WO2016189706A1 - 電動機 - Google Patents
電動機 Download PDFInfo
- Publication number
- WO2016189706A1 WO2016189706A1 PCT/JP2015/065290 JP2015065290W WO2016189706A1 WO 2016189706 A1 WO2016189706 A1 WO 2016189706A1 JP 2015065290 W JP2015065290 W JP 2015065290W WO 2016189706 A1 WO2016189706 A1 WO 2016189706A1
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- WO
- WIPO (PCT)
- Prior art keywords
- armature
- bolt
- electric motor
- motor according
- fastening member
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
Definitions
- the present invention relates to an electric motor including a field element and an armature.
- An electric motor is known as an apparatus for conveying a conveyed product.
- An electric motor moves an armature in one direction by generating a thrust between a field element as a stator and an armature as a mover.
- the armature has a plurality of armature cores around which coils are wound, and the gap surface of the armature core is arranged to face the field element.
- it has been required to increase the output of an electric motor by increasing the area of the gap surface, or to reduce the size of the electric motor.
- Patent Document 1 describes an electric motor including a plurality of armature cores around which coils are wound, an armature mounting plate disposed on an upper portion of the armature core, and a table fixed on the upper portion of the armature mounting plate.
- a plurality of armature cores are fixed to the armature mounting plate by fastening bolts.
- the table is fixed to the armature mounting plate by fastening bolts.
- the armature mounting plate is arranged in the upper part of the coil, that is, in the space between the coil and the table.
- a space is required in the vertical direction in order to arrange the armature mounting plate.
- the size of the armature core is restricted in the vertical direction with respect to the size of the entire armature.
- the present invention has been made in view of the above, and an object of the present invention is to obtain an electric motor capable of high output or miniaturization.
- the present invention includes a field element and an armature that moves by generating a thrust between the field element.
- the armature has a plurality of magnets arranged side by side in alternately different states in the first direction, which is the direction in which the armature moves, and the armature faces a second direction orthogonal to the first direction with respect to the magnet
- a plurality of armature cores arranged side by side in the first direction, a coil wound around a partial region of the armature core in the second direction, and the plurality of armature cores
- a transport object provided with an interval in which the coils are arranged in a third direction orthogonal to the first direction and the second direction, and a plurality of armature cores and an attachment member for fixing the transport object.
- the armature core is fixed to the mounting member by the first fastening member, and the conveyed product is taken by the second fastening member.
- the first and second coupling members is characterized by being arranged at a position not overlapping the coil when viewed from the third direction.
- FIG. 1 The perspective view of the electric motor which concerns on Embodiment 1.
- FIG. 2 The perspective view of the electric motor which concerns on Embodiment 1.
- FIG. 2 The perspective view of the electric motor which concerns on Embodiment 1.
- FIG. Plan view of electric motor according to Embodiment 1 Plan view of electric motor according to Embodiment 1
- Plan view of electric motor according to Embodiment 2 Plan view of electric motor according to Embodiment 2
- Top view of mounting member of electric motor according to Embodiment 2 Sectional drawing of the armature of the electric motor which concerns on Embodiment 2.
- FIG. 9 is a plan view showing a part of an armature of an electric motor according to a fourth embodiment.
- FIG. 9 is a plan view showing a part of an armature of an electric motor according to a fifth embodiment.
- Plan view of electric motor according to Embodiment 6 Plan view of electric motor according to Embodiment 6
- Plan view of electric motor according to Embodiment 7 Plan view of electric motor according to Embodiment 7
- Plan view of electric motor according to Embodiment 8. Sectional drawing of the armature of the electric motor which concerns on Embodiment 8.
- FIG. 1 to 3 are perspective views of the electric motor 1 according to the first embodiment.
- FIG. 2 shows a state where the field yoke 11 and the permanent magnet 12 on one side of the electric motor 1 shown in FIG. 1 are removed.
- FIG. 3 shows a state in which the field yoke 11 and the permanent magnet 12 on one side of the electric motor 1 shown in FIG. 4 and 5 are plan views of the electric motor 1 according to the first embodiment.
- FIG. 5 shows a state where the mounting member 24 is removed from the electric motor 1 shown in FIG.
- the electric motor 1 includes a field element 10 that is a stator and an armature 20 that is a mover.
- the electric motor 1 moves the armature 20 in the first direction D ⁇ b> 1 by the thrust generated between the field element 10 and the armature 20.
- the electric motor 1 is a double-sided electric motor in which thrust generation surfaces are formed on both sides of the armature 20 in the second direction D2.
- the armature 20 is provided with a conveyed product 23.
- the electric motor 1 conveys the conveyed product 23 by moving the armature 20 while holding the conveyed product 23.
- the transported object 23 is described as a flat plate. However, the transported object 23 corresponds to a movable portion of a mechanical device, and corresponds to a head of a mounting machine, a carriage or a stage on which a load is loaded.
- the field element 10 has a field yoke 11 and a permanent magnet 12.
- Two field yokes 11 are arranged in a state of being spaced apart in the second direction D2.
- the two field yokes 11 are formed in a shape extending in the first direction D1.
