201247337 六、發明說明： 【發明所屬之技術領域】 本發明是有關於-種桿體整直農置，特別是指一種通 用於表面光滑或表面具有螺紋之桿體的桿體整直裝置。 【先前技術】 一般的整直機，是通過多數個滾輪將一待整直之桿件 夾持住，使得該待整直之桿件在所述滾輪的磨擦帶動下進 行旋轉運動’並產生壓擠、·，曲等變形，藉此過程來對該 桿件達到整直加工的效果。 然而，由於在上述之整直加工過程巾，該桿件與所述 滾輪之間會不斷產生相對磨擦作用，如此會對該桿件的表 面造成-定程度的傷害與破壞，故此種整直方式實際上並 不適用於螺絲、螺釘、螺栓等類的桿件，應予改良。 【發明内容】 〜 又 本發明之目的，即在提供一種不會傷害桿體之表面， 整直精度佳且適用性廣的桿體整直裝置。 本發明之桿體整直裝置，用以將—桿體之一彎曲部位 下壓整直，並包含-傳送單元、一偵測單元，以及一整直 單元。該傳送單元包括二相間隔且供該桿體平放地跨置定 位的輸送帶。該傾測單元是設置在該傳送單元之上方，並 包括一設置在其中-輸送帶之上方且能壓觸該桿體之一端 部並驅使該桿體相對所述二輸送帶旋轉的麼滾件，以及一 能同時對旋轉中之該桿體進行直線度檢測的光檢測器，根 據該光檢測器的檢測結果，該壓滚件會驅使該桿體旋轉定 201247337 位呈一加工狀態’使該桿體之彎曲部位是懸向上。該整直 單元是設置在該偵測單元旁，並包括一設置在所述二輸送 帶之間且能頂抵並支撑呈加工狀態之該桿體的頂樓組，以 及一設置在該頂撐組之上方且能施壓於該桿體之懸向上之 彎曲部位以使其受壓變形的壓直組，該壓直組之施壓力道 及揚程是根據該光檢測器的檢測結果。 本發明之功效在於’先利用該壓滾件與該光檢測器相 配合’準確測得桿體的彎曲程度，並使桿體之彎曲部位懸 向上，該壓直組與該頂撐組再根據該光檢測器之檢測結 果’施加足以將桿體之彎曲部位矯直的徑向壓力，讓本發 明能產生整直精度佳、不傷害桿體表面且適用性廣等效。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一個較佳實施例的詳細說明中，將可 清楚的呈現。 如圖1至圖4所示，本發明之桿體整直裝置的該較佳 實施例，是用以對一表面具有螺紋的桿體丨（如螺絲）進行 整直加工，s然，本發明也適用於對一表面光滑的桿體1 (如金屬棒、金屬管）作整直加工。 該桿體整直裝置包含一傳送單& 2、一偵測單元3,以 及一整直單元4。 該傳送單元2包括-機台2卜一設置在該機台21之一 前部的進料座22、—設置在該機台21之—後部的出料斗 23'二左右對稱地間隔設置在該機纟2i i且位在該進料座 201247337 22與該出料斗23之間的輸送帶24，以及—設置在該機台 21之後部且用以驅使所述二輸送帶24繞動的動力組25。 該桿體1能平放地跨置所述二輸送帶24上，也就是 說.該桿體丨之相反三端部U、12能分収位在所述二輸 送▼ 24上。每一輸送帶24具有—呈環圈狀且能進行繞動 的鏈條本冑241 ’ α及多數依序相併靠地設置在該鍵條本體 2W上的支撐件242;每一支撐件242具有二其底部分別樞 接該鏈條本體241之内外相反二表面的翼片244，以及二前 後向併靠地設置在所述二翼片244之間的載輪245，所述二 載輪245之相併接的上半周面與所述二翼片244之頂緣是 相配合構成一凹谷246，該凹谷246用以供該桿體i之相對 應之端部11 ( 12)卡置定位。 該動力組25具有二設置在該機台21中且分別唾接所 述二鏈條本體241的齒輪體251、一同軸連接所述二齒輪體 251的傳動轴252、一 s史置在該傳動轴252之穿出該機ζ» 21 之後部左側外之一端的蝸輪體253、一設置在該機台21之 後部左側處且嚙接該堝輪體253的蝸桿體255，以及一設置 在該機台21之後部左側處且用以驅動該竭桿體255的動力 本體254 ’因視角關係’圖2中僅顯示出其中一鏈條本體 241與其中一齒輪體251。在本實施例，該動力本體254是 一伺服馬達，透過該蜗桿體255、該蝸輪體253與所述二齒 輪體251的傳動配置，得以控制所述二輪送帶24進行寸動 式移動，並將該桿體1依序移送至該偵測單元3、該整直單 元4與該出料斗23。 201247337 該偵測單元3句杠 匕括—能相對上下移動與能相對滾動地 下移動地設置在所述m 〇 fb相對上 32、一 —輪送帶24之中間上方處的光檢測器 該料Γ 下移動與能同步朝後移動地設置在居左之 相對該粉、、’1之上方的㈣件33、一用以控制該壓滾件31 •。延24上下移動與滾動的驅動組34 控制該光檢測器32與該M掣件3 4用以 綰缸杜κ ^ 孚件33進仃上下移動的第一伸 二伸缩紅件；一用以控制該壓掌件33進行水平移動的第 及—連結該第一伸縮缸件36與該第二伸 縮紅件38的導移組37β在本實施例，該第一伸缩缸件申 35、36與該第二伸縮缸件％ 壓缸。 刀引兩軋壓缸，也可以是油 ::’該驅動組34具有一設置在該機台Μ之右側的 f 用以驅使該基座州相對該輸送帶24上下移 動的升降件342、一設置在該基座341上的動力件⑷、— 叹置在該基座州上且能被該動力件⑷驅動的婦⑷， 置在該基座341上且健該媽桿⑷的蜗輪⑷， …31之-端是同軸連接該蝸輪34 Γ動力Γ43^舰馬達，該升降件-是缸， 也可以是油麼知。 對於位在該谓測單元3處的該桿體！來說，當該升降 =42仙㈣使該基座341上下移動時，㈣連動該壓 下移並朗該桿體1之該端部Π，或是連動該壓滾 件31上移並脫離該桿體1之該端部m-方面，在該壓 201247337 滚件31壓觸在該桿體！之該端部u上時，該動力件343 可以進步作動以驅使該蝸桿344嚙動該螞輪345，如此便 能帶動該壓滾件31轉動，讓該壓滾件31帶動該桿體"目 對所述二輸送帶24旋轉，直到使該桿體1旋轉;t位呈-加 工狀態時，該桿體1之-彎曲部位是懸向上，該驅動組34 會驅使該壓滾件31停止轉動並上移以遠離該桿體卜 在該壓滾件31 m # μ , 壓觸該扣體1之該端部η且帶動該桿 體1整體旋轉時，兮笛—a ^ ^ μ第一伸縮紅件35能驅使該光檢測器32 下移以輕觸該桿體1，蚀# 土 ^、， 使該光檢測器32對該桿體1進行直 線度檢測，以測知马· # μ , ^ 杯體1之彎曲部位的位置與程度，於 完成檢測後，該第一伸缩 、 伸縮虹件35則驅使該光檢測器32上 移以遠離該桿體1。 37】，以及-能相對…：…輸送帶24的導軌 該滑塊372是該導軌Μ結合的滑塊372 ’ %。當位於該偵測單元3 —第伸縮缸件 件3!尚未上移時， 干體1呈加工狀態且該壓滾 移並壓觸該桿體丨之°該端 =缸件36驅使該_ 33下 遠離該桿體i，w確=^=該壓滾件以上移以 二輸送帶24繼續後務、、，持於加工狀態，當所述 項後移以將該桿體 。_ 該整直單元4處時，透 μ偵測…移送至 滑塊372沿著該導勒 一申縮缸件38會同時驅使該 穩地與該輸送帶24 =移動的方式’該㈣件33得以平 1完成整直加卫後，錢直單元4處；待該桿體 第—伸心件36先驅使„掣件33 201247337 上移並遠離該桿體1，該第二伸縮紅件38再驅使該壓掣件 33平移復位至該光檢測器32旁。 該整直單元4是設置在該偵測單元3旁，並包括一能 相對上下移動地設置在所述二輸送帶24之間的頂撐組41、 一能相對上下移動地設置在所述二輸送帶24之中間上方處 的壓直組42，以及二分別用以控制該頂撐組41與該壓直組 42上下移動的第三伸縮缸件43、44，在本實施例，該第三 伸縮缸件43、44分別是一氣壓缸，也可以是油壓缸；該頂 樓組41具有二分別鄰近所述二輸送帶24之一内側的頂標 塊411 ;該壓直組42具有一能上下移動地位在所述二頂撐 塊411之中間上方處的壓直塊421。 對於位在該整直單元4處且其彎曲部位是懸向上的該 桿體1而言，該第三伸縮缸件43能驅使所述二頂撐塊411 上移以頂抵並支撐該桿體1，該第三伸縮缸件44則能驅使 該壓直塊421下移以施壓於該桿體1之彎曲部位，讓該彎 曲部位受壓變形。