CN111953159A - Motor casing machining equipment and using method thereof - Google Patents
Motor casing machining equipment and using method thereof Download PDFInfo
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- CN111953159A CN111953159A CN202010816950.7A CN202010816950A CN111953159A CN 111953159 A CN111953159 A CN 111953159A CN 202010816950 A CN202010816950 A CN 202010816950A CN 111953159 A CN111953159 A CN 111953159A
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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
- H02K15/14—Casings; Enclosures; Supports
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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
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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
- H02K15/16—Centering rotors within the stator; Balancing rotors
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Abstract
The application relates to motor casing processing equipment, it includes lathe bed, main shaft, tailstock, anchor clamps and numerical control sword tower, and anchor clamps are including fixed toper frock and pressure disk, and on the main shaft was located to fixed toper frock is coaxial, and the periphery of fixed toper frock is used for butt stator inner hole wall, and the pressure disk rotates to be connected on the tailstock, the axis of rotation and the coaxial setting of main shaft of pressure disk, and the pressure disk is used for supporting the terminal surface of tight product. This application has and installs the product to motor casing processing equipment to the axis of stator hole is the benchmark, reprocesses the terminal surface of casing, improves the position precision between casing terminal surface and the stator, and then guarantees to install the position precision between cover and the stator on the casing terminal surface, and is corresponding, connects to have good position precision between the rotor on the cover and the stator, is favorable to improving the effect of conical rotor motor's performance.
Description
Technical Field
The application relates to the field of motor production, in particular to motor shell machining equipment and a using method thereof.
Background
An Electric machine (also known as "motor") refers to an electromagnetic device that converts or transmits Electric energy according to the law of electromagnetic induction. A
The conical rotor motor mainly comprises a shell, a stator, a rotor, a cover and other accessories, and an inner hole of the stator and the periphery of the rotor are conical. The conical rotor motor has the capability of self-braking in power failure, and is widely applied to hoisting equipment such as an electric hoist, a winch and the like.
Referring to fig. 1, a stator 01 is pressed into a housing 02 in an interference fit manner, a rotor is rotatably embedded in an inner hole of the stator 01, two ends of the rotor can be rotatably connected with a cover through a bearing, the cover is connected to the end of the housing 02, and then the position between the rotor and the stator 01 is determined.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that the coaxiality of the stator and the housing is low, and further the coaxiality of the stator and the rotor is low, which affects the service performance of the conical rotor motor.
Disclosure of Invention
In order to improve the use performance of the conical rotor motor, the application provides motor shell machining equipment and a use method thereof.
In a first aspect, the application provides a motor casing processing device, which adopts the following technical scheme:
a motor casing machining apparatus comprising:
a bed body;
the main shaft is rotatably arranged on the bed body;
the fixed conical tool is coaxially and fixedly connected to the main shaft, and the periphery of the fixed conical tool is conical so as to be attached to the inner hole wall of the stator;
the pressure plate is arranged on the lathe bed in a sliding mode along the axial direction of the main shaft, the pressure plate and the main shaft are arranged coaxially, and the pressure plate is used for abutting against the axial end face of the stator; and
and the numerical control tool turret is arranged on the lathe bed in a sliding manner and slides along the axial direction and the radial direction of the main shaft, and is used for installing a cutter and machining the end face of the shell by utilizing the cutter.
Through adopting above-mentioned technical scheme, after the stator adopts interference fit's mode to impress the interior formation product of casing, install the product to fixed toper frock on, and the cooperation uses the pressure disk, make the interior pore wall of stator support the periphery of fastening fixed toper frock, realize location and centre gripping, make the axis of stator and the axis coincidence of main shaft, the main shaft drives the product afterwards and rotates, the terminal surface of cutter processing casing, improve the position precision between casing terminal surface and the stator, and then guarantee to install the position precision between cover on the casing terminal surface and the stator, it is corresponding, connect and have good position precision between rotor on the cover and the stator, be favorable to improving the performance of toper rotor motor.