- the two field yokes 11 are arranged in parallel.
- a plurality of permanent magnets 12 are provided on the field yoke 11.
- the plurality of permanent magnets 12 are arranged at equal pitches in one row along the first direction D1 for each field yoke 11. Therefore, the plurality of permanent magnets 12 are provided in two rows at intervals in the second direction D2.
- the polarities of the permanent magnets 12 are alternately different in the first direction D1.
- the armature 20 is disposed between the two rows of permanent magnets 12 in the second direction D2.
- the armature 20 includes a plurality of armature cores 21 arranged side by side in the first direction D1 and a coil 22 wound around the armature core 21.
- the armature core 21 is formed by laminating a plurality of plate-like core members.
- the core member is stacked in a third direction D3 orthogonal to the first direction D1 and the second direction D2.
- the armature core 21 is formed of a divided iron core divided for each tooth. Both end surfaces of the armature core 21 in the second direction D2 are gap surfaces G arranged to face the permanent magnet 12.
- a coil 22 is wound around the central portion of the armature core 21 in the second direction D2.
- the coil 22 is wound through an insulator. In the first embodiment, illustration of the insulator is omitted.
- Bolt holes 31 are provided at both ends of the armature core 21 in the second direction D2.
- the bolt hole 31 is formed through the armature core 21 in the third direction D3.
- a first bolt 25 that is a first fastening member for fastening the armature core 21 to the attachment member 24 is inserted into the bolt hole 31. Since the bolt holes 31 are provided for each armature core 21, the bolt holes 31 are arranged side by side in the first direction D ⁇ b> 1 in the plurality of armature cores 21.
- the armature 20 has a transported object 23 provided at a position in the third direction D3 with respect to the plurality of armature cores 21, and an attachment member 24 for fixing the plurality of armature cores 21 and the transported object 23. is doing.
- the conveyed product 23 is formed in a rectangular plate shape, and is fixed to the attachment member 24 by a second bolt 26 that is a second fastening member.
- the conveyed product 23 is arrange
- the mounting member 24 is formed in a prismatic shape and is disposed along the first direction D1.
- the attachment members 24 are disposed at both ends of the armature core 21 in the second direction.
- the attachment member 24 is disposed in a region where the coil 22 is not provided on the upper surface of the armature core 21.
- the attachment member 24 is disposed over the entire plurality of armature cores 21 in the first direction D1.
- the attachment member 24 is formed using a nonmagnetic material. In Embodiment 1, the attachment member 24 is formed using SUS.
- the attachment member 24 may be formed using a nonmagnetic and nonconductive material. By using the non-conductive material for the attachment member 24, eddy current flowing through the attachment member 24 can be suppressed. Thereby, the thrust fall of the electric motor 1 by an iron loss can be suppressed.
- FIG. 6 is a plan view of the attachment member 24 of the electric motor 1 according to the first embodiment.
- the attachment member 24 has a first bolt hole 35 and a second bolt hole 36 that are arranged side by side in the first direction D1.
- the first bolt holes 35 and the second bolt holes 36 are alternately arranged at an equal pitch in the first direction D1.
- the first bolt hole 35 and the second bolt hole 36 are formed penetrating in the third direction D3.
- the 2nd bolt hole 36 does not need to penetrate to the 3rd direction D3.
- the second bolt hole 36 is formed in the upper part of the mounting member 24 in the third direction D3.
- FIG. 7 is a cross-sectional view of the armature 20 of the electric motor 1 according to the first embodiment.
- the first bolt hole 35 is disposed at a position overlapping the bolt hole 31 of the armature core 21 when viewed in the third direction D3.
- the first bolt 25 is disposed at the lower end of the armature core 21.
- the first bolt 25 passes through the bolt hole 31 of the armature core 21 in the third direction D3 and is inserted into the first bolt hole 35.
- the armature core 21 is fastened to the mounting member 24 by the first bolt 25.
- bolt 25 is provided in the lower side edge part 20s which is the 1st end of the armature 20 in the 3rd direction D3.
- the second bolt 26 as the second fastening member is inserted into the second bolt hole 36.
- the second bolt 26 is disposed at the upper end of the conveyed product 23.
- the second bolt 26 is inserted into the second bolt hole 36 through the bolt hole 33 of the conveyed product 23 in the third direction D3.
- the conveyed product 23 is fastened to the attachment member 24 by the second bolt 26.
- bolt 26 is provided in the upper side edge part 20t which is the 2nd end of the armature 20 in the 3rd direction D3.
- the transported object 23 is provided with an interval for arranging the coils 22 in the third direction D ⁇ b> 3 with respect to the plurality of armature cores 21.
- the dimension of the mounting member 24 in the third direction D3 is formed such that the upper end portion of the coil 22 can be disposed.
- the upper end portion of the coil 22 is disposed in a space between the upper surface of the armature core 21 and the conveyed product 23.
