CN113858078B - Clamp for machining three-phase asynchronous motor shell - Google Patents
Clamp for machining three-phase asynchronous motor shell Download PDFInfo
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- CN113858078B CN113858078B CN202111239099.7A CN202111239099A CN113858078B CN 113858078 B CN113858078 B CN 113858078B CN 202111239099 A CN202111239099 A CN 202111239099A CN 113858078 B CN113858078 B CN 113858078B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention relates to the technical field of clamp equipment, in particular to a clamp for processing a three-phase asynchronous motor shell, which comprises a placing table and a motor shell, wherein the motor shell is placed at the top of the placing table, a plurality of groups of clamping mechanisms are uniformly arranged on the placing table, and the plurality of groups of clamping mechanisms are annularly distributed; the clamping mechanism comprises a base located on the outer side of the motor shell, the base is fixed to the top of the placing table, a swinging rod is obliquely and rotatably installed on the top of the base, and a first arc-shaped push plate is installed at the outer end of the swinging rod; through carrying out the fixed processing of synchronous centre gripping to motor casing inside and outside wall, can effectively improve motor casing's clamping strength, improve the variety of centre gripping mode, clamp the extrusion fixedly through the centre gripping tooth piece simultaneously, can effectively improve the area of action when motor casing centre gripping, improve clamping strength, improve motor casing's fastness, improve the practicality.
Description
Technical Field
The invention relates to the technical field of clamp equipment, in particular to a clamp for machining a three-phase asynchronous motor shell.
Background
It is well known, the processing work of three-phase asynchronous machine shell is mainly the inner wall to the shell, the terminal surface, the hole site, position such as outer wall bead carries out processing, the shell is adding man-hour need use frock clamp to fix it, thereby avoid the shell to remove man-hour, current frock clamp mainly extrudees fixed the processing through the outer wall bead of hydraulic pressure promotion to the shell, however this kind of fastness of fixed mode is relatively poor, splint are when extrudeing the shell, the contact surface of splint and the outer wall bead position of shell is less, lead to splint to shell clamping strength lower, current anchor clamps can't fix the processing to the inner wall of shell simultaneously, lead to its fixed mode comparatively single, functional relatively poor.
Disclosure of Invention
In order to solve the technical problem, the invention provides a clamp for machining a three-phase asynchronous motor shell.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the clamp for processing the three-phase asynchronous motor shell comprises a placing table and a motor shell, wherein the motor shell is placed at the top of the placing table, a plurality of groups of clamping mechanisms are uniformly arranged on the placing table, and the plurality of groups of clamping mechanisms are distributed annularly;
the clamping mechanism comprises a base located on the outer side of the motor shell, the base is fixed to the top of the placing table, a swinging rod is obliquely and rotatably mounted at the top of the base, a first arc-shaped push plate is mounted at the outer end of the swinging rod, a connecting mechanism is arranged on the inner side wall of the first arc-shaped push plate, a plurality of clamping tooth blocks are mounted on the connecting mechanism, and teeth on the clamping tooth blocks are single teeth;
a push rod is arranged inside the motor shell, the push rod is arranged along the radial direction of the motor shell, a second arc-shaped push plate is arranged at the outer end of the push rod, a plurality of rubber strips are uniformly arranged on the outer side wall of the second arc-shaped push plate, and the rubber strips are in a tooth shape;
the clamping mechanism further comprises a first pushing mechanism and a second pushing mechanism, the first pushing mechanism is used for pushing the swinging rod to swing on the base, and the second pushing mechanism is used for pushing the push rod to move along the radial direction of the motor shell.
Further, the connecting mechanism comprises an arc-shaped guide rail mounted on the inner wall of the first arc-shaped push plate, the length direction of the arc-shaped guide rail is along the circumferential direction of the motor shell, and the clamping tooth block is slidably mounted on the arc-shaped guide rail;
the leaf spring is installed to the tip of arc guide rail, first mounting panel is installed to the outer end of leaf spring, the outer end of first mounting panel is fixed on the first arc push pedal.
Further, a second mounting plate is installed at the end of each clamping tooth block, a limiting bolt is installed on the second mounting plate in a threaded mode, the end of each limiting bolt is in contact with the side wall of the second mounting plate on the adjacent clamping tooth block, and a locking nut is installed on each limiting bolt in a threaded mode.
