Stepper motor coil

Abstract

The present invention discloses a stepping motor coil, which relates to the technical field of coils and includes an inner mounting frame. A plurality of embedded chutes are opened on the inner wall of the upper end of the inner mounting frame. A guide rail is fixedly connected to the inner wall of each embedded chute. A coil assembly is installed outside each guide rail, and an alarm component is installed inside the coil assembly; through the lower screw sleeve, the upper mounting table, the adsorption filter screen and the glue stick provided in the present invention, first of all, the adsorption filter screen can filter and adsorb the passing dust along with the air flow inside the stepping motor, so as to effectively reduce the dust adhered to the surface of the coil and effectively improve the cleanliness of the coil surface. Then, the glue stick will change its shape along with the heat inside the motor. Overheating inside the motor will cause the surface of the glue stick to become sticky, thereby further improving the cleanliness of the internal environment of the motor.

Description

Technical Field

[0001] The present invention relates to the technical field of coils, and specifically to a stepping motor coil. Background Art

[0002] A stepping motor is an open-loop control motor that converts an electrical pulse signal into an angular displacement or a linear displacement. It is the main actuator in modern digital program control systems and is widely used. Under non-overload conditions, the speed and stop position of the motor only depend on the frequency and number of pulse signals, and are not affected by load changes. When the stepping driver receives a pulse signal, it drives the stepping motor to rotate a fixed angle in the set direction, called the "step angle". Its rotation runs step by step at a fixed angle. The angular displacement can be controlled by controlling the number of pulses to achieve the purpose of accurate positioning; at the same time, the speed and acceleration of the motor rotation can be controlled by controlling the pulse frequency to achieve the purpose of speed regulation.

[0003] Currently, coil components are provided inside existing stepping motors. The stator coil components include an embedded frame, a winding skeleton, a stator, a coil, etc. However, most of the embedded frames and winding skeletons on the stator coils of existing stepping motors are of an integral structure. When replacing the coil wound on the winding skeleton, it is necessary to reverse-rotate the same number of turns to take it out. This coil replacement method is relatively complex. Due to the influence of multiple arrayed winding skeletons, the disassembly space is small, increasing the maintenance difficulty for maintenance personnel. Then, the stator coil inside the existing stepping motor lacks a dust suction structure, which causes the surface of the coil to be affected by dust, reducing the operating performance of the motor. At the same time, it will cause the motor to overheat, increasing the risk of short circuit, and greatly reducing the service life of the stepping motor. Summary of the Invention

[0004] To solve the defects existing in the prior art, the present invention provides a stepping motor coil.

[0005] To solve the above technical problems, the present invention provides the following technical solutions:

[0006] A stepping motor coil of the present invention includes an inner mounting frame. A plurality of embedded chutes are provided on the inner wall at the upper end of the inner mounting frame. A guide rail is fixedly connected to the inner wall of each embedded chute. A coil component is installed outside each guide rail. An alarm component is installed inside the coil component for monitoring the coil component. A heat dissipation hole is provided at the middle position of the inner wall of the inner mounting frame, and the heat dissipation hole penetrates upward and downward respectively to form an L-shaped chamber.

[0007] As a preferred technical solution of the present invention, the coil assembly includes a plurality of winding skeletons. One end of each winding skeleton close to the inner installation frame is respectively clamped on the surface of the guide rail. Coils are wound on the surface of one end of each winding skeleton close to the inner installation frame. Stator arc plates are embedded in the surface of one end of each winding skeleton far from the inner installation frame. A pull ring is fixedly connected to the upper end surface of each winding skeleton. A lower installation block is fixedly connected to the lower surface of one end of each winding skeleton far from the inner installation frame.

[0008] As a preferred technical solution of the present invention, a plurality of cylindrical support rods are fixedly connected to the inner wall of the lower end of the inner installation frame. One end of each cylindrical support rod far from the inner installation frame is fixedly connected with an octagonal lower installation plate. A plurality of lower installation grooves are formed on the upper surface of the lower installation plate, and each lower installation block is respectively inserted into the corresponding lower installation groove.