- the mounting member 24, the first bolt 25, and the second bolt 26 are disposed so as to avoid the space between the coil 22 and the conveyed product 23. That is, the attachment member 24, the first bolt 25, and the second bolt 26 are disposed at positions that do not overlap the coil 22 when viewed from the third direction D3. For this reason, the dimension between the upper surface of the armature core 21 and the conveyed product 23 can be set within a range in which the upper end portion of the coil 22 can be disposed.
- first bolt 25 disposed below the armature core 21 and the second bolt 26 disposed above the armature core 21 are, when viewed in the third direction D3, the first direction D1. Are arranged side by side on a straight line. That is, the first bolt 25 and the second bolt 26 are disposed on the plane P along the gap surface G. Therefore, since the 1st volt
- the mounting member 24, the first bolt 25, and the second bolt 26 are arranged at positions that do not overlap the coil 22 when viewed from the third direction D3.
- the dimension of the armature core 21 in the third direction D3 can be increased, and the area of the gap surface G of the armature core 21 can be increased, so that the output of the motor 1 can be increased.
- the armature 20 can be reduced in size in the third direction D3 with respect to the armature core 21.
- FIG. 8 and 9 are plan views of the electric motor 1A according to the second embodiment.
- FIG. 9 shows a state where the mounting member 24A and the conveyed product 23 are removed from the electric motor 1A shown in FIG.
- the same components as those of the electric motor 1 according to the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.
- the electric motor 1A includes a field element 10 and an armature 20A.
- the armature 20 ⁇ / b> A is disposed between the two rows of permanent magnets 12.
- the armature 20A has a plurality of armature cores 21, a coil 22, a conveyed product 23, and an attachment member 24A.
- FIG. 10 is a plan view of the attachment member 24A of the electric motor 1A according to the second embodiment.
- the attachment member 24 ⁇ / b> A has bolt holes 37 that are arranged side by side at an equal pitch in the first direction D ⁇ b> 1.
- the bolt hole 37 is formed so as to penetrate in the third direction D3.
- the pitch of the bolt holes 37 is equal to the pitch of the bolt holes 31 formed in the armature core 21.
- FIG. 11 is a cross-sectional view of the armature 20A of the electric motor 1A according to the second embodiment.
- both the first bolt 25 that is the first fastening member and the second bolt 26 that is the second fastening member are inserted into the bolt hole 37.
- the first bolt 25 is disposed at the lower end of the armature core 21 in the third direction D3.
- the first bolt 25 penetrates the armature core 21 from below to above in the third direction D ⁇ b> 3 and is inserted below the bolt hole 37.
- the armature core 21 is fastened to the mounting member 24 ⁇ / b> A by the first bolt 25.
- the second bolt 26 is disposed at the upper end of the conveyed product 23.
- the second bolt 26 penetrates the bolt hole 33 of the conveyed product 23 from the upper side to the lower side, and is inserted into the upper part of the bolt hole 37. Thereby, the conveyed product 23 is fastened to the attachment member 24 ⁇ / b> A by the second bolt 26.
- bolt 25 is provided in the lower end part 20s which is the 1st end of the armature 20A in the 3rd direction D3.
- the second bolt 26 is provided at the upper end 20t that is the second end of the armature 20A in the third direction D3.
- the number of the bolt holes 37 in the mounting member 24A is smaller than that in the first embodiment. Can be reduced. For this reason, the man-hour at the time of processing and forming the bolt hole 37 in the attachment member 24A can be reduced. Thereby, it is possible to reduce the cost and improve the mechanical strength of the mounting member 24A.
- FIG. 12 is a cross-sectional view of armature 20B of electric motor 1B according to the third embodiment.
- the same components as those of the electric motor 1 according to the first embodiment are denoted by the same reference numerals, and the description thereof is omitted or simplified.
- the armature 20B has a plurality of armature cores 21B, coils 22, a conveyed product 23, and attachment members 24B.
- the armature core 21B plate-shaped core members are stacked in the third direction D3, and the core members are fixed by caulking or bonding.
- the armature core 21B has a bolt hole 31b on the upper surface and a bolt hole 31a on the lower surface.
- the bolt hole 31b and the bolt hole 31a are disposed at positions overlapping each other when viewed in the third direction D3.
- the bolt hole 31b and the bolt hole 31a are formed without penetrating the armature core 21B. Therefore, in the armature core 21B, the core member is disposed in the portion between the bolt hole 31b and the bolt hole 31a in the third direction D3.
- the mounting member 24B has bolt holes 37 that are arranged at equal pitches in the first direction D1.
- the bolt hole 37 is formed so as to penetrate in the third direction D3.
- the pitch of the bolt holes 37 is equal to the pitch of the bolt holes 31b and the bolt holes 31a formed in the armature core 21B.
- the bolt 26 ⁇ / b> B that also serves as the first fastening member and the second fastening member is inserted into the bolt hole 37.
- the bolt 26 ⁇ / b> B is disposed at the upper end of the conveyed product 23.
- the bolt 26B passes through the bolt hole 33 of the conveyed product 23 and the bolt hole 37 of the attachment member 24B in the third direction D3 and is inserted into the bolt hole 31b.
- the armature core 21B and the conveyed product 23 are fastened to the mounting member 24 by the bolt 26B.
