TW470696B - Process for producing molded article - Google Patents

Process for producing molded article Download PDF

Info

Publication number
TW470696B
TW470696B TW87107364A TW87107364A TW470696B TW 470696 B TW470696 B TW 470696B TW 87107364 A TW87107364 A TW 87107364A TW 87107364 A TW87107364 A TW 87107364A TW 470696 B TW470696 B TW 470696B
Authority
TW
Taiwan
Prior art keywords
molded product
split
mold
molding
blow pin
Prior art date
Application number
TW87107364A
Other languages
Chinese (zh)
Inventor
Hidenori Kimura
Taijun Yoshida
Original Assignee
Kao Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Application granted granted Critical
Publication of TW470696B publication Critical patent/TW470696B/en

Links

Landscapes

  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

A process for producing molded article is included in this invention, which is divided formed molds 3, 4 individually holding produced articles 9 inside. After cooling, when they are taken away from formed molds 3, 4, they will connect with the extruded burr 7, coming from the process of produced article 9 taken away from divided formed molds 3, 4. Using the chucks 6 of picking device for produced article to hold divided formed molds 3, 4, till they are opened.

Description

470696 A7 B7 五 、發明説明(1 經濟部中央標準局負工消費合作社印製 [發明之領域] 本發明係有關一種合成樹脂製成形品之製造方法,尤指 種可大幅縮短自模具(分割成形模)取出冷卻後成形孓爲 止之時間,可實現成形週期之縮短化的成形品之製造方法0 [相關技藝之説明] 例如,以吹製成形法製造中空成形品時,係以以下之過 表製造。首先<,將形成有模腔之分割成形模移到至連續押 出型坯所設之位置,再將該分割成形模關閉,夹持該型 坯。而後’在將該型坯切斷後,令該分割成形模以不:二 連續押出而來之型坯的方式退避(後退)。而後,將吹氣銷 自分割成型模之上方打入吹氣後,於冷卻之後,開啓該分 割成形模,以成形品取出裝置之夹頭將成形品取出。 “於上述製造過程中,爲了將冷卻後之成形品自分割成形 模取出,例如在將冷卻後分割成形模開啓之後,爲了成形 久一成形品而在分割成形模移動至型坯押出之位置將該分 割成形模關閉時,係在將懸垂於吹氣銷之成形品暫時 於閉模裝置之壓板或分割成形模上所設之成形品保持具之 後,再將該吹氣銷拔除,而以上述成形品取出裝置之夾頭 將保持於上述成形品保持具之成形品取出。 ' 然而,根據上述方法,自保持於成形品保持具之成形品 拔除吹氣銷之動作未終了,則無法將分割成形模後退(移 動),以致無法在隨後以上述成形品取出裝置的夾頭取出 成形品。易言之,利用上述方法將分割形成模後退時,470696 A7 B7 V. Description of the invention (1 Printed by the Central Bureau of Standards of the Ministry of Economic Affairs and Consumer Cooperatives [Field of Invention] The present invention relates to a method for manufacturing synthetic resin shaped articles, especially a method that can greatly shorten the self-molding (dividing and forming) (Mold) The time taken to take out the molding after cooling to shorten the molding cycle. 