CN116093692B - Electric slip ring and use method thereof - Google Patents
Electric slip ring and use method thereof Download PDFInfo
- Publication number
- CN116093692B CN116093692B CN202310323408.1A CN202310323408A CN116093692B CN 116093692 B CN116093692 B CN 116093692B CN 202310323408 A CN202310323408 A CN 202310323408A CN 116093692 B CN116093692 B CN 116093692B
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- head
- ring
- electric brush
- sheet
- blocking head
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an electric slip ring and a use method thereof, and relates to the technical field of sewing machines. The sewing machine is started to be electrified and stopped to be powered off, so that the control component is promoted to control the blocking head to be attached to and away from the positioning head, abrasion between the electric brush sheet and the conducting ring is effectively prevented from being increased by the compensation spring when each sewing is performed, and abrasion between the electric brush sheet and the conducting ring when each sewing is stopped is effectively compensated. And the blocking head adopts an inclined guide surface structure, the positioning head adopts an inclined surface structure, the blocking head and the positioning head can correspondingly misplace according to the distance change of the electric brush sheet pushed by the compensation spring, and the misplaced blocking head and the positioning head do not influence the cooperation of the inclined guide surface and the inclined surface, so that the pressure applied to the electric brush sheet by the compensation spring is accurately prevented after abrasion occurs, and the aggravated abrasion of the electric brush sheet and the conductive ring is avoided.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to an electric slip ring.
Background
The sewing machine walks a long road on the semiautomatic and automatic roads, and the development of the sewing machine is slower than other machines. With the increasing demand for fabric or leather products, the labor cost of the united states fabric or leather product industry is rising, and the demand for automated sewing machines is also increasing.
The automation of completely realizing the sewing of fabric or leather products faces a lot of difficulties (for example, the more the flexible fabric is overlapped, the more the difficulty of automatic adjustment of equipment is, therefore, the development of the current sewing machine is developed towards the electronic intellectualization direction, and the operation difficulty can be greatly reduced through the electronic intellectualized sewing machine.
The electronic intelligent sewing machine comprises a sewing machine (reference model RPAS-LM-R-1) capable of rotating without limitation by 360 degrees, and the quality is improved by simulating manual sewing by rotating without limitation by 360 degrees. In order to realize power supply and data signal transmission to electronic components in a sewing machine head, an electric slip ring is usually additionally arranged between the sewing machine head and a driving motor, wherein, referring to fig. 1, the electric slip ring comprises a stator 1 and a rotor 2 which can rotate relatively, the stator 1 is fixed with a frame of the sewing machine, the rotor 2 is fixedly connected with a driving end of the driving motor and the sewing machine head, a conductive ring 3 is arranged on the outer annular wall of the rotor 2, at least two movable plates 4 are movably connected on the stator 1, brushes 5 contacted with the conductive ring 3 are arranged at the side ends of the movable plates 4, a pre-stretching spring unit 6 is arranged between the movable plates 4, the conductive ring 3 is connected with the electronic components in the sewing machine head through wires, and the brushes 5 are connected with a power supply in the sewing machine frame through wires. When the driving motor drives the rotor 2 to rotate to drive the sewing machine head to sew, the power supply is in contact with the conducting ring 3 through the electric brush 5 to conduct electricity to the electronic components in the sewing machine head, so that the power supply supplies power to the electronic components in the sewing machine head normally in the 360-degree unlimited rotation process of the sewing machine head.
The working mode of the electric slip ring inevitably leads the electric brush 5 and the conducting ring 3 to generate friction and abrasion, and the gap generated by the abrasion is automatically compensated by the spring unit 6, thereby ensuring the stability of power supply, but generating another problem: the pressure applied by the spring unit 6 to the brush 5 can aggravate the abrasion of the brush 5 and the conducting ring 3, and influence the service life, and the brush 5 and the conducting ring 3 are made of noble metal, so that the cost is high, the improvement is needed, and the abrasion of the brush 5 and the conducting ring 3 is reduced under the condition of ensuring stable power supply.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the abrasion of an electric brush and a conducting ring is aggravated and the service life is influenced due to the pressure exerted on the electric brush by a spring unit in an electric slip ring.