在本實施例，是透過該壓直塊421與所 述二頂撐塊411相配合，對該桿體1施予三點式徑向夾壓 作用’以能將該桿體1整直，當然，壓直塊421與頂撐塊 411的數量與排列方式並不限於此。 以下就本發明之桿體整直裝置，將該桿體1之彎曲部 位整直的完整作業流程，作具體說明。 首先’將位在該進料座22上的該桿體1移送至所述二 輸送帶24上’該桿體1之相反二端部丨丨、12會分別卡置 在相對稱之二支撐件242的凹谷246中，隨著所述二輸送 8 201247337 :24之寸動式移動’得以將該桿體i移送至該侧 3 處。 ,圖5所不’所述二輸送帶24在將該桿體1移送至該 、單元3處後隨即暫停’該壓滾件3 ^會麗觸該桿體1之 «部11，進而帶動該桿體i轉動，另一方面，該光檢測 益32會下移以接觸該桿體i，該桿體i必須轉動一周以 上’使光檢測器32能準確測得該桿體！之直線度及其彎曲 部位的程度與位置。 π如圖6所示，在該光檢測器32完成檢測後，該光檢測 器32會上移以遠離該桿冑i。根據該光檢測器32的檢測結 果，該壓滚件31在將該桿體i帶動至呈加卫狀態（即該桿 體1之彎曲部位是懸向上）後便停止滾動，該壓掣件33緊 接著立刻下移以壓制該桿體丨之該端部12，然後該壓滾件 31才會上移以遠離該桿體丨，用以確保後續該桿體丨在從 該偵測單元3移送至該整直單元4，並完成整直加工的過程 中’是穩定維持在加工狀態。 如圖7與圖8所示，在確定該桿體丨是旋轉定位呈該 加工狀態後，所述二輸送帶24繼續啟動以將該桿體1從該 4貞測早元3移送至該整直早元4，由於該壓掣件3 3是壓制 在該桿體1之該端部12上，加上該第二伸縮紅件38 (見圖 4)與該導移組37 (見圖4)的作動，該壓掣件33也會一 併移動至該整直單元4處，至此，所述二輸送帶24呈暫停 狀態，所述二頂樓塊411會上移以分別頂抵並支撐該桿體1 之二端部11、12，同時如圖9所示，該壓直塊421則下移 201247337 並下壓該桿體1之懸向上的彎曲部位，特別是，該壓直塊 421的施壓力道及揚程是取決於該光檢測器32所測知該桿 體1的彎曲變形程度值’能使該桿體1之懸向上之彎曲部 位因受壓變形而暫呈懸向下之彎曲狀態，並在該壓直塊421 上移以不再施壓後’使該桿體1之懸向下之彎曲狀態得以 自動回復呈筆直狀態’故透過該壓直塊421與所述二頂撐 塊411相配合對該桿體1所施加之三點式徑向夾壓作用， 能快速、有效、穩定、精確地將該桿體1整直，使其擁有 高精度與直線度。 於完成上述之整直加工作業後，該壓直塊421會上移 復位，所述一頂樓塊411會下移復位，而該壓掣件33則會 先上移再平移返回至該光檢測器32旁。 如圖10所示’在完成對該桿體1之整直加工作業後， 所述二輸送帶24會繼續啟動，將該桿體丨移送至該出料斗 23以落出收集。 因此，本發明之桿體整直裝置，先利用該壓滾件31與 該光檢測器32相配合，準確測得該桿體丨的彎曲程度並 使該桿體1之彎曲部位懸向上後，該壓直塊421與所述二 頂撐塊411再根據該光檢測器32之檢測結果，施加適切的 徑向壓力以將桿體丨之彎曲部位有效矯直，尤其此整直方 式元王不會傷害到該桿體1的表面，故而讓本發明能產生 整直精度佳且適用性廣等功效。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 10 201247337 範圍及發明說明内容所作讳 吓邛之簡早的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是-立體圖，說明本發明之桿體整直裝置之一較 佳實施例的全機外觀； 圖2是-立體圖’說明該較佳實施例之一偵測單元與 一整直單元的部分構件； 圖3是一平視圖，說明該較佳實施例之一動力組與其 中一輸送帶的關係； 圖4是一示意圖，說明該較佳實施例之該偵測單元與 該整直單疋尚未開始進行整直加工作業時的相對關係； 圖5是一示意圖，說明該較佳實施例之該偵測單元之 一壓滾件與一光檢測器相.配合對一桿體進行直線度檢測； 圖6疋一示意圖，說明該較佳實施例之該偵測單元之 一壓掣件壓制住該桿體，確保其維持在一加工狀態； 圖7是一示意圖，說明該較佳實施例之該壓掣件與該 才干體隨二輸送帶移動至該整直單元處，且該整直單元之一 頂撐組頂抵並支撐該桿體； 圖8是對應圖7之另一視角的一示意圖； 圖9是一示意圖，說明該較佳實施例之該整直單元之 一壓直組下壓該桿體之一彎曲部位，並使其受壓變形；以 及 圖10是一示意圖，說明該較佳實施例對該桿體完成整 直加工作業後，所述二輸送帶將該桿體移送至一出料斗。 11 201247337 【主要元件符號說明】 1 桿體 32 光檢測器 11 端部 33 壓掣件 12 端部 34 驅動組 2 傳送單元 341 基座 21 機台 342 升降件 22 進料座 343 動力件 23 出料斗 344 堝桿 24 輸送帶 345 蜗輪 241 鏈條本體 35 第一伸縮缸件 242 支撐件 36 第一伸縮缸件 244 翼片 37 導移組 245 載輪 371 導軌 246 凹谷 372 滑塊 25 動力組 38 第二伸縮缸件 251 齒輪體 4 整直單元 252 傳動軸 41 頂撐組 253 蝸輪體 411 頂撐塊 254 動力本體 42 壓直組 255 堝桿體 421 壓直塊 3 偵測單元 43 第三伸縮缸件 31 壓滾件 44 第三伸縮缸件 12201247337 VI. Description of the Invention: [Technical Field] The present invention relates to a rod body straightening, and particularly to a rod straightening device which is generally applied to a rod having a smooth surface or a threaded surface. [Prior Art] A general straightening machine clamps a rod to be straightened by a plurality of rollers, so that the rod to be straightened is rotated by the friction of the roller and generates crushing, · The deformation of the curve, etc., by which the effect of the straightening of the rod is achieved. However, due to the above-mentioned straightening process towel, the relative friction between the rod and the roller is continuously generated, which causes a certain degree of damage and damage to the surface of the member, so the straightening manner In fact, it is not suitable for rods, screws, bolts, etc., and should be improved. SUMMARY OF THE INVENTION The object of the present invention is to provide a rod straightening device which is excellent in straightness accuracy and wide in applicability without damaging the surface of the shaft. The rod straightening device of