CN111469001A - A equipment for motor stator core hole is polished - Google Patents
A equipment for motor stator core hole is polished Download PDFInfo
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- CN111469001A CN111469001A CN202010382413.6A CN202010382413A CN111469001A CN 111469001 A CN111469001 A CN 111469001A CN 202010382413 A CN202010382413 A CN 202010382413A CN 111469001 A CN111469001 A CN 111469001A
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- polishing
- turntable
- assembly
- grinding
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses equipment for polishing an inner hole of a motor stator core, which comprises a workbench, wherein a rotary swing mechanism, a swing driving assembly, a positioning assembly, a polishing rotary table, a rotary table auxiliary supporting assembly and a polishing mechanism are arranged on the workbench, the rotary swing mechanism is arranged in the middle of the workbench, the swing driving assembly is in transmission connection with the rotary swing mechanism, the back center of the polishing rotary table is fixedly connected to an output shaft at the top end of the rotary swing mechanism, the positioning assembly and the rotary table auxiliary supporting assembly are respectively positioned at the left side and the right side of the rotary swing mechanism and are positioned right below the polishing rotary table, the polishing mechanism consists of four polishing devices with the same structure, and the four polishing devices are distributed around the polishing rotary table; the invention effectively avoids the difficulty in alignment, improves the polishing precision, saves the processing time, improves the processing efficiency and has good market application value.
Description
Technical Field
The invention relates to the technical field of polishing equipment, in particular to equipment for polishing an inner hole of a motor stator core.
Background
The motor is used as an indispensable power source in machining equipment, the motor stator core is also used as an important component of the motor, a plurality of inner holes are required to be machined on the motor stator core generally and are used for meeting the subsequent assembly of the motor, the machining of the inner holes on the motor is usually completed through a punch press or a drilling machine, the requirement on the uniformity of the inner holes is high, otherwise, the defective products caused by the abrasion of copper wires during the later assembly are easily generated, the inner holes are required to be polished, but when the inner holes are polished, the requirement on the polishing precision is high, a plurality of polishing procedures are required to be performed to meet the polishing requirement, the machining procedures from rough grinding to fine grinding are completed, the common polishing is performed in sections in each polishing procedure, namely, the machine is firstly used for completing the first rough grinding of all the inner holes on the motor core, then the machine is taken down and is transferred to the next polishing procedure, or on a polishing platform, after a first polishing process is completed one by moving the position of the polishing head, the polishing head with different particle sizes is repeatedly replaced to polish, and the processing from coarse grinding to accurate grinding is completed.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides equipment for polishing the inner hole of the motor stator core.
The invention provides a technical scheme, and relates to equipment for polishing an inner hole of a motor stator core, which comprises a workbench, wherein a rotary swing mechanism, a swing driving assembly, a positioning assembly, a polishing turntable, a turntable auxiliary supporting assembly and a polishing mechanism are arranged on the workbench, the rotary swing mechanism is arranged in the middle of the workbench, the swing driving assembly is in transmission connection with the rotary swing mechanism and is used for driving the rotary swing mechanism to rotate, the back center of the polishing turntable is fixedly connected to an output shaft at the top end of the rotary swing mechanism, the positioning assembly and the turntable auxiliary supporting assembly are respectively positioned at the left side and the right side of the rotary swing mechanism and are positioned right below the polishing turntable, the polishing mechanism consists of four polishing devices with the same structure, the four polishing devices are distributed around the polishing turntable, the working ends face downwards to the upper part of the polishing turntable; the polishing turntable is used for placing a motor stator core workpiece to be polished, the swing driving component is used for providing a power source for the rotary swing mechanism, the rotary swing mechanism is used for driving the polishing turntable to rotate, the positioning assembly is used for positioning and limiting the polishing turntable after the polishing turntable is fixed to a processing position, the turntable auxiliary supporting assembly is used for assisting in rotating and sliding to support when the polishing turntable rotates, each hole in a workpiece to be processed sequentially passes through four polishing devices in an anticlockwise sequence, each hole in the workpiece to be processed is subjected to four polishing procedures, the rough polishing and the fine polishing are completed, the working ends of the four polishing devices are provided with polishing heads, the granularity of each polishing head is gradually reduced according to the surrounding sequence of the polishing devices, and the polishing mechanism is used for polishing the workpiece placed on the polishing turntable.