Further, the first pushing mechanism comprises a sliding round rod arranged on the swinging rod, the sliding round rod penetrates through the swinging rod and is connected with the swinging rod in a sliding mode, a sealing disc is arranged at one end of the sliding round rod, a connecting block is rotatably arranged at the other end of the sliding round rod, a telescopic rod is rotatably arranged at the bottom of the connecting block, and a first straight gear is rotatably arranged at the bottom of the placing table;
an arc-shaped through groove is formed in the placing table at the top of the first straight gear, and a fixed end of the lower side of the telescopic rod penetrates through the arc-shaped through groove and is eccentrically installed on the first straight gear;
wherein, the sliding round rod is positioned above the rotating connection point of the base and the swinging rod.
Further, the second pushing mechanism comprises a second straight gear rotatably mounted at the bottom of the placing table, and a bevel gear ring is mounted at the bottom of the second straight gear;
a third mounting plate is mounted at the bottom of the placing table, a threaded sleeve is mounted on the third mounting plate, the threaded sleeve is arranged along the radial direction of the motor shell, the threaded sleeve penetrates through the third mounting plate and is rotatably connected with the third mounting plate, tapered teeth are arranged at the end part of the threaded sleeve, and the threaded sleeve is meshed with the tapered tooth ring through the tapered teeth on the threaded sleeve;
a screw rod is arranged in the threaded sleeve in a threaded manner, a square guide rod is arranged at one end of the screw rod, the end part of the square guide rod is inserted into the screw rod, the square guide rod is connected with the screw rod in a sliding manner, an arch frame is arranged at the outer end of the square guide rod, and the arch frame is fixed on the placing table;
the other end of the lead screw is provided with a movable plate, the placing table is provided with a chute opening which penetrates through the placing table from top to bottom, the top of the movable plate penetrates through the chute opening and extends into the motor shell, the movable plate is slidably mounted in the chute opening, and the top of the movable plate is connected with the push rod.
The clamping mechanism comprises a clamping mechanism, a first straight gear and a second straight gear, wherein the clamping mechanism is used for clamping the workpiece;
the power mechanism comprises a power ring which is rotatably arranged at the bottom of the placing table, teeth are arranged on the circumferential inner wall and the circumferential outer wall of the power ring, the power ring is positioned between the first straight gear and the second straight gear in the clamping mechanism, and the first straight gear and the second straight gear are in meshed connection with the teeth on the power ring;
place the platform bottom and rotate and install the third straight-tooth gear, the third straight-tooth gear is located power ring inboard, and power ring with the meshing of third straight-tooth gear is connected, install the motor on the third straight-tooth gear, install the right angle frame on the lateral wall of motor to the motor is installed on placing the platform through the right angle frame.
Further, the motor support further comprises a support ring, the support ring is located on the inner side of the motor shell, the push rod penetrates through the support ring and is connected with the support ring in a sliding mode, a plurality of vertical plates are evenly installed at the bottom of the support ring, and the bottoms of the vertical plates are fixed on the placing table.
Furthermore, the novel rack further comprises a protective cover, the protective cover is located on the outer side of the second straight gear, the conical tooth ring, the third mounting plate, the threaded sleeve, the lead screw, the square guide rod, the bow-shaped frame, the power ring, the third straight gear, the motor and the right-angle frame, and the protective cover is fixed to the bottom of the placing table.
