200841957 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種螺方箍成形褽置及其成形方法；具體 而言，本發明侧於-種螺方箍生產裝置，供有效率地ς 螺方箍。 【先前技術】 隨著各式建築物對結構強度要求的提高，由螺旋鋼· 成之骨架所能提供之設計強度已為現今工程界結構設計戶斤 重視。所弱旋狀㈣係指_成連續顯體之螺旋鋼筋做 為與主筋搭筋，具有@定絲位置及提供剪力強度之 功效。螺_筋之斷面形狀可視實際設計而輕，較常見的 有圓形及矩形。除了廣泛的被使用作為樑柱等結構的箱筋 外’在某些大型或特殊設計的樑柱結射，亦會將螺旋鋼筋 作為骨齡駐麵骨配合烟是在猶結構中，螺 旋鋼筋更是被大量的應用。 广 傳統上職娜之製造方式乡為制縣^，將直線 筋漸次彎成絲取之編_，再她麵圈之頭尾以 具拉開以產生赃。此-生產方式之效率與間職制均有改 善之空間。在使闕旋鋼筋作為骨架主體的設計結構中，則 會進-步烟人力麟或是轉之方式設置關於螺旋鋼 筋之侧邊’⑽餘鋼筋籠，除婦财的人力盘時 間’在螺旋鋼筋個妹日益增加之情訂，雜不符合效 200841957 盖。 【發明内容】 本备月之主要目的在於提供一麵方箍成形 效率地製成螺方箍。 ^ • 、本伽之另—目的松提供―綱方箍柄裝置，可取 似贿直軸筋献彎成沒有間距之娜_，再由鋼筋 螺圈之頭尾以機具拉開以產生間距之施作方式。 …本±發明之另—目的在於提供-綱方軸形裝置，具有 即省時間、人力、成本#用之優點，可提高生產力並降低成 本0 本發明之螺方箍成形裝置包含中心旋動部，第一旋動 部，複數軸向纏筋部以及彎筋裝置。中心旋動部係與第一旋 馨 動部並列設置，具有入筋侧及複數軸向纏筋部環繞設置於中 Ά動部之周邊’其中每—軸向纏筋部係與第—旋動部可分 ^地相連，且第-旋動部可沿軸向相射錢動部移^ 筋裝置則設置於入筋側，包含定位部及壓筋部，當鋼筋自^ 筋侧伸入中心旋動部，定位部夾置鋼筋且壓筋部相對定位部 移動壓制鋼筋形成彎折部，彎折部藉中心旋動部旋轉之帶動 而與軸向纏筋部扣合。葶 本發明同時提供一種螺方箍之成形方法，包含以下半 200841957200841957 IX. Description of the Invention: [Technical Field] The present invention relates to a screw square forming device and a forming method thereof; in particular, the present invention is directed to a screw square forming device for efficient ς Screw square hoop. [Prior Art] With the improvement of the structural strength requirements of various buildings, the design strength that can be provided by the spiral steel and the skeleton has been paid attention to today's engineering design. The weakly swirled (four) means that the spiral reinforcing steel of the continuous forming body acts as a rib with the main rib, and has the effect of the position of the fixing wire and the provision of the shear strength. The cross-sectional shape of the snail _ rib can be lighter depending on the actual design, and the more common ones are round and rectangular. In addition to a wide range of box ribs that are used as structures such as beams and columns, 'in some large or specially designed beams and columns, the spiral steel bars will also be used as bone-aged slabs to match the smoke in the Jewish structure, and the spiral steel bars are A lot of applications. Widely, the manufacturing method of Shang Na is the county, and the straight ribs are gradually bent into the silk _, and then the head and tail of her face are pulled open to create 赃. This - the efficiency of the production method and the inter-department system have room for improvement. In the design structure in which the revolving steel bar is used as the main body of the skeleton, the side of the spiral rebar is set up in the way of the human body or the transfer of the rebar ('10), and the manpower time of the woman's wealth is in the spiral bar. The growing number of sisters is set, and the mismatch does not match the 200841957 cover. SUMMARY OF THE INVENTION The main purpose of this preparation month is to provide a square hoop with a square hoop forming efficiency. ^ • 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 Way of doing things. ...this is another invention - the purpose is to provide a --axis shaft-shaped