Search

CN-122009816-A - Adjustable workpiece grabbing device

CN122009816ACN 122009816 ACN122009816 ACN 122009816ACN-122009816-A

Abstract

The invention discloses an adjustable workpiece grabbing device, and belongs to the technical field of mechanical arm equipment. The device comprises a truss, two groups of bearing mechanisms and a plurality of groups of adsorption mechanisms, wherein the adsorption mechanisms comprise a sliding assembly, a deflection assembly, a plurality of suckers and a rotation assembly, the rotation assembly comprises a frame, a belt body, two belt wheels and a first motor, the suckers are respectively and uniformly and fixedly arranged on the outer sides of the belt bodies, the suckers on the same belt body are different in diameter, the sliding assembly is slidably arranged on the bearing mechanisms, an adjusting part and an air pump device are arranged on the upper side of the truss, the inner walls of the belt bodies, the outer sides of the two belt wheels and the inner walls of the frame are hermetically and slidably embedded, and the output end of the air pump device is connected and communicated with the adsorption mechanisms through pipeline parts. The invention effectively solves the problems that the size of the sucker cannot be changed according to the effective adsorption area of the adsorption point, and the workpiece area with smaller effective adsorption area cannot be well adapted.

Inventors

  • WANG SHAOHUA
  • CHU YANG
  • SUN LUNING
  • DING ZICHENG

Assignees

  • 烟台怡和汽车科技有限公司

Dates

Publication Date
20260512
Application Date
20260206

Claims (8)

  1. 1. An adjustable workpiece grabbing device comprises a truss (1), two groups of bearing mechanisms and a plurality of groups of adsorption mechanisms, wherein the two groups of bearing mechanisms are symmetrically arranged in the truss (1), and the plurality of groups of adsorption mechanisms are respectively arranged at the bottom sides of the two groups of bearing mechanisms; the suction mechanism is characterized by comprising a sliding component, a deflection component, a plurality of suckers (2) and a rotation component, wherein the rotation component comprises a frame (3), a belt body (4), two belt wheels (5) and a first motor (6), the two belt wheels (5) are installed in the frame (3) in an up-down symmetrical rotation mode, the belt body (4) is rotationally embedded on the two belt wheels (5), the first motor (6) is fixedly installed on the outer side of the frame (3), the output end of the first motor is fixedly connected with the end portion of the belt wheel (5) on the upper side, torque transmission is carried out, and the top end of the frame (3) is connected with the sliding component through the deflection component; The plurality of suckers (2) are respectively and uniformly fixed on the outer sides of the plurality of belt bodies (4), and the diameters of the plurality of suckers (2) on the same belt body (4) are different; The sliding component is slidably arranged on the bearing mechanism and is used for adjusting the intervals of the plurality of groups of adsorption mechanisms; an adjusting part and an air pump device (31) are arranged on the upper side of the truss (1); The inner wall of the belt body (4) is hermetically and slidably embedded with the outer sides of the two belt wheels (5) and the inner wall of the frame (3), and the output end of the air pump device (31) is connected and communicated with a plurality of groups of adsorption mechanisms through a pipeline part; and a connecting piece (7) is fixedly arranged on the upper side of the truss (1) and is used for being fixedly connected with external mechanical arm equipment.
  2. 2. The adjustable workpiece grabbing device according to claim 1, wherein the pipeline component comprises a transverse pipe (8) and a plurality of telescopic hoses (9), the transverse pipe (8) is horizontally and fixedly installed at a port of the air pump device (31), the top ends of the telescopic hoses (9) are fixedly connected and communicated with the transverse pipe (8), the bottom ends of the telescopic hoses (9) are fixedly installed on the side portions of the racks (3) through clamping blocks (10) respectively and are rotatably connected with a plurality of belt pulleys (5) located on the bottom side respectively, and electromagnetic valves (29) are fixedly installed on the telescopic hoses (9).
  3. 3. The adjustable workpiece grabbing device according to claim 1, wherein a cavity (501) is formed in the belt wheel (5) located at the bottom side and is communicated with the telescopic hose (9), an air groove (11) and a plurality of air holes (12) are formed in the middle of the belt wheel (5) located at the bottom side, the air holes (12) are uniformly distributed in a ring shape, two ends of the air holes are communicated with the air groove (11) and the cavity (501) respectively, and a plurality of ports of the sucking disc (2) penetrate through the belt body (4) and are communicated with the air groove (11).
  4. 4. The adjustable workpiece grabbing device according to claim 1, wherein the bearing mechanism comprises a sliding block (13) and two arm rods (14), the sliding block (13) is embedded in the truss (1) in a sliding mode, the two arm rods (14) are sleeved in the sliding block (13) in a central symmetry horizontal sliding mode, the two arm rods are connected through a driving component, and the driving component is arranged at the bottom end of the sliding block (13).
  5. 5. The adjustable workpiece grabbing device according to claim 1, wherein the adjusting component is used for adjusting the distance between two groups of bearing mechanisms, the two groups of adjusting components comprise a screw rod (15), a first motor (16) and two supporting frames (17), the two supporting frames (17) are vertically and fixedly installed on the upper side of the truss (1), the screw rod (15) is horizontally and rotatably sleeved in the two supporting frames (17), the first motor (16) is fixedly installed at the tail end of the truss (1), the output end of the first motor is fixedly connected with the end portion of the screw rod (15) through a coupler, and the two sliding blocks (13) are in threaded sleeve joint with the screw rod (15).
  6. 6. The adjustable workpiece grabbing device as claimed in claim 4, wherein the sliding assembly comprises a sliding frame (18), a second motor (19) and a first gear (20), the sliding frame (18) is embedded on the arm rod (14) in a sliding mode, a first rack (21) is horizontally and fixedly arranged on the upper side of the arm rod (14), the second motor (19) is fixedly arranged on the upper side of the sliding frame (18), the output end of the second motor vertically penetrates through the sliding frame (18), and the first gear (20) is fixedly sleeved at the end portion of the output shaft of the second motor (19) and is in meshed connection with the first rack (21).
  7. 7. The adjustable workpiece grabbing device according to claim 6, wherein the deflection assembly comprises a hanging frame (22), a third motor (23), a pin shaft (24) and a swinging frame (25), the hanging frame (22) is vertically and fixedly installed on the bottom side of the sliding frame (18), the pin shaft (24) is rotatably sleeved in the hanging frame (22), the swinging frame (25) is vertically arranged, the bottom end of the swinging frame is fixedly connected with the top end of the frame (3), the swinging frame (25) is fixedly sleeved with the pin shaft (24), the third motor (23) is fixedly installed on the outer side of the hanging frame (22), the output end of the third motor is fixedly connected with the end of the pin shaft (24), and spring rod structures are arranged on two sides of the swinging frame (25) and support elastic expansion.
  8. 8. The adjustable workpiece grabbing device as claimed in claim 4, wherein the driving component comprises a second motor (26), a second gear (27) and two second racks (28), the second motor (26) is fixedly installed inside the bottom side of the sliding block (13), the two second racks (28) are respectively fixedly installed on one sides, close to each other, of the two arm rods (14), and the second gear (27) is fixedly sleeved on an output shaft of the second motor (26) and is in meshed connection with the two second racks (28).

