CN213671941U - Equipment for processing blind hole in inner cavity of permanent magnet motor roller - Google Patents
Equipment for processing blind hole in inner cavity of permanent magnet motor roller Download PDFInfo
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- CN213671941U CN213671941U CN202022422590.0U CN202022422590U CN213671941U CN 213671941 U CN213671941 U CN 213671941U CN 202022422590 U CN202022422590 U CN 202022422590U CN 213671941 U CN213671941 U CN 213671941U
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Abstract
The utility model provides a permanent-magnet machine cylinder inner chamber blind hole processing equipment belongs to the motor and makes technical field, include: the device comprises a base, an angle adjusting mechanism, a chuck, an adjustable center frame, a tool rest, an axial feeding mechanism and a centering mechanism, wherein the angle adjusting mechanism, the chuck, the adjustable center frame, the tool rest, the axial feeding mechanism and the centering mechanism are sequentially arranged on the base; the base is provided with a guide rail; the chuck is used for clamping one end of the motor roller, and the suspended end of the motor roller is supported on the adjustable center frame; the angle adjusting mechanism drives the chuck to drive the motor roller to rotate; the adjustable center frame slides back and forth along the guide rail of the base, and the distance between the adjustable center frame and the chuck is adjusted to support the motor rollers with different lengths. The tool rest is provided with a drilling mechanism, and the drilling mechanism comprises a tool bar, a drill bit, a rotary driving assembly and a feeding driving assembly. The drill bit extends into the motor roller along with the cutter bar, and punches holes from inside to outside in the motor roller, so that blind holes can be directly punched on the inner wall of the motor roller, the process is simple, and the processing period is shortened; the punching precision is improved.
Description
Technical Field
The utility model belongs to the technical field of the motor is made, more specifically says, relates to a permanent-magnet machine cylinder inner chamber blind hole processing equipment.
Background
In the field of motor manufacturing, the permanent magnet synchronous motor roller and the permanent magnet are installed in a mode that the permanent magnet is punched, then the permanent magnet is tightly pressed in the motor roller through a bolt or a pressing strip, the pressing strip is fixed with the motor roller through the bolt, and the two installation modes both need punching on the motor roller.
Because the permanent magnet is installed at the inner wall of motor cylinder, only need set up the blind hole on the motor cylinder can, the bolt need not be seen to the position that corresponds the bolt in the outside of motor cylinder. However, in the conventional punching mode, only the through hole is punched on the motor roller from the outside, and then the outer end of the through hole is welded and blocked, so that the through hole becomes a blind hole. The punching mode has the advantages of complex process, high processing cost and long processing period. Meanwhile, the drill bit is easy to deviate in the process of punching from outside to inside, so that the deviation of the inner side of the through hole is large, and the installation of the permanent magnet is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permanent-magnet machine cylinder inner chamber blind hole processing equipment, it is complicated to aim at solving present motor cylinder mode of punching, and the blind hole deviation of installation permanent magnet is great, leads to the poor problem of permanent magnet installation accuracy.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a permanent-magnet machine cylinder inner chamber blind hole processing equipment, includes: the device comprises a base, an angle adjusting mechanism, a chuck, an adjustable center frame, a tool rest, an axial feeding mechanism and a centering mechanism, wherein the angle adjusting mechanism, the chuck, the adjustable center frame, the tool rest, the axial feeding mechanism and the centering mechanism are sequentially arranged on the base; the base is provided with a guide rail, and the adjustable center frame and the tool rest both have the freedom degree of reciprocating sliding along the guide rail of the base; the chuck is used for clamping one end of the motor roller, and the suspended end of the motor roller is supported on the adjustable center frame; the angle adjusting mechanism drives the chuck to drive the motor roller to rotate, and comprises a driving motor which is rotationally connected with the chuck; the adjustable center frame slides back and forth along the guide rail of the base, and the distance between the adjustable