Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
  • H02K7/08—Structural association with bearings
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
  • H02K11/21—Devices for sensing speed or position, or actuated thereby
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K26/00—Machines adapted to function as torque motors, i.e. to exert a torque when stalled

Definitions

• Built-in motor in particular built-in torque motor
• the invention relates to a built-in motor, in particular a built-in torque motor without own storage.
• Built-in motors are motors that are supplied as built-in components. For a complete drive unit additional Liehe components, such as a bearing and a Drehge ⁇ ber necessary. In particular, built-in motors have no own storage and are undulating, since the moving part, ie the rotor, the built-in motor is provided for flanging to a shaft.
• Torque motors are high-voltage permanent magnet three-phase synchronous motors.
• the torque is usually achieved by a fixed stator, which transmits the torque directly to the rotor via the air gap.
• This drive concept eliminates mechanical transmission elements, such as a gearbox and thus also the inaccuracies caused by mechanics.
• the torque motor offers almost wear-free and maintenance-free operation.
• Torque motors are particularly suitable for machine tools with rotary tables or swivel axes, for example high-speed cutting machining centers or milling with swivel heads in large machining centers.
• they can be used as actuators for fast high-current axes at lathes, for dynamic diarrheama ⁇ gazine of machining centers, robotics, and plastic Spritzmasehinen.
• direct drives in the form of torque motors occurs through the addition necessary integration kinema ⁇ genetic sensors for the regulation to assignment problems in construction and assembly.
• it can be measured in systems with absolute angle ⁇ information for commutation in addition to the selection of the wrong position sensor to a faulty placement during assembly come. This leads to delays in commissioning, errors in operation resulting in insufficient engine performance or even damage.
• Another problem can arise from lack of adjustment or misalignment of the sensors.
• the object of the present invention is to provide a built-in motor, in particular a built-in torque motor, having integrated sensors and / or sensors for detecting kinematic variables.
• the built-in torque motor has a rotor, a stator and a transmitter and / or a positioning device for positioning at least one transmitter.
• the stator has a mounting flange and the positioning device is arranged on the mounting flange. Since it is a built-in motor, which usually has a mounting flange for flanging the engine to a machine, such as a printing or machine tool, on ⁇ , it makes sense to integrate the positioning in the mounting flange. Through the integration of the bers in the mounting flange of the stator or in the stator, the encoder is at the same time, for example, protected against dirt or destruction during installation of the built-in motor.
• the positioning device can also be arranged on the stator, in the event that the mounting flange is arranged on the machine. Stator and mounting flange may also be integrally formed.
• a measuring track is arranged on the rotor or on a rotor flange.
• Rotor and rotor flange may also be integrally formed.
• the measuring track, the Messflä ⁇ che of the measurement object is that samples of donors.
• the Anord ⁇ voltage of the measuring track is carried out so that the exact axial position, roundness and centering is ensured in accordance with the vertician- th encoder.
• the mounting flange of the stator and the rotor flange, or alternatively, corresponding intermediate flanges are formed so out ⁇ that they have centering collars, so that the stator and rotor on the machine side to be provided, machine bearing near centering collars suitable for the Zentrierbünden of the mounting flange of the stator and the rotor flange placed and ver ⁇ can be screwed.
• the concentricity of the machine bearing can be mapped directly to the running accuracy of the encoder.
• the centering collars on the motor-side flanges and on the machine side are to be designed with sufficient accuracy of fit for the concentricity required by the encoder.
• an absolute material measure it is adjusted in the required accuracy to the Mag ⁇ netpositionen of the rotor, for example, to ensure the mutation of the engine.
• the positioning device as a recess, in particular for at least partially receiving the encoder, educated.
• a recess in the form of one or more receiving shafts are provided in the mounting flange of the stator or in the stator, which serve the positionally accurate fixation of one or more encoders used.
• the encoder or a corresponding encoder holder is inserted into the receiving ⁇ slots radially from the outside and thus allows a radial guidance to the motor axis and thus provides a free ⁇ degree of freedom for setting a required distance between the encoder and measuring track.
• the encoders are defined exactly aligned with the motor winding, so that a correct commu ⁇ tion of the motor is ensured.
• the Positioniervor ⁇ direction for the encoder may be formed, for example, as a screw or tongue and groove connection.
• the positioning device and / or the encoder on a stop for adjusting the distance between the encoder and the measuring track.
• a determined in the engine production on an "ideal wave" optimum adjustment of the distance of the predefined by this stop on the mounting flange of the stator or the stator.
• the encoder or the Ge ⁇ is berhalterung simply by releasing the operating mechanism and the spring force moved away from the rotor radially, loading ⁇ concernedungsmechanismus is designed so that this can be carried out before the engine disassembly must, thus preventing that the switch will be damaged during disassembly.
• Kunststoffflä ⁇ can chen with emergency running parallel may be provided to timer and measuring track which of the normal use before the actual measurement surfaces bers to contact.
• a distance sensor for adjusting the encoder is provided.