Description

Adjustable workpiece grabbing device Technical Field The invention relates to the technical field of mechanical arm equipment, in particular to an adjustable workpiece grabbing device. Background In the quantitative production process of the workpiece, the workpiece needs to be transported through the transporting equipment, the workpiece with the smooth surface can be grabbed through the sucker, so that the smooth surface of the workpiece is not damaged, a grabbing tool is not needed, in modern industrial production, the sucker is usually arranged on a proper manipulator or mechanical arm, the workpiece can be easily sucked and transferred, and the production line work is convenient. In the prior art, the utility model patent application with publication number of CN106003017A discloses an expandable mechanical gripper, the utility model patent application with publication number of CN105234954A discloses a conveying mechanical gripper, and the utility model patent with publication number of CN221416623U discloses a bar mechanical gripper. Disclosure of Invention The invention aims to provide an adjustable workpiece grabbing device, which solves the problems that the sizes of suckers proposed in the background art are fixed and uniform, the effective adsorption area of adsorption points cannot be changed, and when a grabbing surface is non-planar, a workpiece area with a smaller effective adsorption area cannot be well adapted. In order to achieve the above purpose, the present invention provides the following technical solutions: the adjustable workpiece grabbing device comprises a truss, two groups of bearing mechanisms and a plurality of groups of adsorption mechanisms, wherein the two groups of bearing mechanisms are symmetrically arranged in the truss, and the plurality of groups of adsorption mechanisms are respectively arranged at the bottom sides of the two groups of bearing mechanisms; The adsorption mechanism comprises a sliding component, a deflection component, a plurality of suckers and a rotation component, wherein the rotation component comprises a frame, a belt body, two belt pulleys and a first motor, the two belt pulleys are installed in the frame in a vertically symmetrical rotation mode, the belt body is rotationally embedded on the two belt pulleys, the first motor is fixedly installed on the outer side of the frame, the output end of the first motor is fixedly connected with the end portion of the belt pulley on the upper side to perform torque transmission, and the top end of the frame is connected with the sliding component through the deflection component; The sliding component is slidably arranged on the bearing mechanism and is used for adjusting the intervals of the plurality of groups of adsorption mechanisms; An air pump device is fixedly arranged on the upper side of the truss; The output end of the air pump device is connected and communicated with the plurality of groups of adsorption mechanisms through a pipeline component; an adjusting part is arranged on the upper side of the truss and used for adjusting the distance between the two groups of bearing mechanisms; The upper side of the truss is fixedly provided with a connecting piece which is used for being fixedly connected with an external mechanical arm equipment port; visual detection devices are fixedly installed at the bottom sides of the two ends of the truss and used for collecting images of the grabbing surfaces of the workpiece. Preferably, the pipeline component comprises a transverse pipe and a plurality of telescopic hoses, the transverse pipe is horizontally and fixedly arranged at the port of the air pump device, the top ends of the telescopic hoses are fixedly connected and communicated with the transverse pipe, the bottom ends of the telescopic hoses are fixedly arranged at the side parts of the plurality of frames respectively through clamping blocks and are respectively and rotatably connected with a plurality of belt wheels positioned at the bottom side, and electromagnetic valves are fixedly arranged on the telescopic hoses. Preferably, the belt pulley at the bottom side is internally provided with a cavity and is communicated with the telescopic hose, the middle part of the belt pulley at the bottom side is provided with an air groove and a plurality of air holes, the air holes are uniformly distributed in a ring shape, two ends of the air holes are respectively communicated with the air groove and the cavity, and a plurality of sucker ports penetrate through the belt body and are communicated with the air groove. Preferably, the bearing mechanism comprises a sliding block and two arm rods, the sliding block is embedded in the truss in a sliding mode, the two arm rods are sleeved in the sliding block in a central symmetry horizontal sliding mode, the bearing mechanism is connected with the sliding block through a driving component, and the driving component is arranged at the bottom end of the slidin