CN113843359B - Flexible and easy-to-correct mechanical arm for stamping motor stator and rotor - Google Patents
Flexible and easy-to-correct mechanical arm for stamping motor stator and rotor Download PDFInfo
- Publication number
- CN113843359B CN113843359B CN202111139499.0A CN202111139499A CN113843359B CN 113843359 B CN113843359 B CN 113843359B CN 202111139499 A CN202111139499 A CN 202111139499A CN 113843359 B CN113843359 B CN 113843359B
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- disc
- fixing
- clamping
- straight sliding
- fixed
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- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 230000007306 turnover Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 22
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Abstract
The application relates to a flexible and easy-to-correct mechanical arm for stamping a motor stator and a motor rotor, which comprises a base, a driving mechanism and a preparation station assembly; the preparation station assembly comprises a fixed disc, a rotating disc coaxially and rotatably arranged with the fixed disc, a rotating servo motor and a clamping correction assembly; a plurality of first straight sliding grooves are formed in the rotating disc, and the length direction of each first straight sliding groove is the same as the radial direction of the rotating disc; a plurality of second straight sliding grooves which are in one-to-one correspondence with the first straight sliding grooves are arranged on the fixed disc; the clamping correction assembly comprises a plurality of clamping fingers which are arranged on the second straight sliding groove in a sliding manner, the clamping fingers are positioned at the intersection of the first straight sliding groove and the second straight sliding groove, and the clamping fingers are used for clamping the circumferential edge of the round blank. The servo motor is rotated to drive the clamping fingers to be close to or far away from each other, so that the die-entering position of the round blank is accurate, and the stamping quality of the round blank is improved; the fixed disk is adjustable in position on the fixed mounting ring disk, and the preparation station assembly is convenient to adapt to deviation generated when the die is repeatedly mounted.
Description
Technical Field
The application relates to the field of manipulators, in particular to a flexible and easily-corrected manipulator for stamping a motor stator and a motor rotor.
Background
In order to meet the requirement of automatic mass production, when the motor stator and rotor stamping die is used for stamping, a mechanical arm is generally used for transporting and taking and placing round blanks for stamping, but the clamping positions of the mechanical arm on the round blanks are different, so that the accuracy of die entering of the round blanks is easily affected, the stamping positions are offset, and the quality of the round blanks for stamping is reduced. In the related art, a mode of adding three or four groups of air cylinders at a preparation station of the manipulator is adopted, so that the positions of the motor stator and rotor round blanks on the manipulator are corrected, and the manipulator is accurate in feeding the round blanks into the die.
In view of the above related art, the inventor considers that three or four sets of cylinders are added at the preparation station of the manipulator, and the cylinders push the clamping part to move to clamp the round blank: however, when the thickness of the round blank is thinner and the rigidity is poorer, the characteristic of quick movement of the cylinder easily causes the deformation of the round blank, thereby influencing the stamping quality of the round blank.
Disclosure of Invention
In order to improve the stamping quality of a round blank, the application provides a flexible and easily-corrected mechanical arm for stamping a motor stator and a motor rotor.
The application provides a flexible and easily-corrected mechanical arm for stamping a motor stator and a motor rotor, which adopts the following technical scheme:
a flexible and easy-to-correct mechanical arm for stamping a motor stator and a motor rotor comprises a base, a driving mechanism arranged on the base and a preparation station assembly driven by the driving mechanism to move; the preparation station assembly comprises a fixed disc, a rotating disc coaxially arranged with the fixed disc, a rotating servo motor for driving the rotating disc to rotate, and a clamping correction assembly for clamping the round blank; a plurality of first straight sliding grooves are formed in the rotating disc, and the radial directions of the rotating disc in the length direction of the first straight sliding grooves are the same;
the fixed disc is provided with a plurality of second straight sliding grooves which are in one-to-one correspondence with the first straight sliding grooves, the length direction of the second straight sliding grooves is obliquely arranged with the length direction of the first straight sliding grooves, and the length directions of the second straight sliding grooves are obliquely in the same clockwise direction;
the clamping correction assembly comprises a plurality of clamping fingers which are arranged on the second straight sliding groove in a sliding manner, the clamping fingers are positioned at the intersection of the first straight sliding groove and the second straight sliding groove, the side walls of the clamping fingers are in sliding contact with the two groove walls in the width direction of the first straight sliding groove, and the clamping fingers are used for clamping the circumferential edges of the round blank.