The second object of the present invention is to provide a method for using an electrical slip ring.
In order to achieve one of the above purposes, the present invention adopts the following technical scheme: an electric slip ring comprises a rotor unit and a stator unit sleeved on the outer wall of the rotor unit, wherein the rotor unit is rotationally connected with the stator unit, a conductive ring is fixed on the outer wall of the rotor unit, and an electric brush assembly is embedded in a notch of the inner wall of the stator unit.
The electric brush assembly is provided with a sliding plug and an electric brush sheet, the sliding plug is in sliding connection with the inner wall notch, the electric brush sheet is fixed at one end of the sliding plug, the electric brush sheet is in contact with the conducting ring, and a compensation spring is arranged between the other end of the sliding plug and the inner wall notch.
The sliding plug is connected with the sheath, a blocking head is fixed at the side end of the sheath, and the blocking head is provided with an inclined plane.
The inner wall notch side is equipped with the spout, sliding connection has the head that hinders in the spout, hinder the head be equipped with inclined plane complex inclined guide face.
The sliding groove is also internally provided with a position control assembly, the position control assembly is connected with the position blocking head, and the position blocking head is controlled to stretch and retract through the position control assembly.
In the above technical scheme, when the embodiment of the invention is used, the electric brush sheet and the control bit assembly in the electric slip ring stator unit are connected with the power supply on the sewing machine frame and control electrical equipment through the power supply wire, and the conductive ring in the rotor unit is connected with the electronic component in the sewing machine head through the conductive wire.
When the sewing machine is started, the power supply conducts electricity to the electric brush sheet and the position control assembly through the power line, the position control assembly electrically pushes the position blocking head to be attached to the position blocking head at the side end of the electric brush assembly, at the moment, the inclined guide surface of the position blocking head is tightly attached to the inclined surface of the position blocking head to form an inclined line, and the position blocking head is blocked from moving through the position blocking head.
After the positioning head is prevented from moving, the compensation spring cannot apply pressure to the conducting ring through the electric brush sheet, and friction force between the electric brush sheet and the conducting ring is reduced.
The electric brush piece is powered on, and simultaneously, the electric conduction is conducted to the conducting ring of the rotor unit, and then the conducting ring conducts the electric conduction to the electronic component in the sewing mechanism, so that the electronic component in the sewing machine head is powered on during sewing.
When the sewing machine is stopped without sewing, the control component is powered off to drive the blocking head to return, the compensation spring is not limited at the moment, and pressure is applied to the electric brush sheet, so that the electric brush sheet is tightly attached to the conductive ring.
The beneficial effects of the invention are as follows:
according to the invention, when the sewing machine is started, the position control assembly is electrified to push the position blocking head to be attached to the positioning head at the side of the electric brush assembly, so that the friction force between the electric brush sheet and the conductive ring can not be increased when the compensation spring of the electric brush assembly is in sewing work; when the sewing machine stops, the blocking head is pulled back to the original position in a power-off stop position control assembly mode, so that the compensation spring applies pressure to the electric brush sheet when the sewing stops, and the electric brush sheet maintains close fit to the conductive ring. By the mode, abrasion between the brush sheet and the conductive ring is increased by the compensation spring in each sewing operation (the brush sheet and the conductive ring relatively rotate), and abrasion between the brush sheet and the conductive ring when sewing is stopped is effectively compensated.
It should be noted that the working time of the sewing machine is generally not longer than 18 hours, and the abrasion of the brush sheet and the conductive ring cannot influence the stability of power supply in 18 hours. Therefore, the pressure of the compensation spring is blocked each time the sewing machine is started, and the pressure of the compensation spring is released each time the sewing machine is stopped, so that the abrasion degree between the brush sheet and the conductive ring is reduced compared with the prior art.
And, because the blocking head adopts the inclined guide surface structure, the positioning head adopts the inclined surface structure, as long as the inclined guide surface and the inclined surface have the same flush area, no matter how much the compensation spring pushes the electric brush to displace (the positioning head is misplaced relative to the blocking head), the inclined guide surface of the blocking head can be attached to the inclined surface of the positioning head to block the movement of the positioning head. This means that when the brush piece and conducting ring take place wearing and tearing, the brush piece is by the change of the distance that takes place behind the compensation spring promotion, and the locating head can both form the cooperation with the locating head, is favorable to after wearing and tearing take place, accurate prevention compensation spring to the pressure that the brush piece applyed, avoids the aggravation wearing and tearing of brush piece and conducting ring.
