M381512 五、新型說明： 【新型所屬之技術領域】 本創作係有關於拉吹成型機之技術領域，特別是有關 於一種能快速且準確地作動及調整位置的拉桿機構。 【先前技術】 按，一般的拉吹成型機大概設有輸入、加熱、成型、 輸出等若干個工作站，以及載送多數個瓶胚通過各工作站 Φ 之輸送裝置。 而在該成型工作站中，係將已被加熱至所需工作溫度 之瓶胚置入模具中，並對該瓶胚内部充填適量之壓縮空 氣，而對該瓶胚產生一橫向擴張之作用力，同時又以一拉 桿推抵該瓶胚底部，俾施予該瓶胚一縱向延伸之力，以使 該瓶胚形成為一透明度良好且具有相當容積之容器。 為了配合不同的模具來成型出不同的容器，前述之拉 桿必需可以調整其延伸的長度，因此，必須由一拉桿驅動 φ 置來帶動前述之拉桿進行伸長及回縮的行程動作。 一般而言，通常是以氣壓缸來驅動該拉桿作伸縮之動 _ 作。然而，氣壓缸本身之伸縮行程無法精確地作定位的控 制，因此必須配合一限位機構，以限制於其活塞桿伸出時 之極限位置。 請參閱第5圖，其係習知之拉桿驅動裝置的結構示意 圖。其係於一架體81向下垂設兩滑桿82，並於各滑桿82 底端結合一固定板83，且在該架體81與該固定板83之間 滑設一活動板84在該二平行之滑桿82上，在該固定板83 3 M381512 下方設置一氣壓缸85，該氣壓缸85向上延伸之活塞桿係 與該活動板84結合，且該活動板84上固設有數支拉桿86, 各該拉桿86係穿設於該架體81，而可由該氣壓缸85帶動 而向上伸入一對應之模具90中，而在該二滑桿82上分別 以一螺栓87鎖設一限位件88，俾以限制該活動板84向上 位移之極限位置。 如此一來，使用者便能依據需求調整該二限位件88的 位置，來限制該活動板82的位移程，進而控制各該拉桿 86伸入模具90中之長度。 然而，該二限位件88之位置必需經由人工方式校準調 整，其操作容易存在誤差，稍有不慎便可能造成拉桿碰撞 模具的問題。再者，調整限位件88時必須經常對各螺栓 87反覆進行釋放、調整、旋緊等步驟，在操作上並非十分 便利，這也會影響生產的效能。 為克服前述問題，便.有業者設計出能方便調整控制活 動板位置之結構。如我國專利公告第M255785號「拉吹機 之拉伸裝置」，其係包括一穿置於拉吹成型機之兩導引桿上 的吊座、四支固定於吊座並且往下延伸之導引柱、固定於 四導引柱底部之馬達固定板、安裝於馬達固定板其中一端 之伺服馬達、一被伺服馬達經時規皮帶所驅動之導螺桿、 一穿置於各導引柱以及導螺桿上之移動座、以及固定於移 動座上之拉吹桿頭。 如此一來，啟動伺服馬達即可以使導螺桿旋轉，而使 移動座連同拉吹桿頭朝向吊座位移，進而使拉吹桿頭頂撐 瓶胚，而由於使用數值控制之伺服馬達，故而容易控制拉 M381512 吹桿頭推出之速度及行程。 以伺服馬達驅動導螺桿的結構，雖然 、 整速度及行程之效果，但是以伺服馬達_ 形態存在著較大的減速比，其優點是便於浐^桦的結構 程，但相對地其驅動移動座的速度會較y、+地控制行 升生產的效能。 又巧將不利於提 目前的生產技術每分鐘可能生產高遠 言之，從置入瓶胚、合模、拉吹成型到開模次’= 間約只有3〜4秒鐘，因此對吹塑成機來說， 衣品的時 回行程可能必需在1〜2秒的時間内完成，矿、/亍伸出、縮 經由時規皮帶組帶動導螺桿來控制拉桿】=以伺服馬達 其拉桿伸出、縮回的速度恐難符合使用雨、’、，回的結構， 以改進之必要。 而’’因此有再加 【新型内容】 本創作之主要目的，在於解決上过、 能快速且準確的驅動拉桿上下作動，=問題而提供-種 之拉吹成型機之拉桿機構。 奋易調整拉桿行程 為達前述之目本創作之拉 一齒條與—飼服馬達 機由一基座， 隸吹成型機，而該滑動座係 ^座係供架設於 上設有數拉桿，該滑動座底面結合有=座，且該滑動座 有-伺服馬達用以驅動該齒條，2條，且該基座設 桿位移，使各拉椁伸入或退出該拉吹^動該滑動座及各拉 由於本創作仫人成型機。 j作係Μ飼服馬達直接 初邊齒條來帶動滑動M381512 V. New description: [New technical field] This creation is about the technical field of stretch blow molding machines, especially for a lever mechanism that can quickly and accurately move and adjust position. [Prior Art] According to the general drawing and blowing machine, there are a plurality of workstations such as input, heating, molding, and output, and a conveying device that carries a plurality of preforms through each workstation Φ. In the forming station, the preform that has been heated to the required working temperature is placed in the mold, and the inside of the preform is filled with a proper amount of compressed air to generate a lateral expansion force on the preform. At the same time, a pull rod is pushed against the bottom of the preform, and a force of longitudinal extension of the preform is applied to form the preform into a container having a good transparency and a considerable volume. In order to mold different containers in accordance with different molds, the aforementioned pull rod must be able to adjust the length of its extension. Therefore, it is necessary to drive the rod to drive the above-mentioned rod to extend and retract the stroke. In general, it is common to use a pneumatic cylinder to drive the rod for expansion and contraction. However, the telescopic stroke of the pneumatic cylinder itself cannot be accurately controlled for positioning, so it is necessary to cooperate with a limiting mechanism to limit the limit position when the piston rod is extended. Please refer to Fig. 5, which is a structural schematic view