CN205551997U - Parallelly connected redundant all -hydraulic lathe - Google Patents

Abstract

The utility model relates to a hydraulic pressure lathe field, concretely relates to parallelly connected redundant all -hydraulic lathe, including the frame, the flexible hydraulic means of the level that is provided with in the frame, flexible hydraulic means of level and vertical perpendicular connection of extension hydraulic means are connected with the cutter below the vertical extension hydraulic means, and the last clamping device that still installs of rack surface, clamping device set up in the cutter below, the utility model discloses a processing degree of freedom is high, and the machining precision is high, and the operation is steady, and the lathe is little at during operation inertia, can realize the quick start, braking and frequent switching -over.

Description

A Parallel Redundant Fully Hydraulic Machine Tool

technical field

The utility model relates to the field of mechanical manufacturing, particularly to the field of hydraulic machine tools, in particular to a parallel redundant full hydraulic machine tool.

Background technique

Traditional machine tools mainly use tandem mechanisms. The tandem mechanism has the advantages of simple structure, low cost, simple control, and large movement space. However, the movement direction of the tandem machine tools is fixed, so the degree of freedom is low during tool processing and the equipment is flexible. Insufficient performance and maneuverability, low machining accuracy, poor flexibility, low rigidity, and inability to process workpieces with complex shapes, etc. The emergence of parallel machine tools can well solve the problem of low degree of freedom of serial machine tools, flexible processing, and low machining accuracy. technical problem. At the same time, traditional machine tools have poor stability performance and large inertia during processing operations. When the machine frequently brakes and changes direction, the processing accuracy of the equipment is greatly affected.

Utility model content

In order to overcome the above problems, the utility model provides a parallel redundant full hydraulic machine tool, which effectively solves the technical problems of low machining freedom, low machining accuracy, large inertia, and poor machining stability of traditional machine tools.

In order to achieve the above purpose, a parallel redundant full hydraulic machine tool of the utility model adopts the following technical solutions to solve it.

A parallel redundant full-hydraulic machine tool, comprising a frame, on which a horizontal telescopic hydraulic device is arranged, the telescopic end of the horizontal telescopic hydraulic device is provided with a vertical extension hydraulic device, and a tool is connected to the bottom of the vertical extension hydraulic device, and the frame A clamping device is also installed on the surface, and the clamping device is arranged under the tool.

Preferably, the horizontal telescopic hydraulic device includes three columns distributed in a triangle and fixed on the frame, which are the first column, the second column, and the third column. The upper ends of the three columns are correspondingly connected to three horizontal hydraulic cylinders. The hydraulic cylinders are respectively a first horizontal hydraulic cylinder, a second horizontal hydraulic cylinder and a third horizontal hydraulic cylinder, and the piston rods of the three horizontal hydraulic cylinders are jointly connected with the vertically extending hydraulic device.

Preferably, the vertical extension hydraulic device includes a moving platform, the moving platform is connected with the horizontal telescopic hydraulic device, a vertical hydraulic cylinder is installed under the moving platform, a first hydraulic motor is arranged on the piston rod of the vertical hydraulic cylinder, and the vertical hydraulic pressure The oil cylinder is connected with the tool.

Preferably, the clamping device includes a clamping groove, the clamping groove is directly below the tool, and the two sides of the clamping groove are respectively equipped with a three-jaw chuck and a tailstock, and the three-jaw chuck is connected with the second hydraulic motor.

Preferably, the three columns are distributed in an equilateral triangle.

Preferably, the three horizontal hydraulic oil cylinders are respectively connected to the corresponding three columns through hinges.

Preferably, the moving platform is cylindrical.

Compared with the prior art, the beneficial effect of the parallel redundant full hydraulic machine tool provided by the utility model is: when processing parts, three horizontal hydraulic cylinders and one vertical hydraulic cylinder jointly control the direction of the tool, increasing the number of components The degree of freedom of processing improves the processing accuracy of parts. At the same time, the utility model adopts hydraulic control, and the operation is stable. The inertia of the device is small when it is working, and it can realize quick start, brake and frequent reversing.

Description of drawings

Fig. 1 is a structural diagram of a parallel redundant full hydraulic machine tool of the utility model;

Fig. 2 is a front view of a parallel redundant full hydraulic machine tool of the utility model;

Fig. 3 is a top view of a parallel redundant full hydraulic machine tool of the utility model;

Fig. 4 is a simple structure diagram of a parallel redundant full hydraulic machine tool according to the utility model.

In the figure: 1. Rack; 2. Clamping groove; 3. Moving platform; 4. Vertical hydraulic cylinder; 5. First hydraulic motor; 6. Tool; 7. Three-jaw chuck; 8. Second hydraulic Motor; 9. tailstock; 10. first column; 11. second column; 12. third column; 13. first horizontal hydraulic cylinder; 14. second horizontal hydraulic cylinder; 15. third horizontal hydraulic cylinder.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Referring to Figures 1 to 4, the utility model is a parallel redundant full hydraulic machine tool, including a frame 1, on which a horizontal telescopic hydraulic device is arranged, and the horizontal telescopic hydraulic device includes a triangular distribution and is fixed on the frame The three columns on 1 are the first column 10, the second column 11, and the third column 12. The upper ends of the three columns are correspondingly connected with three horizontal hydraulic cylinders, and the three horizontal hydraulic cylinders are respectively the first horizontal hydraulic cylinder 13 and the second horizontal hydraulic cylinder. Horizontal hydraulic oil cylinder 14, the third horizontal hydraulic oil cylinder 15, the piston rods of the three horizontal hydraulic oil cylinders are jointly connected with the vertical extension hydraulic device, the vertical extension hydraulic device includes a moving platform 3, the moving platform 3 adopts a cylindrical shape, and the moving platform 3 and the horizontal The three horizontal hydraulic cylinders in the telescopic hydraulic device are connected together, the vertical hydraulic cylinder 4 is installed under the moving platform 3, the first hydraulic motor 5 is arranged on the piston rod of the vertical hydraulic cylinder 4, and the vertical hydraulic cylinder 4 is connected with the cutting tool 6 , the machine tool also includes a clamping device installed on the frame 1, the clamping device includes a clamping groove 2, the clamping groove 2 is directly below the tool 6, and three-jaw chucks 7 are respectively installed on both sides of the clamping groove 2 With the tailstock 9, the three-jaw chuck 7 is connected with the second hydraulic motor 8.

