CN220920455U

CN220920455U - Forming device for thin-wall copper plate

Info

Publication number: CN220920455U
Application number: CN202322838807.XU
Authority: CN
Inventors: 刘齐军; 王茂春; 郭雄斌; 熊三华; 杨春; 赵桐贤; 文张帆
Original assignee: Wuhan Heavy Industry Casting and Forging Co Ltd; CCCC Infrastructure Maintenance Group Co Ltd
Current assignee: Wuhan Heavy Industry Casting and Forging Co Ltd; CCCC Infrastructure Maintenance Group Co Ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-10
Anticipated expiration: 2033-10-23

Abstract

The utility model discloses a forming device of a thin-wall copper plate, which comprises an upper die and a lower die; the upper die comprises an upper die bottom plate and an upper die boss, threaded holes are formed in the upper die boss and are arranged in an array, and an upper contact ejector rod is arranged in each threaded hole; the lower die comprises a lower die bottom plate and a lower die boss, threaded holes arranged in an array are formed in the lower die boss, and a lower contact ejector rod is arranged in each threaded hole; the upper contact ejector rods and the lower contact ejector rods are arranged in a one-to-one correspondence manner; the upper contact ejector rod and the lower contact ejector rod have the same structure and comprise an external threaded rod matched with the threaded hole, and the top end of the external threaded rod is provided with a contact. The depth of the external threaded rod in the threaded hole is adjusted, so that various curved surfaces with any required curvature can be formed, and the method is suitable for forming the curved surfaces of the variable-curvature thin-wall copper plates; the device is convenient to mold and simple to operate, not only improves the precision of the thin-wall copper plate molding device, but also improves the efficiency of the molding device, and has low cost.

Description

Forming device for thin-wall copper plate

Technical Field

The utility model belongs to the technical field of mechanical component devices, and particularly relates to a forming device of a thin-wall copper plate.

Background

The traditional thin-wall copper plate forming device mainly adopts a female die and a male die, and then the cut copper plate is placed between the female die and the male die and is formed on a hydraulic press. The device is convenient to form, but has low efficiency and high cost, one set of die is needed to be made for one curved surface, and the manufacturing requirement cannot be met for various curved surfaces with variable curvatures. Or by means of manual copper tapping, but with lower efficiency.

Chinese patent (issued publication number CN 212469271U) discloses a copper plate multi-die extrusion molding device, mainly for multi-die production of multiple products. Chinese patent (issued publication No. CN 216606843U) discloses a copper sheet forming and processing device, mainly comprising three dies, a first die on the upper surface and two second dies on the lower surface, which are mutually moved to form the product. None of the above patents is suitable for forming thin-walled copper surfaces of varying curvature.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a forming device for a thin-wall copper plate, which has the advantages of low forming cost, high efficiency and high precision.

In order to achieve the above object, the present utility model provides a forming device for a thin-walled copper plate, comprising an upper die and a lower die; the upper die comprises an upper die bottom plate and an upper die boss, threaded holes are formed in the upper die boss and are arranged in an array, and an upper contact ejector rod is arranged in each threaded hole; the lower die comprises a lower die bottom plate and a lower die boss, threaded holes arranged in an array are formed in the lower die boss, and a lower contact ejector rod is arranged in each threaded hole; the upper contact ejector rods and the lower contact ejector rods are arranged in a one-to-one correspondence manner; the upper contact ejector rod and the lower contact ejector rod have the same structure and comprise an external threaded rod matched with the threaded hole, and the top end of the external threaded rod is provided with a contact.

Further, the contact surface of the contact with the thin-wall copper plate is a plane or a curved surface.

Further, the area of the plane is 0.4-0.5 m ².

Further, the curvature radius of the curved surface is 0.1-0.2 m, and the curved surface area is 0.2-0.4 m ².

Further, the pitch of the threaded holes is 0.08-0.12 m.

Compared with the prior art, the utility model has the beneficial effects that: the forming device of the thin-wall copper plate can form various curved surfaces with any required curvature by adjusting the depth of the external threaded rod in the threaded hole, and is suitable for forming the curved surfaces of the thin-wall copper plate with variable curvature; the device is convenient to mold and simple to operate, not only improves the precision of the thin-wall copper plate molding device, but also improves the efficiency of the molding device, and has low cost.

