CN109586522B - Motor rotor conducting bar double-end automatic bending machine and bending method - Google Patents
Motor rotor conducting bar double-end automatic bending machine and bending method Download PDFInfo
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- CN109586522B CN109586522B CN201811475566.4A CN201811475566A CN109586522B CN 109586522 B CN109586522 B CN 109586522B CN 201811475566 A CN201811475566 A CN 201811475566A CN 109586522 B CN109586522 B CN 109586522B
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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
- H02K15/0056—Manufacturing winding connections
- H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
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Abstract
The invention discloses a motor rotor guide bar double-end automatic bending machine and a bending method, wherein the motor rotor guide bar double-end automatic bending machine comprises a hydraulic power station, two end part forming systems and a program control module; the program control module acquires a drawing of a target motor rotor guide bar, identifies the size of the target motor rotor guide bar needing to be bent according to the drawing in a stored database, and correspondingly sends a corresponding control signal to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent; the hydraulic power station receives the control signal and outputs power to drive the end forming system to supply output power; and the end part forming system receives the control signal and performs bending and arc pressing actions on the target motor rotor conducting bar through the moving action, and finally the target motor rotor conducting bar is formed. The motor rotor guide bar double-end automatic bending machine and the bending method provided by the invention have the advantages that the operation is automatic, the manual labor of body knocking force is completely replaced, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of bending of motor rotor guide bars, in particular to a motor rotor guide bar double-end automatic bending machine and a bending method.
Background
Rotor windings are known to fall into two broad categories, cage and wound. In the winding type rotor structure, a three-phase winding composed of insulated wires (or insulating conducting bars) is embedded in a groove of the winding type rotor, and three outlet ends of the winding are connected to three collecting rings arranged on a rotating shaft and then led out through electric brushes. Wherein, the rotor conducting bar needs to be formed at the two ends for connecting before inserting the wire, as shown in the following figure 1.
However, the existing rotor conducting bar forming mode still adopts manual two-end forming respectively, obviously, the manual action forming mode is poor in consistency and low in efficiency, and burrs are easily generated to cause insulation failure.
Disclosure of Invention
The invention aims to provide a motor rotor conducting bar double-end automatic bending machine and a bending method, which aim to solve the problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a motor rotor conducting bar double-end automatic bending machine which comprises a hydraulic power station, two end part forming systems and a program control module, wherein the hydraulic power station is connected with the two end part forming systems;
the program control module is used for acquiring a drawing of a target motor rotor guide bar, identifying the size of the target motor rotor guide bar needing to be bent according to the drawing in a stored database, and correspondingly sending a corresponding control signal to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent;
the hydraulic power station is used for receiving a control signal and outputting power to drive the end part forming system to supply output power;
and the end part forming system is used for receiving the control signal, bending and pressing an arc to the target motor rotor conducting bar through moving action, and finally forming the target motor rotor conducting bar.
Preferably, as one possible embodiment; the motor rotor guide bar double-end automatic bending machine further comprises a track; the rail is connected between the two end molding systems.
Preferably, as one possible embodiment; the end part forming system comprises a hydraulic oil cylinder assembly, a bending die assembly and a limiting die assembly; the hydraulic oil cylinder assembly is used for driving the bending die assembly, and then the bending die assembly is used for extruding a target motor rotor conducting bar; and the limiting die assembly is used for being matched with the bending die assembly to limit the extruded target motor rotor conducting bar, so that the target motor rotor conducting bar is ensured to be bent and molded.
