200827074 九、發明說明： 【發明所屬之技術領域】 本發明係關於—種微型電阻 藉由一光學尺及一壓力戍、，寺別是關於 雷阻®双測一焊接工件於進行禅创 %阻點知過私中之焊力及電 订微型 升焊接品質讀型電阻轉打。mu以便提 【先前技術】 目前常見之大型電阻點焊線上檢梅 含檢測電氣參數及機械參數二大類。診恭 要係包 接工件之接觸面的—電壓降’以及通過該二妾工::二焊 接電流，藉由計算該霞降及焊接電流所獲得 2 ===予:Γ並控制_質。該機械』 二，=:力予該焊接工件之一焊接壓力及—電極位 私里雜接堡力可用以顯示該電極頭__ 之衝勒’該％择位移量則為該電極頭之下I行程， 該焊接壓力及電極位移量檢測之檢測結果，可得知今= 工件是否具有絲衫讀形。目此，f知大型電阻點焊 線上檢測技術主要係透過檢測上述電氣參數及機械參數以 維持其焊接品質。 /惟以目前電阻點焊之線上檢測技術而言，並無針對 斂型」電阻點焊技術之應用。由於微型電阻點焊之焊接 工件的尺寸相對較小，且相關焊接參數對焊接品質之影響 程度亦與大型電阻點焊有顯著不同，故上述習知大型^二 點焊線上檢測技術並不適用於微型電阻點焊。另外，現今 O:\Ol-l LindaVPK Pat\PK1023α doc n —5 —200827074 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a miniature resistor by means of an optical scale and a pressure gauge, and the temple is related to the lightning resistance of the double-measured welding workpiece. I learned about the welding power in the private and the electric-type micro-welding quality reading resistors. Mu to mention [Prior Art] At present, the common large-scale resistance spot welding line inspection contains two categories of electrical parameters and mechanical parameters. The diagnosis should be based on the voltage drop of the contact surface of the workpiece and the second welding:: two welding current, obtained by calculating the Xia Jiang and welding current 2 === to: Γ and control _ quality. The machine 』2, =: force the welding pressure of one of the welding workpieces and - the electrode position private miscellaneous force can be used to show the head of the electrode head __ '% of the displacement is below the electrode head I stroke, the detection result of the welding pressure and the electrode displacement detection, can be known whether the workpiece has a silk reading shape. Therefore, it is known that the large-scale resistance spot welding line detection technology mainly maintains the welding quality by detecting the above electrical parameters and mechanical parameters. / However, in terms of the current on-line inspection technology for resistance spot welding, there is no application for the “resistive” resistance spot welding technology. Since the size of the welding workpiece of the micro resistance spot welding is relatively small, and the influence of the relevant welding parameters on the welding quality is also significantly different from that of the large resistance spot welding, the above-mentioned large-scale two-point welding line detection technology is not suitable for Micro resistance spot welding. In addition, today O:\Ol-l LindaVPK Pat\PK1023α doc n —5 —
〇β/丨2/2fi/〇5:43 PH 200827074 * ^業界於生產線上針對卿電阻轉所使狀線上檢測方 式’其料遍依賴專業資深人員以目視法，根據表面焊痕 ί寸？ί、焊接點表面色度及焊接時火花喷濺情形來判斷 焊接品質。然而’以目視法線上檢測微型電阻點焊過程， =,,、、法達到精確檢測焊接品質之目的。基於上述原因，有 必要進纟研發出可適用於微型電阻點焊技術的線上裝置 以更進一步維持微型電阻點焊之焊接品質。 ❿ 人有I於此’本發明改良上述習知大型電阻點焊之線 上核測技術热法應用於檢測微型電阻點焊之焊接品質的缺 ^其係藉由一線性電磁閥控制一焊接電極組對一焊接工 件進行微型包阻點焊作業，並於微型電阻點焊過程中，利 用-光學尺及一堡力感知器檢測其焊#壓歧電極位移量 “遽=械參數，絲合以—電壓及電流量測單元檢測一焊接 ⑽及-電壓降等電氣參數，以便依據前述各動態焊接參 數建立可直接預測焊點強度的微型電阻點焊系統，因此 _ 能提升其焊接品質。 【發明内容】 本务明之主要目的係提供一種微型電阻點焊裝置， 其係藉由一線性電磁閥控制一焊接電極組對一焊接工件進 行微型電阻點焊作業，以便利用一光學尺、一壓力感知器 ' 及一電壓及電流量測單元檢測各相關焊接參數，使得本發 * 明具有提升微型電阻點焊之焊接品質的功效。 根據本發明之微型電阻點焊裝置，其包含一基座、 線性電磁閥、-光學尺、一動力組及一焊接電極組。該 D:\01-l LindaXPK PatMTi 10230. doc 〇β/12/20/05：« PS( —6 — 200827074 =電磁閥設置於該基座之上方且具有—作動桿，該作動 ^又有Μ力感知器及一活動塊，肖光學尺設有一位移量 k利件以固接_動桿並抵接該活動塊，該動力組用以致 =亥活動塊升降活動，該焊接電極組透過該線性電磁閥之 3對一~接兀件進行微型電阻點焊作業。