- the bolt 25B is inserted into the bolt hole 31a formed on the lower surface of the armature core 21B.
- the bolt hole 31a and the bolt 25B may not be provided.
- the core member is disposed at the end portion in the second direction D2 of the armature core 21B without the bolt hole being provided in the central portion in the third direction D3.
- FIG. 13 is a plan view showing a part of the armature 20C according to the fourth embodiment.
- FIG. 13 shows an insulator 27 attached to the armature core 21.
- the same components as those of the armature core 21 according to the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.
- the armature core 21 is provided with an insulator 27 in order to ensure insulation with the coil 22.
- the coil 22 is wound around the insulator 27.
- the insulator 27 is disposed at the center of the armature core 21 in the second direction D2.
- a recess 27a is formed at both ends of the insulator 27 in the second direction D2.
- the concave portion 27a is formed in a curved state toward the central portion side in the second direction D2.
- the concave portions 27a are provided at both end portions in the second direction D2 of the insulator 27, interference between the insulator 27 and the bolt can be avoided.
- positions the coil 22 can be expanded to the both ends side of the 2nd direction D2, the coil space factor in the armature core 21 can be improved.
- copper loss due to the coil 22 can be reduced, and the motor including the armature 20C can be downsized or increased in thrust.
- FIG. 14 is a plan view showing a part of the armature 20D according to the fifth embodiment.
- FIG. 14 shows the armature core 21 ⁇ / b> D and the insulator 27.
- the same components as those of the armature core 21 according to the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.
- both end portions in the second direction D2 of the armature core 21D are provided with convex portions 40 that are curved outward in the first direction D1.
- the protrusion 40 protrudes in the first direction D1 along the shape of the bolt hole 31 that is an insertion hole.
- the convex portion 40 is formed in a circular shape.
- both end portions in the second direction D2 of the armature core 21D are formed in a circular shape along the shape of the bolt hole 31, at both end portions in the second direction D2 of the armature core 21D. A magnetic path is secured. For this reason, it is possible to avoid magnetic saturation at both ends of the armature core 21D in the second direction D2. Thereby, it is possible to prevent the current-thrust characteristic from deteriorating and increase the output.
- FIG. 15 and 16 are plan views of the electric motor 1E according to the sixth embodiment.
- FIG. 16 shows a state in which the conveyed product 23E and the attachment member 24 are removed from the electric motor 1E shown in FIG.
- the same components as those of the electric motor 1 according to the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.
- the electric motor 1 ⁇ / b> E includes a field element 10 and an armature 20 ⁇ / b> E.
- the armature 20E is disposed between the two rows of permanent magnets 12.
- the armature 20E includes a plurality of armature cores 21E, a coil 22, a conveyed product 23E, and an attachment member 24.
- the convex part 41 is provided in the center part of the 2nd direction D2 of the armature core 21E.
- the convex portion 41 projects outward in the first direction D1.
- tip parts are contact
- a bolt hole 32 is formed in the central portion of the armature core 21E in the second direction D2.
- the coil 22 is disposed at a position sandwiching the convex portion 41 in the second direction D2.
- the mounting member 24 is arranged at the center of the armature core 21E in the second direction D2.
- the attachment member 24 is supported on the upper surface of the convex portion 41.
- the attachment member 24 is arrange
- FIG. 17 is a cross-sectional view of the armature 20E of the electric motor 1E according to the sixth embodiment.
- the first bolt hole 35 is disposed at a position overlapping the bolt hole 32 of the armature core 21E when viewed in the third direction D3.
- the first bolt 25 is disposed at the lower end of the armature core 21E.
- the first bolt 25 penetrates the bolt hole 32 of the armature core 21E in the third direction D3 and is inserted into the first bolt hole 35.
- the armature core 21 ⁇ / b> E is fastened to the mounting member 24 by the first bolt 25.
- bolt 25 is provided in the lower side edge part 20s which is the 1st end of the armature 20E in the 3rd direction D3.
- the second bolt 26 as the second fastening member is inserted into the second bolt hole 36.
- bolt 26 is arrange
- the second bolt 26 is inserted into the second bolt hole 36 through the bolt hole 34 of the conveyed product 23E in the third direction D3.
- the conveyed product 23 ⁇ / b> E is fastened to the attachment member 24 by the second bolt 26.
- bolt 26 is provided in the upper side edge part 20t which is the 2nd end of the armature 20E in the 3rd direction D3.
- the dimension of the mounting member 24 in the third direction D3 is formed such that the upper end portion of the coil 22 can be disposed.
- the upper end part of the coil 22 is arrange
- the mounting member 24, the first bolt 25, and the second bolt 26 are disposed at positions that do not overlap the coil 22 when viewed from the third direction D3. For this reason, the dimension between the upper surface of the armature core 21E and the conveyed product 23E can be set within a range in which the upper end portion of the coil 22 can be arranged.
- first bolt 25 disposed on the lower side of the armature core 21E and the second bolt 26 disposed on the upper side of the armature core 21E are, when viewed in the third direction D3, the first direction D1.