Preferably, the polishing device comprises a vertical frame, a longitudinal driving assembly, a rotary driving assembly, an installation tower frame and a polishing connecting rod assembly, wherein the vertical frame is vertically fixed on the workbench, the longitudinal driving assembly is vertically installed on the upper portion of the vertical frame, the installation tower frame is horizontally fixed at the top end of the vertical frame, the rotary driving assembly is arranged on the installation tower frame, and the upper portion of the polishing connecting rod assembly penetrates through the front end of the rotary driving assembly and downwards penetrates through the installation tower frame to be fixedly connected with the longitudinal driving assembly.
Preferably, the vertical drive assembly is a ball screw unit driven by a first stepping motor, the vertical installation of the ball screw unit is fixed on the front of the stand, the first stepping motor is installed on the back of the stand, a first belt wheel is fixedly sleeved at the upper end of the ball screw unit, the first stepping motor is connected with the first belt wheel through synchronous belt transmission, the front of the stand is located on the left side and the right side of the ball screw unit, a sliding rail and a sliding block matched with the sliding rail are vertically and fixedly arranged on the left side and the right side of the ball screw unit respectively, a polishing connecting plate is fixedly arranged on the surface of the sliding block, the bottom of the polishing connecting plate is fixedly connected with a screw nut seat of the ball screw unit, and the polishing connecting plate is used for fixedly connecting the lower part of a.
Preferably, the rotary driving assembly comprises a second stepping motor arranged at the rear side of the installation tower, an outer shaft sleeve and an inner shaft sleeve, wherein the outer shaft sleeve and the inner shaft sleeve vertically penetrate through the front side of the installation tower, the inner shaft sleeve is connected with the outer shaft sleeve through a bearing, the inner shaft sleeve extends upwards, a second belt wheel is fixedly sleeved on the extending portion, and the second stepping motor is connected with the second belt wheel through a synchronous belt.
Preferably, the polishing connecting rod assembly comprises a rotating frame, a spline shaft and a lower rotating shaft, the rotating frame is vertically fixed on the polishing connecting plate, the lower rotating shaft vertically penetrates through the rotating frame and is connected with a joint part of the rotating frame in a rotating mode through a bearing, the spline shaft is sleeved in the inner shaft sleeve and downwards connected with the lower rotating shaft through a coupler, the lower end of the lower rotating shaft is used for installing a reducing sleeve, and the reducing sleeve is internally used for installing a polishing head.
Preferably, the rotary swing mechanism is a gap divider, an input shaft of the gap divider is in transmission connection with the swing driving assembly through a gear, and an output shaft of the gap divider is fixedly connected with the center of the back of the polishing turntable.
Preferably, the swing driving assembly is a third stepping motor, and the third stepping motor is in transmission connection with an input shaft of the gap divider through a gear and a synchronous belt.
Preferably, the positioning assembly is a positioning pushing cylinder mounted on the upper portion of the positioning support, a positioning base is horizontally and fixedly arranged at the top end of the positioning support, a positioning rod is fixedly arranged at the output end of the positioning pushing cylinder, a plurality of positioning through holes matched and corresponding to the dividing positions of the gap divider are formed in the polishing turntable, and the positioning rod penetrates through the positioning base upwards and then is located under any positioning through hole.
Preferably, the turntable auxiliary supporting assembly is a bearing supporting seat installed on a supporting frame, the supporting frame is vertically fixed on the workbench, the lower end of the bearing supporting seat is fixed on the upper portion of the supporting frame, the upper end of the bearing supporting seat is a U-shaped lifting lug with an upward opening and used for installing a rolling bearing, and the rolling surface of the rolling bearing is in contact with the bottom surface of the polishing turntable.