Further, in an embodiment of the present invention, the sheath surrounds the compensation spring, and the sheath is fixedly connected with the blocking head in a detachable manner.
Further, in the embodiment of the invention, a rotor insulating sheet is arranged between the conductive ring and the rotor unit, and a brush insulating sheet is arranged between the brush sheet and the sliding plug.
Further, in an embodiment of the present invention, the sliding plug and the sheath are in a separate structure or an integral structure.
Further, in an embodiment of the present invention, the control component includes a metal head and an electromagnetic sheet, a return spring is disposed between the metal head and the chute, and a gap is formed between the metal head and the electromagnetic sheet.
The specific working modes of power-on and power-off of the control component are as follows: after the control component is electrified, namely the electromagnetic sheet is electrified to generate magnetism, the metal head is attracted, and the blocking head is pushed to move through the metal head. After the control component is powered off, the electromagnetic segment is electrically out of magnetism, and the metal head is reset under the action of the reset spring to drive the blocking head to return.
Further, in the embodiment of the invention, a wire inlet communicated with the inner wall notch is arranged at the side of the stator unit, and a power wire of the sewing machine frame is connected with the electric brush sheet and the control component through the wire inlet.
The bottom of the rotor unit is provided with an outlet, a conductive wire of the sewing machine head is positioned in the outlet, and the conductive wire is connected with the conductive ring through a connecting port.
Further, in the embodiment of the invention, the conductive ring is provided with a circle of conical ring groove, one end of the brush piece, which is contacted with the conductive ring, is conical, and one conical end of the brush piece is embedded into the conical ring groove of the conductive ring.
Further, in an embodiment of the present invention, a bearing is provided between the stator unit and the rotor unit, and the stator unit is rotatably connected to the rotor unit through the bearing.
In order to achieve the second purpose, the invention adopts the following technical scheme: a method of using an electrical slip ring, applied to an electrical slip ring as described in one of the above objects, the method of using comprising the steps of:
the electric brush sheet and the control assembly in the electric slip ring stator unit are connected with a power supply on the sewing machine frame and control electric equipment through a power wire, and the conducting ring in the rotor unit is connected with an electronic component in the sewing machine head through a conducting wire.
When the sewing machine is started, the power supply conducts electricity to the electric brush sheet and the position control assembly through the power line, the position control assembly electrically pushes the position blocking head to be attached to the position blocking head at the side end of the electric brush assembly, at the moment, the inclined guide surface of the position blocking head is tightly attached to the inclined surface of the position blocking head to form an inclined line, and the position blocking head is blocked from moving through the position blocking head.
After the positioning head is prevented from moving, the compensation spring cannot apply pressure to the conducting ring through the electric brush sheet, and friction force between the electric brush sheet and the conducting ring is reduced.
The electric brush piece is powered on, and simultaneously, the electric conduction is conducted to the conducting ring of the rotor unit, and then the conducting ring conducts the electric conduction to the electronic component in the sewing mechanism, so that the electronic component in the sewing machine head is powered on during sewing.
When the sewing machine is stopped without sewing, the control component is powered off to drive the blocking head to return, the compensation spring is not limited at the moment, and pressure is applied to the electric brush sheet, so that the electric brush sheet is tightly attached to the conductive ring.
Further, in the embodiment of the present invention, after the control component is powered, that is, the electromagnetic sheet is powered to generate magnetism, the metal head is attracted, and the blocking head is pushed to move by the metal head. After the control component is powered off, the electromagnetic segment is electrically out of magnetism, and the metal head is reset under the action of the reset spring to drive the blocking head to return.
Drawings
Fig. 1 is a schematic view of an electrical slip ring in the prior art.
Fig. 2 is a schematic structural diagram of an electrical slip ring according to an embodiment of the present invention.