device, which has the advantages of time saving, manpower, cost #, which can improve productivity and reduce cost. The screw square forming device of the present invention comprises a central rotating portion. , the first rotating part, the plurality of axial ribs and the bending device. The central rotating portion is arranged side by side with the first rotating singly moving portion, and has a rib side and a plurality of axial rib portions arranged around the periphery of the middle cocking portion, wherein each of the axial rib portions and the first whirl The part can be connected to the ground, and the first-rotating part can be moved along the axial direction, and the moving part is arranged on the side of the rib, including the positioning part and the rib part, when the reinforcing steel extends from the side of the rib into the center In the rotating portion, the positioning portion sandwiches the reinforcing bar, and the pressing portion moves relative to the positioning portion to form a bent portion, and the bent portion is engaged with the axially ribbed portion by the rotation of the central rotating portion.葶 The invention also provides a method for forming a spiral square hoop, comprising the following half: 200841957
，其中該螺方箍成 複數軸向纏筋部，該中心旋動部 入，该複數軸向纏筋部環繞設置於 接著於一特定位置以一彎筋裝置彎 隨後藉該中心旋動部之轉動，帶動 jrjri7 · ρ μ ;最後形成該螺方箍並卸載之。 【實施方式】 本發明提供一種螺方箍成形梦詈 l 乂心衣置，供有效率地製成螺方 箍。本發明之财箍成職置較麵用於取代峰將直線鋼 筋漸次彎成沒有間距之鋼筋_，再蝴筋_之頭尾以機 具拉開以產生間距之施作方式。本發㈣方箍成形裝置所形 成之螺方箍，較佳係用於營造業、建築業、交通道路工程厂 水產工程等等之鋼筋水泥結構。然而在不同實施例中，本發 明之螺方箍亦可應用作為建築物之箍筋結構例如版狀樓^ 結構或螺箍筋複合結構，或是建築物之其他結構單元之用。 如圖1所示，本發明之螺方箍成形裝置較佳係用於生產 具有複數螺距之螺方箍100。如圖1之較佳實施例所示，本 發明之螺方箍成形裝置200包含中心旋動部230，第_力走貪^ 部210，複數轴向纏筋部233以及彎筋裝置400，其中第— 旋動部210具有入筋侧232，設置有彎筋裝置4〇〇。當鋼筋 500自入筋侧232伸入中心旋動部230，彎筋裝置4〇〇壓制 200841957 鋼肋5G0亚藉中心旋動部’旋轉之帶誠與軸向纏筋部 233扣合。如圖1所示，在此較佳實施例中，第一旋動部210 與中心旋動部230係並列設置，且第一旋動部210較佳係以 可沿軸向900相對中心旋動部23〇向外位務。在如圖丨所示 之較佳實施例中，複數軸向纏筋部233係環繞設置於中心旋 動部230之周邊234，且每一軸向纏筋部233與第一旋動部 21〇可分離地相連。然而在不同實施例巾，複數轴向纏筋部 2幻亦可環繞設置於第一旋動部21〇之周邊，且每一軸向纏 筋部233與中心旋動部230可分離地相連。 如圖1之車父佳實施例所示，嫘方箍成形裝置200較佳另 包含第二旋動部22〇。在如圖i所示之實施例中，第二旋動 部220較佳係相對於中心旋動部23〇與第一旋動部細設置 於中心方疋動部230之不同侧，並與每一軸向纏筋部233可分 離地相連。在此較佳實施例中，第二旋動部22〇與中心旋動 部230及第一旋動部210係以可沿軸向900與第一旋動部21〇 同步位移之方式並列設置，因而在此實施例中，當第二旋動 部220與第一旋動部21〇沿軸向9〇0同步位移，第二旋動部 220與中心旋動部23〇間之距離，將因第一旋動部21〇之向 外位移而縮短。 如圖1及圖2所示，中心旋動部230較佳係具有十字形 溝槽231自軸心延伸至周邊234，該些軸向纏筋部233可押 向移動地設置於十字形溝槽231内。然而在不同實施例中了 中心紅動部230亦可包含如放射狀溝槽或其他可供轴向縫 200841957 筋部233徑向移動的溝# j 筋部233與中心旋動部23〇 夹置軸向纏 圖i所示，第二旋動邻22(^ 同步轉動。如 中心旋_。之十動; 形溝槽211同步旋轉。如圖1所亍，:ί:口P210之十字 佳另包含推進裝置300設置：成形褒置較 向位移之方式胁！210，並以可沿轴 233、、凡站6 Qnn 疋邛21〇贡動該些軸向纏筋部 俨俜:第1於勤位移。如圖1及圖2所示，推進裝置300較 以210、中心旋動部23。及第二旋動部挪 ^ 蚊同—職㈤㈣上，當推進裝置· =弟-_部21〇於滑執(未標示)之輛向_相 旋動㈣向外位移，第—旋動部21嶋該些聰^ 旋動部210之軸向纏筋物穿過中心旋動部230之十^ 溝，滑軌(未標示)之軸向_上同步移動。‘ 同:施射，推進裝置亦可設置於第二旋動部220，推 動第一疑動* 210連動該些軸向纏筋部233沿軸向900位 移士在如圖1所示之較佳實施例中，當第一旋動部21〇受推 進衣置300之▼動，灣筋裝置4〇〇漸次壓制鋼筋5〇0扣合每 -轴向纏筋部233以形成具有複數螺距之螺方箍養。 bffi 1 m 2之較佳實施例所示’螺方箍成形裝置細 另包含編輪岐置_，娜輸蚊置_具有驅動輪盤 610，供推進鋼筋500。如圖1及圖2所示，嫘方箍成形裝置 200841957 200較佳另包含鋼筋整直器700與推進辅助裝置8〇〇設置於 鋼筋輸出裝置600與中心旋動部230之間。鋼筋整直器7〇〇 供校直並導引鋼筋500輸入推進辅助裝置8〇Q，·推進辅助裝 置800具有第一推進部810與第二推進部82〇彼此夾置鋼 筋，避免鋼筋因長度過長而產生過大之曲度。