[0009] As a preferred technical solution of the present invention, a plurality of alignment jacks are formed on the outer surface of the lower installation plate. An anti - detachment groove is formed on one side of each lower installation block close to the inner installation frame.

[0010] As a preferred technical solution of the present invention, a positioning insert head is inserted into the inner cavities of each alignment jack and anti - detachment groove. One end of each positioning insert head far from the lower installation plate is fixedly connected with an outer installation plate. A positioning spring is sleeved on the outer part of the middle section of each positioning insert head, and two ends of each positioning spring are respectively fixedly connected with the opposite surfaces of the lower installation plate and the outer installation plate. A handle is fixedly connected to one side of each outer installation plate close to the inner installation frame.

[0011] As a preferred technical solution of the present invention, an internal installation carrier plate is fixedly connected to the surface of each corner of the lower installation plate. A lower screw sleeve is fixedly connected to the upper surface of each internal installation carrier plate.

[0012] As a preferred technical solution of the present invention, an upper installation platform is threadedly connected to the inner cavity of each lower screw sleeve. A double - layer adsorption filter screen is fixedly connected to the periphery of the upper surface of each upper installation platform. A glue stick is fixedly connected to the middle position of the upper surface of each upper installation platform.

[0013] As a preferred technical solution of the present invention, a cycloid cone head is fixedly connected to each inner corner of the upper end of the inner installation frame.

[0014] As a preferred technical solution of the present invention, the alarm component includes a plurality of detection copper wires. Each detection copper wire is respectively embedded in the inner part of one end of each winding skeleton far from the inner installation frame, and the lower end of each detection copper wire extends into the anti - detachment groove. An alarm is fixedly installed on the upper end surface of one end of each winding skeleton far from the inner installation frame.

[0015] As a preferred technical solution of the present invention, an inner mounting groove is provided at one end of each of the positioning inserts close to the lower mounting plate, a ventilation hole communicating with the inner mounting groove is provided at one end of each of the positioning inserts close to the inner mounting frame, and a temperature sensor is fixedly installed inside each of the inner mounting grooves.

[0016] The beneficial effects of the present invention are as follows:

[0017] 1. For this stepping motor coil, through the provided winding skeleton, lower mounting block, handle and positioning inserts, first, by pulling the handle outward, the positioning inserts can be driven to disengage from the inside of the anti - detachment groove. At this time, pulling the pull - ring upward can drive the winding skeleton and the lower mounting block to move upward simultaneously. When the winding skeleton is fully separated from the surface of the guide rail, the disassembly of the winding skeleton is quickly completed. Thus, it is convenient for maintenance personnel to quickly remove the coil from the surface of the winding skeleton, which speeds up the coil replacement rate. Obviously, this disassembly method reduces the maintenance difficulty of maintenance personnel, and the coil replacement speed is fast, improving the utilization rate of the stepping motor. Then, the winding skeleton with the replaced coil is inserted into the surface of the guide rail again, and the lower mounting block is controlled to be inserted into the inside of the lower mounting groove again. At this time, the lower mounting block will automatically squeeze the positioning inserts. When the tapered end of the positioning insert corresponds to the position of the anti - detachment groove, the elastic force of the positioning spring will push the positioning insert to automatically snap into the inside of the anti - detachment groove, thus quickly completing the reinstallation of the winding skeleton and the new coil, effectively ensuring the normal operation of the stepping motor and greatly improving the user experience.

[0018] 2. For this stepping motor coil, through the provided heat dissipation holes, first, the heat dissipation holes can transfer the heat generated by the coil assembly inside the inner mounting frame, and transfer it upward and downward respectively. In this way, the temperature of the heat around the coil can be effectively reduced, thus playing a good auxiliary role in the heat dissipation of the coil and further optimizing the heat environment inside the motor.

