阅读说明：本技术 一种电机转子压铸制造工艺 (Motor rotor die-casting manufacturing process ) 是由 李红梅 李海波 李锦余 于 2020-08-04 设计创作，主要内容包括：本发明涉及一种电机转子压铸制造工艺,具体涉及到一种电机转子铸件槽壁清理装置,包括底座、间歇换位机构、夹紧定位机构、送料机构、拨动定位机构、槽壁清理机构、卸料机构和抓取送料机构,本发明提供的装置适合于针对电机转子叠片进行流水化加工处理,效率大大提高,打磨质量统一度高,可避免打磨不当造成对电机转子叠片的损伤,保证打磨质量,维持电机转子叠片的尺寸精度和外表美观度。(The invention relates to a motor rotor die-casting manufacturing process, in particular to a motor rotor casting groove wall cleaning device which comprises a base, an intermittent transposition mechanism, a clamping and positioning mechanism, a feeding mechanism, a shifting and positioning mechanism, a groove wall cleaning mechanism, a discharging mechanism and a grabbing and feeding mechanism.)

1. A motor rotor die-casting manufacturing process is characterized in that: the manufacturing process specifically comprises the following steps:

s1, die-casting forming: injecting the smelted metal raw material into a die cavity of a die casting die for cooling and forming;

s2, casting inspection: inspecting the die-cast motor rotor laminated castings, and selecting the motor rotor laminated castings meeting inspection standards;

s3, burr processing: deburring the slot wall of the selected motor rotor laminated casting meeting the inspection standard by a motor rotor casting slot wall cleaning device;

s4, surface treatment: performing surface treatment on the motor rotor lamination casting subjected to the deburring treatment;

s5, finished product warehousing: integrally packaging and warehousing finished products of the motor rotor laminated castings after surface treatment;

the motor rotor casting burr cleaning device comprises a base (1), an intermittent transposition mechanism (2), a clamping and positioning mechanism (3), a feeding mechanism (4), a stirring and positioning mechanism (5), a groove wall cleaning mechanism (6), a discharging mechanism (7) and a grabbing and feeding mechanism (8), wherein the intermittent transposition mechanism (2) comprises an electric turntable (21) fixedly installed on the base (1) and a rotating turntable (22) fixedly installed at the rotating part of the electric turntable (21) and in a disc shape, the electric turntable (21) can drive the rotating turntable (22) to rotate a quarter turn each time, and the upper end of the rotating turntable (22) is provided with four clamping and positioning mechanisms (3), the four clamping and positioning mechanisms (3) are circumferentially and equidistantly distributed about a rotating central shaft of the electric turntable (21), the feeding mechanism (4), the toggle positioning mechanism (5), the cell wall cleaning mechanism (6) and the discharging mechanism (7) are sequentially distributed along the peripheral circumferential direction of the rotating wheel disc (22) and are all fixedly arranged on the base (1), the four clamping and positioning mechanisms (3) are correspondingly arranged with the feeding mechanism (4), the toggle positioning mechanism (5), the cell wall cleaning mechanism (6) and the discharging mechanism (7) one by one, and the grabbing and feeding mechanisms (8) for grabbing motor rotor laminations are correspondingly arranged at the upper ends of the feeding mechanism (4) and the discharging mechanism (7); wherein:

stir positioning mechanism (5) and stretch frame (51), a lift cylinder (52), stir electric turntable (53), double wing board (54) and two including a side and stir subassembly (55), a side is stretched frame (51) fixed mounting and is in on base (1) and the side is stretched to being close to it press from both sides the top of tight positioning mechanism (3), a vertical fixed mounting of lift cylinder (52) is in the top of a side stretch frame (51), stir electric turntable (53) with the output fixed connection of a lift cylinder (52), double wing board (54) horizontal fixed connection be in stir on the rotatory position of electric turntable (53), double wing board (54) are gone up and are provided with two side wing boards (541) relatively, two stir subassembly (55) one-to-one and set up two on side wing board (541), two stir subassembly (55) mirror symmetry and set up and apart from stir the rotatory position of electric turntable (53) The distances between the rotating central shafts are equal;

the poking assembly (55) comprises a sliding shaft (551) vertically and slidably arranged on the side wing plate (541), a poking block (552) connected to the bottom end of the sliding shaft (551) and a pressure spring (553) sleeved on the sliding shaft (551), two ends of the pressure spring (553) are fixedly connected between the side wing plate (541) and the poking block (552), the contour line of the lower end face of the poking block (552) is chamfered, and the chamfered position of the poking block (552) can be clamped into a slotted hole of a motor rotor lamination;

