TW466140B - Inspection and classficatin machine for plastic capacitors - Google Patents
Inspection and classficatin machine for plastic capacitors Download PDFInfo
- Publication number
- TW466140B TW466140B TW88105083A TW88105083A TW466140B TW 466140 B TW466140 B TW 466140B TW 88105083 A TW88105083 A TW 88105083A TW 88105083 A TW88105083 A TW 88105083A TW 466140 B TW466140 B TW 466140B
- Authority
- TW
- Taiwan
- Prior art keywords
- test
- capacitor
- inspection
- fixture
- disk
- Prior art date
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
Description
4 6 6] 40 五、發明說明(υ 本發明係與一種塑膠膜電容器之成品檢驗分選機有關 ,更詳而言之,特別係指一種藉由密集之分站測試與檢驗 ,俾正確檢選符合預期品質之電容器以供使用之新穎發明 者。 按,任一電子產品中,其任一電子零件之品質良莠, 攸關該產品於日後之品質及功能是否得以碟保,進而維持 一定程度以上之優良率,而本發明便是針對塑膠膜電容器 其耐壓、容量、損耗、絕緣阻抗及實際使用時之穩定性等 潛在品質方面,而所研發成功之一檢驗分選機,俾提供業 界在應用該電容器於電子產品之前,可做一最佳之事前檢 驗與測試,進而做為取捨之依據,並確保產品品質者。 而為使進一步深入瞭解本發明之結構特徵,茲配合圖 式詳述如下: 圖。 意圖 示意 面示 平面 。。之平 圖圖構之 體意機台 立矛動料 合面傳送 組平達動 之之馬自 明明明明 發發發發 本本本本 #係係係 明圖圖圖圖 說一二三四 單第第第第 簡 之 式 圖' 圖號之簡單說明: iO:氣壓泵 11:氣壓缸 20:自動送料台 30:檢驗主機 2 1、2 2 :自動送料盤 3 1 :直線送料器 4 0 :中央處理器 5 0、5 1 、5 2、5 3 :測量儀表 8 0 :充放電電源供應器4 6 6] 40 V. Description of the invention (υ This invention is related to a finished product inspection and sorting machine for plastic film capacitors, and more specifically, it refers to a kind of accurate inspection through intensive substation testing and inspection. Select a novel inventor of a capacitor that meets the expected quality for use. According to any electronic product, the quality of any of its electronic parts is good or bad, it is related to whether the quality and function of the product will be guaranteed in the future, and to maintain a certain level. The above rate is excellent, and the present invention is aimed at the potential quality of plastic film capacitors such as voltage resistance, capacity, loss, insulation resistance, and stability in actual use. Before the capacitor is applied to electronic products, the industry can do the best prior inspection and testing, and then use it as a basis for selection and ensure product quality. In order to further understand the structural features of the present invention, the drawings are hereby provided. The details are as follows: Figure. Intended to show the plane .. The plan of the plan. The structure of the machine. Famingfafafafafafafabenben ## is a schematic diagram of the first diagram of the first two three or four single form of the first number of the simple diagram of the drawing number: iO: pneumatic pump 11: pneumatic cylinder 20: automatic feeding table 30: Inspection host 2 1, 2 2: Automatic feed tray 3 1: Linear feeder 4 0: Central processing unit 50, 5 1, 5, 2, 5 3: Measuring instrument 80: Charge and discharge power supply