Preferably, as one possible embodiment; the hydraulic oil cylinder assembly of the end part molding system comprises a first oil cylinder, a second oil cylinder and a third oil cylinder; the bending die assembly comprises a first bending die, a second bending die and a third bending die; the limiting die assembly comprises a first limiting die, a second limiting die and a third limiting die;
the first oil cylinder is connected with the first bending die; the first oil cylinder is used for driving a first bending die to perform first extrusion operation on a target motor rotor conducting bar; simultaneously, the first bending die is matched with the first limiting die and is used for carrying out first limiting bending forming operation on the target motor rotor conducting bar extruded for the first time;
the second oil cylinder is connected with the second bending die; the second oil cylinder is used for driving a second bending die to perform second extrusion operation on the target motor rotor conducting bar; meanwhile, the second bending die is matched with the second limiting die and is used for carrying out secondary limiting bending forming operation on the target motor rotor conducting bar extruded for the second time;
the third oil cylinder is connected with the third bending die; the third oil cylinder is used for driving a third bending die to perform third extrusion operation on the target motor rotor conducting bar; simultaneously, the third bending die is matched with the third limiting die and is used for carrying out third limiting bending forming operation on the target motor rotor conducting bar extruded for the third time;
the extrusion propulsion direction of the first oil cylinder and the extrusion propulsion direction of the third oil cylinder are both positioned on the same horizontal plane, the extrusion propulsion direction of the first oil cylinder is perpendicular to the extension direction of the track, and the extrusion propulsion direction of the third oil cylinder is parallel to the extension direction of the track; the second oil cylinder is arranged between the first oil cylinder and the third oil cylinder, and the extrusion propulsion direction of the second oil cylinder extends along the vertical direction.
Preferably, as one possible embodiment; each of the end molding systems further comprises a securing module; the extending direction of the fixing module is consistent with the extending direction of the track; and the fixing module is used for fixing the target motor rotor conducting bar before bending.
Preferably, as one possible embodiment; each of the end molding systems further includes a stationary base frame; the hydraulic oil cylinder assembly, the bending die assembly and the limiting die assembly are fixedly connected to the surface of the fixed underframe.
Preferably, as one possible embodiment; and wear-resistant coatings are coated on the surfaces of the hydraulic oil cylinder assembly, the bending die assembly and the limiting die assembly.
Preferably, as one possible embodiment; the program control module is a singlechip programmable control system or a PLC programmable controller.
The invention also provides a bending method, which utilizes the motor rotor conducting bar double-end automatic bending machine to perform bending operation on a target motor rotor conducting bar, and comprises the following operation steps:
step S1: adjusting the positions of the two sets of end forming systems according to the linear length of the rotor conducting bar of the target motor and fixing the end forming systems on a fixing module between the two sets of end forming systems;
step S2: the program control module acquires a drawing of a target motor rotor guide bar, identifies the size of the target motor rotor guide bar needing to be bent according to the existing database of the drawing, and correspondingly sends corresponding control signals to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent;
step S3: the hydraulic power station receives the control signal and outputs power to drive the end part forming system to supply output power;
step S4: and the end part forming system receives the control signal, bends and presses an arc on the target motor rotor conducting bar through moving, and finally forms the target motor rotor conducting bar.
Preferably, as one possible embodiment; step S4 specifically includes the following operation steps:
step S41: starting a first oil cylinder, pushing a first bending die to tightly press a target motor rotor conducting bar on a first limiting die, and carrying out first limiting bending forming operation on the target motor rotor conducting bar;
step S42: the second oil cylinder is started again, the second bending die is pushed to tightly press the target motor rotor conducting bar on the second limiting die, and the target motor rotor conducting bar is subjected to secondary limiting bending forming operation;
step S43: and the third oil cylinder is restarted to push a third bending die to tightly press the target motor rotor conducting bar on a third limiting die, and third limiting bending forming operation is carried out on the target motor rotor conducting bar.
Compared with the prior art, the embodiment of the invention has the advantages that:
the invention provides a motor rotor conducting bar double-end automatic bending machine and a bending method;
on one hand, the invention relates to a motor rotor conducting bar double-end automatic bending machine; the main structure of the motor rotor conducting bar double-end automatic bending machine is analyzed, and the following results are obtained: the motor rotor guide bar double-end automatic bending machine comprises a hydraulic power station, two end part forming systems and a program control module;
the program control module is used for acquiring a drawing of a target motor rotor guide bar, identifying the size of the target motor rotor guide bar needing to be bent according to the drawing in a stored database, and correspondingly sending corresponding control signals to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent; the hydraulic power station is used for receiving a control signal and outputting power to drive the end part forming system to supply output power; and the end part forming system is used for receiving the control signal, bending and pressing an arc to the target motor rotor conducting bar through moving action, and finally forming the target motor rotor conducting bar.
