CN221677133U - A multi-degree-of-freedom workbench - Google Patents

Abstract

A multi-degree-of-freedom workbench comprises a rotating workbench, an adjustable base and a clamping mechanism; the rotating workbench is equipped with an adjustable base; the adjustable base comprises a mounting seat, and the top of the mounting seat is slidably engaged with two sliders through a slide rail; a clamping mechanism is installed on the top of the slider, and a slot is provided on the top of the clamping mechanism fixed seat, and clamping blocks are hinged at both ends of the slot, and the fixed seat is fastened with a T-shaped shaft corresponding to the position between the two clamping blocks, and the vertical shaft body of the T-shaped shaft is slidably engaged with a sliding sleeve, and the clamping block is provided with an arc groove on one side of the sliding sleeve, and the sliding sleeve body is provided with a convex shaft that is movably engaged with the corresponding arc groove; the clamping mechanism of the utility model squeezes the sliding sleeve downward and self-locks through the cam handle to realize clamping and locking of the two clamping claws, and there is no need to lay a ventilation pipeline. The workpiece is driven to rotate through the rotating workbench, which meets the cooperation requirements of the collaborative robot and can also meet the requirements of manual operation.

Description

A multi-degree-of-freedom workbench

Technical Field

The utility model relates to the technical field of intelligent manufacturing, in particular to a multi-degree-of-freedom workbench.

Background Art

It is well known that with the continuous development of intelligent manufacturing technology, the traditional manual single-station assembly mode in factories has been gradually eliminated, and replaced by a single-piece continuous flow production line mode with human-machine collaboration; however, the existing workbench has little freedom and it is difficult to meet the coordination requirements of collaborative robots in the assembly process; in addition, the existing workbench clamping actuators mostly use clamping cylinders, but the clamping cylinders must be ventilated when used, which is inconvenient to flow with the production line, and the ventilation pipes are also suitable for winding; although there are also pressure-maintaining devices on the market that can achieve continuous pressure maintenance after ventilation, the cost of use is relatively high;

A Chinese patent (publication number: CN207982207U) discloses a rotating device that facilitates large-scale clamping by a robot; the patent includes a first rotating device, a second rotating device and a clamping claw, the first rotating device and the second rotating device are connected, the clamping claw is installed on the second rotating device, the first rotating device is used to drive the clamping claw to rotate in the horizontal direction, and the second rotating device is used to drive the clamping claw to rotate in the vertical direction; however, the patent cannot be applied to continuous flow production systems such as the double-speed chain commonly used in the industry.

Utility Model Content

In order to overcome the deficiencies in the background technology, the utility model discloses a multi-degree-of-freedom workbench.

In order to achieve the above-mentioned invention object, the utility model adopts the following technical solutions:

A multi-degree-of-freedom workbench comprises a rotating workbench, an adjustable base and a clamping mechanism; the rotating workbench is installed with an adjustable base; the adjustable base comprises a mounting seat, and the top of the mounting seat is slidably matched with two sliders through a slide rail; a screw nut mechanism is provided in the mounting seat for driving the two sliders to move away from or approach each other; a clamping mechanism is installed on the top of the slider, and the clamping mechanism comprises a fixed seat, the bottom of the fixed seat is tightly connected to the corresponding slider, and a slot is provided on the top of the fixed seat, and clamping blocks are hinged at both ends of the slot, and a clamping claw is provided on the top of the clamping block, and a T-shaped shaft is tightly connected to the fixed seat corresponding to the position between the two clamping blocks, and the vertical shaft body of the T-shaped shaft is slidably matched with a sliding sleeve, and an arc groove is provided on the side of the clamping block corresponding to the sliding sleeve, and the sliding sleeve body is provided with a convex shaft that is movably engaged with the corresponding arc groove; the horizontal shaft body of the T-shaped shaft is rotatably connected with a cam handle for pushing the sliding sleeve to move downward.

Preferably, the rotating workbench includes a base, a U-shaped frame I is rotatably connected to the top of the base, a motor for driving the U-shaped frame I to rotate is provided in the base, a U-shaped frame II is provided in the U-shaped frame I, two corner ends of the U-shaped frame II are respectively rotatably connected to the two corner ends of the U-shaped frame I through a rotating shaft, and a servo motor for driving the U-shaped frame II to rotate along a vertical plane is provided on one side of the U-shaped frame I; the adjustable base is tightly connected to the closed end of the U-shaped frame II.