0 [Explanation of the relevant technology] For example, when manufacturing hollow molded products by blow molding, the following table is used. Manufacturing. First, move the split forming mold with the cavity to the position where the parison is continuously extruded, and then close the split forming mold to hold the parison. Then, after cutting the parison, , So that the split forming mold is retreated (backed up) in a way that the parison is continuously extruded. Then, the blow pin is blown into the air from above the split forming mold, and after the cooling, the split molding is turned on. The mold is used to remove the molded product with the chuck of the molded product take-out device. "In the above manufacturing process, in order to take out the cooled molded product from the split molding mold, for example, after cooling, it is split. After the mold is opened, the divided mold is moved to the position where the parison is extruded in order to form a long molded product. When the divided mold is closed, the molded product suspended from the blow pin is temporarily placed on a pressure plate of a mold closing device or After the molded product holder provided on the molding die is divided, the blow pin is pulled out, and the chuck held by the molded product taking-out device will take out the molded product held by the molded product holder. ′ However, according to the method described above, If the operation of removing the blow pin from the molded product held on the molded product holder is not completed, the divided molding die cannot be moved back (moved), so that the molded product cannot be taken out by the chuck of the molded product take-out device later. In other words, when using the above method to retreat the segment forming mold,

請 閱 之 注 意 事 項 f Μ 訂 470696 經濟部中央標準局員工消費合作社印製 A7 ________B7__ 五、發明説明(2 ) - 吹氣銷從成形品拔除爲止必須等待,因此會造成無謂之等 待時間,無法謀求成形週期之縮短。 疋以,在習用技術中,進一步有例如圖7所示之方法曾 爲人所提案。亦即,如圖7(a)所示,其係作—種將吹入裝 置1〇3之吹氣銷104自下方打入閉鎖之一對分割成形模 101、102的準備工作。 其次,如同圖(b)所示,係自分割成形模1〇1、1〇2之下 方打入吹氣銷104,對於該分割成形模1〇1、1〇2内所存在 足型坯,吹入空氣。繼之,在將成形之成形品冷卻後,開 啓分割成形模101、102,將吹I銷1〇4朝下方移動。而 後,如同圖(c)所示,在將吹入裝置1〇3以轉軸1〇5爲中心作 9〇旋轉後’將自位於水平位置之吹氣銷丨〇4懸垂之例如 瓶子等的成形品106拉除。 然而,根據上述取出方法,爲了將吹氣銷1 〇4上下動, 係使用汽缸107,爲了將該吹氣銷1〇4作90。旋轉,也是使 用汽缸(圖示省略),因此,將成形品106取出需耗時間。 因此,如圖8所示,有一種方法曾爲人所提案。此方法 係將吹氣銷104上下動之動作與該吹氣銷104之旋轉動 作,以一個伺服馬達108達成。 此一方法係如圖8(a)所示,首先係將吹氣销1〇4打入經 閉鎖之兮割成形模101、102,然後再對該分割成形模 101、102内所存在之型坯吹入空氣。其次,在將成形之 成形品冷卻後,將分割成形模101、102開啓,將吹氣銷 104朝下方移動。而後,如同圖(b)‘所示,在將吹氣銷104 ' -5- 本紙張尺度適用中國國家標準(CNS ) Λ4規格(210X297公釐) --------ά------IT--^-- -----^ (請先閱讀背面之注,意事項再填寫本頁) 470696 A7 五、發明説明(3 經濟部中央標準局員工消費合作社印製 作30。傾斜後,將懸垂於該 部份,以製品取出裝著、軋銷104又成形品106的口部 106。 〈夹頭109夾持,取出該成形品 根據上述方法,係可以與、★ 達⑽,高速進行上述吹、;^目比動作較高速之飼服馬 作,故而可謀求成形周期之蝓短1ΓΓ上下動作及旋轉動 106取出時間之増長/ 作(實施,即會造成成形品 發明之概.