CN207120249U - A kind of mechanical arm - Google Patents

A kind of mechanical arm Download PDF

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Publication number
CN207120249U
CN207120249U CN201721030842.7U CN201721030842U CN207120249U CN 207120249 U CN207120249 U CN 207120249U CN 201721030842 U CN201721030842 U CN 201721030842U CN 207120249 U CN207120249 U CN 207120249U
Authority
CN
China
Prior art keywords
threaded rod
motor
groove
arc
support
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
CN201721030842.7U
Other languages
Chinese (zh)
Inventor
董曼莎
司马力
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.)
Chongqing Moby Dick Digital Technology Co Ltd
Original Assignee
Chongqing Moby Dick Digital 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 Chongqing Moby Dick Digital Technology Co Ltd filed Critical Chongqing Moby Dick Digital Technology Co Ltd
Priority to CN201721030842.7U priority Critical patent/CN207120249U/en
Application granted granted Critical
Publication of CN207120249U publication Critical patent/CN207120249U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of mechanical arm, including base, the groove of opening upwards is provided with the base, and first support is provided with groove, the first motor is additionally provided with the groove, and first the output shaft of motor be fixedly connected with first support, the one end of the first support away from the first motor is rotatably connected to second support by the first tumbler, and the one end of second support away from the first tumbler is rotatably connected to the 3rd support by the second tumbler, the described one end of 3rd support away from the second tumbler is connected with fixed block by bull stick, and fixed block is provided with clamping device, the described one end of 3rd support away from the second tumbler is additionally provided with turn trough.The utility model is simple in construction, easy to operate, convenient to be mounted and dismounted the mechanical arm and gripper, and dismounting and change and maintenance are carried out to gripper so as to convenient;Meanwhile the gripper is applied to the object of different volumes size.

