Device for molding section variable camber part by one-step profile modeling and winding and method thereof

A technology of variable curvature and profile, applied in the field of profile bending and forming devices, can solve the problems of low production efficiency and poor dimensional accuracy of parts, and achieve the effects of high production efficiency, low production cost and high dimensional accuracy

Inactive Publication Date: 2009-09-23
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of low production efficiency and poor dimensional accuracy of the parts in the existing profile bending method when the tube profile bending parts with multiple bending radii need to be replaced or adjusted multiple times, and a profile changer is proposed. Device and method for one-time profiling and bending forming of curvature parts

Method used

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  • Device for molding section variable camber part by one-step profile modeling and winding and method thereof
  • Device for molding section variable camber part by one-step profile modeling and winding and method thereof
  • Device for molding section variable camber part by one-step profile modeling and winding and method thereof

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specific Embodiment approach 1

[0010] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, the device of this embodiment comprises profiling lower die 2, two profiling guide rails 3, two rollers 4, two connecting rods 5, pressure roller 6 and fixed briquetting block 7, described profiling lower die The upper surface of 2 is provided with a groove 2-1 matching the shape of the final formed part, and the two side walls of the copying lower mold 2 are provided with copying guide rails 3 matching the shape of the groove 2-1, The profiling guide rail 3 is arranged parallel to the groove 2-1, and the two rollers 4 are arranged in the profiling guide rail 3 respectively, and each roller 4 is connected with the pressure roller 6 through a connecting rod 5, and the pressure roller 6 is arranged in the groove 2-1, and one end of the upper surface of the profiling lower die 2 is connected with the fixed pressing block 7.

specific Embodiment approach 2

[0011] Specific implementation mode two: combination Figure 4 To illustrate this embodiment, the opening of the profiling guide rail 2 is upward, and the advantage of this connection structure is that the contact between the roller 4 and the profiling guide rail 3 is more stable, and the force is more reasonable, and the profiling guide rail 3 will not be affected by One side deforms under force, and the other components and connections are the same as those in Embodiment 1.

specific Embodiment approach 3

[0012] Specific implementation mode three: combination Figure 5 To illustrate this embodiment, the lower profiling die 2 is provided with a heating hole 8 near the groove 2-1, and the heating hole 8 is perpendicular to the side wall of the lower profiling die 2. The advantage of this connection structure is that it can be heated Copy the lower mold 2 to deform the profile 1 under heating, which can reduce the elastic recovery produced during the bending process of the profile, improve the moldability of the profile parts and the dimensional accuracy after bending, other components and connection relations and specific implementation Method 1 is the same.

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Abstract

The invention relates to a device for molding a section variable camber part by one-step profile modeling and winding and a method thereof, in particular to a device for molding sectional material by winding and a method thereof. The invention aims at solving the problems that a mould is needed to be replaced or regulated for a plurality of times when the existing sectional material bending method is used for molding a sectional material bent part with a plurality of bending radii, the production efficiency is low, and the dimensional precision of the part is poor. A groove is arranged on a profiling lower die, the two sides in the profiling lower die are provided with profiling lead rails which are parallel to the groove, rolling wheels are arranged inside the profiling lead rails and connected with a compression roller by connecting rods, the compression roller is arranged inside the groove, and the profiling lower die is connected with a fixed press block. The method comprises the sectional material to be molded is placed inside the groove of the profiling lower die; the compression roller and the rolling wheels are moved at the end part of the sectional material to be molded; the connecting rods are pulled to lead the compression roller to gradually press the sectional material against the groove of the profiling lower die; finally, the sectional material is made into the needed bent part. The invention is used for molding the sectional material with a plurality of bending radii.

Description

technical field [0001] The invention relates to a device and method for bending and forming profiles. Background technique [0002] Profile bending parts have a very wide range of applications in the industrial field. Commonly used profile bending methods include stretch bending, press bending, push bending and roll bending. Most of the parts produced by these methods have the characteristics of simple shape and fixed curvature. There are also some special bending methods, such as laser bending, flexible pad bending, extrusion and bending composite forming, the parts formed by these methods have high flexibility, can have changing curvature radius and three-dimensional complex shape, but need The mold is replaced or adjusted many times, the production efficiency is low, and the dimensional accuracy of the parts is poor. For pipe profiles with complex cross-sectional shapes or curved parts with large changes in curvature radius, the above bending methods usually cannot be f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D7/08B21D7/16
Inventor 何祝斌滕步刚王仲仁
Owner HARBIN INST OF TECH
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