the groove wall cleaning mechanism (6) comprises a second side extending frame (61), a second lifting cylinder (62), a connecting frame (63), a guide disc (64), a driving motor (65), a linkage disc (66) and a cleaning grinding head assembly (67), the second side extending frame (61) is fixedly installed on the base (1) and extends to the position above the clamping and positioning mechanism (3) close to the base, the second lifting cylinder (62) is vertically and fixedly installed at the top end of the second side extending frame (61), the connecting frame (63) is fixedly connected with the bottom output end of the second lifting cylinder (62), the guide disc (64) is horizontally and fixedly installed at the bottom end of the connecting frame (63), the driving motor (65) is fixed on the side wall of the connecting frame (63), and the guide disc (64) is vertically connected with the cleaning grinding head assembly (67), a plurality of the cleaning grinding head assemblies (67) are distributed at equal intervals in the circumferential direction, a plurality of the cleaning grinding head assemblies (67) can be distributed in a one-to-one correspondence manner with a plurality of slotted holes on a motor rotor lamination in the clamping and positioning mechanism (3) clamped below, each cleaning grinding head assembly (67) comprises a connecting rod (671), a vibration spring (672) and a grinding head (673), the connecting rod (671) is vertically and slidably arranged on the guide disc (64), the connecting rod (671) is vertically and fixedly penetrated on the linkage disc (66), the vibration spring (672) is sleeved on the connecting rod (671) and two ends of the vibration spring are fixedly connected between the bottom end face of the guide disc (64) and the upper end face of the linkage disc (66), the grinding head (673) is fixedly connected at the bottom end of the connecting rod (671), and the outer contour of the grinding head (673) is matched with the slotted hole contour of the motor lamination rotor, the output shaft of the driving motor (65) is provided with a cam (651), the upper end of the linkage disk (66) is provided with a top contact block (661) which penetrates through the guide disk (64), and the cam (651) is always in contact with the upper end of the top contact block (661).

2. The die-casting process for manufacturing a rotor of an electric machine according to claim 1, wherein: the clamping and positioning mechanism (3) comprises a disc-shaped avoiding tray (31), a circular ring (32) and eight clamping components (33), the avoiding tray (31) is embedded and installed on the upper end face of the rotating wheel disc (22), the circular ring (32) is fixedly installed on the upper end face of the rotating wheel disc (22) and the central axis of the circular ring coincides with the central axis of the avoiding tray (31), the eight clamping components (33) are fixedly installed on the circular ring (32) and are uniformly distributed along the circumferential direction of the circular ring (32), each clamping component (33) comprises a guide sleeve (331), a clamping spring (332) and a ball clamping block (333), the guide sleeve (331) is horizontally and fixedly connected onto the outer side wall of the circular ring (32), and the ball clamping block (333) is located on the inner side of the circular ring (32) and is arranged with the guide sleeve (331) in a radial horizontal sliding mode along the circular ring (32), two ends of the clamping spring (332) are fixedly connected between the inner end surface of the guide sleeve (331) and the ball head clamping block (333); the rotating central axis of the poking electric turntable (53) is coincident with the central axis of the circular ring (32), and a plurality of cleaning grinding head assemblies (67) are uniformly distributed in a circumferential manner around the central axis of the circular ring (32) in the clamping and positioning mechanism (3).

3. The die-casting process for manufacturing a rotor of an electric machine according to claim 1, wherein: feeding mechanism (4) include extension leading truck (41) and pay-off belt conveyor (42) No. one, extension leading truck (41) fixed mounting just follows on base (1) rotating wheel dish (22) radially stretch to being close to press from both sides the top of pressing from both sides tight positioning mechanism (3), pay-off belt conveyor (42) are installed on extension leading truck (41), on extending leading truck (41) being located pay-off belt conveyor (42) transport front end position is equipped with spacing blend stop (411), spacing blend stop (411) are used for intercepting the motor rotor lamination of carrying.

4. A process for die-casting an electric motor rotor as claimed in claim 3, wherein: the discharging mechanism (7) comprises a second extending guide frame (71) and a discharging belt conveyor (72), the second extending guide frame (71) is fixedly installed on the base (1) and extends to the position close to the radial direction of the rotary wheel disc (22) above the clamping and positioning mechanism (3), and the discharging belt conveyor (72) is installed on the second extending guide frame (71).

5. The die-casting process of claim 4, wherein: the grabbing and feeding mechanism (8) is located above the feeding belt conveyor (42) or the discharging belt conveyor (72), the grabbing and feeding mechanism (8) comprises a horizontal cylinder (81), a sliding plate (82) fixedly connected to the output end of the horizontal cylinder (81), a vertical cylinder (83) vertically and fixedly installed at the top end of the sliding plate (82) and a double-head clamping cylinder (84) horizontally and fixedly connected to the output end of the vertical cylinder (83), the horizontal cylinder (81) is fixedly installed at the top end of the first extension guide frame (41) or the top end of the second extension guide frame (71) through a fixing plate, the sliding plate (82) is horizontally arranged on the first extension guide frame (41) or the second extension guide frame (71) in a sliding mode along the radial direction of the rotating wheel disc (22), and the conveying direction of the feeding belt conveyor (42) and the conveying direction of the discharging belt conveyor (72) are both along the rotating direction The radial setting of movable wheel dish (22), the both sides output direction of double-end centre gripping cylinder (84) is relative the radial perpendicular of rotating wheel dish (22), the both sides output of double-end centre gripping cylinder (84) all is connected with the grip block.