[0019] 3. For this stepper motor coil, through the set lower screw sleeve, upper mounting table, adsorption filter screen and glue stick, firstly, the adsorption filter screen can filter and adsorb the passing dust along with the air flow inside the stepper motor, thus effectively reducing the dust adhering to the coil surface and effectively improving the cleanliness of the coil surface. At this time, the operating performance of the stepper motor can be improved. Then, the glue stick will change its shape along with the heat inside the motor. When the temperature inside the motor is too high, it will cause the surface of the glue stick to become sticky. At this time, the glue stick can effectively adhere to the dust flowing inside the motor, thereby improving the cleanliness of the internal environment of the motor again. In this way, the normal operation of the motor can be effectively protected, the overheating of the motor can be effectively avoided, the risk of short circuit can be reduced, and the service life of the stepper motor can be further improved. When the temperature inside the motor returns to normal, the glue stick solidifies, which can enable the glue stick to be continuously used, thereby effectively improving the protection of the motor. Finally, reversing the adsorption filter screen can drive the upper mounting table out of the inside of the lower screw sleeve, thus quickly completing the disassembly of the glue stick and the adsorption filter screen, which is convenient for maintenance personnel to replace the new adsorption filter screen and glue stick, thereby further improving the purification efficiency of the internal environment of the motor.

[0020] 4. For this stepper motor coil, through the set alarm component, firstly, the detection copper wire can transmit the temperature of the coil on the winding skeleton downward to the temperature sensor. At this time, the temperature sensor can monitor the temperature state of the coil during operation in real time. When the coil temperature is too high, the temperature sensor can transmit an electrical signal to the alarm. At this time, the alarm will automatically turn on, and the alarm signal can be transmitted to the alarm light set outside the stepper motor, which is convenient for maintenance personnel to timely discover the fault and timely repair the coil component of the motor. By introducing the alarm structure, the real-time monitoring of the internal temperature of the motor is realized. When the temperature rises abnormally, the alarm system will issue an alarm in time, which not only helps to prevent potential faults, but also improves the safety of the system. The existence of the alarm system enables maintenance personnel to know the problems inside the motor in the first time and quickly carry out maintenance. At the same time, since the state of the glue stick can be observed, when replacing or repairing the motor, maintenance personnel can check and replace the glue stick that may be damaged or aged by the way, thus reducing the complexity and cost of maintenance.

[0021] 5. For this stepper motor coil, through the set internal mounting groove and ventilation holes, firstly, the detection copper wire can transmit the absorbed heat to the inside of the internal mounting groove, and then the ventilation holes can discharge the heat on the surface of the internal mounting groove and the temperature sensor to the outside, which can improve the heat dissipation efficiency of the temperature sensor, effectively improve the service life of the temperature sensor, and at the same time, improve the monitoring time of the temperature sensor for the internal heat environment of the motor, thereby further improving the self-protection of the stepper motor coil. Description of the Drawings

[0022] The accompanying drawings are used to provide a further understanding of the present invention and form a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the accompanying drawings:

[0023] Figure 1 is a schematic structural view of a stepping motor coil of the present invention;

[0024] Figure 2 is a schematic structural view of the lower perspective of a stepping motor coil of the present invention;

[0025] Figure 3 is a top view of a stepping motor coil of the present invention;

[0026] Figure 4 is a bottom view of a stepping motor coil of the present invention;

[0027] Figure 5 is an exploded view of a partial structure of a stepping motor coil of the present invention;

[0028] Figure 6 is a stepping motor coil of the present invention Figure 5 schematic structural view of the left side perspective;

[0029] Figure 7 is a stepping motor coil of the present invention Figure 5 schematic structural view of the lower perspective;

[0030] Figure 8 is a front sectional view of a stepping motor coil of the present invention;

[0031] Figure 9 is a stepping motor coil of the present invention Figure 8 stereogram;

