CN216030879U

CN216030879U - Flexible grabbing device based on arm

Info

Publication number: CN216030879U
Application number: CN202122226804.1U
Authority: CN
Inventors: 李文军; 李承翰
Original assignee: Dalian Yuyang Industrial Intelligence Co ltd
Current assignee: Dalian Yuyang Industrial Intelligence Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-03-15
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a flexible grasping device based on a mechanical arm, which comprises a bracket and a clamping claw piece, a connecting plate is fixedly connected to the vertical end of the bracket, and an outer wall is penetrated by the horizontal end of the bracket and the connecting plate to define a The first threaded rod with symmetrical threaded grooves is provided with two sets of symmetrically arranged sliding rod sleeves in threaded connection at both ends of the first threaded rod. In the utility model, the forward and reverse rotation of the driving bidirectional threaded rod 1 can realize the clamping of the workpiece, the elastic pad inside the clamping claw can buffer the clamping force of the workpiece, and the barb at the bottom of the arc-shaped shell is convenient for clamping the workpiece. In the clamping of workpieces, the positions of the two groups of moving rods can be changed by driving the two-way threaded rods, which further drives the position of the two arc-shaped shells to change synchronously. Hold, strengthen the use effect of the grasping device.

Description

Flexible grabbing device based on arm

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a flexible grabbing device based on a mechanical arm.

Background

The arm uses more frequently on automation line, snatchs, removes, processes the work piece through grabbing device in the one end of arm, and grabbing device is mostly metallic structure at present, and when too smooth or the shape is complicated to the target object surface, the great but insecure of the operation degree of difficulty, the success rate that leads to snatching often is not high, and the standard of snatching the work piece moreover is limited, has reduced grabbing device's result of use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, a flexible gripping device based on a mechanical arm is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a flexible grabbing device based on arm, includes support and clamping jaw spare, the vertical end fixedly connected with connecting plate of support, the threaded rod that a set of symmetrical thread groove was seted up to the exterior wall is worn to be equipped with by support and connecting plate horizontal end, threaded rod a both ends screw thread closes soon and is connected with the slide bar cover that two sets of symmetries set up, and is two sets of the equal sliding connection in slide bar cover top is inside the support, and is two sets of equal swing joint has the connecting rod between slide bar cover bottom and the clamping jaw spare, two sets of symmetrical spacing spouts, two sets of are seted up to the vertical end of support the vertical end of spacing spout is provided with the adjustment mechanism who is used for driving the clamping jaw spare.

Preferably, the adjusting mechanism comprises a fixed rod fixed at the bottom of the connecting plate and two groups of moving rods which are slidably connected in two groups of limiting sliding grooves, the bottoms of the two groups of moving rods are respectively movably connected with the clamping jaw piece, and the tops and the bottoms of the two groups of moving rods are respectively provided with a second threaded rod and a fixed rod, wherein a group of symmetrical thread grooves are formed in the outer wall of the second threaded rod and the fixed rod.

Preferably, the two ends of the threaded rod are fixed at the horizontal end of the fixing block penetrating through the top of the bracket, and two limit blocks are fixedly connected to the two ends of the fixing rod.

Preferably, the clamping jaw piece is including the outer two sets of arc shells that have respectively with carriage release lever and connecting rod sliding connection, and is two sets of all through cushion fixedly connected with holding piece in the arc shell, the holding piece inner wall is provided with the multiunit arch.

Preferably, the two ends of the first threaded rod are fixedly connected with first limiting blocks, and the first limiting blocks are located right above the second limiting blocks respectively.

Preferably, barbs are symmetrically arranged at the bottoms of the two groups of arc-shaped shells.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

this application can realize getting the clamp of work piece through the positive and negative commentaries on classics of drive two-way threaded rod one, can cushion the clamping-force to the work piece through the inside cushion of clamping jaw spare, and the barb through arc shell bottom is convenient for get the clamp of work piece, wherein can change the position of two sets of carriage release levers through drive two-way threaded rod two, the position synchronous change of further driving two arc shells, can adjust the inside space size of clamping jaw spare, be convenient for carry out the centre gripping to the work piece of different models, grabbing device's result of use has been strengthened.

Drawings

FIG. 1 illustrates a schematic diagram of a structure provided in accordance with an embodiment of the present invention;

FIG. 2 illustrates an internal schematic diagram provided in accordance with an embodiment of the present invention;

fig. 3 shows a schematic side-sectional structure provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a support; 2. a connecting plate; 3. a travel bar; 4. a jaw member; 41. an arcuate shell; 42. an elastic pad; 43. a clamping piece; 5. a first threaded rod; 6. a slide bar sleeve; 7. a connecting rod; 8. a first limiting block; 9. a second threaded rod; 10. a limiting chute; 11. fixing the rod; 12. and a second limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a flexible grabbing device based on arm, including support 1 and gripper spare 4, 1 vertical end fixedly connected with connecting plate 2 of support, support 1 wears to be equipped with the threaded rod 5 that the outward appearance wall offered a set of symmetrical thread groove with 2 horizontal ends of connecting plate, threaded rod 5 both ends screw thread closes soon and is connected with the slide bar cover 6 that two sets of symmetries set up, 6 equal sliding connection in top of two sets of slide bar covers are inside support 1, and equal swing joint has connecting rod 7 between 6 bottoms of two sets of slide bar covers and gripper spare 4, 1 vertical end of support has seted up two sets of

symmetrical spacing spouts

10, 10 vertical ends of two sets of spacing spouts are provided with the adjustment mechanism who is used for driving gripper spare 4, through the inside size of adjustable gripper spare 4 of adjustment mechanism, be convenient for carry out the centre gripping to different model work pieces.