the present invention is used for pressing a bent portion of a rod body, and comprises a transfer unit, a detecting unit, and a straight unit. The transfer unit includes a conveyor belt that is two-phase spaced and that positions the rod in a flat position. The tilting unit is disposed above the transport unit and includes a rolling member disposed above the conveyor belt and capable of pressing one end of the rod and driving the rod to rotate relative to the two conveyor belts And a photodetector capable of detecting the straightness of the rotating body at the same time, according to the detection result of the photodetector, the pressing member drives the rod to rotate and the 201247337 position is in a processing state. The curved portion of the rod is suspended. The straightening unit is disposed beside the detecting unit, and includes a top floor group disposed between the two conveyor belts and capable of supporting and supporting the rod body in a processed state, and a top set disposed on the top support group The pressure group and the head of the pressure straightening group are pressed according to the detection result of the photodetector. The effect of the invention is that 'the first use of the pressing member to cooperate with the photodetector' accurately measures the degree of bending of the rod body, and suspends the curved portion of the rod body, and the pressing group and the topping group are further based on The detection result of the photodetector 'applies a radial pressure sufficient to straighten the curved portion of the rod body, so that the present invention can produce a straightening precision, does not damage the surface of the rod body, and is widely applicable. The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. As shown in FIG. 1 to FIG. 4, the preferred embodiment of the rod straightening device of the present invention is used for straightening a rod body (such as a screw) having a thread on the surface. It is also suitable for straightening a rod 1 (such as a metal rod or a metal tube) with a smooth surface. The rod straightening device comprises a transport unit & 2, a detecting unit 3, and a straight unit 4. The transport unit 2 includes a machine table 2, a feeding seat 22 disposed at a front portion of the machine table 21, and a discharge hopper 23' disposed at a rear portion of the machine table 21, which are symmetrically spaced apart from each other. a conveyor belt 24 positioned between the feed base 201247337 22 and the discharge hopper 23, and a power pack disposed at the rear of the machine table 21 for driving the two conveyor belts 24 to orbit 25. The rod body 1 can be placed across the two conveyor belts 24 in a flat manner, that is, the opposite ends of the rod body U, 12 can be positioned on the two conveyors ▼ 24. Each of the conveyor belts 24 has a chain-shaped and circumscribing chain 胄 241 ′ α and a plurality of support members 242 disposed on the key body 2W in sequence; each support member 242 has 2, a bottom piece 244 pivotally connected to the inner and outer opposite surfaces of the chain body 241, and a carrier wheel 245 disposed between the two wings 244 in a forward and backward direction, the phase of the second carrier 245 The parallel upper semi-circumferential surface cooperates with the top edge of the two fins 244 to form a valley 246 for positioning