五、發明說明(2) 6 0 :馬達傳動機構 3 0 0 :四爪進料盤 3 1 0 :主測試盤 3 2 0 :夾具盤 3 3 0 :整腳機構 3 4 0 :預測機構 7 0 :電容器 3 5 0 :絕緣阻抗測試點 3 6 0 :高低頻容量損耗測試機構 2丨1、2 2 1 :送料槽道 3 0 1、3 0 2、3 0 3、3 0 4 :進料爪 7 1 :接腳 3 2 1 :夾具 3 2 2、3 5 1 、3 6 1 :收集箱 3 2 :心軸 6 2 :凸輪 2 4 :移位轉盤 3 1 1 :電緣接點 2 3 :移位螺桿機構 Cl ' C2 ' C3 'C4 、C5 、C6 、C7:特定收集箱 首先,請參閱第一、二圖所示,本發明主要係由一氣 壓泵10、一自動送料台20、一檢驗主機30、一中央處理器 4 0、數測量儀表5 0、5 1 、5 2、5 3、一充玫電電源供應器8 0 及一馬達傳動機構6 0所組成,其中,氣壓泵1 0可配合數氣 壓缸1 1做為檢驗主機3 0若干落料站之強迫落料用途;自動 送料台2 0上則具有一個以上之電磁振動式自動送料盤2 1、 2 2,俾將欲測試之電容器7 0依序送入檢驗主機3 0之直線送 料器3 1處;另,檢驗主機3 0則係包括有四爪進料盤3 0 0 、 一主測試盤3 1 0、一爽具盤3 2 0、一整腳機構3 3 0 及一預測 機構3 4 0、一絕緣阻抗測試點3 5 0及一高低頻容量損耗測試 機構3 6 0 所組成,且該等構件之運動均係由設於檢驗主機 3 0後方之馬達傳動機構6 0所驅動;是,當電容器7 0經由直 線送料器3 1依序進入四爪進料盤3 0 0 及夾具盤'3 2 0 後,將 受到一連串預先設定之各項功能檢測及不良品排除程序, 進而完成自動分級、歸類及統計等檢驗分選作業。V. Description of the invention (2) 6 0: Motor drive mechanism 3 0 0: Four-jaw feed tray 3 1 0: Main test plate 3 2 0: Fixture plate 3 3 0: Full leg mechanism 3 4 0: Prediction mechanism 7 0 : Capacitor 3 5 0: Insulation resistance test point 3 6 0: High and low frequency capacity loss test mechanism 2 丨 1, 2 2 1: Feeding channel 3 0 1, 3 0 2, 3 0 3, 3 0 4: Feeding claw 7 1: Pin 3 2 1: Clamp 3 2 2, 3 5 1, 3 6 1: Collecting box 3 2: Mandrel 6 2: Cam 2 4: Shifting dial 3 1 1: Electrical contact 2 3: Displacement screw mechanism Cl'C2'C3'C4, C5, C6, C7: specific collection box First, please refer to the first and second figures, the present invention is mainly composed of a pneumatic pump 10, an automatic feeding table 20, a The inspection host 30, a central processing unit 40, a digital measuring instrument 50, 51, 5, 2, 5, 3, a charging power supply 80 and a motor transmission mechanism 60, of which, the air pump 1 0 Can be used with several pneumatic cylinders 1 1 as the inspection host 3 0 Forced blanking of several blanking stations; automatic feeding table 2 0 has more than one electromagnetic vibration type automatic feeding tray 2 1 and 2 2 The tested capacitors 70 are sent to inspection in order 1 of the linear feeder 3 of the host 30; In addition, the inspection of the host 30 includes a four-jaw feed tray 3 0 0, a main test tray 3 1 0, a cooler tray 3 2 0, and a full-foot mechanism 3 3 0 and a prediction mechanism 3 40, an insulation resistance test point 3 50, and a high and low frequency capacity loss test mechanism 3 6 0, and the movement of these components are all located behind the inspection host 3 0 Driven by the motor transmission mechanism 60; yes, when the capacitor 70 enters the four-jaw feed tray 3 0 0 and the clamp plate '3 2 0 in sequence through the linear feeder 31, it will be subject to a series of preset functions. And defective products elimination procedures, and then complete automatic classification, classification and statistics inspection and sorting operations.