Preferably, the method further comprises the following steps:
the tailstock is arranged on the lathe bed in a sliding mode along the axial direction of the main shaft;
the tip is rotatably arranged on the tailstock, is coaxial with the main shaft and is used for abutting against the end part of the main shaft.
By adopting the technical scheme, the tailstock and the tip are abutted to tightly support the end part of the main shaft, so that the rigidity of the main shaft is improved, the bending deformation of the main shaft is controlled, the machining precision is further improved, namely, the position precision between the end face of the shell and the stator is improved, and finally, the use performance of the conical rotor motor is improved.
Preferably, the center and/or the pressure plate are/is arranged on the tailstock in a sliding manner and slide along the axial direction of the main shaft;
when the tailstock is close to the main shaft, the tip firstly abuts against the end part of the main shaft, and then the pressure plate abuts against the axial end face of the stator.
By adopting the technical scheme, the tip firstly supports against the end part of the main shaft to control the bending deformation of the main shaft, then the pressure plate supports against the axial end surface of the stator to complete product clamping, so that the offset generated by the product along with the bending of the main shaft is controlled, the processing precision is improved, namely, the position precision between the end surface of the shell and the stator is improved, and finally, the use performance of the conical rotor motor is improved.
Preferably, the method further comprises the following steps:
the movable conical tool is coaxially sleeved on the main shaft in a sliding manner and is positioned on one side, away from the pressure plate, of the fixed conical tool, and the periphery of the movable conical tool is conical; and
the driving piece is arranged on the main shaft and used for driving the movable conical tool to reciprocate along the axial direction of the main shaft;
the periphery of fixed toper frock is used for the inner wall of the less one end of butt stator hole diameter, the periphery of removal toper frock is used for the inner wall of the great one end of butt stator hole diameter.
By adopting the technical scheme, the taper of the inner hole of the stator can have deviation, so that the inner hole wall of the stator cannot be attached to the periphery of the fixed taper tool, namely, the positioning is inaccurate; at the moment, the movable conical tool acts, the periphery of the movable conical tool abuts against the inner wall of the end with the larger diameter of the inner hole of the stator, the periphery of the movable conical tool abuts against the inner wall of the end with the smaller diameter of the inner hole of the stator, and the accurate positioning of the axis of the inner hole of the stator is achieved.
Preferably, the driving member includes:
the top plate is arranged on the main shaft in a sliding manner along the axial direction of the main shaft and is used for abutting against the end face, away from the fixed conical tool, of the movable conical tool; and
and a piston rod of the hydraulic cylinder extends and retracts in the axial direction of the main shaft, is connected with the top plate and is used for driving the top plate to move.
By adopting the technical scheme, the movable conical tool is driven to move by the hydraulic cylinder and the top plate, so that the axis of the inner hole of the stator is positioned.
Preferably, the method further comprises the following steps:
the ejection cushion block is detachably sleeved on the main shaft and is sleeved to one side of the top plate, which faces the movable conical tool;
the end face, deviating from the top plate, of the ejection cushion block is used for being abutted to the axial end face of the product, and when the two ends of the ejection cushion block are respectively abutted to the top plate and the product, no extrusion force exists between the top plate and the movable conical tool.
Through adopting above-mentioned technical scheme, the pressure disk makes to support tightly and be interference fit each other between the periphery of the interior pore wall of location and fixed toper frock, utilizes pneumatic cylinder, the ejecting cushion of roof cooperation to promote the product and breaks away from fixed toper frock to in order to take off the product.