center frame and the chuck is adjusted so as to support motor rollers with different lengths; the adjustable steady rest includes: the bottom of the supporting frame is in sliding fit with the guide rail of the base, and the upper part of the supporting frame is provided with an arc-shaped groove; the two groups of jacks are symmetrically arranged on the support frame, telescopic rods of the jacks penetrate through the support frame and extend into the arc-shaped groove, and the motor roller is supported on the telescopic rods of the jacks; the end part of the telescopic rod is provided with a roller which is used for supporting the motor roller; the drilling mechanism comprises a cutter bar, a drill bit arranged at one end of the cutter bar, a rotary driving assembly used for driving the drill bit to rotate, and a feeding driving assembly used for driving the rotary driving assembly to drive the drill bit to feed in the radial direction; the rotary driving assembly is fixed on the cutter bar, the feed driving assembly is fixed on the cutter rest, the drill extends into the motor roller along with the cutter bar and moves along the motor roller along with the cutter rest in the axial direction, and the feed driving assembly drives the drill to feed and punch a blind hole in the radial direction of the inner wall of the motor roller; the axial feeding mechanism is used for driving the tool rest to drive the drilling mechanism to axially move along the motor roller; the centering mechanism comprises a centering center and a connecting disc, the centering center is in threaded connection with the tool rest, and the center height of the centering center is consistent with that of the chuck; the connecting disc is provided with a spigot clamped with the inner wall or the outer wall of the motor roller and a top hole for tightly pushing the centering top.
As another embodiment of the present application, the angle adjusting mechanism includes: the servo motor is arranged on the base; the driving wheel is arranged on a main shaft of the servo motor; the driven wheel is connected with the central shaft of the chuck through a coupling; the vertical conveying belt is wound on the driving wheel and the driven wheel; the servo motor drives the chuck to rotate through belt transmission.
As another embodiment of the present application, the angle adjusting mechanism includes an index head mounted on the base, and an output shaft of the index head is connected to a central shaft of the chuck.
As another embodiment of the present application, the feed drive assembly includes: the radial feed motor is arranged on the tool rest; the radial feed screw rod is connected with a main shaft of the radial feed motor, a support used for supporting the radial feed screw rod is arranged on the tool rest, and the radial feed screw rod is rotationally connected with the support; the radial transmission nut is in threaded connection with the radial feeding screw rod and is fixed on the rotary driving assembly or the cutter bar; and the rotary motion of the radial feed screw rod is converted into the linear motion of the rotary driving assembly and the cutter bar through the radial transmission nut.
As another embodiment of the present application, the rotary drive assembly includes: the rotary driving motor is fixed on the cutter bar and is fixedly connected with the radial transmission nut; the driving wheel is arranged on a main shaft of the rotary driving motor; the drill sleeve is rotatably arranged at one end of the cutter bar, and the drill bit is arranged on an inner hole of the drill sleeve; the driven wheel is arranged outside the drill sleeve, and the drill sleeve and the drill bit rotate synchronously with the driven wheel; the horizontal conveyor belt is wound on the driving wheel and the driven wheel; the rotary driving motor drives the drill bit to drill in a rotary mode through belt transmission.
As another embodiment of the application, a guide rail is arranged on the tool rest, and the other end of the tool bar is in sliding fit with the guide rail of the tool rest.
As another embodiment of the application, two groups of the drilling mechanisms are symmetrically arranged on the tool rest.
As another embodiment of the present application, the axial feed mechanism includes: the axial feed motor is arranged on the base; the axial feeding screw rod is connected with a main shaft of the axial feeding motor; the axial feeding nut is arranged on the tool rest and is in threaded connection with the axial feeding screw rod; and the rotary motion of the axial feeding screw rod is converted into the linear motion of the tool rest through the axial feeding nut.
As another embodiment of the present application, the chuck is a three-jaw chuck or a four-jaw chuck.
As another embodiment of the present application, the centering point is provided with a handle.