Through adopting the technical scheme, when the rotating servo motor drives the rotating disc to rotate, the clamping fingers slide in the first straight sliding groove and the second straight sliding groove simultaneously due to the crossed arrangement of the first straight sliding groove and the second straight sliding groove, the sliding directions of the clamping fingers are directions which are far away from or close to the center of the rotating disc simultaneously, the center of the corrected round blank sheet is consistent with the center of the rotating disc, and when the mechanical arm sends the blank sheet into a die, the die entering position of the blank sheet is accurate, so that the stamping effect is better;
according to the application, the plurality of clamping fingers can be controlled to slide simultaneously by adopting one servo motor, and compared with the prior art that the displacement of the clamping fingers is controlled by adopting the same number of air cylinders as the clamping fingers, the driving source is greatly saved, and the cost is saved. The opening distance of a plurality of clamping fingers can be controlled by controlling the parameters of the rotary servo motor, so that the rotary servo motor is convenient to adapt to round blanks with different sizes;
before entering the mould, the round blank piece drops on the rotating disc, and a plurality of clamping fingers are close to each other and then correct the position of the round blank piece, so that the position correction of the round blank piece is convenient, the stamping position of the round blank piece is accurate, and the quality of the round blank piece is improved. Compared with a cylinder, the rotary servo motor is low in rapidness, convenient and accurate in controlling the rotation angle of the motor shaft, flexible positioning is formed, and when the round blank is thinner and low in rigidity, the round blank is not easy to deform.
Optionally, the driving mechanism comprises a mounting ring disc for mounting the fixing disc and a mechanical arm for driving the mounting ring disc to move, and the fixing disc is fixed with the mounting ring disc by arranging a fixing component; the fixing assembly comprises a plurality of fixing bolts and a plurality of fixing nuts which are in one-to-one correspondence with the fixing bolts, wherein the fixing nuts are positioned between the rotating disc and the fixing disc, and a plurality of fixing holes for the fixing bolts to pass through are formed in the fixing disc; the inner diameter of the fixing hole is larger than the outer diameter of the fixing bolt.
Through adopting above-mentioned technical scheme, the internal diameter of fixed orifices is greater than the external diameter setting of fixing bolt and makes fixing bolt can displace in the fixed orifices. When the die is normally and repeatedly installed, the position of the die and the far position have a certain deviation, so that the deviation of the blank sheet in-die position occurs. The staff drops the position on the rolling disc through the circular base piece when the demolding, adjusts the position of fixed disk on the installation ring disk through the gap between the center of the rolling disc and the center of the circular base piece. The adjustment mode is as follows, firstly loosen fixing bolt and fixation nut to the position of movable fixation dish on the collar dish, when making circular base piece fall on the rolling disc, the center of circular base piece is coincident with the center of rolling disc, and the fixation nut is screwed down again, no matter be the circular base piece go into mould or the demolding position all reaches accuracy this moment, makes the manipulator conveniently adjust to correspond to the mould.
Optionally, the fixing assembly further comprises a clamping ring piece, the clamping ring piece is sleeved on the fixing bolt, and the clamping ring piece is clamped between the fixing nut and the fixing disc.