In a second aspect, the application provides a use method of a motor casing processing device, which adopts the following technical scheme:
a use method of motor casing processing equipment comprises the following steps:
hoisting, namely hoisting the product by using a travelling crane, moving the product to the motor casing processing equipment as claimed in any one of claims 1 to 6, and enabling the end with the larger diameter of the inner hole of the stator to face the main shaft;
the product is pushed to the main shaft in the initial positioning, an inner hole of the stator is coaxially sleeved on the fixed conical tool, and the inner hole wall of the stator is attached to the periphery of the fixed conical tool; and
clamping, wherein the pressure plate moves and approaches to the main shaft, so that the pressure plate is tightly abutted against the axial end face of the stator, and the inner hole wall of the stator is pushed to tightly abut against the periphery of the fixed conical tool; and
and in the machining process, the main shaft drives the product to rotate, the numerical control tool turret acts, and the end face of the shell is machined by using the cutter.
Through adopting above-mentioned technical scheme, after the stator adopts interference fit's mode to impress the interior formation product of casing, install the product to motor casing processing equipment to the axis of stator hole is the benchmark, reprocess the terminal surface of casing, improve the position precision between casing terminal surface and the stator, and then guarantee to install the position precision between cover and the stator on the casing terminal surface, it is corresponding, connect to have good position precision between rotor and the stator on the cover, be favorable to improving the performance of toper rotor motor.
Preferably, the product further comprises the following steps after the primary positioning is completed on the motor casing processing equipment in claim 3:
auxiliary positioning, wherein the tailstock moves and is close to the main shaft, and an apex on the tailstock abuts against the end part of the main shaft;
after the auxiliary positioning is completed, the pressure plate continues to move and approaches the main shaft to realize clamping.
By adopting the technical scheme, the tailstock and the tip are abutted to tightly support the end part of the main shaft, so that the rigidity of the main shaft is improved, the bending deformation of the main shaft is controlled, the machining precision is further improved, namely, the position precision between the end face of the shell and the stator is improved, and finally, the use performance of the conical rotor motor is improved.
Preferably, the product further comprises the following steps after the clamping is completed on the motor casing processing equipment as claimed in any one of claims 4 to 6:
and fine positioning, wherein the driving piece acts to enable the movable conical tool to move and approach the fixed conical tool, and the periphery of the movable conical tool abuts against the inner wall of the end with the larger diameter of the inner hole of the stator.
Through adopting above-mentioned technical scheme, remove the toper frock action, remove the inner wall of the great one end of periphery butt stator bore diameter of toper frock, the inner wall of the less one end of periphery butt stator bore diameter of the fixed toper frock of cooperation realizes the accurate positioning of stator bore axis.
Preferably, the product further comprises the following steps after the motor casing processing equipment in claim 6 completes processing:
pre-disengaging, wherein the driving piece acts to enable the movable conical tool to move and to be away from the fixed conical tool, so that the periphery of the movable conical tool is separated from the inner hole wall of the stator;
hoisting, namely hoisting the product by using a crane;
disengaging, the platen moves away from the spindle, such that the platen is away from the product;
ejecting, namely mounting the ejection cushion block on the main shaft, and enabling the driving piece to act to push a product by using the ejection cushion block so as to separate the inner hole wall of the stator from the periphery of the fixed conical tool;
and taking out, and removing the product from the motor casing processing equipment by using a travelling crane.
By adopting the technical scheme, the processed product is taken down.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the stator is pressed into the shell in an interference fit mode to form a product, the product is installed on a motor shell machining device, the axis of an inner hole of the stator is used as a reference, the end face of the shell is machined by a cutter, and the position precision between the end face of the shell and the stator is improved;
2. utilize fixed toper frock and removal toper frock to the cooperation uses the pressure disk, makes the axis of stator and the axis coincidence of main shaft, and accomplishes the centre gripping, guarantees the axis coincidence of stator hole axis and main shaft, realizes using the hole axis of stator as the benchmark, and utilizes the terminal surface of cutter processing casing.
Drawings
Fig. 1 is a schematic view of the structure of the product.
Fig. 2 is a schematic view of the overall structure of the motor casing processing apparatus.
Fig. 3 is a schematic view of the overall structure of the motor casing processing apparatus for showing a radial guide rail and the like.
Fig. 4 is a schematic view of the structure of the spindle and the jig.
