Novel self-adaptive clamping jaw with built-in driver

Abstract

The novel self-adaptive clamping jaw with the built-in driver belongs to the technical field of material clamping and comprises a main body shell, a main body upper end cover and a main body lower end cover are arranged on the main body shell, a motor sliding rail connecting piece is arranged in the main body shell, a motor is connected to one end of the motor sliding rail connecting piece, and the motor is connected to the other end of the motor sliding rail connecting piece. A motor sliding rail connecting piece is arranged at one end of the main body, a main shaft of the motor penetrates through the motor sliding rail connecting piece, a gear is arranged on the main shaft of the motor, a sliding rail is arranged at the other end of the motor sliding rail connecting piece, two rack chucks are arranged in the sliding rail, the two rack chucks are meshed with the gear, and the rack chucks slide on the lower end cover of the main body. The opening and closing stroke of the clamping jaw is greatly improved under the same size, so that a driver is built in, the torque and speed are adjusted by dialing, an upper computer does not need to be connected, and the operation is simple.

Description

Technical Field

[0001] The invention belongs to the technical field of material clamping, and in particular relates to a novel self-adaptive clamping claw with built-in drive. Background Art

[0002] In modern industrial production, the variety of products is increasing, and the shapes, sizes and materials of workpieces are diverse. For example, in the manufacture of electronic equipment, it is necessary to process circuit boards of various shapes, tiny electronic components, and housings of different sizes. Traditional fixed-size and fixed-shape grippers are difficult to meet the needs of efficient and precise grasping of these diverse workpieces. Adaptive grippers came into being, which can automatically adjust the grasping method according to the shape and size of different workpieces to improve production efficiency.

[0003] Most of the existing gripper transmission mechanisms use a cross roller cage in conjunction with a gear rack and a slide rail for transmission and limiting. However, this mechanism requires the use of a cross roller cage and a certain holding force. The cross roller cage requires a certain holding force, so this pin is needed to support the racks on both sides so that the cross rollers have a certain holding force, thereby using pins of different sizes to eliminate the shaking gap between the fingers.

[0004] However, the existing pin structure always needs to support the racks on both sides, so the existence of the pin greatly affects the opening and closing stroke of the clamp under the same volume, and the cost of using a cross roller cage to limit the position will also be very high.

[0005] Invention content

[0006] The new embodiment of the present invention provides a new type of adaptive gripper with built-in drive to solve the problems in the prior art.

[0007] A new embodiment of the present invention adopts the following technical solution: a new type of built-in driven adaptive clamp, including a main body shell, on which a main body upper end cover and a main body lower end cover are respectively provided, a motor slide rail connecting piece is provided in the main body shell, the motor is connected to one end of the motor slide rail connecting piece, the main shaft of the motor passes through the motor slide rail connecting piece, and a gear is provided on the main shaft of the motor, a slide rail is provided at the other end of the motor slide rail connecting piece, two rack chucks are provided in the slide rail, the two rack chucks are meshed with the gear, and the rack chuck slides on the lower end cover of the main body.

[0008] According to a further technical solution, the rack chuck is provided with two ball grooves, the slide rails are respectively provided with an upper slide groove and a lower slide groove, and the upper slide groove and the lower slide groove are both provided with a plurality of balls arranged at equal intervals.

[0009] According to a further technical solution, both ends of the rack chuck are provided with ball stops.

[0010] According to a further technical solution, the rack chuck is a Z-shaped structure.

[0011] According to a further technical solution, the length of the slide rail is twice the length of the rack chuck.

[0012] According to a further technical solution, a sliding groove for slidingly engaging the rack chuck is provided on the lower end cover of the main body.

[0013] According to a further technical solution, the motor is provided with a control board electrically connected thereto.

[0014] According to a further technical solution, a wire pressing cover is provided on the main shell.

[0015] At least one of the above technical solutions adopted in the new embodiment of the present invention can achieve the following beneficial effects:

[0016] Firstly, during the use of the new invention, the motor drives the gear to rotate, and the rotation of the gear can drive the two rack clamps to move toward or relative to each other in the slide rail, thereby realizing the clamping of materials, and greatly improving the opening and closing stroke of the clamp under the same volume, so that the drive is built-in, and the torque and speed can be adjusted by dialing, without connecting to the upper computer, the operation is simple, and the required clamping materials can be quickly adapted to the clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a schematic diagram of the novel three-dimensional structure of the present invention;

[0019] Figure 2 This is a split diagram of the novel three-dimensional structure of the present invention;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the novel middle rack chuck and the slide rail of the present invention;

[0021] Reference numerals

[0022] Main body shell 1, main body upper end cover 2, main body lower end cover 3, rack chuck 4, ball stopper 5, ball 6, gear 7, slide rail 8, motor slide rail connector 9, wire pressing cover 10, motor 11, control board 12, ball groove 13, upper slide groove 14, lower slide groove 15, slide groove 16. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the new type of the present invention clearer, the new technical solution of the present invention will be clearly and completely described below in combination with the specific embodiments of the new type of the present invention and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the new type of the present invention, not all of the embodiments. Based on the embodiments of the new type of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the new type of the present invention.

[0024] The technical solutions provided by various embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] Reference Figures 1 to 3 As shown, a new embodiment of the present invention provides a new type of built-in driven adaptive clamp, including a main body shell 1, on which a main body upper end cover 2 and a main body lower end cover 3 are respectively provided, a motor slide rail connector 9 is provided in the main body shell 1, the motor 11 is connected to one end of the motor slide rail connector 9, the main shaft of the motor 11 passes through the motor slide rail connector 9, and a gear 7 is provided on the main shaft of the motor 11, a slide rail 8 is provided at the other end of the motor slide rail connector 9, two rack chucks 4 are provided in the slide rail 8, the two rack chucks 4 are meshed with the gear 7, and the rack chuck 4 slides on the main body lower end cover 3.