Specifically, as shown in fig. 2, the adjusting mechanism includes a fixed rod 11 fixed at the bottom of the connecting plate 2 and two sets of moving rods 3 slidably connected in two sets of limiting sliding grooves 10, the bottoms of the two sets of moving rods 3 are movably connected with the jaw members 4 respectively, and two sets of threaded rods 9 and fixed rods 11 having a set of symmetrical thread grooves formed in the outer wall are respectively inserted into the tops and bottoms of the two sets of moving rods 3.

Specifically, as shown in fig. 2, one end of the second threaded rod 9 is provided with a second limiting block 12 through a horizontal end of a fixing block penetrating through the top of the bracket 1, and two ends of the fixing rod 11 are fixedly connected with the second limiting block.

Specifically, as shown in fig. 2, the clamping jaw member 4 includes two sets of arc-shaped shells 41, the outer layers of which are slidably connected with the moving rod 3 and the connecting rod 7, the two sets of arc-shaped shells 41 are fixedly connected with clamping pieces 43 through elastic pads 42, and the inner walls of the clamping pieces 43 are provided with a plurality of sets of protrusions, so that different workpieces can be clamped conveniently.

Specifically, as shown in fig. 2, two ends of the first threaded rod 5 are fixedly connected with the first limiting blocks 8, and the first two limiting blocks 8 are respectively positioned right above the second two limiting blocks 12, so that the moving rod 3 can be adjusted within a certain range, and the interference on the movement of the sliding rod sleeve 6 is avoided.

Specifically, as shown in fig. 2, barbs are symmetrically arranged at the bottoms of the two sets of arc-shaped shells 41, so that a workpiece with a smooth surface can be clamped conveniently.

In conclusion, the flexible grabbing device based on mechanical arm provided by this embodiment drives the first 5 bidirectional threaded rod to rotate forward and backward to clamp the workpiece, the elastic pad 42 inside the claw piece 4 can buffer the clamping force on the workpiece, and the barb at the bottom of the arc-shaped shell 41 is convenient for clamping the workpiece, wherein the positions of the two sets of moving rods 3 can be changed by driving the second 9 bidirectional threaded rod, the positions of the two arc-shaped shells 41 are further driven to change synchronously, the size of the space inside the claw piece 4 can be adjusted, the workpiece with different models can be clamped conveniently, and the using effect of the grabbing device is enhanced.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flexible gripping device based on a mechanical arm comprises a bracket (1) and a clamping jaw piece (4), it is characterized in that a connecting plate (2) is fixedly connected with the vertical end of the bracket (1), a first threaded rod (5) with a group of symmetrical thread grooves on the outer surface wall is arranged at the horizontal ends of the bracket (1) and the connecting plate (2) in a penetrating way, two sets of sliding rod sleeves (6) which are symmetrically arranged are connected with the two ends of the first threaded rod (5) in a threaded manner, the tops of the two sets of sliding rod sleeves (6) are connected inside the bracket (1) in a sliding manner, and connecting rods (7) are movably connected between the bottoms of the two groups of slide rod sleeves (6) and the clamping jaw pieces (4), two sets of symmetrical limiting sliding grooves (10) are formed in the vertical end of the support (1), and adjusting mechanisms used for driving the clamping jaw pieces (4) are arranged at the vertical ends of the two sets of limiting sliding grooves (10).

2. The flexible grabbing device based on a mechanical arm as claimed in claim 1, wherein the adjusting mechanism comprises a fixed rod (11) fixed at the bottom of the connecting plate (2) and two sets of moving rods (3) slidably connected in two sets of limiting sliding grooves (10), the bottoms of the two sets of moving rods (3) are movably connected with the clamping jaw members (4), and the tops and bottoms of the two sets of moving rods (3) are respectively provided with a second threaded rod (9) and a fixed rod (11) with a set of symmetrical thread grooves formed in the outer wall.

3. The flexible grabbing device based on arm of claim 2, characterized in that, one end of the second threaded rod (9) passes through the horizontal end of the fixed block penetrating the top of the support (1), and both ends of the fixed rod (11) are fixedly connected with the second limited block (12).

4. The flexible gripping device based on the mechanical arm as claimed in claim 1, wherein the clamping jaw member (4) comprises two sets of arc-shaped shells (41) with outer layers slidably connected with the moving rod (3) and the connecting rod (7), the inner parts of the two sets of arc-shaped shells (41) are fixedly connected with clamping pieces (43) through elastic pads (42), and the inner walls of the clamping pieces (43) are provided with a plurality of sets of protrusions.

5. The flexible grabbing device based on arm of claim 4, characterized in that both ends of the first threaded rod (5) are fixedly connected with the first limiting blocks (8), and the two first limiting blocks (8) are respectively located right above the two second limiting blocks (12).

6. A robot-arm-based flexible gripping device according to claim 4, characterized in that the bottoms of the two sets of arc-shaped shells (41) are symmetrically provided with barbs.