Compared with the prior art, the invention has the beneficial effects that: motor casing directly places on placing the platform, second pushing mechanism promotes the push rod and removes along motor casing radial direction, the push rod promotes a plurality of rubber strips synchronous motion through second arc push pedal, a plurality of rubber strips and the contact of motor casing inner wall and extrude the processing to motor casing, second arc push pedal synchronous motion in the multiunit fixture, thereby make a plurality of rubber strips in every second arc push pedal extrude fixed processing to the motor casing inner wall in step, realize the top that motor casing inner wall pushes away fixed work, simultaneously because a plurality of push rod synchronous motion, can realize the location work to motor casing, first pushing mechanism promotes the swinging arms swing on the base, the swinging arms rotates on the base and is close to the motor casing outer wall, the swinging arms promotes a plurality of centre gripping tooth pieces through first arc push pedal and coupling mechanism and is close to the motor casing outer wall, single tooth on every centre gripping tooth piece all inserts in the gap between two adjacent beads of motor casing outer wall, first arc push pedal extrudees fixed processing to motor casing through a plurality of centre gripping tooth pieces, every centre gripping tooth piece in the multiunit fixture all extrudes fixed processing to the outer wall, motor casing inner and improves the effective firm effect of centre gripping motor casing when the centre gripping tooth piece improves the effective firm intensity of centre gripping simultaneously, the effective mode of centre gripping improvement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also possible for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the middle of the motor housing of fig. 1;
FIG. 3 is a schematic bottom view of the interior of the shroud of FIG. 1;
FIG. 4 is an enlarged view of a portion A of FIG. 1;
FIG. 5 is an enlarged view of a portion B of FIG. 2;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 3 at C;
in the drawings, the reference numbers: 1. a placing table; 2. a motor housing; 3. a base; 4. a swing lever; 5. a first arcuate push plate; 6. clamping the tooth block; 7. a push rod; 8. a second arc-shaped push plate; 9. a rubber strip; 10. an arc-shaped guide rail; 11. a plate spring; 12. a first mounting plate; 13. a second mounting plate; 14. a limit bolt; 15. locking the nut; 16. a sliding round bar; 17. sealing the disc; 18. connecting blocks; 19. a telescopic rod; 20. a first straight gear; 21. a second spur gear; 22. a conical gear ring; 23. a third mounting plate; 24. a threaded sleeve; 25. a lead screw; 26. a square guide bar; 27. an arched frame; 28. moving the plate; 29. a power ring; 30. a third spur gear; 31. a motor; 32. a right-angle frame; 33. a support ring; 34. a vertical plate; 35. a shield.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 6, the fixture for processing a three-phase asynchronous motor shell of the present invention comprises a placing table 1 and a motor shell 2, wherein the motor shell 2 is placed on the top of the placing table 1, a plurality of groups of clamping mechanisms are uniformly arranged on the placing table 1, and the plurality of groups of clamping mechanisms are annularly distributed;
the clamping mechanism comprises a base 3 positioned on the outer side of the motor shell 2, the base 3 is fixed on the top of the placing table 1, a swinging rod 4 is obliquely and rotatably installed on the top of the base 3, a first arc-shaped push plate 5 is installed at the outer end of the swinging rod 4, a connecting mechanism is arranged on the inner side wall of the first arc-shaped push plate 5, a plurality of clamping tooth blocks 6 are installed on the connecting mechanism, and teeth on the clamping tooth blocks 6 are single teeth;
a push rod 7 is arranged inside the motor shell 2, the push rod 7 is arranged along the radial direction of the motor shell 2, a second arc-shaped push plate 8 is arranged at the outer end of the push rod 7, a plurality of rubber strips 9 are uniformly arranged on the outer side wall of the second arc-shaped push plate 8, and the rubber strips 9 are in a tooth shape;
the clamping mechanism further comprises a first pushing mechanism and a second pushing mechanism, the first pushing mechanism is used for pushing the swinging rod 4 to swing on the base 3, and the second pushing mechanism is used for pushing the push rod 7 to move along the radial direction of the motor shell 2.
In this embodiment, motor casing 2 directly places on placing platform 1, second pushing mechanism promotes push rod 7 and removes along the radial direction of motor casing 2, push rod 7 promotes a plurality of rubber strips 9 synchronous motion through second arc push pedal 8, a plurality of rubber strips 9 and the contact of 2 inner walls of motor casing and extrude processing to motor casing 2, second arc push pedal 8 synchronous motion in the multiunit fixture, thereby make a plurality of rubber strips 9 on every second arc push pedal 8 extrude fixed processing to motor casing 2 inner wall in step, realize the top of motor casing 2 inner wall and push away fixed work, simultaneously because a plurality of push rods 7 synchronous motion, can realize the positioning work to motor casing 2, first pushing mechanism promotes swinging arms 4 and swings on base 3, swinging arms 4 rotates on base 3 and is close to motor casing 2 outer wall, swinging arms 4 promote a plurality of centre gripping tooth piece 6 through first arc push pedal 5 and coupling mechanism and are close to motor casing 2 outer wall, single tooth on every centre gripping tooth piece 6 all inserts in the gap between two adjacent beads of motor casing 2, first arc push pedal 5 carries out the fixed processing to motor casing 2 through a plurality of centre gripping tooth piece 6, the effective improvement of centre gripping mechanism is carried out the fixed processing to the fixed processing of every centre gripping motor casing 2, the effective centre gripping mechanism of centre gripping tooth piece 2 when the effective centre gripping mechanism that improves the fixed processing of centre gripping mechanism inside and the fixed processing of motor casing 2, the centre gripping mechanism, the effective clamping mechanism of centre gripping tooth piece 2.