The utility model provides a permanent-magnet machine cylinder inner chamber blind hole processing equipment's beneficial effect lies in: compared with the prior art, the blind hole processing equipment for the inner cavity of the permanent magnet motor roller is mainly characterized in that the cutter bar and the drill bit extend into the motor roller, the drill bit punches holes in the motor roller from inside to outside, the blind holes can be directly punched on the inner wall of the motor roller, the punching process is simple, the processing cost is reduced, and the processing period is shortened; meanwhile, the blind hole is directly punched from the inside of the motor roller, so that the problem of deviation in the punching process is avoided, the punching precision is improved, the installation precision of the permanent magnet can be improved, and the generation quality of a product is finally improved.
When punching is carried out, the motor roller is clamped on the chuck and is supported by the adjustable center frame, the angle adjusting mechanism drives the motor roller to rotate for a certain angle through the chuck according to the position of a preset blind hole on the motor roller, and the axial feeding mechanism drives the tool rest to axially move along the motor roller so that the drill bit drills at different positions; the feed driving assembly drives the drill bit to feed radially, and the rotary driving assembly drives the drill bit to rotate so as to directly punch the blind hole.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a permanent magnet motor roller inner cavity blind hole processing device provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the chuck provided in FIG. 1;
FIG. 3 is a schematic side view of the chuck of FIG. 2;
FIG. 4 is a schematic side view of the adjustable center frame of FIG. 1;
FIG. 5 is a schematic structural diagram of a right part of the permanent magnet motor roller inner cavity blind hole machining device provided in FIG. 1;
fig. 6 is a partial enlarged view of a portion a in fig. 5;
fig. 7 is a schematic structural diagram ii of a permanent magnet motor drum inner cavity blind hole processing device according to an embodiment of the present invention;
fig. 8 is a third schematic structural view of the equipment for processing the blind hole in the inner cavity of the permanent magnet motor roller provided by the embodiment of the present invention.
In the figure: 1. a base; 2. an angle adjusting mechanism; 21. a motor base; 22. a servo motor; 23. a driving wheel; 24. a vertical conveyor belt; 25. a driven wheel; 3. a coupling; 4. a chuck; 41. a supporting seat; 42. a central disk; 43. a claw; 5. a motor drum; 6. an adjustable center frame; 61. a rolling wheel; 62. a jack; 63. a support frame; 7. a drilling mechanism; 71. a cutter bar; 72. a rotary drive motor; 73. a radial feed motor; 74. a horizontal conveyor belt; 75. a drive wheel; 76. a radial feed screw; 77. a radial drive nut; 78. a drill bit; 79. a driven wheel; 710. drilling a sleeve; 8. a tool holder; 9. a centering mechanism; 91. centering the center; 92. a handle; 93. a connecting disc; 10. an axial feed mechanism; 101. an axial feed motor; 102. an axial feed screw; 103. an axial feed nut; 11. an index head.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 7 and fig. 8, the processing equipment for blind holes in the drum inner cavity of the permanent magnet motor according to the present invention will now be described. Permanent-magnet machine cylinder inner chamber blind hole processing equipment includes: the device comprises a base 1, an angle adjusting mechanism 2, a chuck 4, an adjustable center frame 6, a tool rest 8 and an axial feeding mechanism 10 which are sequentially arranged on the base 1; the base 1 is provided with a guide rail, and the adjustable center frame 6 and the tool rest 8 both have the freedom degree of reciprocating sliding along the guide rail of the base 1; the chuck 4 is used for clamping one end of the motor roller 5, and the suspended end of the motor roller 5 is supported on the adjustable center frame 6; the angle adjusting mechanism 2 drives the chuck 4 to drive the motor roller 5 to rotate; the adjustable center frame 6 slides back and forth along the guide rail of the base 1 to adjust the distance from the chuck 4 so as to support the motor rollers 5 with different lengths.