Fig. 5 is a schematic structural view of the tailstock and the jig.
Fig. 6 is a schematic view of the structure of the driving member.
Fig. 7 is an enlarged schematic view at a in fig. 3.
Fig. 8 is a schematic structural view of the ejection pad.
Fig. 9 is a schematic structural view when the ejection pad is sleeved on the main shaft.
Fig. 10 is a schematic view of the structure at the initial positioning.
Fig. 11 is a schematic structural view in assisting positioning.
Fig. 12 is a schematic view of the structure at the time of fine positioning.
Fig. 13 is a schematic view of the structure at the time of ejection.
Description of reference numerals: 01. a stator; 02. a housing; 1. a bed body; 11. a main spindle box; 12. clamping the guide rail; 13. a clamping cylinder; 14. an axial guide rail; 15. an axial feed seat; 16. a radial guide rail; 17. a radial feed seat; 2. a main shaft; 21. an avoidance groove; 3. a tailstock; 31. a rotating shaft; 311. embedding holes; 312. an oil chamber; 313. an oil hole; 32. a tip; 4. a clamp; 41. fixing the conical tool; 411. a ring groove; 42. moving the conical tool; 43. a drive member; 431. a hydraulic cylinder; 432. a top plate; 433. tightly pushing the sleeve; 434. a limiting ring; 435. a disengagement spring; 44. a platen; 45. a locking ring; 5. numerical control tool turret; 51. a detector; 6. ejecting a cushion block; 61. a grip portion; 62. an abutment portion.
Detailed Description
The present application is described in further detail below with reference to figures 1-13.
The conical rotor motor mainly comprises a shell, a stator, a rotor, a cover and other accessories, and an inner hole of the stator and the periphery of the rotor are conical. Referring to fig. 1, the stator 01 is press-fitted into the housing 02 by interference fit.
The embodiment of the application discloses motor casing processing equipment.
Referring to fig. 2, the motor casing processing apparatus includes a bed 1, a spindle 2, a tailstock 3, a jig 4, and a numerical control turret 5.
The lathe bed 1 is fixedly connected with a main shaft 2 box 11, the main shaft 2 is rotatably arranged in the main shaft 2 box 11, two ends of the main shaft 2 extend out of the main shaft 2 box 11, one end of the main shaft 2 is connected with a motor to realize rotation, and power transmission between the main shaft 2 and the motor can be realized in a belt transmission mode;
the lathe body 1 is provided with a clamping guide rail 12, the clamping guide rail 12 is parallel to the axis of the spindle 2, the tailstock 3 is arranged on the lathe body 1 in a sliding mode along the clamping guide rail 12, the lathe body 1 is further provided with a clamping cylinder 13, the clamping cylinder 13 is arranged below the box 11 of the spindle 2, a piston rod of the clamping cylinder 13 extends and retracts along the axial direction of the spindle 2, and the piston rod of the clamping cylinder 13 is connected with the tailstock 3 so as to drive the tailstock 3 to move back and forth along the clamping guide rail 12;
the clamp 4 is arranged on the main shaft 2 and the tailstock 3, and the axis of the inner hole of the stator 01 is used as a reference to clamp a product;
referring to fig. 3, the lathe bed 1 is further provided with an axial guide rail 14, the axial guide rail 14 is parallel to the axis of the spindle 2, the axial guide rail 14 is slidably provided with an axial feeding seat 15, the axial feeding seat 15 is provided with a radial guide rail 16, the radial guide rail 16 is perpendicular to the axis of the spindle 2, the radial guide rail 16 is slidably provided with a radial feeding seat 17, the numerical control turret 5 is arranged on the radial feeding seat 17, and the axial feeding seat 15 and the radial feeding seat 17 are respectively driven to reciprocate along the axial guide rail 14 and the radial guide rail 16 by two sets of motor-screw pair mechanisms;
the numerical control tool turret 5 is provided with a cutter, and the cutter is close to or far away from a product along the axial direction and the radial direction of the main shaft 2 along with the numerical control tool turret 5 so as to finish machining.