Description

A kind of mechanical arm
Technical field
It the utility model is related to mechanical arm technical field, more particularly to a kind of robot arm.
Background technology
With current scientific and technological development, increasing machine is operated instead of worker, not only reduces the fatigue of worker Degree, moreover it is possible to increase operating efficiency, and the error rate of work man-hour appearance can also be reduced;Robot is replacing worker's work When, it usually needs completed using mechanical arm, but mechanical arm of the prior art, due to its gripper and mechanical arm installing/dismounting Inconvenience, therefore when if desired gripper is changed after prolonged, it has not been convenient to operate;Meanwhile machinery of the prior art Pawl can not be applied to the object of various volume sizes, reduce the practicality of gripper;Therefore, it is proposed that a kind of mechanical arm comes Solve the above problems.
Utility model content
The purpose of this utility model is in order to solve mechanical arm in the prior art and gripper installation installing/dismounting inconvenience, no It is convenient that gripper is repaired and changed;And gripper can not be applied to the problem of object of various volume sizes, and propose A kind of mechanical arm.
To achieve these goals, the utility model employs following technical scheme:
A kind of mechanical arm, including base, the groove of opening upwards is provided with the base, and first is provided with groove Frame, the first motor is additionally provided with the groove, and the output shaft of the first motor is fixedly connected with first support, it is described The one end of first support away from the first motor is rotatably connected to second support by the first tumbler, and second support is remote One end of first tumbler is rotatably connected to the 3rd support by the second tumbler, and the 3rd support is away from the second tumbler One end is connected with fixed block by bull stick, and fixed block is provided with clamping device, and the 3rd support is away from the second tumbler One end is additionally provided with turn trough, and bull stick is inserted in turn trough, and the bottom of the turn trough is provided with the second motor, and bull stick is close to One end of two motors is provided with the first neck matched with the second driving motor output shaft, and the inwall of the turn trough is provided with annular Turn trough and the first chute, and the first chute connects with annular turn trough, the side wall of the bull stick is provided with the cunning matched with the first chute Block, the bull stick is hollow structure, and the first threaded rod and the second threaded rod are rotatably connected in bull stick, first threaded rod One end set through the upper side wall of bull stick, and the other end of the first threaded rod is fixedly connected with the second threaded rod, described first Threaded rod and the screw thread on the second threaded rod surface are set in opposite direction, and are arranged with the first threaded rod and the second threaded rod The first matched nut, the side wall of first nut is respectively connected with cross bar, and cross bar is located at the two of the first neck respectively Side, the cross bar is connected with fixture block close to the side side wall of the first neck, and fixture block is set through the side wall of the first neck, described The output shaft of second motor surround and is provided with multiple the second necks matched with fixture block.
Preferably, the clamping device includes the first arc clip and the second arc clip, and is set in the second arc clip There is the arc groove matched with the first arc clip, the fixed block is hollow structure, and the 3rd driving electricity is provided with fixed block Machine, the output shaft of the 3rd motor are connected with the 3rd threaded rod, and the 3rd threaded rod away from the 3rd motor one To hold and be connected with the 4th threaded rod, the screw thread on the 3rd threaded rod and the 4th threaded rod surface is set in opposite direction, and the 3rd The second matched nut is arranged with threaded rod and the 4th threaded rod, second nut passes through connecting rod and first respectively Arc clip and the second arc clip are fixedly connected.
Preferably, the side wall of first arc clip is provided with mounting groove, and is connected with gear by slide bar in mounting groove, The inner wall surrounding of the arc groove is provided with the multiple and teeth groove of gear matches, and the inwall of the mounting groove both sides is equipped with sliding Second chute of bar matching, and inwall of second chute away from mounting groove opening is connected by spring with slide bar.
