200918301 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種模具緩衝裝置之控制方法。 本案係根據2007年8月3〇日於日本申請之日本 2007-224495號主張優先權，且在此引用其内容。、’、 【先前技術】 模具緩衝裝置係為在衝壓（press)機械中在與上模具 之間用以包夾工件且產生工件之緊屋壓力之機構。一= 言’模具緩衝係由具有上下動作之活塞（pist〇n)之= 複數個£WCyllnder)所驅動，且藉由以閥來控制進出二 Μ红之空氣或油之流量，來獲得所期望之緩衝動作 =狀專利文獻卜2)。在專利文獻lt，係揭示^ 、油壓壓缸之構成之—例，而在專散獻2巾，係揭示 有併用空氣壓壓缸與油壓壓缸之構成之一例。〃 衝動^圖係顯示專利文獻1所記載之模具緩難置之緩 % = 4圖所示’在滑塊（Slide)通過下死點後，於鎖定 進具、^衝之，態下，藉由卫件搬運裝置上下動作來 之取出。才莫具緩衝係以出側工件搬運裝置從位於 极具緩衝之最上部之胚件 、 後，將铛—攸 丈持-(blank holder)充分離開 、'疋、’、；了再開始上升之方式控制。 [專利文獻1]曰本特開平7-24600號公報 [專利文獻2]日本特許第挪咖號公報 【發明内容】 320558 5 200918301 [發明欲解決之問題] 然而，一般而言，搬運裝置在其結構上，由於上下（縱） 方向之移動速度比水平（橫）方向低，因此會成為謀求搬運 速度提升之際之妨礙。結果，在衝M加工之週㈣間（cycie rn)之短縮化產生限制’而無法充分提升衝屋機械之處理 硓力（生產力）。 本發明係有鑑於此種情事而研劍 種藉由將舻搔继罢+L / j有其目的在&供一 二 運裝置之上下(縱)方向之移動距離縮短，將週 [解決問題之方案] 4㈣裝置之控制方法。 件：發明係關於一種具有搭載於衝壓機械，用以承載工 舍以可升降方式構成之工件承载部之模具緩衝裝置之 詈脾-P、+、, 便孤運則述工件之工件搬運裝 載於前述工件承載部之動作及從前述工件 之:f件之動作對應，來進行前述工件承載部 匕外在上述模具緩衝裝置之批生丨1 從前述衝壓機朽#收置之控制方法中，係以隨著 町爱機械内將施有衝壓加工之. 出側工件搬運裝置下降 70成工件搬出之 完成工件之件承载部接受前述加工 升到前述接高度之動作，而將前述工件承載部上 、工件父接高度為較佳。 運裝置從前述工件交接：二：：工完成工件之前述出側搬 载部從前述工件交接高=降為=作’而將前述工件承 320558 6 200918301 此外，在上述模具緩衝裝置之控制方法中，係 把持並搬入將施以衝壓加工之未 迎者 内之入側工件搬運裝置下降到將前述未=:=! 述工件承載部之工件承載高度之動作，而將前述工 邛上升到前述工件承载高度為較佳。 载 再者，係以隨著將前述未加工工 工 載4上之耵述入側工件搬運裝置從前述工件承載言 4 <動作，而使前述工件承載立卩彳#， 同又升 ，較佳。 件承载#刚述工件承载高度下降為 [發明炙功效] 依據本發明’可獲得以下之效果。 配伽)工件搬運裝置下 回度之時點（t_g)而使工件承載部上 載 件搬運裝置之上下動作之量。.因此，相較於 載部及工件搬運裝置之上下動作之件承 運裝置從衝屢機械内進退之際所需之時間縮短。因2件搬 力，亦即生產力。 美升衝堡機械之處理能 【實施方式】. 一詳細說明本發明之模具緩衝控制方法之 5施形恶。另外，各財共 π去之 且省略重複之說明。 係馱予相同符號， I先’參照第1圖說明具傷藉由本、 驅動控制之模具緩衝裝置月之k制方法所 機械】之概略構成。 320558 7 200918301 如第1圖所示，在此衝壓機械丨中，係將連桿 nnecting rod)3連結於曲柄軸（crank)2之偏心部。此 曲柄軸2係藉由主馬達（未圖示）旋轉驅動，而曲柄轴 之㈣係透過連桿3而轉換為往復直線動作，幻吏連結 於連桿3下端之滑塊（siide)4ji下動作。再者，在滑塊^ 二係女裝有上模具5。在前述滑塊4之下方係配置有 )6,而於底座6上係設置有承樑（b〇lster)7,而 了 ！上係支撐有下模具8。根據此種構成，藉由滑塊4 < ’而將***於上模具5與下模具^之間之工件w 予以衝壓加工。 上述模具緩衝裝置10係用以在與前述上模具5之間產 ^=?之緊麵力者。此模具緩衝裝置1G係具備：模具 1可升降之方式構成且以上表面支撐工件W，並 且在工件w加工時，在與上模具之間包夾工件w使之下降、 升降驅動機構15，使模具緩衝u升降驅動、及控制裝置 18，控制升降驅動機構15之驅動。 具緩衝U係由供工件W承載之胚件夹持器(工件承 、以上端支稽轉夹持器12且將承樑7貫通而延 後衝勒（ριη)13、及支撐緩衝銷13之 緩衝墊部14所構成。 或一 ^此胚件夹持裔、12、緩衝銷13及緩衝墊部14係成 '、、、一 7上下動作。另外，通常胚件夾持器12係依據模具 之種類來交換。 在本實施形態中，升降驅動機構15係由使模具緩衝 320558 8 200918301 L1^下動作之壓缸（cylinder)16、及驅動壓紅16之壓叙 ::源尸所構成。壓紅16以從壓虹驅動源17供給之油壓 乳壓等流體來驅動’而模具緩衝η係以壓缸16來上 ::動’於工件w被沖壓加工時，藉由在模具緩衝η之最 上他件夾持器12)與上模具5之間包 牛 工件w之緊壓。 而進仃 控制裝置18係以配合滑塊4之動作使模具緩衝Μ ，為l切之位置方式控制驅動源17。模具緩衝u之上 下位置係藉由位置檢測器23檢測’而曲柄軸2之旋轉角产 走轉角度檢測器24檢測’且此等檢測資料偷 = 以位置檢測器23而言，係可適用磁歪式線 ! 生編碼益、磁性或光學式線性計量裝置（1化的1_ seaie)。 以旋轉角度檢測器24 *言，係可使用光學式旋轉（r〇 編碼器或分解器（resolver)。 控制裝置18係根據來自位置檢測器23與旋轉 測器24之檢測資料，以與曲柄轴2連動之滑塊4 = 及模具緩衝η之位置成為適當之關係之方字、 賦予至壓缸驅動源17。 控制毛々 μ以盧紅驅動源i 7之構成而言，係可使用例如日本專 第2568069號所示之構成。以控制方法而言，— 小位置偏差之方式進行反饋（feed back)控制，亦可併十' 饋（feed f〇rwarci)控制來改善控制特性。 别 在衝壓機械1之前後，為了進行衝壓間之工件搬運， 係設置有入側工件搬運裝置（工件搬運裝置）19與出^工 320558 9 200918301 件搬運裝置（工件搬運裝置）21。 之工二置19係以八側把持部2〇把持未加:200918301 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to a method of controlling a mold cushioning device. The present invention claims priority based on Japanese Patent Application No. 2007-224495, filed on Jan. 3,,,,,,, , [Previous Technology] The mold cushioning device is a mechanism for sandwiching a workpiece between the upper mold and the upper mold in a press machine and generating a tight pressure of the workpiece. A = 'Mold buffer is driven by a piston with up and down motion (pist〇n) = a plurality of £WCyllnder), and by using a valve to control the flow of air or oil into and out of the blush, to obtain the desired Buffering action = like patent document 2). In the patent document lt, the configuration of the hydraulic cylinder is disclosed, and an example of the configuration of the air pressure cylinder and the hydraulic cylinder is disclosed.