The tool rest 8 is provided with a drilling mechanism 7, and the drilling mechanism 7 comprises a tool bar 71, a drill bit 78 arranged at one end of the tool bar 71, a rotary driving component for driving the drill bit 78 to rotate, and a feeding driving component for driving the rotary driving component to drive the drill bit 78 to feed in the radial direction; the rotary driving assembly is fixed on the cutter bar 71, the feed driving assembly is fixed on the cutter frame 8, the drill 78 extends into the motor roller 5 along with the cutter bar 71 and moves along the motor roller 5 along with the cutter frame 8 in the axial direction, and the feed driving assembly drives the drill 78 to feed and punch a blind hole in the radial direction on the inner wall of the motor roller 5; the axial feeding mechanism 10 is used for driving the tool rest 8 to drive the drilling mechanism 7 to axially move along the motor roller 5.
The utility model provides a permanent magnet motor cylinder inner chamber blind hole processing equipment, compared with the prior art, the most important characteristics are that cutter arbor 71 and drill bit 78 stretch into inside motor cylinder 5, drill bit 78 punches from inside to outside inside motor cylinder 5, can directly punch the blind hole at the inner wall of motor cylinder 5, avoid the problem of poor quality and inefficiency that the rewelding of processing the through-hole from the outside causes, the work piece is once clamped, the drilling process can realize automatic processing according to the numerical control procedure, do not need operating personnel to carry out secondary operation to the processing completion, the drilling process is simple, the processing cost is reduced, the processing cycle is shortened; meanwhile, the blind hole is directly punched from the inside of the motor roller 5, so that the problem of deviation in the punching process is avoided, the punching precision is improved, the installation precision of the permanent magnet can be improved, and the generation quality of a product is finally improved.
When punching is performed, the motor roller 5 is clamped on the chuck 4 and supported by the adjustable center frame 6, the angle adjusting mechanism 2 drives the motor roller 5 to rotate by a certain angle through the chuck 4 according to the position of a preset blind hole on the motor roller 5, and the axial feeding mechanism 10 drives the tool rest 8 to move axially along the motor roller 5, so that the drill bit 78 drills at different positions; the feed drive assembly drives the drill bit 78 to feed radially, and the rotary drive assembly drives the drill bit 78 to rotate, so that the blind hole can be directly punched.
The angle adjusting mechanism 2 drives the chuck 4 to drive the motor roller 5 to rotate by a certain angle, the herein-called certain angle is determined according to the circumferential angle of the preset blind hole on the motor roller 5, and the angle can be 20 degrees, 30 degrees, 45 degrees, 60 degrees and the like according to the blind hole on the motor roller 5.
As a specific implementation manner of the permanent magnet motor roller inner chamber blind hole processing equipment provided by the utility model, please refer to fig. 1, angle adjustment mechanism 2 includes: the device comprises a servo motor 22, a driving wheel 23, a driven wheel 25 and a vertical conveying belt 24, wherein the servo motor 22 is arranged on the base 1; the driving wheel 23 is arranged on the main shaft of the servo motor 22; the driven wheel 25 is connected with the central shaft of the chuck 4 through a coupling 3; the vertical transmission belt 24 is wound on the driving wheel 23 and the driven wheel 25; the servo motor 22 drives the chuck 4 to rotate by a certain angle through belt transmission. The angle adjusting mechanism 2 rotates by a corresponding angle according to the hole position to be processed of the motor roller 5. Wherein, the servo motor 22 is fixed on the base 1 through bolts. The servo motor 22 is a power element for rotating the chuck 4, the power of the servo motor is transmitted to the central disc of the chuck 4 through the coupler 3, the driving wheel 23, the vertical transmission belt 24 for vertical transmission, the driven wheel 25 and the coupler 3, after each hole or a row of axially arranged holes is drilled, the servo motor 22 rotates for a preset angle, and the motor roller 5 rotates to the next position to be machined.