The program control module transmits a control signal to the hydraulic power station so as to output power and drive the end part forming system, and the end part forming system is equipment for directly performing bending and arc pressing actions on a target motor rotor; after the end part forming system receives the control signal, the motor rotor conducting bar is bent and pressed to be arc by moving, and finally the designed conducting bar bending effect is formed.
In the technical scheme, the end part forming system is specially designed according to the bending drawing of the motor rotor conducting bar identified by the program control module so as to achieve the bending effect. The program control module is therefore said to be the critical control section. The program control module is a programmable controller, corresponding programs can be stored according to the sizes of different rotor conducting bars, the purpose of respectively forming the rotor conducting bars with different sizes in batches is achieved, the forming process is automatically controlled by the controller, and one-key forming is achieved. In conclusion, the automatic double-end bending machine for the motor rotor guide bar has the advantages of simple structure, automatic operation, complete replacement of manual labor for shape knocking, and improvement of operation efficiency.
In another aspect, the present invention further provides a bending method, which mainly comprises three steps of operations;
step S1: adjusting the positions of the two sets of end forming systems according to the linear length of the rotor conducting bar of the target motor and fixing the end forming systems on a fixing module between the two sets of end forming systems;
step S2: the program control module acquires a drawing of a target motor rotor guide bar, identifies the size of the target motor rotor guide bar needing to be bent according to the existing database of the drawing, and correspondingly sends corresponding control signals to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent;
step S3: the hydraulic power station receives the control signal and outputs power to drive the end part forming system to supply output power;
step S4: and the end part forming system receives the control signal, bends and presses an arc on the target motor rotor conducting bar through moving, and finally forms the target motor rotor conducting bar.
The invention also provides a bending method, which is designed by adopting a brand new processing method, has simple and convenient field operation steps, and has the technical advantages of high processing efficiency, reliable bending and forming effects, strong practicability and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a connection structure of a plurality of rotor bars required to be formed at two end portions before inserting wires;
fig. 2 is a schematic perspective view of a two-end automatic bending machine for a rotor bar of a motor according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a motor rotor bar double-end automatic bending machine according to another aspect of the present invention;
fig. 4 is a schematic top view of a motor rotor bar double-end automatic bending machine according to an embodiment of the present invention;
fig. 5 is a schematic partial structural view of a motor rotor bar double-end automatic bending machine according to an embodiment of the present invention;
fig. 6 is a flowchart of a bending method according to a second embodiment of the present invention.
Reference numbers:
an end molding system 1;
a hydraulic ram assembly 11; a first cylinder 111; a second cylinder 112; a third cylinder 113;
a bending die assembly 12; a first bending die 121; a second bending die 122; a third bending die 123;
a limit die assembly 13; a first limit die 131; a second limit die 132; a third limit die 133;
a fixed module 14;
a fixed chassis 15;
a track 2;
target motor rotor bar a.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that certain terms of orientation or positional relationship are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that "connected" is to be understood broadly, for example, it may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example one
As shown in fig. 2, 3 and 4, an embodiment of the invention provides a motor rotor bar double-end automatic bending machine, which comprises a hydraulic power station, two end forming systems 1 and a program control module;
the program control module is used for acquiring a drawing of a target motor rotor guide bar A, identifying the size of the target motor rotor guide bar A needing to be bent according to the drawing in a stored database, and correspondingly sending corresponding control signals to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar A needing to be bent;
the hydraulic power station is used for receiving a control signal and outputting power to drive the end part forming system to supply output power;
the end part forming system 1 is used for receiving the control signal, bending and arc pressing actions are carried out on the target motor rotor conducting bar A through moving actions, and finally the target motor rotor conducting bar A is formed.