Preferably, a contoured rubber block or a nylon block is provided on the inner side of the clamping jaw.

Preferably, the clamping jaw is detachably connected to the clamping block.

Preferably, a driving motor for driving a lead screw nut machine is provided on one side of the bottom of the mounting seat.

Preferably, a spring is provided on the shaft body between the T-shaped shaft corresponding to the sliding sleeve and the fixing seat.

Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:

The utility model discloses a multi-degree-of-freedom workbench with a simple structure and low production cost. When in use, the rotating workbench is installed on the corresponding workstation of the double-speed chain conveyor line, and the double-speed chain conveyor line drives the rotating workbench to move along the production line. The distance between the two clamping mechanisms is adjusted by the adjustable base, the workpiece is clamped by the two clamping mechanisms, and the workpiece is driven to rotate by the rotating workbench, thereby meeting the cooperation requirements of the collaborative robot and the manual operation requirements. The clamping mechanism rotates along the horizontal axis of the T-axis through the cam handle to extrude the sliding sleeve downward and realize self-locking, thereby achieving the purpose of clamping and locking the two jaws, and there is no need to lay a ventilation pipeline.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is a schematic diagram of the structure of an adjustable base;

FIG. 3 is a schematic structural diagram of a clamping mechanism.

In the figure: 1. Rotating workbench; 1-1. Base; 1-2. U-shaped frame I; 1-3. U-shaped frame II; 2. Adjustable base; 2-1. Mounting seat; 2-2. Slider; 3. Clamping mechanism; 3-1. Fixed seat; 3-2. Clamping block; 3-3. T-shaped shaft; 3-4. Sliding sleeve; 3-5. Cam shaft; 3-6. Cam handle; 3-7. Clamping claw.

DETAILED DESCRIPTION

The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

Embodiment 1, in conjunction with Figures 1 to 3, a multi-degree-of-freedom workbench comprises a rotating workbench, an adjustable base and a clamping mechanism; the rotating workbench is installed with an adjustable base, and the rotating workbench can drive the adjustable base to rotate, which is convenient for production and assembly; the adjustable base comprises a mounting seat, and the top of the mounting seat is slidably matched with two sliders through a slide rail; a screw nut mechanism for driving the two sliders to move away from or close to each other is provided in the mounting seat, that is, the distance between the two sliders can be adjusted by the screw nut mechanism; as needed, a driving motor for driving the screw nut machine is provided on one side of the bottom of the mounting seat, that is, the distance between the two clamping mechanisms can be automatically adjusted by the driving motor;

A clamping mechanism is installed on the top of the slider, and the clamping mechanism includes a fixed seat, the bottom of the fixed seat is tightly connected to the corresponding slider, the top of the fixed seat is provided with a slot, both ends of the slot are hinged with clamping blocks, and the top of the clamping block is provided with a clamping claw, and the fixed seat is tightly connected with a T-shaped shaft corresponding to the position between the two clamping blocks, and the vertical shaft body of the T-shaped shaft is slidably matched with a sliding sleeve, and the side of the clamping block corresponding to the sliding sleeve is provided with an arc groove, and the sliding sleeve body is provided with a convex shaft that is movably engaged with the corresponding arc groove, that is, the sliding sleeve can drive the convex shaft to move up and down, and the convex shaft drives the corresponding clamping block to deflect, thereby achieving the purpose of clamping or loosening the two clamping claws; the horizontal shaft body of the T-shaped shaft is rotatably connected to a cam handle for pushing the sliding sleeve to move downward, that is, the cam handle rotates along the horizontal shaft body of the T-shaped shaft to squeeze the sliding sleeve to move downward and achieve self-locking, thereby achieving the purpose of clamping and locking the two clamping claws;

When in use, the rotary worktable can be installed on the corresponding workstation of the double-speed chain conveyor line, and the double-speed chain conveyor line drives the rotary worktable to move along the production line. The distance between the two clamping mechanisms is adjusted by the adjustable base, the workpiece is clamped by the two clamping mechanisms, and the workpiece is driven to rotate by the rotary worktable.