藉此，於焊接 過饪中^可利用該光學尺及壓力感知器檢麟接壓力及電 極:移里’再配合以—電壓及電流量測單元檢測焊接電流〇β/丨2/2fi/〇5:43 PH 200827074 * ^In the production line on the production line, the industry relies on professional and experienced personnel to visually determine the surface according to the surface of the welding mark. ί, the color of the solder joint surface and the spark splash during soldering to judge the soldering quality. However, by visually detecting the micro-resistance spot welding process, the =, ,, and methods achieve the purpose of accurately detecting the welding quality. For the above reasons, it is necessary to develop an in-line device that can be applied to the micro resistance spot welding technology to further maintain the welding quality of the micro resistance spot welding. The invention has improved the above-mentioned conventional large-scale resistance spot welding on-line nuclear measurement technology. The thermal method is applied to detect the welding quality of micro-resistance spot welding, and the welding electrode group is controlled by a linear solenoid valve. A micro-package resistance spot welding operation is performed on a welded workpiece, and in the micro-resistance spot welding process, the displacement of the welding #pressure-discriminating electrode is detected by using an optical ruler and a fortitude sensor, "遽= mechanical parameter, silk-to- The voltage and current measuring unit detects an electrical parameter such as welding (10) and voltage drop to establish a micro resistance spot welding system capable of directly predicting the strength of the solder joint according to the foregoing dynamic welding parameters, so that the welding quality can be improved. The main purpose of this service is to provide a miniature resistance spot welding device that controls a welding electrode assembly to perform a micro resistance spot welding operation on a welded workpiece by using a linear solenoid valve to utilize an optical scale and a pressure sensor. And a voltage and current measuring unit detects each relevant welding parameter, so that the present invention has the effect of improving the welding quality of the micro resistance spot welding. The invention relates to a micro resistance spot welding device comprising a base, a linear solenoid valve, an optical ruler, a power set and a welding electrode set. The D:\01-l LindaXPK PatMTi 10230. doc 〇β/12/20/ 05: « PS ( —6 — 200827074 = The solenoid valve is placed above the base and has an actuating lever. The actuating force has a force sensor and a moving block. The optical optical tape is provided with a displacement amount of K pieces. Fixing the _ moving rod and abutting the movable block, the power group is used for causing the lifting movement of the lifting block, and the welding electrode group is subjected to the micro resistance spot welding operation through the three pairs of the connecting pieces of the linear electromagnetic valve. In the welding process, the optical ruler and the pressure sensor can be used to check the pressure and the electrode: the shifting is combined with the voltage and current measuring unit to detect the welding current.
