Amorphous triangular three-dimensional core self-adapting negative pressure foil winding machine

Abstract

This invention discloses an amorphous triangular three-dimensional coiled iron core adaptive negative pressure foil winding machine, relating to the technical field of transformer core manufacturing. The winding machine includes a first support plate and a second support plate. The first support plate is equipped with a foil feeding unit, and the second support plate is equipped with a winding unit. The foil feeding unit includes a foil roll connector, a first motor, and a foil roll clamping assembly. The winding unit includes a coiled iron core connector, a second motor, an adaptive iron core clamping assembly, and a pressure regulating assembly. The pressure regulating assembly is sleeved on the drive shaft and connected to the air circuit of the adaptive iron core clamping assembly. Its guide ring has a guide groove consistent with the shape of the coiled iron core, causing the piston rod of the four-piston cylinder to extend and retract as the sliding rod rotates with the rotating plate, generating air pressure fluctuations corresponding to changes in the shape of the coiled iron core. This air pressure is transmitted to the adaptive iron core clamping assembly through a guide slip ring, achieving dynamic compensation of the clamping force, ensuring a constant clamping force during the winding of the non-circular coiled iron core, and improving the winding quality.

Description

Technical Field

[0001] This invention relates to the technical field of transformer core manufacturing, specifically to an amorphous triangular three-dimensional coiled core adaptive negative pressure foil winding machine. Background Technology

[0002] Amorphous alloy transformers are widely used in the power industry due to their advantages such as low no-load loss and significant energy-saving effects. The amorphous triangular three-dimensional wound core, as the core component of an amorphous alloy transformer, has a triangular three-dimensional structure, offering advantages such as higher material utilization and better magnetic circuit symmetry compared to traditional circular cores. However, this non-circular three-dimensional structure also presents new challenges to foil winding technology.

[0003] Currently, in foil winding, a fixed clamping mechanism is typically used to apply pressure to the foil strip wound around the outside of the coiled core. However, for amorphous triangular three-dimensional coiled cores, due to their non-circular cross-sectional shape, the distance between the outer contour of the core and the clamping mechanism changes periodically during rotational winding, resulting in significant fluctuations in the clamping force. Excessive clamping force can easily damage or deform the foil strip; insufficient clamping force can cause the foil strip to become loose and misaligned, affecting winding quality and transformer performance. Furthermore, existing foil coil clamping mechanisms are inconvenient to operate when changing foil coils and cannot automatically adjust the clamping force according to the decrease in foil coil diameter; the foil strip is also prone to loosening or deviation during transmission due to insufficient tension.

[0004] To address the aforementioned problems, this invention proposes a foil winding machine capable of adapting to changes in the shape of amorphous triangular three-dimensional coiled iron cores, thereby solving technical challenges such as fluctuations in clamping force and unstable foil tension during the winding process of non-circular coiled iron cores. Summary of the Invention

[0005] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides an amorphous triangular three-dimensional spiral core adaptive negative pressure foil winding machine, which solves the aforementioned problems.

[0006] (0) Technical solution To achieve the above objectives, the present invention provides the following technical solution: an amorphous triangular three-dimensional coiled iron core adaptive negative pressure foil winding machine, comprising a support plate one, a support plate two, an air pump assembly, and a tensioning wheel assembly; a foil feeding unit is provided on the support plate one; the support plate two is arranged in the same horizontal direction as the support plate one, and a winding unit is provided on the support plate two; the air pump assembly is connected to both the foil feeding unit and the winding unit to provide pneumatic power; the tensioning wheel assembly is located between the foil feeding unit and the winding unit to tension the foil strip during transmission; The foil feeding unit includes a foil roll connector, a motor, and a foil roll clamping assembly. The foil roll connector is rotatably mounted on the front end of the support plate and is used to install and drive the foil roll to rotate. The motor is mounted on the rear side of the support plate and its drive end is connected to the foil roll connector. The foil roll clamping assembly is located on the front side of the support plate and is used to clamp the foil roll. The winding unit includes a core connector, a second motor, a core adaptive clamping assembly, and a pressure regulating assembly. The core connector is rotatably mounted on the front end of the second support plate and is used to install and drive the core to rotate. The second motor is mounted on the rear side of the second support plate, and its drive end is connected to a drive shaft, which is fixedly connected to the core connector. The core adaptive clamping assembly is located on the front side of the second support plate and is used to clamp the foil strip wound on the outside of the core. The pressure regulating assembly is sleeved on the drive shaft and connected to the air circuit of the core adaptive clamping assembly, and is used to adjust the clamping force of the core adaptive clamping assembly according to the shape change of the core.