如圖1及圖2 之較佳實施例所示，推進輔助裝置8〇〇設置於鋼筋整直器7〇〇 與中心旋動部230間之間隔位置，第二推進部82〇具有二縱 向滾筒821夾一可容鋼筋500通過之間隙設置於第二推進部 820上，第一推進部810具有入筋部811供挾持鋼筋5〇〇並 進一步提供辅助之推進力。 圖3a至圖3e所示為本發明螺方箍成形裝置2〇〇之彎筋裝 置400配合第一旋動部21〇之軸向位移，漸次壓制鋼筋5〇〇 扣合每一軸向纏筋部233以形成螺方箍丨⑻之作動圖。如圖 3a之較佳實施例所示，彎筋裝置4〇〇設置於中心旋動部23〇 之入筋侧232，包含定位部410及壓筋部42〇。如圖3a所示， 壓肋部420較佳係與鉛直面夹一角度，並可沿此角度移動地 口又置於入筋侧232以壓制鋼筋5〇〇。在此較佳實施例中，壓 筋部420係相對設置於入筋侧232上方，沿一角度向下壓制 鋼肋500。然而在不同實施例中，當中心旋動部23〇係沿逆 時針方向轉動，壓筋部420亦可相對設置於入筋侧232下 方’沿一角度向上壓制鋼筋500。 如圖3b及圖3c之較佳實施例所示，當鋼筋5〇〇自入筋侧 232伸入中心旋動部23〇，定位部41〇爽置鋼筋5〇〇且壓筋 11 200841957 部420相對定位部41〇移動壓制鋼筋5〇〇形成彎折部5i〇。 在圖3b所示之較佳實施例中，當鋼筋500受壓筋部420之 壓制而產生曲度，第一推進部810底部連結之升降裝置同步 向下位移以避免鋼筋5〇〇之曲度過大。如圖3b及圖3c所示， 其中疋位部410較佳係包含伸縮上部411及底座412共同夾 置鋼肋500，當壓筋部42〇壓制鋼筋5〇〇形成彎折部51〇， 伸細上部411向上收縮5同時底座412向内滑移，以釋放彎 折。卩510。此時中心旋動部23〇尚未轉動，環繞設置於其上 之軸向纏筋部233亦維持於原來之第1、2、3、4號位置， 如圖3b及圖3c所示。在此較佳實施例+，當底座412向内 滑=而釋放f折部·，彎折部510藉中心旋動部230旋轉 =帶動而與軸向纏筋部233扣合，此時環繞中心旋動部 :置之轴向纏筋部233則旋轉至第4:1、2、3號位置，如 圖3d及圖3e所示。在目3e所示之實施例中，當彎折部51〇 藉中心旋動部230之旋轉帶動而漸漸扣合至軸向纏筋部 3轴向纏肋部233受第一躺部21〇軸向位移之牽引 =弓折口P 510彼此間形成一螺距1()1，如此反覆施作前迷^ 序_成具有複數螺距101之螺方箍1〇〇。 王 一圖4a至圖如所示為本發明螺方箍成形裝置形成之 =姬⑽’自螺方11成形裝置·却載之作動圖。如圖‘、 之較佳實施例所示，當螺方箍觸成形後，夹置於 翻疋動"卩23Q十字型溝槽231之軸向纏筋部233沿徑向 動，且夾置於第-旋動部21〇十字型溝槽211與第二旋動^ 200841957 220十子型溝槽221之麵纏筋部233沿徑向同步位移，以 鬆放螺方箍1GG。如目4e及圖制之較佳實施例所示 向纏筋部233沿徑向位移向内鬆放螺方箍觸，第一旋動部 训向外，離中心旋動部23()而與該些轴向纏筋部⑽分 離’同k第-凝動部220 &置軸向纏筋部233遠離中心旋動 ⑽°如W如所示，螺方箍成形裝置 沾另巴3升降板240供承载螺方箍1〇〇，當螺方箱· ^ 及長度，現場監工施作人討截斷鋼筋 Ϊ筋部233向内縮放以卸載螺方箍 獅。备螺方插100 _該些軸向纏筋部233，升降板施上 升以承托猶箍100。 ^ 本發明同啸供-種螺方箍成形方法。目5所示為梯 明螺方箍成形方法之步驟流程圖。如圖，首二 驟910，伸入一鋼筋至螺方箱 、百先進仃乂 罟勺人* μΓ 裝置，財螺方箱成形裝 匕3中4動#及複數軸向纏筋部，中心旋動 二折:進::驟920，於特定位置以彎筋裝置彎曲鋼筋形 成弓折和此處所言之特定位置，係 些軸向纏筋部遠離中心旋動部 以形成減個彎折部。前述之彎丄=_制鋼筋 人μ , ^丨形成步驟920進一步包 3 Α抽彳釋放彎折部，使f折部射心部 合軸向纏筋部。在此較佳實施例中彎邻q : 200841957 筋部233沿中心旋動部之12點鐘、3點鐘、6點鐘、9點鐘 方向位置漸次轉動。 最後則進行步驟930及步驟940，藉中心旋動部之轉動， ▼動弓折部扣合軸向纏筋部，以形成螺方箍並卸載之。前述 之％、折部扣合步驟另包含沿—間距產生方向漸次推進轴向 、、廛筋邰產生複數螺距，並進一步包含配合鋼筋之伸入，同步 推進軸向㈣部。前述之城步賴進—步包含徑向移動該 些轴向纏筋部以卸麵方箍，减鬆放並退έΒ該些軸向纏筋 部以卸載螺方箍。 本务月已由上述相關實施例加以描述，然而上述實施例 僅為實施本發明之範例。必f指出的是，已揭露之實施例並 未限制本發明之範圍。相反地，包含於申請專利範圍之精神 及乾圍之修改及均等設置均包含於本發明之範圍内。 【圖式簡單說明】 圖1所示為本發明螺方箍成形裝置之組合立體圖； 圖2所示為本發明螺方箍成形裝置之侧視圖; 圖如所示為本發明螺方箍成形裝置中心旋動部之局部放大 圖； 圖3b所示為本發明螺方箍成形裝置中心旋動部之作動圖； 圖3c所示為本發明螺方箍成形裝置中心旋動部之作動圖； 14 200841957 _所示為本發明螺方箍成形裝置中心旋動部之作動圖； 圖e所示為本發明螺方箍成形裝置中心旋動部之作動圖； =4a所示為本發明螺方箍成形裝置卸載螺方箍之示意圖； =4b所示為本發明螺方箍成形裝置卸載螺方箍之作動圖； ^知所示為本發明螺方箍成形裝置卸载螺方箍之作動圖·’ 所示絲發剩方滅職方紅作動^ °所示為本發明螺方箍成形方法之步驟流程圖。°， 15 200841957 【主要元件符號說明】 100螺方箍 101螺距 200螺方箍成形裝置 210第一旋動部 211十字形溝槽 220第二旋動部 221十字形溝槽 230中心旋動部 231十字形溝槽 232入筋侧 233軸向纏筋部 234中心旋動部周邊 240升降板 300推進裝置 400彎筋裝置 410定位部 411伸縮上部 412底座 420壓筋部 500鋼筋 510彎折部 600鋼筋輸出裝置 200841957 610驅動輪盤 700鋼筋整直器 800推進輔助裝置 810第一推進部 811入筋部 820第二推進部 821縱向滚筒 900轴向Wherein the threaded portion is formed into a plurality of axially ribbed portions, the centrally rotating portion is inserted, and the plurality of axially ribbed portions are circumferentially disposed to be bent at a specific position by a bending device and then borrowed from the central rotating portion Rotate, drive jrjri7 · ρ μ; finally form the screw square and unload it. [Embodiment] The present