of a conventional lever driving device. A sliding plate 82 is disposed on a frame 81, and a fixing plate 83 is coupled to the bottom end of each sliding bar 82. A movable plate 84 is disposed between the frame 81 and the fixing plate 83. On the two parallel sliding rods 82, a pneumatic cylinder 85 is disposed below the fixing plate 83 3 M381512. The piston rod system extending upwardly of the pneumatic cylinder 85 is coupled with the movable plate 84, and the movable plate 84 is fixed with a plurality of rods. 86, each of the pull rods 86 is disposed on the frame body 81, and can be driven by the pneumatic cylinder 85 to extend upward into a corresponding mold 90, and a limit is locked on the two sliding rods 82 by a bolt 87. The bit member 88 is configured to limit the extreme position of the movable plate 84 to be displaced upward. In this way, the user can adjust the position of the two limiting members 88 according to the requirements to limit the displacement of the movable plate 82, thereby controlling the length of each of the pull rods 86 extending into the mold 90. However, the position of the second limiting member 88 must be manually adjusted and adjusted, and the operation is prone to errors. A slight accident may cause the tie rod to collide with the mold. Furthermore, when the limiter 88 is adjusted, the steps of releasing, adjusting, and tightening the bolts 87 must be repeated, which is not very convenient in operation, which also affects the production efficiency. In order to overcome the aforementioned problems, the manufacturer has devised a structure that can easily adjust the position of the control movable plate. For example, China Patent Publication No. M255785 "Stretching device for a blow molding machine" includes a hanger that is placed on two guiding rods of a stretch blow molding machine, four guides that are fixed to the hanger and extend downward. a lead screw, a motor fixing plate fixed at the bottom of the four guiding columns, a servo motor mounted at one end of the motor fixing plate, a lead screw driven by the servo motor through the timing belt, a pin placed on each guiding column and a guide a movable seat on the screw and a pull rod head fixed to the moving seat. In this way, starting the servo motor can rotate the lead screw, and the moving seat together with the pull rod head is displaced toward the hanging seat, so that the pull rod head supports the preform, and is easy to control due to the use of the numerically controlled servo motor. Pull M381512 The speed and stroke of the blow head. The structure of the lead screw driven by the servo motor, although the effect of the full speed and stroke, has a large reduction ratio in the form of the servo motor _, which has the advantage of facilitating the structural process of the birch, but relatively driving the movable seat The speed will control the performance of the production line compared with y and +. It is also unfavorable to mention that the current production technology may produce a high degree of production every minute, from placing the preform, clamping, stretch blow molding to opening the mold '= only about 3 to 4 seconds, so the blow molding is In terms of machine, the time-return travel of