[0007] The above technical solution achieves automatic unwinding and winding of the foil strip by setting up independent foil unwinding and winding units and using air pump components to provide pneumatic power. The tensioning wheel group tensions the foil strip during transmission to prevent loosening. The core adaptive clamping component in the winding unit can adjust the clamping force in real time according to the shape change of the coiled core. In conjunction with the pressure regulating component, it dynamically compensates for the pressure fluctuations generated by the amorphous triangular three-dimensional coiled core during rotation, ensuring constant clamping force. This improves the uniformity and tightness of foil strip winding, avoids winding defects caused by irregular shape, and improves product quality and production efficiency.

[0008] Preferably, the foil roll pressing assembly includes a fixed plate, a cylinder, a movable frame, a movable plate, a spring, an electromagnet, a straight rod, a pressing wheel, and a magnetic plate; the fixed plate is fixedly connected to the support plate; the cylinder is fixedly mounted on the fixed plate; the movable frame is fixedly connected to the actuating end of the cylinder; the movable plate is slidably disposed inside the movable frame; the spring is disposed between the movable plate and the inner wall of the movable frame; one end of the straight rod is fixedly connected to the movable plate, and the other end passes through the movable frame and extends out; the pressing wheel is rotatably connected to the extended end of the straight rod for pressing the foil roll; the electromagnet is fixed inside the movable frame on the side near the cylinder; the magnetic plate is fixed on the movable plate and is correspondingly disposed with the electromagnet.

[0009] The above technical solution achieves elastic clamping of the foil roll, adaptively adjusting the position of the clamping roller as the outer diameter of the foil roll changes, ensuring the foil strip is always taut and preventing loosening. The combination of the electromagnet and magnetic plate allows the clamping roller to quickly retract via electromagnetic attraction when changing foil rolls, facilitating operation and improving material changing efficiency.

[0010] Preferably, the self-adaptive clamping assembly for the iron core includes a guide plate, a second cylinder, a third cylinder, a slider, a first slide groove, a second movable frame, a second movable plate, a second spring, a second straight rod, and a second clamping wheel. The guide plate is fixedly installed; the second cylinder is fixedly connected to the guide plate; the cylinder body of the third cylinder is fixedly connected to the actuating end of the second cylinder; the slider is fixed to the outer wall of the cylinder body of the third cylinder; the first slide groove is opened on the inner wall of the guide plate, and the slider is slidably installed in the first slide groove; the second movable frame is fixedly connected to the actuating end of the third cylinder; the second movable plate is slidably installed inside the second movable frame; the second spring is installed between the second movable plate and the inner wall of the second movable frame; one end of the second straight rod is fixedly connected to the second movable plate, and the other end passes through the second movable frame and extends out; the second clamping wheel is rotatably connected to the extended end of the second straight rod and is used to clamp the foil strip wound on the outside of the coiled iron core.

[0011] The above technical solution employs the following: through the linkage of cylinders two and three, the pressure roller two can always remain in contact with the outer surface of the coiled iron core, adapting to changes in its non-circular contour. Spring two provides flexible preload, and the cooperation between the slider and the slide groove one ensures the smoothness of the pressure roller's movement, avoiding damage to the foil strip caused by rigid contact.

