109 results about "Commutator (electric)" patented technology

The utility model discloses a fixed four-linkage electric speed reduction elevator which comprises a motor, the output end of the motor is provided with a hole-shaft double-input lead screw speed reduction elevator, the two output ends of the hole-shaft double-input lead screw speed reduction elevator are respectively provided with a double-shaft input lead screw speed reduction elevator, and the two output ends of the hole-shaft double-input lead screw speed reduction elevator are respectively provided with a double-shaft input lead screw speed reduction elevator. The output end of one double-shaft input lead screw speed reduction elevator is provided with the other double-shaft input lead screw speed reduction elevator. According to the fixed type four-linkage electric speed reduction elevator, a middle reverser of a traditional four-linkage elevator is combined with a speed reduction elevator part, so that the middle reverser is omitted, and the reversing function is achieved through the process that the double-input worm is connected with the first arc bevel gear and the second arc bevel gear; by means of the speed reduction transmission characteristic of the worm gear and the worm, more speed reduction ratios can be obtained, the speed reduction ratio of the speed reduction elevator can be selected according to using requirements, and larger platform bearing force and various lifting speeds are achieved.

The utility model discloses a novel walking type turner, which relates to the technical field of turners and comprises a truss, four corners of the truss are fixedly connected with supporting legs, the bottom ends of the supporting legs are movably connected with sliding rail type walking wheels, the bottom of the truss is slidably connected with an electric hoist frame, four corners of the electric hoist frame are provided with hydraulic oil cylinders, and the hydraulic oil cylinders are provided with hydraulic oil cylinders. A driving motor frame is arranged at the bottom ends of the four hydraulic oil cylinders, a cross-shaped commutator is fixedly connected to the bottom end of the driving motor frame, driving shafts are arranged at the left end and the right end of the cross-shaped commutator, turning wheels are arranged at the ends, away from the cross-shaped commutator, of the driving shafts, and the track of each turning wheel is a rounded square. Aiming at the problems of incomplete turning and throwing and incapability of turning and throwing at the corner of the ectopic fermentation bed, the turning and throwing wheel is formed after optimization by virtue of the characteristic that the motion trail of the Leyo triangle is a rounded square, so that turning and throwing at the corner are realized, and the problem of incomplete turning and throwing is solved.

The invention relates to a contactor comprising an electric motor (2) comprising a stator (200) and a rotor (201) and a commutator-brush system (3), the commutator-brush system comprising: a commutator (300) assembled on the rotor, the commutator comprising at least one electrically conductive portion (302) and at least one non-electrically conductive portion (303); and a pair of brushes formed of two brushes (304), wherein the brushes each have a contact surface configured to frictionally contact the commutator. The side surface of the commutator (300) comprises a conductive portion (302) and a non-conductive portion (303) of the commutator, wherein the commutator is free to rotate about an axis of rotation (X). The commutator-brush system (3) is configured to move between an electrically conductive position, in which the commutator electrically connects the pair of brushes, and an interrupted position, in which the commutator electrically isolates the pair of brushes (304), the commutator-brush system transitions from the electrically conductive position to the interrupted position by rotation of the commutator (300) under the action of the motor, and transitioning from the interruption position to the conductive position.

The utility model provides a micromotor, which comprises a shell, a group of carbon brushes, an armature, a commutator, a permanent magnet and an output shaft, one end of the commutator is electrically connected to the armature, and the other end of the commutator is fixedly connected to the output shaft; the two sides of the commutator are respectively and oppositely provided with a carbon brush. The armature is wrapped by the shell; a group of opposite permanent magnets are arranged on the inner wall of the shell; a preset distance is arranged between the opposite permanent magnets; the output shaft penetrates out of the shell and extends out by a preset distance. The service life is effectively prolonged, and the operation noise is reduced through the arrangement of the narrow groove, so that the service life of the micromotor is long.

The invention relates to a brush machine (10) for an electrical machine comprising a commutator (12) having an axis of rotation (C) and at least one brush (14) configured to be in contact with an external surface (S) of the commutator. The commutator (12) comprises several commutator blades (16) arranged around the periphery of the commutator. Each blade comprises a body (161) extending longitudinally along the axis of rotation and an external surface (163) forming a portion of the external surface of the commutator. According to the invention, each blade has at least one channel (166) formed inside the blade body and near its external surface (163) and configured to be partially filled with a liquid under vacuum. The brush machine includes at least one heat dissipation device (30) and connecting elements (40), each configured to connect each channel (166) of a blade to a cooling device. (See Figure 4 for abbreviations.)