In the utility model, the three columns in a parallel redundant full hydraulic machine tool are distributed in an equilateral triangle. When the parts are clamped, the stability is high, and the parts are not easy to move. The three horizontal hydraulic oil cylinders are respectively connected to the corresponding columns through hinges. This is more convenient when replacing the hydraulic cylinder, the first hydraulic motor 5 provided on the piston rod of the vertical hydraulic cylinder 4 can rotate forward or reverse or stop, and three different working modes can meet the processing requirements of different working conditions during operation. A cutting tool 6 is installed in front of the first hydraulic motor 5, and the joint of the cutting tool 6 is a universal joint, which is convenient for replacement. The utility model adopts a tailstock 9, which can meet the processing requirements of the device for long shaft parts.

When the parallel redundant full hydraulic machine tool of the utility model is working, the parts are fixed in the clamping groove 2 through the three-jaw chuck 7 and the tailstock 9, and the second hydraulic motor 8 on the side of the three-jaw chuck 7 can control The horizontal direction of the parts controls the degree of freedom of the parts on the horizontal plane through the expansion and contraction of three horizontal hydraulic cylinders, and the vertical hydraulic cylinder 4 connected under the moving platform 3 controls the size of the parts on the Z axis. Such a parallel device The structure realizes that the machine tool has a high degree of freedom and high processing precision when processing parts and components, and will not miss processing in any direction. At the same time, the device adopts hydraulic cylinder control. Compared with air pressure and other electric controls, the control of the hydraulic system is relatively stable. There will be no vibration, and the hydraulic device can provide a lot of power, and the hydraulic device works relatively smoothly. Due to the small mass and inertia and quick response, the hydraulic device is easy to achieve quick start, braking and frequent reversing, so it can be more realized. The realization of the control of the parallel machine tool, but also the protection of overload.

In addition, when the first hydraulic motor does not move and the second hydraulic motor moves, the machine tool is a lathe; when the first hydraulic motor moves and the second hydraulic motor does not move, the machine tool is a milling machine, drilling machine, etc. This enriches the types of machine tools. The horizontal direction of parts is mainly controlled by the clamping position and three horizontal hydraulic cylinders.

Apparently, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the present utility model fall within the claims of the utility model and the equivalent technical scope thereof, the utility model also includes these modifications and variations.

Claims (7)

1. A parallel redundant full-hydraulic machine tool, characterized in that: it comprises a frame (1), the frame (1) is provided with a horizontal telescopic hydraulic device, and the telescopic end of the horizontal telescopic hydraulic device is provided with a vertical Extending the hydraulic device, a cutter (6) is connected below the vertical extension hydraulic device, and a clamping device is installed on the surface of the frame (1), and the clamping device is arranged below the cutter (6). 2. A parallel redundant full hydraulic machine tool according to claim 1, characterized in that: the horizontal telescopic hydraulic device includes three columns distributed in a triangle and fixed on the frame (1), which are the first columns (10), the second column (11), the third column (12), the upper ends of the three columns are correspondingly connected with three horizontal hydraulic cylinders, and the three horizontal hydraulic cylinders are respectively the first horizontal hydraulic cylinder (13), the second A horizontal hydraulic cylinder (14), a third horizontal hydraulic cylinder (15), the piston rods of the three horizontal hydraulic cylinders are jointly connected with the vertically extending hydraulic device. 3. A parallel redundant full hydraulic machine tool according to claim 1, characterized in that: the vertically extending hydraulic device comprises a moving platform (3), and the moving platform (3) is connected to the horizontal telescopic hydraulic device connected, a vertical hydraulic cylinder (4) is installed below the moving platform (3), and a first hydraulic motor (5) is arranged on the piston rod of the vertical hydraulic cylinder (4), and the vertical hydraulic cylinder (4) is connected to the The cutter (6) is connected. 4. A parallel redundant full hydraulic machine tool according to claim 1, characterized in that: the clamping device includes a clamping groove (2), and the clamping groove (2) is directly below the tool (6) A three-jaw chuck (7) and a tailstock (9) are respectively installed on both sides of the clamping groove (2), and the three-jaw chuck (7) is connected with the second hydraulic motor (8). 5. A parallel redundant full hydraulic machine tool according to claim 2, characterized in that: the three columns are distributed in an equilateral triangle. 6 . The parallel redundant full hydraulic machine tool according to claim 2 , wherein the three horizontal hydraulic cylinders are respectively connected to the corresponding three columns through hinges. 7. A parallel redundant full hydraulic machine tool according to claim 3, characterized in that: the moving platform (3) is cylindrical.