201021977 六、發明說明： 【發明所屬之技術領域】 本發明係有關一手工具機，尤其關於一扭力回饋機構 之發明。 【先前技術】 習知手工具應用於螺絲元件的鎖合或卸除用途，特別 是應用於大型及精密機構上的螺旋鎖合元件，所以需要不 同且精確的的扭力使螺旋鎖合元件能予以安裝或卸除，但 在一般的安裝或是卸除過程中，無法精準控制氣動手工具 之扭力輸出，而使螺旋鎖合元件無法以適當的扭力鎖合或 卸除，扭力太大會使螺旋鎖合元件崩牙斷裂或使對應鎖合 的螺牙崩牙斷裂，扭力太小則無法使螺旋鎖合元件鎖緊或 卸除。 先前專利文獻方面，如中華民國證書號第M329487號 「氣動手工具之扭力控制裝置」，請參閱「圖1」所示，習 知一氣動手工具之扭力控制裝置，其包含有：一驅動軸1、 一訊號連結環2、一信號擷取元件3、一控制電路4以及 一進氣設備5，一訊號連結環2結合於一驅動軸1，一信 號擷取元件3設於該氣動手工具上，並連結該訊號連結環 2，以獲取扭力感測訊號，另，該控制電路4聯結該氣動 手工具之該進氣設備5,以接收扭力感測訊號而控制該進 氣設備5,使該進氣設備5輸出目標扭力值給該驅動轴1， 以達到輸出扭力感測回饋及控制輸出扭力至目標值的功 效。 但使用後，發現尚有可供進步之空間，該訊號連結環 2位於該驅動軸1，而該信號擷取元件3、該控制電路4與 該進氣設備5均位於該氣動手工具中，其功用發生均在手 3 201021977 工具機體内，且為單一配套的相對元件，一旦扭力感測元 件單一受損或有其他損壞都會彼此影響整體的運作機 制，加上在動力供應來源方面，習知手工具機多為氣動單 一來源，所以更增加此類產品的專一性，不利於雄修及使 用的廣泛性。然後在各元件修復或更換上，多要整組元件 汰換，在成本消耗上，所費不貲。 【發明内容】 爰是，本發明的目的在於設計一種扭力回饋機構，並 能應用於一手工具機中，該手工具機具有一驅動軸。 基於上述目的，本發明為包含有一本體、一扭力偵測 元件、一數位處理系統以及一動力供給單元；該本體具有 兩端，一端具有一插入孔，一端具有一工作端，該插入孔 與該手工具機之該驅動軸結合固定，該工作端作為螺旋鎖 合元件，另外，該本體上設有該扭力偵測元件，使能偵測 出該本體形變變化並轉換成扭力值訊號，再將扭力值訊號 傳送至該數位處理系統，當扭力值訊號到達預設值時，該 數位處理系統調節該動力供給單元之動力，目的為執行扭 力輸出及回饋控制。 據此，藉由施以扭力及回饋控制，精確的控制扭力 輸出，使能保護螺絲及該工作端，減低崩牙之發生，另 外把該扭力偵測元件與該數位處理系統分別設置於不 同部位，減少單獨元件損壞的修理、更換成本，該扭力 偵測元件更可設置於不同的螺旋鎖合元件型式，可增加 使用壽命及利用的變化性。在動力供給單元方面，係選 自於氣動幫浦與電力供應器之任一種，增加動力供給的 多變性，而且可因應該手工具機的使用選擇，轉換不同 動力供應，另，由於不同的手工具機選擇，所以可為其 4 201021977 • 他的驅動型式供該本體配合使用，大大提高便利性，及 . 減低本體維修的成本。 【實施方式】 茲有關本發明的詳細内容及技術說明，現以實施例 來作進一步說明，但應瞭解的是，該等實施例僅為例示 說明之用，而不應被解釋為本發明實施之限制。 請參閱「圖2、圖3」所示，本發明為包含有一本體 、一扭力偵測元件11、一數位處理系統2〇以及一動力 Φ 供給單元30 ;實施本發明，該本體10具有兩端，一端 具有一插入孔101 ’ 一端具有一工作端1〇2。 使用本發明時’先將該插入孔固定於一手工具 機40之一驅動轴41固定結合，該工作端1〇2茲作為螺 絲鎖合元件，並固定於螺絲等欲作動元件後，執行鎖合 或拆卸動作，經該啟動開關42啟動後，設置於該本體 10上的該扭力偵測元件1丨，偵測出一扭力值訊號（圖未 示）’並傳到該數位處理系統20所連結的一接收器21， 以偵測出該扭力值訊號，經判斷是否到達預設值，再藉 〇 由該動力供給單元30與該手工具機40連結，而控制該 動力供給單元30，調整輸出到該手工具機的動力， 達到回饋控制。 該扭力偵測元件11包含有：一應變規111、一電路 板112、一無線通訊器113、一水銀電池114、一導電 橡膠115、一液晶顯示器116 ;而該應變規ιη緊密設 置於該本體10上，藉以偵測該本體1〇扭力值變化；該 電路板112位於該應變規lu上方，該電路板112具有 該水銀電池114供應電力給該無線通訊器113,該電路 板112處理該應變規U1傳導來的扭力值訊號，並透過 5 201021977 • 該無線通訊器113傳出至該數位處理系統2〇 ;該液晶 • 顯示器116位於該電路板112上方，並以該導電橡踢 115做為傳輸該電路板112的該扭力值訊號，以顯示其 數值。且該本體ίο外包覆一上蓋117與一下蓋U9, 藉以保§蔓該本體10及該扭力備測元件11，並且該上蓋 117設有一視窗118,該視窗118是為供予該液晶顯示 器116顯示及保護用。 因此該扭力偵測元件11之該應變規丨丨1，能债測 φ 出該本體10形變並藉由該電路板112轉換成該扭力值 訊號，並將該扭力值訊號傳送至該數位處理系統2〇, 當該扭力值訊號到達預設值時，該數位處理系統2〇便 調節該動力供給單元30之動力，目的為執行扭力輸出 及回饋控制。 據此，藉由施以扭力及回饋控制，精確的控制扭力 輸出，其能保護螺絲及該工作端102,減低崩牙之發生， ，該工作端之型式選自於：起子、六角螺孔、螺釘與螺 旋鎖合工具之任一種；另外把該扭力偵測元件u與該 馨 ，位處理系統20分別設置於不同部位，減少單一元^ 損壞時，修理及更換的成本，在動力供給單元3〇方面， 係選自於氣動幫浦與電力供應器之任一種，增加動力供 給的多變性，而且可因應該手工具機4〇的使用選擇了 轉換不同動力供應，另，由於不同種類的該手工具機 4〇選擇，所以可為其他的驅動型式供該本體1〇配^使 用，大大提高便利性，及減低本體維修的成本◊另^卜可 將該扭力偵測元件11配置於不同的螺鎖工具型 增加利用的變化性。 6 201021977 惟上述僅為本發明之較佳實施例而已’並非用來限定 ，發明實施之範圍。即凡依本發明申請專利範圍所做的= 等變化與修飾，皆為本發明專利範圍所涵蓋。 = 【圖式簡單說明】 圖1為習知氣動手工具之扭力控制裝置示意圖。 圖2為本發明扭力回饋機構示意圖。 圖3為本發明扭力偵測元件立體分解示意圖。 【主要元件符號說明】 習知部分：201021977 VI. Description of the Invention: TECHNICAL FIELD OF THE INVENTION The present invention relates to a hand-held power tool, and more particularly to a torsion feedback mechanism. [Prior Art] Conventional hand tools are used for the locking or unloading of screw components, especially for spiral locking components on large and precision mechanisms, so different and precise torques are required to enable the screw-locking components to be Installation or removal, but