The utility model discloses a low-consumption high-energy coreless motor, which relates to the technical field of motors and comprises a shell and an upper end cover clamped at the upper end of the shell. And a lower end cover is installed at the lower end of the shell in a clamped mode, a wiring piece is fixedly installed at the lower end of the lower end cover, a connecting plate is fixedly installed on the outer side of the rotating shaft through a commutator, and a cup-shaped coil located in the shell is fixedly installed on the outer side of the connecting plate. According to the low-consumption and high-energy coreless motor, high-temperature gas in the coreless motor can be quickly discharged, the temperature rising speed in the coreless motor is reduced, the ventilation effect of the coreless motor is ensured, and the effect of converting electric energy into kinetic energy in the coreless motor is improved; the heat dissipation hole ring and the heat dissipation hole plate can absorb heat in the shell, meanwhile, heat transfer between the heat dissipation hole ring and the heat dissipation hole plate and air is achieved, rapid cooling of the interior of the motor is achieved, and the low-consumption and high-energy effects of the motor are further guaranteed.

The utility model provides an output energy management circuit for a friction nano-generator. The output energy management circuit comprises a commutator circuit and an energy storage sub-circuit which are connected with the friction nano-generator. The output end of the commutator circuit comprises a first output end and a second output end; the energy storage sub-circuit comprises a first capacitor, a second capacitor, a first diode, an inductor, a selective switch and a breakdown device; two ends of the first capacitor are electrically connected with the first output end and the second output end respectively; the selective switch comprises a fixed end, a first connecting end and a second connecting end, the cathode of the first diode is electrically connected with the fixed end, and the anode of the first diode is electrically connected with the first connecting end through the first output end, the second capacitor and the inductor in sequence and is electrically connected with the second connecting end through the first output end, the first capacitor, the second output end and the breakdown device; different output modes are provided by switching the connection between the fixed end and the first connecting end and the connection between the fixed end and the second connecting end. By arranging the circuit, a continuous and stable power supply can be provided for the load.

The utility model discloses a mechanism for measuring multiple dimensions of a motor rotor, which comprises a first support assembly, a second support assembly fixed with the first support assembly, and a sliding fit seat fixed on the first support assembly, the supporting part is used for supporting the rotor and is matched with the sliding fit seat; the clamping assembly is used for clamping the rotor, and the clamping assembly is matched with the sliding fit seat; the positioning mirror is used for observing the positions of multiple sizes on the rotor, is fixed with the second supporting assembly and is positioned on one side of the sliding fit seat; when the width of the notch groove on the commutator is measured, the rotor is erected and is in plug-in fit with the supporting component; when the lengths of the commutator finish turning section and the notch groove are measured, the two ends of the rotor are clamped by the clamping assemblies. According to the utility model, the length and width of the finish turning section and the notch groove on the commutator can be detected.

The invention discloses a subreflector electric lifting assembly and an antenna, and belongs to the technical field of antennas. The auxiliary reflecting surface electric lifting assembly comprises a bottom plate, a driving motor, two reversing transfer cases, a plurality of right-angle commutators, three linear executing mechanisms and a connecting plate. A driving motor divides power into two paths through a first reversing transfer case, and one path drives a first linear execution mechanism through a first vertical right-angle reverser; and the other path sequentially passes through a first horizontal right-angle reverser and a second reversing transfer case for secondary distribution and steering, and finally drives a second linear actuating mechanism and a third linear actuating mechanism directly and respectively through a second horizontal right-angle reverser and a second vertical right-angle reverser. The three linear executing mechanisms stretch out and draw back synchronously to drive the connecting plate and the auxiliary reflecting surface to lift integrally and stably. The single driving motor is matched with the specific mechanical transmission chain, so that three-point rigid synchronous driving is realized, and the problems of inconvenience in manual lifting of the auxiliary reflecting surface of the vehicle-mounted antenna, poor synchronous precision of multiple motors and over-limit transportation are solved.