[0032] Figure 10 is a stepping motor coil of the present invention Figure 9 schematic structural view of the left side perspective;

[0033] Figure 11 is a sectional view of the heat dissipation holes of a stepping motor coil of the present invention;

[0034] Figure 12 is a stepping motor coil of the present invention Figure 5 enlarged view at A;

[0035] Figure 13 is a stepping motor coil of the present invention Figure 6 enlarged view at B;

[0036] Figure 14 is a stepping motor coil of the present invention Figure 6 enlarged view at C;

[0037] Figure 15 is an enlarged view of the D position in a stepping motor coil of the present invention Figure 8 ;

[0038] Figure 16 is an enlarged view of the F position in a stepping motor coil of the present invention Figure 9 ;

[0039] In the figure: 1, inner mounting frame; 2, embedded sliding groove; 3, guide rail; 4, coil assembly; 401, winding skeleton; 402, coil; 403, stator arc plate; 404, pull ring; 405, lower mounting block; 406, cylindrical support rod; 407, lower mounting plate; 408, lower mounting groove; 409, alignment jack; 410, anti - detachment groove; 411, positioning insert; 412, outer mounting plate; 413, positioning spring; 414, handle; 415, internal carrier plate; 416, lower screw sleeve; 417, upper mounting table; 418, adsorption filter; 419, glue stick; 420, cycloidal cone head; 5, alarm assembly; 501, detection copper wire; 502, alarm; 503, internal mounting groove; 504, ventilation hole; 505, temperature sensor; 6, heat dissipation hole Detailed implementation mode

[0040] The following is a description of the preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for explaining and illustrating the present invention and are not used to limit the present invention

[0041] Embodiment: As Figure 1-16 shown, a stepping motor coil of the present invention includes an inner mounting frame 1. A plurality of embedded sliding grooves 2 are provided on the inner wall of the upper end of the inner mounting frame 1. A guide rail 3 is fixedly connected to the inner wall of each embedded sliding groove 2. A coil assembly 4 is installed outside each guide rail 3. An alarm assembly 5 is installed inside the coil assembly 4 for monitoring the coil assembly 4. A heat dissipation hole 6 is provided at the middle position of the inner wall of the inner mounting frame 1, and the heat dissipation hole 6 penetrates upward and downward respectively to form an L - shaped chamber

[0042] Among them, through the provided heat dissipation hole 6, first, the heat dissipation hole 6 can transfer the heat generated by the coil assembly 4 inside the inner mounting frame 1 and transfer it upward and downward respectively. In this way, the temperature of the heat around the coil 402 can be effectively reduced, thereby playing a good auxiliary role in dissipating heat from the coil 402 and further optimizing the heat environment inside the motor

[0043] The coil assembly 4 includes a plurality of winding skeletons 401. One end of each winding skeleton 401 close to the inner installation frame 1 is respectively clamped on the surface of the guide rail 3. The surface of one end of each winding skeleton 401 close to the inner installation frame 1 is wound with a coil 402. The stator arc plate 403 is embedded in the surface of one end of each winding skeleton 401 far from the inner installation frame 1. A pull ring 404 is fixedly connected to the upper end surface of each winding skeleton 401. A lower installation block 405 is fixedly connected to the lower surface of one end of each winding skeleton 401 far from the inner installation frame 1; a plurality of cylindrical support rods 406 are fixedly connected to the inner wall of the lower end of the inner installation frame 1. An octagonal lower installation plate 407 is fixedly connected to one end of each cylindrical support rod 406 far from the inner installation frame 1. A plurality of lower installation grooves 408 are formed on the upper surface of the lower installation plate 407, and each lower installation block 405 is respectively inserted into the corresponding lower installation groove 408; a plurality of alignment jacks 409 are formed on the outer surface of the lower installation plate 407. An anti - detachment groove 410 is formed on one side of each lower installation block 405 close to the inner installation frame 1; a positioning insert head 411 is inserted into the inner cavity of each alignment jack 409 and anti - detachment groove 410. An outer installation plate 412 is fixedly connected to one end of each positioning insert head 411 far from the lower installation plate 407. A positioning spring 413 is sleeved on the outer part of the middle section of each positioning insert head 411, and both ends of each positioning spring 413 are fixedly connected to the opposite surfaces of the lower installation plate 407 and the outer installation plate 412. A handle 414 is fixedly connected to one side of each outer installation plate 412 close to the inner installation frame 1; an inner installation carrier plate 415 is fixedly connected to the surface of each corner of the lower installation plate 407. A lower screw sleeve 416 is fixedly connected to the upper surface of each inner installation carrier plate 415; an upper installation platform 417 is threadedly connected to the inner cavity of each lower screw sleeve 416. A double - layer adsorption filter screen 418 is fixedly connected to the periphery of the upper surface of each upper installation platform 417. A glue stick 419 is fixedly connected to the middle position of the upper surface of each upper installation platform 417; a pendulum line cone head 420 is fixedly connected to each inner angle of the upper end of the inner installation frame 1.

