CN215281970U - Novel air bag type pneumatic mechanical claw - Google Patents

Novel air bag type pneumatic mechanical claw Download PDF

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Publication number
CN215281970U
CN215281970U CN202120604883.2U CN202120604883U CN215281970U CN 215281970 U CN215281970 U CN 215281970U CN 202120604883 U CN202120604883 U CN 202120604883U CN 215281970 U CN215281970 U CN 215281970U
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CN
China
Prior art keywords
air
air bag
flexible
fixed platform
finger
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Expired - Fee Related
Application number
CN202120604883.2U
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Chinese (zh)
Inventor
钟作锦
曹东华
邵帅
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Hefei Haohan Intelligent Technology Co ltd
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Hefei Haohan Intelligent Technology Co ltd
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Priority to CN202120604883.2U priority Critical patent/CN215281970U/en
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Publication of CN215281970U publication Critical patent/CN215281970U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a novel gasbag formula pneumatic gripper, including fixed platform and gripper body, the gripper body includes a plurality of flexible fingers that snatch that can warp crooked, fixed platform passes through the screw fastening on the master cylinder, and the master cylinder embeds the piston, and the piston connection has the lower extreme to stretch out the universal driving shaft of master cylinder outside, and the universal driving shaft lower extreme runs through fixed platform and stretches out fixed platform below, is connected with the motion platform at the end of universal driving shaft, the gripper is located fixed platform bottom, and flexible finger top of snatching is equipped with the finger fixing base, and finger fixing base outer end is rotated through bearing and finger connecting piece and is connected; the utility model discloses a gripper uses compressed air drive, is guaranteeing under the prerequisite that snatchs at a high speed, has realized opening the control that closes the angle, possesses traditional pneumatic gripper easy to maintain simultaneously, and the object of various sizes, shape and material can effectively be adapted to the advantage that the drive is simple has realized simultaneously that the nothing to soft vulnerable article hinders and snatchs fast.

