阅读说明：本技术 一种薄壁钣金件半模闸压成形方法及装置 (Half-mode brake press forming method and device for thin-wall sheet metal part ) 是由 王晓康 任广义 何万飞 于 2020-03-30 设计创作，主要内容包括：本发明公开了一种薄壁钣金件半模闸压成形方法及装置,涉及飞机结构件成形技术领域,其成形方法通过钢质凸模将零件坯料压入限定在固定空间内的弹性柔性模中,通过弹性柔性模对零件坯料施加反向作用力而包压成形。本发明还公开了一种成形装置,包括钢质凸模、固定槽和弹性柔性模；其中,所述钢质凸模设置有与待成型的薄壁钣金件相匹配的成型面；固定槽一面设置有开口；弹性柔性模安装在固定槽内。本发明公开的一种薄壁钣金件半模闸压成形方法及装置,采用弹性柔性模代替现有的钢质凹模,通过钢质凸模将零件坯料压入弹性柔性模中,通过弹性柔性模的反向作用下将零件坯料包压在钢质凸模上成形,该方法中弹性柔性模可重复利用,且不易刮花零件表面。(The invention discloses a half-die brake press forming method and a half-die brake press forming device for a thin-wall sheet metal part, and relates to the technical field of forming of aircraft structural parts. The invention also discloses a forming device, which comprises a steel male die, a fixed groove and an elastic flexible die; the steel male die is provided with a forming surface matched with the thin-wall sheet metal part to be formed; one side of the fixing groove is provided with an opening; the elastic flexible die is installed in the fixing groove. The invention discloses a half-die brake press forming method and a half-die brake press forming device for a thin-wall sheet metal part, wherein an elastic flexible die is adopted to replace the existing steel female die, a part blank is pressed into the elastic flexible die through a steel male die, and the part blank is pressed on the steel male die to be formed under the reverse action of the elastic flexible die.)

1. A half-mode brake press forming method of a thin-wall sheet metal part is characterized by comprising the following steps: the part blank is pressed into an elastic flexible die limited in the fixed space through a steel male die, and the part blank is subjected to covering and pressing forming by applying reverse acting force to the elastic flexible die.

2. The half-die brake forming method of the thin-wall sheet metal part according to claim 1, characterized in that: the elastic flexible die is always in a pressed state in the fixed space.

3. The half-die brake forming method of the thin-wall sheet metal part according to claim 2, characterized by comprising the following steps:

the method comprises the following steps of (1) placing an elastic flexible die into a fixed groove which is made of a rigid material and has an opening on one surface, wherein the surface, close to the opening, of the elastic flexible die is flat;

mounting a thin-wall sheet metal part blank to be formed on one surface of the elastic flexible die close to the opening; arranging the forming surface of the steel male die corresponding to the part blank;

and moving the steel male die to press the part blank into the elastic flexible die and keep the part blank molded.

4. The half-die brake forming method of the thin-wall sheet metal part according to any one of claims 1 to 3, wherein the steel male die presses the part blank into the elastic flexible die in the gravity direction.

5. A half-die brake forming device for thin-wall sheet metal parts, which is used for the method disclosed by claims 1-4 and comprises the following steps:

the steel male die is provided with a forming surface matched with the thin-wall sheet metal part to be formed;

one surface of the fixing groove is provided with an opening and is made of rigid materials;

and the elastic flexible die is arranged in the fixed groove and is prepared from an organic elastic material.

6. The apparatus of claim 5, wherein: the fixed slot is equipped with be provided with on the open-ended terminal surface at least two with the setting element of connection can be dismantled to the fixed slot, two the setting element is located the open-ended both sides respectively.

7. The apparatus of claim 5, wherein: the fixing groove comprises a U-shaped through groove and two baffles; the two baffles are detachably connected with two ends of the U-shaped through groove respectively; the two baffles and the U-shaped through groove form a fixing groove structure provided with an opening.

8. The apparatus of claim 7, wherein: the U-shaped through groove is connected with each baffle through a pin and a screw.

9. According to claim 5The above-mentionedIn a deviceThe method is characterized in that: the elastic flexible die is prepared from a polyurethane material.

10. The apparatus of claim 5, wherein: the steel male die comprises a male die main body, a connecting part arranged on the male die main body and a male die molded surface; the connecting parts and the convex model surface are symmetrically arranged at two ends of the male die main body; the connecting part is used for connecting a driving device for driving the steel male die to move.