To provide a motor that enables fail-safe operation while suppressing increases in manufacturing costs. [Solution] The motor body comprises a rotor rotatable about a central axis and a stator having a plurality of coils and facing the rotor with a gap between them; a control unit having a drive circuit capable of driving the motor body; a plurality of commutator members, each electrically connected to at least one coil; a first brush member that rotates with the rotor and can contact the commutator members; and a second brush member that rotates with the rotor and can contact a commutator member different from the commutator member that the first brush member contacts. The control unit switches the drive method for driving the motor body between a first drive method, which drives the motor body by supplying current to the plurality of coils via the drive circuit, and a second drive method, which drives the motor body by supplying current to the plurality of coils via the first brush member, the second brush member, and the plurality of commutator members.

The invention relates to the field of electricity, in particular to an electrostatic technology. The electrostatic polarity commutator comprises a motor and an electric brush system; the electric brush system is provided with a commutator, at least one electric brush matched with the commutator, and a slip ring mechanism; the motor is in driving connection with the commutator, and the commutator comprises at least two mutually insulated commutator segments; the electric brush is provided with a wiring terminal used for being connected to an electrostatic electrode; the slip ring mechanism comprises at least two conductive rings which are insulated from each other, and the at least two conductive rings are respectively connected to the two commutator segments.

The invention discloses an alternating current and direct current voltage coordination matching control method of a modular commutation type converter. The method comprises the following steps: generating three-phase sine reference signals corresponding to single-phase converters based on electrical data of an MCC alternating current side; on the basis of a delay commutation trigger mechanism, a commutation delay angle is introduced to modulate a three-phase sine reference signal, so that each cascade module chain is controlled to perform voltage synthesis, and a direct-current side output voltage of the modular commutation type converter is obtained; real-time current data of the MCC direct current side are collected, and when it is judged that the direct current side output voltage or the real-time current data meet the voltage reduction triggering preset condition, a commutation delay angle in a delay commutation triggering mechanism is dynamically adjusted according to the direct current side output voltage and the real-time current data; and a target delay angle is obtained to repeat the modulation process of the three-phase sine reference signal until the voltage reduction trigger preset condition is not satisfied any more, so that continuous and stable operation of the AC side voltage during the abnormal drop period of the DC side voltage is ensured.

This disclosure provides a rotor positioning device, belonging to the field of motor manufacturing technology. The positioning device includes a drive component and a detection component. The output shaft of the drive component is connected to one end of the rotor to be tested. The detection component is located on one side of the drive component and on the outer periphery of the rotor core. The detection component is configured to detect the presence of teeth on the rotor core within its detection range. The positioning device provided by this disclosure can quickly locate the rotor's position, enabling rapid electrical connection between the commutator on the rotor and external testing equipment.

The invention discloses a permanent magnet module type cooling direct-current energy-saving motor, and relates to the technical field of electrical engineering, the permanent magnet module type cooling direct-current energy-saving motor comprises a motor shell, a rear end cover and a front end cover, the front end cover is rotatably connected with a common shaft, the outer wall of the common shaft is fixedly connected with a commutator and an armature module in sequence, and T-shaped seats are arranged on the inner wall of the motor shell in a circular array mode. A pair of electric brushes is attached to the outer wall of the commutator, and the motor shell is provided with a bidirectional cleaning assembly at one end of the commutator. The bidirectional cleaning assembly is arranged in the motor shell, on the premise that the motor and an electric brush are disassembled, a traction rope on the bidirectional cleaning assembly can be manually pulled, a cleaning ring cylinder can move along the outer wall of the commutator, synchronous adsorption and cleaning of electric brush powder on the outer wall of the commutator are achieved in cooperation with an inner suction hole, poor contact caused by dust accumulation is avoided, and the service life of the commutator is prolonged. Compared with a traditional mode of manually disassembling the electric brush and cleaning the commutator, maintenance steps and downtime are remarkably reduced, and the running stability and reliability of the motor are improved.

This utility model discloses a motor commutator, including a housing. A drive shaft is installed at the center of the top of the housing, and a drive gear is connected to the bottom of the drive shaft. Four commutation components are installed in a ring around the drive gear inside the housing. The advantages are: by installing four commutation components, each consisting of an electric actuator, connecting bearing, sliding sleeve, protruding edge, driven gear, and driven shaft, in a ring around the drive gear inside the housing, and by installing a guide assembly consisting of a guide slide and a guide groove between the sliding sleeve of each commutation component and the side wall of the housing, the motor commutator can be used to ensure the meshing of the driven gear and drive gear in the corresponding direction by controlling the extension and retraction of the electric actuators in each commutation component. This allows for the on-demand transmission of motor power in four mutually perpendicular directions in the horizontal plane, effectively improving the flexibility of the motor commutator.