第S頁 4 66彳 4 ΟPage S 4 66 彳 4 Ο
再請配合參閱第三圖所示,該四爪進料盤“ο受S' 傳動機構6 0之牽動’故可位於原位進行九十度之間斷^ ^ 轉動作’當任一進料爪3 0 1位於直線送料器3 1位置時,旋 進行自動夾料(即夹取一電容器7 〇 )之動作;當任一進f 爪3 0 2位於整腳機構3 3 0位置時,將由該整腳機"構“ο針f 電容器7 0之兩接腳71處進行導正動作,俾令該兩接腳7丨不 致彎曲或外張,使之稍後能順利進入夾具盤3 2 〇之夾具3 2 j 中;當任一進料爪3 0 3位於預測機構3 4 0位置時,將針對電 容器7 0之容直及損耗做預先之檢測作業,並配合相對之測 量儀表5 0將測試結果加以顯示,倘有測得不良者,將會於 主測武盤3 1 0之不良品落料站處被強迫落料,並進入不良 品收集箱3 2 2集_處理;當任一進料爪3 〇 4位於夾具盤3 2 0 之一側時’則將由夾具盤3 2 0之夾具3 2 1加以夾取完成進料 程序者。 其夾具盤320受馬達傳動機構6〇之牵動,故可位於原 位進行較小行程之間斷式旋轉動作,其周緣具有無數之夾 具321,俾穩固夾持電容器70之兩接腳71者。 其主測試盤3 1 0與夾具盤3 2 0位於同一心軸3 2上,且其 直徑小於夾具盤3 2 0 ,其後端面受馬達傳動機構6 0之凸輪 6 2頂推作用’而可位於原位做前、後之伸縮運動行程’另 ’其周緣相對於夾具盤320夾具321之位置上,設有無數呈 對應之電緣接點3 1 1以連通測試用電路,因此,當主測試 盤310向前位移而與夾具盤320接觸後,該各電源接點311 便與九具盤320 .之對應電路(未示於圖)連通而各自形成Please also refer to the third figure, the four-jaw feeding tray "ο is driven by S 'transmission mechanism 60 0', so it can be located in the original position to perform a ninety-degree break ^ ^ turning action 'when any of the feed jaws When 3 0 1 is at the position of 3 1 of the linear feeder, it will automatically perform the clamping operation (ie, a capacitor 7 〇); when any of the feed claws 3 0 2 are at the position of the whole foot 3 3 0, The whole foot machine is configured to guide the pins 71 of the two pins 71 of the capacitor 70 to prevent the two pins 7 from being bent or flared, so that they can enter the fixture plate 3 2 later. In the fixture 3 2 j; when any of the feeding claws 3 0 3 is located at the position 3 4 0 of the predicting mechanism, a pre-test operation will be performed for the capacity and loss of the capacitor 70, and cooperate with the corresponding measuring instrument 5 0 The test results show that if there is a bad measurement, it will be forced to blank at the defective product blanking station of the main test Wupan 3 10, and enter the defective product collection box 3 2 2_ processing; when any When the feeding claw 3 04 is located on one side of the clamp plate 3 2 0, the clamp 3 2 1 of the clamp plate 3 2 0 will be clamped to complete the feeding procedure. The clamp plate 320 is driven by the motor transmission mechanism 60, so it can be positioned in the position to perform intermittent rotary motion with small strokes. It has countless clamps 321 on its periphery, and can hold the two pins 71 of the capacitor 70 firmly. The main test plate 3 1 0 and the fixture plate 3 2 0 are located on the same mandrel 32, and the diameter is smaller than that of the fixture plate 3 2 0, and the rear end surface is pushed by the cam 6 2 of the motor transmission mechanism 60. The telescoping stroke before and after the original position is 'other', and its peripheral edge is relative to the position of the clamp plate 320 and the clamp 321, and there are numerous corresponding electrical edge contacts 3 1 1 to connect the test circuit, so when the main After the test disc 310 is moved forward to contact the fixture disc 320, the power contacts 311 communicate with the corresponding circuits (not shown) of the nine-piece disc 320 and are formed separately.
