CN213616786U - Mechanical arm telescopic mechanism - Google Patents

Mechanical arm telescopic mechanism Download PDF

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Publication number
CN213616786U
CN213616786U CN202022657580.5U CN202022657580U CN213616786U CN 213616786 U CN213616786 U CN 213616786U CN 202022657580 U CN202022657580 U CN 202022657580U CN 213616786 U CN213616786 U CN 213616786U
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CN
China
Prior art keywords
groove
mechanical arm
rod
movable nut
telescopic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022657580.5U
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Chinese (zh)
Inventor
孙裕翔
许帅
聂亚明
杨雨衡
周同海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou University
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Zhengzhou University
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Filing date
Publication date
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Priority to CN202022657580.5U priority Critical patent/CN213616786U/en
Application granted granted Critical
Publication of CN213616786U publication Critical patent/CN213616786U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an arm telescopic machanism relates to the arm field, including a plurality of outriggers, every the outrigger is inside all to rotate and is connected with telescopic screw, the telescopic screw surface is equipped with movable nut, a plurality of connecting rods of movable nut top fixedly connected with, it is a plurality of be equipped with coupling mechanism between the outrigger, coupling mechanism includes mounting panel and locking lever, the connecting hole has been seted up to the inside central department of mounting panel, the inside check lock lever that is equipped with of connecting hole. The utility model discloses a select suitable quantity telescopic machanism according to actual conditions and demand, then insert the connecting hole of mounting panel with the locking lever in, then insert the connecting hole with the check lock lever and entangle the locking lever, use the screwdriver to rotate the check lock lever, the check lock lever rotates and drives its inside elasticity latch segment and rotates, with the elasticity latch segment from getting into the groove and change over to the embedded groove, utilize the elasticity of elasticity latch segment to pin the locking lever, accomplish a plurality of telescopic machanism's connection, improve the flexibility of using.