’以利用各相關焊接參數，使微型電阻點焊可進 :非破祕的檢測，進而達到線上強度侧及提升焊接品 貝之功效 【實施方式】 遍轉本發明之上述及其他目的、特徵及優點能更明 =重，下文特舉本發明之較佳實施例，並配合所附圖式 作洋細說明如下： 電阻及2圖所示，本發明較佳實施例之微型 尺3、、干衣置係包含一基座1、一線性電磁閥2、-光學 動力組4及-焊接電極組5。該線性電磁閥2及 型電=Γ該焊接電極組5對一焊接工件6進行微 線性带磁H t 便於賴型電阻點焊過程中，藉由該 及電之「壓力感知器22、該光學尺3及一電屢 進而有二=焊^分別檢測各種相關焊接參數， 座較佳實施例之基 心1儿卞口 及一工件平台13。 O:\OM LindaNPK Pat\PK|〇23(L <!〇,. 200827074 該立柱π設置於該基座丨之頂面， 有一定位羊111，# + / 4 、 且忒立柱11之一侧設 有疋位木m，该疋位架m上 各糊桿m頂端結合一固定架ιΐ3，=^^ 電磁閥2、光學尺3及動力 =疋祕性 亦雀罟认， 4寺構件。该定位平台12 於祕座1之職且㈣錄朗植U之一侧 平:T合該焊接電極組5之—第一電極頭 f2台則設置於該基座1之頂面且相對位於該定位平台 12 —側，以供置放一焊接工件6。 請再參照第厂及2圖所示，本發明較佳實施例之線 包磁閥2設有-作動桿21及—壓力感知器22。該作動 干21結合於該祕電_ 2之底部，而可藉由該線性電 i磁閥2致_作動桿21朝_基座1之方向絲移動。 該堡力感知H 22設置於該作動桿21之桿身，用以檢測微 型％阻點焊過程中之焊接壓力。 明再麥妝第1及2圖所示，本發明較佳實施例之動 _ 力組4較佳可選自一氣壓缸或一油壓缸等動力裝置，該動 力組4設有一致動桿41，該致動桿41係連接一活動塊幻 ，以便致動該活動塊23於該線性電磁閥2之作動桿21上 '行升IV私動。其中該活動塊23可活動的結合於該作動 杯21之桿身且相對位於該壓力感知器22下方，該活動塊 23相對於該作動桿21之一側形成一容置槽231，且該活 - 動塊23設有自頂面貫穿至底面的至少一導引孔232，該 導弓丨孔232可供該支撐桿112穿伸通過，以便該活動塊 23於该作動桿21上進行升降移動的過程中，亦可藉由該 O:\OI-l LindaSPK Pat\PKlB23a doc'Using the relevant welding parameters, the micro-resistance spot welding can be carried out: non-destructive detection, thereby achieving the effect of the on-line strength side and lifting the welded product. [Embodiment] The above and other objects and features of the present invention are circulated. The advantages of the present invention will be more clearly described. The following is a detailed description of the preferred embodiment of the present invention, and the following is a detailed description of the following: The garment system comprises a base 1, a linear solenoid valve 2, an optical power unit 4 and a welding electrode group 5. The linear solenoid valve 2 and the type of electricity = Γ the welding electrode group 5 performs a micro-linear magnetic field H t on a welding workpiece 6 to facilitate the pressure-sensitive resistance spot welding process, by the electric pressure sensor 22, the optical Ruler 3 and one electric relay and then two=welding^ respectively detect various relevant welding parameters, and the base of the preferred embodiment is a mouth and a workpiece platform 13. O:\OM LindaNPK Pat\PK|〇23(L <!〇,. 200827074 The column π is disposed on the top surface of the base cymbal, has a positioning sheep 111, # + / 4 , and one side of the truss column 11 is provided with a mortise wood m, the position frame m The top end of each paste bar m is combined with a fixing frame ιΐ3, =^^ solenoid valve 2, optical ruler 3 and power = 疋 性 亦 , , 4, 4 temple components. The positioning platform 12 is in the seat of the secret seat 1 and (4) recording One side of the implant U is flat: T is connected to the welding electrode group 5 - the first electrode head f2 is disposed on the top surface of the base 1 and opposite to the side of the positioning platform 12 for placing a welding workpiece 6 Referring to the first factory and FIG. 2, the wire-wrapping magnetic valve 2 of the preferred embodiment of the present invention is provided with an actuating lever 21 and a pressure sensor 22. The actuating stem 21 is combined with the secret electric power. The bottom of the _ 2 can be moved by the linear electric solenoid valve 2 toward the directional axis of the pedestal 1. The fortitude sensing H 22 is disposed on the shaft of the actuating lever 21 for detecting The welding pressure during the micro-% spot welding process. As shown in Figures 1 and 2 of the preferred embodiment, the dynamic force group 4 of the preferred embodiment of the present invention may preferably be selected from the group consisting of a pneumatic cylinder or a hydraulic cylinder. The power unit 4 is provided with an actuating lever 41 that is coupled to a movable block to actuate the movable block 23 to perform an IV private movement on the actuating lever 21 of the linear solenoid valve 2. The movable block 23 is movably coupled to the shaft of the operating cup 21 and is located under the pressure sensor 22, and the movable block 23 forms a receiving groove 231 with respect to one side of the operating rod 21, and the living block 23 The moving block 23 is provided with at least one guiding hole 232 extending from the top surface to the bottom surface, and the guiding rod hole 232 is allowed to pass through the supporting rod 112 so that the movable block 23 moves up and down on the actuating rod 21 In the process, the O:\OI-l LindaSPK Pat\PKlB23a doc can also be used.
