CN113118268A - Motor core bending equipment - Google Patents
Motor core bending equipment Download PDFInfo
- Publication number
- CN113118268A CN113118268A CN202110423956.2A CN202110423956A CN113118268A CN 113118268 A CN113118268 A CN 113118268A CN 202110423956 A CN202110423956 A CN 202110423956A CN 113118268 A CN113118268 A CN 113118268A
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- China
- Prior art keywords
- slider
- gear
- rack
- support frame
- central shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Abstract
The application discloses motor core bending equipment belongs to motor assembly technical field, including base, center pin, first gear, second gear, guide block, control assembly, fixed subassembly and two rotatory subassemblies that compress tightly. The center pin is connected with the base rotation, is provided with recess, first elastic component and rotor plate on the center pin, and first elastic component makes the rotor plate have the trend of rotating outward towards the recess, and is provided with a plurality of wedge-shaped grooves that are used for with the rotor plate complex on the inner wall of first gear. The guide block is installed in the center pin, and control assembly is used for controlling first gear and second gear antiport, and fixed compressing assembly installs in the base, and two rotatory compressing assemblies rotate along with first gear and second gear respectively. The motor core bending equipment disclosed by the embodiment is high in working efficiency and low in labor cost, and meanwhile, the guide block, the fixed pressing assembly and the rotary pressing assembly are matched, so that the finished product rate can be improved, and the production cost is saved.
Description
Technical Field
The invention relates to the technical field of motor assembly, in particular to motor iron core bending equipment.
Background
The principle of motor stator assembly: the stator is a stationary part of a motor or a generator, and consists of three parts, namely a stator core, a stator winding and a base, in the existing motor, the stator core usually comprises a round stator core or a block type stator core, wherein for the stator adopting the round stator core, a certain space needs to be reserved in a stator slot of the stator for a winding needle of a winding device to pass through so as to ensure smooth winding, so that the slot fullness rate of the stator slot is lower after the winding is finished, the power density of the unit volume of the motor is not high, and when the round stator core is wound, the winding speed is slower, and the production efficiency can be greatly influenced; in addition, for the stator adopting the block type stator core, as the plurality of block type stator core units are required to be sequentially spliced into a circular ring shape, the processing precision and the assembly technology are required to be higher in actual production, which causes the production difficulty to be higher and the production cost to be higher.
The straight iron core needs to be bent into a round stator after the straight iron core is wound when being assembled, the existing bending mode adopts manual bending to bend the straight iron core, and the bending mode has high manual strength and high rejection rate.
Disclosure of Invention
The invention aims to solve the technical problem of disclosing a motor iron core bending device so as to improve the problem.
The technical scheme adopted by the invention for solving the technical problems is as follows:
based on the above object, the present invention discloses a motor core bending apparatus, comprising:
a base;
the central shaft is rotatably connected with the base, a groove, a first elastic piece and a rotating piece are arranged on the central shaft, the rotating piece is rotatably connected with the central shaft, the rotating axis of the rotating piece is parallel to the axis of the central shaft, the rotating piece is positioned at the notch of the groove, the first elastic piece is arranged between the groove bottom of the groove and the rotating piece, and the first elastic piece enables the rotating piece to have a tendency of rotating towards the outside of the groove;
the first gear is rotationally connected with the central shaft, and a wedge-shaped groove matched with the rotating sheet is formed in the inner wall of the first gear;
the second gear is rotationally connected with the central shaft and is arranged at intervals with the first gear;
the first support frame is fixedly connected with the second gear;
the second support frame is fixedly connected with the first gear;
a guide block mounted to the central shaft;
the third support frame is arranged on the base and is positioned between the first support frame and the second support frame;
the control assembly is used for controlling the first gear and the second gear to rotate reversely;
the fixed pressing assembly is arranged on the third supporting frame, and the output end of the fixed pressing assembly faces the guide block;
the two rotary compressing assemblies are respectively arranged on the first support frame and the second support frame, and the output ends of the rotary compressing assemblies face the guide block.
