CN214560911U

CN214560911U - Mechanical arm convenient to overhaul

Info

Publication number: CN214560911U
Application number: CN202120870201.2U
Authority: CN
Inventors: 张万贺; 程锦甫; 周杨; 吴仕德; 田红路
Original assignee: Liupanshui Normal University
Current assignee: Liupanshui Normal University
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-02
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an easy-to-overhaul mechanical arm, belonging to the field of mechanical arms, the key points of the technical proposal are that the mechanical arm comprises a base, the top of the base is fixedly connected with a snap ring, the inner wall of the snap ring is fixedly connected with a rotary table, the top of the rotary table is fixedly connected with a clamping seat, the interior of the clamping seat is rotatably connected with a first rotating shaft, one end of the first rotating shaft, which is far away from the clamping seat, is rotatably connected with a second rotating shaft, one end of the second rotating shaft, which is far away from the first rotating shaft, is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the second rotating shaft, is fixedly connected with a gripper, aiming at solving the problem that the traditional intelligent mechanical arm adopts an integrated structure design, so that when a user carries out maintenance and overhaul operations on the traditional intelligent mechanical arm, the user needs to carry out integral decomposition operations on the traditional mechanical arm, increases the operation difficulty when carrying out disassembly and overhaul, consumes a large amount of time of maintenance personnel, the problem of the staff work efficiency of maintenance personal has greatly been reduced.

Description

Mechanical arm convenient to overhaul

Technical Field

The utility model relates to an arm field, in particular to arm convenient to overhaul.

Background

A robotic arm generally refers to a programmable robotic arm having similar functionality as a human arm; the arm may be a complete mechanical device or a part of a more complex robot, the manipulator is connected by joints to complete a rotational motion such as a linear motion in an articulated robot or a translational motion, the manipulator finally forms a kinematic chain by the connection of each joint, the end of the kinematic chain of the manipulator is called an end effector which is similar to a human hand, the manipulator is a mechanical device which can automatically complete the transmission or operation of objects (such as materials, workpieces, parts or tools) according to a given program or requirement, the manipulator can partially replace the manual labor of a human, the manipulator in a higher form can also simulate the actions of a human arm to complete more complex operations, the manipulator is widely applied to the fields of semiconductor manufacturing, industry, medical treatment, military affairs, space exploration and the like, and the industrial manipulator is an anthropomorphic arm, A mechatronic device with wrist and hand functions, a mechatronic device with anthropomorphic arm, wrist and hand functions; it can move any object or tool according to the time-varying requirement of space position and attitude, so as to meet the operation requirement of some industrial production, such as holding welding tongs or welding gun, and making spot welding or arc welding for car or motorcycle body; carrying die-cast or punch-formed parts or components; carrying out laser cutting; spraying; for industrial applications, it is not necessary that the robot arm have the full six degrees of freedom, but only one or a few of them. Rectangular coordinate system robotic arm can be formed by the unipolar robotic arm combination, and unipolar robotic arm uses extensively in the industry as a subassembly, and the lower picture is silver light mechanical production's unipolar robotic arm, and unipolar robotic arm's modularization greatly reduced industrial design's cost, because of professional manufacturer possess good quality assurance and batch production's advantage, use the subassembly to have more the advantage than designing robotic arm by oneself.

Robotic arm obtains the most extensive practical application's automatic mechanical device in robot technical field at present, at industrial manufacturing, medical treatment, entertainment service, military affairs and fields such as space are explored can both see its shadow, but current intelligent robotic arm still has certain drawback when using, traditional intelligent robotic arm adopts integral type structural design, make the user when maintaining the maintenance operation to traditional intelligent robotic arm, need carry out the whole operation of decomposing to it, it dismantles the operation difficulty degree when overhauing to have increased, consequently, need one kind can satisfy user's demand to the arm of the easy access of dismantling fast arm base.

SUMMERY OF THE UTILITY MODEL

The utility model provides an arm convenient to overhaul aims at solving current intelligent robotic arm and still has certain drawback when using, and traditional intelligent robotic arm adopts integral type structural design for the user need carry out whole decomposition operation to it when maintaining the maintenance operation to traditional intelligent robotic arm, has increased the problem of its operation degree of difficulty when dismantling and overhaul.