[0012] Preferably, the pressure regulating assembly includes a rotating plate, a fourth cylinder, a slide rod, a second slide groove, a guide ring, and a guide slip ring; one end of the rotating plate is connected to the drive shaft; the fourth cylinder is fixed on the rotating plate; the slide rod is fixedly connected to the actuating end of the fourth cylinder; the second slide groove is opened inside the rotating plate, and one end of the slide rod is slidably disposed in the second slide groove; the guide ring is fixedly connected to the second support plate, and a guide groove with the same shape as the coiled iron core is opened on the guide ring, and the other end of the slide rod is slidably disposed in the guide groove; the guide slip ring is concentrically sleeved on the drive shaft, its rotating part is fixedly connected to the drive shaft and connected to the rodless chamber air passage of the fourth cylinder, and its fixed part is fixedly connected to the second support plate and connected to the rodless chamber air passage of the third cylinder.

[0013] The above technical solution involves using a guide groove on the guide ring that matches the shape of the coiled iron core. This drives the slide rod to change the piston position of cylinder four as the rotating plate rotates, thereby adjusting the air pressure in its rodless chamber. This air pressure change is transmitted to cylinder three in real time via a guide slip ring, achieving dynamic compensation of the clamping force. This ensures that the clamping force of the non-circular coiled iron core is uniform and stable during high-speed rotation, improving the winding quality.

[0014] Preferably, the air pump assembly includes an air pump, a reversing valve, a three-way pipe, an air pipe one, an air pipe two, a solenoid valve, and a pressure sensor; the reversing valve is connected to the air pump's inlet and outlet ports; one end of the three-way pipe is connected to the reversing valve to air pipe one and air pipe two, and is connected to the other two ports of the three-way pipe, respectively, and is connected to the rodless chambers of cylinder one and cylinder two, respectively; the solenoid valve and the pressure sensor are installed in the pipes of air pipe one and air pipe two.

[0015] The above technical solution enables independent or coordinated control of cylinder one and cylinder two, allowing for flexible adjustment of the clamping force. A pressure sensor monitors air pressure changes in real time, and a solenoid valve controls the airflow, ensuring rapid system response, precise control, and adaptability to clamping requirements under different working conditions.

[0016] Preferably, the tensioning wheel assembly includes a protective frame, a worm gear, a worm, a third motor, a U-shaped rod, and tensioning wheels; the protective frame is fixed to the rear side of the first support plate; the worm gear and the worm are meshed with each other and disposed inside the protective frame; the third motor is installed on the outer wall of the protective frame, and its drive end is connected to the worm gear; the U-shaped rod is connected to the worm gear via a transmission shaft; and the two tensioning wheels are rotatably connected to the two ends of the U-shaped rod.

[0017] The above technical solution employs a worm gear drive to rotate the U-shaped rod, causing the tensioning wheel to apply adjustable tension to the foil strip, preventing the foil strip from loosening or shifting during transmission. The self-locking characteristic of the worm gear ensures stable tension, improving the stability of the winding process and the neatness of the foil strip arrangement.

[0018] Preferably, a damping ring is provided between the movable frame and the straight rod.

[0019] By adopting the above technical solution, the damping ring can effectively suppress the vibration caused by the spring, improve the smoothness of the movement of the pressure wheel, and avoid uneven pressing or damage to the foil belt caused by shaking.

[0020] Preferably, a damping ring is provided between the movable frame two and the straight rod two.

[0021] By adopting the above technical solution, the damping ring reduces the vibration transmission of the second spring, enabling the second clamping wheel to maintain stable contact during high-speed winding, thereby improving winding accuracy and surface quality.

[0022] Preferably, the rodless chamber of cylinder two is connected to the rodless chamber of cylinder one through an air pump assembly.

[0023] The above technical solution achieves linkage adjustment of the clamping force, so that the clamping force of the foil roll and the clamping force of the coil core cooperate with each other, ensuring the tension consistency of the foil strip during transmission and winding, and improving the winding uniformity.

[0024] Preferably, the guide ring is the same shape as the coiled iron core, enlarged proportionally.