Description

Novel air bag type pneumatic mechanical claw
Technical Field
The utility model relates to a production automation field specifically is a novel pneumatic gripper of gasbag formula.
Background
In modern agriculture and industrial production, various mechanical claws are used as end effectors and play a very important role in the application of grabbing and placing products. Such as palletizing, sorting, packaging, etc. The application of various industries to the mechanical gripper lightens the working strength of production line workers to a great extent, greatly improves the production efficiency and further promotes the process of modern chemical industry and agricultural production.
The multi-finger mechanical claws commonly used in the market at present are mainly divided into pneumatic and electric. The pneumatic mechanical claw has the advantages of simple structure, easy maintenance and high grabbing speed; the defects are that the opening and closing angle can not be controlled, the device can not adapt to objects with different shapes and sizes well, and the device can even damage soft and easily damaged objects. The electric mechanical claw has the advantages that the opening and closing angle can be well controlled according to the size of a gripped object, but the structure is relatively complex, the gripping speed is slow, and the electric mechanical claw is weak for high-speed application; to sum up, the utility model designs a novel pneumatic gripper of gasbag formula solves this problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel pneumatic gripper of gasbag formula to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel air bag type pneumatic mechanical gripper comprises a fixed platform and a mechanical gripper body, wherein the mechanical gripper body comprises a plurality of flexible gripping fingers which can be deformed and bent, the fixed platform is fastened on a main cylinder through screws, a piston is arranged in the main cylinder, the piston is connected with a linkage shaft, the lower end of the linkage shaft extends out of the main cylinder, the lower end of the linkage shaft penetrates through the fixed platform and extends out of the lower portion of the fixed platform, a moving platform is connected to the tail end of the linkage shaft, the mechanical gripper is located at the bottom of the fixed platform, a finger fixing seat is arranged at the top of each flexible gripping finger, the outer end of each finger fixing seat is rotatably connected with a finger connecting piece through a bearing, the inner end of each flexible gripping finger is rotatably connected with the moving platform through a bearing, the upper end of each finger connecting piece is rotatably connected with the fixed platform through a bearing, and a flexible air bag which is attached to each flexible gripping finger is further arranged on the inner side of each flexible gripping finger; and a first main cylinder air hole and a second main cylinder air hole are formed in the main cylinder, and the piston is positioned between the first main cylinder air hole and the second main cylinder air hole.
The flexible air bag is provided with a flexible air bag air inlet pipe and a flexible air bag air outlet pipe, the flexible air bag air inlet pipe and the flexible air bag air outlet pipe are both positioned in the finger fixing seat, and a plurality of through holes are formed in the fixing platform and used for installing a gas input pipeline and a gas exhaust pipeline; the flexible air bag is detachably connected with the flexible grabbing finger; the main cylinder is detachably connected with the fixed platform.
As the preferred scheme of the utility model: the motion platform bottom still is equipped with a plurality of negative pressure suction cups, and negative pressure suction cup is downwardly opening's loudspeaker form, is equipped with a plurality ofly between motion platform and fixed platform with the negative pressure suction cup one-to-one and the sealed negative pressure connecting pipe of butt joint, the sealed butt joint of negative pressure connecting pipe upper end distributes the trachea, the laminating of distribution trachea is in the fixed platform bottom surface.
As a further preferred embodiment of the present invention: the device still includes pneumatic control system, and pneumatic control system includes main control unit, main control unit connects master cylinder, gasbag air valve controller and negative pressure pneumatic valve, and a plurality of gasbag air valves are connected to gasbag air valve controller, and the gasbag air valve is the same and the one-to-one with flexible gasbag's quantity is connected, and the gasbag air valve has blast pipe and intake pipe, the distribution trachea is connected to the negative pressure pneumatic valve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a gripper uses compressed air drive, is guaranteeing under the prerequisite that snatchs at a high speed, has realized opening the control that closes the angle, possesses traditional pneumatic gripper easy to maintain simultaneously, and the object of various sizes, shape and material can effectively be adapted to the advantage that the drive is simple has realized simultaneously that the nothing to soft vulnerable article hinders and snatchs fast.
The device effectively solves the problem that objects with different sizes cannot be quickly grabbed, and particularly soft and easily damaged objects; the adaptability is strong, and the use cost and the maintenance cost are low; simple structure and easy use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a single flexible grasping finger of the present invention.
Fig. 3 is a front view of a main structure of a second embodiment of the present invention.
Fig. 4 is a schematic diagram of the pneumatic control system of the present invention.