Fig. 3 is a schematic view of a partial structure of an electrical slip ring according to an embodiment of the present invention.
Fig. 4 is a schematic top view of an electrical slip ring according to an embodiment of the present invention.
Fig. 5 is a partial enlarged view of a of fig. 4.
1. The motor comprises a stator, 2, a rotor, 3, a conducting ring, 4, a movable plate, 5, an electric brush, 6 and a spring unit;
10. the rotor unit 11, the conductive ring 12, the rotor insulating sheet 13, the wire outlet 14 and the communication port;
20. the stator unit 21, the wire inlet 22 and the bearing;
30. the electric brush assembly, 31, the sliding plug, 32, the electric brush sheet, 33, the electric brush insulating sheet, 34, the compensating spring, 35, the sheath, 36, the positioning head, 37 and the blocking head;
40. the device comprises a position control assembly 41, a metal head 42, a return spring 43 and an electromagnetic sheet.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. However, it is apparent that. It will be apparent to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, methods of use and structures of well-known electrical slip rings have not been described in detail to avoid unnecessarily obscuring such embodiments. In addition, all embodiments may be used in combination with each other.
Example 1
The drawings of the specification are taken as the content of the specification, and the structural shapes, connection relationships, coordination relationships and positional relationships which can be obtained unambiguously in the drawings of the specification are understood as the content of the specification.
An electric slip ring, as shown in fig. 2, comprises a rotor unit 10 and a stator unit 20 sleeved on the outer wall of the rotor unit 10, wherein the rotor unit 10 is rotatably connected with the stator unit 20, the outer wall of the rotor unit 10 is fixed with a conductive ring 11, and a brush assembly 30 is embedded in a notch of the inner wall of the stator unit 20.
As shown in fig. 3, the brush assembly 30 has a sliding plug 31 and a brush piece 32, the sliding plug 31 is slidably connected with the inner wall recess, the brush piece 32 is fixed at one end of the sliding plug 31, the brush piece 32 contacts with the conductive ring 11, and a compensation spring 34 is arranged between the other end of the sliding plug 31 and the inner wall recess.
As shown in fig. 4 and 5, the slide plug 31 is connected to the sheath 35, a blocking head 37 is fixed to the side end of the sheath 35, and the blocking head 37 is provided with an inclined surface.
As shown in fig. 4 and 5, a chute is provided on the recess side of the inner wall, a blocking head 37 is slidably connected in the chute, and the blocking head 37 is provided with a sloping surface matching with the sloping surface.
The slide groove is also provided with a control component 40, the control component 40 is connected with the blocking head 37, and the blocking head 37 is controlled to stretch and retract through the control component 40.
Working principle: the brush sheet 32 and the position control assembly 40 in the electric slip ring stator unit 20 are connected with a power supply and control electric equipment on a sewing machine frame through power wires, and the conductive ring 11 in the rotor unit 10 is connected with electronic components in a sewing machine head through conductive wires.
When the sewing machine is started, the power supply conducts electricity to the electric brush sheet 32 and the control position component 40 through the power wire, the control position component 40 electrically pushes the blocking head 37 to be attached to the positioning head 36 at the side end of the electric brush component 30, at the moment, the inclined guide surface of the blocking head 37 is tightly attached to the inclined surface of the positioning head 36 to form an inclined line, and the blocking head 37 blocks the movement of the positioning head 36.
After the positioning head 36 is prevented from moving, the compensation spring 34 cannot apply pressure to the conductive ring 11 through the brush piece 32, so as to reduce friction between the brush piece 32 and the conductive ring 11.
The brush piece 32 is powered on and simultaneously conducts electricity to the conducting ring 11 of the rotor unit 10, and then the conducting ring 11 conducts electricity to electronic components in the sewing mechanism, so that power is supplied to the electronic components in the sewing machine head during sewing.
When the sewing machine is stopped without sewing, the position control assembly 40 is powered off to drive the position blocking head 37 to return, the compensation spring 34 is not limited at this time, and pressure is applied to the electric brush piece 32, so that the electric brush piece 32 is tightly attached to the conducting ring 11.