[0025] The above technical solution is adopted: the contour of the guide ring is consistent with that of the coiled iron core, which ensures that the movement trajectory of the slide bar can accurately simulate the shape change of the coiled iron core, thereby achieving precise compensation for the clamping force and improving the accuracy and response speed of adaptive adjustment.

[0026] (III) Beneficial Effects This invention provides an amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine. It has the following beneficial effects:

[0027] (1) By setting up a pressure regulating component, the present invention utilizes the characteristic that the guide groove on the guide ring is consistent with the shape of the coiled iron core, so that the slide rod drives the piston rod of the cylinder four to extend and retract when the rotating plate rotates, generating air pressure fluctuations corresponding to the shape changes of the coiled iron core. The air pressure changes are transmitted to the cylinder three in the iron core adaptive clamping component in real time through the air guide slip ring, realizing dynamic compensation of the clamping force, ensuring that the clamping force of the non-circular coiled iron core remains constant during high-speed rotation, avoiding foil strip damage or loose winding caused by clamping force fluctuations, and significantly improving winding quality and product consistency.

[0028] (2) This invention connects the rodless chamber of cylinder two with the rodless chamber of cylinder one via an air pump assembly, thereby achieving the linkage adjustment of the foil roll clamping force and the coil core clamping force. When the thickness of the foil sheet wound around the outside of the coil core increases, the pressure in the rodless chamber of cylinder two increases, causing its piston rod to contract. At the same time, this pressure change is transmitted to cylinder one, causing the piston rod of cylinder one to extend as the diameter of the foil roll decreases, ensuring that clamping roller one and clamping roller two always adhere to the outer surface of the foil roll and the coil core with appropriate force, thus achieving adaptive clamping throughout the entire process. Attached Figure Description

[0029] Figure 1 This is a front view of the overall structure of the present invention; Figure 2 This is a top view of the overall structure of the present invention; Figure 3 This is a top view of the foil roll pressing assembly structure in this invention; Figure 4 This is a formal diagram of the winding unit structure in this invention; Figure 5 This is a top view of the winding unit structure in this invention; Figure 6 This is a top view of the core adaptive clamping assembly structure of the present invention; Figure 7 This is a top view of the pressure regulating component structure in this invention; Figure 8 This is a top view of the air pump assembly structure in this invention; Figure 9 This is a top view of the internal structure of the tensioning wheel assembly in this invention.

[0030] In the diagram: Support plate 1-1, foil roll connector-2, foil roll-3, motor 1-4, foil roll pressing assembly-5, support plate 2-6, coil core connector-7, motor 2-8, drive shaft-81, coil core-9, core self-adaptive pressing assembly-10, pressure adjustment assembly-11, air pump assembly-12, tensioning wheel set-13; Fixed plate-51, cylinder-52, movable frame-53, movable plate-54, spring-55, electromagnet-56, straight rod-57, pressure wheel-58, magnetic plate-59; Guide plate-101, cylinder two-102, cylinder three-103, slider-104, slide groove one-105, movable frame two-106, movable plate two-107, spring two-108, straight rod two-109, pressure wheel two-1010; Rotating plate-111, cylinder four-112, slide rod-113, slide groove two-114, guide ring-115, air guide slip ring-116; Air pump-121, reversing valve-122, three-way pipe-123, air pipe one-124, air pipe two-125, solenoid valve-126, pressure sensor-127; Protective frame-131, worm gear-132, worm-133, motor three-134, U-shaped rod-135, tensioning wheel-136. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1 - Appendix Figure 9 This application will be described in further detail below.

[0032] Example 1: like Figure 1 and Figure 2 As shown, this embodiment provides an amorphous triangular three-dimensional coiled iron core adaptive negative pressure foil winding machine, including a support plate 1 and a support plate 6 arranged along the same horizontal direction. A foil-releasing unit for releasing the foil roll 3 is installed on support plate 1, and a winding unit for winding the foil strip onto the coiled iron core 9 is installed on support plate 6. A tensioning wheel assembly 13 is provided between the foil-releasing unit and the winding unit for tensioning the foil strip during the transmission process. An air pump assembly 12 is connected to both the foil-releasing unit and the winding unit, providing them with pneumatic power.