The utility model discloses a realize like this, an arm convenient to overhaul, the on-line screen storage device comprises a base, the top fixedly connected with snap ring of base, the inner wall fixedly connected with revolving stage of snap ring, the top fixedly connected with cassette of revolving stage, the inside of cassette is rotated and is connected with first pivot, the one end that the cassette was kept away from to first pivot is rotated and is connected with the second pivot, the one end fixedly connected with connecting rod of first pivot is kept away from in the second pivot, the one end fixedly connected with tongs of second pivot is kept away from to the connecting rod.

In order to reach the effect of being convenient for dismantle the base, as the utility model provides an arm convenient to overhaul, it is preferred, the base includes first casing, second casing, first even piece, second even piece and fastening bolt, the first even piece of one side fixedly connected with of first casing, one side fixedly connected with second of second casing even piece, first even piece and second even piece pass through fastening bolt fixed connection.

In order to reach the effect of being convenient for install the dismantlement to the snap ring, as the utility model provides an arm convenient to overhaul, it is preferred, the snap ring includes first semi-ring, second semi-ring, installation piece and fixing bolt, the first semi-ring of top fixedly connected with of first casing, the top fixedly connected with second semi-ring of second casing, the equal fixedly connected with installation piece in one side of first semi-ring and second semi-ring, the installation piece passes through fixing bolt fixed connection.

In order to reach the effect of firmness between reinforcing snap ring and the revolving stage, conduct the utility model provides an arm convenient to overhaul, it is preferred, the inner wall fixedly connected with packing ring of snap ring, the inner wall of packing ring and the outside fixed connection of revolving stage.

In order to reach the effect that convenient to use person dismantled to the base, conduct the utility model provides an arm convenient to overhaul, it is preferred, the equal fixedly connected with handle in top of first casing and second casing, the outside of handle is provided with anti-skidding line.

In order to reach the effect of hoist and mount convenient to overhaul the utility model provides an arm, it is preferred, the first hoist and mount ring of the equal fixedly connected with in both sides at first casing top, the equal fixedly connected with second hoist and mount ring in both ends at second casing top.

In order to reach the effect that increases the centre gripping firmness, conduct the utility model provides a convenient to overhaul's arm, it is preferred, the inboard of tongs is provided with tooth, tooth's the outside is provided with the antiskid cover.

In order to reach the radiating effect of being convenient for, conduct the utility model provides an arm convenient to overhaul, it is preferred, the louvre has been seted up to the inner wall of first casing, the inner wall fixedly connected with dust screen of louvre.

In order to reach and be convenient for install fixed effect to the base, conduct the utility model provides an arm convenient to overhaul, it is preferred, the equal fixedly connected with fixed block in the outside of first casing and second casing, the inside of fixed block is provided with the pin, the bottom fixedly connected with cushion of fixed block.

In order to reach and be convenient for install first casing and second casing and increase the effect of being connected firm nature between first casing and the second casing simultaneously, conduct the utility model provides an arm convenient to overhaul, it is preferred, the locating hole has been seted up to the inner wall of second casing, one side fixedly connected with of first casing and the locating lever that the locating hole cooperation was used, one side fixedly connected with inserted bar of first casing, the jack that uses with the inserted bar cooperation is seted up to the inner wall of second casing.

Compared with the prior art, the beneficial effects of the utility model are that:

the mechanical arm convenient to overhaul is characterized in that when the mechanical arm is disassembled, a worker takes out a fastening bolt from the inside of a first connecting block and a second connecting block through a tool so as to separate a first shell from a second shell, and simultaneously a user takes out a fixing bolt from the inside of an installation block so as to separate a first half ring from a second half ring, then the user pulls the first shell and the second shell through a handle so as to disassemble a base, after the base is disassembled, a maintainer can overhaul and replace mechanical elements in the base, because the base consists of the first shell and the second shell, a clamping ring consists of the first half ring and the second half ring, when the base is assembled, the two parts are only needed to be spliced together for fixing, the problem that the traditional intelligent mechanical arm is designed in an integrated structure is solved, so that when the user carries out maintenance and overhaul operations on the traditional intelligent mechanical arm is solved, the disassembly and maintenance tool needs to be integrally disassembled, so that the operation difficulty of the disassembly and maintenance is increased, a large amount of time of maintenance personnel is consumed during disassembly, and the working efficiency of the maintenance personnel is greatly reduced.

