CN102133593A - Metal plate spinning device - Google Patents

Abstract

The invention discloses a sheet metal spinning device, which is composed of a frame, a workbench, a workbench screw, a beam, a pivoting arm frame, a traverse guide rail, a traverse lead screw, a forward-backward guide rail, a forward-backward screw, and a sliding seat. Composed of guide rail and sliding seat screw, a sliding seat is provided on the beam, and the rotating arm frame is installed on the sliding seat guide rail of the sliding seat. The sliding seat screw drives the rotating arm frame to move up and down along the sliding seat guide rail. The lower end of the rotating arm frame A rotating arm is movably installed, a main shaft is movably connected to the rotating arm, and a processing tool head is installed on the main shaft. The invention has the characteristics of being able to realize spinning processing of special-shaped parts, high processing precision, good forming effect, small volume and multiple functions.

Description

A sheet metal spinning device

technical field

The invention belongs to the technical field of mechanical processing equipment, and in particular relates to a sheet metal spinning device.

Background technique

Existing sheet metal processing devices generally adopt stamping machine tools for stretch forming and spin forming. Stamping requires molds, and the structure of the stamping machine is complex and the cost is high, which is only suitable for mass production and processing; the spinning device can only process rotary bodies, and cannot process special-shaped parts, especially for the surface and elevation of special-shaped parts. When the angle is less than or equal to 90 degrees, the existing sheet metal spinning processing equipment cannot be processed, and the function is single, and the later processing steps such as trimming need additional equipment to realize.

Contents of the invention

The purpose of the present invention is to improve the deficiencies of the prior art and provide a sheet metal spinning device that can realize spinning of special-shaped parts, has high processing precision, good forming effect, small volume and multiple functions.

The purpose of the present invention is achieved in that a sheet metal spinning device is composed of a frame, a workbench, a workbench screw, a crossbeam, a pivoting arm frame, a traverse guide rail, a traverse lead screw, a forward and backward movement guide rail, a forward and backward movement It is composed of lead screw, sliding seat guide rail and sliding seat screw. Its characteristic is that there is a sliding seat on the beam. The rotating arm frame is installed on the sliding seat guide rail of the sliding seat. The sliding seat screw drives the rotating arm frame along the sliding seat guide rail. Moving up and down, a rotating arm is movably installed at the lower end of the rotating arm frame, a main shaft is movably connected to the rotating arm, and a processing tool head is installed on the main shaft.

In order to further realize the object of the present invention, the flexible connection between the pivoting arm frame and the pivoting arm can be that a rotating motor is housed in the bottom of the pivoting arm frame, and the rotating motor is connected to the pivoting arm through a worm gear and can drive the pivoting arm to rotate.

In order to further realize the purpose of the present invention, the flexible connection between the rotating arm and the main shaft may be that the main shaft is fixed on the mounting plate, and corresponding connecting screw holes are evenly spaced on the mounting plate and the rotating arm, and the bolts are installed on the mounting plate and the rotating arm The connecting screw holes are fixed.

In order to further realize the object of the present invention, the movable connection between the pivoting arm and the main shaft may be that a swing motor installed on the pivoting arm is connected to the main shaft through a worm gear and can drive the main shaft to swing up and down.

In order to further realize the purpose of the present invention, the processing tool head may be movably inserted and fixed in the main shaft.

In order to further achieve the purpose of the present invention, the processing tool head may be installed in a fixture, and the fixture is installed in a bearing seat in the main shaft.

In order to further realize the object of the present invention, the upper ends of the frames on both sides can be provided with forward and backward moving guide rails and forward and backward moving guide rails. .

In order to further realize the object of the present invention, an insulating board may be installed on the workbench.