Referring to fig. 4 and 5, the jig 4 includes a fixed taper tool 41, a movable taper tool 42, a driving member 43, and a platen 44.
Referring to fig. 4 and 6, the fixed taper tool 41 is annular, and both the inner periphery and the outer periphery thereof are tapered; the outer periphery of one end of the main shaft 2 is conical to match the inner periphery of the fixed conical tool 41, the fixed conical tool 41 is coaxially sleeved on the main shaft 2, the outer periphery of the end of the main shaft 2 is also coaxially connected with a locking ring 45 through threads, the locking ring 45 is used for tightly abutting against the end face of the fixed conical tool 41, and then the inner periphery of the fixed conical tool 41 tightly abuts against the conical outer periphery of the main shaft 2, so that the fixed connection between the fixed conical tool 41 and the main shaft 2 is completed.
The movable conical tool 42 is annular, and the periphery of the movable conical tool is provided with a cone; remove the coaxial slip of toper frock 42 and cup joint on main shaft 2, and be located one side that fixed toper frock 41 deviates from the product, the periphery of fixed toper frock 41 is used for the inner wall of the less one end of butt stator 01 hole diameter, and the periphery of removing toper frock 42 is used for the inner wall of the great one end of butt stator 01 hole diameter.
Referring to fig. 6, the periphery of the fixed conical tooling 41 is coaxially provided with a ring groove 411, and the ring groove 411 is located in the axial middle of the fixed conical tooling 41, so as to reduce the contact surface between the periphery of the fixed conical tooling 41 and the inner hole wall of the stator 01.
Referring to fig. 4 and 6, the driving member 43 includes a hydraulic cylinder 431, a top plate 432, a tightening sleeve 433, a retainer ring 434, and a disengagement spring 435.
Referring to fig. 4, the hydraulic cylinder 431 is provided with one end of the main shaft 2 far away from the product, and the hydraulic cylinder 431 rotates along with the main shaft 2, the main shaft 2 is hollow, and a piston rod of the hydraulic cylinder 431 is coaxially and slidably arranged in the main shaft 2.
Referring to fig. 6 and 7, the main shaft 2 is further provided with an avoiding groove 21, the avoiding groove 21 is communicated with the inside of the main shaft 2, the top plate 432 is inserted into the avoiding groove 21, and the top plate 432 extends into the inside of the main shaft 2 and is connected with a piston rod of the hydraulic cylinder 431 through a bolt, so that the hydraulic cylinder 431 drives the top plate 432 to reciprocate in the avoiding groove 21 along the axial direction of the main shaft 2.
Referring to fig. 6, the tightening sleeve 433 is coaxially slidably sleeved on the main shaft 2, the tightening sleeve 433 is located between the top plate 432 and the movable tapered tool 42, one end of the tightening sleeve 433 is connected with the top plate 432 through a bolt, and the other end of the tightening sleeve 433 is used for abutting against the end of the movable tapered tool 42.
The limiting ring 434 is coaxially sleeved on the spindle 2 and can be fixed with the spindle 2 by welding or the like, and the limiting ring 434 is located between the fixed taper tool 41 and the movable taper tool 42.
The six disengaging springs 435 are arranged around the limiting ring 434 at intervals in the circumferential direction, the disengaging springs 435 extend and retract along the axial direction of the spindle 2, one ends of the disengaging springs 435 abut against the limiting ring 434, the other ends of the disengaging springs 435 are connected with the movable conical tool 42, and the movable conical tool 42 tends to be away from the fixed conical tool 41.
Referring to fig. 5, the tailstock 3 is rotatably provided with a rotating shaft 31, the rotating shaft 31 is coaxial with the spindle 2, the pressure plate 44 is fixedly connected to the rotating shaft 31 through a bolt, one end of the rotating shaft 31 facing the product is also provided with an embedding hole 311, an apex 32 is embedded in the embedding hole 311 in a sliding manner, and the apex 32 is used for abutting against and supporting the end portion of the spindle 2.