As a preference of the above embodiment, the connecting mechanism includes an arc-shaped guide rail 10 mounted on the inner wall of the first arc-shaped push plate 5, and the length direction of the arc-shaped guide rail 10 is along the circumferential direction of the motor housing 2, and the clamping tooth block 6 is slidably mounted on the arc-shaped guide rail 10;
In this embodiment, leaf spring 11 produces elastic tension to centre gripping tooth piece 6 all the time, thereby make leaf spring 11 pulling centre gripping tooth piece 6 fixed in position on arc guide rail 10, avoid centre gripping tooth piece 6 to remove at will, when centre gripping tooth piece 6 inserts on 2 outer walls of motor casing between two adjacent beads, bead on 2 outer walls of motor casing can promote centre gripping tooth piece 6 and slide on arc guide rail 10, thereby make the position of space correspond between the position of centre gripping tooth piece 6 and two adjacent beads, make things convenient for centre gripping tooth piece 6 to insert smoothly between these two adjacent beads, conveniently make 6 outer walls of centre gripping tooth piece and bead lateral wall fully contact, improve the clamping strength of centre gripping tooth piece 6 to motor casing 2.
In this embodiment, since the clamping tooth block 6 can slide on the arc-shaped guide rail 10, the clamping tooth block 6 can be conveniently inserted into a gap between two adjacent ribs of different specifications, so as to clamp and fix the motor housing 2 of different specifications, and when the clamping tooth block 6 is separated from the motor housing 2, the plate spring 11 can pull the clamping tooth block 6 to return to the initial position.
Preferably, in the above embodiment, a second mounting plate 13 is mounted on an end of the clamping tooth block 6, a limit bolt 14 is screwed onto the second mounting plate 13, an end of the limit bolt 14 contacts with a side wall of the second mounting plate 13 on the adjacent clamping tooth block 6, and a lock nut 15 is screwed onto the limit bolt 14.
In this embodiment, through setting up second mounting panel 13 and stop bolt 14, can conveniently carry on spacingly to the distance between two adjacent centre gripping tooth pieces 6, when avoiding the distance between two adjacent centre gripping tooth pieces 6 less, two adjacent centre gripping tooth pieces 6 insert in the gap between two same adjacent beads simultaneously, through setting up lock nut 15, can conveniently lock stop bolt 14 position, unscrew lock nut 15, can conveniently make stop bolt 14 rotate on second mounting panel 13, thereby adjust stop bolt 14's position, the distance between two adjacent centre gripping tooth pieces 6 is adjusted to the convenience.
Preferably, the first pushing mechanism includes a sliding round rod 16 mounted on the swinging rod 4, the sliding round rod 16 penetrates through the swinging rod 4, the sliding round rod 16 is connected with the swinging rod 4 in a sliding manner, a sealing disc 17 is mounted at one end of the sliding round rod 16, a connecting block 18 is rotatably mounted at the other end of the sliding round rod 16, an expansion link 19 is rotatably mounted at the bottom of the connecting block 18, and a first straight gear 20 is rotatably mounted at the bottom of the placing table 1;
an arc-shaped through groove is formed in the placing table 1 at the top of the first straight gear 20, and a fixed end at the lower side of the telescopic rod 19 penetrates through the arc-shaped through groove and is eccentrically mounted on the first straight gear 20;
wherein the sliding round rod 16 is positioned above the rotating connection point of the base 3 and the swinging rod 4.
In this embodiment, rotate first spur gear 20, first spur gear 20 drives telescopic link 19 and carries out eccentric rotation, first spur gear 20 drives swinging arms 4 through connecting block 18 and slip round bar 16 and rotates on base 3, thereby make swinging arms 4 drive first arc push pedal 5 and centre gripping tooth piece 6 and be close to motor casing 2 outer wall, conveniently make centre gripping tooth piece 6 promote fixed processing to motor casing 2, when swinging arms 4 rotated on base 3, swinging arms 4 drives telescopic link 19 through slip round bar 16 and connecting block 18 and carries out concertina movement, connecting block 18 pulling closing disk 17 slides on swinging arms 4, through setting up closing disk 17, can conveniently carry out the shutoff to the tip of slip round bar 16 and handle, avoid swinging arms 4 and slip round bar 16 to take place to break away from.
