CN209190779U - A kind of rotatable mechanical arm - Google Patents

A kind of rotatable mechanical arm Download PDF

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Publication number
CN209190779U
CN209190779U CN201821928386.2U CN201821928386U CN209190779U CN 209190779 U CN209190779 U CN 209190779U CN 201821928386 U CN201821928386 U CN 201821928386U CN 209190779 U CN209190779 U CN 209190779U
Authority
CN
China
Prior art keywords
mechanical arm
limit switch
screw nut
feed screw
sliding bar
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.)
Withdrawn - After Issue
Application number
CN201821928386.2U
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Chinese (zh)
Inventor
王晨
曹力
郭雨
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.)
Hangzhou Polar Wood Technology Co Ltd
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Hangzhou Polar Wood Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Polar Wood Technology Co Ltd filed Critical Hangzhou Polar Wood Technology Co Ltd
Priority to CN201821928386.2U priority Critical patent/CN209190779U/en
Application granted granted Critical
Publication of CN209190779U publication Critical patent/CN209190779U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of rotatable mechanical arms, including motor reducer, mechanical arm opening limit switch, limit switch sensor block, mechanical arm closure limit switch, gear-box, mechanical arm body, mechanical arm rotary part fixed cell, rotating sliding bar unit, driving unit, lead screw and feed screw nut unit and electricity loss brake;The feed screw nut link block of driving unit is connect with lead screw and feed screw nut unit;Rotating sliding bar unit one end is connect with feed screw nut link block, and the other end is connect with mechanical arm body;Mechanical arm body is mounted on mechanical arm rotary part fixed cell by mechanical arm rotating dog;The utility model is prevented in motion process mechanical arm to be shaken and is shaken apart using electricity loss brake power-off starting braking;It is closed limit switch by mechanical arm opening limit switch and mechanical arm, control unit can judge automatically opening and closing state.The utility model mechanical arm locking structure intensity is high, the simple reliable operation of structure, increases mechanical arm and is applicable in scene.

