CN214981145U

CN214981145U - Robot clamping jaw with screw rod structure

Info

Publication number: CN214981145U
Application number: CN202121570094.8U
Authority: CN
Inventors: 高开伟
Original assignee: Taicang Hengqi Mechanical Equipment Co ltd
Current assignee: Taicang Hengqi Mechanical Equipment Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-03
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a robot clamping jaw with screw rod structure, which belongs to the technical field of robot parts and comprises a first clamping jaw, a second clamping jaw, a fixed seat and a screw rod, wherein a motor is arranged in the fixed seat, the top end of the screw rod is arranged on the fixed seat in a penetrating way and is connected with the motor drive, and a nut block is sleeved on the outer side of the screw rod; the top ends of the first clamping jaw and the second clamping jaw are respectively provided with a first connecting block and a second connecting block, the top end of the first connecting block is respectively connected with the bottom end of the screw rod and the nut block through a first connecting rod and a second connecting rod, and the first connecting block is rotatably connected with the first connecting rod and the second connecting rod; the top end of the second connecting block is connected with the bottom end of the screw rod and the nut block through a third connecting rod and a fourth connecting rod respectively, and the second connecting block is connected with the third connecting rod and the fourth connecting rod in a rotating mode. The robot clamping jaw with the screw rod structure is driven by the motor to rotate by the screw rod, so that the clamping jaw is driven to clamp a workpiece, and the movement precision is high.

Description

Robot clamping jaw with screw rod structure

Technical Field

The utility model belongs to the technical field of the robot part, specifically, relate to a robot clamping jaw with screw rod structure.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling. Because of its unique operational flexibility, it has been widely used in the fields of industrial assembly, safety and explosion protection. With the rapid development of industry, the automation degree is higher and higher, and a plurality of manufacturing enterprises adopt robots to replace manual operation; when robots are used in industry instead of manual operation, gripping jaws are provided at the end of the robot arm to grip and transfer objects.

In the prior art, a clamping jaw is driven by a cylinder to carry out clamping or loosening operation; because the robot clamping jaw needs to carry out high-precision multipoint positioning when being matched with a production line to carry out automatic operation, and the precision control of the air cylinder is not as good as that of a motor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a robot clamping jaw with screw rod structure, this kind of robot clamping jaw with screw rod structure is rotated by motor drive screw rod, drives the clamping jaw and carries out the centre gripping operation to the work piece, and the motion precision is high.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a robot clamping jaw with a screw rod structure comprises a first clamping jaw, a second clamping jaw, a fixed seat and a screw rod, wherein two sides of the lower surface of the fixed seat are respectively provided with opposite side plates, the bottoms of the side plates are connected through a bottom plate, a motor is arranged in the fixed seat, the top end of the screw rod is arranged between the pair of side plates in a penetrating mode and is connected with the fixed seat in a motor driving mode, the bottom end of the screw rod is arranged on the bottom plate, and a nut block is sleeved on the outer side of the screw rod;

the top ends of the first clamping jaw and the second clamping jaw are respectively provided with a first connecting block and a second connecting block, the top end of the first connecting block is respectively connected with the bottom plate and the nut block through a first connecting rod and a second connecting rod, and the first connecting block is rotatably connected with the first connecting rod and the second connecting rod; the top end of the second connecting block is connected with the bottom plate and the nut block through a third connecting rod and a fourth connecting rod respectively, and the second connecting block is connected with the third connecting rod and the fourth connecting rod in a rotating mode.

Further, nut piece lower surface is equipped with the fourth connecting block, fourth connecting block both sides are located respectively to second connecting rod and fourth connecting rod equally divide.

Further, the bottom plate lower surface is equipped with the third connecting block, the head rod all rotates with the third connecting block with the third connecting rod and links to each other.

Furthermore, a connecting seat is arranged at the top of the fixed seat.

Furthermore, the inner sides of the first clamping jaw and the second clamping jaw are both provided with anti-skid layers.

Furthermore, the anti-skid layer is a sawtooth surface.

Further, the anti-slip layer is a silica gel layer.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model provides a pair of robot clamping jaw with screw rod structure, this kind of robot clamping jaw with screw rod structure are rotated by motor drive screw rod, drive the clamping jaw and carry out the centre gripping operation to the work piece, and the motion precision is high.

Drawings

Fig. 1 is a structure diagram of a robot clamping jaw with a screw rod structure.

In the figure: the clamping device comprises a first clamping jaw 1, a first connecting block 11, a first connecting rod 12, a second connecting rod 13, a second clamping jaw 2, a second connecting block 21, a third connecting rod 22, a fourth connecting rod 23, a fixed seat 3, a side plate 31, a bottom plate 32, a third connecting block 33, a screw rod 4, a motor 41, a nut block 42, a fourth connecting block 43, a connecting seat 5 and an anti-skid layer 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further elucidated with reference to the drawings and the embodiments.