第7頁 4 6 6 1 4 Ο 五、發明說明(4) 一獨立測試站,復因該每一測試站之作用均已被事先設定 ,是,當夾具盤3 2 0之夾具3 2 1到達某一測試站後,位於夾 具3 2 1 上之電容器7 0便被施以預期之測試或強迫落料等作 業(包括預測不良品落料站、絕緣阻抗不良品落料站及測 試完成後之無數分級落料站),待測試完成後,主測試盤 3 1 0將内縮並與夾具盤3 2 0分離而暫時切斷測試用電路,同 時,夾具盤3 2 0 將隨之旋動一預定行程,並重覆前述主測 試盤3 1 0 伸出之檢測步驟者。 前述之預測不良品落料站、絕緣阻抗不良品落料站及 測試完成後之無數分級落料站,皆各自搭配有一氣壓缸1 1 ,俾·藉以開啟夾具3 2 1使電容器7 0自行掉落而進入相對之 收集箱322、351、361、C1、C2、C3、C4、C5、C6、C7 中 ,惟由於該大多數氣壓缸1 1係位於夾具盤3 2 0 後方,故在 圖式中誠難以全數地清楚繪出,否則將影響圖式之可辨視 程度,故僅繪製 < 氣壓缸Η代表之,還請諒察。 前述_ k測試盤3 1 0 每一測試站之測試標的或目的皆係 由中央處理器4 0所預先設定,然此程式設定方面之控制方 式非屬專利申請範疇,故將不予贅述,析請諒察。 其充放電電源供應器8 0之作用乃係在若干測試站申, 對受测電容器7 0進行反覆充放電之步驟,藉以模擬電容器 7 0之實際使用狀態,完成電容器7 0之老化測試步驟,倘有 測得不良者,將會於主測試盤3 1 0 之落料站處被強迫落料 ,並進入一特定收集箱C6集中處理者。 其絕緣阻抗測試點3 5 0 配合有測量儀表5 1,俾對每一Page 7 4 6 6 1 4 〇 V. Description of the invention (4) An independent test station, because the function of each test station has been set in advance, when the fixture 3 2 1 of the fixture plate 3 2 0 arrives After a certain test station, the capacitor 70 located on the fixture 3 2 1 is subjected to the expected test or forced blanking (including the prediction of the defective blanking station, the insulation resistance defective blanking station, and Countless graded blanking stations), after the test is completed, the main test disc 3 1 0 will be retracted and separated from the clamp disc 3 2 0 to temporarily cut off the test circuit. At the same time, the clamp disc 3 2 0 will rotate along with it. A person who has scheduled a trip and repeats the aforementioned detection step of the main test disc 3 1 0 being extended. The aforementioned predicted defective product blanking station, insulation resistance defective product blanking station, and countless graded blanking stations after testing are all equipped with a pneumatic cylinder 1 1, 俾 · By opening the clamp 3 2 1 to make the capacitor 70 drop by itself Fall into the opposite collection boxes 322, 351, 361, C1, C2, C3, C4, C5, C6, C7, but since most of the pneumatic cylinders 1 1 are located behind the clamp plate 3 2 0, so in the diagram It is difficult for Zhongcheng to draw all of them clearly, otherwise it will affect the legibility of the drawing, so only the < pneumatic cylinder Η is represented, please forgive me. The aforementioned _ k test disc 3 1 0 The test target or purpose of each test station is set in advance by the central processing unit 40. However, the control method of this program setting is not in the scope of patent application, so it will not be described in detail. Please forgive me. The role of its charge and discharge power supply 80 is to apply the repeated charging and discharging steps to the tested capacitor 70 at a number of test stations to simulate the actual use of the capacitor 70 and complete the aging test step of the capacitor 70. If there is a bad measurement, it will be forced to be blanked at the blanking station of the main test plate 3 10, and will enter a specific collection box C6 for centralized processing. Its insulation resistance test point 3 5 0 is equipped with a measuring instrument 5 1
4 6 6彳40 五、發明說明(5) 電容器70遂行該項測試,並將測試結果及統計值加以顯示 ,而當某一電容器7 0被測出之絕緣阻抗值不符合預定之設 定值時,將在絕緣阻抗不良品落料站被強迫落料,並進入 不良品收集箱3 5 1集中處理。 其高低頻容量損耗測試機構3 6 0 配合測量儀表5 2、5 3 而被固定於主測試盤3 1 0 之高頻損耗測試站處,俾對每一 電容器7 0遂行該項測試,並將測試結果及統計值加以顯示 ,而當某一電容器7 0被測出高頻損耗率高於設定值時,亦 將被強迫落料於分級落料站之一特定收集箱3 6 1中者。4 6 6 彳 40 5. Description of the invention (5) The capacitor 70 performs the test and displays the test results and statistical values. When the insulation resistance value measured for a certain capacitor 70 does not meet the predetermined set value , Will be forced to blank at the blanking station with defective insulation resistance, and enter the defective product collection box 3 5 1 for centralized processing. The high and low frequency capacity loss test mechanism 3 6 0 is fixed at the high frequency loss test station of the main test panel 3 1 0 in cooperation with the measuring instruments 5 2 and 5 3, and then performs the test on each capacitor 70. The test results and statistical values are displayed, and when the high frequency loss rate of a certain capacitor 70 is higher than the set value, it will also be forced to blank in one of the special collection boxes 3 61 of the graded blanking station.