• the distance sensor is used in addition to the adjustment of the encoder, especially in the case that the adjustment with ⁇ means of the stop described above is not sufficient.
• the distance sensor measures the distance or the air gap between encoder and measuring track, whereby the signal of the distance sensor is displayed on a display for fine adjustment. If the distance is not correct, then this can provide, for example, by a mechanism for shifting of the stop turned ⁇ .
• the encoder is a position sensor.
• further encoders or sensors such as, for example, acceleration sensors, speed sensors or temperature sensors, wherein a plurality of sensors can be arranged in one or more positioning devices.
• the built-in motor can have one or more positioning device.
• the stator has an integrated cooling.
• the transmitter or sensors are also cooled.
• Sensor or sensors are used in particular in measuring principles with power loss or rotor losses of the motor of the temperature of the measuring elements.
• connection technology of the motor and all ⁇ cher sensors for operating the engine wherein temperature sensors may be present, integrated into the positioning device and thus in the built-in motor, wherein a corresponding ing sensor and data interface for digital transmis ⁇ tion of the encoder or sensor signals and Motortyperkennung (electronic nameplate) is formed.
• the built-in motor according to the invention provides a solution for a ⁇ simple and secure installation and adjustment of built-in motor and encoder or sensor components by a minimized number of mechanical interfaces.
• the correct adjustment of the encoder or sensors is already set before installation of the engine and can be done in the assembly or service case by simple Bedie ⁇ tion.
• the arrangement of the encoder or sensors on the built-in motor later possible assembly errors are avoided.
• the built-in motors can be checked before assembly separately complete with encoder or sensors for functionality.
• FIG. 1 shows a perspective view of a built-in motor according to the invention
• FIG. 2 shows the built-in motor according to the invention of Figure 1 in a first perspective partial view.
• FIG. 3 shows the built-in motor according to the invention of Figure 1 in a second perspective partial view.
• 4 shows the built-in motor according to the invention of Figure 1 in a third perspective partial view.
• FIG 5 shows the built-in motor according to the invention of Figure 1 in a first partial side view.
• 6 shows the built-in motor according to the invention of FIG in a second partial side view.
• the built-in motor 1 shows a perspective view of the inventive built-in motor 1 and parts of a machine 11, for example ⁇ a printing press, from the front.
• the built-in motor 1 is already partially flanged to the machine 11.
• the a ⁇ baumotor 1, which is in particular designed as a built-in torque motor, has a rotor 2, a stator 3 and a first, not shown, donors 6, which is located in the encoder holder 6a on.
• the stator 3 has the mounting flange 8 and the positioning device 4 is arranged on the mounting flange 8.
• the positioning device 4 or the encoder holder 6a could just as well be arranged on the stator 3.
• FIG. 2 shows the built-in motor 1 according to the invention of FIG. 1 in a first perspective partial view.
• the positioning device 4 is designed as a recess.
• a recess in the form of a receiving shaft is provided in the mounting flange 8 of the stator 3, which serves the positionally accurate fixation of the encoder 6.
• the encoder 6 has the encoder holder 6a, which is inserted radially into the positioning device 4 or recess from the outside.
• FIG. 3 shows the built-in motor 1 according to the invention of FIG. 1 in a second perspective partial view.
• This partial view shows the measuring track 10, which is arranged on the rotor flange 9.
• the measuring track 10 could also be arranged on the rotor 2.
• the measuring track 10 represents the measuring surface of the measuring object, i. H. of the rotor 2, which the encoder 6 located in the encoder holder 6a scans.
• the encoder holder 6a has the actuating mechanism 12 for adjusting and locking the encoder 6 with the encoder holder 6a.
• FIG. 4 shows the built-in motor 1 according to the invention of FIG. 1 in a third perspective partial view.
• FIG. 4 shows that several encoders and / or position devices can be provided on the built-in motor 1.
• the first encoder 6 is for example a position sensor and the second encoder 7 is for example an acceleration sensor.
• Both encoders 6 and 7 have the encoder positions 6a and 7a and are each arranged in a separate positioning device 4 and 5, wherein the positioning devices 4 and 5 are arranged opposite as a recess in the mounting flange 8 of the stator 3.
• FIG. 5 shows the built-in motor 1 according to the invention of FIG. 1 in a first partial side view.
• the encoder holder 6a has the actuating mechanism 12 with retaining spring 13, by means of which the encoder 6 is adjusted and locked in the encoder holder 6a to the stop 15.
• the stop 15 is formed by the two pins 15a and 15b, which rest in the operating or locked state on the machine-side centering collar 14 for the stator 3.
• 5 shows the unlocked position of the encoder holder 6a, which is characterized by a safety distance between encoder 6 and measuring track 10th
• FIG. 6 shows the built-in motor 1 according to the invention of FIG. 1 in a second partial side view.
• FIG. 6 shows the operating or locked state of the encoder holder 6a with the encoder 6.
• the two stop pins 15a and 15b bear against the machine-side centering collar 14 for the stator 3.

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=38042845

Family Applications (1)

Country Status (4)

Cited By (1)

Families Citing this family (12)

Citations (3)

Family Cites Families (12)

• 2006
  • 2006-03-31 DE DE102006015065A patent/DE102006015065A1/de not_active Withdrawn
• 2007
  • 2007-02-20 WO PCT/EP2007/051611 patent/WO2007113049A1/de not_active Ceased
  • 2007-02-20 JP JP2009501986A patent/JP2009532005A/ja active Pending
  • 2007-02-20 US US12/295,461 patent/US20090284104A1/en not_active Abandoned

Patent Citations (3)

Also Published As

Similar Documents

Legal Events