Drawings

FIG. 1 is an overall structure diagram of the mechanical arm convenient for maintenance of the present invention;

fig. 2 is a schematic structural diagram of the first housing of the present invention;

fig. 3 is a schematic structural diagram of a second housing of the present invention;

FIG. 4 is a connection diagram of the turntable and the clamping seat of the present invention;

fig. 5 is a schematic structural view of the gripper of the present invention;

fig. 6 is a schematic structural view of the fixing block of the present invention;

fig. 7 is an enlarged view of a portion a of fig. 2 according to the present invention;

fig. 8 is a partially enlarged view of the point B in fig. 3 according to the present invention.

In the figure, 1, a base; 101. a first housing; 102. a second housing; 103. a first connecting block; 104. a second connecting block; 105. fastening a bolt; 2. a snap ring; 201. a first half ring; 202. a second half ring; 203. mounting blocks; 204. fixing the bolt; 3. a turntable; 4. a card holder; 5. a first rotating shaft; 6. a second rotating shaft; 7. a connecting rod; 8. a gripper; 9. a gasket; 10. a handle; 11. a first hoisting ring; 12. a second hoisting ring; 13. teeth; 14. heat dissipation holes; 15. a dust screen; 16. a fixed block; 17. a pin; 18. cushion blocks; 19. positioning holes; 20. positioning a rod; 21. inserting a rod; 22. and (4) inserting the jack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides an arm convenient to overhaul, the on-line screen storage device comprises a base 1, base 1's top fixedly connected with snap ring 2, the inner wall fixedly connected with revolving stage 3 of snap ring 2, revolving stage 3's top fixedly connected with cassette 4, cassette 4's inside is rotated and is connected with first pivot 5, the one end that cassette 4 was kept away from to first pivot 5 is rotated and is connected with second pivot 6, the one end fixedly connected with connecting rod 7 of first pivot 5 is kept away from to second pivot 6, the one end fixedly connected with tongs 8 of second pivot 6 are kept away from to connecting rod 7.

In this embodiment: during disassembly, a worker takes out the fastening bolt 105 from the inside of the first connecting block 103 and the second connecting block 104 through a tool, so as to separate the first shell 101 and the second shell 102, and simultaneously a user takes out the fastening bolt 204 from the inside of the mounting block 203, so as to separate the first half ring 201 and the second half ring 202, and then the user pulls the first shell 101 and the second shell 102 through the handle 10 to disassemble the base 1, after the base 1 is disassembled, a maintenance worker can overhaul and replace mechanical elements inside the base 1, because the base 1 is composed of two parts of the first shell 101 and the second shell 102, and the snap ring 2 is composed of two parts of the first half ring 201 and the second half ring 202 when the base is assembled, only the two parts are spliced together to be fixed, the problem that the traditional base is composed of a whole is solved, because more mechanical elements inside are connected with the base more connections during disassembly, the disassembly is complicated, a great deal of time of maintenance personnel is consumed during the disassembly, and the working efficiency of the working personnel of the maintenance personnel is greatly reduced.

As a technical optimization scheme of the utility model, base 1 includes first casing 101, second casing 102, first even piece 103, the second links piece 104 and fastening bolt 105, the first piece 103 of one side fixedly connected with of first casing 101, the even piece 104 of one side fixedly connected with second of second casing 102, and first piece 103 and second link piece 104 pass through fastening bolt 105 fixed connection.