the corresponding end portion 11 (12) of the rod body i. The power unit 25 has two gear bodies 251 disposed in the machine table 21 and respectively spitting the two chain bodies 241, and a transmission shaft 252 coaxially connecting the two gear bodies 251. a worm wheel body 253 which is disposed at one end of the rear left side of the machine 252, a worm body 255 disposed at a left side of the rear portion of the machine table 21 and engaging the wheel body 253, and a worm body 255 disposed at the machine The power body 254' on the left side of the rear portion of the table 21 for driving the exhaust body 255 is shown in FIG. 2 only one of the chain bodies 241 and one of the gear bodies 251. In the embodiment, the power body 254 is a servo motor, and the transmission configuration of the worm body 255, the worm wheel body 253 and the two gear bodies 251 is controlled to control the two-wheel conveyor belt 24 to move in an inching manner. The rod body 1 is sequentially transferred to the detecting unit 3, the straightening unit 4 and the discharge hopper 23. 201247337 The detecting unit 3 includes a photodetector that can be relatively moved up and down and can be relatively moved in the middle of the m 〇fb 32 and a middle of the round belt 24. The lower movement is arranged in the left side relative to the powder, and the (four) piece 33 above the '1, one for controlling the pressure roller member 31. The driving unit 34 for moving up and down 24 is controlled to control the photodetector 32 and the M-clamp 3 for moving the first and second telescopic red parts of the cylinder to move up and down; In the present embodiment, the first telescopic cylinder member 35, 36 and the first portion are connected to the first telescopic cylinder member 36 and the second telescopic red member 38. Two telescopic cylinder parts % cylinder. The squeezing two rolling cylinders may also be oil:: 'The driving group 34 has a lifting member 342 disposed on the right side of the machine cymbal to drive the pedestal state to move up and down relative to the conveyor belt 24, a power member (4) disposed on the base 341, a woman (4) slid on the pedestal state and capable of being driven by the power member (4), and a worm wheel (4) disposed on the base 341 and cultivating the ram (4), The end of the ... 31 is coaxially connected to the worm wheel 34 Γ power Γ 43 ^ ship motor, the lifting member - is a cylinder, it can also be oil. For the rod at the pre-test unit 3! In other words, when the lifting/lowering = 42 sen (4) causes the susceptor 341 to move up and down, (4) interlocking the pressing and sliding the end portion 该 of the shank 1, or interlocking the pressing member 31 to move up and away from the shank At the end m-direction of the rod body 1, at the pressure 201247337, the rolling member 31 is pressed against the rod body! When the end portion u is on, the power member 343 can be actuated to drive the worm 344 to engage the wheel 345, so that the roller member 31 can be rotated to allow the roller member 31 to drive the rod body. The two conveyor belts 24 are rotated until the rod body 1 is rotated; when the t position is in the -processed state, the bending portion of the rod body 1 is in a hanging direction, and the driving group 34 drives the pressure roller member 31 to stop. Rotating and moving up to away from the shank in the pressing