CN-224223925-U - Clamping device capable of switching clamping modes of two claws and four claws

CN224223925UCN 224223925 UCN224223925 UCN 224223925UCN-224223925-U

Abstract

The utility model discloses a clamping device capable of switching clamping modes of two claws and four claws, which comprises a mounting plate, a cylinder body with two open ends, a first clamping jaw mechanism, a second clamping jaw mechanism and a driving device for driving the first clamping jaw mechanism to lift so as to realize mode switching, wherein the first clamping jaw mechanism comprises a frame body, a first air cylinder, a first hinge plate, a first connecting rod, a clamping rod and a first clamping jaw, the second clamping jaw mechanism comprises two clamping jaw brackets, a second clamping jaw, a second air cylinder, a second hinge plate and a second connecting rod, and the driving device comprises a third air cylinder, a vertical plate, a T-shaped rod and a connecting rod, and the two first clamping jaws and the two second clamping jaws are in orthogonal cross-shaped layout. According to the utility model, the first clamping jaw and the second clamping jaw which are mutually independent and are orthogonally arranged are arranged, and the lifting driving device is adopted to control the vertical displacement of the first clamping jaw, so that the disassembly-free rapid switching of the two-jaw clamping mode and the four-jaw clamping mode is realized, and the device has the technical advantages of strong adaptability and convenience in adjustment of multiple types of objects.

Inventors

WANG LU
LIU WEIGAO
LU JIAWEI
SONG DEXIN
Lou Zhihanbin
Xiao Xiayi
ZHU ZHIFANG
GUI FANGZHI

Assignees

江西水利电力大学

Dates

Publication Date: 20260512
Application Date: 20250509

Claims (4)

1. The clamping device capable of switching the clamping modes of the two claws and the four claws is characterized by comprising a mounting plate (1), a cylinder body (2) with two open ends, a first clamping jaw mechanism, a second clamping jaw mechanism and a driving device for driving the first clamping jaw mechanism to lift so as to realize mode switching; The inside of the cylinder body (2) is divided into an upper cavity and a lower cavity by a partition plate (201); The first clamping jaw mechanism comprises a frame body (7), a first air cylinder (8), a first hinge plate (9), a first connecting rod (10), clamping rods (11) and first clamping jaws (12), wherein the frame body (7) is arranged in an upper cavity, the first air cylinder (8) is arranged at the inner bottom of the frame body (7), the first hinge plate (9) is arranged at the output end of the first air cylinder (8), two sides of the first hinge plate (9) are respectively hinged with the clamping rods (11) through the first connecting rod (10), the two clamping rods (11) penetrate through the frame body (7) and the partition plate (201) and are rotationally connected with the frame body (7) through bolts (13), and the first clamping jaws (12) are respectively arranged at the lower ends of the two clamping rods (11); The second clamping jaw mechanism comprises two clamping jaw supports (14), a second clamping jaw (15), a second air cylinder (17), a second hinge plate (18) and a second connecting rod (19), wherein the two clamping jaw supports (14) are arranged in the lower cavity and are of plate-shaped structures, the second clamping jaw (15) is arranged at the lower ends of the two clamping jaw supports (14) respectively, the second air cylinder (17) is arranged at the bottom of the partition plate (201), the second hinge plate (18) is arranged at the output end of the second air cylinder (17), two sides of the second hinge plate (18) are hinged with the cross rod (141) through the second connecting rod (19) respectively, and the cross rod (141) is fixed at the inner side of the clamping jaw supports (14); The driving device comprises a third air cylinder (3), a vertical plate (4), a T-shaped rod (5) and a connecting rod (6), wherein the vertical plate (4) is arranged on the mounting plate (1), the upper part of the vertical plate (4) is hinged with a middle shaft rod of the T-shaped rod (5), two sides of the T-shaped rod (5) are respectively hinged with the connecting rod (6) and the output end of the third air cylinder (3), the third air cylinder (3) is arranged on the mounting plate (1), and the connecting rod (6) penetrates through an open slot (101) on the mounting plate (1) to be connected with the frame body (7); The two first clamping jaws (12) and the two second clamping jaws (15) are in an orthogonal cross-shaped layout.
2. The clamping device capable of switching between two-jaw and four-jaw clamping modes according to claim 1, wherein a pair of mounting lugs (102) are arranged on one side of the mounting plate (1).
3. The clamping device capable of switching between the two-jaw clamping mode and the four-jaw clamping mode according to claim 1, wherein the lower cavity is internally provided with a guide rod (16), and the upper parts of the two clamping jaw brackets (14) are provided with guide holes matched with the guide rod (16) in a penetrating manner.
4. The clamping device capable of switching between the two-jaw clamping mode and the four-jaw clamping mode according to claim 1, wherein a chute (2011) matched with the upper part of the clamping jaw support (14) is arranged at the bottom of the partition plate (201).

