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Special-shaped curved surface metal sheet forming device and process

A technology of thin metal plates and forming devices, applied in metal processing equipment, feeding devices, positioning devices, etc., can solve the problems of high labor intensity, high equipment investment cost, uncontrollable product quality, etc.

Pending Publication Date: 2021-07-30
南京筑新科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Manual sheet metal forming has low efficiency, high labor intensity, and uncontrollable product quality. With the continuous increase of labor costs, the processing cost is also getting higher and higher; the use of straight instead of bending to form special-shaped metal plates greatly reduces production and processing costs. , which improves production efficiency, but it is difficult to achieve smooth transition of this kind of surface, and even some curved surfaces with large changes in curvature cannot be formed, and with the improvement of people's aesthetic requirements, it is gradually not accepted by high-end designers; moldless multi-point Forming technology can realize single-piece and small-batch production of special-shaped curved surfaces, and the forming quality is controllable. However, the current high investment cost of equipment cannot be accepted by general enterprises, and it is also not conducive to market popularization.

Method used

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  • Special-shaped curved surface metal sheet forming device and process
  • Special-shaped curved surface metal sheet forming device and process
  • Special-shaped curved surface metal sheet forming device and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] refer to Figure 1-5 The special-shaped curved metal sheet forming device of this embodiment includes a base 1, a first hydraulic cylinder 3 is fixedly installed at the center of the bottom of the base 1, and a workbench 19 is fixedly installed on the top of the piston rod of the first hydraulic cylinder 3 , a lightweight mold 4 is placed on the top of the workbench 19, support rods 5 are fixedly installed on the four corners of the top of the base 1, and the same clamping platform 6 is installed on the top of the four support rods 5, and the clamping platform 6 Two sets of second hydraulic cylinders 9 are arranged on the top of the top, and the same clamp 7 is fixedly installed on the piston rods of one set of second hydraulic cylinders 9, and the same forming plate blank 8 is clamped and fixed by the two clamps 7, The formed sheet blank 8 is located directly above the lightweight mold 4 .

Embodiment 2

[0031] This embodiment is improved on the basis of Embodiment 1:

[0032] The number of a group of second hydraulic cylinders 9 is 3-10, and the inner walls on both sides of the base 1 are rotatably connected with threaded adjustment rods 16, and the sides of the two threaded adjustment rods 16 are connected with U-shaped plates 10 by threads. , and the sides of the two U-shaped plates 10 that are close to each other are fixedly equipped with arc-shaped clamping plates 11, and the sides of the two arc-shaped clamping plates 11 that are close to each other are all engaged with the first hydraulic cylinder 3, basically Bearings 15 are fixedly installed on the inner walls of both sides of the seat 1, and the threaded adjusting rod 16 runs through the inner ring of the bearing 15 and is fixedly connected with the inner ring of the bearing 15. The sides of the two threaded adjusting rods 16 that are far away from each other are fixedly installed with hexagonal bolts 18. Blocks 17 a...

Embodiment 3

[0034] A processing technology of a special-shaped curved surface metal sheet forming device, comprising the following steps:

[0035] S1: Classify and code the special-shaped metal curved surfaces required by the same batch according to the curvature;

[0036] S2: Process the lightweight mold 4 into the required maximum profile through the CNC machining center;

[0037] S3: installing the formed lightweight mold 4 on the special-shaped curved metal sheet forming device;

[0038] S4: Adjust the forming plate blank 8 to a suitable position;

[0039] S5: Start the first hydraulic cylinder 3 to eject, and the ejection pressure will extrude the forming plate blank 8 into a curved surface;

[0040] S6: After the production of the curved surface of the same type or roughly similar curvature is completed, the lightweight mold 4 is removed, and the surface of the next curvature level is processed by the CNC machining center again, and then put into the special-shaped curved surfac...

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Abstract

The invention belongs to the field of special-shaped curved surface metal sheet forming, and particularly relates to a special-shaped curved surface metal sheet forming device and process. According to the scheme, the special-shaped curved surface metal sheet forming device comprises a base, wherein a first hydraulic cylinder is fixedly installed at the center of the bottom of the base, a workbench is fixedly installed at the top of a piston rod of the first hydraulic cylinder, a light mold is placed at the top of the workbench, supporting rods are fixedly installed at the four corners of the top of the base, the same clamping platform is installed at the tops of the four supporting rods, and two sets of second hydraulic cylinders are arranged at the top of the clamping platform. The invention further provides a machining process. According to the special-shaped curved surface metal sheet forming device and process, a special-shaped curved surface is machined and formed by adopting the process, the same light mold can be machined and used for multiple times, so that the production cost is reduced, and various technologies used in the forming process are relatively mature; and compared with traditional manual forming, the machining efficiency is high, compared with multi-point mold forming, the equipment cost is greatly reduced, and the special-shaped curved surface metal sheet forming device and process are suitable for multi-type small-batch production.

Description

technical field [0001] The invention relates to the technical field of forming thin metal plates with special-shaped curved surfaces, in particular to a forming device and process for thin metal plates with special-shaped curved surfaces. Background technique [0002] The common methods of forming special-shaped curved metal sheets are manual sheet metal, straight instead of curved forming, and multi-point forming without dies. Manual sheet metal forming has low efficiency, high labor intensity and uncontrollable product quality. With the continuous rise of labor costs, the processing cost is also getting higher and higher; the use of straight instead of bending to form special-shaped metal plates greatly reduces production and processing costs , which improves production efficiency, but it is difficult to achieve a smooth transition on this kind of surface, and even some curved surfaces with large changes in curvature cannot be formed, and with the improvement of people's a...

Claims

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Application Information

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IPC IPC(8): B21D22/02B21D43/00
CPCB21D22/02B21D43/003
Inventor 贾连军张新成
Owner 南京筑新科技有限公司
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