Compared with the prior art, the beneficial effects are that: according to the invention, the polishing heads with different polishing granularities are sequentially arranged on each polishing device, one-time machine installation of a workpiece is completed under the assistance of the gap divider, and the processing from coarse grinding to accurate grinding is completed under the condition that the polishing head is not replaced, and the polishing turntable and the polishing device are in a fixed state, so that the difficulty in alignment is effectively avoided, the polishing precision is improved, the processing time is saved, the processing efficiency is improved, and the polishing device has good market application value.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the polishing apparatus of the present invention;
FIG. 3 is a schematic structural view of a swing driving assembly and a rotary swing mechanism according to the present invention;
FIG. 4 is a schematic view of a positioning assembly according to the present invention;
FIG. 5 is a schematic view of the turntable auxiliary support assembly of the present invention;
FIG. 6 is a schematic structural view of a grinding link assembly of the present invention;
FIG. 7 is a schematic view of the longitudinal driving assembly of the present invention;
FIG. 8 is a schematic view of a rotary drive assembly according to the present invention;
FIG. 9 is a schematic view of a portion of the structure of the present invention;
reference numerals: 1. a work table; 2. a rotary swing mechanism; 3. a swing drive assembly; 4. a positioning assembly; 5. a turntable auxiliary support assembly; 6. a polishing device; 7. polishing the turntable; 21. a gap divider; 31. a third step motor; 41. positioning the pushing cylinder; 42. positioning the bracket; 43. positioning a base; 44. a positioning rod; 51. a support frame; 52. a bearing support seat; 53. a rotating bearing; 61. erecting a frame; 62. a longitudinal drive assembly; 63. a rotary drive assembly; 64. installing a tower; 65. polishing the connecting rod assembly; 621. a first stepper motor; 622. a ball screw unit; 623. a slide rail; 624. polishing the connecting plate; 631. a second stepping motor; 632. an outer sleeve; 633. an inner sleeve; 634. a second pulley; 651. a rotating frame; 652. a spline shaft; 653. rotating the shaft downwards; 654. a polishing head.
Detailed Description
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 9, the first embodiment of the present invention: the utility model provides an equipment for motor stator core hole is polished, includes workstation 1, be provided with rotatory swing mechanism 2, swing drive subassembly 3, locating component 4, polishing carousel 7, carousel auxiliary stay subassembly 5 and grinding machanism on workstation 1, rotatory swing mechanism 2 sets up in the centre of workstation 1, swing drive subassembly 3 with rotatory swing mechanism 2 transmission is connected for drive rotatory swing mechanism 2 produces the rotation action, the back center fixed connection of polishing carousel 7 is in the top output shaft of rotatory swing mechanism 2, locating component 4 with carousel auxiliary stay subassembly 5 is located respectively the left and right sides of rotatory swing mechanism 2 and is located under polishing carousel 7, grinding machanism comprises four grinding device 6 that the structure is the same, four grinding device 6 encircle distribute in polishing carousel 7 all around, and the working ends all face downwards to the upper part of the polishing turntable 7; the polishing device is characterized in that a motor stator core workpiece to be polished is placed on the polishing turntable 7 and firmly fixed through fixing clamps such as bolts or quick clamp clamps, the swing driving component 3 is used for lifting a power source for the rotary swing mechanism 2, the rotary swing mechanism 2 is used for driving the polishing turntable 7 to do rotary movement, the positioning component 4 is used for positioning and limiting the polishing turntable 7 after the polishing turntable 7 is fixed to a processing position, the turntable auxiliary supporting component 5 is used for assisting in rotating and sliding supporting when the polishing turntable 7 rotates, each hole on the processing workpiece sequentially passes through four polishing devices 6 in an anticlockwise sequence, each hole on the processing workpiece is subjected to four polishing procedures, the processing from rough polishing to fine polishing is completed, the working ends of the four polishing devices 6 are respectively provided with a polishing head 654, and the granularity of each polishing head 654 is gradually reduced according to the surrounding sequence of the polishing devices 6, the grinding mechanism is used for grinding workpieces placed on the grinding turntable 7, and the grinding head 654 with grinding granularity from coarse to fine is installed on each grinding device 6, so that the problem that the grinding head 654 with different granularities needs to be replaced in the traditional grinding process to realize the processing procedure from coarse grinding to fine grinding is solved, the processing time is saved, and the processing efficiency is improved.