Description

Clamping device capable of switching clamping modes of two claws and four claws Technical Field The utility model relates to a clamping device capable of switching clamping modes of two claws and four claws. Background The mechanical claw is a peripheral matching device of an industrial mechanical arm and is used for being matched with the mechanical arm to grab, clamp, transfer, carry workpieces and the like, the application is wide, most of the existing mechanical claws are two claws or four claws, the mechanical claws of the four claws are convenient for clamping irregular workpieces, but the contact parts of the four claws are difficult to realize complete contact in the clamping process, gaps are reserved, the clamping of smaller workpieces is unsuitable, when the mechanical claws are in a two-claw shape, the complete contact can be realized, but when the irregular workpieces are grabbed, the grabbing is difficult, the traditional switching mode is relatively troublesome to detach the recombined mechanical claw, the operation is relatively troublesome, and the operation efficiency is low, so that the clamping device capable of switching the clamping modes of the two claws and the four claws is provided. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a clamping device capable of switching two-jaw and four-jaw clamping modes. In order to achieve the technical purpose, the utility model adopts the following technical scheme: A clamping device capable of switching clamping modes of two claws and four claws comprises a mounting plate, a cylinder body with two open ends, a first clamping jaw mechanism, a second clamping jaw mechanism and a driving device for driving the first clamping jaw mechanism to lift so as to realize mode switching; The inside of the cylinder body is divided into an upper cavity and a lower cavity by a partition plate; the first clamping jaw mechanism comprises a frame body, a first air cylinder, a first hinge plate, a first connecting rod, clamping rods and first clamping jaws, wherein the frame body is arranged in the upper cavity, the first air cylinder is arranged at the inner bottom of the frame body, the first hinge plate is arranged at the output end of the first air cylinder, two sides of the first hinge plate are respectively hinged with the clamping rods through the first connecting rod, the two clamping rods penetrate through the frame body and the partition plate and are rotationally connected with the frame body through bolts, and the first clamping jaws are respectively arranged at the lower ends of the two clamping rods; the second clamping jaw mechanism comprises two clamping jaw supports, a second clamping jaw, a second air cylinder, a second hinge plate and a second connecting rod, wherein the two clamping jaw supports are arranged in the lower cavity and are of a plate-shaped structure, the lower ends of the two clamping jaw supports are respectively provided with a second clamping jaw, the second air cylinder is arranged at the bottom of the partition plate, the output end of the second air cylinder is provided with a second hinge plate, two sides of the second hinge plate are respectively hinged with the cross rod through the second connecting rod, and the cross rod is fixed at the inner side of the clamping jaw supports; The driving device comprises a third air cylinder, a vertical plate, a T-shaped rod and a connecting rod, wherein the vertical plate is arranged on the mounting plate, the upper part of the vertical plate is hinged with a middle shaft lever of the T-shaped rod, two sides of the T-shaped rod are respectively hinged with the connecting rod and the output end of the third air cylinder, the third air cylinder is arranged on the mounting plate, and the connecting rod penetrates through an opening groove on the mounting plate to be connected with the frame body; the two first clamping jaws and the two second clamping jaws are in orthogonal cross-shaped layout. Further, one side of the mounting plate is provided with a pair of mounting ears. Further, a guide rod is arranged in the lower cavity, and guide holes matched with the guide rod are formed in the upper portions of the two clamping jaw supports in a penetrating mode. Further, a chute matched with the upper part of the clamping jaw bracket is arranged at the bottom of the partition plate. The utility model realizes the disassembly-free rapid switching of the two-claw mode and the four-claw mode, not only maintains the advantages of the two claw modes, but also solves the problem of shutdown disassembly and assembly caused by mode conversion of the traditional mechanical claw. According to the utility model, the first clamping jaw and the second clamping jaw which are mutually independent and are orthogonally arranged are arranged, the lifting driving device is adopted to control the vertical displacement of the first clamping jaw, the first