CN217620628U

CN217620628U - Mechanical gripper with buffer mechanism

Info

Publication number: CN217620628U
Application number: CN202220980735.5U
Authority: CN
Inventors: 张自豪; 唐远威
Original assignee: Dalian Vicenteco Industrial Automation Co ltd
Current assignee: Dalian Vicenteco Industrial Automation Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-10-21
Anticipated expiration: 2032-04-26

Abstract

The utility model provides a mechanical tongs with buffer gear, which comprises a bearing pedestal and is characterized by further comprising, servo motor, the movable rod, the movable sleeve, first piston rod, pneumatic cylinder and flexible activity subassembly, it is provided with servo motor to bear the base up end, servo motor's output is connected with the axis of rotation, the up end of axis of rotation is fixed with the rotation platform, it is fixed with the bracing piece to rotate the platform up end, pneumatic cylinder installs and rotates the platform up end, pneumatic cylinder left end face is connected with the one-way control valve, the inside second piston rod that is provided with of pneumatic cylinder, second piston rod up end is provided with flexible activity subassembly, the movable rod is installed at bracing piece rear end face, terminal surface right side is fixed with the movable sleeve under the movable rod, the inside activity push pedal that is provided with of movable sleeve, this design can provide buffer protection for mechanical tongs, prevent that it from damaging article or damaging own gripper at the in-process of snatching article, the rejection rate of article has been reduced, indirect benefit of producing has been improved.

Description

Mechanical gripper with buffer mechanism

Technical Field

The utility model relates to a mechanical tongs with buffer gear belongs to manipulator technical field.

Background

The mechanical gripper is an automatic operation device which can imitate certain action functions of a human hand and an arm and is used for gripping and carrying an object or an operation tool according to a fixed program, is the earliest appearing industrial robot and the earliest appearing modern robot, can replace heavy labor of people to realize mechanization and automation of production, and can operate under a harmful environment to protect personal safety, so that the mechanical gripper is widely applied to departments of mechanical manufacturing, metallurgy, electronics, light industry, atomic energy and the like.

In the prior art, the mechanical gripper has large gripping force when in use, the phenomena of article damage and mechanical gripper damage are easy to occur in the process of gripping articles, the rejection rate of products is improved, the production benefit is indirectly reduced, and the problems are solved by urgently needing a mechanical gripper with a buffer mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a machinery tongs with buffer gear to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, this design can provide the buffer protection for machinery tongs, prevents that it from damaging article or damaging the gripper of oneself at the in-process of snatching article, has reduced the rejection rate of article, the indirect benefit that has improved production.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a mechanical tongs with buffer gear, is including bearing base, servo motor, axis of rotation, rotation platform, bracing piece, rolling bearing, buffering protection mechanism and manipulator body, it is provided with servo motor to bear the base up end, servo motor's output is connected with the axis of rotation, the up end of axis of rotation is fixed with the rotation platform, the rotation platform up end is fixed with the bracing piece, it is provided with buffering protection mechanism to rotate the platform up end, be provided with rolling bearing between bracing piece and the buffering protection mechanism, the terminal surface is provided with the manipulator body under the buffering protection mechanism, buffering protection mechanism includes movable rod, movable sleeve, buffer spring, activity push pedal, first piston rod, second piston rod, pneumatic cylinder, one-way control valve and flexible movable assembly, pneumatic cylinder installs at the rotation platform up end, pneumatic cylinder left end face is connected with the one-way control valve, the inside second piston rod that is provided with of pneumatic cylinder, second piston rod up end flexible is provided with movable assembly, the movable rod is installed at the bracing piece rear end face, the terminal surface right side is fixed with movable sleeve under the movable sleeve, movable push pedal with the buffer spring between the movable sleeve, the piston rod is fixed with first piston rod.

Further, flexible movable assembly includes groove support and dwang, groove support mounting is in the lower terminal surface left side of movable rod, the inside dwang that is provided with of groove support.

Furthermore, the front end face of the movable rod is provided with a movable hole, the specification of the movable hole is matched with that of the rotating bearing, the movable sleeve is installed through screws, the screws are provided with multiple groups, and the multiple groups of screws are symmetrically installed on the right side of the lower end face of the movable rod.

Furthermore, the specification of the movable sleeve is matched with that of the movable push plate, the specification of the buffer spring is matched with that of the movable sleeve, a piston hole is formed in the lower end face of the movable sleeve, and the specification of the piston hole is matched with that of the first piston rod.

Furthermore, a fixing hole is formed in the upper end face of the pneumatic cylinder, the specification of the fixing hole is matched with that of the second piston rod, the second piston rod is connected with the pneumatic cylinder in a sealing mode, and the one-way control valve is connected with the pneumatic cylinder in a sealing mode.

Furthermore, a rotating hole is formed in the groove support, and the specification of the rotating hole is matched with that of the rotating rod.