An oil cavity 312 is formed by enclosing the end face of the center 32 departing from a product and the inner wall of the embedding hole 311, an oil hole 313 is coaxially arranged in the rotating shaft 31, the oil hole 313 axially penetrates through the rotating shaft 31 to achieve communication with the oil cavity 312, and the other end of the oil hole 313 is communicated with an oil supply pipeline through a rotary joint.
Referring to fig. 2 and 3, the numerical control turret 5 is further provided with a detector 51, and the detector 51 is used for abutting against the end of the housing 02, further determining the position of the product along the axial direction of the spindle 2, and controlling the movement of the tool by using the position as a reference point, thereby completing the machining of the two end faces of the housing 02.
Referring to fig. 8, the motor casing processing equipment further includes an ejection pad 6, the ejection pad 6 includes a holding portion 61 and abutting portions 62 disposed at two ends of the holding portion 61, the holding portion 61 is held by a person and used for being sleeved on the periphery of a jacking sleeve 433, and two ends of the abutting portions 62 are respectively used for abutting against a top plate 432 and a product.
Referring to fig. 9, when both ends of the abutting portion 62 abut against the top plate 432 and the product, a gap is formed between the outer periphery of the movable tapered tool 42 and the inner hole wall of the stator 01.
The implementation principle of the motor casing processing equipment in the embodiment of the application is as follows: after the stator 01 is pressed into the shell 02 in an interference fit manner to form a product, the product is mounted on the fixed conical tool 41 and is matched with the pressure plate 44, so that the inner hole wall of the stator 01 abuts against the periphery of the fixed conical tool 41, and positioning and clamping are realized;
subsequently, driving piece 43 moves, remove toper frock 42 and support tight stator 01's inner bore wall, make stator 01's axis and main shaft 2's axis coincidence, main shaft 2 drives the product and rotates, the terminal surface of cutter processing casing 02, improve the position precision between casing 02 terminal surface and the stator 01, and then guarantee to install the position precision between cover and the stator 01 on casing 02 terminal surface, it is corresponding, it has good position precision to connect between rotor and the stator 01 on the cover, be favorable to improving the performance of toper rotor motor.
The embodiment of the application further discloses a using method of the motor shell machining equipment.
The use method of the motor casing processing equipment comprises the following steps:
hoisting, namely hoisting a product by using a travelling crane, and processing the motor shell on equipment, wherein the end with the larger diameter of the inner hole of the stator 01 is just opposite to the main shaft 2;
for initial positioning, referring to fig. 10, pushing a product to the spindle 2, coaxially sleeving an inner hole of the stator 01 on the fixed conical tool 41, and enabling the inner hole wall of the stator 01 to be attached to the periphery of the fixed conical tool 41;
auxiliary positioning, the tailstock 3 moves and approaches to the main shaft 2, and referring to fig. 11, the tip 32 abuts against the end of the main shaft 2;
clamping, referring to fig. 12, the pressure plate 44 moves and approaches the main shaft 2, so that the pressure plate 44 abuts against the axial end face of the stator 01, and pushes the inner hole wall of the stator 01 to abut against the periphery of the fixed conical tool 41;
fine positioning, referring to fig. 12, the hydraulic cylinder 431, the top plate 432 and the tightening sleeve 433 act to move the movable conical tool 42 to be close to the fixed conical tool 41, and the periphery of the movable conical tool 42 abuts against the inner wall of the end, with the larger diameter, of the inner hole of the stator 01;
processing, the main shaft 2 drives the product to rotate, the numerical control tool turret 5 acts, the detector 51 is used for detecting the position of the product along the axial direction of the main shaft 2, the movement of the cutter is controlled by taking the position as a reference point, and the cutter is used for processing the end face of the shell 02;
pre-releasing, referring to fig. 13, the driving cylinder is used for releasing pressure, and the release spring 435 acts to enable the movable conical tool 42 to move and be away from the fixed conical tool 41, so that the periphery of the movable conical tool 42 is separated from the inner hole wall of the stator 01;
hoisting, namely hoisting the product by using a crane;
disengaged, platen 44 moves and moves away from spindle 2, such that platen 44 is away from the product;
ejecting, namely installing an ejection cushion block 6 on the main shaft 2, enabling the hydraulic cylinder 431 and the top plate 432 to act, and pushing a product by using the ejection cushion block 6 to enable the inner hole wall of the stator 01 to be separated from the periphery of the fixed conical tool 41; and
and taking out, and removing the product from the motor casing processing equipment by using a travelling crane.