The main structure of the motor rotor conducting bar double-end automatic bending machine is analyzed, and the following results are obtained: the motor rotor guide bar double-end automatic bending machine comprises a hydraulic power station, two end part forming systems and a program control module;
the program control module is used for acquiring a drawing of a target motor rotor guide bar, identifying the size of the target motor rotor guide bar needing to be bent according to the drawing in a stored database, and correspondingly sending corresponding control signals to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent; the hydraulic power station is used for receiving a control signal and outputting power to drive the end part forming system to supply output power; and the end part forming system is used for receiving the control signal, bending and pressing an arc to the target motor rotor conducting bar through moving action, and finally forming the target motor rotor conducting bar.
The program control module transmits a control signal to the hydraulic power station so as to output power and drive the end part forming system, and the end part forming system is equipment for directly performing bending and arc pressing actions on a target motor rotor; after the end part forming system receives the control signal, the motor rotor conducting bar is bent and pressed to be arc by moving, and finally the designed conducting bar bending effect is formed.
In the technical scheme, the end part forming system is specially designed according to the bending drawing of the motor rotor conducting bar identified by the program control module so as to achieve the bending effect. The program control module is therefore said to be the critical control section. The program control module is a programmable controller, corresponding programs can be stored according to the sizes of different rotor conducting bars, the purpose of respectively forming the rotor conducting bars with different sizes in batches is achieved, the forming process is automatically controlled by the controller, and one-key forming is achieved. In conclusion, the automatic double-end bending machine for the motor rotor guide bar has the advantages of simple structure, automatic operation, complete replacement of manual labor for shape knocking, and improvement of operation efficiency.
The following detailed description is provided for the specific structure and specific technical effects of the motor rotor conducting bar double-end automatic bending machine provided by the embodiment of the present invention:
preferably, as one possible embodiment; the motor rotor guide bar double-end automatic bending machine further comprises a track 2; the track 2 is connected between the two end forming systems 1 (the partial structure of the motor rotor guide bar double-end automatic bending machine can be seen in fig. 5).
It should be noted that the track is arranged between the two end molding systems, and the target motor rotor conducting bar is installed on the track to realize the guiding and transmitting action of the motor rotor conducting bar between the two end molding systems.
Preferably, as one possible embodiment; as shown in fig. 2-4, the end molding system 1 includes a hydraulic ram assembly 11, a bending die assembly 12 and a stop die assembly 13; the hydraulic oil cylinder assembly 11 is used for driving the bending die assembly 12, and then the bending die assembly 12 is used for extruding a target motor rotor guide bar A; and the limiting die assembly 13 is used for being matched with the bending die assembly to limit the extruded target motor rotor conducting bar A, so that the target motor rotor conducting bar A is guaranteed to be bent and formed.
It should be noted that, in the specific structure of the end portion molding system, two sets of end portion molding systems at two ends are formed by combining the hydraulic cylinder assembly, the bending die assembly and the limiting die assembly, and the two sets of end portion molding systems are connected through the rail.
Preferably, as one possible embodiment; as shown in fig. 2-4, the hydraulic ram assembly 11 of the end molding system includes a first ram 111, a second ram 112, and a third ram 113; the bending die assembly 12 includes a first bending die 121, a second bending die 122, a third bending die 123; the limiting die assembly 13 comprises a first limiting die 131, a second limiting die 132 and a third limiting die 133;
the first oil cylinder 111 is connected with the first bending die 121; the first oil cylinder 111 is used for driving a first bending die 121 to perform first extrusion operation on a target motor rotor conducting bar A; meanwhile, the first bending die 121 is matched with the first limiting die 131 and is used for performing first limiting bending forming operation on the target motor rotor conducting bar a extruded for the first time;
the second oil cylinder 112 is connected with the second bending mould 122; the second oil cylinder 112 is used for driving a second bending die 122 to perform a second extrusion operation on the target motor rotor conducting bar a; meanwhile, the second bending die 122 is matched with the second limiting die 132 and is used for performing a second limiting bending forming operation on the target motor rotor conducting bar a extruded for the second time;
the third oil cylinder 113 is connected with the third bending mould 123; the third oil cylinder 113 is used for driving a third bending die 123 to perform third extrusion operation on the target motor rotor conducting bar a; meanwhile, the third bending die 123 is matched with the third limiting die 133 and is used for performing third limiting bending molding operation on the target motor rotor conducting bar a extruded for the third time;
the extrusion propulsion direction of the first oil cylinder 111 and the extrusion propulsion direction of the third oil cylinder 113 are both located on the same horizontal plane, the extrusion propulsion direction of the first oil cylinder 111 is perpendicular to the extension direction of the track 2, and the extrusion propulsion direction of the third oil cylinder 113 is parallel to the extension direction of the track 2; the second cylinder 112 is disposed between the first cylinder 111 and the third cylinder 113, and a pressing direction of the second cylinder 112 extends along a vertical direction (i.e., the pressing direction of the second cylinder 112 is perpendicular to a horizontal plane where the first cylinder 111 and the third cylinder 113 are located).
