CN219170939U

CN219170939U - Mechanical arm clamping jaw structure convenient to detach and install

Info

Publication number: CN219170939U
Application number: CN202223317467.8U
Authority: CN
Inventors: 韩利程
Original assignee: Lingyuan Iron and Steel Co Ltd
Current assignee: Lingyuan Iron and Steel Co Ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-06-13
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a claw structure of a mechanical arm, which is convenient to detach and install, wherein a top connecting plate is arranged in a mechanical arm main body; a hydraulic cylinder barrel is fixedly connected below the top connecting plate; the hydraulic push rod is movably connected in the hydraulic cylinder barrel; the bottom end of the hydraulic push rod is fixedly connected with an adapter plate; the adapter plate is connected with a movable block; the inner part of the movable block is inserted with a first rotating rod, and the outer wall of the first rotating rod is connected with a linkage block in a lap joint manner; the side part of the linkage block is penetrated with a second rotating rod, and the middle part of the outer wall of the second rotating rod is connected with a movable claw in a nested way; the inside of the movable claw is inserted with a third rotating rod. The hydraulic push rod and the mechanical arm main body are strong in connection stability, simple in structure and convenient to operate, the manufacturing cost is low, transmission contact is changed, and the situation of abrasion and cracking is greatly reduced.

Description

Mechanical arm clamping jaw structure convenient to detach and install

Technical Field

The utility model relates to a claw structure of a mechanical arm, which is convenient to detach and install, and belongs to the technical field of mechanical arms.

Background

At present, when the claw is applied to the mechanical arm, various workpieces are required to be clamped and grabbed continuously through the claw, so that the claw has an important position in a mechanical structure for stable clamping.

In the prior art, the clamping jaw of the mechanical arm is connected with the mechanical arm through a large number of fasteners, so that the clamping jaw is inconvenient to detach and mount with the mechanical arm, and the clamping jaw is limited to a certain extent. Meanwhile, the existing mechanical arm clamping jaw is driven by gear meshing, however, after the gear is used for a long time, abrasion and cracking are easy to occur, and the service life is poor.

Disclosure of Invention

The utility model aims to provide a claw structure of a mechanical arm, which is convenient to detach and mount, and solves the problems that the claw structure is inconvenient to detach and mount, and abrasion and cracking are easy to occur in gear transmission in the prior art.

The technical scheme for solving the technical problems is as follows: the mechanical arm claw structure comprises a mechanical arm main body, wherein a top connecting plate is arranged in the mechanical arm main body; a hydraulic cylinder barrel is fixedly connected below the top connecting plate; the hydraulic push rod is movably connected inside the hydraulic cylinder barrel; the bottom end of the hydraulic push rod is fixedly connected with an adapter plate; the adapter plate is connected with a movable block; a first rotating rod is inserted in the movable block, and the outer wall of the first rotating rod is connected with a linkage block in a lap joint manner; the side part of the linkage block is penetrated with a second rotating rod, and the middle part of the outer wall of the second rotating rod is connected with a movable claw in a nested way; the inside of movable jack catch is interluded and is had the third bull stick.

As the mechanical arm claw structure optimal scheme of easy dismounting and mounting, the inside through connection of top yoke plate has the mounting bolt, top yoke plate passes through the mounting bolt connects the mechanical arm main part.

As a preferable scheme of the mechanical arm claw structure convenient to detach and install, an installation groove is formed above the movable block, the adapter plate is positioned in the installation groove, and the movable block is assembled with the adapter plate through a connecting bolt;

the two sides of the movable block are provided with through embedded groove bodies, and the first rotating rod is inserted into the embedded groove bodies.

As a preferable scheme of the mechanical arm clamping jaw structure convenient to detach and install, the inner wall of the movable clamping jaw is attached with an inner side pad;

the linkage block, the second rotating rod, the movable claw, the third rotating rod and the inner side pad are respectively provided with two groups, and the two groups of the linkage block, the second rotating rod, the movable claw, the third rotating rod and the inner side pad are symmetrically distributed on two sides of the movable block.

As the mechanical arm claw structure optimal scheme convenient to detach and install, the outer wall lower extreme of hydraulic cylinder is connected with the end and allies oneself with the piece, end allies oneself with the piece with fixed connection between the mechanical arm main part.

As the mechanical arm claw structure optimization scheme convenient to detach and install, the third rotating rod is connected with the bottom of the mechanical arm main body.

The inside of the mechanical arm main body is provided with a top connecting plate; a hydraulic cylinder barrel is fixedly connected below the top connecting plate; the hydraulic push rod is movably connected in the hydraulic cylinder barrel; the bottom end of the hydraulic push rod is fixedly connected with an adapter plate; the adapter plate is connected with a movable block; the inner part of the movable block is inserted with a first rotating rod, and the outer wall of the first rotating rod is connected with a linkage block in a lap joint manner; the side part of the linkage block is penetrated with a second rotating rod, and the middle part of the outer wall of the second rotating rod is connected with a movable claw in a nested way; the inside of the movable claw is inserted with a third rotating rod. The hydraulic push rod and the mechanical arm main body are strong in connection stability, simple in structure and convenient to operate, the manufacturing cost is low, transmission contact is changed, and the situation of abrasion and cracking is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model.