member 31 m # μ, pressing the end portion η of the button body 1 and driving the rod body 1 to rotate as a whole, the whistle-a ^ ^ μ first The telescopic red member 35 can drive the photodetector 32 to move down to lightly touch the rod body 1, and the photodetector 32 performs linearity detection on the rod body 1 to detect the horse #μ. The position and extent of the curved portion of the cup 1 is such that after the detection is completed, the first telescopic, telescopic rainbow member 35 drives the photodetector 32 upward to move away from the rod 1. 37], and - can be relative to ...: ... the guide rail of the conveyor belt 24 This slider 372 is the slider 372 '% of the rail Μ combined. When the detecting unit 3 - the first telescopic cylinder member 3! has not moved up, the dry body 1 is in a machining state and the pressure is rolled and pressed against the rod body. The end = the cylinder member 36 drives the _ 33 Moving away from the rod body i, w = = = the pressure roller is moved upward by the second conveyor belt 24 to continue, and held in the processing state, when the item is moved back to the rod body. _ When the straightening unit 4 is located, the transmission of the squeezing to the slider 372 along the guide squeezing cylinder 38 will simultaneously drive the steadily moving with the conveyor belt 24 = 'four piece 33 After the flat 1 is completed and straightened, the money is straight to the unit 4; after the rod first-extension piece 36 is driven, the piece 33 201247337 is moved up and away from the rod body 1, and the second telescopic red piece 38 is again The pressure member 33 is driven to be reset to the side of the photodetector 32. The straightening unit 4 is disposed beside the detecting unit 3 and includes a second conveyor belt 24 that is movable relative to the upper and lower sides. a top support group 41, a straightening group 42 disposed above the middle of the two conveyor belts 24, and two for controlling the up-and-down movement of the top support group 41 and the straightening group 42 respectively In the present embodiment, the third telescopic cylinders 43 and 44 are respectively a pneumatic cylinder or a hydraulic cylinder; the top floor group 41 has two adjacent conveyor belts 24 respectively. An inner top block 411; the straight group 42 has an upper and lower movable position above the middle of the two top blocks 411 The straightening block 421. For the rod body 1 located at the straightening unit 4 and whose bending portion is hanging upward, the third telescopic cylinder member 43 can drive the two top supporting blocks 411 up to offset And supporting the rod body 1, the third telescopic cylinder member 44 can drive the straightening block 421 to move downward to apply pressure to the curved portion of the rod body 1, and the bending portion is compressed and deformed. In this embodiment, Through the straightening block 421 and the two top supporting blocks 411, a three-point radial clamping action is applied to the rod body 1 to straighten the rod body 1, of course, the straightening block 421 and the top support The number and arrangement of the blocks 411 are not limited thereto. The following is a detailed description of the complete working procedure of the straightening device of the present invention for straightening the curved portion of the rod 1. First, 'the position will be in the feed. The rod body 1 on the seat 22 is transferred to the two conveyor belts 24. The opposite ends of the rod body 1 are respectively clamped in the valleys 246 of the symmetrical support members 242, respectively. The second transport 8 201247337: 24 inch moving movement 'transfers the rod body i to the side 3 . Figure 5 does not 'the two transport 24, after the rod body 1 is transferred to the unit 3, it is then paused. 