The utility model has the advantages that: the utility model discloses a mechanical tongs with buffer gear, because of the utility model discloses added the movable rod, the activity sleeve, buffer spring, the activity push pedal, first piston rod, the second piston rod, pneumatic cylinder, the one-way control valve, groove support and dwang, this design can provide buffer protection for mechanical tongs, prevent that it from damaging article or damaging the gripper of oneself at the in-process of snatching article, the rejection rate of article has been reduced, indirect improvement the benefit of production, it is great to have solved original mechanical tongs and snatch strength when using, at the in-process of snatching article, the phenomenon that article damage and mechanical tongs damage appear easily, the rejection rate of product has been improved, indirect reduction the problem of production benefit.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front cross-sectional view of a mechanical gripper with a buffer mechanism according to the present invention;

fig. 2 is an enlarged schematic view of a mechanical gripper B with a buffer mechanism according to the present invention;

fig. 3 is an enlarged schematic view of a portion a of a mechanical gripper with a buffer mechanism according to the present invention;

fig. 4 is a left side cross-sectional view of a bendable movable assembly in a mechanical gripper with a buffer mechanism according to the present invention;

in the figure: 1-bearing base, 2-servo motor, 3-rotating shaft, 4-rotating platform, 5-supporting rod, 6-rotating bearing, 7-buffer protection mechanism, 71-movable rod, 72-movable sleeve, 73-buffer spring, 74-movable push plate, 75-first piston rod, 76-second piston rod, 77-pneumatic cylinder, 78-one-way control valve, 79-bendable movable component, 791-groove support, 792-rotating rod and 8-manipulator body.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

Referring to fig. 1-4, the present invention provides a technical solution: a mechanical gripper with a buffer mechanism comprises a bearing base 1, a servo motor 2, a rotating shaft 3, a rotating platform 4, a support rod 5, a rotating bearing 6, a buffer protection mechanism 7 and a manipulator body 8, wherein the servo motor 2 is arranged on the upper end face of the bearing base 1, the rotating shaft 3 is connected with the output end of the servo motor 2, the rotating platform 4 is fixed on the upper end face of the rotating shaft 3, the support rod 5 is fixed on the upper end face of the rotating platform 4, the buffer protection mechanism 7 is arranged on the upper end face of the rotating platform 4, the rotating bearing 6 is arranged between the support rod 5 and the buffer protection mechanism 7, the manipulator body 8 is arranged on the lower end face of the buffer protection mechanism 7, the buffer protection mechanism 7 comprises a movable rod 71, a movable sleeve 72, a buffer spring 73, a movable push plate 74, a first piston rod 75, a second piston rod 76, a pneumatic cylinder 77, a one-way control valve 78 and a bendable movable assembly 79, the pneumatic cylinder 77 is arranged on the upper end face of the rotating platform 4, the left end face of the pneumatic cylinder 77 is connected with the one-way control valve 78, the second piston rod 76 is arranged inside the pneumatic cylinder 77, the upper end face of the second piston rod 76 is provided with the bendable movable component 79, the movable rod 71 is arranged on the rear end face of the support rod 5, the movable sleeve 72 is fixed on the right side of the lower end face of the movable rod 71, the movable push plate 74 is arranged inside the movable sleeve 72, the buffer spring 73 is arranged between the movable push plate 74 and the movable sleeve 72, and the first piston rod 75 is fixed on the lower end face of the movable push plate 74, so that the mechanical gripper can be protected in a buffering manner, articles can be prevented from being damaged or own mechanical claws can be prevented from being damaged in the article grabbing process, the rejection rate of the articles is reduced, the production benefit is indirectly improved, the problem that the original mechanical gripper has large grabbing force when in use and is solved in the article grabbing process, the phenomena of article damage and mechanical gripper damage are easy to occur, the rejection rate of products is improved, and the production benefit is indirectly reduced.

Bendable movable assembly 79 includes groove support 791 and dwang 792, and groove support 791 installs in the lower terminal surface left side of movable rod 71, and groove support 791 is inside to be provided with dwang 792.

The front end face of the movable rod 71 is provided with a movable hole, the specification of the movable hole is matched with that of the rotating bearing 6, the movable rod 71 can move up and down through matching with the rotating bearing 6 by the design, the movable sleeve 72 is installed through screws, the screws are provided with multiple groups, the multiple groups of screws are symmetrically installed on the right side of the lower end face of the movable rod 71, the movable sleeve 72 can be stably fixed by the design, the specification of the movable sleeve 72 is matched with that of the movable push plate 74, the specification of the buffer spring 73 is matched with that of the movable sleeve 72, the lower end face of the movable sleeve 72 is provided with a piston hole, the specification of the piston hole is matched with that of the first piston rod 75, when the mechanical arm body 8 catches an excessive force, the mechanical arm body 8 is upwards subjected to a reaction force to push the first piston rod 75 to move according to the principle of relativity of the force, the buffer spring 73 is subjected to a component force, and damage of the mechanical arm body 8 and articles caused by the reaction force is relieved.