the clothing may have to be completed within 1~2 seconds. The mine, / 亍 extend, shrink through the timing belt set to drive the lead screw to control the tie rod] = the servo motor has its lever extended The speed of retraction is difficult to meet the need to use rain, ', and back structures to improve. And '' therefore has to add [new content] The main purpose of this creation is to solve the rod mechanism of the pull-blow molding machine provided by the above-mentioned, fast and accurate driving lever up and down, = problem. The easy-to-adjust adjustment of the stroke of the drawbar is to create a rack and a motor for the aforementioned purpose, and the motor of the feeding machine is provided by a base, which is a blow molding machine, and the sliding seat is provided with a plurality of tie rods. The bottom surface of the sliding seat is coupled with a seat, and the sliding seat has a servo motor for driving the two racks, and the base is provided with a rod displacement, so that each pull rod extends into or out of the pull blow. And each of the La is due to the creation of a personal molding machine. j for the Μ feeding machine motor directly the primary rack to drive the sliding
C M381512 座及拉桿位移，因此可以達到使拉桿快速伸縮之功效；再 者，該伺服馬達可由數值控制方式精確地控制轉動的圈數 、角度，因此可以達到精確控制各該拉桿伸縮行程之功效 0 較佳者，該基座頂端具有一上固定板，該上固定板係 供架設於該拉吹成型機，而該基座下段固設有一下固定 板，該下固定板與該上固定板之間於遠離該基座之一側設 有兩支撐桿’而構成' —框架式結構。 較佳者，該下固定板鄰靠該滑動座之一側設有兩擋 桿，俾供該滑動座靠抵，以作為該滑動座下移時之限制。 較佳者，各拉桿均朝該上固定板延伸並穿設於該上固 定板，且該上固定板對應各拉桿分別設有一封口件，使各 拉桿分別由各封口件穿出。 較佳者’該基座上間隔設有兩平行之滑執’而該滑動 座對應各滑軌分別設有一滑塊，俾藉由該二滑塊而沿該二 滑執位移，而可沿該二滑軌位移。 較佳者，該基座於該齒條相對於該伺服馬達之一側設 有兩滾輪，俾供該齒條靠抵，使該齒條可滑順地被該伺服 馬達驅動作直線位移。 本創作之上述及其他目的與優點，不難從下述所選用 實施例之詳細說明與附圖中，獲得深入了解。 當然，本創作在某些另件上，或另件之安排上容許有 所不同，但所選用之實施例，則於本說明書中，予以詳細 說明，並於附圖中展示其構造。 M381512 【實施方式】 例之=閱第1圖至第3圖，其係本鑛所選用較佳實施 一首先請參閱第i圖及第2圖，第i圖係本創作 别視圖’帛2 ®係本創作結構之觀圖，第3圖係本創作 之伺服馬達與齒條部份之結構示意圖。 本創作之拉桿機構1係設置於拉吹成型機之成型工作 站’其具有-基座10，該基座1〇的頂端具有一上固定板 11該上固疋板π係供架設於該拉吹成型機（圖令未示） 令對應於成型模具3下方的位置，而該基座下段固設有 :下固定板12，且該下固定板12與該上固定板u之間於 遠，該基座10之一側設有兩支撐桿13，使該基座10、上 固定板U、下岐板12以及兩支撑桿13構成—框架式結 構。 該基座10上間隔設有兩平行之滑軌14，於該二滑軌 2上架設有一滑動座15，該滑動座15對應各滑執14分別 设有一滑塊16，使該滑動座15可藉由該二滑塊16而沿該 二滑軌14之延伸方向位移。 该滑動座15上對應成型模具3中之模穴數量設有數支 拉桿17，各拉桿17均朝該上固定板η延伸並穿設於該上 固定板11，且該上固定板U對應各拉桿17於與該成型模 具3銜接處分別設有一封口件18，以供與成型模具3緊密 接觸。 ' ' /、’、山 另於s亥下固定板12鄰靠該滑動座15之一側設有兩擔 桿19 ’以作為該滑動座15下移時之限制。 7 = = 15底面結合有—齒條2G，該#條2G係穿設 兮去伙on ^ ，、°亥基座丨〇之間，且於該基座10上對應 1 1 ! 5Ί服馬達2卜該伺服馬達21具有一齒輪 飼服gi、條2〇所具有之齒2〇1喷合，而可藉由該 馬達21驅動該齒條20帶動該滑_ 15位移。 另雜座10於該齒條20相對於該伺服馬達21之一側 :伺：ΐϊ 供該齒條20靠抵，使該齒條20可滑順地被 5亥伺服馬達21驅動作直線位移。 月彡閱第4 u ’其係本創作之動作示意圖。由於本創 作係以伺服馬達21直接驅動鋪條20，因此可以快速地 驅動該齒條20位移來帶動該滑動座15沿各滑執14升降， 進而推動各該拉桿17伸入或退出該成型模具3。再者，伺 服焉達21可以藉由數值控制方式精確地控制轉動的圈數 、角度’因此本創作之結構亦可達騎翻餘該拉桿W 伸縮行程之功效。 於本實施例令，該滑軌14與滑塊16係為線性滑軌之 ^構形式’當_ 了前述實施例之外，該滑執與滑塊亦可 叹计成熟習此一技藝之人士所知悉的其它滑軌結構，戍採 用滑桿與滑套之形式。 以上所述實施例之揭示係用以說明本創作，並非用以 限制本創作，故舉凡數值之變更或等效元件之置換仍應隸 屬本創作之範疇。 〜+ 由以上詳細說明，可使熟知本項技藝者明瞭本創作的 確可達成述目的，實已符合專利法之規定，爰提出專利 申請。 M381512 圖式簡單說明】 第1圖係本創作結構之前視圖； 第2圖係本創作結構之側視圖，· 第3圖係本創作之伺服馬達與 弟4圖係本創作之動作構7^ 第5圖其係習知之把捏瓶壯取 拉杯_裝置的結構示意圖。 