最後,當一電容器7 0完成各項檢測後,將藉由中央處 理器4 [)依判讀測試結果,並於分級落料站分別被強迫落料 至對應之一特定收集箱Cl、C2、C3、C4、C5、C6、C7中並 直接完成分類作業者。 前述各特定收集箱Cl、C2、C3、C4、C5、C6、C7之排 列順序及位置,係供做分級與區隔檢測後電容器7 0之用, 故其隨時可隨使用習慣或方便性之考量而設定其分別所收 集之檢測後電容器7 0等級者。 又,當某一電容器70在測試過裎中因電力中斷或其它 因素而有漏失某一檢測項目時,該電容器70將在分級落料 站處,被強迫落料於重測收集箱C 7中,俾供再次重測。Finally, after a capacitor 70 has completed various tests, it will read the test results by the central processing unit 4 [), and will be forced to blank to the corresponding one of the specific collection boxes Cl, C2, and C3 at the grade blanking station. , C4, C5, C6, C7 and directly complete the classification operator. The arrangement order and position of each of the aforementioned specific collection boxes Cl, C2, C3, C4, C5, C6, and C7 are for the capacitor 70, which is used for grading and segmentation detection, so it can be used at any time with convenience or convenience. Taking into account the level of the 70 capacitors collected after detection, respectively. In addition, when a capacitor 70 misses a detection item due to power interruption or other factors during the test, the capacitor 70 will be forced to be blanked in the re-test collection box C 7 at the graded blanking station. , For retesting again.
前述由夾具盤3 2 0及主測試盤3 1 0所構成之無數測試站 ,其測試項目除有預先測試、絕緣阻抗測試、高低頻容量 損耗測試及老化測試外,更可包含有交流耐壓測試、電介 質強度測試或其它特殊用途之專業级檢測項目者。The countless test stations composed of the fixture disc 3 2 0 and the main test disc 3 10 mentioned above may include AC withstand voltage in addition to pre-test, insulation resistance test, high and low frequency capacity loss test, and aging test. Professional test items for testing, dielectric strength testing or other special purposes.
第9頁 4 6 61 4 0 五、發明說明(6) 再如第四圖所示者,自動送料台20下方具有一移位螺 桿機構2 3,故使用者可藉旋動移位轉盤2 4將之驅動,令送 料台2 0可被左、右橫移,俾使任一電磁振動式自動送料盤 2 1、2 2之送料槽道2 Π、2 2 1對準檢驗主機3 0之直線送料器 31 ,達成自動送料之目的,同時,該電磁振動式自動送料 盤2 1 、2 2中,可分別置入不同規格、尺寸之電容器7 0以符 合實用需求;另,由於電磁振動式自動送料盤2 1 、2 2係為 習用之自動送料機構,誠非本發明之特徵所在,故亦不予 贅述。 綜觀以上所言,本發明確係一利用自然法則及投術思 想之高度創作,更確實可達成預期之發明目的,誠已完全 符合發明專利要件,更值得 鈞局之鼓勵與肯定,爰依法 提出專利申請。Page 9 4 6 61 4 0 5. Description of the invention (6) As shown in the fourth figure, there is a shift screw mechanism 2 3 under the automatic feeding table 20, so the user can rotate the shift dial 2 4 Drive it so that the feeding table 20 can be moved left and right, so that any of the electromagnetic vibration automatic feeding trays 2 1, 2 2 and the feeding channel 2 Π, 2 2 1 are aligned with the straight line of the inspection host 3 0 The feeder 31 achieves the purpose of automatic feeding. At the same time, the electromagnetic vibration type automatic feeding trays 2 1 and 22 can be respectively equipped with capacitors 70 of different specifications and sizes to meet the practical needs. In addition, due to the electromagnetic vibration automatic The feeding trays 2 1 and 2 2 are conventional automatic feeding mechanisms, which are not the features of the present invention, so they will not be described in detail. In summary, the present invention is indeed a highly creative use of the laws of nature and technical thinking, and it can indeed achieve the intended purpose of the invention. It has fully met the requirements of the invention patent, and is worthy of the encouragement and affirmation of the Bureau. patent application.