Examples

As shown in fig. 1, a robot clamping jaw with a screw structure comprises a first clamping jaw 1, a second clamping jaw 2, a fixed seat 3 and a screw rod 4, wherein a connecting seat 5 is arranged at the top of the fixed seat 3, two sides of the lower surface of the fixed seat 3 are respectively provided with opposite side plates 31, the bottoms of the side plates 31 are connected through a bottom plate 32, a motor 41 is arranged in the fixed seat 3, the top end of the screw rod 4 is penetrated through the fixed seat 3 and is connected with the motor 41 in a driving manner and is arranged between the pair of side plates 31, the bottom end of the screw rod 4 is arranged on the bottom plate 32, and a nut block 42 is sleeved on the outer side of the screw rod 4;

the top ends of the first clamping jaw 1 and the second clamping jaw 2 are respectively provided with a first connecting block 11 and a second connecting block 21, the top end of the first connecting block 11 is respectively connected with the bottom plate 32 and the nut block 42 through a first connecting rod 12 and a second connecting rod 13, and the first connecting block 11 is rotatably connected with the first connecting rod 12 and the second connecting rod 13; the top end of the second connecting block 21 is respectively connected with the bottom plate 32 and the nut block 42 through a third connecting rod 22 and a fourth connecting rod 23, and the second connecting block 21 is rotatably connected with the third connecting rod 22 and the fourth connecting rod 23; a fourth connecting block 43 is arranged on the lower surface of the nut block 42, and the second connecting rod 13 and the fourth connecting rod 23 are respectively arranged on two sides of the fourth connecting block 43; the lower surface of the bottom plate 32 is provided with a third connecting block 33, and the first connecting rod 12 and the third connecting rod 22 are rotatably connected with the third connecting block 33.

The inner sides of the first clamping jaw 1 and the second clamping jaw 2 are both provided with anti-skidding layers 6, the anti-skidding layers 6 with the surfaces not prone to abrasion are arranged to be sawtooth surfaces, or silica gel layers can be arranged to protect objects with the surfaces prone to abrasion.

When the robot clamping jaw with the screw rod structure works, the clamping jaw can be connected with a robot by the connecting seat 5, the motor 41 is started, the motor 41 drives the screw rod 4 to rotate, the nut block 42 moves upwards along the screw rod 4, and the second connecting rod 13 drives the first connecting block 11 and the first clamping jaw 1 to move upwards; the third connecting rod 23 drives the second connecting block 21 and the second clamping jaw 2 to move upwards, and in the process of moving upwards, the first connecting rod 12 and the third connecting rod 22 rotate around the third connecting block 33, so that the transverse distance between the first clamping jaw 1 and the second clamping jaw 2 is reduced, an object can be clamped, and the clamping force can be adjusted through the motor 41; when the workpiece needs to be loosened, the motor 41 is rotated in the reverse direction.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a robot clamping jaw with screw rod structure which characterized in that: the clamping device comprises a first clamping jaw (1), a second clamping jaw (2), a fixed seat (3) and a screw rod (4), wherein two sides of the lower surface of the fixed seat (3) are respectively provided with opposite side plates (31), the bottoms of the side plates (31) are connected through a bottom plate (32), a motor (41) is arranged in the fixed seat (3), the top end of the screw rod (4) is penetrated through the fixed seat (3) and is connected with the motor (41) in a driving way and is arranged between the pair of side plates (31), the bottom end of the screw rod (4) is arranged on the bottom plate (32), and a nut block (42) is sleeved on the outer side of the screw rod (4);

the top ends of the first clamping jaw (1) and the second clamping jaw (2) are respectively provided with a first connecting block (11) and a second connecting block (21), the top end of the first connecting block (11) is respectively connected with the bottom plate (32) and the nut block (42) through a first connecting rod (12) and a second connecting rod (13), and the first connecting block (11) is rotatably connected with the first connecting rod (12) and the second connecting rod (13); the top end of the second connecting block (21) is connected with the bottom plate (32) and the nut block (42) through a third connecting rod (22) and a fourth connecting rod (23) respectively, and the second connecting block (21) is connected with the third connecting rod (22) and the fourth connecting rod (23) in a rotating mode.

2. A robot jaw with screw structure according to claim 1, characterized in that: nut piece (42) lower surface is equipped with fourth connecting block (43), fourth connecting block (43) both sides are located respectively to second connecting rod (13) and fourth connecting rod (23).

3. A robot jaw with screw structure according to claim 1, characterized in that: bottom plate (32) lower surface is equipped with third connecting block (33), head rod (12) and third connecting rod (22) all rotate with third connecting block (33) and link to each other.

4. A robot jaw with screw structure according to claim 1, characterized in that: the top of the fixed seat (3) is provided with a connecting seat (5).

5. A robot jaw with screw structure according to claim 1, characterized in that: the inner sides of the first clamping jaw (1) and the second clamping jaw (2) are both provided with an anti-skid layer (6).

6. A robot jaw with screw structure according to claim 5, characterized in that: the anti-skid layer (6) is a sawtooth surface.

7. A robot jaw with screw structure according to claim 5, characterized in that: the anti-skid layer (6) is a silica gel layer.