Through adopting above-mentioned technical scheme, through setting up the clamp ring piece, keep apart the fixed disk through the clamp ring piece, the tight object of support of nut is the clamp ring piece, makes the bolt screw up with the nut in the twinkling of an eye, and the nut easily leads to the clamp ring piece to take place the displacement, and the nut is difficult for leading to the fixed disk to take place the displacement, makes the location of fixed disk comparatively accurate, and its centre of a circle and the centre of a circle of rotating disk are coaxial when making circular blank drop.
Optionally, the guide arc groove has been seted up on the rolling disc, the centre of a circle in guide arc groove is the same with the centre of a circle of rolling disc, fixing bolt slides towards the tip of rolling disc and sets up in guide arc inslot, fixing bolt lateral wall and the two inner walls sliding contact of the width direction in guide arc groove.
Through adopting above-mentioned technical scheme, when rotating servo motor drive rolling disc rotation, the tip of first bolt slides in the direction arc inslot, has better guide effect, makes the rolling disc make things convenient for steady rotation.
Optionally, threaded connection has two stoppers on the fixing bolt, the rolling disc is spacing between two stoppers, rolling disc sliding contact stopper.
Through adopting above-mentioned technical scheme, through setting up the stopper, the stopper supports the rolling disc, makes the interval between rolling disc and the fixed disk adjustable, and the size adjustment of the work piece of convenient centre gripping as required presss from both sides the length that indicates, and the stopper is spacing with the rolling disc, rolling disc sliding contact stopper, makes the rolling disc rotate more stably.
Optionally, the mechanical arm comprises a fixing frame fixed with the mounting ring disc, a rotating rod with the end part fixed with the fixing frame, a turnover servo motor for driving the rotating rod to rotate in the axial direction of the length direction of the rotating rod, a swinging assembly for driving the rotating rod to swing by taking the end part far away from the fixing frame as an axis, and a supporting arm connected with the base; the motor shaft of the overturning servo motor is the same as the length direction of the rotating rod.
Through adopting above-mentioned technical scheme, upset servo motor drive dwang uses its length direction to rotate as the axis direction, makes press from both sides to indicate to rotate to down, makes circular base piece conveniently drop from pressing from between the clamp indicates, makes circular base piece conveniently place get into stamping die or place the circular base piece that will punch. The swinging component drives the rotating rod to swing by taking the end part of the rotating rod far away from the fixing frame as an axle center, so that workpieces positioned between the clamping fingers are convenient to transport. Through the cooperation of swing subassembly and upset servo motor, make things convenient for getting of circular base piece to put and transport, realize mechanized production.
Optionally, the clamp finger includes sliding block and threaded connection's grip post on the sliding block, the inside groove has been seted up on the lateral wall of the width direction of second straight spout, the both ends slip of sliding block set up in the inside groove.
Through adopting above-mentioned technical scheme, when unable whereabouts of circular base piece is between pressing from both sides the finger, need adjust the position of fixed disk on the collar dish, dismantle spliced pole and sliding block, make the rolling disc top surface keep level, adopt the rolling disc steadily to catch the circular base piece that drops from stamping die, be close to the tip of rolling disc edge and the distance adjustment fixed disk position on the collar dish between the circular base piece through first slip straight flute to make the adjustment of fixed disk position comparatively accurate and convenient.
Optionally, the rotating disc is provided with scales, and the extending direction of the scales is along the length direction of the first straight sliding groove.
Through adopting above-mentioned technical scheme, can directly observe the first slip straight flute through the scale and be close to the tip of rolling disc edge and the distance between the circular base piece, further make the adjustment of fixed disk position comparatively accurate and convenient.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rotary servo motor drives the clamping fingers to be close to or far away from each other, so that a driving source is saved, the die-entering position of the round blank is accurate, and the stamping quality of the round blank is improved;
2. the fixing holes, the fixing bolts and the fixing nuts are arranged, so that the position of the fixing disc on the fixed mounting ring disc can be adjusted, and the preparation station assembly is convenient to adapt to deviation generated when the die is repeatedly mounted;
3. through can dismantle the setting with grip post and sliding block, when circular base piece can't fall between the clamp finger, the rolling disc conveniently catches the circular base piece that drops from stamping die to observe the first slip straight flute and be close to the tip of rolling disc edge and the distance between the circular base piece.