[0033] like Figure 1 , Figure 2 As shown, the foil feeding unit includes a foil roll connector 2 rotatably mounted on the front end of the support plate 1, a motor 4 fixed to the rear side of the support plate 1, and a foil roll clamping assembly 5 mounted on the side of the front end of the support plate 1. The foil roll connector 2 is used to mount and drive the foil roll 3 to rotate; the drive end of the motor 4 is connected to the foil roll connector 2 to drive its rotation. The foil roll clamping assembly 5 is used to keep the outer surface of the foil roll 3 pressed tightly during the foil feeding process to prevent it from loosening.

[0034] like Figure 3As shown, the foil roll clamping assembly 5 includes a fixed plate 51 fixedly connected to the support plate 1, a cylinder 52 fixedly fixed to the fixed plate 51, and a movable frame 53 fixedly connected to the actuating end of the cylinder 52. A movable plate 54 is slidably disposed inside the movable frame 53, and the movable plate 54 is elastically connected to the inner wall of the movable frame 53 by a spring 55. A straight rod 57 is fixedly connected to the movable plate 54, and the other end of the straight rod 57 passes through the movable frame 53 and extends outwards. A clamping wheel 58 is rotatably connected to the extended end of the straight rod 57, which is used to directly clamp the foil roll 3. An electromagnet 56 is fixed inside the movable frame 53 near the cylinder 52, and a magnetic plate 59 corresponding to the position of the electromagnet 56 is fixed on the movable plate 54. When the foil roll 3 needs to be replaced, the electromagnet 56 is energized, causing it to attract the magnetic plate 59, which drives the movable plate 54 to compress the spring 55 and retract, thereby moving the clamping wheel 58 away from the foil roll 3, facilitating installation and operation. To reduce the vibration of spring 55, a damping ring is provided between movable frame 53 and straight rod 57.

[0035] like Figure 4 , Figure 5 As shown, the winding unit includes a core connector 7 rotatably mounted on the front end of the second support plate 6, a second motor 8 mounted on the rear side of the second support plate 6, a core adaptive clamping assembly 10 mounted on the front side of the second support plate 6, and a pressure regulating assembly 11 sleeved on the drive shaft 81 of the second motor 8. The core connector 7 is used to mount and drive the amorphous triangular three-dimensional core 9 to rotate; the drive end of the second motor 8 is connected to the drive shaft 81, and the drive shaft 81 is fixedly connected to the core connector 7. The core adaptive clamping assembly 10 is used to clamp the foil strip wound on the outside of the core 9; the pressure regulating assembly 11 is air-connected to the core adaptive clamping assembly 10 and is used to dynamically adjust the clamping force according to the shape change of the core 9.

[0036] like Figure 6 As shown, the core adaptive clamping assembly 10 includes a fixed guide plate 101, a second cylinder 102 fixed on the guide plate 101, and a third cylinder 103 fixedly connected to the actuating end of the second cylinder 102. A slider 104 is fixed to the outer wall of the third cylinder 103, and this slider is slidably disposed within a groove 105 opened on the inner wall of the guide plate 101, allowing the third cylinder 103 to move smoothly with the actuating end of the second cylinder 102. A movable frame 106 is fixedly connected to the actuating end of the third cylinder 103, and a movable plate 107 is slidably disposed inside the movable frame 106. The movable plate 107 and the inner wall of the movable frame 106 are elastically connected by a spring 108. A straight rod 109 is fixedly connected to the movable plate 107, and the other end of the straight rod 109 passes through the movable frame 106 and extends outwards. A clamping wheel 1010 is rotatably connected to the extended end of the straight rod, which is used to clamp the foil strip on the outside of the coiled core 9. To reduce vibration, a damping ring is also installed between the movable frame 2 106 and the straight rod 2 109.

