CN-224223910-U - Clamp device and mechanical arm

CN224223910UCN 224223910 UCN224223910 UCN 224223910UCN-224223910-U

Abstract

The utility model discloses a clamp device and a mechanical arm, which relates to the technical field of mechanical arm clamps, wherein the clamp device comprises a frame and a clamping assembly, the clamping assembly comprises two groups of clamping jaws which are oppositely arranged, each clamping jaw comprises a mounting plate and a sucker structure, the sucker structure is connected to the mounting plate, the mounting plate is movably connected to the frame, and the two mounting plates can move in opposite directions or in opposite directions so that the sucker structure can grab or place a workpiece.

Inventors

WEI KEKE
WU XIANG
LI YUMEI
XIONG WEI
HU XIANGYUAN
WANG DAOQI
HU XINYU

Assignees

湖北工程学院

Dates

Publication Date: 20260512
Application Date: 20250522

Claims (10)

1. A clamp device, comprising: A frame; The clamping assembly comprises two groups of clamping jaws which are arranged in opposite directions, each clamping jaw comprises a mounting plate and a sucker structure, the sucker structure is connected with the mounting plates, the mounting plates are movably connected with the frame, and the two mounting plates can move in opposite directions or in opposite directions so that the sucker structure can grab or place workpieces.
2. The fixture apparatus of claim 1, wherein the suction cup structure comprises a suction cup and a telescoping member, the telescoping member being attached to the mounting plate, the suction cup being attached to an end of the telescoping member.
3. The clamp device of claim 2, wherein the telescoping member comprises a telescoping sleeve and a telescoping rod, the telescoping sleeve being disposed about the telescoping rod, the telescoping rod being telescopically movable along an axis of the telescoping sleeve.
4. The fixture apparatus of claim 3, wherein the telescoping member further comprises a first elastic member and a second elastic member, the first elastic member is disposed around the telescoping rod and abuts against an outer end of the telescoping sleeve, the second elastic member is disposed in the telescoping sleeve and abuts against an end of the telescoping rod adjacent to the telescoping sleeve, and an elastic coefficient of the first elastic member is greater than an elastic coefficient of the second elastic member.
5. The fixture device of claim 4, wherein an air tube is disposed in the telescopic rod, the air tube extends along the axial direction of the telescopic rod and is communicated with the telescopic sleeve, and the telescopic sleeve is formed with a connecting port for connecting an air pump.
6. The clamp device of claim 5, wherein the telescopic sleeve comprises a main body and a rear cover, the rear cover is connected to one end of the main body far away from the telescopic rod, the second elastic piece is abutted with the rear cover, and the connecting port is formed in the rear cover.
7. The clamp apparatus of any one of claims 3 to 6, wherein the suction cup structure further includes a resilient contact connected to an end of the telescoping rod remote from the telescoping sleeve, the suction cup being connected to the resilient contact.
8. The fixture apparatus of claim 7, further comprising a transmission assembly, the transmission assembly comprising a fixed main plate, a driving wheel, a first driven wheel, a second driven wheel, and a driving member, the fixed main plate being connected to the frame, the driving wheel, the first driven wheel, and the second driven wheel being disposed on the fixed main plate, the driving wheel being in meshed connection with the first driven wheel, the first driven wheel being in meshed connection with the second driven wheel, one of the mounting plates being connected to the first driven wheel, the other mounting plate being connected to the second driven wheel.
9. The fixture apparatus of claim 8, wherein the suction cup release structures are mounted to the mounting plates, and at least two suction cup structures are provided on each mounting plate.
10. A robotic arm comprising a clamp device according to any one of claims 1 to 9.

Description

Clamp device and mechanical arm Technical Field The utility model relates to the technical field of mechanical arm clamps, in particular to a clamp device and a mechanical arm. Background With the rapid development of industrial automation, intelligent manufacturing and robotics, mechanical arms are increasingly used in the fields of manufacturing, logistics, medical treatment, services and the like. However, the conventional mechanical arm fixture is usually designed for specific tasks or single workpieces, and the rigid structure and the fixing function of the conventional mechanical arm fixture show obvious limitations when facing diversified, small-batch and flexible production requirements, and the fixture devices which are correspondingly adapted are needed when clamping, picking and placing different types of workpieces are realized, so that the production cost and the time cost required by designing and producing various fixtures are increased, the time spent for replacing the fixture devices is increased in actual production, and the production efficiency is reduced. Disclosure of utility model The utility model mainly aims to provide a clamp device and a mechanical arm, and aims to improve the adaptability of the clamp device to clamping various types of workpieces. To achieve the above object, the present utility model provides a clamp device comprising: A frame; The clamping assembly comprises two groups of clamping jaws which are arranged in opposite directions, each clamping jaw comprises a mounting plate and a sucker structure, the sucker structure is connected with the mounting plates, the mounting plates are movably connected with the frame, and the two mounting plates can move in opposite directions or in opposite directions so that the sucker structure can grab or place workpieces. In one embodiment, the suction cup structure comprises a suction cup and a telescoping member, the telescoping member is connected to the mounting plate, and the suction cup is connected to an end of the telescoping member. In an embodiment, the telescopic component comprises a telescopic sleeve and a telescopic rod, the telescopic sleeve is sleeved on the telescopic rod, and the telescopic rod can move in a telescopic manner along the axial direction of the telescopic sleeve. In an embodiment, the telescopic component further comprises a first elastic piece and a second elastic piece, the first elastic piece is wound on the telescopic rod and is abutted to the outer end of the telescopic sleeve, the second elastic piece is arranged in the telescopic sleeve and is abutted to one end, close to the telescopic sleeve, of the telescopic rod, and the elastic coefficient of the first elastic piece is larger than that of the second elastic piece. In an embodiment, an air pipe is arranged in the telescopic rod, the air pipe extends along the axial direction of the telescopic rod and is communicated with the telescopic sleeve, and a connecting port is formed in the telescopic sleeve and used for connecting an air pump. In an embodiment, the telescopic sleeve comprises a main body and a rear cover, the rear cover is connected to one end, far away from the telescopic rod, of the main body, the second elastic piece is abutted to the rear cover, and the connecting port is formed in the rear cover. In an embodiment, the sucker structure further comprises an elastic contact, the elastic contact is connected to one end of the telescopic rod, which is far away from the telescopic sleeve, and the sucker is connected to the elastic contact. In an embodiment, the fixture device further comprises a transmission assembly, the transmission assembly comprises a fixed main board, a driving wheel, a first driven wheel, a second driven wheel and a driving piece, the fixed main board is connected with the frame, the driving wheel, the first driven wheel and the second driven wheel are arranged on the fixed main board, the driving wheel is in meshed connection with the first driven wheel, the first driven wheel is in meshed connection with the second driven wheel, one mounting plate is connected with the first driven wheel, and the other mounting plate is connected with the second driven wheel. In an embodiment, the suction cup de-structures are clamped on the mounting plates, and each mounting plate is provided with at least two suction cup structures. The utility model also proposes a mechanical arm comprising a clamp device comprising: A frame; The clamping assembly comprises two groups of clamping jaws which are arranged in opposite directions, each clamping jaw comprises a mounting plate and a sucker structure, the sucker structure is connected with the mounting plates, the mounting plates are movably connected with the frame, and the two mounting plates can move in opposite directions or in opposite directions so that the sucker structure can grab or place workpieces. The technical scheme of the utility model provides the fixture dev