【主要元件符號說明】 拉桿機構1 上固定板11 支撐桿13 滑動座15 拉桿17 檔桿19 齒201 齒輪211 成型模具3 架體81 固定板83 氣壓缸85 螺栓87 模具90 基座10 下固定板12 滑軌14 滑塊16 封口件18 齒條20 伺服馬達21 滾輪22 滑桿82 活動板84 拉桿86 限位件88C M381512 seat and lever displacement, so it can achieve the effect of rapid expansion and contraction of the tie rod; in addition, the servo motor can accurately control the number of turns and angle of rotation by numerical control, so that the function of accurately adjusting the telescopic stroke of each rod can be achieved. Preferably, the top end of the base has an upper fixing plate for erecting on the stretch blow molding machine, and the lower portion of the base is fixed with a lower fixing plate, and the lower fixing plate and the upper fixing plate A support frame is provided on one side away from the base to form a frame structure. Preferably, the lower fixing plate is provided with two blocking levers on one side of the sliding seat, and the sliding seat is abutted to serve as a limitation when the sliding seat is moved downward. Preferably, each of the pull rods extends toward the upper fixing plate and is disposed on the upper fixing plate, and the upper fixing plate is respectively provided with a mouth piece corresponding to each of the pulling rods, so that the respective pulling rods are respectively passed out by the respective sealing members. Preferably, the base is provided with two parallel sliding handles on the base, and the sliding seat is respectively provided with a slider corresponding to each sliding rail, and the two sliding blocks are displaced along the two sliding blocks, and the Two slide rail displacement. Preferably, the base is provided with two rollers on one side of the rack relative to the servo motor, so that the rack is abutted, so that the rack can be smoothly linearly displaced by the servo motor. The above and other objects and advantages of the present invention will become more apparent from the detailed description and the accompanying drawings. Of course, the present invention may be different in some of the parts, or the arrangement of the parts, but the selected embodiments are described in detail in the present specification, and the construction thereof is shown in the drawings. M381512 [Embodiment] Example = Refer to Figure 1 to Figure 3, which is the preferred implementation of the mine. First, please refer to the i and 2 figures. The i diagram is the view of the creation '帛2 ® It is a view of the structure of the creation, and the third picture is a schematic diagram of the structure of the servo motor and the rack part of the creation. The drawing rod mechanism 1 of the present invention is provided in a forming station of a stretch blow molding machine having a base 10 having an upper fixing plate 11 at the top end of the base 1 , and the upper fixing plate π is provided for the pulling and blowing The molding machine (not shown) corresponds to a position below the molding die 3, and the lower portion of the base is fixed to: a lower fixing plate 12, and the lower fixing plate 12 is distant from the upper fixing plate u, One support side 13 is provided on one side of the base 10, so that the base 10, the upper fixing plate U, the lower jaw 12 and the two support bars 13 constitute a frame structure. Two sliding rails 14 are disposed on the base 10 , and a sliding seat 15 is disposed on the two sliding rails 2 . The sliding seat 15 is respectively provided with a slider 16 corresponding to each sliding bracket 14 , so that the sliding seat 15 can be The two sliders 16 