In this embodiment: the base 1 is divided into two parts by the first shell 101 and the second shell 102, the first connecting block 103, the second connecting block 104 and the fastening bolt 105, and the base 1 can be disassembled into two parts during disassembly, so that mechanical elements inside the base 1 can be exposed conveniently, and workers can overhaul and replace the mechanical elements inside the base 1 conveniently.

As a technical optimization scheme of the utility model, snap ring 2 includes first semi-ring 201, second semi-ring 202, installation piece 203 and fixing bolt 204, the first semi-ring 201 of top fixedly connected with of first casing 101, the second semi-ring 202 of top fixedly connected with of second casing 102, the equal fixedly connected with installation piece 203 of one side of first semi-ring 201 and second semi-ring 202, installation piece 203 passes through fixing bolt 204 fixed connection.

In this embodiment: the snap ring 2 is divided into two parts by the first half ring 201, the second half ring 202, the mounting block 203 and the fixing bolt 204, and is matched with the base 1 for use, and the two parts can be spliced together to cover the outer side of the turntable 3 when the snap ring 2 is mounted, so that the problems that the conventional fixing cover is integrally formed, and the whole body is required to be mounted and operated inconveniently and the efficiency is low when the mounting is carried out are solved.

As a technical optimization scheme of the utility model, the inner wall fixedly connected with packing ring 9 of snap ring 2, the inner wall of packing ring 9 and the outside fixed connection of revolving stage 3.

In this embodiment: at the inner wall fixed connection packing ring 9 of snap ring 2, reduced the gap between snap ring 2 and the revolving stage 3, make the snap ring 2 inseparabler with being connected before the revolving stage 3, improved the firmness between snap ring 2 and the revolving stage 3, can effectually prevent that revolving stage 3 from producing the influence because of being connected between 2 looseness with the snap ring when using to the use of arm.

As a technical optimization scheme of the utility model, the equal fixedly connected with handle 10 in top of first casing 101 and second casing 102, the outside of handle 10 is provided with anti-skidding line.

In this embodiment: the handle 10 is arranged at the top of the first shell 101 and the top of the second shell 102, so that when a user installs and detaches the first shell 101 and the second shell 102, the user can hold the first shell 101 and the second shell 102 conveniently, the operation of installing and detaching the first shell 101 and the second shell 102 is realized, and the work efficiency of the user is effectively improved.

As a technical optimization scheme of the utility model, the first hoisting ring 11 of the equal fixedly connected with in both sides at first casing 101 top, the equal fixedly connected with second hoisting ring 12 in both ends at second casing 102 top.

In this embodiment: through the first hoisting ring 11 and the second hoisting ring 12 of top fixed connection at first casing 101 and second casing 102, when the user removes and installs fixedly to this device, can fix the hoist and mount rope in the inside of first hoisting ring 11 and second hoisting ring 12, then hoists this device through hoisting equipment and remove and install fixedly, the effectual work efficiency who improves the user.

As a technical optimization scheme of the utility model, the inboard of tongs 8 is provided with tooth 13, and the outside of tooth 13 is provided with the antiskid cover.

In this embodiment: through set up tooth 13 in the inboard of tongs 8 and set up the antiskid cover in the outside of tooth 13, can increase the frictional force between tongs 8 and the article that need the centre gripping when tongs 8 carries out the centre gripping to article, make tongs 8 more firm to the centre gripping of article, the effectual article that need the centre gripping of preventing from slipping and receiving the damage from tongs 8's inside, improved the practicality of this device.

As a technical optimization scheme of the utility model, louvre 14's inner wall fixedly connected with dust screen 15 have been seted up to the inner wall of first casing 101.

In this embodiment: through setting up louvre 14 at the inner wall of first casing 101, can arrange the heat that the inside mechanical component of base 1 produced and dispel, prevent that mechanical component from receiving the damage because of the heat can not get giving off, set up dust screen 15 in louvre 14's inside, can block pollutants such as dust in the external environment in the outside of base 1, prevent that external pollutant from getting into the inside of base 1 through louvre 14 and producing the damage to the inside mechanical component of base 1.