6. The die-casting process of claim 2, wherein: the avoiding tray (31) comprises an avoiding chassis (311) and a heightening base (312) integrally arranged on the avoiding chassis (311), and the avoiding chassis (311) is embedded on the rotating wheel disc (22).

Technical Field

The invention relates to the technical field of motor part machining, and particularly provides a motor rotor die-casting manufacturing process.

Background

The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, wherein the motor rotor is a rotating part in the motor, and the motor rotor can be divided into a motor rotor and a generator rotor. The motor rotor mainly comprises components such as an iron core, a rotor winding, a rotating shaft and the like, and because a thicker large iron core can cause larger eddy current damage and can reduce the motor torque, the motor rotor is generally formed by overlapping a plurality of ferromagnetic conductor sheets and can obviously reduce the eddy current loss, so that the motor rotor is widely in a laminated iron core structure; in order to adapt to mass production, the motor rotor lamination can be processed by blanking and molding, and can also be processed by die casting, in the process of die casting, the position of a slotted hole for winding a rotor winding on a motor rotor sheet cannot completely avoid the generation of burrs, the surface of the motor rotor lamination needs to be coated with an insulating coating, burrs on the motor rotor lamination not only can influence the coating effect and the appearance attractiveness, but also reduces the precision of the lamination assembly and the lamination stacking, so that the motor rotor lamination can not form a compact lamination structure, the surface of the motor rotor lamination needs to be further processed after the motor rotor lamination is subjected to die casting, in the traditional treatment process, the polishing treatment is often carried out manually, the manual treatment efficiency is very low, and improper polishing method can cause damage to motor rotor laminations, thereby affecting the dimensional accuracy and the appearance attractiveness to a certain extent.

Based on the problems, the invention provides a motor rotor die-casting manufacturing process, and particularly relates to a device for cleaning the slot wall of a motor rotor casting.

Disclosure of Invention

In order to solve the above problems, the present invention provides a die-casting manufacturing process for a motor rotor, which is used to solve the above problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a motor rotor die-casting manufacturing process specifically comprises the following steps:

s1, die-casting forming: injecting the smelted metal raw material into a die cavity of a die casting die for cooling and forming;

s2, casting inspection: inspecting the die-cast motor rotor laminated castings, and selecting the motor rotor laminated castings meeting inspection standards;

s3, burr processing: deburring the slot wall of the selected motor rotor laminated casting meeting the inspection standard by a motor rotor casting slot wall cleaning device;

s4, surface treatment: performing surface treatment on the motor rotor lamination casting subjected to the deburring treatment;

s5, finished product warehousing: integrally packaging and warehousing finished products of the motor rotor laminated castings after surface treatment;

the motor rotor die-casting manufacturing process adopting the steps S1-S5 further concretely relates to the motor rotor casting groove wall cleaning device in the process of die-casting production and processing of the motor rotor, and the device comprises a base, an intermittent transposition mechanism, a clamping positioning mechanism, a feeding mechanism, a stirring positioning mechanism, a groove wall cleaning mechanism, a discharging mechanism and a grabbing feeding mechanism, wherein the intermittent transposition mechanism comprises an electric turntable fixedly installed on the base and a rotating wheel disc fixedly installed at the rotating part of the electric turntable in a disc shape, the electric turntable can drive the rotating wheel disc to rotate a quarter of a circle at each time, the upper end of the rotating wheel disc is provided with four clamping positioning mechanisms, the four clamping positioning mechanisms are circumferentially and equidistantly distributed about the rotating central shaft of the electric turntable, and the feeding mechanism, the stirring positioning mechanism, the discharging mechanism and the discharging mechanism, The groove wall cleaning mechanisms and the discharging mechanisms are sequentially distributed along the peripheral circumferential direction of the rotating wheel disc and are all fixedly arranged on the base, the four clamping and positioning mechanisms are arranged in one-to-one correspondence with the feeding mechanism, the stirring and positioning mechanism, the groove wall cleaning mechanisms and the discharging mechanisms, and the grabbing and feeding mechanisms for grabbing motor rotor laminations are correspondingly arranged at the upper ends of the feeding mechanism and the discharging mechanisms; wherein:

the poking positioning mechanism comprises a first side stretching frame, a first lifting cylinder, a poking electric turntable, a double-wing plate and two poking components, wherein the first side stretching frame is fixedly arranged on the base and laterally stretches to the position above the clamping positioning mechanism close to the first side stretching frame;

the poking assembly comprises a sliding shaft vertically and slidably arranged on the side wing plate, a poking block connected to the bottom end of the sliding shaft and a pressure spring sleeved on the sliding shaft, two ends of the pressure spring are fixedly connected between the side wing plate and the poking block, the contour line of the lower end face of the poking block is subjected to chamfering treatment, and the chamfering position of the poking block can be clamped into a slotted hole of a motor rotor lamination;