Compared with the prior art, the present invention has the following remarkable features and positive effects: the present invention adopts a sliding seat on the crossbeam, the pivoting arm frame is installed on the guide rail of the sliding seat and can move along the guide rail, and the lower end of the pivoting arm frame is movably installed There is a rotating arm, and the main shaft is movably connected to the main shaft, and the processing tool head is installed on the main shaft, so that the rotation of the rotating arm can always keep in line with the normal direction of the processing surface of the workpiece, and at the same time, the main shaft can swing up and down to drive the processing tool The head-to-plate spinning process realizes the purpose of special-shaped parts spinning, especially suitable for the spinning process of the workpiece whose surface and elevation angle is less than or equal to 90 degrees; the processing tool head is installed on the bearing seat in the main shaft, so that During the processing, the friction formed between the processing tool head and the plate drives the processing tool head to rotate, forming a rolling forming process on the processed surface of the plate, making the surface of the formed plate smooth, and avoiding the wrinkles and pulls caused by the existing spinning equipment. The problem of cracking has been improved, and the processing accuracy has been improved; the processing tool head is fixed on the main shaft, so that the spinning head spinning processing, plasma knife or milling cutter edge cutting processing can be used according to the needs, so as to realize the multi-function of one machine; on both sides of the frame The upper end is equipped with a forward and backward moving guide rail and a forward and backward moving screw. Both ends of the beam are installed in the forward and backward moving guide rail. The lead screw is set on the base, and the worktable drives the workpiece to move. The moving stroke is too large, which causes the problem of increasing the volume of the equipment. The moving stroke of the device is only the length of the front and back of the workpiece, thus reducing the volume of the device and saving The working space is reduced, and the manufacturing cost is reduced; an insulating plate is installed on the base, which is suitable for the working needs of various processing tool heads, and the safety and reliability are improved.

Description of drawings

The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a kind of structure diagram of the present invention.

Fig. 2 is another structural schematic diagram of the present invention.

Fig. 3 is a schematic structural view of the rotating arm part of the present invention.

FIG. 4 is a side view of FIG. 3 .

Fig. 5 is another structural schematic diagram of the rotating arm part of the present invention.

FIG. 6 is a side view of FIG. 5 .

Detailed ways

Embodiment 1, a sheet metal spinning device, referring to Figure 1, is provided with front and rear moving guide rails 7 on both sides of the inner bottom of the frame 1, and the workbench 2 is installed on the front and rear moving guide rails 7, and can move forward and backward on the screw 8 The workbench screw 14 is installed on both sides of the workbench 2 and can move up and down with the workbench 2. The two ends of the beam 3 are fixed on the upper ends of the frame 1 on both sides. The traverse guide rail 5 and the traverse screw 6 is set on the beam 3, the sliding seat 9 is installed in the traversing guide rail 5, the traversing lead screw 6 is connected with the sliding seat 9 and drives the sliding seat 9 to move on the traversing guide rail 5, and the sliding seat 9 is provided with a sliding seat guide rail 20 And slide seat screw 21, pivot arm frame 4 is installed on the slide seat guide rail 20, and slide seat screw 21 drives pivot arm frame 4 to move up and down along slide seat guide rail 20, and the lower end of pivot arm frame 4 is movablely installed with pivot arm 10. A main shaft 11 is movably connected to the rotating arm 10, and a processing tool head 12 is installed on the main shaft 11, which constitutes a structure of the present invention.

Embodiment 2, a sheet metal spinning device, referring to Fig. 2, Fig. 3 and Fig. 4, is based on Embodiment 1, and the upper ends of the frames 1 on both sides are provided with forward and backward guide rails 7 and forward and backward lead screws 8 , the two ends of crossbeam 3 are installed in the guide rail 7 that moves forward and backward, and the lead screw 8 that moves forward and backward is connected with crossbeam 3 and can drive crossbeam 3 to move. The rotating motor 13 is connected to the rotating arm 10 through a worm gear and can drive the rotating arm 10 to rotate. The movable connection between the rotating arm 10 and the main shaft 11 is that the main shaft 11 is fixed on the mounting plate 15, and the mounting plate 15 and the rotating arm 10 are evenly connected. Corresponding connecting screw holes are provided at intervals, and the bolts are fixed on the connecting screw holes on the mounting plate 15 and the rotating arm 10, and the connecting screw holes of the mounting plate 15 and the rotating arm 10 are different, so that the rotating arm 10 and the main shaft 11 form a suitable Processing included angle, processing tool head 12 is installed in the fixture 17, and fixture 17 is installed in the bearing seat 18 in the main shaft 11, and the insulating plate 16 is installed on the workbench 2, and other are identical with embodiment 1.