As a preference of the above embodiment, the second pushing mechanism comprises a second spur gear 21 rotatably mounted at the bottom of the placing table 1, and a bevel gear ring 22 is mounted at the bottom of the second spur gear 21;
a third mounting plate 23 is mounted at the bottom of the placing table 1, a threaded sleeve 24 is mounted on the third mounting plate 23, the threaded sleeve 24 is along the radial direction of the motor housing 2, the threaded sleeve 24 penetrates through the third mounting plate 23, the threaded sleeve 24 is rotatably connected with the third mounting plate 23, tapered teeth are arranged at the end part of the threaded sleeve 24, and the threaded sleeve 24 is meshed with the tapered ring 22 through the tapered teeth;
a lead screw 25 is screwed in the threaded sleeve 24, a square guide rod 26 is arranged at one end of the lead screw 25, the end of the square guide rod 26 is inserted into the lead screw 25, the square guide rod 26 is slidably connected with the lead screw 25, an arched frame 27 is arranged at the outer end of the square guide rod 26, and the arched frame 27 is fixed on the placing table 1;
a moving plate 28 is mounted at the other end of the screw 25, a chute opening penetrating up and down is formed in the placing table 1, the top of the moving plate 28 penetrates through the chute opening and extends into the motor housing 2, the moving plate 28 is slidably mounted in the chute opening, and the top of the moving plate 28 is connected with the push rod 7.
In this embodiment, rotate second spur gear 21, second spur gear 21 drives threaded sleeve 24 through awl ring 22 and rotates, because threaded sleeve 24 with lead screw 25 spiro union is connected, threaded sleeve 24 promotes lead screw 25 and follows 2 radial directions in the motor casing remove, lead screw 25 drives push rod 7 through movable plate 28 and moves to promote a plurality of rubber strips 9 on second arc push pedal 8 and the second arc push pedal 8 and extrude fixed processing to the inner wall of motor casing 2, the lead screw 25 of moving state slides on square guide bar 26 simultaneously, and square guide bar 26 leads to lead screw 25 and supports the processing, avoids lead screw 25 to rotate.
As the optimization of the above embodiment, the clamping device further comprises a power mechanism, wherein the power mechanism is used for driving the first straight gear 20 and the second straight gear 21 in the clamping mechanism to rotate;
the power mechanism comprises a power ring 29 rotatably mounted at the bottom of the placing table 1, teeth are arranged on the circumferential inner wall and the circumferential outer wall of the power ring 29, the power ring 29 is positioned between the first straight gear 20 and the second straight gear 21 in the clamping mechanism, and the first straight gear 20 and the second straight gear 21 are in meshing connection with the teeth on the power ring 29;
the bottom of the placing table 1 is rotatably provided with a third straight gear 30, the third straight gear 30 is located on the inner side of the power ring 29, the power ring 29 is meshed with the third straight gear 30 and connected with the third straight gear 30, a motor 31 is installed on the third straight gear 30, a right-angle frame 32 is installed on the side wall of the motor 31, and the motor 31 is installed on the placing table 1 through the right-angle frame 32.
In this embodiment, the motor 31 drives the power ring 29 to rotate through the third spur gear 30, the power ring 29 drives the first spur gear 20 and the second spur gear 21 in each group of clamping mechanisms to synchronously rotate, thereby driving the first pushing mechanism and the second pushing mechanism to synchronously operate, meanwhile, because the teeth on the circumferential outer wall of the power ring 29 drive the first spur gear 20 to rotate, thereby enabling the rotating speed of the first spur gear 20 to be faster than the transferring speed of the second spur gear 21, the first spur gear 20 firstly pushes the clamping tooth block 6 to be inserted into a gap between two adjacent convex ribs on the motor housing 2, thereby facilitating the positioning treatment of the placing angle of the clamping tooth block 6 firstly.
As a preference of the above embodiment, the motor casing 2 further comprises a support ring 33, the support ring 33 is located inside the motor casing 2, the push rod 7 passes through the support ring 33, and the push rod 7 is slidably connected with the support ring 33, a plurality of vertical plates 34 are uniformly mounted on the bottom of the support ring 33, and the bottom of the vertical plates 34 is fixed on the placing table 1.