As a technical optimization scheme of the utility model, the equal fixedly connected with fixed block 16 in the outside of first casing 101 and second casing 102, the inside of fixed block 16 is provided with pin 17, the bottom fixedly connected with cushion 18 of fixed block 16.

In this embodiment: through set up fixed block 16 and set up pin 17 in the inside of fixed block 16 in the outside of first casing 101 and second casing 102, the user of being convenient for installs base 1 in mechanical equipment or building upper portion to strengthened the stability of this device when using, prevented that this device from taking place the emergence of unexpected condition such as turning on one's side or toppling over when using, through setting up cushion 18, can strengthen the compactness between fixed block 16 and the installation face, thereby further strengthened the stability of this device in using.

As a technical optimization scheme of the utility model, locating hole 19 has been seted up to the inner wall of second casing 102, and one side fixedly connected with of first casing 101 cooperates locating lever 20 of using with locating hole 19, one side fixedly connected with inserted bar 21 of first casing 101, and jack 22 that uses with the inserted bar 21 cooperation is seted up to the inner wall of second casing 102.

In this embodiment: through set up locating lever 20 outside first casing 101 and set up locating hole 19 in the inside of second casing 102, when installing first casing 101 and second casing 102, the user inserts locating lever 20 inside locating hole 19 at first and fixes first casing 101 and second casing 102, thereby convenient to use user is fixed to the installation of first casing 101 and second casing 102, the effectual work efficiency who uses that has improved, through set up inserted bar 21 and the inside jack 22 that sets up of second casing 102 in the outside of first casing 101, when installing between first casing 101 and second casing 102, inserted bar 21 can insert the inside of jack 22, thereby increased the connection compactness between first casing 101 and the second casing 102, the firmness when using of base 1 has been improved, thereby the protectiveness to the inside mechanical component of base 1 has been strengthened.

The working principle is as follows: when the mechanical elements in the base 1 need to be maintained, a worker needs to disassemble the base 1, when the disassembly is performed, the worker takes out the fastening bolt 105 from the inside of the first connecting block 103 and the second connecting block 104 through a tool so as to separate the first shell 101 from the second shell 102, simultaneously a user takes out the fixing bolt 204 from the inside of the mounting block 203 so as to separate the first half ring 201 from the second half ring 202, then the user pulls the first shell 101 and the second shell 102 through the handle 10 to disassemble the base 1, after the base 1 is disassembled, the maintenance worker can overhaul and replace the mechanical elements in the base 1, because the base 1 is composed of the first shell 101 and the second shell 102, and the snap ring 2 is composed of the first half ring 201 and the second half ring 202, when the assembly is completed, the two parts are spliced together to be fixed, the problem that the traditional base is integrally formed, when the traditional base is disassembled, because more internal mechanical elements are connected with the base, the disassembly is complicated, a great deal of time is consumed by maintenance personnel when the traditional base is disassembled, and the working efficiency of the maintenance personnel is greatly reduced is solved, in the device, the gasket 9 is fixedly connected with the inner wall of the clamping ring 2, the gap between the clamping ring 2 and the rotary table 3 is reduced, so that the clamping ring 2 is more tightly connected with the rotary table 3, the firmness between the clamping ring 2 and the rotary table 3 is improved, the influence on the use of a mechanical arm caused by the loose connection between the rotary table 3 and the clamping ring 2 when the rotary table is used can be effectively prevented, and when the gripper 8 grips an object, the friction force between the gripper 8 and the object to be gripped can be increased, the grip 8 can more firmly grip the object, the object to be gripped can be effectively prevented from sliding from the inner part of the grip 8 and being damaged, the practicability of the device is improved, the heat dissipation holes 14 are arranged on the inner wall of the first shell 101, the heat generated by the mechanical element in the base 1 can be dissipated, the mechanical element can be prevented from being damaged because the heat cannot be dissipated, the dustproof net 15 is arranged in the heat dissipation holes 14, the pollutant such as dust in the external environment can be blocked outside the base 1, the pollutant in the external environment can be prevented from entering the base 1 through the heat dissipation holes 14 and being damaged to the mechanical element in the base 1, the inserted rod 21 is arranged outside the first shell 101 and the insertion hole 22 is arranged inside the second shell 102, when the device is installed between the first shell 101 and the second shell 102, the inserted rod 21 can be inserted into the insertion hole 22, thereby increased the connection tightness between first casing 101 and the second casing 102, the firmness when using of base 1 has been improved, thereby the protectiveness to the inside mechanical component of base 1 has been strengthened, through set up locating lever 20 in the first casing 101 outside and set up locating hole 19 in the inside of second casing 102, when installing first casing 101 and second casing 102, the user inserts locating lever 20 the inside of locating hole 19 at first and fixes a position first casing 101 and second casing 102, thereby convenient to use person is fixed to the installation of first casing 101 and second casing 102, the effectual work efficiency who uses that has improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a arm convenient to overhaul, includes base (1), its characterized in that: the top fixedly connected with snap ring (2) of base (1), the inner wall fixedly connected with revolving stage (3) of snap ring (2), the top fixedly connected with cassette (4) of revolving stage (3), the inside of cassette (4) is rotated and is connected with first pivot (5), the one end that cassette (4) were kept away from in first pivot (5) is rotated and is connected with second pivot (6), the one end fixedly connected with connecting rod (7) of first pivot (5) are kept away from in second pivot (6), the one end fixedly connected with tongs (8) of second pivot (6) are kept away from in connecting rod (7).