要 是以,本發明之目的,係 取出冷卻後之成形品爲止的時7、;::太幅縮短自(具 而且可提高生產性之成形品2造求縮短成形週期, 申請專利範園第!項之發 製造方法達成上述目的。此1^猎由提供—種成形品之 在於./將八 * > w疋製造方法,其特徵係 八、 J成形模内所成形之成形品,於冷卻後自嗲 :割成形杈取出時,將與上述分割成形模内成分割成形模擠出的毛刺,以成形品取出 裝置<夹頭把持至該分割成形模開啓爲止。 申請專利範圍第2項之發明,提供—種成形品 法’其係;於中請_範圍第1項之成形品之製造方“, 將冷卻水流至上述夹頭者。 明,可提供一種能大幅縮短將冷卻後之成形品 自棱具取出爲止之時間,同時又能謀求_成形週期,提 -衣-- (請先閱請背面之注意事項再填寫本頁)Please read the note f ü order 470696 printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 ________B7__ V. Description of the Invention (2)-The blow pin must wait until the molded product is pulled out, so it will cause unnecessary waiting time and cannot be sought Shortening of forming cycle. That is, in the conventional technology, there is a method such as that shown in FIG. 7 which has been proposed. That is, as shown in Fig. 7 (a), it is a kind of preparation work for dividing the forming molds 101 and 102 by driving the blow pin 104 of the blowing device 103 into the lock from below. Next, as shown in Figure (b), the blow pin 104 is driven from below the split forming molds 101 and 102, and for the parison existing in the split forming molds 101 and 102, Blow in air. Next, after the formed product is cooled, the split forming dies 101 and 102 are opened, and the blow pin I 104 is moved downward. Then, as shown in Fig. (C), after the blowing device 10 is rotated 90 times about the rotation shaft 105 as the center, the bottle will be formed by dangling from the blowing pin in a horizontal position. Pin 106 pulled out. However, according to the above-mentioned taking-out method, in order to move the blowing pin 104 up and down, the cylinder 107 is used, and in order to set the blowing pin 104 to 90. Cylinders (not shown) are also used for rotation. Therefore, it takes time to take out the molded product 106. Therefore, as shown in Figure 8, one method was proposed. In this method, a servo motor 108 is used to move the blow pin 104 up and down and the blow pin 104 to rotate. This method is shown in Fig. 8 (a). First, blow the air blow pin 104 into the closed cutting molds 101 and 102, and then the shapes existing in the split forming molds 101 and 102. The blank is blown into the air. Next, after the formed molded article is cooled, the divided forming dies 101 and 102 are opened, and the blow pin 104 is moved downward. Then, as shown in Figure (b) ', the air blow pin 104' will be applied to this paper size. -5- This paper size applies the Chinese National Standard (CNS) Λ4 specification (210X297 mm) -------- ά --- --- IT-^------ ^ (Please read the note on the back, please fill in this page before filling out this page) 470696 A7 V. Invention Description (3 Printed by the Staff Consumer Cooperative of the Central Bureau of Standards, Ministry of Economic Affairs 30). After tilting, hang over the part, and take out the mouth part 106 containing the rolled pin 104 and the shaped product 106. 〈Clamp 109 is clamped, and the shaped product is taken out according to the above method. The above-mentioned blow, high-speed feed horses with higher speed than the action, so the formation cycle can be shortened 1 Γ Γ up and down movements and the rotation time 106 extraction time / operation (implementation, which will cause the invention of the molded product Generally, if the object of the present invention is to take out the cooled molded product, it should be shortened too much (the molded product with improved productivity can be used to shorten the molding cycle). The production method of item No. 2 achieves the above purpose. This 1 ^ hunt is provided by a kind of shaped product ./Wachi * > w 疋 manufacturing method, which is characterized in that the shaped product formed in the Ya-J molding die, after cooling, self-cutting: cutting molding branch is taken out, it will be divided into the above-mentioned split-molding mold into a split-molding mold. The extruded burrs are held by the shaped product take-out device < the chuck until the split forming die is opened. The invention in the second patent application scope provides a shaped product method 'system; The manufacturer of the molded product "flows cooling water to the above chucks. It is clear that it can provide a greatly shortened time until the cooled molded product is taken out from the prism, and at the same time, it can also seek the _ molding cycle, lifting-clothing -(Please read the notes on the back before filling this page)

、1T ί 知--1---------- ΙΊ -I *I * _______-6- 本纸張斤適财_家蘇(CNS ) “格(2獻297公潑~y 470696 經濟部中央標準局員工消費合作社印製 五、發明説明(4 高生產性之成形品之製造方法。 圖面之簡單説明 圖1係將成形品自模具 圖。 爲止<過程的依序之過程 圖2係將自模具突出之毛 持的狀態之透視圖。 、 取出裝置之夹頭把 圖3係將模具開啓, 4,^ 出成形品的狀態之透視圖。 圖4係製…裝置部份以剖視方式表示之正:圖 圖5係本發明與習用姑 I止視圖。 圖6係分割成形;之技上=各種過程之比較過程圖。 該分割成形模之上讀销進行吹氣,並將自 視圖。拣出的毛刺,以夹頭把持的例子之透 圖7係以ru & 7 u人氣銷上下動及轉動的習 依序表示之過程圖。 圖8係使用伺服馬達,令吹氣銷上下動及轉動的又— 用製造方法的依序表示之過程圖。 發明之細節説明 以下,將適用本發明之具體實施形態,佐以圖面詳細 明之。 圖1係將成形品自模具取出爲止的過程之依序表示之 私圖;圖,2係將自模具擠出之毛刺,以製品取出裝置之 頭把持的狀態之透視圖;圖3係谱模具開啓,取出成形 的狀悲之透視圖;圖4係製品取出裝置部份以剖視方 不之正視圖;圖5係本發明與習用技術的各種裝置之 的 習 説 (請先閱讀背面之注意事項再填寫本頁) •裝· -ί~* 、-' -7- 本紙張尺度適用中國國家標準(CNS ) A4規格(21〇χ297公釐 470696 A7 B7 示’並未表示各過程之時 五、發明説明(5 過程圖。 