Drawings

FIG. 1 is a schematic view showing the working state of a forming device of a thin-walled copper plate according to the present utility model;

FIG. 2 is a schematic view of the upper die of FIG. 1;

FIG. 3 is a schematic bottom view of FIG. 2;

FIG. 4 is a schematic view of the lower die of FIG. 1;

FIG. 5 is a schematic top view of FIG. 4;

Fig. 6 is a schematic view of the structure of the upper contact ejector rod in fig. 1.

Detailed Description

The utility model will be further described in detail with reference to the drawings and specific examples, which are given to facilitate a clearer understanding of the utility model, but are not to be construed as limiting the utility model.

The device for forming the thin-walled copper plate shown in fig. 1 comprises an upper die 1 and a lower die 5. Referring to fig. 2 and 3, the upper die 1 comprises an upper die bottom plate 6 and an upper die boss 8, the upper die boss 8 is provided with threaded holes 9 arranged in an array, and an upper contact ejector rod 2 is arranged in each threaded hole 9; correspondingly, as shown in fig. 4 and 5, the lower die 5 comprises a lower die bottom plate 11 and a lower die boss 10, the lower die boss 10 is provided with threaded holes 9 arranged in an array, and a lower contact ejector rod 4 is arranged in each threaded hole 9; the upper contact ejector rods 2 and the lower contact ejector rods 4 are arranged in a one-to-one correspondence.

The upper contact ejector rod 2 and the lower contact ejector rod 4 have the same structure, and are combined with the structure shown in fig. 6, and each of the upper contact ejector rod 2 and the lower contact ejector rod comprises an external threaded rod 12 which is matched with a threaded hole, a contact 13 is arranged at the top end of the external threaded rod 12, the contact 13 is in a plane or a curved surface, the contact surface of the contact 13 and the thin-wall copper plate 3 is in a plane, the area of the plane is 0.4-0.5 m ², the curvature radius of the curved surface is 0.1-0.2 m, and the area of the curved surface is 0.2-0.4 m ². The pitch of the threaded holes arranged in an array in the embodiment is 0.08-0.12 m.

The upper die 1 is assembled with an upper mounting plate of the four-column hydraulic press 7 through an upper die bottom plate 6, and the lower die 5 is assembled with a lower mounting plate of the four-column hydraulic press 7 through a lower die bottom plate 10. The thin-wall copper plate is placed on a lower contact ejector rod of a lower die, and is pressed into a curved surface with a required curvature through the adjustment of an external threaded rod in a threaded hole. Therefore, only one set of die is needed, and various curved surfaces with any required curvature can be formed by adjusting the depth of the external threaded rod in the threaded hole, so that the die is suitable for forming the curved surfaces of the thin-wall copper plates with variable curvatures; the device is convenient to mold and simple to operate, not only improves the precision of the thin-wall copper plate molding device, but also improves the efficiency of the molding device, and has low cost.

Claims

1. The utility model provides a forming device of thin wall copper, its characterized in that: comprises an upper die (1) and a lower die (5); the upper die (1) comprises an upper die bottom plate (6) and an upper die boss (8), threaded holes (9) which are arranged in an array are formed in the upper die boss (8), and an upper contact ejector rod (2) is arranged in each threaded hole (9); the lower die (5) comprises a lower die bottom plate (11) and lower die bosses (10), threaded holes (9) which are arranged in an array are formed in the lower die bosses (10), and a lower contact ejector rod (4) is arranged in each threaded hole (9); the upper contact ejector rods (2) and the lower contact ejector rods (4) are arranged in a one-to-one correspondence; the upper contact ejector rod (2) and the lower contact ejector rod (4) have the same structure and comprise an external threaded rod (12) matched with the threaded hole (9), and the top end of the external threaded rod (12) is provided with a contact (13).

2. The thin-walled copper sheet molding apparatus according to claim 1, wherein: the contact (13) is in a plane or a curved surface with the thin-wall copper plate (3).

3. The thin-walled copper sheet molding apparatus according to claim 2, wherein: the area of the plane is 0.4-0.5 m ².

4. The thin-walled copper sheet molding apparatus according to claim 2, wherein: the curvature radius of the curved surface is 0.1-0.2 m, and the curved surface area is 0.2-0.4 m ².

5. The thin-walled copper sheet molding apparatus according to claim 1, wherein: the pitch of the threaded holes (9) is 0.08-0.12 m.