invention provides a screw-shaped hoop forming nightmare l-shaped garment for efficiently making a threaded cuff. The utility model of the present invention is used for replacing the peaks, and the straight steel bars are gradually bent into the steel bars without the spacing _, and the tails of the ribs are pulled apart to create the spacing. The screw square hoop formed by the square (4) square hoop forming device is preferably used for the reinforced concrete structure of the construction industry, the construction industry, the transportation road engineering plant, the aquatic product engineering, and the like. However, in various embodiments, the threaded square cuff of the present invention can also be used as a stirrup structure for a building, such as a slab structure or a skein composite structure, or other structural units of a building. As shown in Fig. 1, the screw ferrule forming apparatus of the present invention is preferably used for producing a screw ferrule 100 having a plurality of pitches. As shown in the preferred embodiment of FIG. 1, the threaded square forming device 200 of the present invention comprises a central rotating portion 230, a first force running portion 210, a plurality of axially stiffened portions 233, and a bending device 400, wherein The first-rotation portion 210 has a rib side 232 and is provided with a bending device 4〇〇. When the reinforcing bar 500 extends from the rib side 232 into the center rotating portion 230, the bending device 4 〇〇 presses the 200841957 steel rib 5G0, and the center rotating portion ‘the rotating belt is engaged with the axial rib portion 233. As shown in FIG. 1, in the preferred embodiment, the first rotating portion 210 and the central rotating portion 230 are juxtaposed, and the first rotating portion 210 is preferably pivoted relative to the center in the axial direction 900. Ministry 23 is out of office. In the preferred embodiment shown in FIG. ,, the plurality of axially ribbed portions 233 are circumferentially disposed around the periphery 234 of the central rotating portion 230, and each of the axially ribbed portions 233 and the first rotating portion 21〇 Separably connected. However, in different embodiments, the plurality of axially ribbed portions 2 may also be disposed around the periphery of the first rotator portion 21, and each of the axial rib portions 233 may be detachably coupled to the central rotator portion 230. As shown in the preferred embodiment of the embodiment of the vehicle, the square hoop forming device 200 preferably further includes a second swirling portion 22A. In the embodiment shown in FIG. 1 , the second rotating portion 220 is preferably disposed on the different sides of the central side moving portion 230 with respect to the central rotating portion 23 〇 and the first rotating portion, and each An axially ribbed portion 233 is detachably connected. In the preferred embodiment, the second rotating portion 22〇 and the central rotating portion 230 and the first rotating portion 