Further, the four polishing devices 6 are respectively a first polishing device 6, a second polishing device 6, a third polishing device 6 and a fourth polishing device 6, the polishing head 654 on the first polishing device 6 has the largest granularity and is used for performing rough polishing, the polishing head 654 on the fourth polishing device 6 has the smallest granularity and is used for performing fine polishing, the first polishing device 6 to the fourth polishing device 6 are distributed along the polishing turntable 7 in the counterclockwise direction, and since the granularity of each polishing head 654 is gradually reduced according to the surrounding sequence, each inner hole on the workpiece is gradually finished from the first polishing device 6 to the fourth polishing device 6 through four polishing processes from rough polishing to fine polishing, and the four polishing finishing actions are as follows: a polishing workpiece is placed and fixed on a polishing tray, a first hole is subjected to primary rough polishing by a first polishing device 6, after polishing is completed, a polishing turntable 7 rotates, the first hole polished by the first polishing device 6 is rotated to the position below a second polishing device 6, then a second hole rotated to the position below the first polishing device 6 is subjected to primary rough polishing, the first hole positioned below the second polishing device 6 is subjected to secondary rough polishing, after polishing is completed, the polishing turntable 7 rotates again, the first hole is rotated to the position below a third polishing device 6, at the moment, the second hole is positioned below the second polishing device 6, a third hole is positioned under the first polishing device 6, the first polishing device 6 is synchronized to complete the first polishing of the third hole, the second polishing device 6 is synchronized to complete the second polishing of the second hole, and the third polishing device 6 is used to complete the third polishing of the first hole, after the fourth polishing device 6 finishes the processing of the first hole, the polishing turntable 7 continues to rotate, and four times of polishing processing of the rest holes are finished sequentially according to the step clustering and circulating.
Preferably, the grinding device 6 includes a vertical frame 61, a longitudinal driving assembly 62, a rotary driving assembly 63, an installation tower 64 and a grinding link assembly 65, the vertical frame 61 is vertically fixed on the work table 1, the longitudinal driving assembly 62 is vertically installed on the upper portion of the vertical frame 61, the installation tower 64 is horizontally fixed on the top end of the vertical frame 61, the rotary driving assembly 63 is arranged on the installation tower 64, the upper portion of the grinding link assembly 65 penetrates through the front end of the rotary driving assembly 63 and downwards penetrates through the installation tower 64 to be fixedly connected with the longitudinal driving assembly 62, the longitudinal driving assembly 62 is used for driving the grinding link assembly 65 to move up and down, and the rotary driving assembly 63 is used for driving the grinding link assembly 65 to rotate.
Preferably, as shown in fig. 7, the longitudinal driving assembly 62 is a ball screw unit 622 driven by a first stepping motor 621, the ball screw unit 622 is vertically installed and fixed on the front surface of the stand 61, the first stepping motor 621 is installed on the back of the stand 61, a first pulley is fixedly sleeved at the upper end of the ball screw unit 622, the first stepping motor 621 and the first pulley are in transmission connection through a synchronous belt, the front surface of the stand 61 is located on the left and right sides of the ball screw unit 622 and is respectively and vertically and fixedly provided with a slide rail 623 and a slider matched with the slide rail 623, the surface of the slider is further fixedly provided with a polishing connecting plate 624, the bottom of the polishing connecting plate 624 is fixedly connected with a screw nut seat of the ball screw unit 622, the polishing connecting plate 624 is used for fixedly connecting the lower part of the polishing connecting rod assembly 65, the first stepping motor 621 drives the ball screw unit 622 to move, and then the grinding connecting plate 624 is driven to move up and down, and the mounting tower 64 also moves up and down, so that the spline shaft 652 moves up and down along the inner shaft sleeve 633.
Preferably, as shown in fig. 8, the rotary driving assembly 63 includes a second stepper motor 631 disposed at the rear side of the mounting tower 64, and an outer shaft sleeve 632 and an inner shaft sleeve 633 vertically penetrating the front side of the mounting tower 64, wherein the inner shaft sleeve 633 is connected to the outer shaft sleeve 632 through a bearing, the inner shaft sleeve 633 extends upward, a second pulley 634 is fixedly sleeved on the extension, and the second stepper motor 631 is connected to the second pulley 634 through a timing belt.
Preferably, as shown in fig. 6, the polishing connecting rod assembly 65 includes a rotating frame 651, a spline shaft 652 and a lower rotating shaft 653, the rotating frame 651 is vertically fixed on the polishing connecting plate 624, the lower rotating shaft 653 vertically penetrates through the rotating frame 651 and is rotatably connected to a joint of the rotating frame 651 through a bearing, the spline shaft 652 is sleeved in the inner sleeve 633 and is downwardly connected to the lower rotating shaft 653 through a coupling, a diameter changing sleeve is arranged at a lower end of the lower rotating shaft 653, the diameter changing sleeve may also be called a taper shank sleeve, the diameter changing sleeve is used for installing a polishing head 654, the second stepping motor 631 drives the second pulley 634 to rotate, and the second pulley 634 is fixedly sleeved on the inner sleeve 633, so that the polishing head 654 is driven to rotate by the inner sleeve 633.
