CN214025779U - High-precision mechanical arm capable of reacting quickly - Google Patents

High-precision mechanical arm capable of reacting quickly Download PDF

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Publication number
CN214025779U
CN214025779U CN202022956197.XU CN202022956197U CN214025779U CN 214025779 U CN214025779 U CN 214025779U CN 202022956197 U CN202022956197 U CN 202022956197U CN 214025779 U CN214025779 U CN 214025779U
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China
Prior art keywords
mechanical arm
motor
seat
screw rod
precision
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CN202022956197.XU
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Chinese (zh)
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廖英胜
李年发
李�杰
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Chongqing Ruijiada Technology Co ltd
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Chongqing Ruijiada Technology Co ltd
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Abstract

The utility model discloses an arm with high precision and rapid reaction, which comprises an installation base, a first-level mechanical arm and a horizontal rotary seat, wherein a support is fixed at the top of the installation base, a first motor for driving the horizontal rotary seat to rotate is arranged at the top of the support, a mechanical arm mounting seat and a second motor for driving the first-level mechanical arm to rotate are arranged at the top of the horizontal rotary seat, the first-level mechanical arm is rotatably arranged on the mechanical arm mounting seat, a synchronizing wheel mounting seat is arranged between the second motor and the mechanical arm mounting seat, a second-level mechanical arm is rotatably arranged on the first-level mechanical arm, an output shaft of a C motor and a C motor are fixed at the end part of the second-level mechanical arm, and the output shaft of the C motor is connected with a mounting disc and also comprises a supporting mechanism; the utility model has the advantages that: the designed support mechanism is beneficial to further supporting the C motor, so that the C motor looseness caused after a long time is reduced; through the firm mechanism of design for the installation base is fixed more firmly on the supporting seat.

