A processing and assembling apparatus for a reactor coil and a core

Abstract

The application discloses a processing and assembling equipment for an electric reactor coil and a core, and belongs to the field of electronic component manufacturing.The processing and assembling equipment for the electric reactor coil and the core comprises a core body, further comprises a numerical control sliding table arranged outside the core body, and the top of the numerical control sliding table is further provided with a grabbing manipulator; the outside of the grabbing manipulator is provided with an assembling table; the bottom of the assembling table is rotationally connected with a rotating base; and the top of the rotating base is connected with a plug-in tray; the equipment further comprises a wire conveying structure, a core column chamfer structure and a wire pushing assembly; the equipment ensures strict symmetrical distribution of three-phase coils through 120-degree indexing positioning of the rotating base and double-strand parallel winding of the wire pushing assembly, eliminates phase deviation of manual winding, improves magnetic field uniformity, realizes continuous layered winding through the cooperative action of the wire conveying structure and the wire pushing assembly, and avoids scratching of the wire insulation layer through real-time grinding of the core edge in the winding process through the embedded grinding piece.

Description

Technical Field

[0001] This invention relates to the field of electronic component manufacturing, and more particularly to a processing and assembly equipment for reactor coils and cores. Background Technology

[0002] Reactors, also called inductors, are widely used in circuits. Due to the effect of electromagnetic induction, they possess a certain degree of inductance, which helps to prevent changes in current. When a conductor carries current, it generates a magnetic field within the space it occupies. Therefore, all current-carrying conductors have inductance in a general sense. In current devices, the coil and iron core are assembled by fixing the iron core in a designated position and then attaching the coil to the outer edge of the top of the iron core.

[0003] Three-phase toroidal reactors require 120-degree winding to achieve symmetrical magnetic field distribution. The core is a closed toroidal shape. If it is wound manually without positioning fixtures, the coils are prone to crossing, overlapping, or loosening due to angle deviation or uneven tension. Insufficient tension during winding will cause the coils to sag, making it impossible to tighten the wires when changing layers, which will lead to winding crossing accidents. Excessive tension will damage the wires or break the insulation. On the other hand, the edges of the core columns are not chamfered, which will cause the wires to slip and misalign during winding. The uneven surface will cause uneven winding distribution, resulting in local accumulation and loosening. Summary of the Invention

[0004] The purpose of this invention is to address the problems in the prior art where, during winding, manual winding without positioning fixtures easily leads to coil crossing, overlapping, or loosening due to angle deviations or uneven tension. Insufficient tension during winding can cause coil collapse, making it impossible to tighten the wires during layer changes, resulting in winding crossing accidents. Excessive tension can damage the wires or insulation. Furthermore, the lack of chamfering on the edges of the core column can cause wire slippage and misalignment during winding, and the uneven surface can lead to uneven winding distribution, causing local accumulation and loosening. Therefore, this invention proposes a processing and assembly device for reactor coils and cores.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A processing and assembly apparatus for reactor coils and cores, comprising a core body, and further comprising:

[0007] A CNC slide table is set on the outside of the iron core body, and a gripping robot is set on the top of the CNC slide table. An assembly table is set on the outside of the gripping robot. A rotating base is rotatably connected to the bottom of the assembly table, and an insert tray is connected to the top of the rotating base.

[0008] The transmission structure is located on the outside of the insertion tray and is used to stably transport the conductor group to the outside of the core column of the core body.

[0009] The iron core column chamfering structure is set at the top of the transmission structure to flexibly adjust the chamfering position and chamfer the sharp edges of the iron core body's yoke and iron core column connection while the transmission line group is being conveyed.

[0010] The wire-pulling assembly, located on the other side of the assembly table away from the wire transmission structure, is used to wind the double-strand coil to the outside of the core column of the core body.

[0011] A boss is fixedly connected to the outside of the assembly table. A push cylinder is also provided on the top of the boss. A push frame that is slidably connected to the boss is provided on the outside of the output end of the push cylinder. A transverse push plate is provided on the outside of the push frame. A polishing disc is fixedly connected on the outside of the transverse push plate. A transverse cutting component for leveling the sharp outer edge of the iron core is provided on the inside of the push frame.