'The rolling element 3 will touch the part 11 of the rod body 1, and then the rod body i is rotated. On the other hand, the light The detection benefit 32 will move down to contact the rod i, and the rod i must be rotated more than one year to enable the photodetector 32 to accurately measure the straightness of the rod and the extent and position of the curved portion. As shown in Fig. 6, after the photodetector 32 completes the detection, the photodetector 32 moves up to move away from the rod 胄i. According to the detection result of the photodetector 32, the pressure roller 31 is in the rod body i. After the driving state (i.e., the curved portion of the rod body 1 is overhanging) is stopped, the rolling is stopped, and the pressing member 33 is immediately moved downward to press the end portion 12 of the rod body, and then the rolling is performed. The piece 31 is moved up to be away from the rod body to ensure that the rod body is subsequently transferred from the detecting unit 3 to the straightening unit 4, and is stably maintained in the process of straightening processing. status. As shown in FIG. 7 and FIG. 8 , after determining that the rod body is rotationally positioned in the processed state, the two conveyor belts 24 continue to be activated to transfer the rod body 1 from the 4th measuring element 3 to the whole. Straight element 4, since the pressing member 3 3 is pressed onto the end portion 12 of the rod body 1, the second telescopic red piece 38 (see Fig. 4) is added to the guiding group 37 (see Fig. 4). The pressing member 33 is also moved to the straightening unit 4, and the two conveyor belts 24 are in a suspended state, and the two top blocks 411 are moved up to respectively abut and support the The two end portions 11, 12 of the rod body 1, as shown in FIG. 9, the straightening block 421 is moved down 201247337 and the curved portion of the hanging body 1 is pressed down, in particular, the straightening block 421 The application of the pressure channel and the head is determined by the photodetector 32 to determine the degree of bending deformation of the rod body 1 so that the curved portion of the hanging body of the rod body 1 can be temporarily suspended downward due to compression deformation. The state, and after the pressing block 421 is moved to no longer apply pressure, the state of the hanging of the rod body 1 is automatically restored to a straight state, so that the straightening block 421 is passed through Said two supporting block 411 fitted to the three-point rod radially applied crimping action of the body 1, fast, efficient, stable and accurate manner to straighten the rod body 1, so that it has high accuracy and straightness. After the straightening processing operation described above is completed, the straightening block 421 is moved up and reset, the top floor block 411 is moved down and reset, and the pressing member 33 is moved up and then translated back to the light detector. 