Description

A kind of rotatable mechanical arm
Technical field
The utility model belongs to rotatable mechanical arm used in mechanical arm field more particularly to a kind of wheeled robot.
Background technique
With social high speed development, automobile is more more and more universal, but the following parking problem has become major, middle city Problem.In order to solve the problem of existing storage parking lot and car parking area parking difficulty low efficiency, intelligent parking robot Using more and more common.Transport Vehicle intelligent robot mainly has with vehicle-carrying plate at present, comb teeth, several shapes of mechanical arm clamping Formula.In the prior art, the board-like robot of carrier vehicle will head on always vehicle-carrying plate, be minimum in space utilization rate and conevying efficiency 's.Comb-tooth-type robot needs to build special landing, and vehicle is lifted, then carries out lifting delivery, thereby results in space benefit It is less economical with rate.Mechanical arm clamping type is without building special landing, direct progress vehicle conveying, robot can directly into Enter vehicle bottom take stopping.According to the instruction of parking lot intelligent dispatching system, homing guidance is carried out.In the process of running, machine Device people can freely advance, and retreat, traversing, multidirectional flexible motion such as rotation.Therefore walking space is not only saved, but also Reduce the occupied area on parking stall.Since the robot advantage of mechanical arm clamping type is the most prominent, so associated mechanical arm list The exploitation of member also especially important.
Utility model content
In order to use the robot of mechanical arm clamping type preferably, the utility model provides a kind of rotatable Mechanical arm.
The purpose of this utility model is achieved through the following technical solutions: a kind of rotatable mechanical arm, feature It is, including motor reducer, mechanical arm opening limit switch, limit switch sensor block, mechanical arm are closed limit switch, gear Case, mechanical arm body, mechanical arm rotary part fixed cell, rotating sliding bar unit, driving unit, lead screw and feed screw nut list Member and electricity loss brake;
The mechanical arm opening limit switch, mechanical arm closure limit switch, gear-box, mechanical arm rotary part are fixed single Member and electricity loss brake are each attached in rack;
The input terminal of the motor reducer tooth connection roller box;The lead screw and feed screw nut unit one end tooth connection roller box Output end, the other end connect electricity loss brake;
The driving unit includes feed screw nut link block, the feed screw nut link block and lead screw and feed screw nut unit Connection;
Rotating sliding bar unit one end is connect with feed screw nut link block, and the other end is connect with mechanical arm body;
The mechanical arm body is mounted on mechanical arm rotary part fixed cell by mechanical arm rotating dog, can be with tool It is rotated centered on arm rotating dog;
The limit switch sensor block is fixed on feed screw nut link block, and when mechanical arm body fully opens, limit is opened It is corresponding with mechanical arm opening limit switch position to close sensor block position, is used for Crush trigger arm opening limit switch, mechanical arm When ontology is closed completely, limit switch sensor block position is corresponding with mechanical arm closure limit-switch positions, is used for Crush trigger Arm is closed limit switch.
Further, the mechanical arm body includes mechanical arm body installation lower plate, rotating dog fastening bolt, mechanical arm sheet Body installs upper plate and mechanical arm rotating dog;The mechanical arm rotary part fixed cell includes mechanical arm rotating dog fixing seat, rotation Rotation member lower support fixing bearing and rotary part upper support fixing bearing;The rotary part lower support fixing bearing It embeds and is fitted into mechanical arm rotating dog fixing seat with rotary part upper support fixing bearing, the mechanical arm rotating dog passes through machine Tool arm body installs upper plate, mechanical arm rotating dog fixing seat and mechanical arm body and installs lower plate, and mechanical arm body is mounted on machine On tool arm rotary part fixed cell, mechanical arm rotating dog bottom is fastened by rotating dog fastening bolt.
Further, the rotating sliding bar unit includes top rotating sliding bar and lower part rotating sliding bar;On described Portion's rotating sliding bar is mounted on feed screw nut link block by top fixed circlip, and the lower part rotating sliding bar passes through lower part Fixed circlip is mounted on feed screw nut link block, the top rotating sliding bar and lower part rotating sliding bar respectively with mechanical arm Ontology clamping.
Further, which further includes control unit, the mechanical arm opening limit switch and mechanical arm closure limit Bit switch is connect with control unit, judges opening and closing operation by control unit.
Further, the rack includes two pieces of support plates being vertically arranged symmetrically, the disposed inboard guide rail of support plate, institute Stating feed screw nut link block and limit switch sensor block can slide along guide rail.
The beneficial effects of the utility model are: the utility model provides a kind of rotatable New Type of Robot Arm, using mistake Electric brake power-off starting braking, prevents in motion process mechanical arm to be shaken and shakes apart;By mechanical arm opening limit switch and Mechanical arm is closed limit switch, and control unit can judge automatically opening and closing state.The utility model mechanical arm locking structure Intensity is high, the simple reliable operation of structure, increases mechanical arm and is applicable in scene.
Detailed description of the invention
Fig. 1 is the rotatable mechanical arm top view of the utility model (mechanical arm opening state);
Fig. 2 is the rotatable mechanical arm top view of the utility model (mechanical arm opening state perspective view);
Fig. 3 is schematic partial sectional view A-A;
Fig. 4 is schematic partial sectional view B-B;
Fig. 5 is the rotatable mechanical arm top view of the utility model (mechanical arm closed state);