~ 8 — flfi/12/215/05:43 .PM 200827074 支撐桿112提供一導引作用。 •請再茶照第1及2圖所示，本發明較佳實施例之光 學尺3係結合該基座1之定位架111且相對位於該線性電 磁閥2之作動桿21側邊。該光學尺3上設有一位移量檢 測件31 ’該位移量檢測件31設有一第一結合部祀及 二結合部312。該第-結合部311係可活動的結合該光學 尺、3，使該位移量檢測件31於光學尺3上進行升降 的過程中，可藉由該光學尺3量測該位移量檢測件Μ之 $移量，以便檢·型電隨焊過程巾之電極位移量。該 第-結合部312係固接該線性電磁閥2之作動桿以 _入於該容置槽231内，該第二結合部312與該容置样 231的-槽壁之間設有至少—彈性元件％，以便藉由^ C性7L件32之雜赠作用，使該第二結合部可確者 抵接該容置槽231之另一槽壁。 貝 拉请再参照第i及2圖所示，本發明較佳實施例之 ，電極組5設有-第-電極頭51及一第二電極頭幻。該 弟-電極頭51結合於該基座！之平台12上，該第二 該广广 51而結合於該線性電磁心之 ，動杯21底^，使該第一電極頭51及第二電極頭$ 間，有-預定距離，以便藉由該相對應之第—電極 及第二電極頭52對該焊接工件6進行微型電阻點焊作業 請參照第2圖所示’當使用本發明微 置時，係先將-焊接工件6放置於該工件平台裝 上’ 5亥 1 Linda^ Pat\Pn〇23ad 一 9 — °^Ι2/2Γ>/〇5：4 200827074 、+件6之預疋焊接部位係伸入該第一電極頭51及第 “本頭52之間，以便完成微型電阻點焊之事前準備動 作。 ^凊翏照第3圖所示，次利用該動力組4之致動桿41 ▼動4/舌動塊23向下移動，藉由該活動塊23之容置槽 的匕壁與邊位移量檢測件31之第二結合部Η]相互 抵接’以及該第二結合部312亦固接該線性電磁閥2之作 才干1 p。又5十，使该活動塊23向下移動時，可同時帶動 孩位私里彳双測件及該作動桿21向下移動，進而令結合 ;乂作動彳干21之末端的第二電極頭52到達一預定位置， “弟一氣極頭52與該焊接工件6之預定焊接部位可維 持一預定距離，以便完成微型電阻點焊之預先動作。 擎吃卜明參知苐4圖所示’最後藉由該線性電磁閥2具有 可提南電極壓力控制之反應速度及精度的特性，而利用該 線性電磁閥2之作動桿21控制該第二電極頭52向下務動 至該焊接工件6的預定焊接部位，以便對該焊接工件6進 行微型電阻點焊作業。其中當該線性電磁閥2之作動桿 21向下移動的過程中，可同時帶動該位移量檢測件31向 下移動，並使該彈性元件32配合壓縮形變，藉由該位移 量檢測件31之第一結合部311結合該光學尺3之設計， 该光學尺3即可檢測微型電阻點焊過程中之電極位移量（ α)另外，並藉由設置於該作動桿21上之壓力感知器 22檢測微型電阻點焊過程中之桿接壓力，以及可再利用 一電壓及電流量測單元〔未繪示〕同時量測該微型電阻焊 p:\01-l LindaXPK Pat\PKI023a d〇c —10 — 200827074 過私中之焊接電流及電壓降，進而獲得微型電阻點焊線上 檢測所需之相關焊接參數。 1如上所述，相較於習用電阻點焊技術並無針對「微 電阻點焊線上檢測技術之應用等缺點。本發明可於該 、龟極"且5對该焊接工件6進行微型電阻點焊作業的過 ^中’藉由該光學尺3之位移量檢測件Μ及該壓力感知 “ 榀’則忒焊接工件6之電極位移量及焊接壓力等機械~ 8 — flfi/12/215/05:43 .PM 200827074 Support bar 112 provides a guiding effect. • Please refer to the first and second figures of the present invention. The optical ruler 3 of the preferred embodiment of the present invention is coupled to the positioning frame 111 of the base 1 and opposite to the side of the actuating lever 21 of the linear solenoid valve 2. The optical scale 3 is provided with a displacement detecting member 31'. The displacement detecting member 31 is provided with a first joint portion 祀 and a second joint portion 312. The first joint portion 311 is movably coupled to the optical scale 3, and the displacement amount detecting member 31 is lifted and lowered on the optical scale 3, and the displacement amount detecting member can be measured by the optical scale 3. The amount of displacement is used to check the amount of electrode displacement of the type of electric welding torch. The first joint portion 312 is fixed to the actuating rod of the linear solenoid valve 2 to be inserted into the receiving groove 231. The second joint portion 312 is disposed at least between the groove wall of the receiving sample 231. The elastic element is configured so that the second joint portion can abut against the other groove wall of the accommodating groove 231 by the miscellaneous action of the C-type 7L member 32. Please refer to FIGS. 1 and 2 again. In the preferred embodiment of the present invention, the electrode assembly 5 is provided with a first electrode tip 51 and a second electrode tip. The younger-electrode head 51 is coupled to the base! On the platform 12, the second wide 51 is coupled to the linear electromagnetic core, and the bottom of the movable cup 21 has a predetermined distance between the first electrode head 51 and the second electrode