32 next to it. As shown in Fig. 10, after the straightening processing of the rod body 1 is completed, the two conveyor belts 24 are continuously activated, and the rod body is transferred to the discharge hopper 23 to be collected for falling. Therefore, the rod straightening device of the present invention firstly cooperates with the photodetector 32 by the pressing member 31 to accurately measure the degree of bending of the rod body and suspend the curved portion of the rod body 1 The straightening block 421 and the two top supporting blocks 411 further apply appropriate radial pressure according to the detection result of the photodetector 32 to effectively straighten the curved portion of the rod body, especially the straightening mode is not The surface of the rod 1 is damaged, so that the present invention can produce the effects of good straightness and wide applicability. However, the above is only the preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the scope of the invention patent 10201247337 and the description of the invention are scared. Equivalent variations and modifications are still within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing the overall appearance of a preferred embodiment of the rod straightening apparatus of the present invention; FIG. 2 is a perspective view showing a detecting unit of the preferred embodiment and Figure 3 is a plan view showing a relationship between a power pack of the preferred embodiment and one of the conveyor belts; Figure 4 is a schematic view showing the detecting unit of the preferred embodiment FIG. 5 is a schematic diagram showing a stamping member of the detecting unit and a photodetector in the preferred embodiment. The body is tested for straightness; FIG. 6 is a schematic view showing that the pressing member of the detecting unit of the preferred embodiment presses the rod to ensure that it is maintained in a processing state; FIG. 7 is a schematic view illustrating the In the preferred embodiment, the pressing member and the body are moved to the straightening unit with the second conveyor belt, and one of the straightening units of the straightening unit abuts and supports the rod; FIG. 8 corresponds to FIG. A schematic view of another perspective; FIG. 9 is a schematic view, A bending unit of the straightening unit of the preferred embodiment presses a bent portion of the rod body and deforms it under pressure; and FIG. 10 is a schematic view showing the rod body of the preferred embodiment. After the straightening operation is completed, the two conveyor belts transfer the rod to a discharge hopper. 11 201247337 [Description of main components] 1 Rod 32 Photodetector 11 End 33 Presser 12 End 34 Drive group 2 Transfer unit 341 Base 21 Machine 342 Lifter 22 Feeder 343 Power piece 23 Outlet 344 Mast 24 Conveyor belt 345 Worm gear 241 Chain body 35 First telescopic cylinder 242 Support 36 First telescopic cylinder 244 Wing 37 Guide group 245 Carrier 371 Guide rail 246 Valley 372 Slider 25 Power pack 38 Second Telescopic cylinder 251 Gear body 4 Straightening unit 252 Drive shaft 41 Top support group 253 Worm gear body 411 Top support block 254 Power body 42 Pressing straight group 255 Mast body 421 Pressing block 3 Detecting unit 43 Third telescopic cylinder member 31 Roller member 44 third telescopic cylinder member 12