Preferably, as shown in fig. 3, the rotary swing mechanism 2 is a gap divider 21, an input shaft of the gap divider 21 is in gear transmission connection with the swing driving assembly 3, and an output shaft of the gap divider 21 is fixedly connected with the back center of the grinding turntable 7.
Preferably, the swing driving assembly 3 is a third stepping motor 31, the third stepping motor 31 is in transmission connection with the input shaft of the gap divider 21 through a gear and a synchronous belt, and since the torque of the gap divider 21 can be corrected and adjusted according to the actual machining required position, the gap divider 21 is correspondingly adjusted and corrected in advance according to different machining precision process requirements, so that the gap divider 21 meets the actual working position requirement, and the adjustment and correction of the gap divider 21 are the prior art, so that the adjustment process is not repeated in this description.
Preferably, as shown in fig. 4, the positioning assembly 4 is a positioning pushing cylinder 41 installed on the upper portion of a positioning bracket 42, a positioning base 43 is horizontally and fixedly installed at the top end of the positioning bracket 42, a positioning rod 44 is fixedly installed at the output end of the positioning pushing cylinder 41, a plurality of positioning through holes matched and corresponding to the dividing positions of the gap divider 21 are formed in the polishing turntable 7, the positioning rod 44 passes through the positioning base 43 upward and then is located right below any one of the positioning through holes, when the polishing turntable 7 rotates with the gap divider 21 in sequence, when each processing station is rotated and stopped, the pushing cylinder drives the positioning rod 44 to penetrate into the positioning through hole, so that the polishing mounting plate is positioned and fixed to prevent the gap divider 21 from being shaken and deviated during the polishing process and the workpiece from being processed, thereby affecting the processing accuracy, and the current station is processed completely, in preparation for rotation to the next processing station, the push cylinder is operated to retract the positioning rod 44 to the home position.
Preferably, as shown in fig. 5, the turntable auxiliary supporting assembly 5 is a bearing supporting seat 52 installed on a supporting frame 51, the supporting frame 51 is vertically fixed on the worktable 1, a lower end of the bearing supporting seat 52 is fixed on an upper portion of the supporting frame 51, an upper end of the bearing supporting seat 52 is a U-shaped lifting lug with an upward opening for installing a rotating bearing 53, a rolling surface of the rotating bearing 53 is in contact with a bottom surface of the polishing turntable 7, when the polishing turntable 7 rotates, due to a relatively large disk surface of the disk, in order to increase stability, the rotation is more stable under the supporting action of the rotating bearing 53, and a bearing force of a force output shaft of the gap divider 21 is further reduced.
Further, the number of the polishing devices 6 of the polishing mechanism may be correspondingly set according to the polishing requirements for processing the inner holes of the workpiece, that is, the number of the processing steps from rough polishing to finish polishing, for example, six polishing steps are required for processing each inner hole on the workpiece, so the number of the corresponding polishing devices 6 is set to six, the six polishing devices 6 are distributed around the polishing turntable 7 counterclockwise or clockwise, each hole on the processed workpiece is sequentially polished six times, so that each hole is processed from rough polishing to finish polishing six times, and the polishing heads 654 of corresponding specifications are installed on each corresponding polishing device 6 in the polishing sequence.
