JPS6210918U

JPS6210918U -

Info

Publication number: JPS6210918U
Application number: JP10316585U
Authority: JP
Priority date: 1985-07-06
Filing date: 1985-07-06
Publication date: 1987-01-23

Description

[Brief explanation of the drawing]

第１図ないし第５図は本考案の実施例に係るヘ
ミング型構造を示すもので、第１図はワークを上
型クツシヨンブロツクで押えた時の状態を示す断
面図、第２図は曲げ刃を示す斜視図、第３図はア
ーム部材のヘミング刃を示す斜視図、第４図はワ
ークの端部を曲げ成形した時の状態を示す断面図
、第５図はワークの端部をヘミング成形した時の
状態を示す断面図、第６図はストツパを有しない
ヘミング型構造においてヘミング刃がワークに当
たつた時の状態を示す断面図、第７図ないし第１
０図は従来のヘミング型構造による加工工程を示
す図、第１１図は従来の曲げ型を示す断面図、第
１２図は従来のヘミング型を示す断面図である。１……下型、２……曲げ刃、３，７……クツシ
ヨン部材、５……下型クツシヨンブロツク、６…
…上型、８……上型クツシヨンブロツク、９……
アーム部材、１１……パツド部（押え部）、１２
……受け面、１３……ヘミング刃、１３ａ……カ
ム部（カム機構）、１９……ローラ（カム機構）
、１８……引張スプリング、２０……ストツパ、
２２……解除レバー、Ｗ……ワーク。 Figures 1 to 5 show a hemming die structure according to an embodiment of the present invention. Figure 1 is a sectional view showing the state when the workpiece is held down by the upper cushion block, and Figure 2 is a bending die structure. Fig. 3 is a perspective view showing the hemming blade of the arm member, Fig. 4 is a sectional view showing the state when the end of the workpiece is bent and formed, Fig. 5 is hemming the end of the workpiece. 6 is a cross-sectional view showing the state when the hemming blade is in contact with the workpiece in a hemming type structure without a stopper, and FIGS. 7 to 1 are
FIG. 0 is a diagram showing processing steps using a conventional hemming mold structure, FIG. 11 is a sectional view showing a conventional bending mold, and FIG. 12 is a sectional view showing a conventional hemming mold. DESCRIPTION OF SYMBOLS 1...Lower die, 2...Bending blade, 3, 7...Cushion member, 5...Lower die cushion block, 6...
...Upper mold, 8...Upper mold cushion block, 9...
Arm member, 11... pad part (pressing part), 12
... Reception surface, 13 ... Hemming blade, 13a ... Cam part (cam mechanism), 19 ... Roller (cam mechanism)
, 18... tension spring, 20... stopper,
22...Release lever, W...Work.

Claims

[Scope of utility model registration request]

A comb tooth-shaped bending blade is fixed to a lower die which elastically supports a lower cushion block for placing a workpiece, and a comb tooth-shaped bending blade that engages with the bending blade is attached to an upper cushion block that is elastically suspended from the upper die. The upper part of an arm member having a tooth-shaped hemming blade and a presser part that presses the end of the workpiece at the lower end is swingably attached, and is placed between the arm member and the upper mold to follow the lowering of the upper mold. The hemming type structure is characterized in that a cam mechanism is provided for swinging the arm member towards the upper mold cushion block.