Drawings
Fig. 1 is an overall schematic diagram of a flexible and easily-modifiable manipulator for stamping a stator and a rotor of a motor according to an embodiment of the present application.
FIG. 2 is an exploded view of the preparation station assembly of the embodiment.
Reference numerals illustrate: 1. a base; 2. a driving mechanism; 21. a mechanical arm; 211. a fixing frame; 2111. a support plate; 2112. a connecting plate; 212. a rotating lever; 213. overturning the servo motor; 214. a swing assembly; 2141. a mounting table; 21411. a bottom block; 21412. a mounting plate; 2142. swinging the servo motor; 215. a support arm; 2151. a bearing column; 2152. a support table; 22. a mounting ring disk; 3. preparing a station assembly; 31. a fixed plate; 32. a rotating disc; 33. rotating the servo motor; 34. clamping the correction assembly; 341. a clamping finger; 3411. a sliding block; 3412. a clamping column; 4. a fixing assembly; 41. a fixing bolt; 42. a fixing nut; 43. clamping the ring piece; 44. a fixing hole; 5. a limiting block; 6. a guide arc groove; 61. an accommodating arc groove; 7. a first straight chute; 8. a second straight chute; 81. an inner tank; 9. a scale.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a flexible and easily-corrected manipulator for stamping a motor stator and a motor rotor. Referring to fig. 1, the flexible and easily-corrected motor stator and rotor stamping manipulator comprises a base 1, a driving mechanism 2 arranged on the base 1, and a preparation station assembly 3 driven by the driving mechanism 2 to move, wherein the preparation station assembly 3 is used for correcting the blank position.
Referring to fig. 1, the driving mechanism 2 includes a robot arm 21 and a mounting ring plate 22 for mounting the preparatory station assembly 3, and the robot arm 21 includes a fixing frame 211, a rotating lever 212, a turning servo motor 213, a swing assembly 214, and a support arm 215. The mounting ring 22 is fixed to the holder 211, and the rotating rod 212, the turning servo motor 213, the swing assembly 214, and the support arm 215 cooperate to drive the holder 211 to move so as to move the mounting ring 22 and the preparatory station assembly 3.
Referring to fig. 1, the support arm 215 includes a support column 2151 and a support table 2152 fixed to an end of the support column 2151, the end of the support column 2151 remote from the support table 2152 being fixed to the base 1. The swing assembly 214 includes a mounting table 2141 and a swing servo motor 2142, the mounting table 2141 is rotatably connected to the top surface of the support table 2152, the swing servo motor 2142 is fixed to the bottom surface of the support table 2152, a motor shaft of the swing servo motor 2142 penetrates through the support table 2152 and is fixed to the mounting table 2141, and an axis of the motor shaft of the swing servo motor 2142 is in a vertical direction.
Referring to fig. 1, the mounting table 2141 includes a bottom block 21411 fixed to a motor shaft of the swing servomotor 2142 and a mounting plate 21412 fixed to a top of the bottom block 21411, a bottom end of the mounting plate 21412 is fixed to a top surface of the bottom block 21411, an end portion of the rotation rod 212 is rotatably connected to the mounting plate 21412, a length direction of the rotation rod 212 is a horizontal direction, the turning servomotor 213 is fixed to a side of the mounting plate 21412 away from the rotation rod 212, a motor shaft of the turning servomotor 213 penetrates the mounting plate 21412 and is fixed to an end portion of the rotation rod 212, and a length direction of the motor shaft of the turning servomotor 213 is the same as a length direction of the rotation rod 212.