The working principle of the invention is as follows: fixing a motor stator iron core to be machined and polished on a polishing turntable 7, driving a gap divider 21 by a third step motor 31 to rotate a workpiece on the polishing turntable 7 to be right below a corresponding polishing device 6, driving a positioning rod 44 to be embedded into a corresponding positioning through hole by a positioning pushing cylinder 41, performing rough polishing on an inner hole first, starting to work by a first polishing device 6 of a polishing mechanism (namely performing rough polishing on the polishing head 654 with the largest granularity first), driving a ball screw unit to work by a first step motor 621 to enable a rotating frame 651 to drive a whole polishing connecting rod assembly 65 to move downwards, driving the polishing connecting rod assembly 65 to rotate along with an inner shaft sleeve 633 by a second step motor 631, continuing to move downwards to start polishing when the polishing head 654 is in contact with the inner hole of the machined workpiece, and completing the rough polishing work of the first hole after the polishing head 654 moves to the bottom of the machined inner hole, at this time, the first stepping motor 621 drives the grinding connecting rod assembly 65 to return to the initial position, the positioning pushing cylinder 41 works to enable the positioning rod 44 to return to the original position downwards, the third stepping motor 31 drives the gap divider 21 and the grinding rotary table 7 to rotate to the next station and then stop, the previous inner hole subjected to rough grinding just rotates to the next grinding device 6, namely the second grinding device 6, the positioning rod 44 positions and fixes the grinding rotary table 7, at this time, the first grinding device 6 and the adjacent second grinding device 6 work according to the grinding actions, the second grinding device 6 finishes the secondary grinding of the previous grinding hole, the first grinding device 6 finishes the primary grinding of the second hole, and by analogy according to the processing procedures, the cyclic processing actions from rough grinding to fine grinding of all inner holes on the workpiece are finished through cyclic processing.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The equipment for polishing the inner hole of the motor stator core comprises a workbench and is characterized in that a rotary swing mechanism, a swing driving assembly, a positioning assembly, a polishing turntable, a turntable auxiliary supporting assembly and a polishing mechanism are arranged on the workbench, the rotary swing mechanism is arranged in the middle of the workbench, the swing driving assembly is in transmission connection with the rotary swing mechanism, the back center of the polishing turntable is fixedly connected to an output shaft at the top end of the rotary swing mechanism, the positioning assembly and the turntable auxiliary supporting assembly are respectively positioned at the left side and the right side of the rotary swing mechanism and under the polishing turntable, the polishing mechanism comprises four polishing devices with the same structure, the four polishing devices are distributed around the polishing turntable in a surrounding manner, and the working ends face downwards to the upper part of the polishing turntable, the working ends of the four polishing devices are respectively provided with a polishing head, and the granularity of each polishing head is progressively reduced according to the surrounding sequence of the polishing devices; the polishing device is characterized in that a motor stator core workpiece to be polished is placed on the polishing turntable, the swing driving assembly is used for serving as a power source for the rotary swing mechanism, the rotary swing mechanism is used for driving the polishing turntable to rotate, the positioning assembly is used for positioning and limiting the polishing turntable after the polishing turntable is fixed to a machining position, the turntable auxiliary supporting assembly is used for assisting in rotating and sliding the polishing turntable when the polishing turntable rotates, each hole in the machining workpiece sequentially passes through four polishing devices according to an anticlockwise sequence, each hole in the machining workpiece is subjected to four polishing procedures, and machining from rough polishing to fine polishing is completed.
2. The equipment for grinding the inner hole of the motor stator core according to claim 1, wherein the grinding device comprises a stand, a longitudinal driving assembly, a rotary driving assembly, a mounting tower and a grinding connecting rod assembly, the stand is vertically fixed on the workbench, the longitudinal driving assembly is vertically mounted on the upper portion of the stand, the mounting tower is horizontally fixed at the top end of the stand, the rotary driving assembly is arranged on the mounting tower, and the upper portion of the grinding connecting rod assembly penetrates through the front end of the rotary driving assembly, downwards penetrates through the mounting tower and then is fixedly connected with the longitudinal driving assembly.
3. The device for grinding the inner hole of the motor stator core according to claim 2, the longitudinal driving assembly is a ball screw unit driven by a first stepping motor, the ball screw unit is vertically installed and fixed on the front surface of the stand, the first stepping motor is arranged at the back of the vertical frame, the upper end part of the ball screw unit is fixedly sleeved with a first belt wheel, the first stepping motor is connected with the first belt wheel through a synchronous belt in a transmission way, the front surface of the vertical frame is respectively and fixedly provided with a slide rail and a slide block matched with the slide rail at the left side and the right side of the ball screw unit, the surface of the slide block is also fixedly provided with a polishing connecting plate, the bottom of the polishing connecting plate is fixedly connected with a screw nut seat of the ball screw unit, and the polishing connecting plate is used for fixedly connecting the lower part of the polishing connecting rod assembly.
4. The device for grinding the inner hole of the stator core of the motor as claimed in claim 3, wherein the rotary driving assembly comprises a second stepping motor arranged at the rear side of the mounting tower, an outer shaft sleeve and an inner shaft sleeve vertically penetrating the front side of the mounting tower, the inner shaft sleeve is connected with the outer shaft sleeve through a bearing, the inner shaft sleeve extends upwards, a second belt wheel is fixedly sleeved on the extending part, and the second stepping motor is connected with the second belt wheel through a synchronous belt.