Optionally: the control assembly comprises a connecting plate, a first rack and a second rack, the connecting plate is located between the first rack and the second rack, the first rack and the second rack are located on two sides of the central shaft respectively, the connecting plate is connected with the base in a sliding mode, the first rack is meshed with the first gear, and the second rack is meshed with the second gear.
Optionally: the base is provided with a first supporting block and a second supporting block, the first rack is connected with the first supporting block in a sliding mode, and the second rack is connected with the second supporting block in a sliding mode.
Optionally: the fixed compression assembly comprises a fixed compression cylinder, a fixed telescopic shaft and a first compression piece, the fixed compression cylinder is arranged on the third support frame, the fixed telescopic shaft is arranged at the output end of the fixed compression cylinder, the fixed telescopic shaft moves along the radial direction of the guide block, and the first compression piece is connected with one end, facing the guide block, of the fixed telescopic shaft; the rotary compressing assembly comprises a rotary compressing cylinder, a rotary telescopic shaft and a second compressing piece, the rotary telescopic shaft is installed at the output end of the rotary compressing cylinder, the rotary telescopic shaft moves along the radial direction of the guide block, the second compressing piece faces towards one end of the guide block, the rotary compressing assembly is installed on the first support frame and the second support frame respectively, and the second compressing piece and the first compressing piece are located on the same circumference.
Optionally: the first pressing piece comprises a first mounting part and a first rotating wheel, the first mounting part is mounted at one end, facing the guide block, of the fixed telescopic shaft, the first rotating wheel is rotatably connected with the first mounting part, and the rotating axis of the first rotating wheel is parallel to the axis of the central shaft; the second compresses tightly the piece and includes second installation department and second runner, the second installation department install in rotatory telescopic shaft orientation the one end of guide block, the second runner with the second installation department rotates to be connected, the axis of rotation of second runner with the axis of center pin is parallel.
Optionally: motor core bending apparatus still includes spacing subassembly, spacing subassembly includes:
the first sliding block is connected with the base in a sliding mode, the sliding direction of the first sliding block is the same as that of the first installation part, one end of the first sliding block is located on the sliding path of the first installation part, and the first sliding block is located on one side, facing the fixed pressing cylinder, of the first installation part;
the second sliding block is connected with the base in a sliding mode, and the sliding direction of the second sliding block is inclined or perpendicular to the sliding direction of the first rack;
a second elastic member that causes the second slider to have a tendency to slide toward the first support block;
the second sliding block is connected with the first sliding block through the connecting piece;
the first rack is provided with a first positioning groove used for being matched with the second sliding block, and when the first installation part pushes the first sliding block to move towards the fixed pressing cylinder to slide, the second sliding block exits from the range of the first positioning groove.
Optionally: the limiting assembly further comprises a third sliding block, the third sliding block is connected with the base in a sliding mode, the sliding direction of the third sliding block is perpendicular to the sliding direction of the second rack, the sliding direction of the second sliding block is perpendicular to the sliding direction of the first rack, the second elastic piece is installed between the second sliding block and the third sliding block, the second elastic piece enables the second sliding block and the third sliding block to have the trend of being away from each other, and a second positioning groove matched with the third sliding block is formed in the second rack.
Optionally: one end of the second sliding block, which is far away from the third sliding block, is provided with a first inclined surface, and the first inclined surface is positioned on one side of the second sliding block, which faces the central shaft; one end, deviating from the second slider, of the third slider is provided with a second inclined plane, and the second inclined plane is located on one side, facing the central shaft, of the third slider.
Optionally: the connecting pieces are pull ropes, the number of the connecting pieces is two, the two connecting pieces are respectively connected with the second sliding block and the third sliding block, and the connecting pieces are connected to the opposite ends of the second sliding block and the third sliding block.