the groove wall cleaning mechanism comprises a second side stretching frame, a second lifting cylinder, a connecting frame, a guide disc, a driving motor, a linkage disc and a cleaning grinding head assembly, the second side stretching frame is fixedly installed on the base and laterally stretches to the position, close to the base, above the clamping positioning mechanism, the second lifting cylinder is vertically and fixedly installed at the top end of the second side stretching frame, the connecting frame is fixedly connected with the bottom output end of the second lifting cylinder, the guide disc is horizontally and fixedly installed at the bottom end of the connecting frame, the driving motor is fixed on the side wall of the connecting frame, the guide disc is vertically connected with the cleaning grinding head assemblies, the cleaning grinding head assemblies are distributed at equal intervals in the circumferential direction and can be distributed in a one-to-one correspondence with a plurality of slotted holes in a motor rotor lamination in the clamping positioning mechanism clamped below, the clearance bistrique subassembly includes connecting rod, vibrating spring and the head of polishing, the vertical slip setting of connecting rod is in on the positioning disk, the connecting rod is vertical to be run through to be fixed on the interlock dish, the vibrating spring cover is established on the connecting rod and both ends fixed connection be in the positioning disk bottom end face with between the interlock dish up end, the head of polishing fixed connection be in the connecting rod bottom, just the outline of the head of polishing matches with the slotted hole profile phase of motor rotor lamination, be equipped with the cam on driving motor's the output shaft, the interlock dish upper end is equipped with and passes the top touch multitouch of positioning disk, the cam all the time with the contact of top touch multitouch upper end.

Preferably, the clamping and positioning mechanism comprises a disc-shaped avoidance tray, a circular ring and eight clamping assemblies, the avoidance tray is mounted on the upper end surface of the rotary wheel disc in an embedded manner, the circular ring is fixedly mounted on the upper end surface of the rotary wheel disc, the central axis of the circular ring is coincident with the central axis of the avoidance tray, the eight clamping assemblies are fixedly mounted on the circular ring and are uniformly distributed along the circumferential direction of the circular ring, each clamping assembly comprises a guide sleeve, a clamping spring and a ball clamping block, the guide sleeve is horizontally and fixedly connected onto the outer side wall of the circular ring, the ball clamping block is located on the inner side of the circular ring and is horizontally arranged with the guide sleeve in a sliding manner along the radial direction of the circular ring, and two ends of each clamping spring are fixedly connected between the inner end surface of the guide sleeve and the ball clamping block; the central axis of rotation of stirring electric turntable coincides with the central axis of ring, and a plurality of clearance bistrique subassembly is the circumference evenly distributed about the central axis of the ring in the tight positioning mechanism of clamp that is close to.

Preferably, the feeding mechanism comprises an extension guide frame and a feeding belt conveyor, the extension guide frame is fixedly installed on the base and radially extends to a position above the clamping and positioning mechanism, which is close to the base, along the rotating wheel disc, the feeding belt conveyor is installed on the extension guide frame, a limiting barrier strip is arranged at the position, located at the conveying front end of the feeding belt conveyor, on the extension guide frame, and the limiting barrier strip is used for intercepting conveyed motor rotor laminations.

Preferably, the discharging mechanism comprises a second extending guide frame and a discharging belt conveyor, the second extending guide frame is fixedly installed on the base and radially extends to the position, close to the upper side of the clamping and positioning mechanism, above the rotating wheel disc, and the discharging belt conveyor is installed on the second extending guide frame.

Preferably, the grabbing and feeding mechanism is located above the feeding belt conveyor or the discharging belt conveyor, the grabbing and feeding mechanism includes a horizontal cylinder, a sliding plate fixedly connected to an output end of the horizontal cylinder, a vertical cylinder vertically and fixedly installed at a top end of the sliding plate, and a double-headed clamping cylinder horizontally and fixedly connected to an output end of the vertical cylinder, the horizontal cylinder is fixedly installed at a top end of the first extension guide frame or a top end of the second extension guide frame through a fixing plate, the sliding plate is horizontally and slidably arranged on the first extension guide frame or the second extension guide frame along a radial direction of the rotary wheel disc, a conveying direction of the feeding belt conveyor and a conveying direction of the discharging belt conveyor are both arranged along the radial direction of the rotary wheel disc, output directions of two sides of the double-headed clamping cylinder are perpendicular to the radial direction of the rotary wheel disc, the output ends of the two sides of the double-head clamping cylinder are both connected with clamping plates.

Preferably, the avoiding tray comprises an avoiding chassis and a heightening base integrally arranged on the avoiding chassis, and the avoiding chassis is embedded in the rotating wheel disc.