冲 Impulse ^ map shows the slowness of the mold set in the patent document 1 = 4 shown in the figure "after the slide passes through the bottom dead center, in the state of the lock, the punch, the state, borrow It is taken out by the up and down movement of the guard conveying device. Only when the side workpiece handling device is placed from the topmost part of the buffer, the blank holder is fully removed, '疋, ', and then rises again. Mode control. [Patent Document 1] Japanese Patent Laid-Open No. Hei 7-24600 (Patent Document 2) Japanese Patent No. No. No. No. No. No. No. No. No. No. No. No. No Structurally, since the moving speed in the up-and-down (longitudinal) direction is lower than the horizontal (horizontal) direction, it is an obstacle to the improvement of the conveyance speed. As a result, there is a limit in the shortening of the cycie rn of the processing of the M process, and the processing power (productivity) of the Chongwu machine cannot be sufficiently improved. The present invention is based on the fact that the sword is used to reduce the moving distance of the upper and lower (longitudinal) directions of the second and second transport devices by the purpose of reducing the moving distance of the squadron + L / j. Scheme] 4 (four) device control method. Article: The invention relates to a spleen-P, +, which is mounted on a stamping machine for carrying a mold buffering device of a workpiece carrying portion of a work house which can be lifted and lowered, and the workpiece is conveyed and loaded on the workpiece. The operation of the workpiece carrying portion and the control of the batch of the mold buffering device from the workpiece buffering device in response to the operation of the workpiece: The workpiece carrying portion of the finished workpiece transporting device is lowered by 70%, and the workpiece carrying portion of the finished workpiece is lifted to the height of the workpiece, and the workpiece carrying portion is placed on the workpiece carrying portion. The workpiece parent height is preferred. The transport device is handed over from the workpiece: two: the workpiece is completed, the front side loading portion of the workpiece is transferred from the workpiece to the height ===, and the workpiece is received 320558 6 200918301. Further, in the control method of the mold buffer device Lifting and moving into the workpiece handling device in the unmanned person who is subjected to the press processing, and lowering the work load height of the workpiece bearing portion in the above-mentioned non-:=!, and raising the aforementioned workpiece to the workpiece The load height is preferred. In addition, the workpiece is carried by the workpiece loading device as described above, and the workpiece is loaded with the workpiece. good. The load carrying capacity of the workpiece is reduced as follows. [Inventive effect] According to the present invention, the following effects can be obtained. The amount of movement of the carrier carrying device on the workpiece carrier is increased by the time (t_g) at the lower end of the workpiece handling device. Therefore, the time required for the advancement and retraction of the carrier from the upper portion of the carrier and the workpiece handling device is shortened. Because of the 2 pieces of force, that is, productivity. Processing Energy of Meisheng Chongbao Machinery [Embodiment] A detailed description will be given of the mold damping control method of the present invention. In addition, the explanations are omitted. The same reference numerals will be given to the first embodiment, and the first embodiment will be described with reference to Fig. 1 for a schematic configuration of a method for manufacturing a mold buffer device according to the present and driving control. 