2. An easy to service robot arm as claimed in claim 1, wherein: the base (1) comprises a first shell (101), a second shell (102), a first connecting block (103), a second connecting block (104) and a fastening bolt (105), wherein the first connecting block (103) is fixedly connected to one side of the first shell (101), the second connecting block (104) is fixedly connected to one side of the second shell (102), and the first connecting block (103) and the second connecting block (104) are fixedly connected through the fastening bolt (105).

3. An easy to service robotic arm as claimed in claim 2, in which: the snap ring (2) comprises a first half ring (201), a second half ring (202), a mounting block (203) and a fixing bolt (204), the top of the first shell (101) is fixedly connected with the first half ring (201), the top of the second shell (102) is fixedly connected with the second half ring (202), the mounting block (203) is fixedly connected to one side of the first half ring (201) and one side of the second half ring (202), and the mounting block (203) is fixedly connected through the fixing bolt (204).

4. An easy to service robot arm as claimed in claim 1, wherein: the inner wall of the clamping ring (2) is fixedly connected with a gasket (9), and the inner wall of the gasket (9) is fixedly connected with the outer side of the rotary table (3).

5. An easy to service robotic arm as claimed in claim 2, in which: the top of the first shell (101) and the top of the second shell (102) are both fixedly connected with handles (10), and anti-slip lines are arranged on the outer sides of the handles (10).

6. An easy to service robotic arm as claimed in claim 2, in which: the two sides of the top of the first shell (101) are fixedly connected with first hoisting rings (11), and the two ends of the top of the second shell (102) are fixedly connected with second hoisting rings (12).

7. An easy to service robot arm as claimed in claim 1, wherein: teeth (13) are arranged on the inner side of the gripper (8), and anti-skidding sleeves are arranged on the outer sides of the teeth (13).

8. An easy to service robot arm as claimed in claim 1, wherein: heat dissipation hole (14) have been seted up to the inner wall of first casing (101), the inner wall fixedly connected with dust screen (15) of heat dissipation hole (14).

9. An easy to service robotic arm as claimed in claim 2, in which: the outer sides of the first shell (101) and the second shell (102) are fixedly connected with fixing blocks (16), pins (17) are arranged inside the fixing blocks (16), and cushion blocks (18) are fixedly connected to the bottoms of the fixing blocks (16).

10. An easy to service robotic arm as claimed in claim 2, in which: the inner wall of the second shell (102) is provided with a positioning hole (19), one side of the first shell (101) is fixedly connected with a positioning rod (20) matched with the positioning hole (19) for use, one side of the first shell (101) is fixedly connected with an insertion rod (21), and the inner wall of the second shell (102) is provided with an insertion hole (22) matched with the insertion rod (21) for use.