are displaced along the extending direction of the two slide rails 14. The sliding seat 15 is provided with a plurality of rods 17 corresponding to the number of the cavities in the forming mold 3, and each of the rods 17 extends toward the upper fixing plate η and is disposed on the upper fixing plate 11, and the upper fixing plate U corresponds to each of the rods A mouthpiece 18 is respectively provided at the junction with the molding die 3 for close contact with the molding die 3. ' ', ', and the other side of the fixed plate 12 adjacent to the sliding seat 15 is provided with two struts 19 ′ as a restriction when the sliding seat 15 is moved downward. 7 = = 15 The bottom surface is combined with a rack 2G, which is worn between the on on , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The servo motor 21 has a gear feeding gi and a tooth 2 〇1 sprayed by the strip 2, and the rack 20 can be driven by the motor 21 to drive the slip -15 displacement. The other seat 10 is on the side of the rack 20 with respect to the one side of the servo motor 21: the rack 20 is abutted against the rack 20, so that the rack 20 can be smoothly linearly displaced by the servo motor 21. The monthly reading of the 4th u's is a schematic diagram of the action of the creation. Since the present invention directly drives the sled 20 by the servo motor 21, the displacement of the rack 20 can be quickly driven to drive the sliding seat 15 to move up and down along the slides 14, thereby pushing each of the pull rods 17 into or out of the forming mold. 3. Furthermore, the servo Trent 21 can precisely control the number of turns and the angle of rotation by numerical control. Therefore, the structure of the present invention can also achieve the effect of riding over the telescopic stroke of the wand. In the embodiment, the slide rail 14 and the slider 16 are in the form of a linear slide rail. In addition to the foregoing embodiments, the slippery slider and the slider can also be used by those skilled in the art. Other slide rail structures that are known are in the form of slide bars and sliding sleeves. The above description of the embodiments is intended to be illustrative of the present invention and is not intended to limit the scope of the present invention. ~+ From the above detailed description, it can be made clear to the skilled person that the creation of this creation can indeed achieve the stated purpose, and it has already complied with the provisions of the Patent Law and filed a patent application. M381512 Schematic description of the schema] The first diagram is the front view of the creation structure; the second diagram is the side view of the creation structure, · The third diagram is the servo motor and the brother of the creation of this creation. 5 Figure is a schematic diagram of the structure of the device. [Main component symbol description] Tie rod mechanism 1 Upper fixing plate 11 Support rod 13 Sliding seat 15 Tie rod 17 Shift lever 19 Tooth 201 Gear 211 Molding mold 3 Frame 81 Fixing plate 83 Pneumatic cylinder 85 Bolt 87 Mold 90 Base 10 Lower fixing plate 12 Slide rail 14 Slider 16 Sealing member 18 Rack 20 Servo motor 21 Roller 22 Slider 82 Movable plate 84 Lever 86 Limiting piece 88