In figure, motor reducer 1, mechanical arm opening limit switch 2, limit switch sensor block 3, mechanical arm closure limit are opened Close 4, gear-box 5, mechanical arm body 6, mechanical arm body installation lower plate 61, rotating dog fastening bolt 62, mechanical arm body installation Under upper plate 63, mechanical arm rotating dog 64, mechanical arm rotary part fixed cell 7, mechanical arm rotating dog fixing seat 71, rotary part Portion support fixing bearing 72, rotary part upper support fixing bearing 73, rotating sliding bar unit 8, top rotating sliding bar 81, Lower part rotating sliding bar 82, driving unit 9, feed screw nut link block 91, top fixed circlip 92, lower part fixed circlip 93, silk Thick stick and feed screw nut unit 10, electricity loss brake 11.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
A kind of rotatable New Type of Robot Arm provided by the utility model, including motor reducer 1, mechanical arm open limit Switch 2, limit switch sensor block 3, mechanical arm are closed limit switch 4, gear-box 5, mechanical arm body 6, mechanical arm rotary part Fixed cell 7, rotating sliding bar unit 8, driving unit 9, lead screw and feed screw nut unit 10 and electricity loss brake 11, are shown in Fig. 2.
The mechanical arm body 6 includes mechanical arm body installation lower plate 61, rotating dog fastening bolt 62, mechanical arm body peace Plate 63 and mechanical arm rotating dog 64 are loaded onto, sees Fig. 3.
The mechanical arm rotary part fixed cell 7 includes mechanical arm rotating dog fixing seat 71, rotary part lower support Fixing bearing 72 chord rotation member upper support fixing bearing 73, is shown in Fig. 3.
The rotating sliding bar unit 8 includes top rotating sliding bar 81 and lower part rotating sliding bar 82, sees Fig. 4.
The driving unit 9 includes feed screw nut link block 91, top fixed circlip 92 and lower part fixed circlip 93, sees figure 4。
The assemble sequence of the utility model mechanical arm is as follows:
Step 1: motor reducer 1 accesses the input terminal of gear-box 5, passes through the key and tooth on 1 output shaft of motor reducer Gear connection in roller box 5, and motor reducer 1 is fixed on gear-box 5 (see Fig. 2) by bolt;
Step 2: the output end of lead screw and 10 one end of feed screw nut unit access gear-box 5 passes through the key on lead screw end It is connect with the gear in gear-box 5 (see Fig. 2);Motor reducer 1 imparts power to feed screw nut unit by gear-box 5 10;
Step 3: lead screw and 10 other end of feed screw nut unit are connect with electricity loss brake 11, thus in mechanical arm body 6 When closing, electricity loss brake 11 is powered off, brake actuating, locks lead screw, is prevented in motion process mechanical arm to be shaken and is shaken apart;Power loss Brake 11 is fixed in robot frame (see Fig. 2);
Step 4: gear-box 5 is bolted in robot frame (see Fig. 2);
Step 5: it is man-machine that mechanical arm opening limit switch 2 and mechanical arm closure limit switch 4 are bolted on machine On frame, position is the final position that mechanical arm opens and closes (see Fig. 2).
Step 6: feed screw nut link block 91 is connect with lead screw and feed screw nut unit 10 (see Fig. 2) by bolt;
Step 7: limit switch sensor block 3 is fixed on feed screw nut link block 91 (see Fig. 2), for whole in opening and closing two Dead-centre position Crush trigger arm opening limit switch 2 and mechanical arm are closed limit switch 4;
Step 8: top rotating sliding bar 81 and lower part rotating sliding bar 82 pass through top fixed circlip 92 and lower part respectively Fixed circlip 93 is fixed on feed screw nut link block 91 (see Fig. 4);
Step 9: rotary part lower support fixing bearing 72 chord rotation member upper support fixing bearing 73 is embedded to be packed into (see Fig. 3) in mechanical arm rotating dog fixing seat 71;
Step 10: mechanical arm body installs lower plate 61 and mechanical arm body installation upper plate 63 is solid by mechanical arm rotating dog 64 It being scheduled on mechanical arm rotary part fixed cell 7,64 bottom of mechanical arm rotating dog is fastened by rotating dog fastening bolt 62, thus Enable mechanical arm body 6 with tool arm rotating dog 64 for center rotary motion;Mechanical arm rotary part fixed cell 7 is fixed on In rack, to provide the fixation on the six degree of freedom of mechanical arm space (see Fig. 3);
Step 11: top rotating sliding bar 81 and mechanical arm body are installed simultaneously in the installation process of synchronizing step ten Upper plate 63 is clamped, and lower part rotating sliding bar 82 and mechanical arm body installation lower plate 61 are clamped, to pass through rotating sliding bar list Member 8 completes rotary motion of the mechanical arm body 6 centered on mechanical arm rotating dog 64.
The specific implementation method of the utility model mechanical arm is as follows:
There are two state in mechanical arm use process: opening, from being closed into from being opened to closure;
1: seeing Fig. 1 to Fig. 4 (being closed into opening)
State feature: electricity loss brake 11 is powered, braking release;1 output power of motor reducer is transmitted to gear-box 5;Tooth Roller box 5 drives lead screw and feed screw nut unit 10 to operate by gear drive;Since electricity loss brake 11 has been powered opening, lead screw And feed screw nut unit 10 can drive driving unit 9 to move;Feed screw nut link block 91 in driving unit 9 pulls top rotation Push-pull rod 81 and lower part rotating sliding bar 82, to drive mechanical arm body 6 in mechanical arm rotary part fixed cell 7 Mechanical arm rotating dog 64 rotates;Limit switch sensor block 3 is with feed screw nut link block while mechanical arm body 6 is opened in place 91 move to the position of mechanical arm opening limit switch 2, and control unit receives this switching signal, and judgement is completed this and opens behaviour Make.
2: seeing Fig. 5 (being opened to closure)
State feature: electricity loss brake 11 is powered, braking release;1 output power of motor reducer is transmitted to gear-box 5;Tooth Roller box 5 drives lead screw and feed screw nut unit 10 to operate by gear drive;Since electricity loss brake 11 has been powered opening, lead screw And feed screw nut unit 10 can drive driving unit 9 to move;Feed screw nut link block 91 in driving unit 9 pushes top rotation Push-pull rod 81 and lower part rotating sliding bar 82, to drive mechanical arm body 6 in mechanical arm rotary part fixed cell 7 Mechanical arm rotating dog 64 rotates;Limit switch sensor block 3 is with feed screw nut link block while mechanical arm body 6 is closed in place 91 move to the position of mechanical arm closure limit switch 4, and control unit receives this switching signal, this closure behaviour is completed in judgement Make;Electricity loss brake 11 powers off, brake actuating, prevents in motion process mechanical arm to be shaken and shakes apart.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model Within enclosing.

