD technology is mainly fed in a mode of intermittent filling of 1-3 mm wires or single bar, and needs machining and worker root-by-root feeding, so that the manufacturing efficiency of the AFSD technology is severely restricted, the continuous wire feeding process is easy to clamp wires in a mode of 65 continuous wire feeding process, and the intermittent filling mode is easy to clamp wire, and is easy to fill up and down the manual filling material 35 is high in a high-speed manual filling operation window 35, and is not required to be repeatedly inserted into a portal frame for the high-scale filling operation of the material 35. In view of the foregoing, there is a need for improvements in existing additive feeding methods that can accommodate the current need for additive feeding. Disclosure of Invention In order to solve the technical problems, the invention provides a coiled aluminum alloy disc continuous feeding device for friction stir deposition material increase, which comprises the following components: a coil suspension and unwinding structure for providing support and stable unwinding of the coil material; The primary pulling mechanism is arranged on an outlet of the coil suspension and unfolding structure and used for actively feeding; The path adjusting and guiding module is arranged on one side of the primary pulling mechanism and is used for guiding and adjusting the feeding direction of the aluminum bar; the intelligent tension closed-loop regulation and control module is arranged in the feeding path and used for monitoring the tension state of the aluminum rod in the feeding path in real time; The secondary pulling mechanism is arranged at the tail end of the path adjustment and used as a claimed source for providing continuous thrust; The straightening mechanism is arranged at one side of the secondary pulling mechanism to correct the bar; the fixed-length cutting mechanism is arranged on one side of the straightening mechanism and used for cutting the bar in fixed length; the material adding mechanism is arranged at the end part of the structure and used for adding materials; The lifting workbench is arranged below the material adding mechanism, so that the material adding mechanism can work conveniently. To the further supplement of this technical scheme, coil stock hangs and expands the structure and includes the support frame, sets up the cavity pivot on the support frame, sets up in the epaxial reel of cavity, sets up on the support frame and is located the adjustable damping arresting gear of cavity pivot one end, cavity pivot rotatable mounting is on the support frame. To the further supplement of this technical scheme, elementary mechanism of dragging includes the board, sets up the first servo motor on the board, the double pinch roller structure of being connected with first servo motor, first servo motor installs on the board. According to the technical scheme, the path adjusting and guiding module is composed of four groups of guiding wheel clamping mechanisms, the four groups of guiding wheel clamping mechanisms are arranged along the same plane and form an inverted U-shaped path trend, and the guiding wheel clamping mechanisms comprise four rollers which are symmetrically arranged up and down. Further supplementing the technical scheme, the intelligent tension closed-loop regulation and control module consists of a tension sensor, a tension controller and a servo driving unit. According to the technical scheme, the secondary pulling mechanism is arranged between the path adjusting tail end and the straightening unit