5. The device for polishing the inner hole of the motor stator core according to claim 4, wherein the polishing connecting rod assembly comprises a rotating frame, a spline shaft and a lower rotating shaft, the rotating frame is vertically fixed on the polishing connecting plate, the lower rotating shaft vertically penetrates through the rotating frame and is rotatably connected with a joint part of the rotating frame through a bearing, the spline shaft is sleeved in the inner shaft and is downwards connected with the lower rotating shaft through a coupler, the lower end of the lower rotating shaft is used for installing a reducing sleeve, and the reducing sleeve is internally used for installing a polishing head.
6. The device for grinding the inner hole of the motor stator core according to claim 1, wherein the rotary swing mechanism is a gap divider, an input shaft of the gap divider is in transmission connection with the swing driving assembly through a gear, and an output shaft of the gap divider is fixedly connected with the center of the back of the grinding turntable.
7. The device for grinding the inner hole of the motor stator core according to claim 6, wherein the swing driving assembly is a third stepping motor, and the third stepping motor is in transmission connection with the input shaft of the gap divider through a gear and a synchronous belt.
8. The device for grinding the inner hole of the motor stator core according to claim 1, wherein the positioning assembly is a positioning pushing cylinder mounted on the upper portion of a positioning support, a positioning base is horizontally and fixedly arranged at the top end of the positioning support, a positioning rod is fixedly arranged at the output end of the positioning pushing cylinder, a plurality of positioning through holes matched and corresponding to the dividing positions of the gap divider are formed in the grinding turntable, and the positioning rod penetrates upwards through the positioning base and then is located right below any positioning through hole.
9. The device for grinding the inner hole of the stator core of the motor according to claim 1, wherein the auxiliary supporting assembly of the turntable is a bearing supporting seat mounted on a supporting frame, the supporting frame is vertically fixed on the worktable, the lower end of the bearing supporting seat is fixed on the upper part of the supporting frame, the upper end of the bearing supporting seat is a U-shaped lifting lug with an upward opening for mounting a rotating bearing, and the rolling surface of the rotating bearing is in contact with the bottom surface of the grinding turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382413.6A CN111469001A (en) | 2020-05-08 | 2020-05-08 | A equipment for motor stator core hole is polished |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010382413.6A CN111469001A (en) | 2020-05-08 | 2020-05-08 | A equipment for motor stator core hole is polished |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113370011A (en) * | 2021-07-01 | 2021-09-10 | 深圳市鑫雅豪智能科技股份有限公司 | High-precision polishing device for inner hole of aluminum alloy bracket and implementation method of high-precision polishing device |
| CN114310520A (en) * | 2021-12-13 | 2022-04-12 | 广东方振新材料精密组件有限公司 | Inner hole polishing device |
| CN116160303A (en) * | 2023-04-24 | 2023-05-26 | 河北海蓝轴承制造有限公司 | Bearing ring internal surface grinding device |
| CN116317398A (en) * | 2023-05-17 | 2023-06-23 | 佛山市顺德龙佳微电机实业有限公司 | Improved processing equipment for direct-current permanent magnet motor |
| CN116533118A (en) * | 2023-07-04 | 2023-08-04 | 共赢装备制造有限公司 | Intelligent polishing equipment for large casting robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113370011A (en) * | 2021-07-01 | 2021-09-10 | 深圳市鑫雅豪智能科技股份有限公司 | High-precision polishing device for inner hole of aluminum alloy bracket and implementation method of high-precision polishing device |
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| CN116160303A (en) * | 2023-04-24 | 2023-05-26 | 河北海蓝轴承制造有限公司 | Bearing ring internal surface grinding device |
| CN116317398A (en) * | 2023-05-17 | 2023-06-23 | 佛山市顺德龙佳微电机实业有限公司 | Improved processing equipment for direct-current permanent magnet motor |
| CN116317398B (en) * | 2023-05-17 | 2023-07-25 | 佛山市顺德龙佳微电机实业有限公司 | Improved processing equipment for direct-current permanent magnet motor |
| CN116533118A (en) * | 2023-07-04 | 2023-08-04 | 共赢装备制造有限公司 | Intelligent polishing equipment for large casting robot |
| CN116533118B (en) * | 2023-07-04 | 2023-08-29 | 共赢装备制造有限公司 | Intelligent polishing equipment for large casting robot |
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