320558 7 200918301 As shown in Fig. 1, in the press machine, the connecting rod nnecting rod 3 is coupled to the eccentric portion of the crank shaft 2. The crankshaft 2 is rotationally driven by a main motor (not shown), and the crankshaft (4) is converted into a reciprocating linear motion through the connecting rod 3, and the phantom is connected to the lower end of the connecting rod 3 (siide) 4ji action. Furthermore, in the slider ^ two women's clothing has the upper mold 5. There is a 6 under the slider 4, and a bolster 7 is provided on the base 6, and! The upper system supports the lower mold 8. According to this configuration, the workpiece w inserted between the upper mold 5 and the lower mold 2 is press-processed by the slider 4 < The mold cushioning device 10 is used to produce a tight surface force with the upper mold 5. The mold cushioning device 1G is configured such that the mold 1 can be raised and lowered and the upper surface supports the workpiece W, and when the workpiece w is processed, the workpiece w is sandwiched between the upper mold and the lower mold, and the driving mechanism 15 is lifted and lowered, and the mold is lifted. The buffer u lift drive and control device 18 controls the driving of the lift drive mechanism 15. The buffered U is a blank holder held by the workpiece W (the workpiece holder, the upper end of the support holder 12 and the bolster 7 is passed through to delay the rush (ριη) 13, and the support cushion pin 13 The cushion portion 14 is formed. Alternatively, the blank holder 12, the cushion pin 13 and the cushion portion 14 are driven up and down, and the blank holder 12 is usually in accordance with the mold. In the present embodiment, the lift drive mechanism 15 is composed of a cylinder 16 that operates the mold buffer 320558 8 200918301 L1 and a drive pressure red 16: the source body. The red pressure 16 is driven by a fluid such as a hydraulic pressure supplied from the pressure driving source 17, and the mold buffer η is pressed by the pressure cylinder 16: when the workpiece w is press-processed, by buffering the mold η At the top of the other, the holder 12) and the upper mold 5 are pressed against the upper workpiece w. The feed control device 18 controls the drive source 17 in such a manner that the mold is buffered by the action of the slider 4. The upper and lower positions of the mold buffer u are detected by the position detector 23 and the rotation angle of the crank shaft 2 is detected by the rotation angle detector 24' and such detection data is stolen = the position detector 23 is applicable to the magnetic field. Line! Raw coded, magnetic or optical linear metering device (1_seaie). With the rotation angle detector 24, an optical rotation (r〇 encoder or resolver) can be used. The control device 18 is based on the detection data from the position detector 23 and the rotation detector 24, and the crankshaft. The interlocking slider 4 = and the position of the mold buffer η are in an appropriate relationship, and are given to the cylinder driving source 17. The control burr μ is used in the configuration of the Luhong driving source i 7, for example, Japan can be used. The composition shown in No. 2568069. In terms of the control method, the feedback control is performed in the manner of small position deviation, and the control characteristics can be improved by the feed f〇rwarci control. Before and after the machine 1, in order to carry out the conveyance of the workpiece between the presses, the entry-side workpiece transfer device (work transfer device) 19 and the work-out 320558 9 200918301 transfer device (work transfer device) 21 are provided. With the eight-side control unit 2〇 control is not added:
上之動作，藉此將工件且二其移動而放置於胚件央持器U 工件搬運裝置21、传：出=:至衝輪1。此外，出側 係以出側把持部22把持加工後之工件 ，千搬運裝置19及出側卫件搬運裝置21而言係可 用機械人或專用之簡（transfer)裝置。 ’、業 在入側工件搬運裝置19中係 之高产（上下办w 測入側把持部20 (下位置）之局度檢測器26。再者，藉由此 測益26所檢測出之前述把持部2〇之高度信號俜傳：：： 制裝置18。 就係傳迗至控 =樣地’在出側工件搬運裝置21中係設有檢測出側把 持邛22之南度（上下位置）之高度檢測器^。再者 ，檢測器25所檢測出之前述_ 22之高二 傳送至控制裝置18。 〇说係 以藉由上述高度檢測器25、26之檢測方法而古， 以旋轉編碼器或分解器來檢測驅動項搬運裝置= 之各軸馬達之旋轉角度且使用根據驅動裝置之尺寸 轉換公式來計算求出之方法。此外，除此以外之方法匕之 係可使用將光反射裝置設置於把持部2〇、22且以光與， 離測量器來檢測之手段、將磁鐵設置於把持冑2〇、^式:巨 磁性位置測量器來檢測之手段、或將從把持部2〇、以:= 320558 10 200918301 、’'向可動式延長之臂部（arm)之高度以設於垂直方向之 磁/·生或光學式線性編石馬器—線性感測器來檢測之手段等。 &、亦p控制裝置18係根據藉由高度檢測器25、26 =:出之把持部2〇、22之高度信號（檢測資料），以盘前述 ==〇、22之上下動作對應之方式控制成進行前述模具 綾衝11(胚件夹持器12)之上下動作。 衝：:：林另實:形在態之模具缓衝裝置〗°中之模具緩 動作另外，在以下說明中模具緩衝丨丨之動作， ^:::器12之上下動作對應。第2圖係為顯示藉由控 ==控制在1週期期間之模具緩衝11(胚件夹持器 入側工侔讲另外第2圖所示之1週期，係包括在藉由 ,1^ ,ΓΛΤ19 1 — 0出側工件搬運裝置21將施有衝壓加工之加 工元成工件W’從衝壓機械1搬出之過程。. =2圖所示’在l it期之開始，係藉由入側工件搬 運裝且19將未加搬運至衝壓 程>把持將施加衝壓加工之未加工工件w一= =9之入側把持部2。，係藉由在衝壓機 降運 將把持於入側把持部2。之未加工工件W承载於模= 11最上部之胚件夾持器12上。 ' ^ 工工二制裝置18係隨著前述入侧把持部20將未加 件载於模具緩衝^之動作’而進行使前述模呈緩 升之控制。具體而言，控制裝置18係根據來自位 置檢測器23與高度檢測器％之檢測資料，由前述： 320558 11 200918301 持部20把持未加工工# w，而在下降到將未加工工件μ 载於模具緩衝11上之工件承载高度HI之間，控制升降驅 動機構15之驅動以使模具緩衝u之高度上升。更具體而 言/控制裝置18係參照入側工件搬運裝置.19之高度信號 (焉度檢測器26)，將控制信號賦予至㈣驅動源17以使 胚件央持器12上升到工件承载高度fll。 另一一方面，入側工件搬運裝置19係藉由在工件承載高 度H1之高度放開未加工工件w，而可將未加工工件與 承載於胚件夾持器12上。 貝 此由於模具緩衝隨著入側把持部之下降動作而 *1升i因此人側把持部2G相對於模具緩衝11下降之距離 (里）變短’而可縮短人側把持部2{)進人衝㈣械 所需時間。 τ 將未加工工件W承載於模具緩衝11(胚件夹持哭12) 上之後，入侧把持部20係藉由上升而從衝壓機械/内退 避此蚪’控制裝置18係隨著入側把持部20之上升動作， 進行使前述模具緩衝U下降之控制。 升動作 古痒二體而5 ’控制裝置18係根據來自位置檢測器23與 工:备測為26之檢測資料，在前述入侧把持部20從前述 以上:之間，控制升降驅動細之驅動 係象昭ΓΓ 度下降。更具體而言，控制裝置18 26)，將批t件搬運裝置19之高度信號（高度檢測器 :工制信號賦予至壓缸驅動源17，胚号 12從工件承載高度耵下降。 又待益 320558 12 200918301 如此，由於模具緩衝丨丨隨著入側把持部2〇從衝壓機 械1内退避之際之上升動作而下降，因此可在短時間内使 模具緩衝11與入側把持部20離開達預定距離（不會產生模 具緩衝11與未加工工件W接觸之距離）。因此，可將使入 侧把持部2G上升之距離縮短，且可縮短人側把持部如從 衝壓機械1内退避之際之所需時間。 藉此，未加工工件f之搬運過程即結束。 另外，在本實施形態中，模具緩衝21雖係於承載未加 工工件W之後，從入側把持部20開始上升之時點些許延 再開始下降，惟亦可在剛承載未加工工件w之後就開始下 降。猎此，即可在更短時収模具麵11與人側把持部 2〇離開達預定距離。 ,再者，在滑塊4下降，上模具5接觸未加工工件¥之 後L模具緩衝11亦被滑塊4下降之動作推壓而下降。此時， 進订在上模具5與胚件夾持器12之間產生適當之緊壓力之 控制’且藉由施以衝壓加工來產生加工完成工件r。在严 塊4通過下死點而轉為上升之後，模具緩衝^係延遲從下 升將加工疋成工件W’承載於胚件夾持器12上。 芦趙w藉由出側工件搬運裝置21將加工完成1件w，從衝 反機械1内搬出（b:搬出過程）。 此時’控制裝置18係隨著出側把持部22之下 ， 進行使前述模呈緩徐〗】 Η係枯墟决、/、' 上升之控制。具體而言，控制裝置 Λ自位置檢測器23與高度檢測器25之檢測資 枓，在出側把持部22下降到工件交接高度Μ為止之 320558 13 200918301 控制升降驅動機構15 升。更具體而言’控制裝置叙衝11之高度上 21之高度信號（高度檢測器 照出側工件搬運裝置 動源17 ’以使肱件失持 ’將控制信號賦予至壓缸驅 度耵。 之上表面上升到工件交接高 另一方面’出側把持部 接高度待機之承载於莊件夹持；到在前述工件交 W ，而可把持此加工完成工件『。之加工完成工件 在北’加工完成工件Ψ係藉由衝壓成 1古 ^因此從衝機械〗内搬出加工完成牛::有凹凸： 成工件w，接觸模具緩衝π之可能性會變二—，加工完， 因此，在將出側工件搬運裝置 把持之加工完成工件w， _把持部22所 4 ^ 衝壓機械1内搬出時，相輕於蔣 把持於入側工件搬運裝置19,之入側把持部2〇之未力工工 件W搬入於機械1内之情形，須使加卫完成工件V上 升到更南之位置，以使不與模具緩衝11接觸。 因此’本實施形態之控制裝£ 1δ.係隨著出侧把持部 22從衝廢機械！内退避之際之上升動作而進行使模且 11下降之控制。 ^具體而言，控制裝置丨8係根據來自位置檢測器23與 高度檢測器25之檢測資料，在出側把持部22把持加工完 成工件W’而從工件交接冑度H2上升之間，控制升降驅$ 機構15之驅動以使模具緩衝11之高度下降。更具體而言， 控制裝置18係參照出側把持部22之高度信號（高度檢測器 320558 14 200918301 25)，將控制信號賦予至壓缸驅 、 12下降到較工件交接高度肚更下方。’以使胚件夾持器 如此，可在短時間内使模具緩衝u 離開達預定距離(不會產生模具缓衝心力 之接觸之距離）。此外，藉由防止模具緩衝件r :::持部22之加工完成工件r之機械 側把持部22上升之距離縮短，即可 :並且使出 摩機械1内退避之際之所需時間縮短。 夺部22從衝 另外，在本實施形態中，模且 / 完成工件r之後，從出側把持部 二：：接加工 延遲再開始下降，惟亦可在剛交接加許 開始下降。藉此，即可在更短時間使模成二之後就 持部22離開達預歧離。1使與出側把 =緩衝U係在下降到不與把持於出 加工完成工件W，接總Ά甚*从 '^ 声而κ , 後’將胚件夹持器12之上 表面上升到初期待機位置。藉此搬出過程即線了。 、2本發明之模具緩衝控制方法，如上所述係以與入 載”二工件搬運裝置19、21之上下動作(移動於工件承 =；^Γ2之動作)對應之方式進行模具 側工件崎置;二下動作，因此可減低入側、出 出細= 之上下動作之量。因此，可將入側、 :工件搬運裝置19、21從衝壓機械1内進退之際所需要 才間鈿紐。因此，如第3圖所示以搬出過程為例之情形， 第3圖之線L1所示，可將模具緩衝11較線L2所示之習 320558 15 200918301 知技術更早之時點（相去 L 、々日田ΐ 1)，使搬運過程終了。另 ^在搬人過程中亦可獲得同樣之作用效果。因此，藉由 IS短衝廢加工之週期样 g 力，亦即提升生產力。…/可提升衝壓機械之處理能 _卜^ 1明並不限定於上述實施形態，在不脫離本 I月之主曰之範圍内均可作適 夾持器12之動作之手段 α ’以：制胚件 * $ 、 而σ，除猎由改變閥之間度來改變 ^ ^ # 又卜’尚可採用藉由使可變容量泵 相哭Γ . 孔次，由之抓里之手段、及藉由反 ^ nVer丨打)使輯泵之馬達之旋轉變化來改變空氣或 定於上述之各手段 油之流量之手段等。改變！ 〆 — 、、 軋次，由之流1之手段，並不限 汽你：外’在上述實施形態中，雖係顯示以藉由油壓或空 =懸16使模具緩衝u上下動作之方式，= 如日本專服馬達使緩衝上下動作之模具緩衝（例 日本專利弟321 1904號所示之裝置）。 達之=哭^可將飼服馬達縮小、供給電力至飼服馬 S —轉換器—變壓器縮小、減低電力消耗之效果。 使模呈上述實施形態中’雖係顯示以1個屋缸16 且有、由0盘上下動作之構成，惟本發明亦同樣可適用在 2㈣與空錢之2關紅之構成、在上升與下降 之壓缸16之構成、以複數個壓缸分散負# 二 叙構成不同之情形。 刀散負載之構成等壓 此外，在上述實施形態令，雖係顯示滑動驅動機構為 320558 16 200918301 m 曲柄式之曲柄㈣之例，惟本發明對於無曲柄衝壓 ^anUesspress)、連捍衝壓（Iinkpress)、曲柄連桿衝 錄nucki e press)、飼服衝麗等其他驅動形式之衝麗機械 之緩衝裝置’亦同樣可適用。 士此外，在上述實施形態中，以滑塊4之位置檢測方法 而言，雖係顯示檢測曲柄軸2之旋轉角度之方法，惟使用 f學^或磁絲性編碼㈣線性料裝置來直接檢測滑塊 4之鬲度之方法亦可適用。 (產業之可利用性） ▲依據本發明，係在衝遷機械令於與上模具之間用以包 夾工件且產生工件之緊麵力之模具緩衝裝置中，藉由將 =運裝置之上下（縱）方向之移動距離縮短，即可將週期時 間縮短，而使生產力提升。 