The fixed orifices has been seted up to pneumatic cylinder 77 up end, the specification of fixed orifices and the specification phase-match of second piston rod 76, sealing connection between second piston rod 76 and the pneumatic cylinder 77, sealing connection between one-way control valve 78 and the pneumatic cylinder 77, the inside rotation hole of having seted up of groove support 791, the specification of rotation hole and the specification phase-match of dwang 792, this design makes buffer spring 73 when reaching limit elastic potential energy, manipulator body 8 still has ascending power, movable rod 71 can the upward movement this moment, make pneumatic cylinder 77 help buffering reaction force through one-way control valve 78 exhaust gas.

As an embodiment of the present invention: the servo motor 2, the pneumatic cylinder 77, the one-way control valve 78 and the manipulator body 8 are connected to an external power supply and an external controller through a wire firstly by a worker, when the servo motor 2 and the manipulator body 8 are started to grab and place an article, because the downward force of the manipulator body 8 is too large, the article or the manipulator body 8 may be damaged, at this time, the reaction force applied to the manipulator body 8 can make the first piston rod 75 move upwards, so that the first piston rod 75 abuts against the movable push plate 74 to move, the buffer spring 73 converts the reaction force into elastic potential energy of a spring, the reaction is buffered, the injury to the manipulator body 8 and the article is relieved, if the buffer spring 73 reaches the limit elastic potential energy, the manipulator body 8 is subjected to the upward reaction, at this time, the right end of the movable rod 71 moves upwards, the left end of the movable rod 71 moves downwards, the second piston rod 76 is subjected to the downward reaction force through the rotating rod 792 in the groove support 791, at this time, the second piston rod 76 extrudes air, so that the pneumatic cylinder 77 helps to buffer the reaction force through the gas discharged through the one-way control valve 78, and the injury to the manipulator body 8 and the article is reduced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a mechanical tongs with buffer gear, is including bearing base, servo motor, axis of rotation, rotation platform, bracing piece, rolling bearing, buffering protection mechanism and manipulator body, its characterized in that: the manipulator is characterized in that a servo motor is arranged on the upper end face of the bearing base, the output end of the servo motor is connected with a rotating shaft, a rotating platform is fixed on the upper end face of the rotating shaft, a supporting rod is fixed on the upper end face of the rotating platform, a buffering protection mechanism is arranged on the upper end face of the rotating platform, a rotating bearing is arranged between the supporting rod and the buffering protection mechanism, and a manipulator body is arranged on the lower end face of the buffering protection mechanism;

buffer protection mechanism includes movable rod, movable sleeve, buffer spring, activity push pedal, first piston rod, second piston rod, pneumatic cylinder, one-way control valve and flexible movable assembly, pneumatic cylinder installs and rotates the platform up end, pneumatic cylinder left end face is connected with the one-way control valve, the inside second piston rod that is provided with of pneumatic cylinder, second piston rod up end is provided with flexible movable assembly, the movable rod is installed at bracing piece rear end face, terminal surface right side is fixed with movable sleeve under the movable rod, the inside activity push pedal that is provided with of movable sleeve, the activity push pedal with be provided with buffer spring between the movable sleeve, terminal surface is fixed with first piston rod under the activity push pedal.

2. The mechanical gripper with the cushioning mechanism of claim 1, wherein: the flexible movable assembly comprises a groove support and a rotating rod, the groove support is arranged on the left side of the lower end face of the movable rod, and the rotating rod is arranged inside the groove support.

3. The mechanical gripper with the cushioning mechanism of claim 1, wherein: the movable sleeve is installed through screws, the screws are provided with a plurality of groups, and the plurality of groups of screws are symmetrically installed on the right side of the lower end face of the movable rod.

4. The mechanical gripper with the cushioning mechanism of claim 1, wherein: the specification of the movable sleeve is matched with that of the movable push plate, the specification of the buffer spring is matched with that of the movable sleeve, a piston hole is formed in the lower end face of the movable sleeve, and the specification of the piston hole is matched with that of the first piston rod.

5. The mechanical gripper with the cushioning mechanism of claim 1, wherein: the pneumatic cylinder upper end face is seted up the fixed orifices, the specification of fixed orifices and the specification phase-match of second piston rod, sealing connection between second piston rod and the pneumatic cylinder, sealing connection between one-way control valve and the pneumatic cylinder.

6. The mechanical gripper with the cushioning mechanism of claim 2, wherein: the groove support is internally provided with a rotating hole, and the specification of the rotating hole is matched with that of the rotating rod.