The invention has the advantages that: in the invention, when the sewing machine is started, the blocking head 37 is pushed to be attached to the positioning head 36 at the side of the brush assembly 30 in a mode of electrifying the starting control assembly 40, so that the friction force between the brush sheet 32 and the conducting ring 11 can not be increased when the compensation spring 34 of the brush assembly 30 is in sewing work; while the sewing machine is stopped, the blocking head 37 is pulled back to the original position by the power-off stop control assembly 40, so that the compensation spring 34 applies pressure to the brush piece 32 when the sewing is stopped, and the brush piece 32 is tightly attached to the conductive ring 11. In this way, not only is the wear between the brush piece 32 and the conductive ring 11 increased by the compensation spring 34 effectively avoided in each sewing operation (the brush piece 32 and the conductive ring 11 relatively rotate), but also the wear between the brush piece 32 and the conductive ring 11 is effectively compensated when each sewing is stopped.
It should be noted that the duration of each operation of the sewing machine is generally not more than 18 hours, and the duration of 18 hours is unlikely to cause abrasion of the brush piece 32 and the conductive ring 11 to affect the stability of power supply. Therefore, it is advantageous to reduce the degree of wear between the brush piece 32 and the conductive ring 11 compared to the prior art to block the pressure of the compensation spring 34 each time the sewing machine is started and to release the pressure of the compensation spring 34 each time the sewing machine is stopped.
Further, since the stopper 37 is constructed by the inclined surface, and the positioning head 36 is constructed by the inclined surface, the inclined surface of the stopper 37 can be bonded to the inclined surface of the positioning head 36 to block the movement of the positioning head 36 regardless of the displacement of the brush piece 32 pushed by the compensation spring 34 (displacement of the positioning head 36 relative to the stopper 37) as long as the inclined surface and the inclined surface have the same area. This means that when the brush piece 32 and the conductive ring 11 wear, the distance between the brush piece 32 and the conductive ring 11 changes after the brush piece 32 is pushed by the compensation spring 34, and the positioning head 36 can be matched with the positioning head 36, which is beneficial to precisely preventing the compensation spring 34 from exerting pressure on the brush piece 32 after the wear occurs, and avoiding the aggravated wear of the brush piece 32 and the conductive ring 11
As shown in fig. 3 or 5, the sheath 35 surrounds the compensation spring 34, and the sheath 35 is fixedly connected with the blocking head 37 in a detachable manner.
As shown in fig. 3, a rotor insulating sheet 12 is provided between the conductive ring 11 and the rotor unit 10, and a brush insulating sheet 33 is provided between the brush sheet 32 and the slide plug 31.
The sliding plug 31 and the sheath 35 are of a separate structure or an integral structure.
As shown in fig. 5, the position control assembly 40 includes a metal head 41 and an electromagnetic plate 43, a return spring 42 is disposed between the metal head 41 and the chute, and a gap is formed between the metal head 41 and the electromagnetic plate 43.
The specific working modes of the position control assembly 40 for power on and power off are as follows: after the position control assembly 40 is electrified, that is, the electromagnetic sheet 43 is electrified to generate magnetism, the metal head 41 is attracted, and the position blocking head 37 is pushed to move through the metal head 41. After the position control assembly 40 is powered off, that is, the electromagnetic sheet 43 is powered off and loses magnetism, the metal head 41 is reset under the action of the reset spring 42, and the position blocking head 37 is driven to return.
As shown in fig. 2, the stator unit 20 is provided with a wire inlet 21 communicated with the notch of the inner wall, and a power wire of the sewing machine frame is connected with the electric brush sheet 32 and the position control assembly 40 through the wire inlet 21.
The bottom of the rotor unit 10 is provided with an outlet 13, and a conductive wire of the sewing machine head is positioned in the outlet 13 and is connected with the conductive ring 11 through a connecting port.
Specifically, the sewing machine frame and the sewing machine head are part of the sewing machine in the prior art, and the sewing machine frame is provided with a power supply and an electric control cabinet, and electric equipment such as a controller and the like is arranged in the electric control cabinet. The sewing machine head has electronic components such as a motor and a sensor. Since the sewing machine frame and the sewing machine head are structures disclosed in the prior art, the present invention does not improve this aspect, and thus will not be described in detail.