210 are juxtaposed in a manner that can be displaced in the axial direction 900 and the first rotating portion 21〇. Therefore, in this embodiment, when the second rotating portion 220 and the first rotating portion 21 are synchronously displaced in the axial direction 9〇0, the distance between the second rotating portion 220 and the central rotating portion 23 is caused by The first swirling portion 21 is outwardly displaced and shortened. As shown in FIG. 1 and FIG. 2, the central rotating portion 230 preferably has a cross-shaped groove 231 extending from the axis to the periphery 234, and the axially ribbed portions 233 are movably disposed on the cross-shaped groove. Within 231. However, in different embodiments, the central red portion 230 may also include a radial groove or other groove # j rib 233 that is axially movable by the axial seam 200841957 rib 233 and the central rotating portion 23〇. The axial winding diagram i shows that the second rotation is adjacent to 22 (^ synchronous rotation. For example, the center rotation _. ten movement; the shape groove 211 rotates synchronously. As shown in Fig. 1, : ί: the cross of the mouth P210 is good The propulsion device 300 is provided: the shaping device is configured to be displaced in a manner of 210!, and the axially ribbed portion can be mobilized along the axis 233 and the station 6 Qnn 疋邛 21〇: the first As shown in Fig. 1 and Fig. 2, the propulsion device 300 is opposite to 210, the central rotating portion 23, and the second rotating portion is moved to the same place (5) (4), when the propulsion device is replaced by the younger one. The vehicle of the slipper (not shown) is displaced outwardly toward the _ phase (4), and the first rotator 21 嶋 the axial ribs of the swaying portion 210 passes through the central rotating portion 230. The axial direction of the groove and the slide rail (not shown) is synchronously moved. 'Same: the injection device, the propulsion device can also be disposed on the second rotation portion 220 to push the first suspected * 210 to interlock the axially ribbed portions 233 along the axial direction 9 00 displacement in the preferred embodiment shown in Figure 1, when the first rotating portion 21 is moved by the push-on garment 300, the bay rib device 4 〇〇 gradually presses the steel bar 5 〇 0 snaps per axis The ribbed portion 233 is formed to form a thread having a plurality of pitches. The preferred embodiment of the bffi 1 m 2 shows that the 'screw square forming device finely includes a braiding device _, a Nasal mosquito _ has a driving wheel The disk 610 is used for propelling the steel bar 500. As shown in FIG. 1 and FIG. 2, the square square hoop forming device 200841957 200 preferably further includes a reinforcing bar straightener 700 and a propulsion auxiliary device 8 disposed on the reinforcing bar output device 600 and the center rotating Between the portions 230. The reinforcing bar straightener 7 is for straightening and guiding the reinforcing bar 500 to input the propulsion