Embodiment 3, a sheet metal spinning device, referring to Fig. 2, Fig. 5 and Fig. 6, is based on Embodiment 2. In this embodiment, the movable connection between the rotating arm 10 and the main shaft 11 is installed on the rotating arm 10 The swing motor 19 is connected to the main shaft 11 through a worm gear and can drive the main shaft 11 to swing up and down, so that the rotating arm 10 and the main shaft 11 form a suitable machining angle, and the others are identical to the second embodiment.

When using the present invention, the workpiece plate is fixed on the workbench 2, and the spinning head is used as the tool head 12. According to the shape of the workpiece, the computer controls the rotating arm 10 to move left and right along the traverse guide rail 5, and the beam 3 moves forward and backward along the forward and backward guide rail 7. , the rotating arm frame 4 moves up and down along the sliding seat guide rail 20. During the movement of the rotating arm 10 and the beam 3, the main shaft 11 rotates according to the shape of the workpiece to keep the tool head 12 in the same direction as the normal direction of the workpiece. At the same time, the tool head 12 is driven to contact the workpiece. Spinning, when the angle between the workpiece surface and the vertical surface is less than or equal to 90 degrees, adjust the angle between the main shaft 11 and the rotating arm 10, so that the tool head 12 and the workpiece surface form a suitable processing angle, and the distance between the tool head 12 and the workpiece The friction force drives the tool head 12 to rotate to roll the workpiece. During the step-by-step layering process, the rotating arm 10 moves up and down along the sliding seat guide rail 20 on the sliding seat 9, and the worktable screw 14 drives the worktable 2 to move synchronously. ; After the spinning process is finished, the spinning head is replaced with a plasma knife or a milling cutter as the tool head 12, and the excess sheet material is cut.

Claims (8)

1. A sheet metal spinning device is composed of a frame (1), a workbench (2), a workbench screw (14), a crossbeam (3), a pivoting arm frame (4), a traverse guide rail (5), Composed of traverse lead screw (6), forward and backward movement guide rail (7), forward and backward movement lead screw (8), slide seat guide rail (20) and slide seat lead screw (21), it is characterized in that the beam (3) is provided with The sliding seat (9) and the rotating arm frame (4) are installed on the sliding seat guide rail (20) of the sliding seat (9), and the sliding seat screw (21) drives the rotating arm frame (4) along the sliding seat guide rail (20) Moving up and down, the lower end of the pivoting arm frame (4) is movably equipped with pivoting arm (10), which is movably connected with main shaft (11) on the pivoting arm (10), and processing tool head (12) is installed on the main shaft (11). 2. A sheet metal spinning device according to claim 1, characterized in that the movable connection between the rotating arm frame (4) and the rotating arm (10) is that a rotating motor (13) is housed in the lower part of the rotating arm frame (4). ), the rotating motor (13) is connected to the rotating arm (10) through a worm screw and can drive the rotating arm (10) to rotate. 3. A metal sheet spinning device according to claim 1, characterized in that the movable connection between the rotating arm (10) and the main shaft (11) is that the main shaft (11) is fixed on the mounting plate (15), and the mounting plate ( 15) and the rotating arm (10) are evenly spaced with corresponding connecting screw holes, and the bolts are installed on the mounting plate (15) and the connecting screw holes on the rotating arm (10) to fix. 4. A sheet metal spinning device according to claim 1, characterized in that the movable connection between the rotating arm (10) and the main shaft (11) is a swing motor (19) installed on the rotating arm (10) through a worm gear Connect the main shaft (11) and can drive the main shaft (11) to swing up and down. 5. A sheet metal spinning device according to claim 1, characterized in that the processing tool head (12) is movably inserted and fixed in the main shaft (11). 6. A sheet metal spinning device according to claim 1 or 5, characterized in that the processing tool head (12) is installed in the fixture (17), and the fixture (17) is installed in the bearing seat in the main shaft (11) (18). 7. A sheet metal spinning device according to claim 1, characterized in that the upper ends of the frames (1) on both sides are provided with forward and backward moving guide rails (7) and forward and backward moving screw (8), beams (3) The two ends of the two ends are installed in the guide rail (7) moving forward and backward, and the leading screw (8) moving forward and backward is connected with the crossbeam (3) and can drive the crossbeam (3) to move. 8. A sheet metal spinning device according to claim 1, characterized in that an insulating plate (16) is installed on the workbench (2).

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