It should be noted that more than one power line and conductive line may be two, three, four, five, etc. Each of the power lines and the conductive lines may be used to transmit electrical or data signals, without limitation.
As shown in fig. 2 and 3, the conductive ring 11 is provided with a tapered ring groove, one end of the brush piece 32 contacting the conductive ring 11 is tapered, and the tapered end of the brush piece 32 is embedded in the tapered ring groove of the conductive ring 11.
As shown in fig. 2, a bearing 22 is provided between the stator unit 20 and the rotor unit 10, and the stator unit 20 is rotatably connected to the rotor unit 10 through the bearing 22.
Example 2
The application method of the electric slip ring is applied to the electric slip ring in the first embodiment, and comprises the following steps:
the brush sheet 32 and the position control assembly 40 in the electric slip ring stator unit 20 are connected with a power supply and control electric equipment on a sewing machine frame through power wires, and the conductive ring 11 in the rotor unit 10 is connected with electronic components in a sewing machine head through conductive wires.
When the sewing machine is started, the power supply conducts electricity to the electric brush sheet 32 and the control position component 40 through the power wire, the control position component 40 electrically pushes the blocking head 37 to be attached to the positioning head 36 at the side end of the electric brush component 30, at the moment, the inclined guide surface of the blocking head 37 is tightly attached to the inclined surface of the positioning head 36 to form an inclined line, and the blocking head 37 blocks the movement of the positioning head 36.
After the positioning head 36 is prevented from moving, the compensation spring 34 cannot apply pressure to the conductive ring 11 through the brush piece 32, so as to reduce friction between the brush piece 32 and the conductive ring 11.
The brush piece 32 is powered on and simultaneously conducts electricity to the conducting ring 11 of the rotor unit 10, and then the conducting ring 11 conducts electricity to electronic components in the sewing mechanism, so that power is supplied to the electronic components in the sewing machine head during sewing.
When the sewing machine is stopped without sewing, the position control assembly 40 is powered off to drive the position blocking head 37 to return, the compensation spring 34 is not limited at this time, and pressure is applied to the electric brush piece 32, so that the electric brush piece 32 is tightly attached to the conducting ring 11.
The invention promotes the position control assembly 40 to control the joint and the distance between the position blocking head 37 and the position fixing head 36 in a mode of starting and stopping power-off of the sewing machine, thereby not only effectively avoiding the abrasion between the brush sheet 32 and the conducting ring 11 increased by the compensation spring 34 during each sewing, but also effectively compensating the abrasion between the brush sheet 32 and the conducting ring 11 during each stopping of sewing. And, hinder the position head 37 and adopt the structure of oblique guide face, the locating head 36 adopts the inclined plane structure, hinder position head 37 and locating head 36 and can carry out corresponding dislocation according to compensating spring 34 promotes the distance variation of brush piece 32, and the dislocation hinder position head 37 and locating head 36 do not influence oblique guide face and inclined plane cooperation, are favorable to after wearing and tearing take place, accurate prevention compensating spring 34 is to the pressure that brush piece 32 applyed, avoid the aggravated wearing and tearing of brush piece 32 and conducting ring 11.
In the above steps, after the position control assembly 40 is powered on, that is, the electromagnetic sheet 43 is powered on to generate magnetism, the metal head 41 is attracted, and the position blocking head 37 is pushed to move by the metal head 41. After the position control assembly 40 is powered off, that is, the electromagnetic sheet 43 is powered off and loses magnetism, the metal head 41 is reset under the action of the reset spring 42, and the position blocking head 37 is driven to return.
While the foregoing describes the illustrative embodiments of the present invention so that those skilled in the art may understand the present invention, the present invention is not limited to the specific embodiments, and all inventive innovations utilizing the inventive concepts are herein within the scope of the present invention as defined and defined by the appended claims, as long as the various changes are within the spirit and scope of the present invention.