According to the electronic switch used for controlling the slot control motor, one end of a box body is provided with a main power supply input end, the other end of the box body is provided with a main power supply output end, a U-phase power supply, a V-phase power supply and a W-phase power supply in the main power supply input end are respectively connected with a main loop, and meanwhile, safety devices are arranged on the U-phase power supply and the V-phase power supply; the main loop is provided with four alternating current reversing switches used for being connected with a slot control motor, the main loop is connected with a voltage detector and a current detector, the voltage detector and the current detector are respectively connected with a data processor, the data processor is connected with a controller, and the controller is connected with an optoelectronic isolator, a state indicating lamp, a thyristor and a control input end. The invention has the characteristics of long service life, large controllable power, small volume and no mechanical wear and arc corrosion risk.

Windscreen wiper motor (10), comprising a housing (11), wherein an armature shaft (18) with a commutator (30) is arranged in the housing (11), the commutator interacting with carbon elements (31) arranged in the area of ​​a carbon retaining plate (35), which are electrically connected via electrical connections (36), preferably in the form of carbon strands, to a power supply for the windscreen wiper motor (10) via an interference suppression device (40), wherein the interference suppression device (40) is arranged at least substantially in an interference suppression housing (65) which is connected to the carbon retaining plate (35), wherein the interference suppression device (40) is at least indirectly connected to at least one connector connection element (50) which can be connected to connector contacts on a connector area (27) of the housing (11) which serve for contacting vehicle-side mating connectors,and wherein the at least one connector element (50) is fixedly received in its end position in the interference suppression housing (65), characterized in that the at least one connector element (50) is guided in a mounting direction when inserted into the interference suppression housing (65) by guide elements (72, 73) and is fixed in the end position by a snap-fit ​​connection in the interference suppression housing (65), and that the guide elements (72, 73) have extensions projecting from a base (71) of the interference suppression housing (65) in the direction of the connector element (50), which project positively into the opening cross-section of the connector element (50).

A military vehicle and civil vehicle dual-purpose electromagnetic compatibility motor comprises a machine shell component, a rotor component, a reduction gearbox component, a gear component and a cover plate component, a main control circuit board is arranged in the machine shell component and at the position of a commutator of the rotor component, and a shielding cover is arranged on the cover plate component. An auxiliary filtering control circuit board is arranged on the cover plate component and in the shielding case, and the main control circuit board is electrically connected with the auxiliary filtering control circuit board. The main control circuit board and the auxiliary filtering control circuit board comprise a motor high-speed working circuit, a motor low-speed working circuit and a motor reset working circuit. According to the invention, civil frequency band conduction and radiation electromagnetic interference generated by the motor, part of military frequency band electromagnetic interference and the rest of military frequency band conduction electromagnetic interference can be filtered, and the rest of electromagnetic waves generated by the motor are prevented from external radiation interference through the metal shielding cover. Therefore, the working efficiency is improved, and the working stability is ensured.

A choke coil is mechanically fixed without using an adhesive, and a fixed state is maintained for a long period of time. A fixing structure of a choke coil electrically connected to a brush that is in sliding contact with a commutator and housing a ferrite core inside includes: a bottom surface portion where the choke coil is placed; a housing wall portion erected from the bottom surface portion and forming a first space that houses the choke coil with the bottom surface portion; an elastic portion that is formed by notching a part of the housing wall portion and capable of elastic deformation; and a pressing portion that presses the choke coil via the elastic portion by biasing the elastic portion to an inside of the first space, and fixes the choke coil between the pressing portion and the inner surface of the housing wall portion.

This electric motor comprises: a rotor having a rotary shaft that extends in the axial direction in which the axis stretches; a commutator attached to the rotary shaft; brushes that contact the commutator; brush springs that press the brushes against the commutator; and a cover plate that covers the brushes and the brush springs. The cover plate is provided with through-holes. The appearance of a brush viewed from the through holes when the brush is in a first orientation looks different from the appearance of the brush viewed from the through holes when the brush is in a second orientation that is on the side opposite from the first orientation in the axial direction.