[0037] like Figure 7 As shown, the pressure regulating assembly 11 includes a rotating plate 111 with one end fixedly connected to the drive shaft 81, a cylinder 112 fixedly mounted on the rotating plate 111, and a slide rod 113 fixedly connected to the actuating end of the cylinder 112. The rotating plate 111 has a groove 114 parallel to the cylinder 112 inside, and one end of the slide rod 113 passes through and slides within the groove 114. A guide ring 115 is fixedly connected to the support plate 6, and this guide ring has a guide groove that matches the outline of the coiled iron core 9 (see [reference]). Figure 4 The guide ring 115 is proportionally enlarged to the coiled iron core 9. The other end of the slide rod 113 extends into the guide groove and slides along it. A gas guide slip ring 116 is also concentrically fitted on the drive shaft 81. This gas guide slip ring is a common prior art component in the art, and its function is to achieve reliable air transmission between the rotating and stationary components. The rotating part of the gas guide slip ring 116 is fixedly connected to the drive shaft 81 and communicates with the rodless chamber of cylinder four 112 through an air pipe. Its fixed part is fixedly connected to the support plate two 6 and communicates with the rodless chamber of cylinder three 103 through an air pipe. This structure allows cylinder four 112 to maintain unobstructed air passage with cylinder three 103 even when rotating with the drive shaft 81.

[0038] When the drive shaft 81 drives the coiled iron core 9 and the rotating plate 111 to rotate synchronously, one end of the slide rod 113 slides along the guide groove of the guide ring 115. Since the shape of the guide groove is consistent with the contour of the coiled iron core 9, the slide rod 113 will generate radial displacement while revolving, thereby driving the piston rod of cylinder 112 to extend and retract, changing the volume and air pressure of its rodless chamber. When the slide rod 113 slides along the guide groove of the guide ring 115 until the piston rod of cylinder 112 extends, the volume of its rodless chamber increases, the air pressure in the chamber decreases, and a local negative pressure is formed. The negative pressure is transmitted in real time to the rodless chamber of cylinder three 103 through the air guide slip ring 116 to counteract the positive pressure impact caused by the shape change when the coiled iron core 9 rotates. Conversely, when the slide rod 113 slides along the guide groove of the guide ring 115 to cause the piston rod of cylinder four 112 to retract, the pressure inside the rodless chamber increases, and the increased pressure acts on the rodless chamber of cylinder three 103; thus achieving dynamic balance of clamping force and ensuring that the clamping wheel two 1010 adheres to the foil surface with constant pressure throughout the entire rotation cycle.

[0039] like Figure 8As shown, the air pump assembly 12 includes an air pump 121, a reversing valve 122 connected to the air inlet and outlet of the air pump 121, and a three-way pipe 123 connected to the reversing valve 122. The reversing valve 122 is a common, existing technology component used to control the opening and closing of the air path and the switching of the airflow direction. In this embodiment, a conventional electromagnetic reversing valve can achieve the required function. The other two ports of the three-way pipe 123 are connected to the rodless chambers of cylinder 52 and cylinder 102 respectively via air pipe 124 and air pipe 125. Solenoid valves 126 and pressure sensors 127 are installed in both air pipes 124 and 125 for precise control of the air path opening and closing and monitoring of air pressure. This assembly not only provides power to each cylinder but also allows the reversing valve 122 to switch the pressure in the rodless chamber to create negative pressure, enabling rapid piston rod retraction and facilitating material replacement. Meanwhile, the rodless chambers of cylinder 1 52 and cylinder 2 102 are connected through the air pump assembly 12, so that when the diameter of foil roll 3 decreases and the thickness of foil strip on the coiled iron core 9 increases, the clamping forces of clamping wheel 1 58 and clamping wheel 2 1010 can cooperate with each other.