In the figure: 1-main cylinder, 2-linkage shaft, 3-fixed platform, 4-bearing, 5-flexible grabbing finger, 6-flexible air bag, 7-moving platform, 8-finger connecting piece, 9-finger fixed seat, 10-main cylinder air hole I, 11-main cylinder air hole II, 12-distribution air pipe, 13-negative pressure connecting pipe, 14-negative pressure sucker, 15-main controller, 16-air bag air valve controller, 17-air bag air valve and 18-negative pressure air valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, a novel air bag type pneumatic mechanical gripper comprises a fixed platform 3 and a mechanical gripper body, wherein the mechanical gripper body comprises a plurality of flexible gripping fingers 5 capable of deforming and bending, the fixed platform 3 is fastened on a main cylinder 1 through screws, a piston is arranged in the main cylinder 1, the piston is connected with a linkage shaft 2, the lower end of the linkage shaft 2 extends out of the main cylinder 1, the lower end of the linkage shaft 2 penetrates through the fixed platform 3 and extends out of the lower part of the fixed platform 3, the tail end of the linkage shaft 2 is connected with a moving platform 7, the mechanical gripper is arranged at the bottom of the fixed platform 3, a finger fixing seat 9 is arranged at the top of the flexible gripping finger 5, the outer end of the finger fixing seat 9 is rotatably connected with a finger connecting piece 8 through a bearing 4, the inner end of the flexible gripping finger 5 is rotatably connected with the moving platform 7 through a bearing 4, the upper end of the finger connecting piece 8 is rotatably connected with the fixed platform 3 through the bearing 4, a flexible air bag 6 which is attached to each flexible grabbing finger 5 is arranged on the inner side of each flexible grabbing finger; a first main cylinder air hole 10 and a second main cylinder air hole 11 are formed in the main cylinder 1, and the piston is located between the first main cylinder air hole 10 and the second main cylinder air hole 11.
When the outer diameter of an object to be grabbed is large, air is supplied to the main air cylinder 1 through the main air cylinder air hole I10, the main air cylinder air hole II 11 is opened, the piston moves downwards, the linkage shaft 2 moves forwards at the moment, the moving platform 7 is pushed to be far away from the fixed platform 3, the moving platform 7 drives one end of the finger fixing seat 9 to move through the bearing 4, the other end of the finger fixing seat 9 rotates through the bearing 4 by taking one end of the finger connecting piece 8 as the center, so that the flexible grabbing finger 5 is opened, the flexible air bag 6 is supplied with air at the moment, the flexible air bag 6 is closed to exhaust air, the air supply time of the flexible air bag 6 is controlled according to the size of the grabbed object, the flexible air bag 6 is enabled to just clamp the grabbed object, and the object can be grabbed without damage.
When the outer diameter of an object to be grabbed is small, air is supplied to the main cylinder 1 through the main cylinder air hole II 11, the main cylinder air hole I10 is opened, the piston moves upwards, the linkage shaft 2 moves backwards at the moment, the moving platform 7 is pushed to be close to the fixed platform 3, the moving platform 7 drives one end of the finger fixing seat 9 to move through the bearing 4, the other end of the finger fixing seat 9 rotates by taking one end of the finger connecting piece 8 as the center through the bearing 4, so that the flexible grabbing finger 5 is closed, the flexible air bag 6 supplies air at the moment, the flexible air bag 6 is closed to exhaust air, the air supply time of the flexible air bag 6 is controlled according to the size of the grabbed object, the flexible air bag 6 is made to just clamp the grabbed object, and the object can be grabbed without damage.
Specifically, flexible gasbag 6 has flexible gasbag intake pipe and flexible gasbag blast pipe, and flexible gasbag intake pipe and flexible gasbag blast pipe all are located finger fixing base 9, have seted up a plurality of through-holes on fixed platform 3, and the through-hole is used for the installation of gas input pipeline and gas exhaust pipeline, realizes the inflation of flexible gasbag 6, reduces the control.
Meanwhile, the flexible air bag 6 is detachably connected with the flexible grabbing finger 5 in a connecting mode including but not limited to buckle connection, magic tape bonding connection and the like; the main cylinder 1 and the fixed platform 3 are detachably connected in a threaded connection mode, a buckling connection mode and the like; flexible gasbag 6, cylinder and flexible finger 5 of snatching can both carry out solitary the changing of tearing open, when single part appears damaging, can independently change, save the spending.
Example 2:
referring to fig. 3, on the basis of embodiment 1, in order to further ensure the stability of the gripping during the actual gripping, a plurality of negative pressure suction cups 14 are further arranged at the bottom of the moving platform 7, the negative pressure suction cups 14 are in a horn shape with a downward opening, a plurality of negative pressure connecting pipes 13 which are in one-to-one correspondence with the negative pressure suction cups 14 and are in sealed butt joint with each other are arranged between the moving platform 7 and the fixed platform 3, the upper ends of the negative pressure connecting pipes 13 are in sealed butt joint with the distribution air pipes 12, the distribution air pipes 12 are attached to the bottom surface of the fixed platform 3, when the gripping of the large-mass object is performed, firstly, the main cylinder 1 is used for controlling the position of the moving platform 7, whether the flexible air bag 6 is expanded or not is adjusted, the size of the gripped object is ensured to be matched with that of the article, and simultaneously, the gripped object is attached to the gripped by the negative pressure suction cups 14, and the distribution air pipes 13 and 12 are used for exhausting outwards, so that the negative pressure suction cups 14 are tightly attached to the gripped object, the cooperation mechanical claw body can be more firm carry out the work of snatching of article.
Example 3:
referring to fig. 4, on the basis of embodiment 2, the device further includes a pneumatic control system, the pneumatic control system includes a main controller 15, the main controller 15 is connected to the master cylinder 1, an airbag air valve controller 16 and a negative pressure air valve 18, the airbag air valve controller 16 is connected to a plurality of airbag air valves 17, the number of the airbag air valves 17 is the same as that of the flexible airbags 6, the airbag air valves 17 are connected in a one-to-one correspondence manner, each airbag air valve 17 has an exhaust pipe and an intake pipe, and the negative pressure air valve 18 is connected to the distribution air pipe 12.
The main controller 15 in the pneumatic control system is used for carrying out centralized control, inflation and deflation of different structures can be reasonably distributed, and due to the arrangement of the independent air bag air valves 17 and the air bag air valve controller 16, when an irregular object is grabbed, the expansion condition of each flexible air bag 6 can be independently controlled.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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 (6)