Optionally: the range occupied by the first inclined plane on the second sliding block is smaller than the depth of the first positioning groove, and the range occupied by the second inclined plane on the third sliding block is smaller than the depth of the second positioning groove.
Compared with the prior art, the invention has the following beneficial effects:
the motor iron core bending equipment disclosed by the invention can fix the iron core by utilizing the fixed compressing assembly, and can bend the iron core by utilizing the pressure formed when the rotary compressing assembly rotates around the central shaft.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 shows a top view of a motor core bending apparatus in a first state, according to an embodiment of the present invention;
fig. 2 is a plan view of a motor core bending apparatus according to an embodiment of the present invention in a second state;
fig. 3 shows a front cross-sectional view of a motor core bending apparatus disclosed in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a control assembly disclosed in an embodiment of the present invention;
FIG. 5 illustrates a top cross-sectional view of the first gear and the central shaft as disclosed in an embodiment of the present invention;
FIG. 6 illustrates a top cross-sectional view of a central shaft disclosed in an embodiment of the present invention;
FIG. 7 illustrates a top cross-sectional view of a first gear disclosed in an embodiment of the present invention;
FIG. 8 is a schematic view of a stationary compression assembly according to the disclosed embodiments of the present invention;
fig. 9 shows a schematic view of a spacing assembly disclosed in an embodiment of the present invention.
In the figure:
100-a base; 110-a first support block; 120-a second support block; 200-a central axis; 210-a rotor plate; 220-a groove; 230-a first elastic member; 310-a first support frame; 320-a second support; 330-a third support frame; 400-a guide block; 500-a control component; 510-a connecting plate; 520-a first rack; 521-a first positioning groove; 530-a second rack; 531-a second positioning groove; 600-fixing the compression assembly; 610-fixed pressing cylinder; 620-fixed telescopic shaft; 630-a first compression member; 631 — a first mounting portion; 632 — a first wheel; 700-rotating the compacting assembly; 800-a limiting component; 810-a first slider; 820-a second slider; 821-a first inclined plane; 830-a second slider; 831-second inclined plane; 840-a connector; 850-a second elastic member; 910-a first gear; 911-wedge groove; 920 — second gear.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as disclosed in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example (b):
referring to fig. 1 to 9, an embodiment of the present invention discloses a motor core bending apparatus, which includes a base 100, a central shaft 200, a first gear 910, a second gear 920, a first support frame 310, a second support frame 320, a third support frame 330, a guide block 400, a control assembly 500, a fixed pressing assembly 600, and two rotating pressing assemblies 700.
The central shaft 200 is rotatably connected with the base 100, a groove 220, a first elastic member 230 and a rotating sheet 210 are arranged on the central shaft 200, the rotating sheet 210 is rotatably connected with the central shaft 200, the rotating axis of the rotating sheet 210 is parallel to the axis of the central shaft 200, the rotating sheet 210 is positioned at the notch of the groove 220, the first elastic member 230 is arranged between the groove bottom of the groove 220 and the rotating sheet 210, and the first elastic member 230 enables the rotating sheet 210 to have a tendency of rotating outwards towards the groove 220. The first gear 910 is rotatably connected to the central shaft 200, and a plurality of wedge-shaped grooves for engaging with the rotating plates 210 are disposed on an inner wall of the first gear 910, and are sequentially disposed along a circumferential direction of the first gear 910, and the wedge-shaped grooves engage with the rotating plates 210 so that the first gear 910 can only rotate relative to the central shaft 200 along a first direction, and the central shaft 200 can rotate synchronously with the first gear 910 along a second direction. When the first gear 910 rotates along the first direction, the edge of the wedge-shaped groove presses the rotating piece 210 into the groove 220, so that the first gear 910 can rotate smoothly along the first direction relative to the shaft core shaft, when the first gear 910 rotates along the second direction, the rotating piece 210 is abutted against the wedge-shaped groove, and at this time, the first gear 910 drives the shaft core 200 to rotate along the second direction.
