CN216000556U

CN216000556U - Clamping device of mechanical arm

Info

Publication number: CN216000556U
Application number: CN202121374047.6U
Authority: CN
Inventors: 李超
Original assignee: Shenyang Polytechnic College
Current assignee: Shenyang Polytechnic College
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-03-11
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a clamping device of a mechanical arm in the technical field of the clamping device, a rotating column can rotate in a fixed ring under the action of external force, the outer side wall of the fixed ring is fixedly connected with a fixed jaw arm, the exposed part of the rotating column is fixedly connected with a rotating jaw arm matched with the fixed jaw arm for use, the tail ends of the fixed jaw arm and the rotating jaw arm are both fixedly connected with a clamping jaw, the rotating jaw arm is connected with one end of a push rod component, the other end of the push rod component penetrates out of a device shell to be connected with the output end of an electric telescopic rod, the push rod component is driven to push down the rotating jaw arm through the work of the electric telescopic rod, so that clamping force is provided between the two clamping jaws, the upper end surface of the device shell is detachably connected with an auxiliary shell, when the device is matched with the mechanical arm for use, the device is connected with the mechanical arm through a bolt, when the device is required to be used manually, the whole device can be detached, the auxiliary shell is removed, the hand hole is held, the workpiece can be clamped by pressing the push rod component, and the practicability is good.

Description

Clamping device of mechanical arm

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a clamping device of a mechanical arm.

Background

The manipulator mainly comprises an actuating mechanism, a driving mechanism and a control system. The hand is a member for gripping a workpiece, and has various configurations such as a grip type, a holding type, and an adsorption type according to the shape, size, weight, material, and working requirements of the gripped object. The motion mechanism enables the hand to complete various rotation (swing), movement or compound motions to realize specified actions and change the position and the posture of a gripped object. The control system completes specific actions by controlling the motor of each degree of freedom of the manipulator, and simultaneously receives information fed back by the sensor to form stable closed-loop control. The clamping device of the existing mechanical arm is single in use working condition and only can be connected to a mechanical arm for use, and when the mechanical arm is stopped, the clamping device on the mechanical arm is stopped synchronously and cannot be used, so that the practicability is poor, and the clamping device of the mechanical arm is provided for this purpose.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a clamping device for a robot arm, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamping device of a mechanical arm comprises a device shell, wherein a hand hole is formed in the upper portion of the device shell, the hand hole is convenient to hold, the lower end of the device shell is of an open structure, a fixing seat is arranged in a cavity of the device shell, a fixing ring is fixedly connected to the fixing seat, a notch is formed in the fixing ring, a rotating column is rotatably connected to the inside of the fixing ring, the rotating column is exposed out of the notch of the fixing ring, the rotating column can rotate in the fixing ring under the action of external force, a fixing clamping claw arm is fixedly connected to the outer side wall of the fixing ring, the exposed part of the rotating column is fixedly connected with a rotating clamping claw arm matched with the fixing clamping claw arm, clamping claws are fixedly connected to the tail ends of the fixing clamping claw arm and the rotating clamping claw arm, and one end of a push rod assembly is connected to the rotating clamping claw arm, the other end of push rod subassembly is worn out the device shell is connected with electric telescopic handle's output, through electric telescopic handle work drives push rod subassembly push down rotate the gripper arm, make two from this the clamp force has between the clamping jaw, the up end of device shell can be dismantled and be connected with vice shell, electric telescopic handle's stiff end with roof fixed connection in the vice shell, when this device cooperation robotic arm used, be connected with robotic arm through the bolt, when needs manual use, removable unloading device is whole, removes vice shell holds the hand hole is pressed down push rod subassembly can realize the work piece centre gripping, and the practicality is good.

Preferably, the push rod subassembly includes the push rod, the one end of push rod with it rotates the clamping jaw arm and rotates the connection, the other end of push rod is worn out device shell fixedly connected with presses the handle, press the handle with set up reset spring between the device shell, press the handle with electric telescopic handle's output fixed connection pushes down press the handle, drive the push rod moves down, promotes rotate clamping jaw arm slightly downturning, makes two from this have the clamp force between the clamping jaw, remove external force, reset spring resets the push rod reaches it resets to rotate clamping jaw arm.

Preferably, the fixing base includes the fixed plate, the both ends of fixed plate respectively fixed connection in on the inside wall of device shell symmetry, fixedly connected with connecting block on the outside wall of fixed plate, gu fixed ring fixed connection in on the connecting block, the fixed plate reaches the connecting block is used for with gu fixed ring is fixed in the device shell.

Preferably, anti-skidding lines are uniformly arranged on the two opposite side walls of the clamping jaw, and the friction force between the clamping jaw and the workpiece is further increased by the arrangement of the anti-skidding lines, so that the workpiece is prevented from falling.