For the angle adjusting mechanism 2, specifically, the driving wheel 23 is a small belt wheel, and the driven wheel 25 is a large belt wheel, that is, the outer diameter of the large belt wheel is larger than that of the small belt wheel, and the small belt wheel is connected with the main shaft key of the servo motor 22. The small belt wheel transmits power to the large belt wheel through the vertical conveying belt, so that the effects of reducing speed and increasing torque are achieved, the power is transmitted to the chuck 4, and the chuck 4 rotates at a certain angle.
Referring to fig. 8, the angle adjusting mechanism 2 may also adopt gear transmission, or the spindle of the servo motor 22 may be directly connected with the central shaft of the chuck 4 through the coupling 3. The servo motor 22 is installed on the motor base 21, and the motor base 21 is fixed on the base 1 through bolts.
In this embodiment, an automatic control system is further included, and the servo motor 22, the radial feeding motor 73, the rotary driving motor 72 and the axial feeding motor are automatically controlled through a numerical control touch screen, so that automatic punching is realized.
In the present embodiment, referring to fig. 2 and 3, the chuck 4 is a three-jaw chuck 4 or a four-jaw chuck 4, the chuck 4 is a part for clamping a workpiece commonly used in a lathe, and the motor roller 5 with different diameters can be clamped by adjusting the jaws 43. The chuck 4 includes a center shaft, a center disk 42 connected to the center shaft, and jaws 43 provided on the center disk 42. The central shaft is matched with an inner hole of the central disc 42, the central shaft transmits rotary motion to the central disc 42, a through hole is formed in the supporting seat 41, the central shaft is in running fit with the through hole of the supporting seat 41, the supporting seat 41 is fixed on the base 1 through a bolt, the central disc 42 is a disc-shaped part, 4 guide grooves are uniformly distributed in the central disc 42 along the radial direction, the clamping jaws 43 can slide in the guide grooves, clamping of motor drums with different outer diameters is achieved, and after the clamping is in place, the clamping jaws 43 are stably kept at clamping positions.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 7, the angle adjusting mechanism 2 includes a dividing head 11 installed on the base 1, and an output shaft of the dividing head 11 is connected to a central shaft of the chuck 4. Wherein, the output shaft of the dividing head 11 is connected with the central shaft of the chuck 4 through the coupling 3. The dividing head 11 is a commonly used angle adjusting part on a processing machine tool, and the output of the corresponding angle of the output shaft of the dividing head 11 can be realized by rotating the angle adjusting handle of the dividing head 11, so that the chuck 4 is driven to rotate together, and the rotation of a processed workpiece is realized. The present embodiment is two different angle adjustment modes from the angle adjustment mechanism 2 using belt drive.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 and 5, the feeding driving assembly includes: a radial feed motor 73, a radial feed screw 76 and a radial drive nut 77, wherein the radial feed motor 73 is arranged on the tool rest 8; the radial feed screw 76 is connected with the main shaft of the radial feed motor 73, a support for supporting the radial feed screw 76 is arranged on the tool rest 8, and the radial feed screw 76 is rotatably connected with the support; the radial transmission nut 77 is in threaded connection with the radial feed screw 76 and is fixed on the rotary driving assembly or the cutter bar 71; the rotary motion of the radial feed screw 76 is converted into a linear motion of the rotary drive assembly and the knife bar 71 via a radial drive nut 77. Through the arranged support, the radial feed screw 76 can be ensured to move in the vertical direction, and the radial feed screw is prevented from shifting to cause the shift in the radial moving direction.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, 5 to 6, the rotation driving assembly includes: the rotary driving motor 72 is fixed on the cutter bar 71 and is fixedly connected with a radial transmission nut 77; the driving wheel 75 is mounted on the main shaft of the rotary driving motor 72; the drill bushing 710 is rotatably arranged at one end of the cutter bar 71, and the drill bit 78 is arranged on an inner hole of the drill bushing 710; the driven wheel 79 is arranged outside the drill sleeve 710, and the drill sleeve 710 and the drill bit 78 rotate synchronously with the driven wheel 79; the horizontal conveyor belt 74 is wound around the drive pulley 75 and the driven pulley 79; the rotary drive motor 72 drives, via belt drive, the drill bit 78 to rotate the borehole. The drill 78, under the action of the radial feed motor 73 and the rotary drive motor 72, punches blind holes in the motor drum 5.