The utility model relates to the technical field of toy cars, in particular to a drifting car which comprises a car body, driving wheels installed on the front side of the car body and driven wheels installed on the rear side of the car body, and the driving wheels comprise the first driving wheel and the second driving wheel which are arranged on the two sides of the car body respectively. The first driving wheel and the second driving wheel are each internally provided with a driving motor used for driving the first driving wheel and the second driving wheel to rotate, the driving motors are electrically connected with a power source in the vehicle body, and the vehicle body is provided with a steering wheel used for controlling the vehicle body to steer. The first driving wheel and the second driving wheel are electrically connected with reversers for controlling forward and reverse rotation respectively, and the steering wheel is in transmission connection with the reversers. The technical problem that in the prior art, the mass production cost of a drifting vehicle is too high is effectively solved.

The invention relates to a device and a method for predictive brush regulation in a separately excited electric machine. The separately excited electric machine (10) comprises a brush unit (20) with sub-brushes (21) which are movable by means of a regulating mechanism (22) driven by a regulating motor (23) either towards the commutator (13) to establish electrical contact between the sub-brushes (21) and the commutator (13) in a reversible manner or away from the commutator (13) to disconnect the electrical contact between the sub-brushes (21) and the commutator (13) in a reversible manner. The brush unit (20) is connected to a control unit which is designed to control the regulating motor (23) in such a way that only the minimum contact area between the entire sub-brush (10) and the commutator (13) required for reaching a predicted, i.e. future, electric machine (10) operating point is provided.

The utility model discloses a commutation starting testing device for a DC brush motor, which comprises a motor to be detected, a rotating device and a PWM modulation voltage control device, the motor to be detected comprises a positive terminal, a negative terminal and a rotating shaft, the rotating shaft is provided with a magnetic induction coil, and the motor to be detected is provided with a stator matched with the magnetic induction coil; a commutator is arranged at the position, located at the upper end of the magnetic induction coil, of the rotating shaft, the commutator is provided with an electric brush matched with the commutator, the two ends, provided with the electric brush, of the electric brush are connected with the positive terminal and the negative terminal respectively, the rotating device is connected with the rotating end of the rotating shaft, and the rotating device is used for driving the rotating shaft to rotate by a preset angle and clamping and fixing the rotating shaft. The PWM modulation voltage control device is respectively connected with the positive terminal and the negative terminal, and is used for controlling the output waveform and the preset amplitude of the modulation voltage which is output, obtaining the consumption value of the output current and generating a comparison waveform.

The utility model discloses a copper sleeve type brush motor, which relates to the field of motor design, and comprises a motor shell and a motor cover plate, a rotor is arranged in the motor shell in a running fit manner, the motor cover plate covers the rotor in the motor shell, two carbon brush structures are arranged in the motor cover plate, and the inner ends of the carbon brush structures abut against the rotor; the carbon brush structure comprises a carbon brush copper sleeve, a carbon brush main body and a torsion spring; the carbon brush copper sleeve is fixedly installed on the inner side of the motor cover plate, the carbon brush body is installed in the carbon brush copper sleeve in a sliding fit mode, one end of the torsion spring abuts against the inner side of the motor cover plate, and the other end of the torsion spring abuts against the outer end of the carbon brush body. A commutator is fixedly installed on the rotor, and the torsion spring drives the inner end of the carbon brush body to abut against the commutator of the rotor for electrical connection. Compared with the prior art, the utility model has the advantages that compared with the traditional mode that the carbon brush is driven to abut against the commutator by using an elastic sheet, the stability is higher, the brush motor can bear higher torsion, and the service life of the brush motor is ensured.

The application discloses a kind of 1 pair N piece short-circuit detection device and detection method of slot commutator, including bottom plate, one end of the upper side of bottom plate is equipped with horizontal slide rail, slider on horizontal slide rail is equipped with commutator positioning support, the other end of the upper side of bottom plate is provided with fixed support, fixed support upper portion is fixedly connected with the static probe disc extending to commutator positioning support direction, the axial end surface of static probe disc is evenly provided with a circle of detection probe around circumference, the outer side of static probe disc is coaxially provided with rotating electrode disc, the axial end surface of rotating electrode disc is provided with short-circuit copper ring in the position corresponding to detection probe, short-circuit copper ring is provided with notch and is provided with fire electrode at notch, fire electrode is electrically connected with the electrically conductive slip ring assembly of rotating electrode disc outer side sleeve setting electrically conductive connection.This application can solve the technical problems that existing detection method and device are difficult to carry out 1 pair N piece short-circuit detection to large size, large weight slot commutator.