Claims (5)

1. a kind of rotatable mechanical arm, which is characterized in that including motor reducer (1), mechanical arm opening limit switch (2), Limit switch sensor block (3), mechanical arm are closed limit switch (4), gear-box (5), mechanical arm body (6), mechanical arm rotating part Part fixed cell (7), rotating sliding bar unit (8), driving unit (9), lead screw and feed screw nut unit (10) and power loss braking Device (11);
The mechanical arm opening limit switch (2), mechanical arm are closed limit switch (4), gear-box (5), mechanical arm rotary part Fixed cell (7) and electricity loss brake (11) are each attached in rack;
The input terminal of motor reducer (1) the tooth connection roller box (5);The lead screw and the connection of feed screw nut unit (10) one end The output end of gear-box (5), the other end connect electricity loss brake (11);
The driving unit (9) includes feed screw nut link block (91), the feed screw nut link block (91) and lead screw and lead screw Nut unit (10) connection;
Described rotating sliding bar unit (8) one end is connect with feed screw nut link block (91), and the other end and mechanical arm body (6) are even It connects;
The mechanical arm body (6) is mounted on mechanical arm rotary part fixed cell (7) by mechanical arm rotating dog (64), energy It is enough to be rotated centered on tool arm rotating dog (64);
The limit switch sensor block (3) is fixed on feed screw nut link block (91), when mechanical arm body (6) fully opens, Limit switch sensor block (3) position is corresponding with mechanical arm opening limit switch (2) position, opens limit for Crush trigger arm It switchs (2), when mechanical arm body (6) is closed completely, limit switch sensor block (3) position and mechanical arm closure limit switch (4) Position is corresponding, for Crush trigger arm closure limit switch (4).
2. a kind of rotatable mechanical arm according to claim 1, which is characterized in that the mechanical arm body (6) includes Mechanical arm body installs lower plate (61), rotating dog fastening bolt (62), mechanical arm body installation upper plate (63) and mechanical arm rotation It sells (64);The mechanical arm rotary part fixed cell (7) includes mechanical arm rotating dog fixing seat (71), rotary part lower part branch Support fixing bearing (72) and rotary part upper support fixing bearing (73);The rotary part lower support fixing bearing (72) It embeds and is fitted into mechanical arm rotating dog fixing seat (71) with rotary part upper support fixing bearing (73), the mechanical arm rotation It sells (64) and passes through mechanical arm body installation upper plate (63), mechanical arm rotating dog fixing seat (71) and mechanical arm body installation lower plate (61), mechanical arm body (6) is mounted on mechanical arm rotary part fixed cell (7), mechanical arm rotating dog (64) bottom Portion is fastened by rotating dog fastening bolt (62).
3. a kind of rotatable mechanical arm according to claim 1, which is characterized in that the rotating sliding bar unit (8) Including top rotating sliding bar (81) and lower part rotating sliding bar (82);The top rotating sliding bar (81) is fixed by top Circlip (92) is mounted on feed screw nut link block (91), and the lower part rotating sliding bar (82) passes through lower part fixed circlip (93) Be mounted on feed screw nut link block (91), the top rotating sliding bar (81) and lower part rotating sliding bar (82) respectively with machine Tool arm body (6) clamping.
4. a kind of rotatable mechanical arm according to claim 1, which is characterized in that the mechanical arm further includes that control is single Member, the mechanical arm opening limit switch (2) and mechanical arm closure limit switch (4) are connect with control unit, pass through control Unit judges opening and closing operation.
5. a kind of rotatable mechanical arm according to claim 1, which is characterized in that the rack includes two pieces vertical right Claim the support plate of arrangement, the disposed inboard guide rail of support plate, the feed screw nut link block (91) and limit switch sensor block (3) It can be slided along guide rail.
CN201821928386.2U 2018-11-22 2018-11-22 A kind of rotatable mechanical arm Withdrawn - After Issue CN209190779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821928386.2U CN209190779U (en) 2018-11-22 2018-11-22 A kind of rotatable mechanical arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821928386.2U CN209190779U (en) 2018-11-22 2018-11-22 A kind of rotatable mechanical arm

Publications (1)

Publication Number Publication Date
CN209190779U true CN209190779U (en) 2019-08-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821928386.2U Withdrawn - After Issue CN209190779U (en) 2018-11-22 2018-11-22 A kind of rotatable mechanical arm

Country Status (1)

Country Link
CN (1) CN209190779U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109333525A (en) * 2018-11-22 2019-02-15 杭州极木科技有限公司 A kind of rotatable mechanical arm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109333525A (en) * 2018-11-22 2019-02-15 杭州极木科技有限公司 A kind of rotatable mechanical arm
CN109333525B (en) * 2018-11-22 2023-12-26 杭州极木科技有限公司 Rotatable mechanical arm

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Granted publication date: 20190802

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Granted publication date: 20190802

Effective date of abandoning: 20231226

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned