1301431 j * t 九、發明說明： • 【發明所屬之技術領域】 本發明是有關於一種NC工具機’特別是指一種可防止 人體夾傷具有安全使用功能的NC工具機之自動門裝置。 【先前技術】 參閱圖1，一般的NC工具機1〇主要具有一機台u、 一滑設在機台11前方處的活動門板12、以及一設置在機台 11上方處的驅動元件13 ’該機台π内部凹設有一加工容室 • U1，該加工容室111内通常會設置有主軸頭、刀具座及尾 座…等構件（圖未示），該驅動元件13伸設有一與活動門板 12相接連動的心軸131，使用者可啟動該驅動元件13作動 心軸131縮入，該活動門板12會被帶動朝右側方向位移， 加工容室U1會打開外露以提供使用者可在内部進行上下料 動作，當工具機10開始要進行切削作業時，使用者可啟動 驅動元件13作動心軸13Γ伸出，該活動門板12被帶動朝 左側方向位移，活動門板12會對加工容室lu作成覆蓋關 閉狀，如此當工具機10進行高速切削過程中，該活動門板 12可有效保護使用者免於受到意外傷害。 上述活動門板12確實可對加工容室lu關閉以產生保 護作用，然而在使用上還是會有危險情況發生，該活動門板 12是利用驅動元件13帶動位移，當活動門板12要進行閉 ^使用者有時會因操作不慎而讓手部或衣物受到活動門 板12夾壓，由於該驅動元件13一般是採用氣液壓元件，推 動力量大且沒有遇阻力返回的設計，當活動門板12有夾壓1301431 j * t IX. Description of the Invention: • Technical Field of the Invention The present invention relates to an NC machine tool', particularly to an automatic door device for an NC machine tool that can prevent a human body from being pinched and has a safe use function. [Prior Art] Referring to Fig. 1, a general NC machine tool 1b mainly has a machine table u, a movable door panel 12 slidably disposed in front of the machine table 11, and a driving member 13' disposed above the machine table 11. The machining chamber π is internally provided with a machining chamber, U1, and the machining chamber 111 is usually provided with a spindle head, a tool holder and a tailstock, etc. (not shown), and the driving member 13 is extended with an activity. The door panel 12 is connected to the mandrel 131, and the user can activate the driving member 13 to retract the driving mandrel 131. The movable door panel 12 is driven to move in the right direction, and the processing chamber U1 is opened to provide a user. The loading and unloading action is performed internally. When the machine tool 10 starts to perform the cutting operation, the user can activate the driving element 13 to move the mandrel 13Γ, the movable door panel 12 is displaced to the left direction, and the movable door panel 12 is to be processed. The lu is made to cover the closed shape, so that when the machine tool 10 performs high-speed cutting, the movable door panel 12 can effectively protect the user from accidental injury. The movable door panel 12 can be closed to the processing chamber lu to protect it. However, there is still a dangerous situation in use. The movable door panel 12 is driven by the driving member 13 to be closed when the movable door panel 12 is to be closed. Sometimes the hand or clothing is pinched by the movable door panel 12 due to inadvertent operation. Since the driving member 13 is generally a gas-hydraulic component, the pushing force is large and there is no resistance return design, when the movable door panel 12 is pinched.
Cs) 5 1301431 人體狀況發生時，該驅動元件13仍然會對活動門板i2 一直 持續地輸出驅動力，往往會對使用者身體造成極大傷害，使 用上相當危險。 " 【發明内容】 因此，本發明之目的在提供一種具有安全使用功能的 NC工具機之自動門裝置。 於是，本發明提供一種NC工具機之自動門裝置，該工 具機包含有一機台，該機台内部凹空形成有一可供上下料 進行㈣作業的加工容室’冑台位於加卫容室前二位置處 橫向設置有一滑執，該自動門裝置包含有一門板單元、一 驅動單元及-連動單S，其中：該門板單元滑設在機台滑 執上可作橫向移動，使門板單元移至一第一位置可對加工 谷室作覆蓋關閉狀，移至一第二位置可令加工容室外露呈 打開狀；該驅動單元具有一設置在機台一侧處的第一固定 座、一固設在第一固定座上的馬達、一接設在馬達上可作 離合動作的聯軸器、以及一接設在聯軸器上的主動輪；該 連動單兀具有一設置在機台另一側處的第二固定座、一軸 設在第二固定座上的從動輪、一繞設在主動輪及從動輪之 間的搪性元#、以及-固接在門板單元上且與挽性元件作 固定聯結的連動件’門板單元受到阻力可藉由撓性元件傳 遞至主動輪’使聯軸器與馬達相離呈空轉狀態。 本發明之功效是讓門板單元受到阻力時，可利用撓性 ^件傳遞阻力使聯軸器與馬達呈相離空轉狀態，可令門板 單元停止移動藉此達到安全使用之效果。 6 1301431 【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較佳實施例的詳細說明中，將可、、青 楚的呈現。 參閱圖2，本發明NC工具機之自動門裝置在一較佳實 施例中，該工具機20主要具有一機台21，機台21在中間 處内部凹空形成有一加工容室211，加工容室211内部設置 有主軸頭、刀具座及尾座··等相關構件（圖未示），使用者可 在加工容室211内進行上下料動作，該機台21位於加工容 至211鈾方底下處橫向設置有一滑軌212，位於加工容室 211左側位置處設置有一滑設在滑執212上的活動門板22， 該活動門板22可供使用者手動拖曳移動，本發明主要發明 重點在於自動門裝置，該自動門裝置主要包含有一門板單 兀30、一驅動單元4〇及一連動單元5〇，接著，再將上述 各單元的組件形狀及組合空間型態詳述於后。 該門板單元30是滑設在加工容室211右側位置處的滑 執212上，剛好與活動門板22 一左一右相互對應，其具有 一第一門板31及一可在第一門板31内伸縮移動的第二門 板32，使整俯門板單元30向左位移至一第一位置j時，第 一、第二門板31、32以及活動門板22可對加工容室211作 覆盍關閉狀，向右位移至一第二位置Π時，可令加工容室 2Π外露呈打開狀。 芩閱圖3及圖4，該驅動單元40具有一設置在機台2 i 上方右側位置處的第一固定座41、一固設在第一固定座4ι 1301431 上的馬達42、一接設在馬達42上可作離合動作的聯軸器 43、一接設在聯軸器43上的主動輪料、以及一設置在第一 固定座41前方處的壓輪組45。該第一固定座“包含有一 底板411、一固設在底板411前方處的座本體412、以及一 軸设在座本體412中央處的主動軸413。該馬達42為一種 減速馬達，具有-馬達本體421、一設置在馬達本體421前 方處的減速機組422、以及一伸設在減速機組422前端處的 動力輸出軸423，該動力輸出軸423藉由減速機組422增加 扭力，具有強大足以帶動門板單& 3〇 #動的驅轉力。該聯 軸裔43具有一套設在馬達42動力輸出軸423上的活動輪 431、一接設在主動軸413上與活動輪431呈相對狀的固定 輪432、一具有預定彈復力可對活動輪431彈推作動的彈性 凡件433、以及一可對該彈性元件433調整彈復力大小的扭 力控制件434，該活動輪431與動力輸出軸似作鍵接聯結 使馬達42可帶動活動輪431作運轉，且活動輪431是滑 叹在動力輸出軸423上可沿軸向作移動，該彈性元件433 可對活動輪431彈抵而與固定輪432保持接觸連動，該扭 力控制件434可調整彈性元件433對活動輪431彈推力的 大小，使用者可視情況需要調整聯軸器43遭遇多大扭力就 停止運作。該主動輪44是軸設固定在主動軸々Η上，該馬 達42透過聯軸器43可帶動該主動輪私作運轉。該壓輪組 45包含有一設置在底板411前方處與座本體412相鄰的支 柱體451、以及二軸設在支柱體451上下兩處的滾壓輪452 ，該支柱體451藉由底部開設二長槽孔4511的方式螺固接 Ι3Ό1431 在第一固定座41上，使支柱體4511可沿左右方向作微幅調 ' 整移動，二滾壓輪452可對下述撓性元件53的上下兩侧邊 滾抵呈張緊狀態，使用者可藉由左右移動支柱體4511的位 置，藉以調整二滾壓輪452對撓性元件53張緊力的大小。 該連動單元50具有一設置在機台21(見於圖2)上方左 側位置處的第二固定座51、一軸設在第二固定座51上可自 動軸轉的彳文動輪52、一繞設在主動輪44及從動輪52 • 之間的撓性元件53、以及一固接在門板單元30上且與撓性 凡件53作固定聯結的連動件54。在本實施例中，該捷性元 件53採用-般鋼㈣構’連動件54 _端鉚接固定在挽性 二53上形成連動，主動輪44運轉帶動撓性元件53作迴 …可令連動件54帶動該門板單元3〇作左右位移。 组合本發明NC工具機之自動門裝置各構件形狀及 及_^!^的概述；接著，再說明本發明開關門動作以 、々斤月b達成之功效陳述如后·· 鼸 再參閱圖2及圖3，當使 -對機台21的加工容室211進行板…°移動 過聯轴器43帶h *仃關閉時，啟動該馬達42透 - :〜動主動輪44作運轉，主動輪 几件53作迴繞動 -拉引說性 元件幻及門板單元3〇連動件54兩端分別固接在繞性 可透過連動件此繞性元件53進行迴繞時， 元30即可自動移位對加工容早凡〇作仏向移動，該Η板單 ^ u 谷至211作成關閉狀。 時，如果I人，本發明門板單元30在進行關Η動作 果遇有人體或其他外物 订關門動作 門板早70 30移動軌跡内 1301431 :1板單元3。移動上的阻力(p)，該門板單元3。可適 二連動t動，其主要是利用門板單元30在受力狀態下， 透匕連動件54會傳遞阻力（p)力量至主動輪44上，舍 超過彈性元件433對活動輪431的彈推力入活動 :活動—I被逼Ϊ而無法再帶動固定輪奶，兩者隨即相離 ;:1呈空轉狀’如此該主動輪44便不會持續地對 門板早7G 30輸出動力強行驅動， 單元30夹傷。 動了有效㈣人體不被門板 综上所述，本發明NC工具機之自動門裝置主要是為了 ==具機H)闕門動作安全性的問題，本發明的技術 仏主要疋猎由主動輪44與從動輪52之間繞 件⑴藉由該撓性元件53可帶動該門板單元3〇進行 門的動作，業者可視Η板單元3G移動的範圍選擇適當長产 =祕元件53,因此本發明相當適合運用在大型機台結^ 。取重要的是，本發明在主動輪44與馬達42之間設置 -聯軸器43進行傳動’該聯軸器43可預先設定遇到多大 扭力即呈空轉狀態’如此當門板單元％在進行關門動作時 ，如果遇有觸碰到人體情形發生時，其產生的阻力⑺會令 主動輪44停止對門板單元％持續施壓驅動，如此可^ 人體受到門板單元3G所夾傷’使用上相當具有安全性。 !隹以上所述者’僅為本發明之一較佳實施例而已，當 不能以此限定本發明實施之範圍，即大凡依本發明申心 利範圍及發明說明内容所作之簡單的等效變化與修錦，月皆 仍屬本發明專利涵蓋之範圍内。 10 1301431 【圖式簡單說明】 、圖1是習知NC工具機的平面圖，說明其機台上設有一 ::門板，該活動門板受到一驅動元件帶動“動作 NC工具機之自動門裝置—較佳實施例的 明包含有一機台、一門板單元、一驅動Cs) 5 1301431 When the human condition occurs, the driving element 13 still continuously outputs the driving force to the movable door i2, which is often extremely harmful to the user's body and is quite dangerous to use. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide an automatic door device for an NC machine tool having a safe use function. Therefore, the present invention provides an automatic door device for an NC machine tool, the machine tool includes a machine table, and the inside of the machine table is formed with a processing chamber for loading and unloading (4) operations. A sliding door is disposed laterally at the second position, the automatic door device comprises a door panel unit, a driving unit and a linkage single S, wherein: the door panel unit is slidably disposed on the sliding table of the machine for lateral movement, and the door panel unit is moved to a first position can cover and close the processing valley chamber, and moving to a second position can open the processing chamber; the driving unit has a first fixing seat disposed at one side of the machine, and a fixing a motor on the first fixing seat, a coupling connected to the motor for the clutching action, and a driving wheel connected to the coupling; the linking unit has a setting on the other side of the machine a second fixing seat, a driven wheel with a shaft disposed on the second fixing seat, a sturdy element #1 disposed between the driving wheel and the driven wheel, and a fixed connection on the door panel unit and the aligning element Fixed coupling linkage 'door The plate unit is subjected to resistance that can be transmitted to the drive wheel by the flexible member to cause the coupling to be idling from the motor. The effect of the invention is that when the door panel unit is subjected to the resistance, the flexible member can transmit the resistance to make the coupling and the motor are separated from each other, and the door panel unit can be stopped to achieve the safe use effect. 6 1301431 [Embodiment] The foregoing and other technical contents, features and advantages of the present invention will be apparently described in the following detailed description of the preferred embodiments. Referring to FIG. 2, the automatic door device of the NC machine tool of the present invention has a machine table 21 in a preferred embodiment. The machine table 21 has a processing chamber 211 formed therein. The inside of the chamber 211 is provided with a spindle head, a tool holder, a tailstock, and the like (not shown). The user can perform a loading and unloading operation in the processing chamber 211. The machine 21 is located under the uranium of the processing 211. A sliding rail 212 is disposed laterally, and a movable door panel 22 is disposed on the sliding handle 212 at a position on the left side of the processing chamber 211. The movable door panel 22 is manually dragged and moved by a user. The main invention of the present invention focuses on the automatic door. The automatic door device mainly comprises a door panel 30, a driving unit 4〇 and a linkage unit 5〇, and then the component shape and the combined space pattern of each unit are detailed later. The door panel unit 30 is slidably disposed on the sliding handle 212 at the right side of the processing chamber 211, and corresponds to the left and right sides of the movable door panel 22, and has a first door panel 31 and a telescopic joint in the first door panel 31. When the second door panel 32 is moved to shift the tilting door unit 30 to the left to a first position j, the first and second door panels 31 and 32 and the movable door panel 22 can be closed and closed to the processing chamber 211. When the right displacement to a second position ,, the processing chamber 2 Π can be exposed to open. Referring to FIG. 3 and FIG. 4, the driving unit 40 has a first fixing base 41 disposed at a right side position above the machine base 2 i , a motor 42 fixed on the first fixing base 4 ι 1301431 , and a connection The motor 42 is provided with a coupling 43 for the clutching action, a driving roller that is connected to the coupling 43, and a pressing wheel set 45 disposed at the front of the first fixing base 41. The first fixing base includes a bottom plate 411, a seat body 412 fixed in front of the bottom plate 411, and a driving shaft 413 disposed at the center of the seat body 412. The motor 42 is a speed reducing motor having a motor body 421. a deceleration unit 422 disposed in front of the motor body 421 and a power output shaft 423 extending from the front end of the speed reduction unit 422. The power output shaft 423 is increased in torque by the speed reduction unit 422, and has a strong enough to drive the door panel & The driving force 43 has a movable wheel 431 disposed on the power output shaft 423 of the motor 42 and a fixed wheel 432 connected to the movable shaft 413 and opposed to the movable wheel 431. a flexible member 433 having a predetermined elastic force for actuating the movable wheel 431, and a torque control member 434 for adjusting the elastic force of the elastic member 433, the movable wheel 431 being similar to the power output shaft The keying coupling enables the motor 42 to drive the movable wheel 431 to operate, and the movable wheel 431 is slidably movable in the axial direction on the power output shaft 423, and the elastic member 433 can be biased against the movable wheel 431 and the fixed wheel 432. With the contact linkage, the torsion control member 434 can adjust the magnitude of the elastic force of the elastic member 433 to the movable wheel 431. The user needs to adjust how much torque the coupling 43 encounters when the coupling 43 is stopped. The driving wheel 44 is fixed to the shaft. On the shaft, the motor 42 can drive the driving wheel to operate privately through the coupling 43. The pressure wheel set 45 includes a pillar body 451 disposed adjacent to the seat body 412 in front of the bottom plate 411, and a two-axis arrangement. The roller body 452 is provided on the upper and lower sides of the pillar body 451. The pillar body 451 is screwed to the first fixing base 41 by means of a second long slot 4511 at the bottom, so that the pillar body 4511 can be microscopically oriented in the left and right direction. The amplitude of the whole movement, the two rolling wheels 452 can roll the upper and lower sides of the flexible element 53 to be tensioned, and the user can adjust the position of the column 4511 by moving the left and right wheels. 452. The magnitude of the tension of the flexible member 53. The linkage unit 50 has a second fixing seat 51 disposed at a position on the upper left side of the machine table 21 (see FIG. 2), and an axis is disposed on the second fixing base 51 to automatically Axis-turning 彳文动轮52, a winding a flexible member 53 disposed between the driving wheel 44 and the driven wheel 52, and a linking member 54 fixed to the door panel unit 30 and fixedly coupled to the flexible member 53. In this embodiment, the The splicing member 53 is driven by the splicing member 53 to be interlocked with the splicing member 53. The driving of the driving member 44 drives the flexible member 53 to return. The left and right displacements are combined with the shape of each component of the automatic door device of the NC machine tool of the present invention, and an overview of the components of the automatic door device of the present invention. Next, the description of the function of the door opening and closing operation of the present invention is as follows: Referring to FIG. 2 and FIG. 3, when the processing chamber 211 of the pairing machine 21 is moved over the coupling 43 with the h*仃 closing, the motor 42 is started to pass through: the movable driving wheel 44 is operated. The driving wheel has several pieces of 53 for the rewinding - the pulling element and the door unit 3 are connected to each other at the two ends of the linking member 54 respectively, and the winding member 53 is rewinded by the winding member 53 The displacement shifts to the processing capacity, and the slab is turned into a closed shape. At the time, if I am the person, the door panel unit 30 of the present invention is performing the closing action. If there is a human body or other foreign object, the door closing action is performed in the door 70 301 movement track 1301431 : 1 board unit 3. Resistance on movement (p), the door panel unit 3. It can be adapted to the second movement, which mainly uses the door panel unit 30 under the force state, and the coupling member 54 transmits the resistance (p) force to the driving wheel 44 to exceed the elastic force of the elastic member 433 against the movable wheel 431. Into the activity: Activity - I was forced to drive the fixed wheel milk, the two immediately separated;: 1 is idling - so the drive wheel 44 will not continue to drive the door 7G 30 output power forcibly, unit 30 pinch injuries. Effective (4) The human body is not covered by the door panel. The automatic door device of the NC machine tool of the present invention is mainly for the problem of the safety of the operation of the door. The technique of the present invention mainly focuses on the driving wheel. The winding member (1) between the 44 and the driven wheel 52 can drive the door panel unit 3 to perform the door operation, and the operator can select the appropriate length of the product to change the range of the movement of the seesaw unit 3G. Therefore, the present invention It is quite suitable for use in large machine junctions ^. It is important that the present invention provides a coupling 43 between the driving wheel 44 and the motor 42 for transmission. The coupling 43 can be preset to