又,圖5只是將各過程依序表 間》 首先,兹就本實施形態之成形品之製造方法,佐以圖! 及圖5簡單説明之。 最先,如圖叫所示,自押出機之十字頭i,連續供給 i坯2 ^其次,以模具移動馬達將一對分割成形模(模具) L 4’移動至上述型坯2之供给位置。此時,篇了把持型 二2 ’係將分割成形模3、4形成爲開啓之狀態。又,上述 刀』成形模3、4之移動,在圖5係僅簡稱爲模具移動。 、、如圖1 (b)所不,將以一定長度垂下之型坯2,以 十之刀成形模3、4爽持。而後,以切斷具將型坡2切 斷後,令吹人裝晋 八哀置5上昇,將吹氣銷8自分割成形模3、4 之下方打入。 ^繼<,如圖1(c)所示,以模具移動機構令上述分割.成形 模4移動,令该分割成形模3、4自型坯2之供給位置退 兮於上述型坯2之吹入,係藉由打入(吹入)裝置之由 壓板或連結桿 '模具等支持(圖未示),在-面移動上述分 割成形模3、4下進行。 厂後在分割成形模3、4達於自型坯2退避之位置時, 製叩取出,裝置I夾頭6、6來到該處,將與該分割成形模 3 4内之成形中的成形品相連之自該分割成形模3、4擠 出的毛刺7,以該夹頭6、6把持。其間,係進行對於該型 拓2之久氧’又進行排氣處理。 ,, --------1¾衣------、1T------,涨 (請先閱請背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製、 1T ί Zhi--1 ---------- ΙΊ -I * I * _______- 6- This paper is suitable for wealth _ Jia Su (CNS) "Grid (2 donated 297 public splashes ~ y 470696 Ministry of Economic Affairs Printed by the Consumer Standards Cooperative of the Central Bureau of Standards 5. Description of the invention (4 Manufacturing method of high-productivity molded products. Brief illustration of the drawing Figure 1 shows the molded product from the mold. So far < Sequential process Figure 2 It is a perspective view of the state of holding the hair protruding from the mold.. Take out the chuck of the device and open the mold. Figure 3 is a perspective view of the state of the molded product. Figure 4 is a section of the device ... The visual representation is correct: Figure 5 is a view of the present invention and a conventional model. Figure 6 is a split molding; technically = a comparison process of various processes. Read the pin on the split molding die to blow air, and Self-view. The example of the picked burr held by the chuck. Figure 7 is a sequence diagram showing the order of the ru & 7 u popularity pin moving up and down. Figure 8 is the use of a servo motor to blow air. The pin moves up and down again-a process diagram sequentially expressed by the manufacturing method. The details of the invention are described below and will apply. The specific embodiment of the present invention is described in detail with reference to the drawings. Fig. 1 is a private diagram showing the process of taking the formed product out of the mold in sequence; Fig. 2 is a burr extruded from the mold to take out the device A perspective view of the state held by the head; Fig. 3 is a perspective view of the genealogy mold opened to take out the shape of the tragedy; Fig. 4 is a front view of the part of the product removal device in cross section; Fig. 5 is the present invention and conventional technology Of various devices (please read the precautions on the back before filling out this page) • Installation · -ί ~ * 、-'-7- This paper size applies the Chinese National Standard (CNS) A4 specification (21〇χ297 公470696 A7 B7 shows the time of each process. 