1. A novel air bag type pneumatic mechanical gripper comprises a fixed platform (3) and a mechanical gripper body, and is characterized in that the mechanical gripper body comprises a plurality of flexible gripping fingers (5) which can be deformed and bent, the fixed platform (3) is fastened on a main cylinder (1) through screws, a piston is arranged in the main cylinder (1), the piston is connected with a linkage shaft (2) with the lower end extending out of the main cylinder (1), the lower end of the linkage shaft (2) penetrates through the fixed platform (3) and extends out of the lower part of the fixed platform (3), the tail end of the linkage shaft (2) is connected with a moving platform (7), the mechanical gripper is positioned at the bottom of the fixed platform (3), a finger fixing seat (9) is arranged at the top of the flexible gripping fingers (5), the outer end of the finger fixing seat (9) is rotatably connected with a finger connecting piece (8) through a bearing (4), the inner end of the flexible gripping fingers (5) is rotatably connected with the moving platform (7) through the bearing (4), the upper end of the finger connecting piece (8) is rotatably connected with the fixed platform (3) through a bearing (4), and the inner side of each flexible grabbing finger (5) is also provided with a flexible air bag (6) which is attached to the flexible grabbing finger; a first main cylinder air hole (10) and a second main cylinder air hole (11) are formed in the main cylinder (1), and the piston is located between the first main cylinder air hole (10) and the second main cylinder air hole (11).
2. The novel air bag type pneumatic mechanical gripper is characterized in that the flexible air bag (6) is provided with a flexible air bag air inlet pipe and a flexible air bag air outlet pipe, the flexible air bag air inlet pipe and the flexible air bag air outlet pipe are both positioned in the finger fixing seat (9), and a plurality of through holes are formed in the fixing platform (3) and used for installing a gas input pipeline and a gas exhaust pipeline.
3. A novel air bag type pneumatic gripper according to claim 1 or 2, characterized in that the flexible air bag (6) and the flexible gripping fingers (5) are detachably connected.
4. A new air-bag type pneumatic gripper as claimed in claim 1 or 2, characterized in that the master cylinder (1) and the fixed platform (3) are detachably connected.
5. The novel air bag type pneumatic mechanical gripper is characterized in that a plurality of negative pressure suction cups (14) are further arranged at the bottom of the moving platform (7), the negative pressure suction cups (14) are in a horn shape with a downward opening, a plurality of negative pressure connecting pipes (13) which correspond to the negative pressure suction cups (14) in a one-to-one mode and are in sealed butt joint are arranged between the moving platform (7) and the fixed platform (3), the upper ends of the negative pressure connecting pipes (13) are in sealed butt joint with the air distribution pipes (12), and the air distribution pipes (12) are attached to the bottom surface of the fixed platform (3).
6. The novel air bag type pneumatic mechanical claw is characterized by further comprising a pneumatic control system, wherein the pneumatic control system comprises a main controller (15), the main controller (15) is connected with the main cylinder (1), an air bag air valve controller (16) and a negative pressure air valve (18), the air bag air valve controller (16) is connected with a plurality of air bag air valves (17), the number of the air bag air valves (17) and the number of the flexible air bags (6) are the same, the air bag air valves (17) are connected in a one-to-one correspondence mode, each air bag air valve (17) is provided with an exhaust pipe and an air inlet pipe, and the negative pressure air valve (18) is connected with the distribution air pipe (12).
CN202120604883.2U 2021-03-24 2021-03-24 Novel air bag type pneumatic mechanical claw Expired - Fee Related CN215281970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120604883.2U CN215281970U (en) 2021-03-24 2021-03-24 Novel air bag type pneumatic mechanical claw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120604883.2U CN215281970U (en) 2021-03-24 2021-03-24 Novel air bag type pneumatic mechanical claw

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117049192A (en) * 2023-08-31 2023-11-14 广州电缆厂有限公司 Anti-deformation stacking manipulator for wires and cables and application method of anti-deformation stacking manipulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117049192A (en) * 2023-08-31 2023-11-14 广州电缆厂有限公司 Anti-deformation stacking manipulator for wires and cables and application method of anti-deformation stacking manipulator

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Granted publication date: 20211224