Description

Mechanical arm telescopic mechanism
Technical Field
The utility model relates to a arm field, in particular to arm telescopic machanism.
Background
The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling, is widely applied to the industrial field, can replace manual work to carry out efficient work, and therefore the efficiency of the whole production process can be improved, and the telescopic mechanism of the mechanical arm can drive the mechanical claw to carry out telescopic motion, so that the space is saved.
In the prior art, the telescopic mechanism of the mechanical arm is difficult to assemble selectively according to actual conditions and requirements, and the use flexibility of the telescopic mechanism of the mechanical arm is reduced.
Therefore, it is necessary to provide a telescopic mechanism for a robot arm to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanical arm telescopic machanism to solve the not ideal problem inadequately of the use flexibility that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mechanical arm telescopic mechanism comprises a plurality of outer frames, a telescopic screw rod is rotatably connected inside each outer frame, a movable nut is arranged on the surface of each telescopic screw rod, a plurality of connecting rods are fixedly connected to the top end of each movable nut, and a connecting mechanism is arranged among the outer frames;
coupling mechanism includes mounting panel and locking lever, the inside central department of mounting panel has seted up the connecting hole, the inside check lock lever that is equipped with of connecting hole, the insertion groove has been seted up to check lock lever one end, insertion groove inner wall fixed surface is connected with elasticity latch segment, the one end fixedly connected with rolling disc of insertion groove is kept away from to the check lock lever, the cross rotation groove has been seted up on rolling disc surface, the entering groove has been seted up to locking lever one side surface, the embedded groove has been seted up on locking lever surface, embedded groove and elasticity latch segment phase-match, locking lever tip fixedly connected with installation screw, the installation screw has been seted up on outrigger one end surface, installation screw and installation screw phase-.
Preferably, a plurality of connecting rod tip run through the outrigger and extend to the outside, and a plurality of one end and the mounting panel fixed connection of activity nut are kept away from to the connecting rod for the connecting rod can play the guide effect to the activity nut.
Preferably, the movable nut is connected with the inner wall of the outer frame in a sliding mode, and the movable nut is connected with the surface of the telescopic screw in a threaded mode, so that the movable nut can move along the inner wall of the outer frame along with the rotation of the telescopic screw.
Preferably, the surface of the bottom end of the telescopic screw rod is fixedly connected with a driven gear, and one side of the driven gear is provided with a driving gear.
Preferably, the driven gear is meshed with the driving gear, a through groove is formed in the surface of one side of the outer frame, and the driving gear is partially arranged inside the through groove, so that the driving gear can drive the driven gear to rotate, and the telescopic screw can be driven to rotate.
Preferably, driving gear bottom fixedly connected with driving motor, driving motor and the driving gear outside are equipped with the protection casing, the protection casing passes through bolt and outrigger fixed connection, can set up driving motor in the outrigger outside, and the convenience is overhauld driving motor.
Preferably, the surface of the bottom of the inner side of the outer frame is fixedly connected with a limiting block, the limiting block prevents the movable nut from contacting with the driven gear, a plurality of connecting screw holes are formed in the surface of the mounting plate, and other parts of the mechanical arm can be mounted through the plurality of connecting screw holes.
The utility model discloses a technological effect and advantage:
1. the proper number of telescopic mechanisms are selected according to actual conditions and requirements, the locking rod is inserted into the connecting hole of the mounting plate, the locking rod is inserted into the connecting hole to sleeve the locking rod, the locking rod is rotated by a screwdriver, the locking rod rotates to drive the elastic locking block inside the locking rod to rotate, the elastic locking block is transferred into the embedded groove from the entering groove, the locking rod is locked by the elasticity of the elastic locking block, the connection among the plurality of telescopic mechanisms is completed, and the use flexibility is improved;
2. the driven gear and the driving gear are arranged, the driving motor is arranged outside the outer frame through the driven gear and the driving gear, and the protective cover is covered on the surface of the driving motor through bolts, so that the driving motor can be conveniently overhauled;
3. through setting up the stopper, utilize the stopper can inject movable nut's home range, prevent to cause the oppression damage to driven gear to other parts of connecting screw installation arm improve and use the convenience.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a structure in fig. 1.
Fig. 3 is a schematic view of the structure of the locking rod of the present invention.
Fig. 4 is a schematic diagram of a cross-sectional structure of the locking rod of the present invention.
In the figure: 1. an outer frame; 2. a telescopic screw; 3. a movable nut; 4. a connecting rod; 5. a connecting mechanism; 6. mounting a plate; 7. a locking lever; 8. connecting holes; 9. a locking lever; 10. inserting the groove; 11. an elastic locking block; 12. rotating the disc; 13. a cross-shaped rotating groove; 14. entering a groove; 15. a groove is embedded; 16. installing a screw rod; 17. mounting a screw hole; 18. a driven gear; 19. a driving gear; 20. a drive motor; 21. a protective cover; 22. a limiting block; 23. and connecting the screw holes.
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.
The utility model provides a mechanical arm telescopic mechanism as shown in figures 1-4, including a plurality of outriggers 1, each outrigger 1 is inside all to rotate and is connected with telescopic screw 2, telescopic screw 2 surface is equipped with movable nut 3, movable nut 3 and outrigger 1 inner wall sliding connection, movable nut 3 and telescopic screw 2 surface threaded connection make movable nut 3 can move along outrigger 1 inner wall along with telescopic screw 2's rotation, the top of movable nut 3 is fixedly connected with a plurality of connecting rods 4, a plurality of the connecting rod 4 tip runs through outrigger 1 and extends to the outside, a plurality of the connecting rod 4 keep away from movable nut 3's one end and mounting panel 6 fixed connection, make connecting rod 4 can play the guide effect to movable nut 3;