Description

High-precision mechanical arm capable of reacting quickly
Technical Field
The utility model belongs to the technical field of the arm, concretely relates to but arm of high and fast reaction of precision.
Background
The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling. Because of the unique operation flexibility, the method is widely applied to the fields of industrial assembly, safety, explosion prevention and the like; the mechanical arm is a complex system, and uncertainties such as parameter perturbation, external interference, unmodeled dynamics and the like exist. Therefore, uncertainty exists in a modeling model of the mechanical arm, and for different tasks, the motion trail of the joint space of the mechanical arm needs to be planned, so that the tail end pose is formed by cascading.
The application number CN201721534436.4 discloses a mechanical arm with high precision and rapid response, which comprises a mounting base, a horizontal rotating seat rotationally arranged on the mounting base, a mechanical arm mounting seat arranged on the horizontal rotating seat, and a mechanical arm rotationally arranged on the mechanical arm mounting seat; the output shaft of C motor has the mounting disc, utilizes the mounting disc can external mechanical structure to utilize C motor to drive.
The existing mechanical arm with high precision and quick response has the following defects when in use:
the C motor is arranged on the secondary mechanical arm, and the loosening of the C motor is easily caused after a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but arm that precision is high and quick reaction to the C motor that proposes in solving above-mentioned background is installed on the second grade arm, and the time is long afterwards, causes the not hard up problem of C motor easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but high and quick reaction's arm of precision, includes installation base, one-level arm and horizontal roating seat, the top that the top of installation base is fixed with support, support is provided with drive horizontal roating seat pivoted first motor, the top of horizontal roating seat is provided with arm mount pad and drive one-level arm pivoted second motor, and one-level arm rotates and sets up on the arm mount pad, be provided with the synchronizing wheel mount pad between second motor and the arm mount pad, it is provided with the second grade arm to rotate on the one-level arm, the output shaft that the end fixing of second grade arm has C motor, C motor has the mounting disc, still includes supporting mechanism, supporting mechanism includes second support board, second nut, second bearing, fixed block and screw rod, the fixed block is fixed in the bottom of second grade arm, And the surface of the fixed block is provided with a through hole, a second nut which is screwed with the screw thread is arranged in the through hole, one end of the screw is provided with a second abutting plate which abuts against the C motor, and a second bearing is arranged at the joint of the second abutting plate and the screw.
Preferably, the fixing block is of an L-shaped structure, and a horizontal part of the fixing block is provided with a through hole.
Preferably, the other end of the screw rod extends out of the fixed block and is connected with a rotating wheel.
Preferably, still include moving mechanism, moving mechanism includes supporting seat and truckle, the truckle is installed in the bottom four corners of supporting seat, the top of supporting seat is fixed with the installation base, be provided with firm mechanism on the supporting seat.
Preferably, the stabilizing mechanism comprises a first abutting plate, a first screw rod, a fixing plate, a first bearing and a first nut, the fixing plate is symmetrically distributed on the top of the supporting seat, the surface of the fixing plate is provided with a through hole, the first nut screwed with the first screw rod is installed in the through hole, one end of the first screw rod is provided with the first abutting plate which is abutted against the installation base, and the first bearing is arranged at the joint of the first abutting plate and the first screw rod.
Preferably, the first abutting plate is of a cuboid structure, and a hand wheel is arranged at the other end of the first screw rod.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the designed support mechanism is beneficial to further supporting the C motor, so that the C motor looseness caused after a long time is reduced;
(2) through the firm mechanism of design for the installation base is fixed more firmly on the supporting seat.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural view of the region a in fig. 1 according to the present invention;
fig. 3 is an enlarged schematic structural view of the region K in fig. 1 according to the present invention;
in the figure: 1. a supporting seat; 2. a caster wheel; 3. installing a base; 4. a support; 5. a first motor; 6. a primary mechanical arm; 7. a secondary mechanical arm; 8. a synchronizing wheel mounting base; 9. a second motor; 10. a horizontal rotating base; 11. c, a motor; 12. mounting a disc; 13. a second resisting plate; 14. a second nut; 15. a rotating wheel; 16. a second bearing; 17. a fixed block; 18. a screw; 19. a first resisting plate; 20. a first lead screw; 21. a fixing plate; 22. a first bearing; 23. a first nut; 24. a hand wheel; 25. arm mount pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a high-precision mechanical arm capable of quickly responding comprises an installation base 3, a primary mechanical arm 6 and a horizontal rotary seat 10, wherein a support 4 is fixed at the top of the installation base 3, a first motor 5 for driving the horizontal rotary seat 10 to rotate is arranged at the top of the support 4, the first motor 5 drives the horizontal rotary seat 10 to rotate through a belt, the integral rotation of the mechanical arm is facilitated, the vibration absorption effect can be achieved through belt transmission, errors generated by vibration of the first motor 5 are reduced, the control precision of rotation of the horizontal rotary seat 10 is improved, forward and reverse rotation of the horizontal rotary seat 10 in the horizontal direction can be achieved through 360-degree dead angle-free rotation by driving the horizontal rotary seat 10 to rotate through the belt, the effect of rotation control can be achieved through the smallest rotation angle according to actual operation requirements, and the control precision and the control efficiency can be improved, thereby shorten the assistance-time and thus save time cost, the top of horizontal roating seat 10 is provided with arm mount pad 25 and drive one-level arm 6 pivoted second motor 9, one-level arm 6 rotates and sets up on arm mount pad 25, be provided with synchronizing wheel mount pad 8 between second motor 9 and the arm mount pad 25, it is provided with second grade arm 7 to rotate on one-level arm 6, the end fixing of second grade arm 7 has C motor 11, the output shaft of C motor 11 has mounting disc 12, utilize mounting disc 12 can external mechanical structure, and utilize C motor 11 to drive, the function and the application scope of this scheme have been increased, still include the supporting mechanism, the supporting mechanism includes second butt plate 13, second nut 14, second bearing 16, fixed block 17 and screw rod 18, fixed block 17 is fixed in the bottom of second grade arm 7, and the surface of fixed block 17 has seted up the perforation, A second nut 14 screwed with the screw 18 is installed in the through hole, one end of the screw 18 is provided with a second abutting plate 13 abutting against the C motor 11, a second bearing 16 is arranged at the joint of the second abutting plate 13 and the screw 18, the screw 18 and the screw 18 are rotated to drive the second abutting plate 13 to advance, the second abutting plate 13 abuts against the C motor 11, the C motor 11 is further supported, and the looseness of the C motor 11 caused after a long time is reduced.