5. Description of the invention (5 process diagram. Also, FIG. 5 merely lists the processes in order. "First, here is the manufacturing method of the molded article of this embodiment. Take the picture! And Figure 5 for a brief explanation. First, as shown in the figure, the cross head i of the self-extruder continuously supplies i blanks 2 ^ Second, a pair of split forming dies (molds) L 4 are moved by the mold moving motor. 'Move to the supply position of the above parison 2. At this time, the article In order to grasp the second type 2 ′, the split forming dies 3 and 4 are opened. In addition, the movement of the above-mentioned knife ′ forming dies 3 and 4 is simply referred to as the mold movement in FIG. 5. As shown in FIG. 1 (b ) No, the parison 2 that hangs down to a certain length will be held by the ten-knife forming dies 3 and 4. Then, after cutting the slope 2 with a cutting tool, the blower will be lifted up to 5 and up. The blow pin 8 is driven from below the split forming dies 3 and 4. ^ Following <, as shown in FIG. 1 (c), the above-mentioned split is performed by the die moving mechanism. The forming die 4 is moved to make the split forming die 3 4 、 The feed position of the parison 2 recedes from the blow-in of the parison 2 mentioned above. It is supported by a pressure plate or a connecting rod 'mold (not shown) by a driving (blow-in) device, and moves in the-plane. The above-mentioned split forming dies 3 and 4 are performed. After the factory, when the split forming molds 3 and 4 reach the retracted position from the parison 2, the cymbals are taken out and the device I chucks 6 and 6 come to the place and will be formed in the forming process in the split forming molds 34 and 4. The burrs 7 extruded from the divided forming dies 3 and 4 are held by the chucks 6 and 6. In the meantime, the exhaust gas treatment for this type of extension 2 was performed. ,, -------- 1¾ clothing ------, 1T ------, up (please read the precautions on the back before filling out this page) Staff Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs Print