have a large torsion force, that is, an idling state, so that when the door panel unit % is closing During the action, if there is a situation in which the human body is touched, the resistance (7) generated will cause the driving wheel 44 to stop driving the door unit 100% continuously, so that the human body is pinched by the door panel unit 3G. safety. The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the description of the invention. Both Jin and Yue are still covered by the patent of the present invention. 10 1301431 [Simple description of the drawings] Figure 1 is a plan view of a conventional NC machine tool, which shows that there is a:: door panel on the machine table, which is driven by a driving component to drive the automatic door device of the action NC machine tool. The preferred embodiment includes a machine, a door unit, and a drive
圖3是上述較佳實施例的組合剖視圖，說明驅動單元 主要具有一馬達、一聯軸器及一主動輪； 圖4是上述較佳實施例的前視圖，說明連動單元具有 一從動輪、以及-繞設在主、從動輪之間的撓性元件； ^圖5是上述較佳實施例的動作圖，說明門板單元在進 行關門動作時遇有阻力（P)的情形；及 圖6是圖5狀態下的組合剖視圖，說明門板單元透過 撓性元件傳遞阻力（P)至主動輪上，可令聯軸㈣馬達呈相3 is a combined sectional view of the above preferred embodiment, illustrating that the drive unit mainly has a motor, a coupling, and a driving wheel; FIG. 4 is a front view of the preferred embodiment, illustrating that the linking unit has a driven wheel, and a flexible element wound between the main and driven wheels; FIG. 5 is an operation diagram of the above preferred embodiment, illustrating a case where the door panel unit encounters a resistance (P) when the door closing operation is performed; and FIG. 6 is a view The combined sectional view in the state of 5 shows that the door panel unit transmits the resistance (P) through the flexible member to the driving wheel, so that the coupling (four) motor can be phased.
圖2是本發明 平面圖，說明本發 單元及一連動單元 離空轉的狀態。 11 1301431Fig. 2 is a plan view showing the state in which the present unit and a linkage unit are idling. 11 1301431
【主要元件符號說明】 20· · · 工具機 43· · · 聯軸器 21 . · · 機台 431 · _ 活動輪 211 ·. 加工容室 432 · · 固定輪 212 · _ 滑執 433 · · 彈性元件 22· · 活動門板 434 · · 扭力控制件 30. ·. 門板單元 44 · · · 主動輪 31 · ·. •第一門板 45 · · · 壓輪組 32· · •第二門板 451 · · 支柱體 40 · · •驅動單元 4511 · 長槽孔 41 . · •第一固定座 452 · · 滾壓輪 411 · •底板 50· · · 連動單元 412 · •座本體 51 · · · 第二固定座 413 · •主動軸 52· · · 從動輪 42· · •馬達 53_ · · 撓性元件 421 · •馬達本體 54· · · 連動件 422 · •減速機組 I · · 第一位置 423 · •動力輸出轴 Π · · 第二位置 12[Description of main component symbols] 20· · · Machine tool 43 · · · Coupling 21 · · · Machine 431 · _ Movable wheel 211 ·. Processing chamber 432 · · Fixed wheel 212 · _ Slip 433 · · Resilience Element 22· · Movable door panel 434 · · Torque control unit 30. · Door panel unit 44 · · · Driving wheel 31 · ·. • First door panel 45 · · · Pressure roller set 32 · · • Second door panel 451 · · Pillar Body 40 · · • Drive unit 4511 · Long slot 41 . · • First mount 452 · · Roller wheel 411 · • Base plate 50 · · · Linkage unit 412 · • Seat body 51 · · · Second mount 413 • • Drive shaft 52 · · · Drive wheel 42 · · • Motor 53_ · · Flexible element 421 · • Motor body 54 · · · Linkage 422 · • Reducer unit I · · First position 423 · • Power take-off shaft Π · · Second position 12