The technical scheme has the following advantages or beneficial effects:

the invention provides a motor rotor die-casting manufacturing process, in particular to a motor rotor casting groove wall cleaning device, which mainly aims at automatically polishing and cleaning a groove hole of an electronic rotor lamination casting which is subjected to die-casting molding, and comprises a feeding mechanism (material conveying position), a stirring positioning mechanism (stirring position), a groove wall cleaning mechanism (polishing position) and a discharging mechanism (material discharging position) which are sequentially distributed on the periphery of an intermittent transposition mechanism along the circumferential direction, grabbing feeding mechanisms are arranged on the feeding mechanism and the discharging mechanism for auxiliary feeding, clamping and positioning mechanisms uniformly arranged on a rotating wheel disc can clamp and position motor rotor laminations, and the motor rotor laminations which are positioned and clamped can be driven by the intermittent transposition mechanism to sequentially pass through the material conveying position, the stirring position, the polishing position and the material discharging position and sequentially clamp and position the motor rotor laminations, The automatic grinding machine has the advantages that a series of streamlined automatic operations of poking guiding, grinding after guiding and discharging after grinding are suitable for streamlined processing, efficiency is greatly improved, grinding quality is uniformly high, damage to motor rotor laminations caused by improper grinding can be avoided, grinding quality is guaranteed, and size precision and appearance attractiveness of the motor rotor laminations are maintained.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a process flow diagram of a die-casting manufacturing process for a motor rotor according to the present invention;

FIG. 2 is a schematic perspective view of a slot wall cleaning device for a motor rotor casting provided by the invention at a viewing angle;

FIG. 3 is a schematic perspective view of a cleaning device for a slot wall of a casting of a motor rotor provided by the invention at another view angle;

FIG. 4 is an enlarged partial schematic view at A of FIG. 3;

FIG. 5 is an enlarged partial schematic view at B in FIG. 3;

FIG. 6 is a top view of a cleaning device for slot walls of a casting of a motor rotor provided by the invention;

FIG. 7 is an enlarged partial schematic view at C of FIG. 6;

FIG. 8 is a side view of a slot wall cleaning device for a casting of an electric machine rotor provided by the invention from one perspective;

FIG. 9 is a side view of a slot wall cleaning device for a casting of an electric machine rotor provided by the invention from another perspective;

FIG. 10 is a schematic perspective view of an avoiding tray;

fig. 11 is a schematic perspective view of a motor rotor lamination stack to be processed by the device for cleaning the slot wall of the motor rotor casting provided by the invention.

In the figure: 1. a base; 2. an intermittent transposition mechanism; 21. an electric turntable; 22. rotating the wheel disc; 3. a clamping and positioning mechanism; 31. a position avoiding tray; 311. a position avoiding chassis; 312. heightening the base; 32. a circular ring; 33. a clamping assembly; 331. a guide sleeve; 332. a clamping spring; 333. a ball head clamping block; 4. a feeding mechanism; 41. a first extension guide frame; 411. a limiting barrier strip; 42. a belt conveyor; 5. poking the positioning mechanism; 51. a first side extension frame; 52. a first lifting cylinder; 53. the electric turntable is shifted; 54. a double wing plate; 541. a side wing panel; 55. the component is stirred; 551. a sliding shaft; 552. a shifting block; 553. a pressure spring; 6. a tank wall cleaning mechanism; 61. a second side extension frame; 62. a second lifting cylinder; 63. a connecting frame; 64. a guide plate; 65. a drive motor; 651. a cam; 66. a linkage disk; 661. a top contact block; 67. cleaning the grinding head assembly; 671. a connecting rod; 672. a vibration spring; 673. polishing head; 7. a discharge mechanism; 71. a second extension guide frame; 72. a discharge belt conveyor; 8. a grabbing and feeding mechanism; 81. a horizontal cylinder; 82. a sliding plate; 83. a vertical cylinder; 84. a double-ended clamping cylinder; 841. and (4) clamping the plate.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to fig. 1-11, a die-casting manufacturing process for a motor rotor specifically includes the following steps:

s1, die-casting forming: injecting the smelted metal raw material into a die cavity of a die casting die for cooling and forming;

s2, casting inspection: inspecting the die-cast motor rotor laminated castings, and selecting the motor rotor laminated castings meeting inspection standards;

s3, burr processing: deburring the slot wall of the selected motor rotor laminated casting meeting the inspection standard by a motor rotor casting slot wall cleaning device;

s4, surface treatment: performing surface treatment on the motor rotor lamination casting subjected to the deburring treatment;

s5, finished product warehousing: integrally packaging and warehousing finished products of the motor rotor laminated castings after surface treatment;

the motor rotor die-casting manufacturing process adopting the steps S1-S5 also specifically relates to the motor rotor casting groove wall cleaning device in the process of die-casting production and processing of the motor rotor, which comprises a base (1), an intermittent transposition mechanism (2), a clamping and positioning mechanism (3), a feeding mechanism (4), a stirring and positioning mechanism (5), a groove wall cleaning mechanism (6), a discharging mechanism (7) and a grabbing and feeding mechanism (8); the device provided by the invention can be used for carrying out a series of automatic continuous operations of feeding, clamping, aligning, polishing and discharging on a die-cast motor rotor lamination casting.