第10頁Page 10
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88105083A TW466140B (en) | 1999-03-31 | 1999-03-31 | Inspection and classficatin machine for plastic capacitors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW88105083A TW466140B (en) | 1999-03-31 | 1999-03-31 | Inspection and classficatin machine for plastic capacitors |
Publications (1)
Publication Number | Publication Date |
---|---|
TW466140B true TW466140B (en) | 2001-12-01 |
Family
ID=21640137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW88105083A TW466140B (en) | 1999-03-31 | 1999-03-31 | Inspection and classficatin machine for plastic capacitors |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW466140B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104215890A (en) * | 2014-09-28 | 2014-12-17 | 江苏正通电子有限公司 | Automobile filter capacitor automatically testing machine |
CN105618390A (en) * | 2015-06-26 | 2016-06-01 | 宁波职业技术学院 | Small-sized hardware part image sorting machine |
CN113399310A (en) * | 2021-06-11 | 2021-09-17 | 江苏法拉电子有限公司 | A all-round automatic outward appearance detection device for condenser |
-
1999
- 1999-03-31 TW TW88105083A patent/TW466140B/en active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104215890A (en) * | 2014-09-28 | 2014-12-17 | 江苏正通电子有限公司 | Automobile filter capacitor automatically testing machine |
CN104215890B (en) * | 2014-09-28 | 2017-03-08 | 江苏正通电子股份有限公司 | A kind of automobile filter capacitor automatic test machine |
CN105618390A (en) * | 2015-06-26 | 2016-06-01 | 宁波职业技术学院 | Small-sized hardware part image sorting machine |
CN105618390B (en) * | 2015-06-26 | 2017-11-24 | 宁波职业技术学院 | Small-sized hardware image sorting machine |
CN113399310A (en) * | 2021-06-11 | 2021-09-17 | 江苏法拉电子有限公司 | A all-round automatic outward appearance detection device for condenser |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6163000A (en) | Inspecting sorting machine for finished products of plastic film capacitor | |
CN203745589U (en) | Multifunctional socket testing machine | |
CN211463974U (en) | Automatic testing machine for transformer | |
CN107185845A (en) | Full automatic commutator detection means and its detection method | |
CN104267335A (en) | Multifunctional test machine for switch | |
CN208513104U (en) | A kind of automatic testing, sorting machine of inductance component | |
TW466140B (en) | Inspection and classficatin machine for plastic capacitors | |
CN204148159U (en) | A kind of locating and detecting device | |
CN109047017A (en) | A kind of automatic battery checker for axial workpiece | |
CN105414044A (en) | Fully-automatic high-speed capacitor sorting machine | |
CN205289006U (en) | Chamfer detector | |
CN207894963U (en) | Tooling for circuit board detecting | |
CN107462857B (en) | Semi-automatic test fixture of instrument | |
CN212160007U (en) | Automatic chip testing device | |
CN204116552U (en) | Switch multifunctional testing machine | |
CN208033058U (en) | Automatic testing, sorting device | |
CN204523597U (en) | Bolt electric capacity automatic sorting device | |
CN207204636U (en) | Full automatic commutator detection means | |
CN113042401A (en) | Transformer test equipment | |
CN207096358U (en) | A kind of power capacitor automatic detection device | |
CN110333053A (en) | Clutch master cylinder assembly multinomial performance integral test system | |
CN205537731U (en) | Capacitor film check out test set | |
CN211043438U (en) | Test fixture for integrated circuit board test separator | |
CN209393595U (en) | A kind of battery list survey experiment sorting machine | |
CN210141838U (en) | Automobile seat side plate flatness detection tool capable of synchronously detecting multiple surfaces |