【圖式簡單說明】 第1圖係為顯示使用本發明之驅動方法之衝壓機械之 概略構成圖。 f 2圖係為顯示本實施形態之模具緩衝之動作圖。 罘3圖係為顯示本實施形態之模具緩衝之動作之一 分圖。 第4圖係為顯示習知技術之模具緩衝之動作圖。 【主要元件符號說明】 : 衝，械 2 曲柄（crank)車由 連才干（connecting、r〇d) 5 上模具 滑塊 5 上模具 320558 17 4 200918301 6 底座（bed) 7 # (bolster) 8 下模具 10 模具缓衝裝置 11 模具緩衝 12 胚件夾持器（工件承載部） 13 緩衝銷（pin) 14 緩衝墊部 15 升降驅動機構 16 壓缸 17 壓缸驅動源 18 控制裝置 19 入侧工件搬運裝置 20 入侧把持部 21 出側工件搬運裝置 22 出侧把持部 23 位置檢測器 24 旋轉角度檢測器 25 南度檢測器 26 局度檢測益 W 工件 18 320558In the above action, the workpiece and the second workpiece are moved to the workpiece holder U, and the workpiece handling device 21 transmits: = to the wheel 1. Further, the exit side is gripped by the exit grip portion 22, and the thousand transport device 19 and the exit guard transport device 21 can be used by a robot or a dedicated transfer device. 'The production is high in the workpiece handling device 19 of the entry side (the upper and lower sides w measure the degree detector 26 of the side gripping portion 20 (lower position). Further, the aforementioned control detected by the benefit 26 The height signal of the part 2〇::: The device 18 is connected to the control unit 2, and the south side (up and down position) of the side grip 邛 22 is detected in the workpiece handling device 21 on the exit side. The height detector is further transmitted to the control device 18 by the detector 222. The 〇 is said to be rotated by the detection method of the height detectors 25 and 26 described above. The resolver detects the rotation angle of each of the shaft motors of the driving item conveying device and calculates the method by using the size conversion formula of the driving device. In addition, the method of using the light reflecting device can be used. The means for detecting the parts 2〇, 22 and detecting the light and the measuring device, the means for setting the magnet to the holding 胄2〇, the type: the giant magnetic position measuring device, or the means for detecting from the gripping unit 2 := 320558 10 200918301 , ''To moveable extension The height of the arm is measured by a magnetic/synergy or optical linear stone-horse-line sensor placed in the vertical direction, etc. The control device 18 is also based on The height detectors 25, 26 =: the height signals (detection data) of the gripping portions 2, 22 are controlled to perform the aforementioned mold ramming 11 (the ejector clip) in such a manner that the above-mentioned operations of the discs == 〇, 22 Holder 12) above and below action. Chong::: Lin is another real: the mold in the state of the mold buffer device 〖° mold slow action In addition, in the following description of the mold buffer 丨丨 action, ^::: 12 The upper and lower movements correspond to each other. The second figure shows that the mold buffer 11 during one cycle is controlled by the control == (the blank holder is in the side of the work, and the other cycle shown in Fig. 2 is included. From the 1^, ΓΛΤ19 1 - 0 exit-side workpiece transport device 21, the processing of the workpiece W-processed into the workpiece W' is carried out from the press machine 1. The image shown in Fig. 2 is at the beginning of the l it period. By the in-side workpiece handling device and 19 will not be transported to the stamping process> the unprocessed workpiece to be subjected to press working will be held w ===9 The side gripping portion 2 is held by the entry side gripping portion 2 by the press of the press. The unprocessed workpiece W is carried on the uppermost blank gripper 12 of the mold = 11. ' ^ 工工二制The device 18 controls the mold to be gently raised as the inlet side gripping portion 20 carries the unloaded member to the mold buffer. Specifically, the control device 18 is based on the position detector 23 and the height. The detection data of the detector % is controlled by the above: 320558 11 200918301 The holding unit 20 holds the unworker #w, and controls the lifting