CN218659149U

CN218659149U - Clamping mechanism for mechanical arm

Info

Publication number: CN218659149U
Application number: CN202223257672.XU
Authority: CN
Inventors: 倪超; 肖宇; 慧义冉; 赵欢
Original assignee: Jiangsu Boyu Automation Equipment Co ltd
Current assignee: Jiangsu Boyu Automation Equipment Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-21
Anticipated expiration: 2032-12-06

Abstract

The utility model provides a fixture for arm relates to the arm field, including the installation shell, the inboard of installation shell is equipped with the motor, the output shaft of motor is equipped with and runs through the actuating lever of installation shell, the one end of actuating lever and the inboard that is located the installation shell are equipped with the drive block, the both sides of drive block all are equipped with the connecting plate, two the one end of connecting plate all is equipped with the clamp finger, the both sides middle part of clamp finger all be equipped with the dwang that the installation shell is connected, the utility model discloses a control motor's rotational speed makes the motor drive the rotatory number of turns of actuating lever and can adjust, makes the distance that the drive block reciprocated control, and drive block position control simultaneously makes the drive block drive the position control that the clamp finger respectively through the both sides connecting plate, makes the accurate regulation of interval of two clamp fingers, presss from both sides article and gets, avoids pressing from both sides finger position control and need adjust a plurality of controlgear or sensor, makes fixture simple structure, and it is convenient to adjust.

Description

Clamping mechanism for mechanical arm

Technical Field

The utility model relates to an arm field especially relates to a fixture for arm.

Background

The clamping mechanism is one of the most important components of the mechanical arm, the mechanical arm can only grab and move the object through the clamping mechanism, as shown in fig. 1, a clamping finger of the clamping mechanism is controlled to move in parallel by using an air cylinder, and a mode of conveying the object for the mechanical arm is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the following problems existing in the prior art:

for solving the problem that prior art exists, the utility model provides a fixture for arm, including the installation shell, the inboard of installation shell is equipped with the motor, the output shaft of motor is equipped with and runs through the actuating lever of installation shell, the one end of actuating lever and the inboard that is located the installation shell are equipped with the drive block, the both sides of drive block all are equipped with the connecting plate, two the one end of connecting plate all is equipped with presss from both sides and indicates, the both sides middle part that presss from both sides to indicate all be equipped with the dwang that the installation shell is connected.

Preferably, the inboard of installation shell is equipped with a plurality of cavitys, the inboard middle part of a cavity of installation shell all is equipped with two spouts with the top, and its two spouts are located the both sides of actuating lever respectively, and according to the central symmetric distribution of actuating lever, this structure is used for making the clamp to indicate when removing, and dwang and movable block move in the spout inboard of installation shell, avoid pressing from both sides the position of indicating and appear the deviation, prevent simultaneously that two clamp from indicating the interval with the actuating lever is not unified.

Preferably, the spout of installation shell all is the slope form, and its spout inclination is one degree to ten degrees, and this structure is used for avoiding two to press from both sides when pointing to remove in opposite directions, and the jam phenomenon appears in the spout of dwang and installation shell.

Preferably, both sides of the top end of each clamping finger are provided with moving blocks, each moving block is square, one end of each moving block is located on the inner side of the corresponding sliding groove of the corresponding mounting shell, the size of each moving block is matched with the corresponding sliding groove of the corresponding mounting shell, and the structure is used for preventing the clamping fingers from rotating when clamping articles.

Preferably, the outside of actuating lever is equipped with the screw thread, the middle part of drive block is equipped with the screw hole, the one end of actuating lever is pegged graft at the screw hole of drive block inboard, the screw hole and the actuating lever adaptation of drive block, this structure are used for making the rotatory drive block of actuating lever remove, make the clamp indicate to press from both sides to get and relax.

Preferably, the side of the bottom end of each clamping finger is provided with a connecting block, and the structure is used for improving the clamping friction force of the clamping fingers.

Preferably, a plurality of clamping grooves are formed in the side face of the bottom end of each clamping finger, clamping blocks are arranged on the side face of each connecting block and located on the inner side of the clamping grooves of the clamping fingers, the clamping blocks of the connecting blocks are matched with the clamping grooves of the clamping fingers, and the structure is used for enabling the connecting blocks to be replaceable and clamping articles in different shapes.

Preferably, the other side of the connecting block is provided with a groove, the shape of the groove is rectangular, and the structure is used for increasing the clamping force of the connecting block.

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

the utility model discloses a control motor's rotational speed makes the motor drive the rotatory number of turns of actuating lever and can adjust, makes the distance that the drive block reciprocated control, and drive block position control makes the drive block drive the position control that the clamp indicates respectively through the both sides connecting plate simultaneously, makes two accurate regulations of the interval that press from both sides the finger, presss from both sides article clamp and gets, avoids pressing from both sides to indicate position control and need adjust a plurality of controlgear or sensor, makes fixture simple structure, and it is convenient to adjust.