In the embodiment, the power is remotely transmitted to the drill bit 78 through belt transmission, and through the design, the motor with larger weight is arranged outside the motor roller 5, so that one end of the cutter bar 71, which is used for installing the drill bit 78, is not subjected to larger bearing, the horizontal straightness of the cutter bar 71 is improved, and the position accuracy of the drill bit 78 in the horizontal direction is also ensured. Meanwhile, as can be seen from fig. 1, the plate surface of the knife bar 71 at one end of the knife rest 8 is large, so as to provide a stable support for the rotary driving assembly.
Specifically, the upper end and the lower end of the drill bushing 710 are rotatably connected with the cutter bar 71 through bearings, and the flexibility of rotation of the drill bushing 710 is improved by arranging the bearings.
In this embodiment, the driving wheel 75 is a large pulley, and the driven wheel 79 is a small pulley, so that the drill 78 can be rotated quickly.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, 7 to 8, a guide rail is disposed on the knife rest 8, and the other end of the knife bar 71 is in sliding fit with the guide rail of the knife rest 8. The cutter bar 71 is driven by the radial feed motor 73 to move up and down along the vertical direction of the guide rail of the cutter rest 8, and the accuracy of radial movement is guaranteed through the matching of the cutter bar 71 and the cutter rest 8, so that the radial movement is prevented from deviating, and the punching accuracy is improved.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, 7 to 8, two sets of drilling mechanisms 7 are symmetrically disposed on the tool rest 8. Two sets of drilling mechanisms 7 form an included angle of 180 degrees, two holes forming the included angle of 180 degrees are drilled simultaneously, the drilling mechanisms 7 can move back and forth or left and right along the guide rail of the base 1 along with the tool rest 8, and holes in different positions in the axis direction of the motor roller 5 are drilled.
Further, aiming at the condition that the hole positions of the motor roller 5 are uniformly distributed in rows in the circumferential direction, three groups or four groups of drilling mechanisms 7 can be further arranged so as to uniformly distribute the hole positions of the chuck 4 in the circumferential direction, thus greatly improving the drilling efficiency.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, 5, and 7 to 8, the axial feeding mechanism 10 includes: the device comprises an axial feeding motor 101, an axial feeding screw rod 102 and an axial feeding nut 103, wherein the axial feeding motor is arranged on a base 1; the axial feed screw 102 is connected with a main shaft of an axial feed motor 101; the axial feed nut 103 is mounted on the tool rest 8 and is in threaded connection with the axial feed screw 102; the rotational movement of the axial feed screw 102 is converted into a linear movement of the tool holder 8 via the axial feed nut 103. The axial feeding motor 101 is fixed on the base 1 through a bolt, the axial feeding screw rod 102 rotates to drive the tool rest 8 to move back and forth along the guide rail of the base 1, so that the drill 78 can drill holes in alignment with different hole positions, after the drilling process is finished, the tool rest 8 moves right, the tail end leaves the motor roller 5, and a certain space is left for facilitating the disassembly of the motor roller 5.
The base 1 is provided with a support for supporting the axial feed screw 102, and the axial feed screw 102 is rotatably connected with the support to provide reliable support for the axial feed screw 102.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 4, the adjustable center frame 6 includes: the bottom of the supporting frame 63 is in sliding fit with a guide rail of the base 1, and an arc-shaped groove is formed in the upper part of the supporting frame 63; two sets of jacks 62 are symmetrically arranged on the support frame 63, telescopic rods of the jacks 62 penetrate through the support frame 63 and extend into the arc-shaped groove, and the motor roller 5 is supported on the telescopic rods of the jacks 62. The adjustable center frame 6 can move back and forth or left and right along the guide rail of the base 1, and the motor rollers 5 with different outer diameters can be supported by the telescopic rods of the jacks 62.