In this embodiment, the clockwise direction in fig. 1 may be set as the first direction, and the counterclockwise direction in fig. 1 may be set as the second direction.
The second gear 920 is rotatably connected to the central shaft 200, and the second gear 920 and the first gear 910 are spaced apart from each other, so that the rotation between the second gear 920 and the first gear 910 is not affected. The first support frame 310 is rotatably connected with the central shaft 200, the first support frame 310 is positioned on one side of the second gear 920, which is far away from the first gear 910, and the first support frame 310 is fixedly connected with the second gear 920, so that the first support frame 310 can synchronously rotate along with the second gear 920; the second supporting frame 320 is rotatably connected to the central shaft 200, the second supporting frame 320 is located between the first gear 910 and the second gear 920, the second supporting frame 320 and the second gear 920 are arranged at an interval, and the second supporting frame 320 is fixedly connected to the first gear 910, so that the second supporting frame 320 can rotate synchronously with the first gear 910. Initially, the first support frame 310 and the second support frame 320 are located close to each other, when the first gear 910 rotates in the first direction, the first support frame 310 and the second support frame 320 move away from each other, and when the first gear 910 rotates in the second direction, the first support frame 310 and the second support frame 320 move close to each other.
The guide block 400 is mounted on the central shaft 200, the guide block 400 is located on one side of the first support frame 310, which is far away from the second gear 920, the guide block 400 and the first support frame 310 are arranged at intervals, a guide groove for mounting an iron core is formed in the guide block 400, and the guide groove is formed along the circumferential direction of the guide block 400; the third supporting frame 330 is installed on the base 100, and the third supporting frame 330 is located between the first supporting frame 310 and the second supporting frame 320.
The control assembly 500 includes a connecting plate 510, a first rack 520 and a second rack 530, the connecting plate 510 is located between the first rack 520 and the second rack 530, the connecting plate 510 is slidably connected to the base 100, when the connecting plate 510 slides, the first rack 520 and the second rack 530 slide synchronously with the connecting plate 510, the first rack 520 and the second rack 530 are respectively located at two sides of the central shaft 200, the first rack 520 is engaged with the first gear 910, at this time, the first rack 520 is located below the first support frame 310 and does not affect the rotation of the first support frame 310, the second rack 530 is engaged with the second gear 920, at this time, the second rack 530 is located below the second support frame 320 and does not affect the rotation of the second support frame 320. When the connecting plate 510 moves in a direction away from the central shaft 200, the first gear 910 rotates in a first direction, and the second gear 920 rotates in a second direction, so that the first support frame 310 and the second support frame 320 move away from each other; when the connecting plate 510 approaches the central shaft 200, the first gear 910 rotates in the second direction, and the second gear 920 rotates in the first direction, so that the first support frame 310 and the second support frame 320 approach each other.
The fixing and compressing assembly 600 is mounted on the third supporting frame 330, and the output end of the fixing and compressing assembly 600 is arranged towards the guide block 400; two rotary compressing assemblies 700 are respectively installed at the first supporting frame 310 and the second supporting frame 320, and the output ends of the rotary compressing assemblies 700 are disposed toward the guide blocks 400. Utilize the fixed subassembly 600 that compresses tightly that is located on third support frame 330 to fix the middle part of iron core, when two rotatory subassemblies 700 that compress tightly rotate, can be curved the iron core, the guide way has the effect of direction this moment, and simultaneously, the guide way still has plastic effect to with the cooperation of rotatory subassembly 700 that compresses tightly, improve the yield.
The motor core bending device disclosed in the embodiment can fix the iron core by utilizing the fixed pressing component 600, and the pressure formed when the rotary pressing component 700 rotates around the central shaft 200 is recycled, so that the iron core can be bent, the motor core bending device can effectively improve the working efficiency and reduce the labor cost, and meanwhile, the guide block 400, the fixed pressing component 600 and the rotary pressing component 700 are matched to improve the yield, so that the production cost is saved.