It should be noted that, in the specific technical solution of the embodiment of the present invention, each end portion forming system is composed of three major component parts, namely, a hydraulic cylinder component, a bending die component and a limiting die component; the hydraulic oil cylinder assembly comprises a first oil cylinder, a second oil cylinder and a third oil cylinder; the bending die assembly comprises a first bending die, a second bending die and a third bending die; the limiting die assembly comprises a first limiting die, a second limiting die and a third limiting die; the first oil cylinder is connected with the first bending die; the first oil cylinder is used for driving the first bending die to perform first extrusion operation on a target motor rotor conducting bar (note that the extrusion operation is performed, and meanwhile the first limiting die is touched to achieve limiting bending); the first bending die is matched with the first limiting die and is used for carrying out first limiting bending forming operation on the target motor rotor conducting bar extruded for the first time; therefore, the first oil cylinder, the first bending die and the first limiting die are matched with each other, and the complete first extrusion, limiting and bending forming operation of the rotor conducting bar of the target motor can be realized. Then the target motor rotor conducting bar enters a device part formed by a second oil cylinder, a second bending die and a second limiting die, and second extrusion, limiting and bending forming operations are carried out; and finally, the target motor rotor conducting bar enters a device part formed by a third oil cylinder, a third bending die and a third limiting die, third extrusion, limiting and bending forming operations are performed, and third bending operations on one end of the target motor rotor conducting bar are completed. The two end part forming systems can respectively and simultaneously carry out bending forming operation on the target motor rotor conducting bars.
It should be noted that the layout of the two end molding systems on the respective corresponding fixed base frames has the following corresponding relationship; i.e. the structural layout of one of the end moulding systems is rotated 90 degrees relative to the centre point between the two end moulding systems and is identical to the structural layout of the other end moulding system.
Preferably, as one possible embodiment; as shown in fig. 2-4, each of the end molding systems 1 further includes a fixing module 14; the extending direction of the fixed module 14 is consistent with the extending direction of the track; the fixing module 14 is used for fixing the target motor rotor conducting bar before bending.
And each of said end moulding systems 1 further comprises a fixed base frame 15; the hydraulic oil cylinder assembly 11, the bending die assembly 12 and the limiting die assembly 13 are fixedly connected to the surface of the fixed base frame 15.
It should be noted that, in a specific technical solution of the embodiment of the present invention, the end portion forming system further includes a fixing module and a fixing chassis; the fixing module is used for fixing the target motor rotor conducting bar before bending; meanwhile, the hydraulic oil cylinder assembly, the bending die assembly and the limiting die assembly can be fixedly connected to the surface of the fixed underframe.
Preferably, as one possible embodiment; and wear-resistant coatings are coated on the surfaces of the hydraulic oil cylinder assembly 11, the bending die assembly 12 and the limiting die assembly 13.
It should be noted that, in the specific technical solution of the embodiment of the present invention, the hydraulic cylinder assembly, the bending die assembly and the limiting die assembly may be made of wear-resistant materials or coated with wear-resistant coatings, which can protect the materials at the same time, and also can ensure the forming consistency of the guide bars and the undamaged surface.