[0012] As a preferred technical solution of this application, the transmission structure includes a winding post installed on one side of the assembly table, a square lifting plate sleeved on the outside of the winding post, a Z-axis guide plate installed at one end of the square lifting plate, a linear motor installed on the inside of the Z-axis guide plate, a fixing frame installed on the outside of the linear motor and connected to the assembly table, and an anti-loosening wire assembly installed on the outside of the Z-axis guide plate and connected to the bottom of the square lifting plate.

[0013] As a preferred technical solution of this application, the anti-loosening wire assembly includes a support plate installed on the outside of the Z-axis guide plate, a U-shaped bracket installed in the middle of the outside of the support plate, an electric push rod installed on the inside of the U-shaped bracket, and a guide piece installed on the outside of the electric push rod for limiting the wire group routing on the surface of the winding post.

[0014] As a preferred technical solution of this application, the iron core column chamfering structure includes a raised plate installed on the outside of the square lifting plate, a stepper motor installed on the top of the raised plate, an L-shaped rotating plate installed on the outside of the output end of the stepper motor, and an embedded grinding disc installed on the bottom of the L-shaped rotating plate and grinding against the sharp edge of the inner groove of the iron core body.

[0015] As a preferred technical solution of this application, the wire-picking assembly includes a positioning frame installed on the outside of the assembly table, a power cylinder installed on the outside of the positioning frame, a connecting plate installed on the outside of the power cylinder, a drive motor installed in the middle of the connecting plate, a connecting shaft installed on the outside of the output end of the drive motor and rotatably connected to the connecting plate, a rotating square plate installed on the outside of the connecting shaft, a grooved hook needle installed at both ends of the rotating square plate for picking up the wire group and two strands wound around the inside of the iron core body.

[0016] As a preferred technical solution of this application, the transverse cutting assembly includes a DC motor mounted on the outside of the push frame, a rotating shaft mounted on the outside of the output end of the DC motor, a bidirectional thread sleeved on the outside of the rotating shaft, a movable plate mounted on the outside of the bidirectional thread sleeve, a rack seat sleeved on the top of the movable plate, a transmission gear meshing on the rack seat, a locking wheel mounted on the outside of the transmission gear, a transverse gear seat meshing on the tooth grooves of the two sets of locking wheels and connected to the transverse push plate, and a limiting assembly mounted on the other side of the transmission gear.

[0017] As a preferred technical solution of this application, the limiting component includes a limiting plate installed on the side of the transmission gear away from the locking wheel and a tension spring installed in the gap between the two sets of limiting plates.

[0018] As a preferred technical solution of this application, the grooved hook needles are symmetrically arranged at both ends of the rotating square plate, and the straight-line distance between the grooved hook needles is greater than the overall length of the iron core body.

[0019] As a preferred technical solution of this application, the movable plates are symmetrically arranged on the outside of the bidirectional threads, and the movable plates form a meshing transmission structure with the transmission gear through the rack seat.

[0020] As a preferred technical solution of this application, the polishing plate is formed by an L-shaped rotating plate and a stepper motor.

[0021] Compared with the prior art, the present invention provides a processing and assembly device for reactor coils and cores, which has the following advantages:

[0022] 1. This equipment for processing and assembling reactor coils and cores ensures a strictly symmetrical distribution of the three-phase coils through 120° indexing positioning of the rotating base and double-strand winding of the wire-pulling assembly, eliminating phase deviations caused by manual winding, improving magnetic field balance, and enabling continuous layered winding by coordinating the transmission structure and the wire-pulling assembly, thereby reducing downtime and manual intervention.

[0023] 2. This equipment for processing and assembling reactor coils and iron cores uses embedded grinding discs to grind the edges of the iron core in real time during the winding process, avoiding scratches on the wire insulation layer; the transverse cutting component further flattens the iron core surface, eliminating local magnetic field distortion; the electric push rod of the anti-loosening component automatically adjusts the pressure according to the number of winding layers, preventing loosening and avoiding excessive tightness that could damage the wire.

[0024] 3. This equipment for processing and assembling reactor coils and cores can accurately hook the wires through the grooved hook needle of the wire-pulling assembly. Combined with the rotating square plate, this device can achieve the effect of double-strand winding. The linear motor and stepper motor are equipped with encoder feedback to monitor the number of winding turns, tension and chamfer depth in real time. It will automatically stop and alarm when abnormal.