Preferably, the free end of the telescopic rod of the jack 62 is provided with a rolling wheel 61, the rolling wheel 61 can be a rolling bearing or a rubber wheel, and sliding friction force is converted into rolling friction force through the rolling wheel 61, so that the abrasion of the motor roller 5 is reduced, and the rotation flexibility of the motor roller 5 is improved.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, 5, 7 to 8, further comprising a centering mechanism 9 for centering the motor roller 5; the centering mechanism 9 includes: the centering center 91 is in threaded connection with the tool rest 8, and the center height of the centering center 91 is consistent with that of the chuck 4; the connecting disc 93 is provided with a spigot which is clamped with the inner wall or the outer wall of the motor roller 5 and a top hole which is used for tightly propping the centering center 91. The centering mechanism 9 can position and clamp the motor roller 5, and the motor roller position accuracy can be improved through centering of the height of the motor roller 5, so that the drilling precision is improved.
The centering center 91 is connected with the tool rest 8 through a screw transmission pair, the centering center 91 can move back and forth by rotating a handle 92 of the centering center 91, the left end of the centering center 91 is conical, the left end of the connecting disc 93 is clamped in the inner cavity of the motor roller 5, the centering center 91 is abutted against a top hole in the center of the connecting disc, the motor roller 5 can be positioned and clamped by rotating the centering center 91, the supporting height of the adjustable center frame 6 is adjusted after clamping, the center of the motor roller 5 is consistent with the center of the centering center 91, then the centering center 91 rotates reversely, the connecting disc 93 is loosened, the connecting disc 93 is taken down, the tool rest 8 moves leftwards, and the drill bit 78 enters the inside of the motor roller 5, so that drilling processing can be carried out.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Permanent-magnet machine cylinder inner chamber blind hole processing equipment, its characterized in that includes: the device comprises a base, an angle adjusting mechanism, a chuck, an adjustable center frame, a tool rest, an axial feeding mechanism and a centering mechanism, wherein the angle adjusting mechanism, the chuck, the adjustable center frame, the tool rest, the axial feeding mechanism and the centering mechanism are sequentially arranged on the base;
the base is provided with a guide rail, and the adjustable center frame, the tool rest and the centering mechanism all have the freedom degree of reciprocating sliding along the guide rail of the base;
the chuck is used for clamping one end of the motor roller, and the suspended end of the motor roller is supported on the adjustable center frame; the angle adjusting mechanism drives the chuck to drive the motor roller to rotate;
the adjustable center frame slides back and forth along the guide rail of the base, and the distance between the adjustable center frame and the chuck is adjusted so as to support motor rollers with different lengths; the adjustable steady rest includes: the bottom of the supporting frame is in sliding fit with the guide rail of the base, and the upper part of the supporting frame is provided with an arc-shaped groove; the two groups of jacks are symmetrically arranged on the support frame, telescopic rods of the jacks penetrate through the support frame and extend into the arc-shaped groove, and the motor roller is supported on the telescopic rods of the jacks; the end part of the telescopic rod is provided with a roller which is used for supporting the motor roller;
the drilling mechanism comprises a cutter bar, a drill bit arranged at one end of the cutter bar, a rotary driving assembly used for driving the drill bit to rotate, and a feeding driving assembly used for driving the rotary driving assembly to drive the drill bit to feed in the radial direction; the rotary driving assembly is fixed on the cutter bar, the feed driving assembly is fixed on the cutter rest, the drill extends into the motor roller along with the cutter bar and moves along the motor roller along with the cutter rest in the axial direction, and the feed driving assembly drives the drill to feed and punch a blind hole in the radial direction of the inner wall of the motor roller;
the axial feeding mechanism is used for driving the tool rest to drive the drilling mechanism to axially move along the motor roller;
the centering mechanism comprises a centering center and a connecting disc, the centering center is in threaded connection with the tool rest, and the center height of the centering center is consistent with that of the chuck; the connecting disc is provided with a spigot clamped with the inner wall or the outer wall of the motor roller and a top hole for tightly pushing the centering top.