Preferably, as one possible embodiment; the program control module is a singlechip programmable control system or a PLC programmable controller.
It should be noted that, in the specific technical solution of the embodiment of the present invention, the forming control module may select a single chip programmable control system or a PLC programmable controller, and may store corresponding programs according to sizes of different rotor bars, so as to achieve the purpose of batch forming of the rotor bars with different sizes.
Example two
As shown in fig. 6, a second embodiment of the present invention further provides a bending method, which uses the above-mentioned machine for automatically bending two ends of a motor rotor bar to perform a bending operation on a target motor rotor bar, including the following steps:
step S1: adjusting the positions of the two sets of end forming systems according to the linear length of the rotor conducting bar of the target motor and fixing the end forming systems on a fixing module between the two sets of end forming systems;
step S2: the program control module acquires a drawing of a target motor rotor guide bar, identifies the size of the target motor rotor guide bar needing to be bent according to the existing database of the drawing, and correspondingly sends corresponding control signals to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent;
step S3: the hydraulic power station receives the control signal and outputs power to drive the end part forming system to supply output power;
step S4: and the end part forming system receives the control signal, bends and presses an arc on the target motor rotor conducting bar through moving, and finally forms the target motor rotor conducting bar.
Preferably, as one possible embodiment; the step S4 specifically includes the following steps:
step S41: starting a first oil cylinder, pushing a first bending die to tightly press a target motor rotor conducting bar on a first limiting die, and carrying out first limiting bending forming operation on the target motor rotor conducting bar;
step S42: the second oil cylinder is started again, the second bending die is pushed to tightly press the target motor rotor conducting bar on the second limiting die, and the target motor rotor conducting bar is subjected to secondary limiting bending forming operation;
step S43: and the third oil cylinder is restarted to push a third bending die to tightly press the target motor rotor conducting bar on a third limiting die, and third limiting bending forming operation is carried out on the target motor rotor conducting bar. Note 1: when the guide bar is started each time, the two sets of end part forming systems start corresponding parts simultaneously to finish the formation of the two ends of the guide bar. Note 2: different models can be completed by adjusting or replacing the bending die and the limiting block.
The bending method provided by the invention is designed by adopting a brand-new processing method, is simple and convenient in field operation steps, and has the technical advantages of high processing efficiency, reliable bending and forming effects, strong practicability and the like.
The motor rotor conducting bar double-end automatic bending machine and the bending method provided by the embodiment of the invention have the following technical advantages:
the invention provides a motor rotor guide bar double-end automatic bending machine which mainly comprises a hydraulic power station, two end part forming systems, a program control module and the like; the program control module transmits a control signal to the hydraulic power station so as to output power and drive the end part forming system, and the end part forming system is equipment for directly performing bending and arc pressing actions on a target motor rotor; after the end part forming system receives the control signal, the motor rotor conducting bar is bent and pressed to be arc by moving, and finally the designed conducting bar bending effect is formed. Obviously, the connection relationship and the position relationship among the hydraulic power station, the two end part forming systems and the structures of all devices of the program control module have reasonable layout design; therefore, the motor rotor guide bar double-end automatic bending machine provided by the embodiment of the invention has the advantages of more reasonable technical structure and more complete functions.
The end part forming system of the automatic bending machine for the two ends of the motor rotor guide bar is specially designed according to a motor rotor guide bar bending drawing identified by the program control module so as to achieve the bending effect. The program control module is therefore said to be the critical control section. The program control module is a programmable controller, corresponding programs can be stored according to the sizes of different rotor conducting bars, the purpose of respectively forming the rotor conducting bars with different sizes in batches is achieved, the forming process is automatically controlled by the controller, and one-key forming is achieved. In conclusion, the automatic double-end bending machine for the motor rotor guide bar has the advantages of simple structure, automatic operation, complete replacement of manual labor for shape knocking, and improvement of operation efficiency.
The motor rotor guide bar double-end automatic bending machine provided by the invention has the advantages of high electrical reliability, simple structure, less energy consumption, one-to-two operation and maximized utilization; high efficiency and the like.
