多孔帶凸緣端蓋的沖壓彎曲成形模具設計【彎曲件沖孔落料復合模、彎曲模含2副模具21張CAD圖帶卡片】
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彎曲件模具設計 摘要：本設計題目為彎曲成形模設計，是典型的彎曲模設計，反映了彎曲件設計的要求，內(nèi)容及方向，有一定的設計意義。通過對該模具的設計，進一步加強了設計者對彎曲成形?；A知識的了解，為設計復雜成形模具，做好了鋪墊和吸取更深刻的經(jīng)驗。本設計運用了沖裁和和成形工藝及模具設計的基礎知識，首先分析了零件的成形成形工藝性，是否適合成形。然后計算了毛坯的尺寸及材料利用率，為選用板材做好了準備。最后分析制件的特征，確定合理的工藝參數(shù)，設計要點及推件，打料裝置的選取。本制件用兩套模具制造，沖裁模和彎曲模。沖裁模為倒裝復合模，模具在一次行程中即落料又沖孔，可以保證制件的位置精度。該模具設有彈性卸料裝置和推件裝置，模具回程時，彈性卸料板把卡在凸凹模上的板料推下，同時推件塊把凹模內(nèi)的制件推下，完成一次沖壓。彎曲模采用自由彎曲成形，制件的精度要求不高可以滿足要求，由于彎曲件的回彈作用，在模具底部設有推件裝置，防止模具在上升時，制件卡在凹模內(nèi)。關鍵詞：沖裁模 彎曲模 彈性裝置 推件塊 mould design of the bend part Abstract：The requirement ，content and direction of the design of the bend rormingdie are embodied on this injection mould design of the bend part . The designer’s foundation knowledge of the injection mould design is reinforced and is able to design more complex injection mould through the design. This design has utilized the blanking and the elementary knowledge which designs with the formed craft and the mold, first has analyzed the components formed forming technology capability, whether suits forms.Then has calculated the semifinished materials size and the material use factor, was selects the plate to prepare for.Finally analyzes the workpiece the characteristic, determined the reasonable craft parameter, designs the main point and pushes, hits the material installment the selectio This workpiece makes with two sets of molds, punching die and bending die.The punching die is the inversion superposable die, the mold namely falls the material punch holes in a traveling schedule, may guarantee the workpiece the position precision.This mold is equipped with when the elastic dumping device and pushes an equipment, the mold return trip, the elasticity unloads the yard lumber the card on convex-concave mold sheet to push down, simultaneously pushes a block to push down the concave mold in workpiece, completes a ramming.The bending die uses the free curving forming, the workpiece precision request not high may satisfy the request, as a result of the curving snapping back function, is equipped with in the mold base pushes an equipment, prevents the mold when the rise, workpiece card in concave mold. Key word: Punching die bending die springing Pushes a block