drive mechanism between the workpiece carrying height HI which is lowered to the unprocessed workpiece μ on the mold buffer 11. The drive of 15 increases the height of the mold buffer u. More specifically, the control device 18 refers to the height signal (the temperature detector 26) of the entry side workpiece handling device 19., and gives a control signal to the (four) drive source 17 to raise the blank holder 12 to the workpiece carrying height. Fll. On the other hand, the entry side workpiece conveying device 19 can carry the unprocessed workpiece and the raw workpiece holder 12 by releasing the unprocessed workpiece w at the height of the workpiece carrying height H1. Since the mold cushioning is reduced by the movement of the entry side gripping portion by *1 liter, the distance (inside) of the human side gripping portion 2G with respect to the die cushion 11 is shortened, and the human side gripping portion 2 can be shortened. The time required for a person to punch (four). τ After the unprocessed workpiece W is carried on the mold cushion 11 (the blank is held by the blank 12), the entry-side gripping portion 20 is retracted from the press machine/inward by the lifter, and the control device 18 is controlled by the entry side. The raising operation of the unit 20 performs control for lowering the mold buffer U. The 5' control device 18 is controlled based on the detection data from the position detector 23 and the device 26, and the driving control unit 20 controls the driving of the lifting drive from the foregoing: The system has declined. More specifically, the control device 18 26) imparts a height signal (a height detector: a work signal to the cylinder driving source 17) of the batch t-piece conveying device 19, and the embryo number 12 is lowered from the workpiece carrying height 。. 320558 12 200918301 In this way, since the mold cushion 下降 is lowered as the entry-side grip portion 2 退 is retracted from the press machine 1 , the mold cushion 11 and the entry-side grip portion 20 can be separated in a short time. The predetermined distance (the distance between the die cushion 11 and the unprocessed workpiece W is not generated). Therefore, the distance for raising the entry side grip portion 2G can be shortened, and the human side grip portion can be shortened as if it is retracted from the press machine 1 Therefore, the conveyance process of the unprocessed workpiece f is completed. In the present embodiment, the mold cushion 21 is attached to the unprocessed workpiece W, and the entrance gripping portion 20 starts to rise a little. The delay starts to decrease again, but it can also start to fall after just carrying the unprocessed workpiece w. In this case, the mold surface 11 and the human side grip portion 2 can be separated by a predetermined distance in a shorter time. slip The block 4 is lowered, and the upper mold 5 is brought into contact with the unprocessed workpiece. The L mold buffer 11 is also pushed down by the action of the lowering of the slider 4. At this time, the binding is appropriately generated between the upper mold 5 and the blank holder 12. Control of the tight pressure' and by applying a stamping process to produce the finished workpiece r. After the block 4 is turned up by the bottom dead center, the mold buffer is delayed from the lower to the workpiece W' On the blank holder 12, Lu Zhaow finishes one piece of w by the exit side workpiece transport device 21, and carries it out from the punching machine 1 (b: carry-out process). At this time, the control device 18 follows Under the exit grip portion 22, control is performed to raise the mold, and the control device is controlled by the position detector 23 and the height detector 25. , at the exit side gripping portion 22 down to the workpiece transfer height 320 320558 13 200918301 Control the