Automatic feeding and discharging gripper device of machine tool and using method

Abstract

The automatic feeding and discharging gripper device comprises a robot flange, a feeding bottom plate is arranged on the portion, close to the top, of the left side of the robot flange, a motor tightening device is arranged on the left side of the feeding bottom plate, a motor mounting plate is arranged on the left side of the motor tightening device, and a synchronous belt wheel driving device is arranged on one side of the motor mounting plate. The device has the advantages of being compact in structure, reasonable in transmission, comprehensive in function, easy and convenient to operate and the like. A unique group feeding and clamping technology is adopted, and durability and safety are fully considered in structural design according to the automatic feeding and clamping requirements suitable for parts with certain size changes. By optimizing the structural design and the process manufacturing, the failure rate and the maintenance cost of the device are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic loading and unloading of machine tools, and in particular to a hand gripper device for automatic loading and unloading of machine tools and a use method thereof. Background Art

[0002] With the continuous development of the manufacturing industry, improving production efficiency and reducing labor costs in industrial production have become the focus of enterprises. With the advancement of science and technology and the improvement of automation level, the application of automation and intelligent technology, especially in the loading and unloading of machine tools, has become the key to the transformation and upgrading of enterprises.

[0003] Modern manufacturing has higher and higher requirements for product precision and stability. The automatic gripper for loading and unloading machine tools can meet the needs of high-precision production, reduce error rates, and improve product quality through precise control systems and advanced clamping technology. In the traditional machine tool unloading industry, automatic loading and unloading of circular gear parts usually uses pneumatic fingers to clamp a single workpiece to achieve automatic loading and processing of machine tools. It is often necessary to replace automatic clamping gripper devices of different specifications or adjust equipment parameters, which not only increases the difficulty and cost of operation, but also reduces production efficiency. In addition, due to the diversity of circular gears, the compatibility of automatic loading and unloading gripper equipment often becomes an important factor restricting the development of enterprises.

[0004] With the continuous development and improvement of automation technology, the automatic loading and unloading technology of machine tools is also constantly innovating and improving. Therefore, the present invention proposes a hand gripper device for automatic loading and unloading of machine tools, thereby bringing greater convenience and benefits to industrial production. Summary of the invention

[0005] The object of the present invention is to provide a machine tool automatic loading and unloading gripper device and a method of use to solve the problems mentioned in the above background technology.

[0006] The technical solution of the present invention is an automatic loading and unloading gripper device for a machine tool, comprising a robot flange, a loading base plate is provided near the top on the left side of the robot flange, a motor tightening device is provided on the left side of the loading base plate, a motor mounting plate is provided on the left side of the motor tightening device, a synchronous pulley is provided on one side of the motor mounting plate, a synchronous belt is provided on the top of the synchronous pulley, a synchronous belt is provided on the top of the synchronous belt, and a side plate is provided on the top of the synchronous pulley.

[0007] In one embodiment, a material unloading base plate is provided near the top on the right side of the robot flange, a servo motor is provided on the right side of the material unloading base plate, a fixed plate is provided on the top of the servo motor, a linear guide rail is provided on the top of the fixed plate, a fork is provided on the top of the linear guide rail, and a core shaft is provided on the top of the fork.

[0008] In one embodiment, a protective cover is provided on the right side of the robot flange, a ball screw is provided on the rear side of the protective cover, and a fixed side bearing seat is provided on the rear side of the ball screw.

[0009] In one embodiment, a fork connecting plate is provided at the rear side of the fixed-side bearing seat, and a supporting-side bearing seat is provided at the rear side of the fork connecting plate.

[0010] In one embodiment, a gear workpiece is provided on the outer edge of the robot flange.

[0011] A method for using a hand gripper device for automatic loading and unloading of a machine tool comprises the following steps:

[0012] S1: First, the operator places the group of workpieces on the pallet (the pallet has a vertical spindle), and the robot moves the gripper to a fixed position, with the gripper spindle coaxial with the workpiece spindle on the pallet;

[0013] S2: Then the shift fork moves to the clamping zero point, and the servo motor drives the ball screw to rotate and drive the shift fork to move;

[0014] S3: Finally, the shift fork moves the grouped workpieces along the direction of the gripper mandrel and clamps the grouped workpieces to the fixed side of the mandrel to realize the grouped workpiece grabbing function, and the servo motor reverses to realize the grouped workpiece unloading function.