Claims (8)
1. An electric slip ring comprises a rotor unit and a stator unit sleeved on the outer wall of the rotor unit, wherein the rotor unit is rotationally connected with the stator unit, and a conductive ring is fixed on the outer wall of the rotor unit;
the electric brush assembly is provided with a sliding plug and an electric brush sheet, the sliding plug is in sliding connection with the inner wall notch, the electric brush sheet is fixed at one end of the sliding plug, the electric brush sheet is in contact with the conducting ring, and a compensation spring is arranged between the other end of the sliding plug and the inner wall notch;
the sliding plug is connected with the sheath, a blocking head is fixed at the side end of the sheath, and the blocking head is provided with an inclined plane;
the inner wall notch side is provided with a chute, a blocking head is connected in the chute in a sliding way, and the blocking head is provided with an inclined guide surface matched with the inclined surface;
the sliding groove is also internally provided with a position control assembly which is connected with the position blocking head and controls the position blocking head to stretch and retract;
the control assembly comprises a metal head and an electromagnetic sheet, a reset spring is arranged between the metal head and the sliding groove, and a gap is reserved between the metal head and the electromagnetic sheet;
a wire inlet communicated with the inner wall notch is arranged at the side of the stator unit, and a power wire of the sewing machine frame is connected with the electric brush sheet and the position control assembly through the wire inlet;
the bottom of the rotor unit is provided with an outlet, a conductive wire of the sewing machine head is positioned in the outlet, and the conductive wire is connected with the conductive ring through a connecting port.
2. The electrical slip ring of claim 1, wherein the sheath surrounds the compensation spring, the sheath being fixedly connected to the choke head in a detachable manner.
3. The electrical slip ring of claim 1, wherein a rotor insulating sheet is disposed between the conductive ring and the rotor unit, and a brush insulating sheet is disposed between the brush sheet and the sliding plug.
4. The electrical slip ring of claim 1, wherein the sliding plug and the sheath are of a separate or integral construction.
5. The electrical slip ring of claim 1, wherein the conductive ring defines a tapered annular groove, wherein the end of the brush piece in contact with the conductive ring is tapered, and wherein the tapered end of the brush piece is embedded in the tapered annular groove of the conductive ring.
6. An electrical slip ring as claimed in claim 1, wherein a bearing is provided between the stator unit and the rotor unit, the stator unit being rotatably connected to the rotor unit by the bearing.
7. A method of using an electrical slip ring as claimed in any one of claims 1 to 6, comprising the steps of:
the electric brush sheet and the control assembly in the electric slip ring stator unit are connected with a power supply and control electrical equipment on the sewing machine frame through a power wire, and the conductive ring in the rotor unit is connected with an electronic component in the sewing machine head through a conductive wire;
when the sewing machine is started, the power supply conducts electricity to the electric brush sheet and the position control assembly through the power line, the position control assembly electrically pushes the position blocking head to be attached to the position blocking head at the side end of the electric brush assembly, at the moment, the inclined guide surface of the position blocking head is tightly attached to the inclined surface of the position blocking head to form an inclined line, and the position blocking head is blocked from moving through the position blocking head;
after the positioning head is prevented from moving, the compensation spring cannot apply pressure to the conducting ring through the electric brush sheet, so that the friction force between the electric brush sheet and the conducting ring is reduced;
when the electric brush piece is powered on, the electric conduction is conducted to the conducting ring of the rotor unit, and then the conducting ring conducts the electric conduction to the electronic component in the sewing mechanism, so that the electronic component in the sewing machine head is powered on during sewing;
when the sewing machine is stopped without sewing, the control component is powered off to drive the blocking head to return, the compensation spring is not limited at the moment, and pressure is applied to the electric brush sheet, so that the electric brush sheet is tightly attached to the conductive ring.
8. The method of claim 7, wherein, in the step, after the control assembly is powered, the electromagnetic sheet is powered to generate magnetism to attract the metal head, and the blocking head is pushed to move by the metal head;
after the control component is powered off, the electromagnetic segment is electrically out of magnetism, and the metal head is reset under the action of the reset spring to drive the blocking head to return.
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| CN218549028U (en) * | 2022-02-17 | 2023-02-28 | 苏州爵立机械设备有限公司 | High-performance conducting ring |
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| CN218549028U (en) * | 2022-02-17 | 2023-02-28 | 苏州爵立机械设备有限公司 | High-performance conducting ring |
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