during the general installation or removal process, the torque output of the pneumatic hand tool cannot be precisely controlled, so that the screw-locking component cannot be locked or removed with proper torque, and the torque is too large, which makes the screw lock If the component collapses or breaks the corresponding locking screw, the torque is too small to lock or remove the screw-locking component. For the prior patent documents, such as the Republic of China Certificate No. M329487 "Torque Control Device for Pneumatic Hand Tools", please refer to the torque control device of a pneumatic hand tool as shown in "Figure 1", which includes: a drive shaft 1. A signal link ring 2, a signal capture component 3, a control circuit 4 and an air intake device 5, a signal link ring 2 is coupled to a drive shaft 1, and a signal capture component 3 is disposed on the pneumatic hand tool And connecting the signal connecting ring 2 to obtain a torque sensing signal, and the control circuit 4 is coupled to the air intake device 5 of the pneumatic hand tool to receive the torque sensing signal to control the air intake device 5, so that The air intake device 5 outputs a target torque value to the drive shaft 1 to achieve the output torque sensing feedback and control the output torque to the target value. However, after use, it is found that there is room for improvement. The signal connecting ring 2 is located on the driving shaft 1, and the signal capturing component 3, the control circuit 4 and the air intake device 5 are located in the pneumatic hand tool. Its function occurs in the hand 3 201021977 tool body, and is a single matching relative component. Once the torque sensing component is damaged or otherwise damaged, it will affect the overall operating mechanism, plus the source of power supply, Hand tool machines are mostly single sources of pneumatics, so the specificity of such products is increased, which is not conducive to the extensiveness of training and use. Then, in the repair or replacement of each component, it is necessary to replace the entire group of components, which is costly. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to design a torque feedback mechanism that can be applied to a hand-held power tool having a drive shaft. Based on the above object, the present invention includes a body, a torsion detecting component, a digital processing system, and a power supply unit; the body has two ends, one end has an insertion hole, and one end has a working end, and the insertion hole and the The driving shaft of the hand tool machine is fixedly coupled, and the working end is used as a screw locking component. In addition, the torque detecting component is disposed on the body, so that the deformation change of the body is detected and converted into a torque value signal, and then The torque value signal is transmitted to the digital processing system. When the torque value signal reaches a preset value, the digital processing system adjusts the power of the power supply unit for performing torque output and feedback control. Accordingly, by applying the torque and feedback control, the torque output is