In this embodiment, through setting up support ring 33, can conveniently lead and support the processing to push rod 7 to improve the stability when second arc push pedal 8 removes, improve motor casing 2's fixed stability, through setting up riser 34, can conveniently support the processing to support ring 33.
Preferably, the above embodiment further comprises a protective cover 35, the protective cover 35 is located outside the second spur gear 21, the bevel gear ring 22, the third mounting plate 23, the threaded sleeve 24, the lead screw 25, the square guide rod 26, the bow 27, the power ring 29, the third spur gear 30, the motor 31 and the right-angle bracket 32, and the protective cover 35 is fixed at the bottom of the placing table 1.
In this embodiment, by providing the protective cover 35, the mechanism mounted at the bottom of the placing table 1 can be shielded and protected.
The clamp for processing the three-phase asynchronous motor shell is mounted, connected or arranged in a common mechanical mode, and can be implemented as long as the beneficial effects of the clamp can be achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The clamp for machining the three-phase asynchronous motor shell is characterized by comprising a placing table (1) and a motor shell (2), wherein the motor shell (2) is placed at the top of the placing table (1), a plurality of groups of clamping mechanisms are uniformly arranged on the placing table (1), and the plurality of groups of clamping mechanisms are distributed annularly;
the clamping mechanism comprises a base (3) positioned on the outer side of the motor shell (2), the base (3) is fixed to the top of the placing table (1), a swinging rod (4) is obliquely and rotatably installed on the top of the base (3), a first arc-shaped push plate (5) is installed at the outer end of the swinging rod (4), a connecting mechanism is arranged on the inner side wall of the first arc-shaped push plate (5), a plurality of clamping tooth blocks (6) are installed on the connecting mechanism, and teeth on the clamping tooth blocks (6) are single teeth;
a push rod (7) is arranged inside the motor shell (2), the push rod (7) moves along the radial direction of the motor shell (2), a second arc-shaped push plate (8) is installed at the outer end of the push rod (7), a plurality of rubber strips (9) are uniformly arranged on the outer side wall of the second arc-shaped push plate (8), and the rubber strips (9) are in a tooth shape;
the clamping mechanism further comprises a first pushing mechanism and a second pushing mechanism, the first pushing mechanism is used for pushing the swinging rod (4) to swing on the base (3), and the second pushing mechanism is used for pushing a push rod (7) to move along the radial direction of the motor shell (2).
2. The clamp for machining the shell of the three-phase asynchronous motor according to claim 1, wherein the connecting mechanism comprises an arc-shaped guide rail (10) installed on the inner wall of the first arc-shaped push plate (5), the length direction of the arc-shaped guide rail (10) is along the circumferential direction of the motor shell (2), and the clamping tooth blocks (6) are slidably installed on the arc-shaped guide rail (10);
leaf spring (11) are installed to the tip of arc guide rail (10), first mounting panel (12) are installed to the outer end of leaf spring (11), the outer end of first mounting panel (12) is fixed on first arc push pedal (5).
3. The clamp for machining the shell of the three-phase asynchronous motor according to claim 2, wherein a second mounting plate (13) is mounted at the end of each clamping tooth block (6), a limiting bolt (14) is screwed on the second mounting plate (13), the end of each limiting bolt (14) is in contact with the side wall of the second mounting plate (13) on the adjacent clamping tooth block (6), and a locking nut (15) is screwed on each limiting bolt (14).
4. The clamp for machining the shell of the three-phase asynchronous motor according to claim 3, wherein the first pushing mechanism comprises a sliding round rod (16) installed on the swinging rod (4), the sliding round rod (16) penetrates through the swinging rod (4), the sliding round rod (16) is connected with the swinging rod (4) in a sliding manner, a sealing disc (17) is installed at one end of the sliding round rod (16), a connecting block (18) is installed at the other end of the sliding round rod (16) in a rotating manner, a telescopic rod (19) is installed at the bottom of the connecting block (18) in a rotating manner, and a first straight gear (20) is installed at the bottom of the placing table (1) in a rotating manner;
an arc-shaped through groove is formed in the placing table (1) at the top of the first straight gear (20), and a fixed end of the lower side of the telescopic rod (19) penetrates through the arc-shaped through groove and is eccentrically installed on the first straight gear (20);
wherein the sliding round rod (16) is positioned above the rotating connection point of the base (3) and the swinging rod (4).