The invention also provides a bending method, which can effectively solve the problems of the consistency and the burrs of the original conducting bar, and can effectively improve the production efficiency, reduce the production cost and other technical advantages.
Based on the above significant technical advantages, the motor rotor guide bar double-end automatic bending machine and the motor rotor guide bar double-end automatic bending method provided by the invention have the advantages that good market prospect and economic benefit are certainly brought.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A motor rotor guide bar double-end automatic bending machine is characterized by comprising a hydraulic power station, two end part forming systems and a program control module;
the program control module is used for acquiring a drawing of a target motor rotor guide bar, identifying the size of the target motor rotor guide bar needing to be bent according to the drawing in a stored database, and correspondingly sending a corresponding control signal to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent;
the hydraulic power station is used for receiving a control signal and outputting power to drive the end part forming system to supply output power;
the end part forming system is used for receiving the control signal, bending and arc pressing actions are carried out on the target motor rotor conducting bar through moving actions, and finally the target motor rotor conducting bar is formed;
the motor rotor guide bar double-end automatic bending machine further comprises a track; the rail is connected between the two end forming systems;
the end part forming system comprises a hydraulic oil cylinder assembly, a bending die assembly and a limiting die assembly; the hydraulic oil cylinder assembly is used for driving the bending die assembly, and then the bending die assembly is used for extruding a target motor rotor conducting bar; the limiting die assembly is used for being matched with the bending die assembly to limit the extruded target motor rotor conducting bar so as to ensure that the target motor rotor conducting bar is bent and molded;
the hydraulic oil cylinder assembly of the end part molding system comprises a first oil cylinder, a second oil cylinder and a third oil cylinder; the bending die assembly comprises a first bending die, a second bending die and a third bending die; the limiting die assembly comprises a first limiting die, a second limiting die and a third limiting die;
the first oil cylinder is connected with the first bending die; the first oil cylinder is used for driving a first bending die to perform first extrusion operation on a target motor rotor conducting bar; simultaneously, the first bending die is matched with the first limiting die and is used for carrying out first limiting bending forming operation on the target motor rotor conducting bar extruded for the first time;
the second oil cylinder is connected with the second bending die; the second oil cylinder is used for driving a second bending die to perform second extrusion operation on the target motor rotor conducting bar; meanwhile, the second bending die is matched with the second limiting die and is used for carrying out secondary limiting bending forming operation on the target motor rotor conducting bar extruded for the second time;
the third oil cylinder is connected with the third bending die; the third oil cylinder is used for driving a third bending die to perform third extrusion operation on the target motor rotor conducting bar; simultaneously, the third bending die is matched with the third limiting die and is used for carrying out third limiting bending forming operation on the target motor rotor conducting bar extruded for the third time;
the extrusion propulsion direction of the first oil cylinder and the extrusion propulsion direction of the third oil cylinder are both positioned on the same horizontal plane, the extrusion propulsion direction of the first oil cylinder is perpendicular to the extension direction of the track, and the extrusion propulsion direction of the third oil cylinder is parallel to the extension direction of the track; the second oil cylinder is arranged between the first oil cylinder and the third oil cylinder, and the extrusion propulsion direction of the second oil cylinder extends along the vertical direction.
2. The machine of claim 1 wherein the motor rotor bar double ended automatic bending machine,
each of the end molding systems further comprises a securing module; the extending direction of the fixing module is consistent with the extending direction of the track; and the fixing module is used for fixing the target motor rotor conducting bar before bending.
3. The machine of claim 1 wherein the motor rotor bar double ended automatic bending machine,
each of the end molding systems further includes a stationary base frame; the hydraulic oil cylinder assembly, the bending die assembly and the limiting die assembly are fixedly connected to the surface of the fixed underframe.
4. The machine of claim 1 wherein the motor rotor bar double ended automatic bending machine,
and wear-resistant coatings are coated on the surfaces of the hydraulic oil cylinder assembly, the bending die assembly and the limiting die assembly.