Preferably, the auxiliary shell is clamped with the upper end face of the device shell, and the auxiliary shell is convenient to disassemble, so that the device can be integrally matched with a mechanical arm for use and can also be manually used.

Compared with the prior art, the utility model has the beneficial effects that: the upper part of the device shell is provided with a hand hole, the hand hole is convenient to hold by hand, the lower end of the device shell is of an open structure, a fixed seat is arranged in a cavity of the device shell, a fixed ring is fixedly connected onto the fixed seat, a notch is arranged on the fixed ring, a rotating column is rotatably connected inside the fixed ring, the part of the rotating column, which is positioned at the notch of the fixed ring, can rotate in the fixed ring under the action of external force, a fixed clamping claw arm is fixedly connected onto the outer side wall of the fixed ring, the exposed part of the rotating column is fixedly connected with a rotating clamping claw arm which is matched with the fixed clamping claw arm, clamping claws are fixedly connected onto the tail ends of the fixed clamping claw arm and the rotating clamping claw arm, one end of a push rod assembly is connected onto the rotating clamping claw arm, the other end of the push rod assembly penetrates out of the device shell to be connected with the output end of an electric telescopic rod, and the push rod assembly is driven to rotate the clamping claw arm by the electric telescopic rod, make to have the clamp force between two clamping jaws from this, the up end of device shell can be dismantled and be connected with vice shell, roof fixed connection in electric telescopic handle's stiff end and the vice shell, and when this device cooperation robotic arm used, be connected with robotic arm through the bolt, when needs manual use, detachable take off the device wholly, remove vice shell, hold the hand hole, press down the push rod subassembly and can realize the work piece centre gripping, the practicality is good.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a top cross-sectional view of the main body structure of the present invention;

fig. 3 is a schematic view of the construction of the closure cap portion of the present invention.

In the figure: 1-device shell, 2-hand hole, 3-fixed seat, 301-fixed plate, 302-connecting block, 4-fixed ring, 5-rotating column, 6-fixed clamping jaw arm, 7-rotating clamping jaw arm, 8-clamping jaw, 9-push rod component, 901-push rod, 902-pressing handle, 903-reset spring, 10-electric telescopic rod and 11-auxiliary shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The description of the directions (up, down, left, right, front, and rear) is made with reference to the structure shown in fig. 1 of the drawings attached to the specification, but the practical use direction of the present invention is not limited thereto.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a clamping device of a mechanical arm comprises a device shell 1, wherein a hand hole 2 is formed in the upper portion of the device shell 1, the hand hole 2 is convenient to hold by hand, the lower end of the device shell 1 is of an open structure, a fixing seat 3 is arranged in a cavity of the device shell 1, a fixing ring 4 is fixedly connected onto the fixing seat 3, a notch is formed in the fixing ring 4, a rotating column 5 is rotatably connected into the fixing ring 4, the rotating column 5 is exposed out of the notch of the fixing ring 4, the rotating column 5 can rotate in the fixing ring 4 under the action of external force, a fixing clamping jaw arm 6 is fixedly connected onto the outer side wall of the fixing ring 4, the exposed part of the rotating column 5 is fixedly connected with a rotating clamping jaw arm 7 matched with the fixing clamping jaw arm 6, and clamping jaws 8 are fixedly connected onto the tail ends of the fixing clamping jaw arm 6 and the rotating clamping jaw arm 7, rotate the one end of connecting push rod subassembly 9 on the gripper arm 7, wear out push rod subassembly 9's the other end device shell 1 is connected with electric telescopic handle 10's output, through electric telescopic handle 10 work drives push rod subassembly 9 pushes down rotate gripper arm 7, make two from this the clamp force has between the clamping jaw 8, device shell 1's up end can be dismantled and be connected with vice shell 11, electric telescopic handle 10's stiff end with roof fixed connection in vice shell 11, when this device cooperation robotic arm used, be connected with robotic arm through the bolt, when needs manual use, detachable take off the device wholly, remove vice shell 11 holds hand hole 2 is pressed down push rod subassembly 9 can realize the work piece centre gripping, and the practicality is good.

Specifically, the push rod assembly 9 includes a push rod 901, one end of the push rod 901 is rotatably connected to the rotating gripper arm 7, the other end of the push rod 901 penetrates through the device housing 1 and is fixedly connected to a pressing handle 902, a return spring 903 is disposed between the pressing handle 902 and the device housing 1, the pressing handle 902 is fixedly connected to the output end of the electric telescopic rod 10, the pressing handle 902 is pressed down to drive the push rod 901 to move down, the rotating gripper arm 7 is pushed to slightly rotate downwards, so that a clamping force is provided between the two grippers 8, an external force is removed, and the return spring 903 resets the push rod 901 and the rotating gripper arm 7.

