CN210081777U

CN210081777U - Pneumatic mechanical gripper

Info

Publication number: CN210081777U
Application number: CN201920924675.3U
Authority: CN
Inventors: 王晨辰
Original assignee: Zhejiang Best Automation Technology Co Ltd
Current assignee: Zhejiang Jinmaite Intelligent Equipment Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-02-18
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to the technical field of automobile manufacturing, in particular to a pneumatic mechanical gripper; it comprises a bracket; the driving mechanism is arranged on one side of the bracket along the length direction of the bracket; the clamping mechanism comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly is arranged in the middle of the other side of the bracket relative to the driving mechanism; the second clamping assembly comprises a second base which is rotatably arranged at the lower part of the driving mechanism, and the first clamping assembly and the second clamping assembly are combined to form a clamping area; the utility model discloses a fixed first centre gripping subassembly that sets up on the support and the cooperation of rotating between the second centre gripping subassembly that sets up on actuating mechanism carry out the ascending snatching of vertical side to the door, turn into the swing power of second centre gripping subassembly with the straight line piston motion of cylinder, have realized clenching to the vertical ascending side of door.

Description

Pneumatic mechanical gripper

Technical Field

The utility model relates to an automobile manufacturing technical field specifically is a pneumatic machinery tongs.

Background

With the continuous development of modern economy and the continuous improvement of the automation degree of industrial machinery, industrial robots equipped with specific grippers are widely popularized and widely applied to flow production lines, for example: to perform the operations of sorting, carrying and the like. However, there are a number of problems with the mechanical grippers currently used in the industry, such as: the product has the problems of complex structure, inaccurate positioning, high manufacturing cost, high power consumption, poor reliability, high noise, easy falling of a grabbed object and the like.

The utility model with the application number of CN201420799692.6 discloses a pneumatic three-jaw gripper device, which comprises a main body and three grippers which are connected with the main body and have the same structure, wherein three grippers are uniformly arranged, every two grippers form 120-degree included angles, a connecting rod is connected with a lug through a hinge pin, the gripper is connected with a movable plate through the hinge pin, the main body comprises a cylinder, a support, a guide shaft, three uniformly arranged angle frames, the lug, a connecting plate, a linear bearing, the movable plate and the like, the three angle frames are uniformly and fixedly connected on the support, every two grippers form 120-degree included angles, the three lugs are respectively and fixedly connected on the three angle frames, the three angle frames are fixedly connected with the connecting plate, the linear bearing is fixedly connected on the connecting plate, one end of the guide shaft is fixedly connected with the cylinder, the other end of the guide shaft is fixedly connected with the movable plate, the guide shaft is slidable in the linear bearing, and the link and the gripper are connected by the hinge pin.

However, above-mentioned utility model at the practical application in-process, can not carry out the ascending snatching of vertical side, moreover, three-jaw tongs are bulky, and it is fixed to snatch the door pattern.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a pneumatic mechanical tongs, it sets up the first centre gripping subassembly on the support through fixed and rotates the cooperation that sets up between the second centre gripping subassembly on actuating mechanism, carries out the ascending snatching of vertical side to the door, has solved above-mentioned utility model and has not been suitable for the technical problem that the door snatchs, turns into the swing power of second centre gripping subassembly with the straight line piston motion of cylinder, has realized clenching to the vertical side of door.

In order to achieve the above object, the utility model provides a following technical scheme:

a pneumatic mechanical gripper, comprising:

a support;

the driving mechanism is arranged on one side of the bracket along the length direction of the bracket; and

the clamping mechanism comprises a first clamping assembly and a second clamping assembly, and the first clamping assembly is arranged in the middle of the other side of the bracket relative to the driving mechanism; the second clamping assembly comprises a second base, the second base is rotatably arranged at the lower part of the driving mechanism, and the first clamping assembly and the second clamping assembly are combined to form a clamping area.

As an improvement, the drive mechanism includes:

the air cylinder is arranged on one side of the support along the length direction of the support; and

the connecting rod assembly is arranged below the cylinder along the moving direction of the cylinder, the connecting rod assembly is connected with the second clamping assembly, and the cylinder drives the second clamping assembly to rotate through the connecting rod assembly.