[0040] like Figure 9 As shown, the tensioning wheel assembly 13 is positioned between the foil roll connector 2 and the coil core connector 7. It includes a protective frame 131 fixed to the rear side of the support plate 1. Inside the protective frame 131 are meshing worm gears 132 and worm 133. A motor 134 is mounted on the outer wall of the protective frame 131, with its drive end connected to the worm 133. The worm gear 132 is fixedly connected to the bottom of a U-shaped rod 135 via a drive shaft. Tensioning wheels 136 are rotatably connected to both ends of the U-shaped rod 135. The motor 134 drives the worm 133, causing the worm gear 132 to rotate, thereby driving the U-shaped rod 135 to swing and adjusting the tension of the two tensioning wheels 136 on the foil strip. This ensures the foil strip maintains appropriate tension during transmission, preventing deviation or wrinkling.

[0041] The working process of this embodiment is as follows: In the initial state, foil roll 3 is installed on foil roll connector 2, and coil core 9 is installed on coil core connector 7. During installation, the air pump 121 is evacuated by the reversing valve 122, creating a negative pressure in the rodless chambers of cylinder 1 52 and cylinder 2 102, causing the piston rod to retract. At the same time, the electromagnet 56 is energized to attract the magnetic plate 59, causing the clamping roller 1 58 and clamping roller 2 1010 to retract, facilitating material installation.

[0042] After the equipment is started, motor 4 drives the foil roll 3 to rotate and release the foil, while motor 8 drives the coil core 9 to rotate synchronously via drive shaft 81, achieving continuous winding of the foil strip from the foil roll 3 to the coil core 9. During the winding process, the foil roll clamping assembly 5 uses cylinder 52 and spring 55 to keep the clamping wheel 58 in constant contact with the outer surface of the foil roll 3; the core adaptive clamping assembly 10 uses cylinder 102, cylinder 103, and spring 108 to keep the clamping wheel 1010 in constant contact with the foil strip on the outside of the coil core 9. At the same time, the pressure regulating assembly 11 adjusts the air pressure in the rodless chamber of cylinder 103 in real time according to the shape change of the coil core 9 to ensure constant clamping force. The tensioning wheel group 13 adjusts the position of the tensioning wheel 136 via motor 134 to maintain stable foil strip tension. The entire system works in coordination to achieve high-quality adaptive winding of the amorphous triangular three-dimensional coil core.

[0043] The control method of this invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, since this invention is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail here.

[0044] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine, characterized in that, include: Support plate 1 (1), and foil placement unit disposed on support plate 1 (1); Support plate two (6) is arranged in the same horizontal direction as support plate one (1), and a winding unit is provided on support plate two (6); An air pump assembly (12) is connected to both the foil feeding unit and the winding unit to provide pneumatic power; A tensioning wheel assembly (13) is disposed between the foil feeding unit and the winding unit to tension the foil strip during transmission; The foil-laying unit includes: The foil roll connector (2) is rotatably disposed at the front end of the support plate (1) and is used to install and drive the foil roll (3) to rotate; Motor 1 (4) is installed on the rear side of the support plate 1 (1), and its driving end is connected to the foil roll connector (2) for transmission. A foil roll pressing assembly (5) is disposed on the front side of the support plate (1) and is used to press the foil roll (3). The winding unit includes: The coiled iron core connector (7) is rotatably disposed at the front end of the second support plate (6) and is used to install and drive the coiled iron core (9) to rotate; Motor 2 (8) is installed on the rear side of the support plate 2 (6), and its driving end is connected to a drive shaft (81). The drive shaft (81) is fixedly connected to the coiled iron core connector (7). The core adaptive clamping assembly (10) is disposed on the front side of the second support plate (6) and is used to clamp the foil strip wound on the outside of the coiled core (9); The pressure regulating component (11) is sleeved on the drive shaft (81) and connected to the air circuit of the core adaptive clamping component (10) for adjusting the clamping force of the core adaptive clamping component (10) according to the shape change of the coiled core (9).

2. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 1, characterized in that: The foil roll clamping assembly (5) includes: The fixing plate (51) is fixedly connected to the support plate (1); Cylinder 1 (52) is fixed on the fixed plate (51); The active frame (53) is fixedly connected to the actuator of the cylinder (52); Movable plate 1 (54) is slidably disposed inside the movable frame 1 (53); Spring 1 (55) is disposed between the inner wall of the movable plate 1 (54) and the movable frame 1 (53); One end of the straight rod (57) is fixedly connected to the movable plate (54), and the other end passes through the movable frame (53) and extends out. The first pressing wheel (58) is rotatably connected to the extended end of the first straight rod (57) and is used to press the foil roll (3). An electromagnet (56) is fixed inside the movable frame (53) on the side near the cylinder (52); The magnetic plate (59) is fixed on the movable plate (54) and is set in correspondence with the electromagnet (56).

3. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 1, characterized in that: The core adaptive clamping assembly (10) includes: Guide plate (101), fixedly installed; Cylinder 2 (102) is fixedly connected to the guide plate (101); Cylinder 3 (103), whose cylinder body is fixedly connected to the actuator of cylinder 2 (102); The slider (104) is fixed to the outer wall of the cylinder body of the cylinder three (103); A first groove (105) is formed on the inner wall of the guide plate (101), and the slider (104) is slidably disposed in the first groove (105); The second movable frame (106) is fixedly connected to the actuator of the third cylinder (103); Movable plate two (107) is slidably disposed inside the movable frame two (106); Spring 2 (108) is disposed between the inner wall of the movable plate 2 (107) and the movable frame 2 (106); The second straight rod (109) has one end fixedly connected to the second movable plate (107), and the other end passes through the second movable frame (106) and extends out. The second pressure wheel (1010) is rotatably connected to the extended end of the second straight rod (109) and is used to press the foil strip wound on the outside of the coiled iron core (9).

4. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 1, characterized in that: The pressure regulating assembly (11) includes: The rotating plate (111) is connected at one end to the drive shaft (81) for transmission. Cylinder 4 (112) is fixed on the rotating plate (111); The slide bar (113) is fixedly connected to the actuator of the cylinder (112); The second slide groove (114) is opened inside the rotating plate (111), and one end of the slide rod (113) is slidably disposed in the second slide groove (114); The guide ring (115) is fixedly connected to the second support plate (6). The guide ring (115) has a guide groove with the same shape as the coiled iron core (9). The other end of the slide rod (113) is slidably disposed in the guide groove. The air guide slip ring (116) is concentrically sleeved on the drive shaft (81). Its rotating part is fixedly connected to the drive shaft (81) and connected to the rodless chamber air passage of the cylinder four (112). Its fixed part is fixedly connected to the support plate two (6) and connected to the rodless chamber air passage of the cylinder three (103).

5. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 1, characterized in that: The air pump assembly (12) includes: Air pump (121); A reversing valve (122) is connected to the air inlet and air outlet ports of the air pump (121); A three-way pipe (123) is connected at one end to the reversing valve (122); Air tube one (124) and air tube two (125) are respectively connected to the other two ports of the three-way tube (123) and respectively connected to the rodless chamber of cylinder one (52) and cylinder two (102); Solenoid valve (126) and pressure sensor (127) are installed in the pipelines of the first air pipe (124) and the second air pipe (125).

6. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 1, characterized in that: The tensioning wheel assembly (13) includes: The protective frame (131) is fixed to the rear side of the support plate (1); The worm gear (132) and the worm (133) are meshed together inside the protective frame (131); Motor 3 (134) is installed on the outer wall of the protective frame (131), and its drive end is connected to the worm gear (133) for transmission. The U-shaped rod (135) is connected to the worm gear (132) via a drive shaft; At least two tensioning wheels (136) are rotatably connected to both ends of the U-shaped rod (135).

7. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 2, characterized in that: A damping ring is provided between the movable frame (53) and the straight rod (57).

8. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 3, characterized in that: A damping ring is provided between the second movable frame (106) and the second straight rod (109).

9. The amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 3, characterized in that: The rodless chamber of cylinder two (102) is connected to the rodless chamber of cylinder one (52) through the air pump assembly (12).

10. An amorphous triangular three-dimensional spiral wound core adaptive negative pressure foil winding machine according to claim 4, characterized in that: The guide ring (115) is the same shape as the coiled iron core (9) and is enlarged proportionally.

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