[0044] Among them, through the provided coil assembly 4, first, by controlling the handle 414 to be pulled outward, the positioning insert head 411 can be driven to disengage from the inside of the anti - detachment groove 410. At this time, by pulling the pull ring 404 upward, the winding skeleton 401 and the lower mounting block 405 can be driven to move upward simultaneously. When the winding skeleton 401 is fully disengaged from the surface of the guide rail 3, the disassembly of the winding skeleton 401 is quickly completed. Thus, it is convenient for the maintenance personnel to quickly remove the coil 402 from the surface of the winding skeleton 401, so as to accelerate the replacement rate of the coil 402. Obviously, this disassembly method reduces the maintenance difficulty of the maintenance personnel, and the coil 402 can be replaced quickly, improving the utilization rate of the stepping motor. Then, the winding skeleton 401 with the replaced coil 402 is inserted into the surface of the guide rail 3 again, and the lower mounting block 405 is controlled to be inserted into the inside of the lower mounting groove 408 again. At this time, the lower mounting block 405 will automatically squeeze the positioning insert head 411. When the tapered end of the positioning insert head 411 corresponds to the position of the anti - detachment groove 410, the elastic force of the positioning spring 413 will push the positioning insert head 411 to automatically snap into the inside of the anti - detachment groove 410. In this way, the reinstallation of the winding skeleton 401 and the new coil 402 is quickly completed, effectively ensuring the normal operation of the stepping motor and greatly improving the user experience.

[0045] The alarm assembly 5 includes a plurality of detection copper wires 501. Each detection copper wire 501 is respectively embedded in the inside of one end of each winding skeleton 401 away from the inner mounting frame 1, and the lower end of each detection copper wire 501 extends into the inside of the anti - detachment groove 410. An alarm 502 is fixedly installed on the upper end surface of one end of each winding skeleton 401 away from the inner mounting frame 1; an inner mounting groove 503 is opened at one end of each positioning insert head 411 close to the lower disk 407, and a ventilation hole 504 communicating with the inner mounting groove 503 is opened at one end of each positioning insert head 411 close to the inner mounting frame 1. A temperature sensor 505 is fixedly installed in the inside of each inner mounting groove 503.

[0046] Among them, through the alarm component 5 set up, first the copper wire 501 is detected, which can transmit the temperature of the coil 402 on the winding frame 401 downward to the temperature sensor 505. At this time, the temperature sensor 505 can monitor the temperature state of the coil 402 during operation in real time. When the temperature of the coil 402 is too high, the temperature sensor 505 can transmit the electrical signal to the alarm 502, and the alarm 502 will automatically turn on. When the alarm 502 is turned on, the alarm signal can be transmitted to the alarm light set outside the stepper motor, so that maintenance personnel can find faults in time and repair the coil component 4 of the motor in time. The existence of the alarm system enables maintenance personnel to know the problems inside the motor at the first time and carry out maintenance quickly. At the same time, since the status of the glue stick 419 can be observed, maintenance personnel can check and replace the glue stick 419 that may be damaged or aged when replacing or repairing the motor, thereby reducing the complexity and cost of maintenance.