Preferably, the inwall of first arc clip is provided with roller, and side inwall of the arc groove away from teeth groove is set There is the arc slot rolling matched with roller.
Preferably, the bull stick is provided with the second chute close to the side inwall of the second motor, and cross bar is away from first One end of nut is connected with the pulley matched with the second chute.
The utility model is simple in construction, easy to operate, and by setting turn trough in one end of the 3rd support, and bull stick is inserted in It is when bull stick is attached in turn trough, the sliding block in bull stick side wall is corresponding with the first chute on turn trough inwall in turn trough, it is sliding Block is by the first slide into annular turn trough;Meanwhile second the output shaft of motor be inserted in the first neck, now Rotate the first threaded rod and drive the second threaded rod to rotate, because the first threaded rod and the screw thread on the second threaded rod surface are in opposite Direction is set, therefore by the first nut two cross bars can be driven mutually to draw close or be located remotely from each other, when cross bar drives fixture block It is convenient that bull stick is attached in turn trough and fixes company with the output shaft of the second motor when being connected together with the second neck Connect, the second motor, which then facilitates, drives bull stick to be rotated in turn trough, facilitates gripper to carry out grabbing folder to any direction of object Operation;Therefore, the mechanical arm is convenient is mounted and dismounted to gripper, and gripper is changed and repaired so as to convenient; Meanwhile gripper goes for the object of various volume sizes, strong applicability.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of mechanical arm structural representation;
Fig. 2 is the structural representation at A in Fig. 1;
Fig. 3 be the utility model proposes a kind of mechanical arm in gripper structural representation;
Fig. 4 is the structural representation at B in Fig. 3.
In figure:1 base, 2 grooves, 3 first motors, 4 first supports, 5 second supports, 6 first tumblers, 7 the 3rd Support, 8 second tumblers, 9 connecting rods, 10 first arc clips, 11 bull sticks, 12 turn troughs, 13 second motors, 14 fixed blocks, 15 first chutes, 16 annular turn troughs, 17 sliding blocks, 18 first necks, 19 first threaded rods, 20 second threaded rods, 21 first nuts, 22 cross bars, 23 fixture blocks, 24 second necks, 25 second chutes, 26 pulleys, 27 the 3rd motors, 28 the 3rd threaded rods, 29 the 4th Threaded rod, 30 second nuts, 31 second arc clips, 32 arc grooves, 33 arc slot rollings, 34 teeth groove, 35 mounting grooves, 36 teeth Wheel, 37 slide bars, 38 second chutes, 39 springs, 40 rollers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.
Reference picture 1-4, a kind of mechanical arm, including base 1, the groove 2 of opening upwards is provided with base 1, and is set in groove 2 There is first support 4, the first motor 3 is additionally provided with groove 2, and the output shaft of the first motor 3 is fixed with first support 4 Connection, the one end of first support 4 away from the first motor 3 are rotatably connected to second support 5 by the first tumbler 6, and the The one end of two supports 5 away from the first tumbler 6 is rotatably connected to the 3rd support 7 by the second tumbler 8, and the 3rd support 7 is remote One end of second tumbler 8 is connected with fixed block 14 by bull stick 11, and fixed block 14 is provided with clamping device, clamping device bag The first arc clip 10 and the second arc clip 31 are included, and is provided with what is matched with the first arc clip 10 in the second arc clip 31 Arc groove 32, fixed block 14 are hollow structure, and the 3rd motor 27 is provided with fixed block 14, the 3rd motor 27 Output shaft is connected with the 3rd threaded rod 28, and the 3rd one end of threaded rod 28 away from the 3rd motor 27 is connected with the 4th screw thread The screw thread on bar 29, the 3rd threaded rod 28 and the surface of the 4th threaded rod 29 is set in opposite direction, and the 3rd threaded rod 28 and the 4th The second matched nut 30 is arranged with threaded rod 29, the second nut 30 passes through the arc clip of connecting rod 9 and first respectively 10, which are fixedly connected with the 3rd motor 27 with the second arc clip 31, drives the 3rd threaded rod 28 and the 4th threaded rod 29 to rotate, and 3rd threaded rod 28 and the screw thread on the surface of the 4th threaded rod 29 are set in opposite direction, therefore can be driven by the second nut 30 First arc clip 10 and the second arc clip 31 are mutually drawn close and complete the