The intermittent transposition mechanism (2) comprises an electric turntable (21) fixedly arranged on the base (1) through bolts and a rotating wheel disc (22) which is fixedly arranged on the rotating part of the electric turntable (21) through screws and is disc-shaped, and the electric turntable (21) can drive the rotating wheel disc (22) to rotate for a quarter of a circle each time; four positions of the periphery of the rotating wheel disc (22), which are close to the feeding mechanism (4), the stirring positioning mechanism (5), the groove wall cleaning mechanism (6) and the discharging mechanism (7), are sequentially a material conveying position, a correcting position, a polishing position and a discharging position, the rotating wheel disc (22) can be driven to rotate intermittently by starting the electric rotating disc (21), a quarter circle is rotated every time, and four clamping positioning mechanisms (3) which are uniformly arranged on the rotating wheel disc (22) are driven to sequentially perform circular switching at the four positions.

The upper end of the rotary wheel disc (22) is provided with four clamping and positioning mechanisms (3), the four clamping and positioning mechanisms (3) are distributed at equal intervals on the circumference of the rotary central shaft of the electric rotary disc (21), the feeding mechanism (4), the stirring and positioning mechanism (5), the groove wall cleaning mechanism (6) and the discharging mechanism (7) are sequentially distributed along the peripheral circumferential direction of the rotary wheel disc (22) and are all fixedly arranged on the base (1), the four clamping and positioning mechanisms (3), the feeding mechanism (4), the stirring and positioning mechanism (5), the groove wall cleaning mechanism (6) and the discharging mechanism (7) are arranged in a one-to-one correspondence manner, and the upper ends of the feeding mechanism (4) and the discharging mechanism (7) are respectively and correspondingly provided with a grabbing and feeding mechanism (8) for grabbing motor rotor;

feeding mechanism (4) include extension leading truck (41) and pay-off belt conveyor (42) No. one, extension leading truck (41) welded fastening installs on base (1) and radially stretches to the top of the tight positioning mechanism (3) of clamp that is close to along rotating wheel dish (22), pay-off belt conveyor (42) are installed on extension leading truck (41) No. one, extend leading truck (41) on lieing in pay-off belt conveyor (42) and carry the front end position and be equipped with spacing blend stop (411), spacing blend stop (411) are used for intercepting the motor rotor lamination of carrying. The die-casting motor rotor lamination casting is placed on a feeding belt conveyor (42), the feeding belt conveyor (42) drives the motor rotor lamination casting to move towards the direction of a limiting barrier strip (411) and is finally intercepted at the position of the limiting barrier strip (411), and the limiting barrier strip (411) is used for conveying and positioning the motor rotor lamination casting so as to be convenient for grabbing a feeding mechanism (8) to accurately grab and place the motor rotor lamination casting in a clamping and positioning mechanism (3).

The grabbing and feeding mechanism (8) is positioned above the feeding belt conveyor (42) or the discharging belt conveyor (72), the grabbing and feeding mechanism (8) comprises a horizontal cylinder (81), a sliding plate (82) fixedly connected to the output end of the horizontal cylinder (81) in a welding mode, a vertical cylinder (83) vertically and fixedly installed at the top end of the sliding plate (82) through bolts and a double-head clamping cylinder (84) horizontally and fixedly connected to the output end of the vertical cylinder (83) (the double-head clamping cylinder (84) is of an existing cylinder structure with two output ends), the horizontal cylinder (81) is fixedly installed at the top end of a first extension guide frame (41) or the top end of a second extension guide frame (71) through a fixing plate, the sliding plate (82) is arranged on the first extension guide frame (41) or the second extension guide frame (71) in a horizontal sliding mode along the radial direction of the rotating wheel disc (22), and the conveying direction of the feeding belt conveyor (42) and the conveying direction of the discharging belt conveyor (72) are both arranged along 22) The output directions of the two sides of the double-head clamping cylinder (84) are vertical to the radial direction of the rotating wheel disc (22) relatively, and the output ends of the two sides of the double-head clamping cylinder (84) are connected with clamping plates.

The grabbing and feeding mechanism (8) arranged on the feeding mechanism (4) is used for grabbing and conveying the motor rotor laminations positioned on the feeding belt conveyor (42) to the adjacent clamping and positioning mechanism (3), specifically, the vertical cylinder (83) is used for driving the double-head clamping cylinder (84) to descend to a clamping position, then the double-head clamping cylinder (84) is started to drive the two clamping plates (841) to complete clamping of the motor rotor laminations on the feeding belt conveyor (42), then the horizontal cylinder (81) is used for driving the motor rotor to move to the position above the adjacent clamping and positioning mechanism (3), and then the vertical cylinder (83) is used for driving the motor rotor laminations to descend and tightly press and clamp the motor rotor laminations in the clamping and positioning mechanism (3); the grabbing and feeding mechanism (8) arranged on the discharging mechanism (7) is used for grabbing and conveying the motor rotor lamination positioned in the clamping and positioning mechanism (3) to the discharging belt conveyor (72), and the process is opposite to the action process of the grabbing and feeding mechanism (8) arranged on the feeding mechanism (4), and is not described herein again.