auxiliary device 8〇Q. The propulsion auxiliary device 800 has the first advancing portion 810 and the second advancing portion 82〇 sandwiching each other. The steel bar is prevented from being excessively long due to the excessive length. As shown in the preferred embodiment of FIGS. 1 and 2, the propulsion auxiliary device 8 is disposed between the reinforcing bar straightener 7〇〇 and the central rotating portion 230. In the spaced position, the second pushing portion 82 has two longitudinal rollers 821 sandwiching a gap between the reinforcing steel bars 500 The first advancing portion 810 has a rib portion 811 for holding the reinforcing bar 5 〇〇 and further providing an auxiliary propulsive force. Fig. 3a to Fig. 3e show the screw ferrule forming device of the present invention. The curved bending device 400 cooperates with the axial displacement of the first rotating portion 21, and gradually presses the reinforcing bar 5 to engage each of the axially rib portions 233 to form an action diagram of the threaded band (8). In the preferred embodiment, the bending device 4 is disposed on the rib side 232 of the center rotating portion 23, and includes a positioning portion 410 and a rib portion 42A. As shown in Fig. 3a, the rib portion 420 is preferably at an angle to the vertical face and is movable along the angle to the rib side 232 to press the bar 5 。. In the preferred embodiment, the ribs 420 are disposed opposite the rib side 232 and press down the rib 500 at an angle. However, in various embodiments, when the central swivel portion 23 is rotated in the counterclockwise direction, the bead portion 420 can also be pressed against the lower side of the rib side 232 to press the reinforcing bar 500 upward at an angle. As shown in the preferred embodiment of FIG. 3b and FIG. 3c, when the reinforcing bar 5 伸 extends from the rib side 232 into the center rotating portion 23 〇, the positioning portion 41 〇 cools the reinforcing bar 5 〇〇 and presses the rib 11 200841957 420 The opposite positioning portion 41 moves the pressed reinforcing bar 5 to form a bent portion 5i. In the preferred embodiment shown in FIG. 3b, when the reinforcing bar 500 is pressed by the pressing rib 420 to generate curvature, the lifting device connected to the bottom of the first pushing portion 810 is synchronously displaced downward to avoid the curvature of the reinforcing bar 5 is too big. As shown in FIG. 3b and FIG. 3c, the clamping portion 410 preferably includes a telescopic upper portion 411 and a base 412 for sandwiching the steel rib 500. When the rib portion 42 is pressed, the reinforcing bar 5 is formed to form a bent portion 51, and is extended. The thin upper portion 411 is contracted upward 5 while the base 412 is slipped inward to release the bend.