The invention discloses an intelligent phase-change switch system based on a modular structure and multi-protocol self-adaption, which comprises an electric red-eng unit and a phase-change main body unit, the electric red-processing unit comprises a detection module for detecting parameters of each phase of power supply, a communication module for detecting a communication state through a heartbeat packet and a main control module for judging the performance of each phase of power supply through the parameters of each phase of power supply, and the detection module and the communication module are electrically connected with the main control module respectively; the commutation main body unit comprises a relay module, an IGBT function module and a driving circuit module used for driving the IGBT function module, the driving circuit module is electrically connected with the communication module, and the relay module and the driving circuit module are electrically connected with the IGBT function module; when the master control module detects that a certain phase of power supply fails, the communication module controls the commutation main body unit to change another phase or multi-phase power supply. Rapid commutation can be realized through the IGBT function module, various functions are realized through modularization, and the maintenance cost is low.

The utility model relates to the technical field of rotor testing machine provides a kind of rotor testing device and testing equipment, including substrate and at least one clamping device and at least one testing connecting device supported on substrate;At least one clamping device includes base, chuck for clamping the core of rotor and rotatably mounted on base and the rotating drive mechanism for making chuck rotate;At least one testing connecting device includes the testing connector for connecting electrical performance testing equipment, testing connector has the test cavity for the commutator of rotor to move in and move out, testing connector is equipped with the probe for being in contact with the side of commutator;Base is provided with position detection device, for detecting the rotating position of core.Compared with prior art, it can avoid damaging the core due to contact with the core, and ensure the test effect.

To provide a motor with a brush capable of achieving extended service life and high reliability.SOLUTION: A motor 1 with a brush includes a stator 20 generating a magnetic field, an armature 31 having multiple coils 31b and a rotary shaft 15, for rotating within the magnetic field, a commutator 32 having multiple commutator segments 72 electrically connected to the multiple coils 31b, for rotating integrally with the armature 31, and multiple brushes 52, 62 that contact the commutator segments 72 while being biased toward the commutator 32, for supplying power to the coils 31b via the commutator segments 72. The brushes 52, 62 have a contact portion 81 contacting the commutator segment 72, a non-contact portion 82 separated from the commutator segment 72, and a discharge protrusion 83 projecting from the non-contact portion 82 toward the commutator segment 72 to generate spark discharge with the commutator segment 72.SELECTED DRAWING: Figure 3

The utility model discloses an impact test device for a motor piezoresistor, which comprises a main power supply and a first branch power supply, the first branch power supply is variable voltage, and the first branch comprises a first direct current anode branch and a first direct current cathode branch. A capacitor module is connected in parallel between the first direct current anode branch and the first direct current cathode branch, a voltage display is connected in parallel between the first branch power supply and the capacitor module, and the voltage display is used for acquiring and recording reverse voltage value changes of a piezoresistor located on the converter. The time relay is used for controlling the time interval of switching-on and switching-off of the first branch power supply; the output end A of the first direct current anode branch is connected with the input end B of the first direct current cathode branch; the number of the output end A and the input end B is respectively one, and the output end A and the input end B are respectively and electrically connected with commutator segments of the converter. The time relay outputs voltages to the commutator segments according to different discharge gaps and different voltages, and then the internal resistance of the piezoresistor is obtained.

The application is suitable for the field of tank device, and provides a tank with ironing function, which comprises a bottom frame, a large wallboard tank is arranged at the top end of the bottom frame, a detachable front cover plate is arranged at the front end opening of the large wallboard tank, a detachable rear cover plate is arranged at the rear end opening of the large wallboard tank, an inlet chute is arranged at the bottom of the front cover plate, and an ironing mechanism is arranged on the ironing platform. When the tank is used, the base film material is input from the inlet chute, and the base film material is finally connected to the lower layer of the rotating roller after bypassing the rotating roller and the upper layer of the rotating roller. The servo motor drives the two ball screws through the two commutators, and the ball screw rotates to drive the screw rod moving seat, the high-temperature-resistant sliding block, the floating wallboard and the upper layer of the rotating roller to move up and down, so as to adjust the tension of the film material. The hot air in the electric heating box is uniformly blown to the return air uniform cover through the air supply uniform cover, and the function of heating and winding is realized.