lifting drive mechanism 15 liters. More specifically, the height of the control device is 11 heights (the height detector illuminates the side workpiece) Handling device source 17 'to make the piece missing The control signal is given to the cylinder drive 耵. The upper surface rises to the workpiece transfer height on the other hand, and the 'outside grip portion is connected to the height to be held by the workpiece holder; to the workpiece W, the workpiece can be handled. Finishing the workpiece ". The finished workpiece is finished in the north. The workpiece is finished by stamping into 1 ancient ^, so it is carried out from the punching machine. The finished cow:: There is unevenness: The workpiece w, the possibility of contacting the mold buffer π When the processing is completed, the workpiece w and the gripping unit 22 are carried out in the press machine 1 when the finished workpiece handling device is gripped, and the gripping unit 22 is lightly held by the entry side workpiece conveying device 19, When the unloaded workpiece W of the entry side gripping portion 2 is carried into the machine 1, the workpiece V is raised to a position further south so as not to come into contact with the mold cushion 11. Therefore, the control device of the present embodiment is charged with the side grip portion 22 from the scrapping machine! The control for lowering the mode and 11 is performed by the ascending action at the time of retraction. Specifically, the control device 8 controls the lifting and lowering of the workpiece W' from the workpiece-handling height H2 based on the detection data from the position detector 23 and the height detector 25, and controls the lifting and lowering between the workpiece-handling height H2. The drive of the mechanism 15 is driven to lower the height of the mold cushion 11. More specifically, the control device 18 refers to the height signal of the exit side grip portion 22 (height detector 320558 14 200918301 25), and gives a control signal to the cylinder drive 12 to descend below the workpiece delivery height. In order to make the blank holder, the mold can be buffered u for a predetermined distance in a short time (the distance between the contact of the mold cushioning force is not generated). Further, by preventing the machining of the die cushion member r ::: the holding portion 22, the distance at which the mechanical side grip portion 22 of the workpiece r rises is shortened, and the time required for retracting the inside of the machine 1 can be shortened. In addition, in the present embodiment, after the mold r is completed and / after the workpiece r is completed, the second gripping portion is delayed from the exit side, and the lowering is started. Thereby, the holder 22 can be separated from the pre-dissection after the mold is formed in a shorter time. (1) and the side of the handle = the buffer U is lowered to not hold the workpiece W after the machining is completed, and the total length of the workpiece W is increased from the upper surface of the blank holder 12 to the initial stage. Standby position. By this, the process of moving out is the line. In the mold buffer control method of the present invention, as described above, the mold side workpiece is placed in a manner corresponding to the upper and lower movements of the two workpiece transporting devices 19 and 21 (moving on the workpiece bearing; Since the operation is performed twice, the amount of movement to the side and the size of the upper and lower sides can be reduced. Therefore, the entry side and the workpiece conveying devices 19 and 21 can be moved forward and backward from the press machine 1. Therefore, as shown in Fig. 3, taking the unloading process as an example, as shown by the line L1 of Fig. 3, the mold buffer 11 can be earlier than the line 320558 15 200918301 known as