The application principle of the using method of the motor casing processing equipment in the embodiment of the application is as follows: after the stator 01 is pressed into the shell 02 in an interference fit mode to form a product, the product is installed on motor casing processing equipment;
the fixed conical tool 41 and the movable conical tool 42 are utilized, a pressure plate 44 is used in a matched mode, so that the axis of the stator 01 is overlapped with the axis of the main shaft 2, clamping is completed, then the main shaft 2 drives a product to rotate, and the end face of the shell 02 is machined by a cutter with the axis of an inner hole of the stator 01 as a reference;
the realization improves the position accuracy between casing 02 terminal surface and the stator 01, and then guarantees to install the position accuracy between cover and the stator 01 on the casing 02 terminal surface, and is corresponding, connects to have good position accuracy between the rotor on the cover and the stator 01, is favorable to improving the performance of toper rotor motor.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A motor casing processing apparatus, comprising:
a bed body (1);
the main shaft (2) is rotatably arranged on the lathe bed (1);
the fixed conical tool (41) is coaxially and fixedly connected to the main shaft (2), and the periphery of the fixed conical tool (41) is conical so as to be attached to the inner hole wall of the stator;
the pressure plate (44) is arranged on the lathe bed (1) in a sliding mode along the axial direction of the main shaft (2), the pressure plate (44) and the main shaft (2) are arranged coaxially, and the pressure plate (44) is used for abutting against the axial end face of the stator; and
and the numerical control tool turret (5) is arranged on the lathe bed (1) in a sliding mode and slides along the axial direction and the radial direction of the main shaft (2), and the numerical control tool turret (5) is used for installing a cutter and machining the end face of the shell by utilizing the cutter.
2. The motor casing machining apparatus of claim 1, further comprising:
the tailstock (3) is arranged on the lathe body (1) in a sliding mode along the axial direction of the main shaft (2);
the center (32) is rotatably arranged on the tailstock (3), the center (32) and the main shaft (2) are coaxially arranged, and the center (32) is used for tightly abutting against the end part of the main shaft (2).
3. The motor casing machining apparatus according to claim 2, wherein: the center (32) and/or the pressure plate (44) are/is arranged on the tailstock (3) in a sliding mode and slide along the axial direction of the main shaft (2);
when the tailstock (3) is close to the main shaft (2), the tip (32) firstly abuts against the end part of the main shaft (2), and then the pressure plate (44) abuts against the axial end face of the stator.
4. The motor casing machining apparatus of claim 1, further comprising:
the movable conical tool (42) is coaxially sleeved on the main shaft (2) in a sliding mode and is positioned on one side, away from the pressure plate (44), of the fixed conical tool (41), and the periphery of the movable conical tool (42) is conical; and
the driving piece (43) is arranged on the main shaft (2) and used for driving the movable conical tool (42) to reciprocate along the axial direction of the main shaft (2);
the periphery of fixed toper frock (41) is used for the inner wall of the less one end of butt stator hole diameter, the periphery of removal toper frock (42) is used for the inner wall of the great one end of butt stator hole diameter.