accurately controlled, the protection screw and the working end are enabled, and the occurrence of the disintegration is reduced, and the torque detecting component and the digital processing system are respectively disposed in different parts. To reduce the repair and replacement cost of individual component damage, the torque detecting component can be arranged in different types of screw-locking components, which can increase the service life and the variability of utilization. In terms of power supply unit, it is selected from any one of pneumatic pump and power supply, which increases the variability of power supply, and can switch different power supply according to the choice of hand machine tool. Tool machine selection, so it can be used for 4 201021977 • His drive type is used with the body to greatly improve convenience and reduce the cost of body maintenance. The detailed description of the present invention and the technical description thereof will be further described by way of examples, but it should be understood that these embodiments are for illustrative purposes only and should not be construed as The limit. Referring to FIG. 2 and FIG. 3, the present invention includes a body, a torsion detecting component 11, a digital processing system 2A, and a power Φ supply unit 30. The present invention has two ends. One end has an insertion hole 101' and one end has a working end 1〇2. When the present invention is used, the insertion hole is fixed to one of the drive shafts 41 of the hand tool machine 40, and the working end 1 is used as a screw-locking element, and is fixed to a screw or the like to perform an actuating element, and then the lock is performed. Or the disassembling action, after the start switch 42 is activated, the torque detecting component 1 设置 disposed on the main body 10 detects a torque value signal (not shown) and is transmitted to the digital processing system 20 a receiver 21 is configured to detect the torque value signal, determine whether the preset value is reached, and then connect the power supply unit 30 to the power tool unit 40 to control the power supply unit 30 to adjust the output. The power to the hand tool machine reaches the feedback control. The torque detecting component 11 includes: a strain gauge 111, a circuit board 112, a wireless communicator 113, a mercury battery 114, a conductive rubber 115, and a liquid crystal display 116; and the strain gauge is closely disposed on the body 10, in order to detect a change in the torque value of the body; the circuit board 112 is located above the strain gauge lu, the circuit board 112 has the mercury battery 114 supplying power to the wireless communication device 113, and the circuit board 112 processes the strain The torque value signal transmitted by the regulation U1 is transmitted through the 5 201021977. The wireless communication device 113 is transmitted to the digital processing system 2; the liquid crystal display 116 is located above the circuit board 112, and the conductive rubber kick 115 is used as the The torque value signal of the circuit board 112 is transmitted to display its value. The main body ίο is covered with an