Referring to fig. 2, the fixing frame 211 has a U shape, two support plates 2111 and one connection plate 2112 of the fixing frame 211, and the middle part of the connection plate 2112 is fixed to the rotation rod 212. The edge of the mounting ring plate 22 is fixed with the support plate 2111 by bolts.
Referring to fig. 2, the preparatory station assembly 3 includes a fixed disk 31, a rotary disk 32, a rotary servo motor 33, and a clamp correction assembly 34. The fixed disk 31 is fixed with the installation ring disk 22 by arranging the fixed component 4, the fixed component 4 comprises two fixed bolts 41, two fixed nuts 42 and four clamping ring pieces 43, fixed holes 44 for the fixed bolts 41 to pass through are formed in two sides of the inner ring of the installation ring disk 22, the inner diameter of the fixed holes 44 is larger than the outer diameter of the fixed bolts 41, and the inner diameter of the fixed holes 44 is smaller than the outer diameter of the clamping ring pieces 43.
Referring to fig. 2, the fixing bolt 41 is located between the two support plates 2111, and the same fixing bolt 41 sequentially passes through one clamping ring piece 43, the mounting ring plate 22, the fixing plate 31, one clamping ring piece 43 and one fixing nut 42 from bottom to top, and the two clamping ring pieces 43 clamp and fix the mounting counter plate and the fixing plate 31 by tightening the fixing nut 42 and the fixing bolt 41. The fixing nut 42 is loosened, and the fixing bolt 41 can move in the fixing hole 44, so that the position of the fixing plate 31 on the mounting ring plate 22 can be adjusted.
Referring to fig. 2, two stoppers 5 for limiting the rotating disk 32 are screwed to the end of the same fixing bolt 41 near the fixing nut 42, the two stoppers 5 are arranged along the axial direction of the rotating disk 32, and the two stoppers 5 are located at both sides of the rotating disk 32. The spacing between the two stoppers 5 is 1-2mm greater than the thickness of the rotating disc 32, and the rotating disc 32 slidably contacts the lower stopper 5.
Referring to fig. 2, two guiding arc grooves 6 for sliding the end of the fixing bolt 41 are formed on the axial edge of the rotating disc 32, and the circle center of the guiding arc grooves 6 is the same as that of the rotating disc 32. Both inner walls of the guide arc groove 6 in the width direction are in sliding contact with the side walls of the fixing bolt 41.
Referring to fig. 2, the rotating disc 32 is coaxially arranged with the fixed disc 31, a receiving arc groove 61 for receiving the stopper 5 is formed on one side of the rotating disc 32 away from the fixed disc 31, and the end of the stopper 5 or the fixing bolt 41 does not protrude from the disc surface of the rotating disc 32 away from the fixed disc 31.
Referring to fig. 2, a rotation servo motor 33 is fixed to a side of the fixed disk 31 facing the mounting ring disk 22, the rotation servo motor 33 is located in an inner ring of the mounting ring disk 22, a motor shaft of the rotation servo motor 33 penetrates the fixed disk 31 and is coaxially fixed to the rotating disk 32, and the rotation servo motor 33 drives the rotating disk 32 to coaxially rotate with the fixed disk 31.
Referring to fig. 2, four first straight sliding grooves 7 are formed in the rotating disc 32, the length directions of the four first straight sliding grooves 7 are the same as the radial direction of the rotating disc 32, and the first straight sliding grooves 7 are uniformly distributed around the circumferential direction of the rotating disc 32. Four second straight sliding grooves 8 corresponding to the first straight sliding grooves 7 are formed in the fixing disc 31, the second straight sliding grooves 8 are arranged in a crossed mode with the length direction of the first straight sliding grooves 7, the length direction of the second straight sliding grooves 8 inclines around the same clockwise direction, and the inclination angles of each pair of first straight sliding grooves 7 and the second straight sliding grooves 8 are the same.