Fig. 1 is a schematic cross-sectional view of a claw structure of a mechanical arm for facilitating disassembly and assembly according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a movable block in a jaw structure of a mechanical arm, which is convenient to disassemble and install in an embodiment of the utility model;

fig. 3 is a schematic perspective view of a linkage block in a claw structure of a mechanical arm, which is convenient to detach and install in an embodiment of the utility model.

In the figure, 1, a mechanical arm main body; 2. a top yoke plate; 3. a hydraulic cylinder; 4. a hydraulic push rod; 5. an adapter plate; 6. a movable block; 7. a first rotating lever; 8. a linkage block; 9. a second rotating rod; 10. a movable claw; 11. a third rotating rod; 12. a mounting groove; 13. an inner pad; 14. a bottom connecting block; 15. is embedded into the groove body.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1, 2 and 3, an embodiment of the present utility model provides a mechanical arm claw structure which is convenient to detach and install, and the mechanical arm claw structure comprises a mechanical arm main body 1, wherein a top connecting plate 2 is arranged inside the mechanical arm main body 1; a hydraulic cylinder barrel 3 is fixedly connected below the top connecting plate 2; a hydraulic push rod 4 is movably connected inside the hydraulic cylinder barrel 3; the bottom end of the hydraulic push rod 4 is fixedly connected with an adapter plate 5; the adapter plate 5 is connected with a movable block 6; a first rotating rod 7 is inserted in the movable block 6, and a linkage block 8 is connected with the outer wall of the first rotating rod 7 in a lap joint manner; the side part of the linkage block 8 is penetrated with a second rotating rod 9, and the middle part of the outer wall of the second rotating rod 9 is connected with a movable claw 10 in a nested manner; the movable claw 10 is internally inserted with a third rotating rod 11.

In this embodiment, a mounting bolt is connected through the top connecting plate 2, and the top connecting plate 2 is connected with the mechanical arm main body 1 through the mounting bolt.

Specifically, the upper portion of the arm body 1 has a space for installing the driving mechanism, the upper end of the hydraulic cylinder 3 and the top yoke plate 2 are welded into a whole, and then the top yoke plate 2 is fixed to the arm body 1 through the installation bolts, thereby realizing the top fixing function of the hydraulic cylinder 3.

In this embodiment, a bottom connecting block 14 is connected to the lower end of the outer wall of the hydraulic cylinder 3, and the bottom connecting block 14 is fixedly connected to the mechanical arm main body 1.

Specifically, the lower extreme of hydraulic cylinder 3 adopts bolt and arm main part 1 to fix through end allies oneself with piece 14 to realize the fixed effect of hydraulic cylinder 3 lower extreme, in hydraulic cylinder 3 working process, stability is strong, and the upper and lower end of hydraulic cylinder 3 all adopts the bolt form fixed, convenient dismantlement and installation.

In this embodiment, a mounting groove 12 is provided above the movable block 6, the adapter plate 5 is located inside the mounting groove 12, and the movable block 6 is assembled with the adapter plate 5 through a connecting bolt; the two sides of the movable block 6 are provided with through embedded groove bodies 15, and the first rotating rod 7 is inserted into the embedded groove bodies 15. The third rotating rod 11 is connected with the bottom of the mechanical arm main body 1.

Specifically, the design of the mounting groove 12 increases the stability of the connection position of the adapter plate 5 and the movable block 6, and meanwhile, the four corners of the adapter plate 5 are fixed by adopting connecting bolts, so that the adapter plate 5 and the movable block 6 can be conveniently mounted and dismounted.

The embedded groove body 15 is designed to realize the installation limiting effect of the first rotating rod 7, when the hydraulic cylinder barrel 3 drives the adapter plate 5 through the hydraulic push rod 4, linkage of the adapter plate 5 and the movable block 6 can be realized, the movable block 6 moves to drive the linkage block 8 to move through the first rotating rod 7, the linkage block 8 moves to drive the movable claw 10 to move through the second rotating rod 9, the movable claw 10 opens or closes by taking the third rotating rod 11 as an axis in the moving process, and the opening or closing movement is derived from extension or contraction of the hydraulic push rod 4.

In this embodiment, an inner pad 13 is attached to the inner wall of the movable claw 10; the linkage block 8, the second rotating rod 9, the movable claw 10, the third rotating rod 11 and the inner side pad 13 are respectively provided with two groups, and the two groups of the linkage block 8, the second rotating rod 9, the movable claw 10, the third rotating rod 11 and the inner side pad 13 are symmetrically distributed on two sides of the movable block 6.

Specifically, the inner pad 13 plays a role in protecting the movable claw 10 and the clamping object, and the linkage block 8, the second rotating rod 9, the movable claw 10, the third rotating rod 11 and the inner pad 13 are symmetrically designed in a linkage mode, so that the clamping action is realized.