upper cover 117 and a lower cover U9, so as to protect the body 10 and the torque preparing component 11, and the upper cover 117 is provided with a window 118 for providing the liquid crystal display 116. Display and protection. Therefore, the strain gauge 1 of the torsion detecting component 11 can be deformed and deformed by the body 10 and converted into the torque value signal by the circuit board 112, and the torque signal is transmitted to the digital processing system. 2〇, when the torque value signal reaches the preset value, the digital processing system 2 adjusts the power of the power supply unit 30 for the purpose of performing the torque output and the feedback control. Accordingly, by applying the torque and feedback control, the torque output can be precisely controlled, which can protect the screw and the working end 102, and reduce the occurrence of the disintegration. The working end is selected from the group consisting of: a screwdriver, a hexagonal screw hole, Any one of a screw and a screw-locking tool; and the torque detecting element u and the locating and processing system 20 are respectively disposed at different positions, thereby reducing the cost of repairing and replacing a single element, in the power supply unit 3 In other respects, it is selected from any one of pneumatic pump and power supply, which increases the variability of power supply, and can choose to convert different power supply according to the use of hand tool machine 4, and, due to different kinds of The hand tool machine is selected, so that the other driving type can be used for the main body, which greatly improves the convenience and reduces the cost of the body maintenance. The torque detecting element 11 can be configured in different The screw lock tool type increases the variability of utilization. 6 201021977 The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the invention. That is, the variations and modifications made by the scope of the patent application of the present invention are covered by the scope of the invention. = [Simple description of the drawing] Figure 1 is a schematic diagram of the torque control device of the conventional pneumatic hand tool. 2 is a schematic view of a torsion feedback mechanism of the present invention. 3 is a perspective exploded view of the torsion detecting component of the present invention. [Main component symbol description] Conventional part:
I .驅動轴 2:訊號連結環 3:信號摘取元件 4 :控制電路 5 :進氣設備 本創作部分： 117 :上蓋 118 :視窗 119 :下蓋 2 0 :數位處理系統 2 1 :接收器 3 0 :動力供給單元 4 0 :手工具機 4 1 :驅動軸 4 2 :啟動開關 10 :本體 101 :插入孔 102 :工作端 II :扭力偵測元件 III :應變規 112 ·電路板 113 :無線通訊器 114 :水銀電池 115 :導電橡膠 116 :液晶顯示器 7I. Drive shaft 2: Signal link ring 3: Signal pick-up element 4: Control circuit 5: Intake device This authoring part: 117: Upper cover 118: Window 119: Lower cover 2 0: Digital processing system 2 1 : Receiver 3 0 : Power supply unit 40 : Hand tool machine 4 1 : Drive shaft 4 2 : Start switch 10 : Body 101 : Insert hole 102 : Working end II : Torque detecting element III : Strain gauge 112 · Circuit board 113 : Wireless communication 114: Mercury battery 115: Conductive rubber 116: Liquid crystal display 7