Referring to fig. 2, the clamping correction assembly 34 includes four clamping fingers 341 slidably disposed in four second straight sliding grooves 8 in a one-to-one correspondence manner, the clamping fingers 341 include a sliding block 3411 and a clamping column 3412, two ends of the sliding block 3411 are slidably disposed in the second straight sliding grooves 8, and two side walls of the second straight sliding grooves 8 in the width direction are provided with inner grooves 81 for accommodating the ends of the sliding block 3411.
Referring to fig. 2, one end of the clamping post 3412 is screwed to the sliding block 3411, and the other end of the clamping post 3412 is slidably disposed in the first straight chute 7, and the side wall of the clamping post 3412 is slidably contacted with both side walls of the first straight chute 7 in the width direction. The length direction of the clamp post 3412 is parallel to the axial direction of the rotary disk 32. The clamping posts 3412 protrude from a side of the rotating disk 32 away from the fixed disk 31, and the plurality of clamping posts 3412 are adjacent to each other to clamp the circumferential edge of the round blank.
Referring to fig. 2, a scale 9 is provided on the rotating disk 32, the scale 9 is located at one side of the first straight chute 7, and the extending direction of the scale 9 is parallel to the length direction of the first straight chute 7.
The implementation principle of the flexible and easily-corrected mechanical arm for stamping the stator and the rotor of the motor provided by the embodiment of the application is as follows: when correcting the positions of the blanks, the rotary servo motor 33 drives the rotary disc 32 to rotate, so that the clamping columns 3412 slide at the junction of the first straight sliding groove 7 and the second straight sliding groove 8 simultaneously, the clamping columns 3412 are close to or far away from each other simultaneously, the circumferential direction of the circular blanks is clamped by the clamping columns 3412, the circle centers of the circular blanks are overlapped with the circle centers of the rotary disc 32, and therefore the positions of the blanks are corrected, and the blanks are more accurately molded.
After the stamping die is repeatedly installed, when the die deviates from the original position, the clamping column 3412 is disassembled, so that the blank sheet on the stamping die horizontally falls on the rotating disc 32, the adjustment amount is determined through the observation scale 9, the fixing nut 42 is unscrewed, the fixing bolt 41 is displaced in the fixing hole 44, the fixing nut 42 is screwed after the adjustment is completed, and when the blank sheet on the stamping die falls on the rotating disc 32, the circle center of the stamping blank sheet coincides with the circle center of the rotating disc 32. Therefore, after the blank is corrected by the manipulator, the blank can be accurately placed on the stamping die when the blank is put into the die, so that the die is accurately put into the die.
In summary, the position of the rotating disc 32 in the present embodiment is convenient to adjust, and the operator can complete the adjustment almost once. The blank position can be flexibly corrected by adopting one rotary servo motor 33, so that the blank is not easy to deform or damage, the movement distance of the clamping column 3412 is adjustable by adjusting parameters of the rotary servo motor 33 in the background, and the preparation station assembly 3 is used for correcting blanks with different diameters. The swinging servo motor 2142 and the overturning servo motor 213 cooperate to realize picking, placing and transporting of the blank sheets and realize full-automatic production.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (1)
1. A flexible and easy-to-correct mechanical arm for stamping a motor stator and a motor rotor is characterized in that: the automatic feeding device comprises a base (1), a driving mechanism (2) arranged on the base (1) and a preparation station assembly (3) driven to move by the driving mechanism (2); the preparation station assembly (3) comprises a fixed disc (31), a rotating disc (32) coaxially arranged with the fixed disc (31) in a rotating way, a rotating servo motor (33) for driving the rotating disc (32) to rotate and a clamping correction assembly (34) for clamping the round blank; a plurality of first straight sliding grooves (7) are formed in the rotating disc (32), and the length direction of each first straight sliding groove (7) is the same as the radial direction of the rotating disc (32);