The clamping and positioning mechanism (3) comprises a disc-shaped avoidance tray (31), a circular ring (32) and eight clamping components (33), the avoidance tray (31) is embedded and installed on the upper end surface of the rotating wheel disc (22), the circular ring (32) is fixedly installed on the upper end surface of the rotating wheel disc (22) in a welding mode, the central axis of the circular ring (32) coincides with the central axis of the avoidance tray (31), the eight clamping components (33) are fixedly installed on the circular ring (32) and are evenly distributed along the circumferential direction of the circular ring (32), each clamping component (33) comprises a guide sleeve (331), the clamping device comprises a clamping spring (332) and a ball head clamping block (333), a guide sleeve (331) is horizontally welded on the outer side wall of a circular ring (32), the ball head clamping block (333) is located on the inner side of the circular ring (32) and is horizontally arranged with the guide sleeve (331) in a sliding mode along the radial direction of the circular ring (32), and two ends of the clamping spring (332) are welded between the inner end face of the guide sleeve (331) and the ball head clamping block (333); the rotating central axis of the stirring electric turntable (53) is coincident with the central axis of the circular ring (32), and the eight cleaning grinding head components (67) are uniformly distributed in a circle around the central axis of the circular ring (32) in the close clamping and positioning mechanism (3).

The avoiding tray (31) comprises an avoiding chassis (311) and a heightening base (312) integrally arranged on the avoiding chassis (311), and the avoiding chassis (311) is embedded on the rotating wheel disc (22). The avoiding chassis (311) and the heightening base (312) are integrally formed, and the heightening base (312) is arranged to heighten the motor rotor lamination so that the periphery of the motor rotor lamination can be clamped on the ball head clamping block (333) on one hand, and to avoid the clamping plate (841) through heightening on the other hand; the avoiding chassis (311) is mainly used for avoiding the grinding head (673).

In the feeding position, a grabbing feeding mechanism (8) arranged on a feeding mechanism (4) grabs and feeds motor rotor laminations conveyed from a feeding belt conveyor (42) into a clamping and positioning mechanism (3), specifically, a double-head clamping cylinder (84) aligns and inserts the clamped motor rotor laminations into eight clamping assemblies (33), a clamping spring (332) is compressed, and the motor rotor laminations are flatly placed on a padding base (312) and clamped between eight ball head clamping blocks (333).

The toggle positioning mechanism (5) comprises a first side extension frame (51), a first lifting cylinder (52), a toggle electric turntable (53), a double-wing plate (54) and two toggle components (55), the first side stretching frame (51) is fixedly welded on the base (1) and stretches laterally to the position above the clamping and positioning mechanism (3) close to the first side stretching frame, the first lifting cylinder (52) is vertically and fixedly installed at the top end of the first side stretching frame (51) through bolts, the poking electric rotary table (53) is fixedly connected with the output end of the first lifting cylinder (52) through bolts, the double wing plates (54) are horizontally and fixedly connected to the rotating part of the poking electric rotary table (53) through bolts, the double wing plates (54) are relatively provided with two side wing plates (541), the two poking assemblies (55) are correspondingly arranged on the two side wing plates (541) one by one, and the two poking assemblies (55) are arranged in a mirror symmetry mode and have the same distance to the rotating central shaft of the poking electric rotary table (53);

the poking assembly (55) comprises a sliding shaft (551) vertically and slidably arranged on a side wing plate (541), a poking block (552) welded at the bottom end of the sliding shaft (551) and a pressure spring (553) sleeved on the sliding shaft (551), two ends of the pressure spring (553) are welded between the side wing plate (541) and the poking block (552), the contour line of the lower end face of the poking block (552) is chamfered, and the chamfered position of the poking block (552) can be clamped into a slotted hole of a motor rotor lamination; the dial block (552) is provided for the slot matching machining of the motor rotor lamination of the structure shown in fig. 11.

After the motor rotor lamination is driven to rotate from the feeding position to the shifting position through the intermittent transposition mechanism (2), the shifting positioning assembly shifts and guides the motor rotor lamination clamped in the clamping positioning mechanism (3), specifically, the lower structure is driven to wholly descend by starting the first lifting cylinder (52), so that two shifting blocks (552) are in contact with the surface of the motor rotor lamination and a pressure spring (553) is in a compression state, then the shifting electric turntable (53) is started to drive the two shifting assemblies (55) to rotate along with the surface of the motor rotor lamination, when the shifting blocks (552) pass through a slotted hole of the motor rotor lamination, the shifting blocks (552) are clamped into the slotted hole under the elastic action of the pressure spring (553), the shifting is continued to be shifted along with the shifting electric turntable (53), the turntable of the electric turntable (53) is shifted for half a turn intermittently rotating at each time, and the motor rotor lamination can be shifted through the two shifting assemblies (55) under the driving action of the shifting electric turntable (53) And (5) poking, guiding and positioning the lamination.