(210X297公釐) 經濟部中央標準局員工消費合作社印製 A7 ----- ‘ ---__B7 五、發明説明(6 ) ~ ~-- 其次,排氣處理_狄7 1£ . 、、·; 了’係如圖1(d)所示,將分割成形 _ 4開啓、’與此同時或之後,將吹入裝置5移動至箭頭 、\ 、、下方將Ρ入氧銷8自成形品9拔出。如此,冷卻後 之成形品9係由夹頭6、6所保持。又,上述夾頭6、6,係 在同圖中箭頭Χ所示之方向移動,並且,分割成形模3、4 係再移動至型坯2之供給位置。 藉由以上之過程,成形成由合成樹脂所構成之成形品, 终了 一個成形週期。 其次,兹就本實施形態製造方法中所用之裝置,進行簡 單説明。 首先.炫説明ρ入入裝置5之構成。吹入裝置5係如圖2所 示,具備:設於基板10上之一對連桿Η、u,用以使此 等連桿1 1、1 1作屈伸動作之肘捍機構,以及藉由肘桿機 構作上下動之吹氣銷4。 上述肘桿機構,係藉由將可令伺服馬達丨2之旋轉:傳達 至皮帶輪13且可沿軸支於該皮帶輪13之送進螺桿14前後 動之塊體1 5 ’頂於轉動自如地設在上述一對連桿1 1、】玉 之連結部的頂接部件16 ’而令該連桿11、11作上下方向 之屈伸。 上述吹氣銷8係固定於吹氣銷基台丨7上,該吹氣銷基台 1 7係固气於一側連桿1 1之前端。此一吹氣銷基台丄7又具 有一對之導桿18、18 ’藉由將各導桿18、18引導於上述 基板10上所設之引導部19、19,而使該基台17成上下動 自如之.狀態。 -9- 本紙張尺度適用中國國家標隼(CNS ) A4規格(210X297公釐) --------•裝------訂 .線 (請先閱讀背面之注‘意事項再填寫·本頁) 470696 經濟部中央標準局員工消費合作社印製 五、發明説明(7 以下’兹説明取出裝置之構 所示,由一i· κ 耩成上述取出裝置係如圖4 ^ . 便此寺夾頭6、ό開閉動作之央 頭開閉機構郅2 〇,以及λ ' 的水平古6、欲“ 6移動於箭頭X所示 尺千万向疋移動機構部21所構成。 上述一對夹頭6、6,伯如阊4 & -構成,其係可由固定分割成,、係由一對之臂部所 的-對連結捍23、24中,配置4 =板22上所配置 成形模3、4間之間隙侵入7於=連結桿23與分割 1又八又,上迷夹頭6、6上,咹右 用以將冷卻水巡迴於其内部之冷卻料圖略 以將上述毛刺7冷卻。 上述夹頭開閉機構20,係'如圖4所#,設於上述夹頭 6、6足後端部。該夹頭開閉機構部2〇係可控制上述一對 夾頭6、6 ’使其在彼此相接之方向或離開之方向開閉動 作。 上述移動機構部2 1包括:一由伺服馬達所構成之皮帶 驅動馬達25,一由該皮帶驅動馬達25旋轉之無端狀皮帶 26, 以及一對張掛有該皮帶26之皮帶輪27、28。 另,上述一對皮帶輪27、28、以及張掛於該對皮帶輪 27、 28上之皮帶26 ,係收納於罩殼29之内。該皮帶冗 係藉設於罩殼29外側之皮帶驅動馬達25而正逆轉自如。 又,上述皮帶26上又固定有上述夹頭開閉機構2〇。因 此,上述夹頭6、6係藉由以皮帶驅動馬達2 5旋轉之皮帶 26 ’在圖4中箭頭X方向移動自如。 又’—.自分割成形模3、4取出之成形品9,係由夹頭6、6 -10 本紙張尺度適用中國國家標準(CNS ) Α4規格(210X297公釐) _装------、1T------0 (請先閱讀背面之注意事項再填寫本頁) 470696 ΑΊ F7 五、發明説明(8 經濟部中央標準局員工消費合作社印製 移送至次-過程,例如如圖4所示,由毛刺處理㈣作毛 刺處理後,由口部處理部31作口部處理。經由此等過 程,成形品之加工(後處理)終了,而由良品排出部3 成形品之排出。 上述口部處理部31中,如圖4所示,保持搬入之成形品 9的保持機構(圖未示)、以及在成形品9搬入口部處理部 時位於該成形品9之下方,對該成形品9之口部吹送高 溫氣體的噴嘴31b ,係安裝於基台31a。又,該噴嘴= 構成爲可上下昇降自如。 上述良品排出部32係如圖4所示,具有供保持搬入的成 形品9之吸引部S4 ,以及在將以倒立狀態搬送而來之上述 成形品9以吸引部S4保持後,予以翻轉成正立狀態之翻= 機構(圖未示)。又,還具有可上下昇降之昇降機構32丑, 用以將正立之上述成形品9與將其自成形機搬出之輪送 等作傳遞。 ' 再者’與上述毛刺處理部3〇及上述口部處理部31、 述良品排出部32並列,又設有上述成形品9之搬送機 S。該搬送機構S具有臂部31,該臂部si上,滑動自如 詈裝有移動部S2,其在將成形品9自上述毛刺處理部 搬出並搬入上述口部處理部31的同時,將前次成形之 同成形品,9自上述處理部3 1搬出,並搬入至上述良品排 邵3 2。如此,可將兩個成形品9^移載至次處理部。該移 部S 2具有可吸引該成形品9並固定於該移動部S 2之吸 部S 3。 機 上 地 3 0 不 出 動 引 -裝------訂------線 (請先閱讀背面之注t'事項再填寫本頁) 11 - 本紙張尺度適财關家標準(CNS ) A4規格(训幻97公潑) 470696 五、發明説明(9 上述成形品9係在吸引固定於上述移動部s2之狀炸 搬入上述口部處理部31,由上述保持機構保持。:^ 述喷嘴31b在上昇並抵接於該成形品9之口部後,言” 體會由其噴出吹送至該成形品9之口部。 皿虱 丨田问恤乳體吹送 至菽口邵,口部外周端緣處所產生 I口 D卩毛刺會熔融,並 精其表面張力在該口部之上端平滑地拉大,而被除去。 上述成形品9係在吸引固定於上述移動部S2之狀能^ 入上述良品排出部32,由上述84吸引保持而後:將、, 成形品9翻轉成正立狀態,並予以移載至自成 = 出之輸送機等。 搬 其次,茲佐以圖2〜圖4詳述自具有上述構成之吹入裝署 5及取出裝置,並自分割成形模3、4以夾頭6、6取出成ς 品9之過程。 經濟部中央標準局員工消費合作社印製 如圖2所示,以吹入裝置5將空氣吹入型坯2進行中,以 夾頭6、6把持與分割成型模3、4内之成形中之成形品^ 連的自該分割成形模3、4擠出的毛刺7。具體而言,與在 將分割成形模3、4開啓後,令夾頭6、6侵^將^卻後之 成形品9夾持不同,本實施形態係在吹製成形之過程中, 藉由將與成形中之成形品9相連的自分割成形模3、4擠出 的毛刺7把持’而溶短該成形品9之取出時間。 