[0026] During use, the motor 11 drives the gear 7 to rotate, and the rotation of the gear 7 can drive the two rack clamps 4 to move toward or relative to each other in the slide rail 8, thereby realizing the clamping of materials, and greatly improving the opening and closing stroke of the clamp under the same volume, making the drive built-in, and realizing the dial adjustment of torque and speed, without the need to connect to the host computer, and simple operation.

[0027] Specifically, two ball grooves 13 are provided on the rack chuck 4, and an upper groove 14 and a lower groove 15 are provided in the slide rail 8. A plurality of balls 6 are arranged at equal intervals in each of the upper groove 14 and the lower groove 15.

[0028] During the sliding process between the rack chuck 4 and the slide rail 8, a plurality of balls 6 slide left and right between the corresponding upper slide groove 14 and the ball groove 13, and the lower slide groove 15 and the ball groove 13, respectively. The balls 6 are used for sliding to reduce friction. The balls 6 are in point contact or line contact with the contact surface. Compared with the traditional sliding friction (surface contact), the balls 6 convert the sliding friction into rolling friction. According to the principle of tribology, the rolling friction coefficient is much smaller than the sliding friction coefficient.

[0029] In order to improve the motion accuracy and increase the service life during use

[0030] Under the same pressure conditions, the sliding friction coefficient between metals may be between 0.1-0.5, while the rolling friction coefficient can be reduced to 0.001-0.01.

[0031] Specifically, both ends of the rack chuck 4 are provided with ball stoppers 5; the position of the ball stoppers 5 ensures that during the rotation process, the plurality of needle rollers only slide in the two ball grooves 13, and the positions of the plurality of balls 6 are limited, so that the disorderly movement of the balls 6 will not affect the movement of the rack chuck 4 on the slide rail 8. The balls 6 can be prevented from escaping from the raceway when rotating or subjected to a large axial force, and the balls 6 can be ensured to roll accurately according to the predetermined trajectory, so that the rack chuck 4 can perform accurate linear movement, and the limit can make the balls 6 rotate in a specific and ideal raceway, avoiding the friction between the balls 6 and the non-ideal contact surface.

[0032] Specifically, the rack chuck 4 is a Z-shaped structure. The rack chuck with a Z-shaped structure can contact the clamped object in multiple directions. Compared with a chuck with a simple structure, its unique shape can provide more contact points or contact areas. For example, when clamping a cylindrical workpiece, different parts of the Z-shaped structure can contact the workpiece from different directions such as the side and the top, so that the workpiece is not easy to rotate or deviate in the chuck, thereby improving the stability of clamping.

[0033] Specifically, the length of the slide rail 8 is twice the length of the rack chuck 4; during the process of clamping the material, the rack chuck 4 can slide horizontally in the slide rail 8 to ensure the sliding stroke of the rack chuck 4 and can clamp the material of the length of the rack chuck 4.

[0034] Specifically, the main body lower end cover 3 is provided with a sliding groove 16 for the rack clamp 4 to slide with; the clamping end of the rack clamp 4 slides horizontally in the sliding groove, and the clamping range and distance of the rack clamp 4 can also be limited.

[0035] Specifically, the motor 11 is provided with a control board 12 electrically connected thereto, through which the motor 11 can be precisely controlled and switched on and off, so as to adjust the torque and speed during the material clamping process, without the need to connect to a host computer, and the operation is simple.

[0036] Specifically, the main housing 1 is provided with a wire crimping cover 10, which can organize and arrange the wires connected to the motor 11, thereby preventing the wires from being randomly placed and causing confusion.

[0037] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A new type of adaptive gripper with built-in drive, It is characterized in that It comprises a main body shell (1), on which a main body upper end cover (2) and a main body lower end cover (3) are respectively provided; A motor slide rail connector (9) is provided in the main body housing (1), and the motor (11) is connected to one end of the motor slide rail connector (9); The main shaft of the motor (11) passes through the motor slide rail connector (9), and a gear (7) is provided on the main shaft of the motor (11); The other end of the motor slide rail connector (9) is provided with a slide rail (8), and two rack clamps (4) are provided inside the slide rail (8), and the two rack clamps (4) are meshed with the gear (7); The rack clamp (4) slides on the lower end cover (3) of the main body.

2. A novel self-adaptive gripper with built-in drive according to claim 1, Features: The rack chuck (4) is provided with two ball grooves (13), and the slide rail (8) is provided with an upper slide groove (14) and a lower slide groove (15), and a plurality of balls (6) arranged at equal intervals are provided in the upper slide groove (14) and the lower slide groove (15).

3. A novel self-adaptive gripper with built-in drive according to claim 1, Features: Ball stoppers (5) are provided at both ends of the rack chuck (4).

4. A novel self-adaptive gripper with built-in drive according to claim 1, Features: The rack chuck (4) is a Z-shaped structure.

5. A novel self-adaptive gripper with built-in drive according to claim 1, Features: The length of the slide rail (8) is twice the length of the rack clamp (4).

6. A novel self-adaptive gripper with built-in drive according to claim 1, Features: The main body lower end cover (3) is provided with a sliding groove (16) for the rack clamp (4) to slide with.

7. A novel self-adaptive gripper with built-in drive according to claim 1, Features: The motor (11) is provided with a control board (12) electrically connected thereto.

8. A novel self-adaptive gripper with built-in drive according to claim 1, Features: The main body shell (1) is provided with a wire pressing cover (10).

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