Drawings

FIG. 1 is a schematic view of a conventional clamping structure;

FIG. 2 is a schematic view of the external structure of the present invention;

FIG. 3 is a schematic sectional view of the overall structure of the present invention;

fig. 4 is a schematic sectional view of the structure of the mounting shell of the present invention;

fig. 5 is an enlarged schematic view of the motor of the present invention;

reference numerals: 1. mounting a shell; 2. clamping fingers; 3. connecting blocks; 4. a motor; 5. a drive rod; 6. rotating the rod; 7. a connecting plate; 8. a moving block; 9. and driving the block.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 2 to 5, the gripping mechanism for a robot arm is assembled by:

assembly description: firstly, a rotating rod 6 and a moving block 8 are respectively arranged at the middle part and the top end of two sides of a clamping finger 2, then two ends of a driving block 9 are respectively hinged with a connecting plate 7, one end of each connecting plate 7 is respectively hinged with the clamping finger 2, then a driving rod 5 is connected with an output shaft of a motor 4, the driving rod 5 is inserted in the middle of the driving block 9, then the moving block 8 and the rotating rod 6 are respectively arranged at the inner sides of chutes of an installation shell 1, the motor 4 is arranged at the inner side of the installation shell 1, the two half installation shells 1 are connected into a whole, and then a connecting block 3 is slidably arranged at the bottom end of the clamping finger 2.

Description of the working principle: when the device is used, the motor 4 is started, the output shaft of the motor 4 drives the driving rod 5 to rotate in the forward direction, the driving block 9 moves downwards and simultaneously drives the two clamping fingers 2 to move towards two sides through the connecting plate 7, the rotating rod 6 slides on the inner side of the sliding groove of the mounting shell 1, the moving block 8 moves on the inner side of the sliding groove of the mounting shell 1, the clamping fingers 2 keep a vertical state when moving, the rotating turns of the motor 4 are adjusted through a preset program, the output shaft of the motor 4 drives the driving rod 5 to rotate in the reverse direction for a preset turn, the driving block 9 moves upwards to a preset position, the driving block 9 moves upwards to drive the clamping fingers 2 on two sides to move towards the center, the connecting block 3 contacts with articles, and the articles are clamped.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A fixture for arm, including installation shell (1), its characterized in that: the inboard of installation shell (1) is equipped with motor (4), the output shaft of motor (4) is equipped with and runs through installation shell's (1) actuating lever (5), the one end of actuating lever (5) and the inboard that is located installation shell (1) are equipped with drive block (9), the both sides of drive block (9) all are equipped with connecting plate (7), two the one end of connecting plate (7) all is equipped with to press from both sides and indicates (2), press from both sides the both sides middle part that indicates (2) all be equipped with dwang (6) that installation shell (1) is connected.

2. A gripping mechanism for a robotic arm as claimed in claim 1, wherein: the inboard of installation shell (1) is equipped with a plurality of cavitys, the inboard middle part of a cavity of installation shell (1) all is equipped with two spouts with the top, and its two spouts are located the both sides of actuating lever (5) respectively, and according to the central symmetry distribution of actuating lever (5).

3. The gripper mechanism for a robotic arm of claim 1, wherein: the sliding grooves of the mounting shell (1) are all inclined, and the inclination angle of the sliding grooves is one degree to ten degrees.

4. The gripper mechanism for a robotic arm of claim 1, wherein: the clamping device is characterized in that moving blocks (8) are arranged on two sides of the top end of each clamping finger (2), each moving block (8) is square, one end of each moving block (8) is located on the inner side of a sliding groove of the corresponding mounting shell (1), and the size of each moving block (8) is matched with the sliding groove of the corresponding mounting shell (1).

5. The gripper mechanism for a robotic arm of claim 1, wherein: the outer side of the driving rod (5) is provided with threads, the middle of the driving block (9) is provided with a threaded hole, one end of the driving rod (5) is inserted into the threaded hole of the driving block (9), and the threaded hole of the driving block (9) is matched with the driving rod (5).

6. A gripping mechanism for a robotic arm as claimed in claim 1, wherein: the side surface of the bottom end of the clamping finger (2) is provided with a connecting block (3).

7. The gripping mechanism for a robot arm according to claim 6, characterized in that: the clamping device is characterized in that a plurality of clamping grooves are formed in the side face of the bottom end of each clamping finger (2), clamping blocks are arranged on the side face of each connecting block (3), the clamping blocks of the connecting blocks (3) are located on the inner sides of the clamping grooves of the clamping fingers (2), and the clamping blocks of the connecting blocks (3) are matched with the clamping grooves of the clamping fingers (2).

8. The gripper mechanism for a robotic arm of claim 7, wherein: the other side of the connecting block (3) is provided with a groove, and the shape of the groove is rectangular.