2. The permanent magnet motor roller inner cavity blind hole machining device according to claim 1, wherein the angle adjusting mechanism comprises:
the servo motor is arranged on the base;
the driving wheel is arranged on a main shaft of the servo motor;
the driven wheel is connected with the central shaft of the chuck through a coupling; and
the vertical conveying belt is wound on the driving wheel and the driven wheel; the servo motor drives the chuck to rotate through belt transmission.
3. The equipment for processing the blind hole in the inner cavity of the permanent magnet motor roller as claimed in claim 1, wherein the angle adjusting mechanism comprises an index head mounted on the base, and an output shaft of the index head is connected with a central shaft of the chuck.
4. The permanent magnet motor drum cavity blind hole machining device according to claim 1, wherein the feed driving assembly comprises:
a radial feed motor mounted on the tool holder;
the radial feed screw rod is connected with a main shaft of the radial feed motor, a support used for supporting the radial feed screw rod is arranged on the tool rest, and the radial feed screw rod is rotationally connected with the support; and
the radial transmission nut is in threaded connection with the radial feeding screw rod and is fixed on the rotary driving assembly or the cutter bar; and the rotary motion of the radial feed screw rod is converted into the linear motion of the rotary driving assembly and the cutter bar through the radial transmission nut.
5. The permanent magnet motor drum cavity blind hole machining device according to claim 4, wherein the rotary driving assembly comprises:
the rotary driving motor is fixed on the cutter bar and is fixedly connected with the radial transmission nut;
a driving wheel installed on a main shaft of the rotary driving motor;
the drill sleeve is rotatably arranged at one end of the cutter bar, and the drill bit is arranged on an inner hole of the drill sleeve;
the driven wheel is arranged outside the drill bushing, and the drill bushing and the drill bit rotate synchronously with the driven wheel; and
a horizontal conveyor belt wound around the drive wheel and the driven wheel; the rotary driving motor drives the drill bit to drill in a rotary mode through belt transmission.
6. The permanent magnet motor roller inner cavity blind hole machining device according to claim 1, wherein a guide rail is arranged on the tool rest, and the other end of the tool bar is in sliding fit with the guide rail of the tool rest.
7. The permanent magnet motor roller inner cavity blind hole machining device as claimed in claim 1, wherein two groups of the drilling mechanisms are symmetrically arranged on the tool rest.
8. The permanent magnet motor roller inner cavity blind hole machining equipment as claimed in claim 1, wherein the axial feeding mechanism comprises:
the axial feeding motor is arranged on the base;
the axial feeding screw rod is connected with a main shaft of the axial feeding motor; and
the axial feeding nut is arranged on the tool rest and is in threaded connection with the axial feeding screw rod; and the rotary motion of the axial feeding screw rod is converted into the linear motion of the tool rest through the axial feeding nut.
9. The permanent magnet motor roller inner cavity blind hole machining equipment as claimed in claim 1, wherein the chuck is a three-jaw chuck or a four-jaw chuck.
10. The permanent magnet motor roller inner cavity blind hole machining equipment as claimed in claim 1, wherein the centering center is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422590.0U CN213671941U (en) | 2020-10-27 | 2020-10-27 | Equipment for processing blind hole in inner cavity of permanent magnet motor roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422590.0U CN213671941U (en) | 2020-10-27 | 2020-10-27 | Equipment for processing blind hole in inner cavity of permanent magnet motor roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213671941U true CN213671941U (en) | 2021-07-13 |
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| CN202022422590.0U Active CN213671941U (en) | 2020-10-27 | 2020-10-27 | Equipment for processing blind hole in inner cavity of permanent magnet motor roller |
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