Adjustable grabbing assembly of manipulator

Abstract

The grabbing assembly comprises a manipulator connecting base, a mounting base, a connecting assembly, a grabbing air cylinder and a vacuum suction cup, the mounting base is fixedly arranged at the bottom of the manipulator connecting base, mounting grooves are formed in the lower surface of the mounting base at equal intervals in a criss-cross mode, and the connecting assembly is correspondingly arranged in the mounting grooves; the grabbing air cylinder is fixedly arranged at the bottom of the connecting assembly through an air cylinder connecting base, the driving end of the grabbing air cylinder is arranged downwards, and the driving end of the grabbing air cylinder is provided with a vacuum suction cup through an adjusting assembly. The adjustable adsorption mechanism is simple, reasonable and reliable in structure, an adjustable adsorption structure is formed by combining multiple sets of independent structures, products of different specifications are grabbed, maintenance is convenient, and the use cost is reduced.

Description

Technical Field

[0001] The invention discloses an adjustable grabbing assembly for a manipulator. Background Art

[0002] A manipulator is an automatic device that can imitate certain movements of human hands and arms, and is used to grab, carry objects or operate tools according to a fixed program. It is characterized by being able to complete various expected operations through programming, and its structure and performance combine the advantages of both human and mechanical machines.

[0003] When the robot is used in the production line, it is often necessary to prepare a single adsorption module specifically. In order to meet the adsorption of products of different specifications, more adsorption modules of different specifications need to be prepared, which greatly increases the operating cost. In addition, the maintenance cost is often increased due to the replacement of a set of modules during maintenance. Summary of the invention

[0004] The main technical problem solved by the present invention is to provide an adjustable gripping component for a manipulator, which has a simple, reasonable and reliable structure. An adjustable adsorption structure is formed by combining multiple groups of independent structures to achieve gripping of products of different specifications, facilitate maintenance and reduce use costs.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide an adjustable gripping assembly of a manipulator, including a manipulator connecting seat, a mounting seat, a connecting assembly, a gripping cylinder and a vacuum suction cup, the mounting seat is fixedly arranged at the bottom of the manipulator connecting seat, the lower surface of the mounting seat is provided with mounting grooves at equal intervals and crisscrossed, the connecting assembly is correspondingly arranged in the mounting grooves, the gripping cylinder is fixedly arranged at the bottom of the connecting assembly through the cylinder connecting seat and the driving end is arranged downward, and the driving end of the gripping cylinder is provided with a vacuum suction cup through an adjusting assembly.

[0006] In a preferred embodiment of the present invention, the mounting groove is arranged in a T-shaped structure.

[0007] In a preferred embodiment of the present invention, the connecting assembly includes a positioning nut, a connecting screw, a locking nut and a buffer spring.

[0008] In a preferred embodiment of the present invention, the outer diameter of the positioning nut is larger than the width of the longitudinal end of the mounting groove, the positioning nut is arranged in the lateral end of the installation, the top of the connecting screw passes through the longitudinal end of the mounting groove and is threadedly connected to the positioning nut, a plurality of locking nuts are provided and are threadedly connected to the connecting screw and are locked and fixed to the bottom of the mounting seat, and the buffer spring is arranged at the bottom of the connecting screw and is correspondingly connected to the cylinder connecting seat.

[0009] In a preferred embodiment of the present invention, a guide plate is provided at the lower end of the connecting screw, and a plurality of guide holes are evenly spaced on the guide plate.

[0010] In a preferred embodiment of the present invention, a plurality of guide rods are disposed on the top of the cylinder connecting seat and pass through the guide holes accordingly.

[0011] In a preferred embodiment of the present invention, the guide rod is further provided with a limiting block above the guide plate.

[0012] In a preferred embodiment of the present invention, the adjustment assembly includes a semicircular connecting piece, a U-shaped connecting seat and a locking bolt assembly.

[0013] In a preferred embodiment of the present invention, the planar end of the semicircular connector is connected to the driving end of the grabbing cylinder, the opening of the U-shaped connector is arranged upward and the bottom is connected to the vacuum suction cup, and a penetrating connecting hole is arranged at the center of the semicircular connector and the centers of the two opposite sides of the U-shaped connector, and the locking bolt assembly passes through the connecting holes to be locked and fixed.

[0014] The beneficial effects of the present invention are as follows: the adjustable gripping assembly of a manipulator pointed out by the present invention has a simple, reasonable and reliable structure, and an adjustable adsorption structure is formed by combining multiple groups of independent structures to achieve the gripping of products of different specifications, facilitate maintenance and reduce the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which: Figure 1 It is a partial cross-sectional view of a preferred embodiment of an adjustable gripping assembly of a manipulator of the present invention. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1 As shown, the embodiment of the present invention includes: A manipulator adjustable grabbing assembly comprises a manipulator connecting seat 1, a mounting seat 2, a connecting assembly, a grabbing cylinder 3 and a vacuum suction cup 4.

[0018] Among them, the manipulator connecting seat 1 can be conveniently connected and assembled with the manipulator.

[0019] The mounting seat 2 is fixedly arranged at the bottom of the manipulator connecting seat 1, and the lower surface of the mounting seat 2 is provided with mounting grooves 5 at equal intervals and in a criss-cross pattern. The mounting grooves 5 are arranged in a T-shaped structure, and the connecting components are correspondingly arranged in the mounting grooves 5, so as to facilitate the adjustment of the connecting components along the length direction of the mounting grooves 5 to meet the adsorption and grasping of products of different specifications and sizes.

[0020] The connecting assembly includes a positioning nut 6 , a connecting screw 7 , a locking nut 8 and a buffer spring 9 .