The groove wall cleaning mechanism (6) comprises a second side extending frame (61), a second lifting cylinder (62), a connecting frame (63), a guide disc (64), a driving motor (65), a linkage disc (66) and cleaning grinding head assemblies (67), the second side extending frame (61) is fixedly welded on the base (1) and extends to the upper side of the clamping and positioning mechanism (3) close to the base, the second lifting cylinder (62) is vertically and fixedly installed at the top end of the second side extending frame (61) through bolts, the connecting frame (63) is welded with the bottom output end of the second lifting cylinder (62), the guide disc (64) is horizontally and fixedly installed at the bottom end of the connecting frame (63), the driving motor (65) is fixed on the side wall of the connecting frame (63) through bolts, the guide disc (64) is vertically connected with eight cleaning grinding head assemblies (67), the eight cleaning grinding head assemblies (67) are equidistantly distributed in the circumferential direction, and eight cleaning grinding head assemblies (67) can be distributed in one-to-one correspondence with eight slotted holes on a motor rotor lamination clamped in a clamping and positioning mechanism (3) below, each cleaning grinding head assembly (67) comprises a connecting rod (671), a vibration spring (672) and a grinding head (673), the connecting rod (671) is vertically arranged on the guide disc (64) in a sliding manner, the connecting rod (671) vertically penetrates through and is welded on the linkage disc (66), the vibration spring (672) is sleeved on the connecting rod (671) and two ends of the vibration spring are welded between the bottom end face of the guide disc (64) and the upper end face of the linkage disc (66), the grinding head (673) is welded at the bottom end of the connecting rod (671), the outer contour of the grinding head (673) is matched with the slotted hole contour of the motor rotor lamination (the grinding head (673) can be ground by being adhered to the slot wall of the motor rotor lamination), a cam (651, the upper end of the linkage disc (66) is provided with a top contact block (661) which penetrates through the guide disc (64), and the cam (651) is always in contact with the upper end of the top contact block (661).

After the poking and guiding of the motor rotor lamination is completed at the poking position, the motor rotor lamination is immediately rotated to the polishing position through the intermittent transposition mechanism (2), the groove wall cleaning mechanism (6) cleans and polishes the groove wall of the motor rotor lamination at the polishing position, concretely, as the poking and guiding are completed, eight polishing heads (673) are correspondingly distributed right above the eight groove holes one by one, on one hand, a second lifting cylinder (62) is started to drive a cleaning polishing head assembly (67) to descend to a position to be polished, on the other hand, a driving motor (65) is started to realize the rotation of a cam (651), when the cam (651) rotates, a top contact block (661) pushes a connecting disc (66) to move downwards at a push stroke stage, a vibration spring (672) is stretched, and the vibration spring (672) returns to enable the connecting disc (66) to ascend at a return stroke stage, and then the connecting disc (66) is enabled to do short-stroke repeated ascending and descending motions at the rotation process of the cam (651), then the eight polishing heads (673) are driven to correspondingly extend into the slotted holes to repeatedly enter and exit to polish the slot walls, so that the slot walls of the motor rotor lamination are cleaned and polished.

The discharging mechanism (7) comprises a second extending guide frame (71) and a discharging belt conveyor (72), the second extending guide frame (71) is fixedly welded on the base (1) and radially extends to the upper side of the close clamping and positioning mechanism (3) along the rotating wheel disc (22), and the discharging belt conveyor (72) is installed on the second extending guide frame (71). After the polished motor rotor lamination casting rotates to a position close to the discharging mechanism (7), the grabbing and feeding mechanism (8) arranged on the discharging mechanism (7) grabs the motor rotor lamination and conveys the motor rotor lamination to the discharging belt conveyor (72), and the discharging belt conveyor (72) automatically conveys the motor rotor lamination outwards.

The invention provides a die-casting manufacturing process of a motor rotor, in particular to a slot wall cleaning device of a motor rotor casting, which mainly aims at automatically polishing and cleaning a slot hole of an electronic rotor lamination casting which is formed by die-casting, and comprises a feeding mechanism (4) (a material feeding position), a poking positioning mechanism (5) (a poking position), a slot wall cleaning mechanism (6) (a polishing position) and a discharging mechanism (7) (a material discharging position) which are sequentially distributed on the periphery of an intermittent transposition mechanism (2) along the circumferential direction, grabbing and feeding mechanisms (8) are arranged on the feeding mechanism (4) and the discharging mechanism (7) for auxiliary feeding, clamping and positioning mechanisms (3) uniformly arranged on a rotating wheel disc (22) can clamp and position the motor rotor lamination, and the motor rotor lamination positioned and clamped by the intermittent transposition mechanism (2) can be driven to sequentially pass through the material feeding position, The automatic grinding machine has the advantages that a series of streamlined automatic operations of clamping, poking and guiding motor rotor laminations, polishing after guiding and discharging after polishing are sequentially completed through poking the position, the grinding position and the discharging position, the automatic grinding machine is suitable for streamlined processing, efficiency is greatly improved, grinding quality is uniform and high, damage to the motor rotor laminations caused by improper grinding can be avoided, grinding quality is guaranteed, and size precision and appearance attractiveness of the motor rotor laminations are maintained.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.