Wherein, the guide way can set up to the annular along the circumference of guide block 400, and the guide block 400 that is the penetrating form of ring is all very convenient when the straight iron core of installation or getting crooked shape iron core.
In this embodiment, a first supporting block 110 and a second supporting block 120 may be disposed on the base 100, the first rack 520 is slidably connected to the first supporting block 110, and the second rack 530 is slidably connected to the second supporting block 120. Since the first rack 520 is engaged with the first gear 910 and the second rack 530 is engaged with the second gear 920, the first rack 520 is positioned lower than the second rack 530, and when the first and second support blocks 110 and 120 are disposed, the second support block 120 may be positioned higher than the first support block 110 so as to support the first and second racks 520 and 530.
The rotary compressing assembly 700 can comprise a rotary compressing cylinder, a rotary telescopic shaft and a second compressing part, the rotary telescopic shaft is installed at the output end of the rotary compressing cylinder, the rotary compressing cylinder drives the rotary telescopic shaft to stretch and move in the working process, the rotary telescopic shaft drives the second compressing part to synchronously move, the rotary telescopic shaft moves along the radial direction of the guide block 400, the second compressing part is connected with one end of the rotary telescopic shaft facing the guide block 400, the two rotary compressing assemblies 700 are respectively installed on the first support frame 310 and the second support frame 320, and the second compressing part and the first compressing part 630 are located on the same circumference.
Specifically, the first pressing member 630 includes a first mounting portion 631 and a first runner 632, the first mounting portion 631 is mounted at an end of the fixed telescopic shaft 620 facing the guide block 400, the first runner 632 is rotatably connected to the first mounting portion 631, and a rotation axis of the first runner 632 is parallel to an axis of the central shaft 200. In order to facilitate fixing of the iron core, the first pulley 632 may be provided in plurality, that is, two, three or more first pulleys 632 may be provided. When the first pulley 632 is provided in plural, a connecting line of the plural first pulleys 632 may be in an arc shape, and the arc shape is coaxial with the guide block 400.
The second compressing member includes a second mounting portion and a second runner, the second mounting portion is mounted at one end of the rotary telescopic shaft facing the guide block 400, the second runner is rotatably connected with the second mounting portion, and the rotation axis of the second runner is parallel to the axis of the central shaft 200. When the second rotating wheel is used for compressing and deforming the iron core, the second rotating wheel can rotate on the surface of the iron core along with the rotation of the first support frame 310 and the second support frame 320, so that the abrasion of the iron core is reduced.
In some embodiments of the present embodiment, the motor core bending apparatus further includes a limiting assembly 830, and the limiting assembly 830 includes a first slider 810, a second slider 820, a second elastic member 850, and a connecting member 840.
Further, the position limiting assembly 830 may further include a third slider 830, the third slider 830 is slidably connected to the base 100, a sliding direction of the third slider 830 is perpendicular to a sliding direction of the second rack 530, a sliding direction of the second slider 820 is perpendicular to a sliding direction of the first rack 520, the third slider 830 and the second slider 820 are located on the same straight line, and the second rack 530 is higher than the first rack 520, so that a height of the third slider 830 may be greater than a height of the second slider 820.
The second elastic element 850 may be installed between the second slider 820 and the third slider 830, and the second elastic element 850 may be a spring in a compressed state, the second elastic element 850 makes the second slider 820 and the third slider 830 have a tendency of being away from each other, the second rack 530 is provided with a second positioning groove 531 for cooperating with the third slider 830, the second positioning groove 531 is arranged in parallel with the first positioning groove 521, and projections of the second positioning groove 531 and the first positioning groove 521 on the base 100 are located on the same straight line, so as to cooperate with the second slider 820 and the third slider 830.
The connecting pieces 840 may be pull ropes, two connecting pieces 840 are provided, the two connecting pieces 840 are respectively connected with the second slider 820 and the third slider 830, and the connecting pieces 840 are connected to opposite ends of the second slider 820 and the third slider 830.