the line L2 (phase L, 々日田ΐ 1), the handling process is finished. Another ^ can also achieve the same effect in the process of moving. Therefore, by IS short-cut waste machining cycle-like force, that is, increase productivity..../ can be improved The processing energy of the press machine is not limited to the above-described embodiment, and the means for adapting the action of the gripper 12 can be made without departing from the scope of the main part of the present month. $, and σ, except hunting is changed by changing the degree between valves ^ ^ #又卜' It is also possible to change the air by changing the rotation of the motor of the pump by means of making the variable volume pump cry. The hole is used, the means of grasping the liquid, and the rotation of the motor of the pump is changed. Means of means of oil flow, etc. Change! 〆—,, rolling times, by means of flow 1 and not limited to steam you: outside 'in the above embodiment, although shown by oil pressure or empty = hanging 16 Ways to make the mold buffer u move up and down, = such as the Japanese machine specializes in the motor to buffer the upper and lower movement of the mold buffer (such as the device shown in Japanese Patent No. 321 1904). Dazhi = cry ^ can shrink the feeding motor The power-to-supply horse S-converter-transformer reduces the power consumption and reduces the power consumption. The mold is in the above-described embodiment, and the present invention is composed of one house cylinder 16 and one disk up and down. The same applies to the case where the composition of 2 (4) and the empty money is 2, the composition of the cylinder 16 that rises and falls, and the composition of the plurality of cylinders is different. The composition of the knife is equal to the pressure. In the above embodiment, although the sliding drive is displayed The moving mechanism is 320558 16 200918301 m crank-type crank (4), but the invention is for crankless stamping ^anUesspress), even stamping (Iinkpress), crank connecting rod punching nucki e press), feeding clothes, etc. In addition, in the above-described embodiment, the method of detecting the position of the slider 4 is a method of detecting the rotation angle of the crankshaft 2, but using f. The method of directly detecting the twist of the slider 4 by the magnetic or magnetic linear coding (4) linear material device is also applicable. (Industrial availability) ▲ According to the present invention, between the relocation machinery and the upper mold In the mold cushioning device for sandwiching the workpiece and generating the tight surface force of the workpiece, the cycle time can be shortened and the productivity can be improved by shortening the moving distance of the upper (vertical) direction of the transporting device. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic configuration view showing a press machine using the driving method of the present invention. The f 2 diagram is an operation diagram showing the mold cushioning of the present embodiment. The Fig. 3 is a partial view showing the operation of the mold cushioning of the present embodiment. Figure 4 is an action diagram showing the mold cushioning of the prior art. [Main component symbol description] : Punch, machine 2 crank (crank) car by continuous talent (connecting, r〇d) 5 upper mold slider 5 upper mold 320558 17 4 200918301 6 base (bed) 7 # (bolster) 8 Mold 10 Mold buffer device 11 Mold buffer 12 Blank holder (work load bearing unit) 13 Buffer pin 14 Cushion portion 15 Lifting drive mechanism 16 Cylinder 17 Cylinder drive source 18 Control device 19 Inlet side workpiece handling Device 20 Inlet side gripping portion 21 Outlet side workpiece handling device 22 Outside gripping portion 23 Position detector 24 Rotation angle detector 25 South degree detector 26 Degree detection benefit W Workpiece 18 320558