5. The jig for processing a three-phase asynchronous motor shell according to claim 4, wherein the second pushing mechanism comprises a second spur gear (21) rotatably mounted at the bottom of the placing table (1), and a bevel gear ring (22) is mounted at the bottom of the second spur gear (21);
a third mounting plate (23) is mounted at the bottom of the placing table (1), a threaded sleeve (24) is mounted on the third mounting plate (23), the threaded sleeve (24) is arranged along the radial direction of the motor shell (2), the threaded sleeve (24) penetrates through the third mounting plate (23), the threaded sleeve (24) is rotatably connected with the third mounting plate (23), tapered teeth are arranged at the end part of the threaded sleeve (24), and the threaded sleeve (24) is meshed and connected with the tapered ring (22) through the tapered teeth on the threaded sleeve;
a screw rod (25) is arranged in the threaded sleeve (24) in a threaded mode, one end of the screw rod (25) is provided with a square guide rod (26), the end portion of the square guide rod (26) is inserted into the screw rod (25), the square guide rod (26) is connected with the screw rod (25) in a sliding mode, an arch frame (27) is arranged at the outer end of the square guide rod (26), and the arch frame (27) is fixed on the placing table (1);
a moving plate (28) is installed at the other end of the lead screw (25), a sliding groove opening which penetrates through the placing table (1) from top to bottom is formed in the placing table, the top of the moving plate (28) penetrates through the sliding groove opening and extends into the motor shell (2), the moving plate (28) is slidably installed in the sliding groove opening, and the top of the moving plate (28) is connected with the push rod (7).
6. The clamp for machining the shell of the three-phase asynchronous motor according to claim 5, further comprising a power mechanism, wherein the power mechanism is used for driving the first straight gear (20) and the second straight gear (21) in the clamping mechanism to rotate;
the power mechanism comprises a power ring (29) rotatably mounted at the bottom of the placing table (1), teeth are arranged on the circumferential inner wall and the circumferential outer wall of the power ring (29), the power ring (29) is positioned between the first straight gear (20) and the second straight gear (21) in the clamping mechanism, and the first straight gear (20) and the second straight gear (21) are in meshed connection with the teeth on the power ring (29);
place platform (1) bottom and rotate and install third straight-teeth gear (30), third straight-teeth gear (30) are located power ring (29) are inboard, and power ring (29) with third straight-teeth gear (30) meshing is connected, install motor (31) on third straight-teeth gear (30), install right angle frame (32) on the lateral wall of motor (31) to motor (31) are installed on placing platform (1) through right angle frame (32).
7. The clamp for machining the shell of the three-phase asynchronous motor according to claim 6, further comprising a support ring (33), wherein the support ring (33) is located inside the motor shell (2), the push rod (7) penetrates through the support ring (33), the push rod (7) is slidably connected with the support ring (33), a plurality of vertical plates (34) are uniformly installed at the bottom of the support ring (33), and the bottoms of the vertical plates (34) are fixed on the placing table (1).
8. The clamp for machining the shell of the three-phase asynchronous motor according to claim 7, further comprising a protective cover (35), wherein the protective cover (35) is located on the outer side of the second straight gear (21), the bevel gear ring (22), the third mounting plate (23), the threaded sleeve (24), the lead screw (25), the square guide rod (26), the arched frame (27), the power ring (29), the third straight gear (30), the motor (31) and the right-angle frame (32), and the protective cover (35) is fixed to the bottom of the placing table (1).
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| CN202111239099.7A CN113858078B (en) | 2021-10-25 | 2021-10-25 | Clamp for machining three-phase asynchronous motor shell |
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| CN202111239099.7A CN113858078B (en) | 2021-10-25 | 2021-10-25 | Clamp for machining three-phase asynchronous motor shell |
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| CN113858078A CN113858078A (en) | 2021-12-31 |
| CN113858078B true CN113858078B (en) | 2023-04-07 |
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| CN114505703A (en) * | 2022-03-14 | 2022-05-17 | 梁英泉 | Clamping workbench based on special-shaped piece machining |
| CN114850284B (en) * | 2022-05-16 | 2023-08-11 | 山东瑞博电机有限公司 | Three-phase asynchronous motor shell punching device |
| CN114851109B (en) * | 2022-06-10 | 2023-09-29 | 山东舜晟冲压科技股份有限公司 | Fixing tool for machining bumper fixing beam of vehicle body |
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| CN113858078A (en) | 2021-12-31 |
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