In addition, a first inclined surface 821 may be further disposed on the second slider 820, a second inclined surface 831 may be disposed on the third slider 830, the first inclined surface 821 is located at an end of the second slider 820 facing away from the third slider 830, and the first inclined surface 821 is located at a side of the second slider 820 facing the central shaft 200; the second inclined surface 831 is located at an end of the third slider 830 facing away from the second slider 820, and the second inclined surface 831 is located at a side of the third slider 830 facing the central axis 200.
In the process that the connecting plate 510 is far away from the central shaft 200 and approaches, the first rack 520 is always in contact with and abutted against the second slider 820, the second rack 530 is always in contact with and abutted against the third slider 830, when the connecting plate 510 is further far away from the central shaft 200, the first inclined surface 821 is in contact with the side wall of the first positioning groove 521, and the second inclined surface 831 is in contact with the side wall of the second positioning groove 531, so that the second slider 820 can slowly enter the first positioning groove 521, and the third slider 830 can slowly enter the second positioning groove 531 in an ohm manner, so that an excessively strong impact is avoided.
In this embodiment, the range occupied by the first inclined surface 821 on the second slider 820 is smaller than the recessed depth of the first positioning groove 521, and the range occupied by the second inclined surface 831 on the third slider 830 is smaller than the recessed depth of the second positioning groove 531. After the second slider 820 is clamped into the first positioning groove 521, the first inclined surface 821 is not in contact with the notch of the first positioning groove 521 any more, and after the third slider 830 is clamped into the second positioning groove 531, the second inclined surface 831 is not in contact with the notch of the second positioning groove 531 any more, so that the second slider 820 and the third slider 830 can be prevented from exiting from the first positioning groove 521 and the second positioning groove 531 when being subjected to a force in a direction parallel to the first rack 520, and the limiting assembly 830 can be locked to the control assembly 500 more firmly.
When the first rack 520 pushes the second slider 820 to move, the second rack 530 pushes the third slider 830 to move, and the second slider 820 and the third slider 830 are close to each other, so that the first rack 520 and the second rack 530 can continue to advance, and when the first rack 520 and the second rack 530 advance to the first positioning groove 521 to align with the second slider 820 and the second positioning groove 531 aligns with the third slider 830, the second slider 820 is clamped into the first positioning groove 521 under the action of the second elastic member 850, and the third slider 830 is close to the second positioning groove 531.
In some embodiments of the present embodiment, the movement of the connection plate 510 may be controlled by a control cylinder.
The motor core bending device disclosed in the embodiment works as follows:
initially, the connecting member 840 is located at a position close to the central shaft 200, at this time, the first support frame 310 and the second support frame 320 are close to each other and located at two sides of the third support frame 330, respectively, at this time, the iron core can be installed, after the straight iron core is installed in the guide groove on the guide block 400, the fixed pressing assembly 600 works, the iron core is pressed on the guide block 400 by using the first pressing member 630, and then the two rotary pressing assemblies 700 work, the iron core near the fixed pressing assembly 600 is bent, and the iron core of the part is attached to the guide groove;
then, the cylinder is controlled to work, the connecting plate 510 is far away from the central shaft 200, in the process, the first gear 910 drives the second support frame 320 to rotate along the first direction, the second gear 920 drives the first support frame 310 to rotate along the second direction, the rotary pressing assembly 700 bends the iron core, and the edge of the wedge-shaped groove presses the rotating sheet 210 into the groove 220, so that the central shaft 200 cannot rotate along with the first gear 910 along the first direction;
when the connecting member 840 moves to a position farthest from the central shaft 200, the second slider 820 is clamped into the first positioning groove 521, and the third slider 830 is clamped into the second positioning groove 531, so that the control assembly 500 is positioned and locked, and the bending of the iron core is just completed, so that the whole iron core is bent and completely attached to the guide groove;