[0047] When working, first control the handle 414 to pull outward to drive the positioning head 411 out of the anti-slip groove 410, and then pull the pull ring 404 upward to drive the winding skeleton 401 and the lower mounting block 405 to move upward at the same time. When the winding skeleton 401 is fully separated from the surface of the guide rail 3, the winding skeleton 401 is quickly disassembled, so that it is convenient for maintenance personnel to quickly pull the coil 402 away from the surface of the winding skeleton 401, so as to speed up the replacement rate of the coil 402. Obviously, this disassembly method reduces the maintenance difficulty of maintenance personnel, and the replacement of the coil 402 is convenient. The speed is fast, which improves the utilization rate of the stepper motor. Then, the winding frame 401 of the replaced coil 402 is clamped into the surface of the guide rail 3 again, and the lower mounting block 405 is controlled to be clamped into the lower mounting groove 408 again. At this time, the lower mounting block 405 will automatically squeeze the positioning insert 411. When the cone end of the positioning insert 411 corresponds to the position of the anti-slip groove 410, the elastic force of the positioning spring 413 will push the positioning insert 411 to automatically snap into the anti-slip groove 410. In this way, the winding frame 401 and the new coil 402 are quickly installed again, thereby effectively ensuring the normal operation of the stepper motor.

[0048] Dust handling: First, the adsorption filter screen 418 can filter and adsorb the passing dust along with the air flow inside the stepper motor, effectively reducing the dust adhering to the surface of the coil 402, effectively improving the cleanliness of the surface of the coil 402, and at this time, the operating performance of the stepper motor can be improved. Then, the glue stick 419 will change its form along with the heat inside the motor. Overheating inside the motor will cause the surface of the glue stick 419 to soften and become sticky. At this time, the glue stick 419 can effectively adhere to the dust flowing inside the motor, thereby improving the cleanliness of the internal environment of the motor again. In this way, the normal operation of the motor can be effectively protected, overheating of the motor can be effectively avoided, the risk of short circuit can be reduced, and the service life of the stepper motor can be further improved. When the temperature inside the motor returns to normal, the glue stick 419 solidifies, which can enable the glue stick 419 to be continuously used, thereby effectively improving the protection performance of the motor. Finally, rotating the adsorption filter screen 418 in the reverse direction can drive the upper mounting table 417 out of the inside of the lower screw sleeve 416, thereby quickly completing the disassembly of the glue stick 419 and the adsorption filter screen 418, which is convenient for maintenance personnel to replace the new adsorption filter screen 418 and the glue stick 419;

[0049] Alarm of the coil assembly 4: First, the detection copper wire 501 can transmit the temperature of the coil 402 on the winding skeleton 401 downward to the temperature sensor 505. At this time, the temperature sensor 505 can monitor the temperature state of the coil 402 during operation in real time. When the temperature of the coil 402 is too high, the temperature sensor 505 can transmit an electrical signal to the alarm 502. At this time, the alarm 502 will be automatically turned on, and the alarm 502 can transmit the alarm signal to the alarm light set outside the stepper motor, so as to facilitate maintenance personnel to discover the fault in time and repair the coil assembly 4 of the motor in time; The existence of the alarm system enables maintenance personnel to know the problems inside the motor in the first time and quickly carry out repairs. At the same time, since the state of the glue stick 419 can be observed, when replacing or repairing the motor, maintenance personnel can conveniently check and replace the glue stick 419 that may have been damaged or aged.