Embodiment 2, in combination with Figures 1 to 3, a multi-degree-of-freedom workbench, which is different from Embodiment 1 in that, based on Embodiment 1, the rotating workbench includes a base, a U-shaped frame I is rotatably connected to the top of the base, a motor for driving the U-shaped frame I to rotate is provided in the base, a U-shaped frame II is provided in the U-shaped frame I, two corner ends of the U-shaped frame II are respectively rotatably connected to the two corner ends of the U-shaped frame I through a rotating shaft, and a servo motor for driving the U-shaped frame II to rotate along a vertical plane is provided on one side of the U-shaped frame I; the adjustable base is tightly connected to the closed end of the U-shaped frame II, that is, the U-shaped frame I can be driven to rotate by the motor, the U-shaped frame I drives the U-shaped frame II to rotate along the horizontal plane, and at the same time, the U-shaped frame II can be driven to rotate along the vertical plane by the servo motor, thereby providing multiple processing or assembly angles for the workpiece.

Embodiment 3, in combination with Figures 1 to 3, a multi-degree-of-freedom workbench, based on Embodiment 1 or 2, the inner side of the clamping jaw is provided with a contoured rubber block or a nylon block, which can stably clamp the workpiece while avoiding damage to the workpiece; the clamping jaw and the clamping block are detachably connected, that is, the clamping jaw can be replaced as needed, thereby improving practicality; the T-shaped shaft corresponds to the shaft body sleeve between the sliding sleeve and the fixed seat, that is, after unlocking the cam handle, the sliding sleeve can automatically move up under the action of the spring, thereby pushing the two clamping jaws to open automatically, which is convenient for the operator to operate.

The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims (6)

1. A multi-degree-of-freedom workbench, characterized in that: it comprises a rotating workbench (1), an adjustable base (2) and a clamping mechanism (3); the rotating workbench (1) is installed with an adjustable base (2); the adjustable base (2) comprises a mounting seat (2-1), and two sliders (2-2) are slidably matched on the top of the mounting seat (2-1) through a slide rail; a screw nut mechanism for driving the two sliders (2-2) to move away from or close to each other is arranged in the mounting seat (2-1); a clamping mechanism (3) is installed on the top of the slider (2-2), and the clamping mechanism (3) comprises a fixed seat (3-1), and the bottom of the fixed seat (3-1) is tightly connected to the corresponding slider (2-2). The fixing seat (3-1) is fixedly connected, a slot is provided on the top of the fixing seat (3-1), clamping blocks (3-2) are hinged at both ends of the slot, a clamping claw (3-7) is provided on the top of the clamping block (3-2), a T-shaped shaft (3-3) is tightly connected to the fixing seat (3-1) at a position corresponding to the position between the two clamping blocks (3-2), a sliding sleeve (3-4) is slidably matched with the vertical shaft body of the T-shaped shaft (3-3), an arc groove is provided on one side of the clamping block (3-2) corresponding to the sliding sleeve (3-4), and a convex shaft (3-5) movably engaged with the corresponding arc groove is provided on the sleeve body of the sliding sleeve (3-4); and a cam handle (3-6) for pushing the sliding sleeve (3-4) to move downward is rotatably connected to the horizontal shaft body of the T-shaped shaft (3-3). 2. The multi-degree-of-freedom workbench as described in claim 1 is characterized in that: the rotating workbench (1) comprises a base (1-1), the top of the base (1-1) is rotatably connected to a U-shaped frame I (1-2), a motor is provided inside the base (1-1) for driving the U-shaped frame I (1-2) to rotate, a U-shaped frame II (1-3) is provided inside the U-shaped frame I (1-2), two corner ends of the U-shaped frame II (1-3) are respectively rotatably connected to the two corner ends of the U-shaped frame I (1-2) through a rotating shaft, and a servo motor is provided on one side of the U-shaped frame I (1-2) for driving the U-shaped frame II (1-3) to rotate along a vertical plane; the adjustable base (2) is tightly connected to the closed end of the U-shaped frame II (1-3). 3. The multi-degree-of-freedom workbench as described in claim 1 is characterized in that: a contoured rubber block or a nylon block is provided on the inner side of the clamping jaw (3-7). 4. The multi-degree-of-freedom workbench as described in claim 1 is characterized in that the clamping claw (3-7) and the clamping block (3-2) are detachably connected. 5. The multi-degree-of-freedom workbench as described in claim 1 is characterized in that a driving motor for driving a screw nut machine is provided on one side of the bottom of the mounting seat (2-1). 6. The multi-degree-of-freedom workbench according to claim 1, characterized in that: a spring is provided on the shaft body between the T-shaped shaft (3-3) corresponding to the sliding sleeve (3-4) and the fixed seat (3-1).