Specifically, the fixing base 3 includes a fixing plate 301, two ends of the fixing plate 301 are respectively and fixedly connected to the symmetrical inner side walls of the device shell 1, a connecting block 302 is fixedly connected to the outer side wall of the fixing plate 301, the fixing ring 4 is fixedly connected to the connecting block 302, and the fixing plate 301 and the connecting block 302 are used for fixing the fixing ring 4 in the device shell 1.

Particularly, two evenly be provided with anti-skidding line on the relative lateral wall of clamping jaw 8, the setting of anti-skidding line further increases the frictional force between clamping jaw 8 and the work piece prevents that the work piece from dropping.

Specifically, the auxiliary housing 11 is clamped with the upper end face of the device housing 1, and the auxiliary housing 11 is convenient to disassemble, so that the whole device can be matched with a mechanical arm for use and can also be used manually.

The working principle is as follows: the upper part of a device shell 1 is provided with a hand hole 2, the hand hole 2 is convenient to hold by hand, the lower end of the device shell 1 is of an open structure, a fixed seat 3 is arranged in a cavity of the device shell 1, a fixed ring 4 is fixedly connected to the fixed seat 3, a notch is arranged on the fixed ring 4, a rotating column 5 is rotatably connected to the inner part of the fixed ring 4, the part of the rotating column 5, which is positioned at the notch of the fixed ring 4, is exposed, the rotating column 5 can rotate in the fixed ring 4 under the action of external force, the outer side wall of the fixed ring 4 is fixedly connected with a fixed jaw arm 6, the exposed part of the rotating column 5 is fixedly connected with a rotating jaw arm 7 which is matched with the fixed jaw arm 6, the tail ends of the fixed jaw arm 6 and the rotating jaw arm 7 are fixedly connected with a clamping jaw 8, the pushing rod is connected with one end of a pushing rod assembly 9 on the rotating jaw arm 7, the other end of the pushing rod assembly 9 penetrates through the device shell 1 to be connected with the output end of an electric telescopic rod 10, work through electric telescopic handle 10, drive push rod subassembly 9 push down and rotate clamping jaw arm 7, make the clamp force between two clamping jaws 8 from this, device shell 1's up end can be dismantled and be connected with vice shell 11, electric telescopic handle 10's stiff end and 11 interior roof fixed connection of vice shell, when this device cooperation robotic arm used, be connected with robotic arm through the bolt, when needs manual use, the detachable device that unloads is whole, remove vice shell 11, hold hand hole 2, press push rod subassembly 9 down and can realize the work piece centre gripping, good practicality.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A clamping device of a mechanical arm is characterized in that: comprises a device shell (1), the upper part of the device shell (1) is provided with a hand hole (2), the lower end of the device shell (1) is of an open structure, a fixed seat (3) is arranged in a cavity of the device shell (1), a fixed ring (4) is fixedly connected to the fixed seat (3), a notch is arranged on the fixed ring (4), a rotating column (5) is rotatably connected to the inner part of the fixed ring (4), the rotating column (5) is exposed out of the notch of the fixed ring (4), a fixed clamping jaw arm (6) is fixedly connected to the outer side wall of the fixed ring (4), the exposed part of the rotating column (5) is fixedly connected with a rotating clamping jaw arm (7) which is matched with the fixed clamping jaw arm (6), the fixed clamping jaw arm (6) and the tail end of the rotating clamping jaw arm (7) are both fixedly connected with clamping jaws (8), rotate the one end of connecting push rod subassembly (9) on gripper arm (7), the other end of push rod subassembly (9) is worn out device shell (1) is connected with electric telescopic handle's (10) output, the up end of device shell (1) can be dismantled and be connected with vice shell (11), the stiff end of electric telescopic handle (10) with roof fixed connection in vice shell (11).

2. The clamping device for a robot arm as claimed in claim 1, wherein: the push rod assembly (9) comprises a push rod (901), one end of the push rod (901) is rotatably connected with the rotary clamping claw arm (7), the other end of the push rod (901) penetrates through the device shell (1) to be fixedly connected with a pressing handle (902), a reset spring (903) is arranged between the pressing handle (902) and the device shell (1), and the pressing handle (902) is fixedly connected with the output end of the electric telescopic rod (10).

3. The clamping device for a robot arm as claimed in claim 2, wherein: fixing base (3) are including fixed plate (301), the both ends of fixed plate (301) respectively fixed connection in on the inside wall of device shell (1) symmetry, fixedly connected with connecting block (302) on the lateral wall of fixed plate (301), solid fixed ring (4) fixed connection in on connecting block (302).

4. A clamping device for a robot arm, as claimed in any one of claims 1 to 3, wherein: anti-skid lines are uniformly arranged on the opposite side walls of the two clamping jaws (8).

5. The clamping device for a robot arm as claimed in claim 4, wherein: the auxiliary shell (11) is clamped with the upper end face of the device shell (1).