clipping operation to object, when object volume is smaller When, the first arc clip 10 can be sticked into the arc groove 32 in the second arc clip 31, therefore go for volume compared with Small object, the side wall of the first arc clip 10 is provided with mounting groove 35, and is connected with gear 36 by slide bar 37 in mounting groove 35, The inner wall surrounding of arc groove 32 is provided with multiple teeth groove 34 matched with gear 36, and the inwall of the both sides of mounting groove 35 is equipped with sliding The second chute 38 that bar 37 matches, and inwall of second chute 38 away from the opening of mounting groove 35 is connected by spring 39 and slide bar 37 Connect, when the first arc clip 10 is caught in arc groove 32, extrude gear 36 in mounting groove 35 and with moving slide-bar 37 the Slided in two chutes 38, while slide bar 37 compresses the spring 39 in the second chute 38, now the first arc clip 10 is caught in arc When in groove 32, by the cooperation of gear 36 and teeth groove 34, it can increase what the first arc clip 10 was connected with arc groove 32 Fastness, so as to increase the stability of clamping object, the inwall of the first arc clip 10 is provided with roller 40, and arc groove 32 is remote Side inwall from teeth groove 34 is provided with the arc slot rolling 33 that is matched with roller 40, below the cooperation of roller 40 and arc slot rolling 33 Just the first arc clip 10 enters in arc groove 32, and the one end of the 3rd support 7 away from the second tumbler 8 is additionally provided with turn trough 12, And bull stick 11 is inserted in turn trough 12, the bottom of turn trough 12 is provided with the second motor 13, and bull stick 11 is close to the second driving electricity One end of machine 13 is provided with the first neck 18 matched with the output shaft of the second motor 13, and the inwall of turn trough 12 is provided with annular turn trough 16 and first chute 15, and the first chute 15 connects with annular turn trough 16, the side wall of bull stick 11 is provided with to be matched with the first chute 15 Sliding block 17, bull stick 11 is hollow structure, and the first threaded rod 19 and the second threaded rod 20 are rotatably connected in bull stick 11, first One end of threaded rod 19 is set through the upper side wall of bull stick 11, and the other end of the first threaded rod 19 is fixed with the second threaded rod 20 The screw thread on connection, the first threaded rod 19 and the surface of the second threaded rod 20 is set in opposite direction, and the first threaded rod 19 and second The first matched nut 21 is arranged with threaded rod 20, the side wall of the first nut 21 is respectively connected with cross bar 22, and cross bar 22 are located at the both sides of the first neck 18 respectively, and bull stick 11 is provided with the second chute 25 close to the side inwall of the second motor 13, And the one end of cross bar 22 away from the first nut 21 is connected with the pulley 26 matched with the second chute 25, cross bar 22 is convenient conveniently to be passed through Pulley 26 is slidably connected with the second chute 25, and cross bar 22 is connected with fixture block 23, and fixture block close to the side side wall of the first neck 18 23 are set through the side walls of the first neck 18, the output shaft of the second motor 13 around provided with it is multiple matched with fixture block 23 the Two draw-in groove 24.
The utility model is simple in construction, easy to operate, by setting turn trough 12, and bull stick 11 in one end of the 3rd support 7 It is inserted in turn trough 12, when bull stick 11 is attached in turn trough 12, by the sliding block 17 in the side wall of bull stick 11 and the inwall of turn trough 12 On the correspondence of the first chute 15, sliding block 17 slid into annular turn trough 16 by the first chute 15;Meanwhile second motor 13 Output shaft be inserted in the first neck 18, now rotate the first threaded rod 19 and drive the second threaded rod 20 to rotate, due to the One threaded rod 19 and the screw thread on the surface of the second threaded rod 20 are set in opposite direction, therefore can drive two by the first nut 21 Individual cross bar 22 is mutually drawn close or is located remotely from each other, convenient when cross bar 22 drives the neck 24 of fixture block 23 and second to be connected together Bull stick 11 is attached in turn trough 12 and is fixedly connected with the output shaft of the second motor 13, the second motor 13 then facilitates Drive bull stick 11 to be rotated in turn trough 12, facilitate gripper to carry out grabbing folder operation to any direction of object.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model Within enclosing.