- the first bolt 25 and the second bolt 26 are arranged on the plane Q along the gap surface G.
- bolt 26 are provided in one place in the 2nd direction D2. Thereby, since the 1st volt
- the mounting member 24, the first bolt 25, and the second bolt 26 are arranged at positions that do not overlap the coil 22 when viewed from the third direction D3.
- the dimension between 21E and the conveyed product 23E should just set to the dimension which can arrange
- FIG. Thereby, high output or miniaturization of the electric motor 1E can be achieved.
- bolt 26 are provided in one place in the 2nd direction D2, the space which winds the coil 22 can be ensured in the 2nd direction D2.
- FIG. 18 and 19 are plan views of the electric motor 1F according to the seventh embodiment.
- FIG. 19 shows a state where the mounting member 24 and the conveyed product 23 are removed from the electric motor 1F shown in FIG.
- the same components as those of the electric motor 1 according to the first embodiment are denoted by the same reference numerals, and the description thereof is omitted or simplified.
- the electric motor 1 ⁇ / b> F includes a field element 10 ⁇ / b> F and an armature 20 ⁇ / b> F.
- the armature 20F is provided with two rows of armature cores 21F arranged in the first direction D1 with an interval in the second direction D2. Further, the field element 10F is disposed between the two armature cores 21F in the second direction D2.
- the field element 10 ⁇ / b> F has a field yoke 11 ⁇ / b> F and a permanent magnet 12.
- One field yoke 11F is arranged at the center in the second direction D2.
- the field yoke 11F is formed in a shape extending in the first direction D1.
- a plurality of permanent magnets 12 are provided on the field yoke 11F.
- the plurality of permanent magnets 12 are arranged at an equal pitch in one row along the first direction D1 on one surface and the other surface of the field yoke 11F in the second direction D2. Accordingly, the plurality of permanent magnets 12 are provided in two rows with the field yoke 11F sandwiched in the second direction D2.
- the polarities of the permanent magnets 12 are alternately different in the first direction D1.
- the armature core 21F is formed by laminating a plurality of plate-like core members in the third direction D3.
- the armature core 21F is formed of a divided iron core divided for each tooth.
- the end surface on the field element 10 ⁇ / b> F side in the second direction D ⁇ b> 2 is a gap surface G disposed to face the permanent magnet 12.
- a coil 22 is wound around the armature core 21F via an insulator.
- a protruding portion 42 protruding in the first direction D1 is formed at the end of the armature core 21F opposite to the field element 10F in the second direction D2. Between the adjacent armature cores 21F, the tips of the projecting portions 42 are in contact with each other. Moreover, the bolt hole 38 is provided in the edge part by the side of the protrusion part 42 in the 2nd direction D2 among the armature cores 21F. The bolt hole 38 is formed through the armature core 21F in the third direction D3. The first bolt 25 as the first fastening member is inserted into the bolt hole 38. In the plurality of armature cores 21F, the bolt holes 38 are arranged in the first direction D1.
- the armature 20F has a conveyed product 23 and an attachment member 24.
- One attachment member 24 is provided for each row of armature cores 21F.
- the attachment member 24 is disposed over the entire plurality of armature cores 21 in the first direction D1.
- the attachment member 24 is disposed at the end of the armature core 21 opposite to the field element 10F in the second direction.
- the attachment member 24 is supported on the upper surface of the convex portion 42.
- the attachment member 24 is disposed in a region where the coil 22 is not provided on the upper surface of the armature core 21F.
- FIG. 20 is a cross-sectional view of the two armatures 20F of the electric motor 1F according to the seventh embodiment.
- the first bolt 25 is inserted into the first bolt hole 35 of the attachment member 24.
- the first bolt hole 35 is disposed at a position overlapping the bolt hole 38 of the armature core 21F when viewed in the third direction D3.
- bolt 25 is arrange
- the first bolt 25 passes through the bolt hole 38 of the armature core 21F in the third direction D3 and is inserted into the first bolt hole 35.
- the armature core 21 ⁇ / b> F is fastened to the mounting member 24 by the first bolt 25.
- bolt 25 is provided in the lower side edge part 20s which is the 1st end of the armature 20F in the 3rd direction D3.
- the second bolt 26 as the second fastening member is inserted into the second bolt hole 36.
- the second bolt 26 is disposed at the upper end of the conveyed product 23.
- the second bolt 26 is inserted into the second bolt hole 36 through the bolt hole 33 of the conveyed product 23 in the third direction D3.
- the conveyed product 23 is fastened to the attachment member 24 by the second bolt 26.
- bolt 26 is provided in the upper side edge part 20t which is the 2nd end of the armature 20F in the 3rd direction D3.
- the conveyed product 23 is provided between two armatures 20F.
- the conveyed product 23 is provided in common between the two armatures 20F.
- the conveyed product 23 is fixed to the attachment member 24 by a second bolt 26 that is a second fastening member.
- the two armatures 20F are integrally formed.
- the mounting member 24, the first bolt 25, and the second bolt 26 are arranged at positions that do not overlap the coil 22 when viewed in the third direction D3. For this reason, the dimension between the upper surface of the armature core 21F and the conveyed product 23 can be set within a range in which the upper end portion of the coil 22 can be disposed.
- first bolt 25 and the second bolt 26 are arranged side by side on a straight line along the first direction D1 when viewed in the third direction D3. That is, the first bolt 25 and the second bolt 26 are disposed on the plane P along the gap surface G. Therefore, since the 1st volt
- two rows of armature cores 21F arranged in the first direction D1 in the armature 20F are provided at intervals in the second direction D2, and the field element 10F.
- the mounting member 24, the first bolt 25, and the second bolt 26 are overlapped with the coil 22 as viewed in the third direction D3. It is placed at a position that does not become necessary. For this reason, the dimension between the armature core 21F and the conveyed product 23 should just be set to the dimension which can arrange
- the dimension of the armature core 21F in the third direction D3 can be increased, and the area of the gap surface G of the armature core 21F can be increased, so that the output of the motor 1F can be increased.
- the armature 20F can be reduced in size in the third direction D3 with respect to the armature core 21F.
- FIG. 21 and 22 are plan views of the electric motor 1G according to the eighth embodiment.
- FIG. 22 shows a state where the mounting member 24 and the conveyed product 23 are removed from the electric motor 1G shown in FIG.
- the same components as those in the electric motor 1 according to the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.
- the electric motor 1 ⁇ / b> G includes a field element 10 ⁇ / b> G and an armature 20 ⁇ / b> G.
- the electric motor 1G has one gap surface G between the field element 10G and the armature 20G.
- the field element 10G has a field yoke 11 and a plurality of permanent magnets 12.
- the field yoke 11 is formed in a shape extending in the first direction D1.
- the plurality of permanent magnets 12 are provided in a row along the first direction D1.
- the polarities of the permanent magnets 12 are alternately different in the first direction D1.
- the permanent magnet 12 is arranged with the magnetic poles directed in the second direction D2.
- the armature 20G is disposed on the second direction D2 with respect to the field element 10G.
- the armature 20G has a plurality of armature cores 21G and a coil 22.
- the plurality of armature cores 21G are provided in a line along the first direction D1.
- the end surface on the field element 10G side in the second direction D2 is a gap surface G disposed to face the permanent magnet 12.
- a protruding portion 43 protruding in the first direction D1 is formed at the end of the armature core 21G opposite to the field element 10G in the second direction D2. Between the adjacent armature cores 21G, the tips of the protrusions 43 are in contact with each other. Moreover, the bolt hole 39 is provided in the edge part by the side of the protrusion 43 in the 2nd direction D2 among the armature cores 21G. The bolt hole 39 is formed through the armature core 21G in the third direction D3. The first bolt 25 that is the first fastening member is inserted into the bolt hole 39. In the plurality of armature cores 21G, the bolt holes 39 are arranged in the first direction D1.
- the armature 20G has a transported object 23 and an attachment member 24.
- the attachment member 24 is disposed over the entire plurality of armature cores 21G in the first direction D1.
- FIG. 23 is a cross-sectional view of the armature 20G of the electric motor 1G according to the eighth embodiment.
- the first bolt 25 is inserted into the first bolt hole 35 of the mounting member 24.
- the first bolt hole 35 is disposed at a position overlapping the bolt hole 39 of the armature core 21G when viewed in the third direction D3.
- the first bolt 25 is disposed at the lower end of the armature core 21G in the third direction D3.
- the first bolt 25 passes through the bolt hole 39 of the armature core 21G in the third direction D3 and is inserted into the first bolt hole 35.
- the armature core 21 ⁇ / b> G is fastened to the mounting member 24 by the first bolt 25.
- bolt 25 is provided in the lower side edge part 20s which is the 1st end of the armature 20G in the 3rd direction D3.
- the second bolt 26 as the second fastening member is inserted into the second bolt hole 36.
- the second bolt 26 is disposed at the upper end of the conveyed product 23.
- the second bolt 26 is inserted into the second bolt hole 36 through the bolt hole 33 of the conveyed product 23 in the third direction D3. Thereby, the conveyed product 23 is fastened to the attachment member 24 by the second bolt 26.
- the mounting member 24, the first bolt 25, and the second bolt 26 are arranged at positions that do not overlap the coil 22 when viewed in the third direction D3. For this reason, the dimension between the upper surface of the armature core 21G and the conveyed product 23 can be set within a range in which the upper end portion of the coil 22 can be disposed.
- bolt 26 is provided in the upper side edge part 20t which is the 2nd end of the armature 20G in the 3rd direction D3.
- first bolt 25 and the second bolt 26 are arranged side by side on a straight line along the first direction D1 when viewed in the third direction D3. That is, the first bolt 25 and the second bolt 26 are disposed on the plane P along the gap surface G. Therefore, since the 1st volt
- the mounting member 24, the first bolt 25, and the second bolt 26 are It arrange
- the dimension between the armature core 21 ⁇ / b> G and the conveyed product 23 may be set to a dimension at which the coil 22 can be disposed, and the dimension of the mounting member 24 need not be considered. Therefore, the dimension of the armature core 21G in the third direction D3 can be increased, and the area of the gap surface of the armature core 21G can be increased, so that the output of the motor 1G can be increased.
- the armature 20G can be reduced in size in the third direction D3 with respect to the armature core 21G.
- the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.
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Abstract
Description
図1から図3は、実施の形態1に係る電動機1の斜視図である。なお、図2は、図1に示す電動機1のうち片側の界磁ヨーク11及び永久磁石12を除去した状態を示している。図3は、図1に示す電動機1のうち片側の界磁ヨーク11及び永久磁石12と搬送物23とを除去した状態を示している。また、図4及び図5は、実施の形態1に係る電動機1の平面図である。なお、図5は、図4に示す電動機1のうち取付部材24を除去した状態を示している。
図8及び図9は、実施の形態2に係る電動機1Aの平面図である。なお、図9は、図8に示す電動機1Aのうち取付部材24A及び搬送物23を除去した状態を示している。実施の形態2では、実施の形態1に係る電動機1と同一の構成要素には同一の符号を付すこととし、説明を省略又は簡略化する。図8及び図9に示すように、電動機1Aは、界磁子10と、電機子20Aとを備えている。電機子20Aは、2列の永久磁石12の間に配置されている。電機子20Aは、複数の電機子コア21と、コイル22と、搬送物23と、取付部材24Aとを有している。
図12は、実施の形態3に係る電動機1Bの電機子20Bの断面図である。実施の形態3では、実施の形態1に係る電動機1と同一の構成要素には同一の符号を付すこととし、説明を省略又は簡略化する。図12に示すように、電機子20Bは、複数の電機子コア21Bと、コイル22と、搬送物23と、取付部材24Bとを有している。
図13は、実施の形態4に係る電機子20Cの一部を示す平面図である。図13には、電機子コア21に取り付けられるインシュレータ27が示されている。実施の形態4では、実施の形態1に係る電機子コア21と同一の構成要素には同一の符号を付すこととし、説明を省略又は簡略化する。
図14は、実施の形態5に係る電機子20Dの一部を示す平面図である。図14には、電機子コア21D及びインシュレータ27が示されている。実施の形態5では、実施の形態1に係る電機子コア21と同一の構成要素には同一の符号を付すこととし、説明を省略又は簡略化する。
図15及び図16は、実施の形態6に係る電動機1Eの平面図である。なお、図16は、図15に示す電動機1Eのうち搬送物23E及び取付部材24を除去した状態を示している。実施の形態6では、実施の形態1に係る電動機1と同一の構成要素には同一の符号を付すこととし、説明を省略又は簡略化する。図15及び図16に示すように、電動機1Eは、界磁子10と、電機子20Eとを備えている。電機子20Eは、2列の永久磁石12の間に配置されている。電機子20Eは、複数の電機子コア21Eと、コイル22と、搬送物23Eと、取付部材24とを有している。
図18及び図19は、実施の形態7に係る電動機1Fの平面図である。なお、図19は、図18に示す電動機1Fのうち取付部材24及び搬送物23を除去した状態を示している。実施の形態7では、実施の形態1に係る電動機1と同一の構成要素には同一の符号を付すこととし、説明を省略又は簡略化する。図18及び図19に示すように、電動機1Fは、界磁子10Fと、電機子20Fとを備えている。実施の形態7では、電機子20Fは、第1方向D1に配置された電機子コア21Fの列が第2方向D2に間隔を空けて2つ設けられる。また、界磁子10Fは、第2方向D2において2つの電機子コア21Fの列の間に配置される。
図21及び図22は、実施の形態8に係る電動機1Gの平面図である。なお、図22は、図21に示す電動機1Gのうち取付部材24及び搬送物23を除去した状態を示している。実施の形態8では、実施の形態1に係る電動機1と同一の構成要素には同一の符号を付すこととし、説明を省略又は簡略化する。図21及び図22に示すように、電動機1Gは、界磁子10Gと、電機子20Gとを備えている。電動機1Gは、界磁子10Gと電機子20Gとの間のギャップ面Gが1面となっている。
Claims (13)
- 界磁子と、
前記界磁子との間で推力を発生させて移動する電機子と
を備え、
前記界磁子は、前記電機子の移動する方向である第1方向に交互に極性が異なる状態で並んで配置された複数の磁石を有し、
前記電機子は、前記磁石に対して前記第1方向に直交する第2方向に対向する位置に配置され、かつ、
前記第1方向に並んで配置された複数の電機子コアと、
前記電機子コアのうち前記第2方向の一部の領域に巻かれたコイルと、
複数の前記電機子コアに対して前記第1方向及び前記第2方向に直交する第3方向に前記コイルを配置する間隔を空けて設けられた搬送物と、
複数の前記電機子コア及び前記搬送物を固定する取付部材と、を有し、
複数の前記電機子コアは、第1締結部材によって前記取付部材に固定され、
前記搬送物は、第2締結部材によって前記取付部材に固定され、
前記取付部材、前記第1締結部材及び前記第2締結部材は、前記第3方向から見て前記コイルと重ならない位置に配置される
ことを特徴とする電動機。 - 前記電機子は、前記磁石に対向するギャップ面を有し、
前記第1締結部材及び前記第2締結部材は、前記ギャップ面に平行な平面上に配置される
ことを特徴とする請求項1に記載の電動機。 - 前記取付部材は、複数設けられる
ことを特徴とする請求項1又は請求項2に記載の電動機。 - 前記取付部材は、複数の前記電機子コアのうち前記第2方向の両端に配置される
ことを特徴とする請求項3に記載の電動機。 - 前記第1締結部材は、前記第3方向における前記電機子の第1端に設けられ、
前記第2締結部材は、前記第3方向における前記電機子の第2端に設けられる
ことを特徴とする請求項1から請求項4のうちいずれか一項に記載の電動機。 - 前記取付部材は、前記第3方向に貫通し、前記第1締結部材が前記第1端側から挿入され前記第2締結部材が前記第2端側から挿入される挿入孔を有する
ことを特徴とする請求項5に記載の電動機。 - 前記界磁子は、前記第1方向に配置された前記磁石の列が前記第2方向に間隔を空けて2つ設けられ、
前記電機子は、前記第2方向において2つの前記磁石の列の間に配置される
ことを特徴とする請求項1から請求項6のうちいずれか一項に記載の電動機。 - 前記電機子は、前記第1方向に配置された前記電機子コアの列が前記第2方向に間隔を空けて2つ設けられ、
前記界磁子は、前記第2方向において2つの前記電機子コアの列の間に配置される
ことを特徴とする請求項1から請求項6のうちいずれか一項に記載の電動機。 - 前記界磁子は、前記第1方向に配置された前記磁石の列が1つ設けられ、
前記電機子は、前記磁石の列に対向して配置される
ことを特徴とする請求項1から請求項6のうちいずれか一項に記載の電動機。 - 前記取付部材は、非磁性材料を用いて形成される
ことを特徴とする請求項1から請求項9のうちいずれか一項に記載の電動機。 - 前記取付部材は、非導電性材料を用いて形成される
ことを特徴とする請求項10に記載の電動機。 - 前記電機子は、前記電機子コアと前記コイルとの間にインシュレータを有し、
前記インシュレータは、前記第2方向の両端に前記第2締結部材に対応する形状の凹部を有する
ことを特徴とする請求項1から請求項11のうちいずれか一項に記載の電動機。 - 前記電機子コアは、前記第1締結部材を挿入する挿入穴を有し、かつ前記挿入穴の形状に沿って前記第1方向に突出する凸部を有する
ことを特徴とする請求項1から請求項12のうちいずれか一項に記載の電動機。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2015/065290 WO2016189706A1 (ja) | 2015-05-27 | 2015-05-27 | 電動機 |
KR1020177032890A KR101882644B1 (ko) | 2015-05-27 | 2015-05-27 | 전동기 |
JP2015557104A JP5931304B1 (ja) | 2015-05-27 | 2015-05-27 | 電動機 |
DE112015006566.0T DE112015006566B4 (de) | 2015-05-27 | 2015-05-27 | Elektrischer Motor |
US15/564,067 US10050508B2 (en) | 2015-05-27 | 2015-05-27 | Electric motor having a field element and an armature with a carrier |
CN201580080259.4A CN107615629B (zh) | 2015-05-27 | 2015-05-27 | 电动机 |
TW104136003A TWI562507B (en) | 2015-05-27 | 2015-11-02 | Electric motor |
Applications Claiming Priority (1)
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PCT/JP2015/065290 WO2016189706A1 (ja) | 2015-05-27 | 2015-05-27 | 電動機 |
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US (1) | US10050508B2 (ja) |
JP (1) | JP5931304B1 (ja) |
KR (1) | KR101882644B1 (ja) |
CN (1) | CN107615629B (ja) |
DE (1) | DE112015006566B4 (ja) |
TW (1) | TWI562507B (ja) |
WO (1) | WO2016189706A1 (ja) |
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- 2015-05-27 US US15/564,067 patent/US10050508B2/en not_active Expired - Fee Related
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- 2015-05-27 WO PCT/JP2015/065290 patent/WO2016189706A1/ja active Application Filing
- 2015-05-27 DE DE112015006566.0T patent/DE112015006566B4/de active Active
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Also Published As
Publication number | Publication date |
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CN107615629B (zh) | 2019-05-10 |
KR101882644B1 (ko) | 2018-07-26 |
DE112015006566T5 (de) | 2018-03-15 |
JP5931304B1 (ja) | 2016-06-08 |
JPWO2016189706A1 (ja) | 2017-06-22 |
KR20170132891A (ko) | 2017-12-04 |
US20180097433A1 (en) | 2018-04-05 |
US10050508B2 (en) | 2018-08-14 |
CN107615629A (zh) | 2018-01-19 |
TW201642554A (zh) | 2016-12-01 |
TWI562507B (en) | 2016-12-11 |
DE112015006566B4 (de) | 2022-06-23 |
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