As an improvement, the connecting rod assembly includes:

the connecting rod is driven by the cylinder to do telescopic motion;

and one end of the connecting block is connected with the end part of the connecting rod, and the other end of the connecting block is connected with the second base.

As an improvement, the connecting block is hinged with the connecting rod and the second base.

As an improvement, the first clamping assembly comprises:

the first base is arranged on one side of the bracket along the length direction of the bracket;

the first clamping block is arranged on one side of the first base along the width direction of the first base and is positioned below the first base;

the second clamping block is arranged on the other side of the first base relative to the first clamping block and is positioned below the first base; and

the positioning block is arranged on the other side of the second clamping block relative to the first clamping block.

As an improvement, a gasket is arranged between the first clamping block and the first base and between the second clamping block and the first base.

As an improvement, the second clamping assembly further comprises:

the third clamping block is arranged on one side of the second base along the width direction of the second base and is matched with the first clamping block; and

and the fourth clamping block is arranged on the other side of the second base relative to the third clamping block and is matched with the second clamping block.

As an improvement, a gasket is arranged between the third clamping block and the second base and between the fourth clamping block and the second base.

The beneficial effects of the utility model reside in that:

(1) the utility model realizes the grasping of the vehicle door in the vertical direction by the cooperation between the first clamping component fixedly arranged on the bracket and the second clamping component rotatably arranged on the driving mechanism, and converts the linear piston motion of the cylinder into the swing power of the second clamping component;

(2) the utility model positions the vehicle door through the positioning block and then clamps the vehicle door, thereby improving the stability of the vehicle door during working and improving the production quality;

(3) the utility model discloses a set up the packing ring between clamp splice and base for can have the buffering when carrying out the centre gripping to the door, in order to avoid causing the damage to the door in the centre gripping of door, simultaneously, can also reduce the buffer power of second centre gripping subassembly when rotating the centre gripping, prolong the life of tongs;

to sum up, the utility model has the advantages of simple structure, convenient operation improves stability, makes things convenient for the centre gripping, improves product quality.

Drawings

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

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of the connecting rod assembly of the present invention;

fig. 4 is a front view of the first clamping assembly of the present invention;

fig. 5 is a front view of a second clamping assembly of the present invention;

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b):

as shown in fig. 1 and 2, a pneumatic mechanical gripper comprising:

a bracket 1;

the driving mechanism 2 is arranged on one side of the bracket 1 along the length direction of the bracket 1; and

the clamping mechanism 3 comprises a first clamping component 31 and a second clamping component 32, and the first clamping component 31 is arranged in the middle of the other side of the bracket 1 relative to the driving mechanism 2; the second clamping assembly 32 includes a second base 321, the second base 321 is rotatably disposed at a lower portion of the driving mechanism 2, and the first clamping assembly 31 and the second clamping assembly 32 are combined to form a clamping area 10.

Further, the drive mechanism 2 includes:

the air cylinder 21 is arranged on one side of the bracket 1 along the length direction of the bracket 1; and

the connecting rod assembly 22 is arranged below the cylinder 21 along the moving direction of the cylinder 21, the connecting rod assembly 22 is connected with the second clamping assembly 32, and the cylinder 21 drives the second clamping assembly 32 to rotate through the connecting rod assembly 22.

Further, as shown in fig. 3, the link assembly 22 includes:

the connecting rod 221, the said connecting rod 221 is driven by the said cylinder 21 to make the telescopic motion;

and one end of the connecting block 222 is connected to the end of the connecting rod 221, and the other end of the connecting block 222 is connected to the second base 321.

The connecting block 222 is hinged to the connecting rod 221 and the second base 321.

Further, as shown in fig. 4, the first clamping assembly 31 includes:

the first base 311 is arranged on one side of the bracket 1 along the length direction of the bracket 1;

the first clamping block 312 is arranged on one side of the first base 311 along the width direction of the first base 311, and is positioned below the first base 311;

the second clamping block 313 is arranged on the other side of the first base 311 opposite to the first clamping block 312 and is positioned below the first base 311; and

a positioning block 314, wherein the positioning block 314 is disposed on the other side of the second clamping block 313 relative to the first clamping block 312.