a plurality of second straight sliding grooves (8) which are in one-to-one correspondence with the first straight sliding grooves (7) are arranged on the fixed disc (31), the length direction of the second straight sliding grooves (8) is inclined with the length direction of the first straight sliding grooves (7), and the length direction of the second straight sliding grooves (8) is inclined in the same clockwise direction;
the clamping correction assembly (34) comprises a plurality of clamping fingers (341) which are arranged on the second straight sliding groove (8) in a sliding manner, the clamping fingers (341) are positioned at the intersection of the first straight sliding groove (7) and the second straight sliding groove (8), the side walls of the clamping fingers (341) are in sliding contact with two groove walls in the width direction of the first straight sliding groove (7), and the clamping fingers (341) are used for clamping the circumferential edges of the round blank;
the driving mechanism (2) comprises a mounting ring disc (22) for mounting a fixing disc (31) and a mechanical arm (21) for driving the mounting ring disc (22) to move, and the fixing disc (31) is fixed with the mounting ring disc (22) through a fixing assembly (4); the fixing assembly (4) comprises a plurality of fixing bolts (41) and a plurality of fixing nuts (42) which are in one-to-one correspondence threaded connection with the fixing bolts (41), wherein the fixing nuts (42) are positioned between the rotating disc (32) and the fixing disc (31), and a plurality of fixing holes (44) for the fixing bolts (41) to pass through are formed in the fixing disc (31); the inner diameter of the fixing hole (44) is larger than the outer diameter of the fixing bolt (41);
the rotary disc (32) is provided with a guide arc groove (6), the circle center of the guide arc groove (6) is the same as that of the rotary disc (32), the fixing bolt (41) is arranged in the guide arc groove (6) in a sliding way towards the end part of the rotary disc (32), and the side wall of the fixing bolt (41) is in sliding contact with the two inner walls of the guide arc groove (6) in the width direction;
the fixing assembly (4) further comprises a clamping ring piece (43), the clamping ring piece (43) is sleeved on the fixing bolt (41), and the clamping ring piece (43) is clamped between the fixing nut (42) and the fixing disc (31);
the fixed bolt (41) is connected with two limiting blocks (5) in a threaded manner, the rotating disc (32) is limited between the two limiting blocks (5), the fixed bolt (41) is connected with the two limiting blocks (5) in a threaded manner, the rotating disc (32) is limited between the two limiting blocks (5), and the rotating disc (32) is in sliding contact with the limiting blocks (5);
the mechanical arm (21) comprises a fixing frame (211) fixed with the mounting ring disc (22), a rotating rod (212) with the end part fixed with the fixing frame (211), a turnover servo motor (213) for driving the rotating rod (212) to rotate by taking the length direction of the rotating rod as the axis direction, a swinging assembly (214) for driving the rotating rod (212) to swing by taking the end part far away from the fixing frame (211) as the axis, and a supporting arm (215) connected with the base (1);
the motor shaft of the overturning servo motor (213) is the same as the length direction of the rotating rod (212);
the clamping finger (341) comprises a sliding block (3411) and a clamping column (3412) connected to the sliding block (3411) in a threaded mode, and the sliding block (3411) is arranged in the second straight sliding groove (8) in a sliding mode;
the rotary disc (32) is provided with scales (9), and the extending direction of the scales (9) is along the length direction of the first straight sliding groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111139499.0A CN113843359B (en) | 2021-09-26 | 2021-09-26 | Flexible and easy-to-correct mechanical arm for stamping motor stator and rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111139499.0A CN113843359B (en) | 2021-09-26 | 2021-09-26 | Flexible and easy-to-correct mechanical arm for stamping motor stator and rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113843359A CN113843359A (en) | 2021-12-28 |
| CN113843359B true CN113843359B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111139499.0A Active CN113843359B (en) | 2021-09-26 | 2021-09-26 | Flexible and easy-to-correct mechanical arm for stamping motor stator and rotor |
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| CN (1) | CN113843359B (en) |
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