[0015] The beneficial effects provided by the present invention are:

[0016] The present invention has the advantages of compact structure, reasonable transmission, comprehensive functions, and easy operation. Through the unique structural design, transmission design, guide design, clamping mode design, and the use of servo motors to achieve precise position control and other design features, the hand gripper device can solve the difficulties in group loading and unloading of circular gears and disc parts, and has excellent performance in terms of work efficiency, stability, and service life. The present invention adopts a unique group loading and clamping technology, which can meet the automatic loading and clamping requirements of parts with certain size changes, and fully considers durability and safety in structural design. By optimizing the structural design and process manufacturing, the failure rate and maintenance cost of the device are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the present invention;

[0018] Figure 2 A top view of the present invention;

[0019] Figure 3 It is a schematic diagram of the structure of the gear workpiece component of the present invention.

[0020] In the attached drawings, 1. robot flange; 2. loading base plate; 3. unloading base plate; 4. servo motor; 5. motor mounting plate; 6. active synchronous pulley; 7. synchronous belt; 8. driven synchronous pulley; 9. protective cover; 10. ball screw; 11. fixed side bearing seat; 12. shift fork connecting plate; 13. supporting side bearing seat; 14. shift fork; 15. linear guide; 16. fixed plate; 17. side plate; 18. core shaft; 19. motor tightening device; 20. gear workpiece. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The technical solution of the present invention will be further described below in conjunction with the drawings of the embodiments of the present invention, and the present invention is not limited to the following specific implementation methods.

[0022] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the present invention, it should be understood that if the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0023] In one embodiment, Figure 1 , Figure 2 , Figure 3 As shown, a machine tool automatic loading and unloading gripper device comprises a robot flange 1, a loading base plate 2 is provided near the top on the left side of the robot flange 1, a motor tightening device 19 is provided on the left side of the loading base plate 2, a motor mounting plate 5 is provided on the left side of the motor tightening device 19, a synchronous pulley driving 6 is provided on one side of the motor mounting plate 5, a synchronous belt 7 is provided on the top of the synchronous pulley driving 6, a synchronous belt 7 is provided on the top of the synchronous belt 7, and a side plate 17 is provided on the top of the synchronous pulley driven 8;

[0024] A blanking base plate 3 is provided near the top on the right side of the robot flange 1, a servo motor 4 is provided on the right side of the blanking base plate 3, a fixed plate 16 is provided on the top of the servo motor 4, a linear guide 15 is provided on the top of the fixed plate 16, a shift fork 14 is provided on the top of the linear guide 15, a core shaft 18 is provided on the top of the shift fork 14, a protective cover 9 is provided on the right side of the robot flange 1, a ball screw 10 is provided on the rear side of the protective cover 9, a fixed side bearing seat 11 is provided on the rear side of the ball screw 10, a shift fork connecting plate 12 is provided on the rear side of the fixed side bearing seat 11, a supporting side bearing seat 13 is provided on the rear side of the shift fork connecting plate 12, and a gear workpiece 20 is provided on the outer edge of the robot flange 1;

[0025] This embodiment adopts a V-shaped double-handed claw structure design, which is convenient for coordinated operation of loading and unloading and improves work efficiency requirements;

[0026] The main mechanical structure of the gripper of this embodiment is composed of a robot flange 1, a loading base plate 2, a unloading base plate 3, a fixing plate 16, and a side plate 17. The above parts are fixed together by bolts, pins, stoppers, etc., forming the main parts of the gripper mechanical structure, which bear the force during the operation of the gripper and maintain the stability of the structure;

[0027] The transmission mechanism of this embodiment is symmetrically arranged on the loading base plate 2 and the unloading base plate 3, and is composed of a servo motor 4, a motor mounting plate 5, a synchronous pulley driving 6, a synchronous belt 7, a synchronous pulley driven 8, a ball screw 10, a fixed side bearing seat 11, and a supporting side bearing seat 13; the servo motor 4 drives the synchronous pulley driving 6 to rotate, and the synchronous belt 7 drives the synchronous pulley driven 8 to rotate, thereby driving the ball screw 10 to rotate, and the ball screw 10 nut seat is connected to the fork connecting plate 12 to realize the linear motion function of the fork 14;

[0028] The shift fork 14 of this embodiment is mounted on the shift fork connecting plate 12. One side of the shift fork connecting plate 12 is connected to the nut of the ball screw 10, and the other side is connected to the linear guide rail 15 to achieve a linear reciprocating motion function.