5. The machine of claim 1 wherein the motor rotor bar double ended automatic bending machine,
the program control module is a singlechip programmable control system or a PLC programmable controller.
6. A bending method for performing bending operation on a motor rotor bar by using the motor rotor bar double-end automatic bending machine according to any one of claims 1 to 5, comprising the following steps:
step S1: adjusting the positions of the two sets of end forming systems according to the linear length of the rotor conducting bar of the target motor and fixing the end forming systems on a fixing module between the two sets of end forming systems;
step S2: the program control module acquires a drawing of a target motor rotor guide bar, identifies the size of the target motor rotor guide bar needing to be bent according to the existing database of the drawing, and correspondingly sends corresponding control signals to the hydraulic power station and the end part forming system according to the size of the target motor rotor guide bar needing to be bent;
step S3: the hydraulic power station receives the control signal and outputs power to drive the end part forming system to supply output power;
step S4: and the end part forming system receives the control signal, bends and presses an arc on the target motor rotor conducting bar through moving, and finally forms the target motor rotor conducting bar.
7. The bending method according to claim 6, wherein the step S4 comprises the following steps:
step S41: starting a first oil cylinder, pushing a first bending die to tightly press a target motor rotor conducting bar on a first limiting die, and carrying out first limiting bending forming operation on the target motor rotor conducting bar;
step S42: the second oil cylinder is started again, the second bending die is pushed to tightly press the target motor rotor conducting bar on the second limiting die, and the target motor rotor conducting bar is subjected to secondary limiting bending forming operation;
step S43: and the third oil cylinder is restarted to push a third bending die to tightly press the target motor rotor conducting bar on a third limiting die, and third limiting bending forming operation is carried out on the target motor rotor conducting bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475566.4A CN109586522B (en) | 2018-12-04 | 2018-12-04 | Motor rotor conducting bar double-end automatic bending machine and bending method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811475566.4A CN109586522B (en) | 2018-12-04 | 2018-12-04 | Motor rotor conducting bar double-end automatic bending machine and bending method |
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| Publication Number | Publication Date |
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| CN109586522A CN109586522A (en) | 2019-04-05 |
| CN109586522B true CN109586522B (en) | 2020-09-18 |
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|---|---|---|---|---|
| EP1049236B1 (en) * | 1999-04-26 | 2006-05-31 | ALSTOM Technology Ltd | Method and device for bending winding bars |
| CN101908799A (en) * | 2009-06-02 | 2010-12-08 | 上海上电机电设备工程有限公司 | Automatic forming machine for rotor coil of wind generating set |
| CN104901487A (en) * | 2015-07-06 | 2015-09-09 | 南车株洲电机有限公司 | Rotor guide bar bending device |
| CN207968247U (en) * | 2018-01-03 | 2018-10-12 | 海盐龙博直流电机有限公司 | A kind of shaping mechanism of heavy-duty motor armature coil coiling device |
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2018
- 2018-12-04 CN CN201811475566.4A patent/CN109586522B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1049236B1 (en) * | 1999-04-26 | 2006-05-31 | ALSTOM Technology Ltd | Method and device for bending winding bars |
| CN101908799A (en) * | 2009-06-02 | 2010-12-08 | 上海上电机电设备工程有限公司 | Automatic forming machine for rotor coil of wind generating set |
| CN104901487A (en) * | 2015-07-06 | 2015-09-09 | 南车株洲电机有限公司 | Rotor guide bar bending device |
| CN207968247U (en) * | 2018-01-03 | 2018-10-12 | 海盐龙博直流电机有限公司 | A kind of shaping mechanism of heavy-duty motor armature coil coiling device |
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| CN109586522A (en) | 2019-04-05 |
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Effective date of registration: 20200810 Address after: 102200 1st floor, building 2, No.31 yard, Nanyan Road, Nankou Town, Changping District, Beijing Applicant after: Beijing Sany Intelligent Motor Co., Ltd Address before: 102200, Changping District science and Technology Park, Beijing, No. 9, block B, 2207 Applicant before: Sany Group Co.,Ltd. Beijing Branch |
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