Claims (5)

1. a kind of mechanical arm, including base (1), it is characterised in that the groove (2) of opening upwards is provided with the base (1), and First support (4) is provided with groove (2), the first motor (3), and the first motor (3) are additionally provided with the groove (2) Output shaft be fixedly connected with first support (4), the one end of the first support (4) away from the first motor (3) passes through the One tumbler (6) is rotatably connected to second support (5), and the one end of second support (5) away from the first tumbler (6) passes through second Tumbler (8) is rotatably connected to the 3rd support (7), and the one end of the 3rd support (7) away from the second tumbler (8) passes through bull stick (11) fixed block (14) is connected with, and fixed block (14) is provided with clamping device, the 3rd support (7) is away from the second tumbler (8) one end is additionally provided with turn trough (12), and bull stick (11) is inserted in turn trough (12), and the bottom of the turn trough (12) is provided with second Motor (13), and bull stick (11) is provided with and the second motor (13) output shaft close to one end of the second motor (13) The first neck (18) of matching, the inwall of the turn trough (12) is provided with annular turn trough (16) and the first chute (15), and first slides Groove (15) connects with annular turn trough (16), and the side wall of the bull stick (11) is provided with the sliding block (17) matched with the first chute (15), The bull stick (11) is hollow structure, and the first threaded rod (19) and the second threaded rod (20) are rotatably connected in bull stick (11), One end of first threaded rod (19) is set through the upper side wall of bull stick (11), and the other end of the first threaded rod (19) and the Two threaded rods (20) are fixedly connected, and the screw thread on first threaded rod (19) and the second threaded rod (20) surface is set in opposite direction Put, and matched the first nut (21) is arranged with the first threaded rod (19) and the second threaded rod (20), described first The side wall of nut (21) is respectively connected with cross bar (22), and cross bar (22) is located at the both sides of the first neck (18), the cross bar respectively (22) the side side wall close to the first neck (18) is connected with fixture block (23), and fixture block (23) runs through the side wall of the first neck (18) Set, the output shaft of second motor (13), which is surround, is provided with multiple the second necks (24) matched with fixture block (23).
2. a kind of mechanical arm according to claim 1, it is characterised in that the clamping device includes the first arc clip (10) and the second arc clip (31), and that the arc matched with the first arc clip (10) is provided with the second arc clip (31) is recessed Groove (32), the fixed block (14) are hollow structure, and the 3rd motor (27) is provided with fixed block (14), and the described 3rd drives The output shaft of dynamic motor (27) is connected with the 3rd threaded rod (28), and the 3rd threaded rod (28) is away from the 3rd motor (27) One end is connected with the 4th threaded rod (29), and the screw thread on the 3rd threaded rod (28) and the 4th threaded rod (29) surface is in phase negative side To setting, and matched the second nut (30) is arranged with the 3rd threaded rod (28) and the 4th threaded rod (29), it is described Second nut (30) is fixedly connected by connecting rod (9) with the first arc clip (10) and the second arc clip (31) respectively.
3. a kind of mechanical arm according to claim 2, it is characterised in that the side wall of first arc clip (10) is provided with Mounting groove (35), and gear (36), the inwall ring of the arc groove (32) are connected with by slide bar (37) in mounting groove (35) Multiple teeth groove (34) matched with gear (36) are arranged with, the inwall of mounting groove (35) both sides is equipped with and slide bar (37) The second chute (38) matched somebody with somebody, and inwall of the second chute (38) away from mounting groove (35) opening passes through spring (39) and slide bar (37) connect.
4. a kind of mechanical arm according to claim 2, it is characterised in that the inwall of first arc clip (10) is provided with Roller (40), and side inwall of the arc groove (32) away from teeth groove (34) is provided with the arc slot rolling matched with roller (40) (33)。
5. a kind of mechanical arm according to claim 1, it is characterised in that the bull stick (11) is close to the second motor (13) side inwall is provided with the second chute (25), and the one end of cross bar (22) away from the first nut (21) is connected with and slided with second The pulley (26) of groove (25) matching.
CN201721030842.7U 2017-08-17 2017-08-17 A kind of mechanical arm Expired - Fee Related CN207120249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721030842.7U CN207120249U (en) 2017-08-17 2017-08-17 A kind of mechanical arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721030842.7U CN207120249U (en) 2017-08-17 2017-08-17 A kind of mechanical arm

Publications (1)

Publication Number Publication Date
CN207120249U true CN207120249U (en) 2018-03-20

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ID=61602518

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721030842.7U Expired - Fee Related CN207120249U (en) 2017-08-17 2017-08-17 A kind of mechanical arm

Country Status (1)

Country Link
CN (1) CN207120249U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108613827A (en) * 2018-05-04 2018-10-02 安徽中乾能源有限公司 A kind of Coal Mechanical sample devices convenient for adjusting
CN110193840A (en) * 2019-05-16 2019-09-03 北京点域科技有限公司 A kind of intelligent machine arm for replacing arm hand convenient for user

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108613827A (en) * 2018-05-04 2018-10-02 安徽中乾能源有限公司 A kind of Coal Mechanical sample devices convenient for adjusting
CN110193840A (en) * 2019-05-16 2019-09-03 北京点域科技有限公司 A kind of intelligent machine arm for replacing arm hand convenient for user

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

Granted publication date: 20180320

Termination date: 20200817