[0025] 4. This equipment for processing and assembling reactor coils and iron cores uses a cylinder to drive a horizontal push plate to pull the polishing disc outward, so that the L-shaped rotating plate can descend without obstruction. The stepper motor flexibly adjusts the position of the embedded polishing disc, and the Z-axis guide plate driven by a linear motor enables this device to achieve the dual effects of wire feeding and iron core surface leveling with a single linear motor. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a processing and assembly equipment for reactor coils and cores proposed in this invention;

[0027] Figure 2 This is a schematic diagram of the transmission line structure of a processing and assembly equipment for reactor coils and cores proposed in this invention;

[0028] Figure 3 This is a schematic diagram of the structure of an insert tray for processing and assembling reactor coils and cores according to the present invention;

[0029] Figure 4 This is a schematic diagram of the anti-loosening wire assembly of a processing and assembly equipment for reactor coils and cores proposed in this invention;

[0030] Figure 5 This is a schematic diagram of the wire-drawing assembly of a processing and assembly equipment for reactor coils and iron cores proposed in this invention;

[0031] Figure 6 This is a schematic diagram of the structure of a limiting assembly for a processing and assembly equipment for reactor coils and cores proposed in this invention;

[0032] Figure 7 This invention provides a processing and assembly device for reactor coils and cores. Figure 3 A schematic diagram of the structure of part A;

[0033] Figure 8 This invention provides a processing and assembly device for reactor coils and cores. Figure 4 A structural diagram of section B;

[0034] Figure 9 This invention provides a processing and assembly device for reactor coils and cores. Figure 5 A structural diagram of part C.

[0035] In the picture:

[0036] 1. Iron core body; 2. CNC slide table; 21. Gripping robot; 22. Assembly table; 23. Rotating base; 24. Insertion tray; 3. Wire feeding structure; 301. Winding column; 302. Square lifting plate; 303. Z-axis guide plate; 304. Linear motor; 305. Fixing frame; 306. Anti-loosening wire assembly; 3061. Support plate; 3062. U-shaped bracket; 3063. Electric push rod; 3064. Guide plate; 4. Iron core column chamfering structure; 41. Elevating plate; 42. Stepper motor; 43. L-shaped rotating plate; 44. Embedded grinding disc; 5. Wire picking assembly; 51. Positioning frame. 52. Power cylinder; 53. Connecting plate; 54. Drive motor; 55. Connecting shaft; 56. Rotating square plate; 57. Grooved hook needle; 6. Boss; 61. Push cylinder; 62. Push frame; 63. Transverse push plate; 64. Grinding disc; 65. Transverse cutting assembly; 651. DC motor; 652. Rotating shaft; 653. Bidirectional thread; 654. Movable plate; 655. Rack seat; 656. Transmission gear; 657. Locking wheel; 658. Transverse gear seat; 7. Limiting assembly; 71. Limiting plate; 72. Tension spring; 100. Linear shaft; 101. Small guide roller. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0038] Example:

[0039] Reference Figure 1-3 A processing and assembly apparatus for reactor coils and cores, comprising a core body 1, and further comprising:

[0040] A CNC slide table 2 is located on the outside of the iron core body 1, and a gripping robot 21 is also provided on the top of the CNC slide table 2. An assembly table 22 is provided on the outside of the gripping robot 21. A rotating base 23 is rotatably connected to the bottom of the assembly table 22, and an insertion tray 24 is connected to the top of the rotating base 23. The CNC slide table 2, together with the gripping robot 21, is used to accurately position the iron core and realize automated material handling. The rotating base 23, together with the insertion tray 24, is used to provide a 120° indexing rotation function and to fix and support the iron core body 1.

[0041] The transmission structure 3 is located on the outside of the insertion tray 24 and is used to stably transmit the conductor group to the outside of the core column of the core body 1.

[0042] The iron core column chamfering structure 4 is set on the top of the transmission structure 3, which is used to flexibly adjust the chamfering position and chamfer the sharp edges of the iron core body 1 and the iron core column connection while the transmission line group is being conveyed.

[0043] The wire-pulling assembly 5 is located on the other side of the assembly table 22 away from the wire transmission structure 3, and is used to wind the double-strand coil to the outside of the core column of the core body 1.

[0044] A boss 6 is fixedly connected to the outside of the assembly table 22. A push cylinder 61 is also provided on the top of the boss 6. A push frame 62 that is slidably connected to the boss 6 is provided on the outside of the output end of the push cylinder 61. A transverse push plate 63 is provided on the outside of the push frame 62. A polishing disc 64 is fixedly connected to the outside of the transverse push plate 63. A transverse cutting component 65 for leveling the sharp outer edge of the iron core is provided on the inside of the push frame 62. The push cylinder 61 drives the transverse push plate 63 to pull the polishing disc 64 outward, so that the L-shaped rotating plate 43 is not obstructed during the descent. The stepper motor 42 flexibly adjusts the position of the embedded polishing disc 44. With the Z-axis guide plate 303 driven by the linear motor 304, this device can achieve the dual effects of wire feeding and leveling the surface of the iron core with a single linear motor 304.

[0045] like Figure 3 and Figure 4 As shown, in one embodiment: the wire transmission structure 3 includes a winding post 301 installed on one side of the assembly table 22, a square lifting plate 302 sleeved on the outside of the winding post 301, a Z-axis guide plate 303 installed at one end of the square lifting plate 302, a linear motor 304 installed on the inside of the Z-axis guide plate 303, a fixing frame 305 installed on the outside of the linear motor 304 and connected to the assembly table 22, and an anti-loosening wire assembly 306 installed on the outside of the Z-axis guide plate 303 and connected to the bottom of the square lifting plate 302; the winding post 301 is used for wire storage and release, the square lifting plate 302 is used for height adjustment of the Z-axis guide plate 303, and the Z-axis guide plate 303 is used for wire path guidance.

[0046] like Figure 4 and Figure 8 As shown, in one embodiment, the anti-loosening wire assembly 306 includes a support plate 3061 mounted on the outside of the Z-axis guide plate 303, a U-shaped bracket 3062 mounted on the middle of the outer side of the support plate 3061, an electric push rod 3063 mounted on the inner side of the U-shaped bracket 3062, and a guide plate 3064 mounted on the outside of the electric push rod 3063 and used to restrict the wire routing on the surface of the winding post 301. The tension of the wire is dynamically adjusted by the electric push rod 3063 in conjunction with the guide plate 3064 to prevent the winding from being too loose or too tight.

[0047] like Figure 3 and Figure 7As shown, in one embodiment: the core column chamfering structure 4 includes a raised plate 41 installed on the outside of the square lifting plate 302, a stepper motor 42 installed on the top of the raised plate 41, an L-shaped rotating plate 43 installed on the outside of the output end of the stepper motor 42, and an embedded grinding disc 44 installed on the bottom of the L-shaped rotating plate 43 and grinding against the sharp edge of the inner groove of the yoke of the core body 1. The stepper motor 42 is used to precisely control the grinding position, and the L-shaped rotating plate 43, in conjunction with the embedded grinding disc 44, is used to automatically chamfer the edges and eliminate burrs on the core edge.

[0048] The embedded grinding disc 44 grinds the edge of the iron core in real time during the winding process to avoid scratching the insulation layer of the wire; the transverse cutting component 65 further flattens the surface of the iron core to eliminate local magnetic field distortion; the electric push rod 3063 of the anti-loosening component 306 automatically adjusts the pressure according to the number of winding layers to prevent loosening and avoid excessive tightness that could damage the wire.

[0049] like Figure 5 and Figure 9 As shown, in one embodiment: the wire-picking assembly 5 includes a positioning frame 51 mounted on the outside of the assembly table 22, a power cylinder 52 mounted on the outside of the positioning frame 51, a connecting plate 53 mounted on the outside of the power cylinder 52, a drive motor 54 mounted in the middle of the connecting plate 53, a connecting shaft 55 mounted on the outside of the output end of the drive motor 54 and rotatably connected to the connecting plate 53, a rotating square plate 56 mounted on the outside of the connecting shaft 55, and grooved hook needles 57 mounted at both ends of the rotating square plate 56 for picking up the wire group and the double strands wound around the inside of the iron core body 1. The grooved hook needles 57 are used for separating and guiding the double strands of wire to ensure uniform distribution of the winding.

[0050] The slotted hook 57 of the wire-picking assembly 5 can accurately hook the wire, and together with the rotating square plate 56, the device can achieve the effect of double strand winding. The linear motor 304 and the stepper motor 42 are equipped with encoder feedback to monitor the number of winding turns, tension and chamfer depth in real time, and automatically stop and alarm when abnormal.

[0051] like Figure 4 and Figure 6As shown, in one embodiment: the transverse cutting assembly 65 includes a DC motor 651 mounted on the outside of the push frame 62, a rotating shaft 652 mounted on the outside of the output end of the DC motor 651, a bidirectional thread 653 sleeved on the outside of the rotating shaft 652, a movable plate 654 mounted on the outside of the bidirectional thread 653, a rack seat 655 sleeved on the top of the movable plate 654, a transmission gear 656 meshing above the rack seat 655, a locking wheel 657 mounted on the outside of the transmission gear 656, a transverse gear seat 658 meshing at the tooth grooves of the two sets of locking wheels 657 and connected to the transverse push plate 63, and a limiting assembly 7 mounted on the other side of the transmission gear 656. The polishing disc 64 of the transverse cutting assembly 65 is used for the finishing of the iron core surface, and the bidirectional thread 653 mechanism symmetrically adjusts the polishing pressure to ensure the flatness of the iron core surface.

[0052] like Figure 6 As shown, in one embodiment: the limiting assembly 7 includes a limiting plate 71 installed on the side of the transmission gear 656 away from the locking wheel 657, and a tension spring 72 installed in the gap between the two sets of limiting plates 71. The limiting plate 71, together with the tension spring 72, provides overload protection to prevent the mechanism from exceeding its travel range.

[0053] like Figure 9 As shown, in one embodiment: the grooved hook needles 57 are symmetrically arranged at both ends of the rotating square plate 56, and the straight-line distance between the grooved hook needles 57 is greater than the overall length of the iron core body 1.

[0054] like Figure 6 As shown, in one embodiment: the movable plate 654 is symmetrically arranged on the outside of the bidirectional thread 653, and the movable plate 654 forms a meshing transmission structure with the transmission gear 656 through the rack seat 655.

[0055] like Figure 3 As shown, in one embodiment: the polishing plate 64 forms a rotating structure with the stepper motor 42 via the L-shaped rotating plate 43, and the outer wall surface of the polishing plate 64 is in close contact with the inner groove of the iron core body 1.

[0056] Specifically, in use, a processing and assembly equipment for reactor coils and cores operates as follows: the core body 1 is fixed to the rotating base 23 via an insert tray 24, and is positioned with the assistance of a gripping robot 21. A CNC slide 2 drives the gripping robot 21 to move, ensuring the core is aligned with the winding mechanism. The rotating base 23 then resets, aligning the initial winding position of the core with the wire feeding structure 3. During wire feeding, the winding column 301 releases the wire, the square lifting plate 302 adjusts its height along the Z-axis, and the small wire roller 101 stabilizes the wire feeding and matches the core winding layer position. A linear motor 304 drives the Z-axis guide plate 303 to feed the wire at a uniform speed, ensuring stable wire feeding. Simultaneously, an electric push rod 3063 can be activated, dynamically adjusting the pressure of the guide plate 3064 to prevent the wire from becoming too loose or too tight. After passing through the guide plate 3064, the wire enters the area of ​​the wire-picking assembly 5. During the chamfering process, the stepper motor 42 drives the L-shaped rotating plate 43 to move downwards, causing the embedded grinding disc 44 to contact the edge of the inner groove of the iron core. The grinding disc rotates at high speed, chamfering the connection between the yoke and the iron core column. When the wire-picking assembly 5 is working, the power cylinder 52 pushes the connecting plate 53 in the direction of the linear axis 100, causing the grooved hook needle 57 to come close to the iron core. The drive motor 54 rotates the connecting shaft 55, causing the rotating square plate 56 to move symmetrically. The double-strand wire is picked up by the hook needle and wound around the iron core. The distance between the hook needles is greater than the length of the iron core body 1, ensuring full coverage of the winding without dead corners. After each layer is wound, the push cylinder 61 is activated, the lateral push plate 63 moves outwards, the grinding disc 64 retracts to avoid it, and the rotating base 23 rotates 120° and enters the next phase of winding, until all winding layers are completed. Before winding, the DC motor 651 can be started. The DC motor 651 drives the bidirectional screw 653, causing the symmetrically arranged movable plate 654 to move along the rack seat 655. The transmission gear 656 drives the transverse rack seat 658 to press down, the locking wheel 657 fixes the position of the wire, and the polishing plate 64 is reset to repair the outer surface of the iron core and eliminate bumps.

[0057] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A processing assembly for an electric reactor coil and a core, comprising a core body, characterized in that, Also includes: A CNC slide table is set on the outside of the iron core body, and a gripping robot is also set on the top of the CNC slide table. An assembly table is set on the outside of the gripping robot. A rotating base is rotatably connected to the bottom of the assembly table, and an insert-type tray is connected to the top of the rotating base. The transmission structure is located on the outside of the insertion tray and is used to stably transport the conductor group to the outside of the core column of the core body. The iron core column chamfering structure is set on the top of the transmission structure. It is used to flexibly adjust the chamfering station and chamfer the sharp edges of the iron core body's yoke and iron core column connection while the transmission line group is being conveyed. The iron core column chamfering structure includes a lifting plate installed on the outside of the square lifting plate, a stepper motor installed on the top of the lifting plate, an L-shaped rotating plate installed on the outside of the stepper motor's output end, and an embedded grinding disc installed at the bottom of the L-shaped rotating plate and grinding against the sharp edge of the iron core body's yoke inner groove. The wire-pulling assembly is located on the side of the assembly table away from the wire-transmitting structure. It is used to wind the coil with two strands in parallel to the outside of the iron core column of the iron core body. The wire-pulling assembly includes a positioning frame installed on the outside of the assembly table, a power cylinder installed on the outside of the positioning frame, a connecting plate installed on the outside of the power cylinder, a drive motor installed in the middle of the connecting plate, a connecting shaft installed on the outside of the output end of the drive motor and rotatably connected to the connecting plate, a rotating square plate installed on the outside of the connecting shaft, and grooved hook needles installed at both ends of the rotating square plate for picking up the wire group and the coil with two strands in parallel inside the iron core body. A boss is fixedly connected to the outside of the assembly table. A push cylinder is also provided on the top of the boss. A push frame that is slidably connected to the boss is provided on the outside of the output end of the push cylinder. A transverse push plate is provided on the outside of the push frame. A polishing disc is fixedly connected on the outside of the transverse push plate. A transverse cutting component for leveling the sharp outer edge of the iron core is provided on the inside of the push frame.

2. A processing and assembling apparatus for a reactor coil and a core according to claim 1, wherein The cable transmission structure includes a winding post installed on one side of the assembly table, a square lifting plate sleeved on the outside of the winding post, a Z-axis guide plate installed at one end of the square lifting plate, a linear motor installed on the inside of the Z-axis guide plate, a fixing frame installed on the outside of the linear motor and connected to the assembly table, and an anti-loosening cable assembly installed on the outside of the Z-axis guide plate and connected to the bottom of the square lifting plate.

3. A processing and assembling apparatus for a reactor coil and a core according to claim 2, wherein The anti-loosening wire assembly includes a support plate installed on the outside of the Z-axis guide plate, a U-shaped bracket installed in the middle of the outside of the support plate, an electric push rod installed inside the U-shaped bracket, and a guide piece installed outside the electric push rod to restrict the wire group routing on the surface of the winding post.

4. The apparatus for processing and assembling a reactor coil and a core according to claim 1, wherein The transverse cutting assembly includes a DC motor mounted on the outside of the push frame, a rotating shaft mounted on the outside of the DC motor output end, a bidirectional thread sleeved on the outside of the rotating shaft, a movable plate mounted on the outside of the bidirectional thread sleeve, a rack seat sleeved on the top of the movable plate, a transmission gear meshing above the rack seat, a locking wheel mounted on the outside of the transmission gear, a transverse gear seat meshing at the tooth grooves of the two sets of locking wheels and connected to the transverse push plate, and a limiting assembly mounted on the other side of the transmission gear.

5. A processing and assembling apparatus for a reactor coil and a core according to claim 4, wherein The limiting assembly includes a limiting plate installed on the side of the transmission gear away from the locking wheel, and a tension spring installed in the gap between the two sets of limiting plates.

6. A processing and assembling apparatus for a reactor coil and a core according to claim 5, wherein The grooved hooks are symmetrically arranged at both ends of the rotating square plate, and the straight-line distance between the grooved hooks is greater than the overall length of the iron core body.

7. A processing and assembling apparatus for a reactor coil and a core according to claim 4, wherein The movable plates are symmetrically arranged on the outside of the bidirectional thread, and the movable plates form a meshing transmission structure with the transmission gear through the rack seat.

8. The processing and assembly equipment for reactor coils and cores according to claim 1, characterized in that, The polishing disc forms a rotating structure with a stepper motor via an L-shaped rotating plate, and the outer wall surface of the polishing disc is in close contact with the inner groove of the iron core body.

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