then, the rotating pressing assembly 700 and the fixed pressing assembly 600 operate to enable the first pressing member 630 and the second pressing member to leave the iron core, when the fixed pressing member operates, the first mounting portion 631 pushes the first slider 810 to slide towards the fixed pressing cylinder 610, at this time, the first slider 810 drives the second slider 820 and the third slider 830 to move through the connecting member 840, the second slider 820 and the third slider 830 are enabled to approach each other to enable the second slider 820 to leave the range of the first positioning groove 521, the third slider 830 leaves the range of the second positioning groove 531, at this time, the control assembly 500 is unlocked and can move;
after the first pressing member 630 and the second pressing member completely leave the iron core, the control cylinder controls the connecting member 840 to move towards the central shaft 200, at this time, the first gear 910 drives the second supporting frame 320 to rotate along the second direction, the second gear 920 drives the first supporting frame 310 to rotate along the first direction, at this time, because the edge of the wedge-shaped groove can be just clamped with the rotating sheet 210, the central shaft 200 can rotate along the second direction along with the first gear 910, and the guide block 400 can rotate along with the central shaft 200, so that the bent iron core leaves the range of the fixed pressing assembly 600 and the rotary pressing assembly 700, when the iron core is taken down, a new straight iron core can be installed at one end of the guide block 400 facing the fixed pressing assembly 600, and therefore, the efficiency is improved. And then, the steps are repeated.
In this embodiment, when the connecting member 840 is moved from a position away from the central shaft 200 to a position close to the central shaft 200, the central shaft 200 and the guide block 400 are rotated by exactly 180 degrees or 120 degrees, so that the installation and the removal are convenient and have no influence on each other.
After the fixed subassembly 600 that compresses tightly leaves the scope of iron core completely, the connecting piece 840 can only move towards center pin 200, and center pin 200 can only drive guide block 400 and the iron core rotates this moment, can avoid iron core and fixed subassembly 600 between produce the friction that compresses tightly to avoid causing wearing and tearing to the iron core.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An electric machine core bending apparatus, comprising:
a base;
the central shaft is rotatably connected with the base, a groove, a first elastic piece and a rotating piece are arranged on the central shaft, the rotating piece is rotatably connected with the central shaft, the rotating axis of the rotating piece is parallel to the axis of the central shaft, the rotating piece is positioned at the notch of the groove, the first elastic piece is arranged between the groove bottom of the groove and the rotating piece, and the first elastic piece enables the rotating piece to have a tendency of rotating towards the outside of the groove;
the first gear is rotationally connected with the central shaft, and a wedge-shaped groove matched with the rotating sheet is formed in the inner wall of the first gear;
the second gear is rotationally connected with the central shaft and is arranged at intervals with the first gear;
the first support frame is fixedly connected with the second gear;
the second support frame is fixedly connected with the first gear;
a guide block mounted to the central shaft;
the third support frame is arranged on the base and is positioned between the first support frame and the second support frame;
the control assembly is used for controlling the first gear and the second gear to rotate reversely;
the fixed pressing assembly is arranged on the third supporting frame, and the output end of the fixed pressing assembly faces the guide block;
the two rotary compressing assemblies are respectively arranged on the first support frame and the second support frame, and the output ends of the rotary compressing assemblies face the guide block.
2. The motor core bending apparatus according to claim 1, wherein the control assembly comprises a connecting plate, a first rack, and a second rack, the connecting plate is located between the first rack and the second rack, and the first rack and the second rack are respectively located on two sides of the central shaft, the connecting plate is slidably connected to the base, the first rack is engaged with the first gear, and the second rack is engaged with the second gear.
3. The motor core bending apparatus according to claim 2, wherein the base is provided with a first support block and a second support block, the first rack is slidably connected to the first support block, and the second rack is slidably connected to the second support block.