In this embodiment, preferably, the fixing block 17 is an "L" shaped structure, and a horizontal portion of the fixing block 17 is provided with a through hole for facilitating penetration of the screw 18.
In this embodiment, it is preferable that the other end of the screw 18 extends out of the fixing block 17 and is connected to the rotating wheel 15, and it is more convenient to rotate the screw 18 by the rotating wheel 15.
In the embodiment, preferably, the robot arm further comprises a moving mechanism, the moving mechanism comprises a supporting seat 1 and casters 2, the casters 2 are mounted at four corners of the bottom of the supporting seat 1, a mounting base 3 is fixed at the top of the supporting seat 1, and is convenient for the robot arm to move, a stabilizing mechanism is arranged on the supporting seat 1, the stabilizing mechanism comprises a first abutting plate 19, a first screw rod 20, a fixing plate 21, a first bearing 22 and a first nut 23, the fixing plate 21 is symmetrically arranged at the top of the supporting seat 1, a through hole is formed in the surface of the fixing plate 21, the first nut 23 screwed with the first screw rod 20 is mounted in the through hole, the first abutting plate 19 abutting against the mounting base 3 is arranged at one end of the first screw rod 20, the first bearing 22 is arranged at the joint of the first abutting plate 19 and the first screw rod 20, the first screw rod 20 is rotated and drives the first abutting plate 19 to advance, so that the first abutting plate 19 abuts against the mounting base 3 firmly, so that the mounting base 3 is more firmly fixed on the supporting seat 1.
In this embodiment, preferably, the first abutting plate 19 is a rectangular parallelepiped structure, a hand wheel 24 is disposed at the other end of the first screw rod 20, and it is more convenient to rotate the first screw rod 20 through the hand wheel 24.
The utility model discloses a theory of operation and use flow: the rotating wheel 15 is rotated, the rotating wheel 15 drives the screw rod 18 to rotate, the screw rod 18 drives the second abutting plate 13 to push, and the second abutting plate 13 abuts against the C motor 11, so that the C motor 11 is further supported, and the looseness of the C motor 11 caused after a long time is reduced;
the mounting base 3 is fixed on the top of the supporting base 1, the hand wheel 24 is rotated, the hand wheel 24 drives the first screw rod 20 to rotate, the first screw rod 20 rotates and drives the first abutting plate 19 to advance, so that the first abutting plate 19 abuts firmly on the mounting base 3, and the mounting base 3 is fixed on the supporting base 1 more stably.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A high-precision mechanical arm capable of quickly reacting comprises an installation base (3), a first-stage mechanical arm (6) and a horizontal rotary seat (10), wherein a support (4) is fixed to the top of the installation base (3), a first motor (5) for driving the horizontal rotary seat (10) to rotate is arranged at the top of the support (4), a mechanical arm installation seat (25) and a second motor (9) for driving the first-stage mechanical arm (6) to rotate are arranged at the top of the horizontal rotary seat (10), the first-stage mechanical arm (6) is rotatably arranged on the mechanical arm installation seat (25), a synchronizing wheel installation seat (8) is arranged between the second motor (9) and the mechanical arm installation seat (25), a second-stage mechanical arm (7) is rotatably arranged on the first-stage mechanical arm (6), a C motor (11) is fixed to the end of the second-stage mechanical arm (7), and an output shaft of the C motor (11) is connected with an installation disc (12), the method is characterized in that: the support mechanism comprises a second abutting plate (13), a second nut (14), a second bearing (16), a fixed block (17) and a screw (18), the fixed block (17) is fixed to the bottom of the secondary mechanical arm (7), a through hole is formed in the surface of the fixed block (17), the second nut (14) screwed with the screw (18) is installed in the through hole, the second abutting plate (13) abutted to the C motor (11) is arranged at one end of the screw (18), and the second bearing (16) is arranged at the joint of the second abutting plate (13) and the screw (18).
2. A precision and fast reaction robotic arm as claimed in claim 1, wherein: the fixing block (17) is of an L-shaped structure, and a horizontal part of the fixing block (17) is provided with a through hole.
3. A precision and fast reaction robotic arm as claimed in claim 1, wherein: the other end of the screw rod (18) extends out of the fixed block (17) and is connected with a rotating wheel (15).
4. A precision and fast reaction robotic arm as claimed in claim 1, wherein: still include moving mechanism, moving mechanism includes supporting seat (1) and truckle (2), truckle (2) are installed in the bottom four corners of supporting seat (1), the top of supporting seat (1) is fixed with installation base (3), be provided with firm mechanism on supporting seat (1).
5. A precision and fast reaction mechanical arm according to claim 4, characterized in that: the stabilizing mechanism comprises a first supporting plate (19), a first screw rod (20), a fixing plate (21), a first bearing (22) and a first nut (23), wherein the fixing plate (21) which is symmetrically distributed is arranged at the top of the supporting seat (1), the surface of the fixing plate (21) is provided with a through hole, the first nut (23) which is screwed with the first screw rod (20) is arranged in the through hole, the first supporting plate (19) which is abutted against the mounting base (3) is arranged at one end of the first screw rod (20), and the first bearing (22) is arranged at the joint of the first supporting plate (19) and the first screw rod (20).
6. A precision and fast reaction mechanical arm according to claim 5, characterized in that: the first abutting plate (19) is of a cuboid structure, and a hand wheel (24) is arranged at the other end of the first screw rod (20).
CN202022956197.XU 2020-12-09 2020-12-09 High-precision mechanical arm capable of reacting quickly Active CN214025779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022956197.XU CN214025779U (en) 2020-12-09 2020-12-09 High-precision mechanical arm capable of reacting quickly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022956197.XU CN214025779U (en) 2020-12-09 2020-12-09 High-precision mechanical arm capable of reacting quickly

Publications (1)

Publication Number Publication Date
CN214025779U true CN214025779U (en) 2021-08-24

Family

ID=77334758

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022956197.XU Active CN214025779U (en) 2020-12-09 2020-12-09 High-precision mechanical arm capable of reacting quickly

Country Status (1)

Country Link
CN (1) CN214025779U (en)

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