[0029] The mandrel 18 of this embodiment is mounted on the side plate 17, and the shift fork 14 moves the grouped workpieces and moves in the direction guided by the mandrel 18 to complete the clamping function of the grouped workpieces.

[0030] A method for using a hand gripper device for automatic loading and unloading of a machine tool comprises the following steps:

[0031] S1: First, the operator places the group of workpieces on the pallet (the pallet has a vertical spindle), and the robot moves the gripper to a fixed position, with the gripper spindle coaxial with the workpiece spindle on the pallet;

[0032] S2: Then the shift fork 14 moves to the clamping zero point, and the servo motor 4 drives the ball screw 10 to rotate and drive the shift fork 14 to move;

[0033] S3: Finally, the shift fork 14 moves the grouped workpieces along the direction of the gripper mandrel, clamps the grouped workpieces to the fixed side of the mandrel, and realizes the grouped workpiece grabbing function. The servo motor 4 reverses to realize the grouped workpiece unloading function.

[0034] Working principle: When the device starts working, the operator places the grouped workpieces on the pallet (the pallet has a vertical core shaft), the robot moves the gripper to a fixed position, the gripper core shaft is coaxial with the pallet workpiece core shaft, and at the same time the fork 14 moves to the clamping zero point, the servo motor 4 drives the ball screw 10 to rotate and drives the fork 14 to move, the fork 14 moves the grouped workpieces along the direction of the gripper core shaft, clamps the grouped workpieces to the fixed side of the core shaft, realizes the grouped workpiece grabbing function, and the servo motor 4 reverses to realize the grouped workpiece unloading function.

[0035] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A machine tool automatic loading and unloading gripper device, characterized in that: The robot flange (1) comprises a loading base plate (2) on the left side of the robot flange (1) near the top, a motor tightening device (19) on the left side of the loading base plate (2), a motor mounting plate (5) on the left side of the motor tightening device (19), a synchronous belt drive (6) on one side of the motor mounting plate (5), a synchronous belt (7) on the top of the synchronous belt drive (6), a synchronous belt driven (8) on the top of the synchronous belt (7), and a side plate (17) on the top of the synchronous belt driven (8).

2. The automatic loading and unloading gripper device for machine tools according to claim 1 is characterized in that: A material unloading base plate (3) is provided on the right side of the robot flange (1) near the top, a servo motor (4) is provided on the right side of the material unloading base plate (3), a fixing plate (16) is provided on the top of the servo motor (4), a linear guide rail (15) is provided on the top of the fixing plate (16), a shift fork (14) is provided on the top of the linear guide rail (15), and a core shaft (18) is provided on the top of the shift fork (14).

3. The automatic loading and unloading gripper device for machine tools according to claim 1 is characterized in that: A protective cover (9) is provided on the right side of the robot flange (1), a ball screw (10) is provided on the rear side of the protective cover (9), and a fixed side bearing seat (11) is provided on the rear side of the ball screw (10).

4. The automatic loading and unloading gripper device for machine tools according to claim 3 is characterized in that: A shift fork connecting plate (12) is provided at the rear side of the fixed side bearing seat (11), and a supporting side bearing seat (13) is provided at the rear side of the shift fork connecting plate (12).

5. The automatic loading and unloading gripper device for machine tools according to claim 1 is characterized in that: A gear workpiece (20) is provided on the outer edge of the robot flange (1).

6. A method for using a machine tool automatic loading and unloading gripper device according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1: First, the operator places the group of workpieces on the pallet (the pallet has a vertical spindle), and the robot moves the gripper to a fixed position, with the gripper spindle coaxial with the workpiece spindle on the pallet; S2: Then the shift fork (14) moves to the clamping zero point, and the servo motor (4) drives the ball screw (10) to rotate and drive the shift fork (14) to move; S3: Finally, the shift fork (14) moves the grouped workpieces along the direction of the gripper mandrel, clamps the grouped workpieces to the fixed side of the mandrel, and realizes the grouped workpiece grabbing function. The servo motor (4) reverses to realize the grouped workpiece unloading function.

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