5. Motor casing machining apparatus according to claim 4, characterized in that the drive member (43) comprises:
the top plate (432) is arranged on the main shaft (2) in a sliding manner along the axial direction of the main shaft (2) and is used for abutting against the end face, deviating from the fixed conical tool (41), of the movable conical tool (42); and
and a hydraulic cylinder (431) with a piston rod extending and contracting in the axial direction of the main shaft (2), wherein the piston rod is connected with the top plate (432) and is used for driving the top plate (432) to move.
6. The motor casing machining apparatus of claim 5, further comprising:
the ejection cushion block (6) is detachably sleeved on the main shaft (2) and sleeved to one side, facing the movable conical tool (42), of the top plate (432);
the end face, deviating from the top plate (432), of the ejecting cushion block (6) is used for being abutted to the axial end face of a product, and when the two ends of the ejecting cushion block (6) are respectively abutted to the top plate (432) and the product, no extrusion force exists between the top plate (432) and the movable conical tool (42).
7. The use method of the motor casing processing equipment is characterized by comprising the following steps of:
hoisting, namely hoisting the product by using a travelling crane, moving the product to the motor casing processing equipment as claimed in any one of claims 1 to 6, and enabling the end with the larger diameter of the inner hole of the stator to be opposite to the main shaft (2);
initially positioning, pushing a product to the main shaft (2), sleeving a stator inner hole on the fixed conical tool (41) together with a shaft, and enabling the inner hole wall of the stator to be attached to the periphery of the fixed conical tool (41); and
clamping, wherein the pressure plate (44) moves and is close to the main shaft (2), so that the pressure plate (44) abuts against the axial end face of the stator and pushes the inner hole wall of the stator to abut against the periphery of the fixed conical tool (41); and
and in the machining process, the main shaft (2) drives the product to rotate, the numerical control tool turret (5) acts, and the end face of the shell is machined by using a cutter.
8. The method of using a motor casing machining apparatus of claim 7, wherein the method further comprises the following steps after the initial positioning of the product on the motor casing machining apparatus of claim 3 is completed:
auxiliary positioning is carried out, the tailstock (3) moves and is close to the main shaft (2), and a tip (32) on the tailstock (3) abuts against the end part of the main shaft (2);
after the auxiliary positioning is finished, the pressure plate (44) continues to move and is close to the main shaft (2) to realize clamping.
9. The use method of the motor casing processing equipment as claimed in claim 7, wherein the product further comprises the following steps after the clamping is completed on the motor casing processing equipment as claimed in any one of claims 4 to 6:
and (3) fine positioning, wherein the driving piece (43) acts to enable the movable conical tool (42) to move and approach to the fixed conical tool (41), and the periphery of the movable conical tool (42) abuts against the inner wall of the end with the larger diameter of the inner hole of the stator.
10. The use method of the motor casing processing equipment as claimed in claim 7, wherein the product further comprises the following steps after the processing is completed on the motor casing processing equipment as claimed in claim 6:
pre-disengaging, wherein the driving piece (43) acts to enable the movable conical tool (42) to move and be away from the fixed conical tool (41), and the periphery of the movable conical tool (42) is separated from the inner hole wall of the stator;
hoisting, namely hoisting the product by using a crane;
disengaging, the platen (44) moving away from the spindle (2) such that the platen (44) is moved away from the product;
ejecting, namely installing the ejection cushion block (6) on the main shaft (2), enabling the driving piece (43) to act, and pushing a product by using the ejection cushion block (6) so as to separate the inner hole wall of the stator from the periphery of the fixed conical tool (41);
and taking out, and removing the product from the motor casing processing equipment by using a travelling crane.
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| CN202010816950.7A CN111953159B (en) | 2020-08-14 | 2020-08-14 | Conical motor casing processing equipment and using method thereof |
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| CN202010816950.7A CN111953159B (en) | 2020-08-14 | 2020-08-14 | Conical motor casing processing equipment and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472164A (en) * | 2021-07-07 | 2021-10-01 | 徐州远见金属制造有限公司 | Motor casing adds clamping apparatus convenient to location |
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|---|---|
| CN111953159B (en) | 2021-08-17 |
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