In summary, the mechanical arm main body 1 of the present utility model is provided with the top connecting plate 2; a hydraulic cylinder barrel 3 is fixedly connected below the top connecting plate 2; a hydraulic push rod 4 is movably connected in the hydraulic cylinder barrel 3; the bottom end of the hydraulic push rod 4 is fixedly connected with an adapter plate 5; the adapter plate 5 is connected with a movable block 6; a first rotating rod 7 is inserted in the movable block 6, and a connecting block 8 is connected with the outer wall of the first rotating rod 7 in a lap joint manner; the side part of the linkage block 8 is penetrated with a second rotating rod 9, and the middle part of the outer wall of the second rotating rod 9 is connected with a movable claw 10 in a nested way; the movable claw 10 is inserted with a third rotating rod 11. The upper portion of arm main part 1 has the space of installation actuating mechanism, and the upper end and the top yoke plate 2 welding of hydraulic cylinder 3 are as an organic whole, then are fixed in arm main part 1 with top yoke plate 2 through the mounting bolt to realize the top fixed action of hydraulic cylinder 3. The lower extreme of hydraulic cylinder 3 adopts bolt and arm main part 1 fixed through end allies oneself with piece 14 to realize the fixed effect of hydraulic cylinder 3 lower extreme, in the hydraulic cylinder 3 course of working, stability is strong, and the upper and lower end of hydraulic cylinder 3 all adopts the bolt form fixed, convenient dismantlement and installation. The design of the mounting groove 12 increases the stability of the connection position of the adapter plate 5 and the movable block 6, and meanwhile, the four corners of the adapter plate 5 are fixed by adopting connecting bolts, so that the adapter plate 5 and the movable block 6 can be conveniently mounted and dismounted. The design of the embedded groove body 15 realizes the installation limiting effect of the first rotating rod 7, when the hydraulic cylinder barrel 3 drives the adapter plate 5 through the hydraulic push rod 4, the linkage of the adapter plate 5 and the movable block 6 can be realized, the movement of the movable block 6 drives the movement of the linkage block 8 through the first rotating rod 7, the movement of the linkage block 8 drives the movement of the movable claw 10 through the second rotating rod 9, the movable claw 10 is opened or closed by taking the third rotating rod 11 as the axis in the movement process, and the opening or closing movement is caused by the extension or contraction of the hydraulic push rod 4. The hydraulic push rod 4 and the mechanical arm main body 1 are strong in connection stability, simple in structure, convenient to operate, low in manufacturing cost, and capable of changing transmission contact, so that abrasion and cracking conditions are greatly reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The mechanical arm claw structure is characterized by comprising a mechanical arm main body (1), wherein a top connecting plate (2) is arranged in the mechanical arm main body (1); a hydraulic cylinder barrel (3) is fixedly connected below the top connecting plate (2); a hydraulic push rod (4) is movably connected in the hydraulic cylinder barrel (3); the bottom end of the hydraulic push rod (4) is fixedly connected with an adapter plate (5); the adapter plate (5) is connected with a movable block (6); a first rotating rod (7) is inserted into the movable block (6), and a linkage block (8) is connected with the outer wall of the first rotating rod (7) in a lap joint manner; the side part of the linkage block (8) is penetrated with a second rotating rod (9), and the middle part of the outer wall of the second rotating rod (9) is connected with a movable claw (10) in a nested way; the movable claw (10) is internally inserted with a third rotating rod (11).

2. The mechanical arm claw structure convenient to detach and install according to claim 1 is characterized in that a mounting bolt is connected in a penetrating manner in the top connecting plate (2), and the top connecting plate (2) is connected with the mechanical arm main body (1) through the mounting bolt.

3. The mechanical arm claw structure convenient to detach and install according to claim 1 is characterized in that an installation groove (12) is formed above the movable block (6), the adapter plate (5) is positioned in the installation groove (12), and the movable block (6) is assembled with the adapter plate (5) through a connecting bolt;

the two sides of the movable block (6) are provided with through embedded groove bodies (15), and the first rotating rod (7) is inserted into the embedded groove bodies (15).

4. The mechanical arm clamping jaw structure convenient to detach and install according to claim 1 is characterized in that an inner side pad (13) is attached to the inner wall of the movable clamping jaw (10);

the linkage block (8), the second rotating rod (9), the movable claw (10), the third rotating rod (11) and the inner side pad (13) are respectively provided with two groups, two groups of the linkage block (8), the second rotating rod (9), the movable claw (10), the third rotating rod (11) and the inner side pad (13) are symmetrically distributed on two sides of the movable block (6).

5. The mechanical arm clamping jaw structure convenient to detach and install according to claim 1 is characterized in that a bottom connecting block (14) is connected to the lower end of the outer wall of the hydraulic cylinder barrel (3), and the bottom connecting block (14) is fixedly connected with the mechanical arm main body (1).

6. The mechanical arm claw structure convenient to detach and install according to claim 1 is characterized in that the third rotating rod (11) is connected with the bottom of the mechanical arm main body (1).