[0021] The outer diameter of the positioning nut 6 is larger than the width of the longitudinal end of the installation groove 5 , and the positioning nut 6 is arranged in the transverse end of the installation to ensure the installation stability of the positioning nut 6 .

[0022] The top of the connecting screw 7 passes through the longitudinal end of the mounting groove 5 and is threadedly connected to the positioning nut 6, so that the connecting screw 7 can be adjusted and positioned along the length direction of the mounting groove 5 as required.

[0023] The locking nuts 8 are provided in plurality and are threadedly connected to the connecting screw 7 and locked and fixed to the bottom of the mounting base 2 to ensure the stability of the connecting screw 7 after adjustment.

[0024] A guide plate 10 is disposed at the lower end of the connecting screw rod 7 , and a plurality of guide holes 11 are evenly spaced and arranged on the guide plate 10 for providing longitudinal vertical guidance.

[0025] The buffer spring 9 is arranged at the bottom of the connecting screw 7 The grabbing cylinder 3 is connected to the bottom driving end of the buffer spring 9 through the cylinder connecting seat 12, so as to realize the elastic connection of the grabbing cylinder 3.

[0026] A plurality of guide rods 13 are disposed on the top of the cylinder connection seat 12 and pass through the guide holes 11 accordingly to realize vertical guidance of the cylinder connection seat 12 .

[0027] The guide rod 13 is also provided with a limit block 14 above the guide plate 10 to prevent the guide rod 13 from being separated from the guide plate 10 .

[0028] The driving end of the grabbing cylinder 3 is provided with a vacuum suction cup 4 through an adjustment component, so that the vacuum suction cup 4 can be adjusted to a certain angle at the driving end of the grabbing cylinder 3 .

[0029] The adjustment assembly includes a semicircular connecting piece 15 , a U-shaped connecting seat 16 and a locking bolt assembly 17 .

[0030] The flat end of the semicircular connector 15 is connected to the driving end of the grabbing cylinder 3, the opening of the U-shaped connector 16 is arranged upward and the bottom is connected to the vacuum suction cup 4, and a penetrating connecting hole 18 is arranged at the center of the semicircular connector 15 and the centers of the two opposite sides of the U-shaped connector 16. The locking bolt assembly 17 is correspondingly passed through the connecting hole 18 for locking and fixing, and the angle adjustment of the vacuum suction cup 4 is achieved by loosening and tightening the locking bolt assembly 17.

[0031] The vacuum suction cup 4 can be axially rotated 360 degrees by connecting the screw rod 7 .

[0032] Before use, adjust the spacing between multiple connection components on the mounting base 2, adjust the telescopic length of the grabbing cylinder 3, and adjust the adsorption angle of the vacuum suction cup 4 according to the product to be grabbed, so as to meet the needs of grabbing products of different specifications.

[0033] In summary, the adjustable gripping assembly of a manipulator pointed out by the present invention has a simple, reasonable and reliable structure. An adjustable adsorption structure is formed by combining multiple groups of independent structures to achieve the gripping of products of different specifications, facilitate maintenance and reduce the cost of use.

[0034] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A manipulator adjustable gripping assembly, characterized in that: It includes a manipulator connecting seat, a mounting seat, a connecting component, a grabbing cylinder and a vacuum suction cup. The mounting seat is fixedly arranged at the bottom of the manipulator connecting seat. The lower surface of the mounting seat is provided with mounting grooves at equal intervals and crisscrossed. The connecting component is correspondingly arranged in the mounting grooves. The grabbing cylinder is fixedly arranged at the bottom of the connecting component through the cylinder connecting seat and the driving end is arranged downward. The driving end of the grabbing cylinder is provided with a vacuum suction cup through an adjusting component.

2. The adjustable gripping assembly of the manipulator according to claim 1, characterized in that: The mounting groove is arranged in a T-shaped structure.

3. The adjustable gripping assembly of the manipulator according to claim 2, characterized in that: The connecting assembly comprises a positioning nut, a connecting screw, a locking nut and a buffer spring.

4. The adjustable gripping assembly of the manipulator according to claim 3, characterized in that: The outer diameter of the positioning nut is larger than the width of the longitudinal end of the mounting groove. The positioning nut is arranged in the lateral end of the installation. The top of the connecting screw passes through the longitudinal end of the mounting groove and is threadedly connected to the positioning nut. A plurality of locking nuts are provided and are threadedly connected to the connecting screw and are locked and fixed to the bottom of the mounting seat. The buffer spring is arranged at the bottom of the connecting screw and is correspondingly connected to the cylinder connecting seat.

5. The adjustable gripping assembly of the manipulator according to claim 4, characterized in that: A guide plate is arranged at the lower end of the connecting screw rod, and a plurality of guide holes are arranged on the guide plate at equal intervals.

6. The adjustable gripping assembly of the manipulator according to claim 5, characterized in that: A plurality of guide rods are arranged on the top of the cylinder connection seat and pass through the guide holes accordingly.

7. The adjustable gripping assembly of the manipulator according to claim 6, characterized in that: The guide rod is also provided with a limit block above the guide plate.

8. The adjustable gripping assembly of the manipulator according to claim 1, characterized in that: The adjustment assembly includes a semicircular connecting piece, a U-shaped connecting seat and a locking bolt assembly.

9. The adjustable gripping assembly of the manipulator according to claim 8, characterized in that: The flat end of the semicircular connector is connected to the driving end of the grabbing cylinder, the opening of the U-shaped connector is set upward and the bottom is connected to the vacuum suction cup, and a penetrating connecting hole is set in the center of the semicircular connector and the centers of the two opposite sides of the U-shaped connector, and the locking bolt assembly passes through the connecting holes to lock and fix.

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