head. The corresponding first electrode and the second electrode head 52 perform the micro resistance spot welding operation on the welding workpiece 6. Referring to FIG. 2, when the micro-disposing of the present invention is used, the welding workpiece 6 is placed first. The workpiece platform is mounted on the first electrode head 51 and the first electrode head 51. "Between the heads 52, in order to complete the pre-preparation action of the micro resistance spot welding. ^ As shown in Fig. 3, the actuation lever 41 of the power unit 4 is used to move the lower movement of the tongue movement block 23 The second joint portion Η of the accommodating groove of the movable block 23 and the second joint portion 边 of the side displacement detecting member 31 abut each other and the second joint portion 312 is also fixed to the linear solenoid valve 2 1 p. Further, when the moving block 23 is moved downward, the double measuring piece of the child can be simultaneously driven and the actuating rod 21 is moved downward, thereby The second electrode head 52 at the end of the ramming operation 21 reaches a predetermined position, and the predetermined welding position of the welding head 6 and the welding workpiece 6 can be maintained at a predetermined distance to complete the pre-action of the micro resistance spot welding. . According to the linear electromagnetic valve 2, the linear electromagnetic valve 2 has the characteristics of the reaction speed and accuracy of the south electrode pressure control, and the second electromagnetic valve 2 is used to control the second The electrode tip 52 is moved downward to a predetermined welding portion of the welding workpiece 6 to perform a micro resistance spot welding operation on the welding workpiece 6. In the process of moving the actuating lever 21 of the linear solenoid valve 2 downward, the displacement detecting member 31 can be driven to move downward, and the elastic member 32 can be combined with compression deformation, and the displacement detecting member 31 can be used. The first joint portion 311 is combined with the design of the optical scale 3, and the optical scale 3 can detect the electrode displacement amount (α) during the micro resistance spot welding process, and is further provided by the pressure sensor 22 disposed on the actuating rod 21. Detecting the rod connection pressure during the micro resistance spot welding process, and reusing a voltage and current measuring unit (not shown) to simultaneously measure the micro resistance welding p:\01-l LindaXPK Pat\PKI023a d〇c —10 — 200827074 Insufficient welding current and voltage drop, in order to obtain the relevant welding parameters required for micro resistance spot welding. 1 As described above, compared with the conventional resistance spot welding technology, there is no disadvantage of the application of the micro-resistance spot welding line detection technique. The present invention can perform the micro-resistance point on the welding workpiece 6 in the turtle pole " In the welding operation, the displacement amount detecting member of the optical scale 3 and the pressure sensing "榀" are the mechanical displacement of the workpiece 6 and the welding pressure and the like.