卩 510. At this time, the center rotary portion 23 is not rotated, and the axially ribbed portion 233 provided thereon is also maintained at the original positions 1, 2, 3, and 4, as shown in Figs. 3b and 3c. In the preferred embodiment of the present invention, when the base 412 slides inwardly to release the f-fold portion, the bent portion 510 is rotated by the central rotating portion 230 to be engaged with the axially ribbed portion 233. Rotating portion: The axially ribbed portion 233 is rotated to the 4th, 1st, 2nd, and 3rd positions, as shown in Fig. 3d and Fig. 3e. In the embodiment shown in FIG. 3e, when the bending portion 51 is driven by the rotation of the center rotating portion 230, it is gradually engaged to the axially ribbed portion 3. The axially wrapped rib portion 233 is subjected to the first lying portion 21 The traction to the displacement = the bow-to-opening P 510 forms a pitch of 1 () 1 with each other, so that it is repeatedly applied as a threaded square 1 with a complex pitch 101. Fig. 4a to Fig. 4 are diagrams showing the formation of the yoke (10)' self-screw 11 forming device formed by the screw ferrule forming device of the present invention. As shown in the preferred embodiment of the present invention, when the threaded cuff is formed, the axially ribbed portion 233 of the 疋23Q cross-shaped groove 231 is placed in the radial direction and sandwiched. The rib-shaped portion 233 of the first-rotating portion 21 and the cross-shaped groove 211 and the second-rotating groove 221 are radially displaced in the radial direction to release the threaded ferrule 1GG. As shown in FIG. 4e and the preferred embodiment of the drawings, the rib portion 233 is displaced radially inwardly to loosen the thread, and the first rotating portion is outwardly moved away from the central rotating portion 23(). The axial ribs (10) are separated from the same as the k-thing portion 220 & the axially ribbed portion 233 is rotated away from the center (10) as shown in the figure, the screw square forming device is attached to the lifting plate 3 240 for carrying the screw square hoop 1 〇〇, when the square box · ^ and the length, the on-site supervisor applied to cut off the reinforced concrete rib 233 inward to zoom to unload the screw lion. The ribs are inserted into the ridges _ _ _ the axial ribs 233, and the lifting plate is applied to support the quilt 100. ^ The invention is the same as the whistling-type screw square forming method. Figure 5 shows the flow chart of the steps of the method for forming the ladder ferrule. As shown in the figure, the first two steps 910, a steel bar to the square box, a hundred advanced spoons * * Γ device, the snail box forming device 3 in the 4 move # and the complex axial ribs, the center spin Dynamic two-fold: In: Step 920, bending the steel bar at a specific position to form a bow and a specific position as described herein, and the axially ribbed portions are away from the central rotating portion to form a reduced bending portion. The aforementioned bending 丄 = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ In the preferred embodiment, the yoke 233 is rotated gradually along the center of the center at the 12 o'clock, 3 o'clock, 6 o'clock, and 9 o'clock