[0050] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. Stepper motor coil, including an inner frame (1), characterized in that, The inner mounting frame (1) has a plurality of embedded sliding grooves (2) opened on the inner wall at its upper end. A guide rail (3) is fixedly connected to the inner wall of each of the embedded sliding grooves (2). A coil assembly (4) is installed outside each of the guide rails (3). An alarm assembly (5) is installed inside the coil assembly (4) for monitoring the coil assembly (4). A heat dissipation hole (6) is opened at the middle position of the inner wall of the inner mounting frame (1), and the heat dissipation hole (6) penetrates upward and downward respectively to form an L-shaped chamber; The coil assembly (4) includes a plurality of winding skeletons (401). One end of each winding skeleton (401) close to the inner mounting frame (1) is respectively clamped on the surface of the guide rail (3). A lower mounting block (405) is fixedly connected to the lower surface of one end of each winding skeleton (401) away from the inner mounting frame (1); A plurality of cylindrical support rods (406) are fixedly connected to the inner wall of the inner mounting frame (1) at its lower end. An octagonal lower mounting plate (407) is fixedly connected to one end of each cylindrical support rod (406) away from the inner mounting frame (1); A plurality of alignment jacks (409) are opened on the outer surface of the lower mounting plate (407). An anti-detachment groove (410) is opened on one side of each lower mounting block (405) close to the inner mounting frame (1); A positioning insert head (411) is inserted into the inner cavities of each of the alignment jacks (409) and the anti-detachment grooves (410); An internal mounting plate (415) is fixedly connected to the surface of each corner of the lower mounting plate (407). A lower screw sleeve (416) is fixedly connected to the upper surface of each internal mounting plate (415); An upper mounting platform (417) is threadedly connected to the inner cavity of each of the lower screw sleeves (416). A double-layer adsorption filter screen (418) is fixedly connected to the periphery of the upper surface of each upper mounting platform (417). A glue stick (419) is fixedly connected to the middle position of the upper surface of each upper mounting platform (417); The alarm assembly (5) includes a plurality of detection copper wires (501). Each of the detection copper wires (501) is embedded inside one end of each winding skeleton (401) away from the inner mounting frame (1), and the lower end of each detection copper wire (501) extends into the anti-detachment groove (410). An alarm (502) is fixedly installed on the upper end surface of one end of each winding skeleton (401) away from the inner mounting frame (1); An inner mounting groove (503) is opened at one end of each positioning insert head (411) close to the lower mounting plate (407). A ventilation hole (504) communicating with the inner mounting groove (503) is opened at one end of each positioning insert head (411) close to the inner mounting frame (1). A temperature sensor (505) is fixedly installed inside each of the inner mounting grooves (503).

2. The stepping motor coil according to claim 1, wherein A coil (402) is wound around the surface of each of the winding skeletons (401) near one end of the inner mounting frame (1), a stator arc plate (403) is embedded in the surface of each of the winding skeletons (401) far from one end of the inner mounting frame (1), and a pull ring (404) is fixedly connected to the upper end surface of each of the winding skeletons (401).

3. The stepping motor coil according to claim 2, characterized in that, A plurality of lower mounting grooves (408) are formed in the upper surface of the lower mounting plate (407), and each of the lower mounting blocks (405) is inserted into the corresponding lower mounting groove (408).

4. The stepping motor coil according to claim 3, characterized in that, An outer mounting plate (412) is fixedly connected to one end of each of the positioning inserts (411) far from the lower mounting plate (407), a positioning spring (413) is sleeved on the outer part of the middle section of each of the positioning inserts (411), and two ends of each of the positioning springs (413) are fixedly connected to opposite surfaces of the lower mounting plate (407) and the outer mounting plate (412) respectively. A handle (414) is fixedly connected to one surface of each of the outer mounting plates (412) close to the inner mounting frame (1).

5. The stepping motor coil according to claim 4, wherein A cycloid cone head (420) is fixedly connected to each inner corner at the upper end of the inner mounting frame (1).

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