secondly, a connecting mechanism 5 is arranged between a plurality of the outer frames 1, the connecting mechanism 5 comprises a mounting plate 6 and a locking rod 7, a connecting hole 8 is formed in the center of the inside of the mounting plate 6, a locking rod 9 is arranged inside the connecting hole 8, an insertion groove 10 is formed in one end of the locking rod 9, so that the locking rod 7 can be inserted into the insertion groove 10, an elastic locking block 11 is fixedly connected to the surface of the inner wall of the insertion groove 10, the elastic locking block 11 can be inserted into an insertion groove 15 to lock the locking rod 7, a rotating disc 12 is fixedly connected to one end, far away from the insertion groove 10, of the locking rod 9, a cross rotating groove 13 is formed in the surface of the rotating disc 12, a cross screwdriver is conveniently used to rotate the rotating disc 12, an entry groove 14 is formed in the surface of one side of the locking rod 7, so that, an embedded groove 15 is formed in the surface of the locking rod 7, and the embedded groove 15 is matched with the elastic locking block 11, so that the elastic locking block 11 can be inserted into the embedded groove 15;
finally, the end part of the locking rod 7 is fixedly connected with an installation screw 16, an installation screw hole 17 is formed in the surface of one end of the outer frame 1, and the installation screw 16 is matched with the installation screw hole 17 and can be used for installing and dismantling the locking rod 7.
As shown in fig. 1, 2 bottom fixed surface of telescopic screw is connected with driven gear 18, driven gear 18 one side is equipped with driving gear 19, driven gear 18 meshes with driving gear 19 mutually, logical groove has been seted up to 1 side surface of outrigger, 19 parts of driving gear set up inside logical groove for driving gear 19 can drive driven gear 18 and rotate, thereby can drive telescopic screw 2 and rotate, 19 bottom fixed surface of driving gear 20, the driving motor 20 and the driving gear 19 outside are equipped with protection casing 21, protection casing 21 passes through bolt and outrigger 1 fixed connection, can set up driving motor 20 in the outrigger 1 outside, conveniently overhauls driving motor 20.
As shown in fig. 1, a limiting block 22 is fixedly connected to the surface of the bottom inside the outer frame 1, the limiting block 22 prevents the movable nut 3 from contacting with the driven gear 18, a plurality of connecting screw holes 23 are formed in the surface of the mounting plate 6, and other parts of the robot arm can be mounted through the plurality of connecting screw holes 23.
The utility model discloses the theory of operation:
in actual use the utility model discloses the time, select suitable quantity telescopic machanism according to actual conditions and demand, then twist the installation screw 17 with the installation screw 16 of locking lever 7 tip, insert locking lever 7 in the connecting hole 8 of mounting panel 6 again, then insert locking lever 9 connecting hole 8 entangles locking lever 7 again, then use screwdriver cooperation cross rotating groove 13 to drive rolling disc 12 and rotate, rolling disc 12 rotates and drives locking lever 9 and rotate, locking lever 9 rotates and drives its inside elasticity latch segment 11 and rotates, in turning into embedded groove 15 with elasticity latch segment 11 from entering groove 14, utilize elasticity latch segment 11's elasticity to pin locking lever 7, accomplish the connection between two telescopic machanism, the flexibility of using is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a mechanical arm telescopic machanism, includes a plurality of outriggers (1), its characterized in that: a telescopic screw rod (2) is rotatably connected inside each outer frame (1), a movable nut (3) is arranged on the surface of each telescopic screw rod (2), a plurality of connecting rods (4) are fixedly connected to the top end of each movable nut (3), and a connecting mechanism (5) is arranged among the plurality of outer frames (1);
the connecting mechanism (5) comprises a mounting plate (6) and a locking rod (7), a connecting hole (8) is formed in the center of the inside of the mounting plate (6), a locking rod (9) is arranged inside the connecting hole (8), an insertion groove (10) is formed in one end of the locking rod (9), an elastic locking block (11) is fixedly connected to the surface of the inner wall of the insertion groove (10), an embedded groove (15) is formed in the surface of the locking rod (7), the embedded groove (15) is matched with the elastic locking block (11), a cross-shaped rotating groove (13) is formed in the surface of the rotating disc (12), an entry groove (14) is formed in one side surface of the locking rod (7), an installation screw hole (17) is formed in the surface of one end of the outer frame (1), the mounting screw rod (16) is matched with the mounting screw hole (17).
2. The mechanical arm telescopic mechanism according to claim 1, wherein: a plurality of connecting rod (4) tip runs through outrigger (1) and extends to the outside, and is a plurality of connecting rod (4) keep away from the one end and mounting panel (6) fixed connection of movable nut (3).
3. The mechanical arm telescopic mechanism according to claim 1, wherein: the movable nut (3) is connected with the inner wall of the outer frame (1) in a sliding mode, and the movable nut (3) is connected with the surface of the telescopic screw rod (2) in a threaded mode.
4. The mechanical arm telescopic mechanism according to claim 1, wherein: the surface of the bottom end of the telescopic screw rod (2) is fixedly connected with a driven gear (18), and a driving gear (19) is arranged on one side of the driven gear (18).
5. The mechanical arm telescopic mechanism according to claim 4, wherein: the driven gear (18) is meshed with the driving gear (19), a through groove is formed in the surface of one side of the outer frame (1), and the driving gear (19) is partially arranged inside the through groove.
6. The mechanical arm telescopic mechanism according to claim 5, wherein: driving gear (19) bottom fixedly connected with driving motor (20), driving motor (20) and driving gear (19) outside are equipped with protection casing (21), protection casing (21) pass through bolt and outrigger (1) fixed connection.
7. The mechanical arm telescopic mechanism according to claim 1, wherein: the surface of the bottom of the inner side of the outer frame (1) is fixedly connected with a limiting block (22), and the surface of the mounting plate (6) is provided with a plurality of connecting screw holes (23).
CN202022657580.5U 2020-11-17 2020-11-17 Mechanical arm telescopic mechanism Expired - Fee Related CN213616786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022657580.5U CN213616786U (en) 2020-11-17 2020-11-17 Mechanical arm telescopic mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022657580.5U CN213616786U (en) 2020-11-17 2020-11-17 Mechanical arm telescopic mechanism

Publications (1)

Publication Number Publication Date
CN213616786U true CN213616786U (en) 2021-07-06

Family

ID=76633965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022657580.5U Expired - Fee Related CN213616786U (en) 2020-11-17 2020-11-17 Mechanical arm telescopic mechanism

Country Status (1)

Country Link
CN (1) CN213616786U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114905533A (en) * 2022-06-21 2022-08-16 安徽江河智能装备集团有限公司 Lining-changing mechanical arm applied to narrow space work

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114905533A (en) * 2022-06-21 2022-08-16 安徽江河智能装备集团有限公司 Lining-changing mechanical arm applied to narrow space work
CN114905533B (en) * 2022-06-21 2024-04-16 安徽江河智能装备集团有限公司 Lining changing manipulator applied to narrow space work

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210706

Termination date: 20211117

CF01 Termination of patent right due to non-payment of annual fee