A gasket 9 is disposed between the first clamping block 312 and the second clamping block 313, and the first base 311.

Further, as shown in fig. 5, the second clamping assembly 32 further includes:

the third clamping block 322 is arranged on one side of the second base 321 along the width direction of the second base 321, and is matched with the first clamping block 312; and

and the fourth clamping block 323 is arranged on the other side of the second base 321 relative to the third clamping block 322, and the fourth clamping block 323 is arranged in a manner of being matched with the second clamping block 313.

A gasket 9 is disposed between the third clamping block 322 and the fourth clamping block 323 and the second base 321.

In this embodiment, the setting of packing ring makes can have the buffering when carrying out the centre gripping to the door to cause the damage to the door in the centre gripping to the door, simultaneously, can also reduce the buffer power of second centre gripping subassembly when rotating the centre gripping, the life of extension tongs.

The working process is as follows:

the cylinder 21 pushes the connecting rod 221 to move, the connecting block 222 drives the second base 321 to rotate, quota and setting of the first clamping block 312 and the third clamping block 322 are achieved, the second clamping block 313 and the fourth clamping block 323 are arranged in a matched mode, the vehicle door is clamped in the vertical direction, meanwhile, the vehicle door is positioned and fixed through the positioning block 314, and stability during machining is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A pneumatic mechanical gripper, comprising:

a support (1);

the driving mechanism (2) is arranged on one side of the bracket (1) along the length direction of the bracket (1); and

the clamping mechanism (3) comprises a first clamping assembly (31) and a second clamping assembly (32), and the first clamping assembly (31) is arranged in the middle of the other side of the bracket (1) relative to the driving mechanism (2); the second clamping assembly (32) comprises a second base (321), the second base (321) is rotatably arranged at the lower part of the driving mechanism (2), and the first clamping assembly (31) and the second clamping assembly (32) are combined to form a clamping area (10).

2. Pneumatic mechanical gripper according to claim 1, characterized in that said driving mechanism (2) comprises:

the air cylinder (21), the air cylinder (21) is arranged on one side of the support (1) along the length direction of the support (1); and

the connecting rod assembly (22), the connecting rod assembly (22) along the moving direction of cylinder (21) set up in the below of cylinder (21), this connecting rod assembly (22) with second centre gripping subassembly (32) are connected the setting, cylinder (21) pass through connecting rod assembly (22) drive second centre gripping subassembly (32) rotate.

3. Pneumatic mechanical gripper according to claim 2, characterized in that said connecting rod assembly (22) comprises:

the connecting rod (221), the said connecting rod (221) is driven by the said air cylinder (21) to make the telescopic motion;

one end of the connecting block (222) is connected with the end of the connecting rod (221), and the other end of the connecting block (222) is connected with the second base (321).

4. A pneumatic mechanical gripper according to claim 3, characterised in that said connecting piece (222) is hinged to both said connecting rod (221) and said second base (321).

5. Pneumatic mechanical gripper according to claim 1, characterized in that said first gripping assembly (31) comprises:

the first base (311) is arranged on one side of the bracket (1) along the length direction of the bracket (1);

the first clamping block (312) is arranged on one side of the first base (311) along the width direction of the first base (311) and is positioned below the first base (311);

the second clamping block (313) is arranged on the other side of the first base (311) relative to the first clamping block (312) and is positioned below the first base (311); and

a positioning block (314), wherein the positioning block (314) is arranged on the other side of the second clamping block (313) relative to the first clamping block (312).

6. Pneumatic mechanical gripper according to claim 5, characterised in that between said first and second clamping blocks (312, 313) and said first base (311) a gasket (9) is provided.

7. Pneumatic mechanical gripper according to claim 5, characterised in that said second gripping assembly (32) further comprises:

the third clamping block (322) is arranged on one side of the second base (321) along the width direction of the second base (321), and is matched with the first clamping block (312); and

the fourth clamping block (323) is arranged on the other side of the second base (321) relative to the third clamping block (322), and the fourth clamping block (323) is matched with the second clamping block (313).

8. Pneumatic mechanical gripper according to claim 7, characterised in that washers (9) are provided between the third and fourth clamping blocks (322, 323) and the second base (321).