4. The motor core bending device according to claim 3, wherein the fixed compression assembly comprises a fixed compression cylinder, a fixed telescopic shaft and a first compression member, the fixed compression cylinder is mounted on the third support frame, the fixed telescopic shaft is mounted at an output end of the fixed compression cylinder, the fixed telescopic shaft moves along a radial direction of the guide block, and the first compression member is connected with one end, facing the guide block, of the fixed telescopic shaft; the rotary compressing assembly comprises a rotary compressing cylinder, a rotary telescopic shaft and a second compressing piece, the rotary telescopic shaft is installed at the output end of the rotary compressing cylinder, the rotary telescopic shaft moves along the radial direction of the guide block, the second compressing piece faces towards one end of the guide block, the rotary compressing assembly is installed on the first support frame and the second support frame respectively, and the second compressing piece and the first compressing piece are located on the same circumference.
5. The motor core bending apparatus according to claim 4, wherein the first pressing member includes a first mounting portion and a first runner, the first mounting portion is mounted at an end of the fixed telescopic shaft facing the guide block, the first runner is rotatably connected to the first mounting portion, and a rotation axis of the first runner is parallel to an axis of the central shaft; the second compresses tightly the piece and includes second installation department and second runner, the second installation department install in rotatory telescopic shaft orientation the one end of guide block, the second runner with the second installation department rotates to be connected, the axis of rotation of second runner with the axis of center pin is parallel.
6. The motor core bending apparatus according to claim 5, further comprising a limiting assembly, the limiting assembly comprising:
the first sliding block is connected with the base in a sliding mode, the sliding direction of the first sliding block is the same as that of the first installation part, one end of the first sliding block is located on the sliding path of the first installation part, and the first sliding block is located on one side, facing the fixed pressing cylinder, of the first installation part;
the second sliding block is connected with the base in a sliding mode, and the sliding direction of the second sliding block is inclined or perpendicular to the sliding direction of the first rack;
a second elastic member that causes the second slider to have a tendency to slide toward the first support block;
the second sliding block is connected with the first sliding block through the connecting piece;
the first rack is provided with a first positioning groove used for being matched with the second sliding block, and when the first installation part pushes the first sliding block to move towards the fixed pressing cylinder to slide, the second sliding block exits from the range of the first positioning groove.
7. The motor core bending apparatus according to claim 6, wherein the limiting assembly further comprises a third slider, the third slider is slidably connected to the base, a sliding direction of the third slider is perpendicular to a sliding direction of the second rack, a sliding direction of the second slider is perpendicular to a sliding direction of the first rack, the second elastic member is installed between the second slider and the third slider, the second slider and the third slider are forced to move away from each other by the second elastic member, and a second positioning groove for being engaged with the third slider is formed in the second rack.
8. The motor core bending apparatus according to claim 7, wherein an end of the second slider facing away from the third slider is provided with a first inclined surface, and the first inclined surface is located on a side of the second slider facing the central shaft; one end, deviating from the second slider, of the third slider is provided with a second inclined plane, and the second inclined plane is located on one side, facing the central shaft, of the third slider.
9. The motor core bending apparatus according to claim 8, wherein the two connecting members are pull ropes, the two connecting members are respectively connected to the second slider and the third slider, and the connecting members are connected to opposite ends of the second slider and the third slider.
10. The electric machine core bending apparatus according to claim 8, wherein the first slope occupies a range on the second slider that is smaller than a depression depth of the first positioning groove, and the second slope occupies a range on the third slider that is smaller than a depression depth of the second positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423956.2A CN113118268A (en) | 2021-04-20 | 2021-04-20 | Motor core bending equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423956.2A CN113118268A (en) | 2021-04-20 | 2021-04-20 | Motor core bending equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113118268A true CN113118268A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110423956.2A Pending CN113118268A (en) | 2021-04-20 | 2021-04-20 | Motor core bending equipment |
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| Country | Link |
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| CN (1) | CN113118268A (en) |
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| US20030019270A1 (en) * | 2000-02-17 | 2003-01-30 | Norio Kobayashi | Bending machine |
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