positions. Finally, step 930 and step 940 are performed. By the rotation of the central rotating portion, the moving bow portion is engaged with the axial rib portion to form a threaded square band and is unloaded. The above-mentioned % and folding portion fastening step further includes gradually advancing the axial direction along the direction of the spacing generation, and the plurality of pitches are generated by the ribs, and further including the extension of the reinforcing steel bars, and the axial (four) portions are synchronously advanced. The foregoing step of step-by-step includes radially moving the axially ribbed portions to unload the square ferrules, loosening and releasing the axial ribs to unload the threaded ferrules. The present invention has been described by the above related embodiments, but the above embodiments are merely examples for implementing the present invention. It is to be understood that the disclosed embodiments do not limit the scope of the invention. On the contrary, the spirit and scope of the invention and the modifications and equivalents are included in the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing the combination of a screw square forming device of the present invention; Fig. 2 is a side view showing a screw square forming device of the present invention; Figure 3b is an actuating view of the central rotating portion of the threaded square forming device of the present invention; Figure 3c is a view showing the action of the central rotating portion of the threaded square forming device of the present invention; 200841957 _ is shown as an action diagram of the central rotating part of the screw square forming device of the present invention; Fig. e is a driving diagram of the central rotating part of the screw square forming device of the present invention; Schematic diagram of the unloading screw square hoop of the forming device; =4b is shown as the actuating diagram of the unloading screw square hoop of the screw square forming device of the present invention; ^ is shown as the actuating diagram of the unloading screw square hoop of the screw square forming device of the present invention. The figure shows the flow chart of the steps of the method for forming the spiral square hoop of the present invention. °, 15 200841957 [Description of main component symbols] 100 screw square clamp 101 pitch 200 screw square forming device 210 first rotating portion 211 cross groove 220 second rotating portion 221 cross groove 230 center rotating portion 231 Cross-shaped groove 232 into the rib side 233 axial rib portion 234 Center rotation portion periphery 240 lifting plate 300 propulsion device 400 bending device 410 positioning portion 411 telescopic upper portion 412 base 420 rib portion 500 rebar 510 bending portion 600 rebar Output device 200841957 610 drive wheel 700 rebar straightener 800 propulsion auxiliary device 810 first propulsion portion 811 into the rib portion 820 second propulsion portion 821 longitudinal drum 900 axial direction