，並配合該電壓及電流量測單元〔未繪示〕同時量測 4接電歧電壓降等電氣參數。藉此，可㈣焊接完成 ^焊接工件6進行剝離試驗以確認其焊接強度，用以對照 線上檢酬獲得之各相關焊接參數，以便作為焊接品 丨貝之判斷雜，進喊立非破雜的微型電隨焊之線上 1強度預測系統，以大幅提升其焊接品質。 雖然本發明已上述較佳實施例揭示，然其並非 用以限林發日I，任何_此技藝者林麟本發明之精 神和範圍之内，相對上述實施例進行各種更動與修改仍屬 本發明所賴之技術齡，因此本發明之賴朗當視後 附之申請專利範圍所界定者為準。 D:\0M LindaXPK Pat\Pil〇23adocAnd with the voltage and current measuring unit (not shown) simultaneously measure 4 electrical parameters such as voltage difference. By this, (4) welding can be completed ^ welding workpiece 6 to carry out the peeling test to confirm the welding strength, to compare the relevant welding parameters obtained by online inspection, so as to judge the miscellaneous welding of the mussels, The micro-electric welding line 1 strength prediction system to greatly improve the welding quality. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the scope of the invention, and any modifications and modifications to the above embodiments are still within the spirit and scope of the present invention. The technical age of the invention is based on the scope defined by the patent application of the present invention. D:\0M LindaXPK Pat\Pil〇23adoc
06/l2/2G/05:43 PH —11 — 200827074 【圖式簡單說明】 ^ 1圖··本發明較佳實施例之微型電阻點焊襞置之組 合前視圖。 射L2目：本發賴佳實_之微型電阻點職置進行 ”、、占烊刖之組合侧視圖。 第3圖·本發明較佳實施例之微型電 點焊預先動作之組合側视圖 阻點焊裝置完成 點焊\4之=2較佳實施例之簡阻轉裝置進行 【主要元件符號說明】 __ 1 基座 Ifi Π1定位架 H3固定架 13 工件平台 21作動桿 23活動塊 232導引孔 31位移量檢測件 312第二結合部 4 動力組 5 焊接電極組 52 第二電極頭 11 立柱 112支撐桿 12 定位平台 2 線性電磁閥 22壓力感知器 231容置槽 3 光學尺 311第一結合部 32彈性元件 41 致動桿 51弟一電極頭 6 焊接工件 D:\0M Linda\PK PatNPKl023α doc06/l2/2G/05:43 PH —11 — 200827074 [Simplified Schematic] ^ 1 Fig. Front view of a combination of micro resistance spot welding devices of a preferred embodiment of the present invention. Shoot L2: This is a combination of the micro-resistance position of the singer, and the combination of the side view. Figure 3 · The combined side view of the micro-electric spot welding pre-action of the preferred embodiment of the present invention The welding device completes the spot welding \4 = 2 The simple resistance of the preferred embodiment is carried out [Main component symbol description] __ 1 Base Ifi Π 1 positioning frame H3 fixing frame 13 Work platform 21 Actuating rod 23 Moving block 232 Guide hole 31 displacement detecting member 312 second joint portion 4 power pack 5 welding electrode group 52 second electrode head 11 column 112 support rod 12 positioning platform 2 linear solenoid valve 22 pressure sensor 231 receiving groove 3 optical ruler 311 first joint 32 elastic element 41 actuating rod 51, one electrode tip 6 welding workpiece D:\0M Linda\PK PatNPKl023α doc
06/12/26/05:43 PH ~ 12 —06/12/26/05:43 PH ~ 12 —