藉由使冷卻水流入設於上述夾頭6、6之冷卻水導入 管,可令自上述分割成形模3 擠出之毛刺7冷卻。因 此,毛刺7不會附著於夾頭7,可將成形品9確實地搬送至 下一過程。又,在上述毛刺處理部30自該成形品9切除該 12 本紙張尺度適用中國國家標準(CNS ) Α4規格(210X297公釐) 470696 Α7 •R7 經濟部中央標準局員工消費合作社印製 五、發明説明(1〇 ) 毛刺7後,該毛刺7仍係由夾頭6、6所把持,在一定之 所確實地被排出。 如此,根據本裝置,由於係對取出裳置之央頭6、6流 送冷卻水’因此,上述毛刺7可冷卻固化,又,該毛刺; 也可在一定之位置確實地排出。 是以,根據本裝置,不會發生在不具有毛刺7冷卻機構 之習用裝置中所生之問題。亦即’經切除之半炫融狀態的 毛刺7,因南壓空氣等吹飛、或是在被傳送-至承接盤排出 至機械外時,附著,於吹飛之部位(夾頭6、6)或承接盤 内等成爲塊狀而造成麻煩的原因等之問题,不會發生。 其次,如圖3所示’在排氣處理終了後,係將分判成形 模3、4開啓,在與此同時或之後,將吹入裝置5移動至-箭 頭所示之下方,將吹氣銷8自成形品9拔除。而後,將I 述夾頭6、6移動於同圖中箭頭X所示之方向(次過程),並 將分割成形模3、4移動至型坯2之供給位置。 自分割t形模3、4取出之成形品9,係、以把持於夾頭 6、6之狀悲送至次過程,在毛刺處理部3 〇接受毛刺處理 後,如前所述,在口部處理部3 1接受口部處理。 口部處理後,上述噴嘴3lb下降,停止高溫氣體之噴 出,或是以遮蔽板等遮斷高溫氣體,而上述成形品^再' 上述吸引邵S 3所吸引。又,該成形品9在經解除上述保持 機構之保持後,係藉由上述移動部S2在上述軌道81上夕 動,移至次過程。 夕 如上.所述,於本實施形態之成形品的製造方法 ^ Y,係在 ---------裝------II------Μ C請先閲讀背面之注t'·事項再填寫本頁j -13- I 7 4 A7 『7 五 '發明説明(11 一--- 經濟部中央標準局—工消費合作社印製 與分割成形模3、4内之成形中的成形品9相連之自該分割 成形模3、4擠出的毛刺7,由製品取出裝置之夾頭6、6把 持之狀態下,予以冷卻後開啓該分割成形模3、4,及令 該夹頭6、6移動,藉此而自該分割成形模3 ' 4取出該成 形品9,因此,成形品9之取出作業係與成形作業並行地 進行,可在不停止成形機下令該成形機直接作次一動作, 因此可縮短因機械干擾或成形品處理所需之待機時間,可 將該成形品9有效率地製造。 如此,根據本實施形悲之成形品之製造方法,可大幅縮 短將冷卻後之成形品9自分割成形模3、4取出爲止之時 間,可謀求成形週期之縮短化,實現大幅提高生產性之目 的。又,由於又使冷卻水流至夹頭6、6,因此可冷卻自 上述分割成形模3、4擠出之毛刺7。 又,如圖5所示,依本實施形態之製造方法,於成形週 期中所占之機械動作時”,可絲出過程之機械動作時 間,縮短至最短之0秒,亦即可謀求動作時間之縮短。是 以,根據本發明,對於近年高速化顯著之成形機,可使該 取出過程中所耗之時間消失,實爲具有貢獻者。 如上所述之適用本發明之成形品之製造方法,並不受上 述實施形態之限制,在不脱離本發明主旨之範圍内,還可 作各種之變更。 在上述實施形態中,係自分判达彤措。 叫刀刮风形才吴3、4之下方作吹 入,在該分割成形模3、4之上方將换山、t 万扣擠出又毛刺7以夹頭 6 ' 6把持,但是,也可例如圖6所午 口所7^,也可自分割成形模 14 本紙伕尺度適用中國國家標準(CNS ) Λ4規格(2Ϊ〇χ1^5~ * iT_萍 广請先閱讀背面之注意事項#填\对本貰〕 6 9 6 ο 7 4 Λ7 ΈΓ7 五、發明説明(12 3、上方插入吹氣銷8進行吹入,並以夹頭66把持自 該分割成形模3、4之上方擠出之毛刺7。 此—場合下,如圖6所示,係在夹頭6、6上設置與上述 吹氣銷8不接觸之缺口部3 2、3 2,如此,可只把持自分割 成形模3、4出之毛刺7,可獲得與上述實施形態相同之效 又’有關吹入裝置5之構成,不受上述實施形態之限 制,也可作各種之變更。 --------- 1¾--------、玎------Μ (請先閱讀背面之注意事項再填寫本頁) 經濟部中央標準局員工消費合作社印製 -15 本紙張尺度適用中國國家標準(CNS ) Α4規格(210Χ297公釐)(210X297 mm) A7 printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs ----- '---__ B7 V. Description of the Invention (6) ~ ~-Second, exhaust treatment _ Di 7 1 £. ·; As shown in Figure 1 (d), the split molding _ 4 is turned on, and at the same time or after, the blowing device 5 is moved to the arrow, \, and the oxygen injection pin 8 is formed from the bottom to form the product. 9 Pull out. In this way, the cooled molded product 9 is held by the chucks 6 and 6. The chucks 6 and 6 are moved in the direction indicated by the arrow X in the figure, and the split forming dies 3 and 4 are moved to the supply position of the parison 2. Through the above process, a molded article made of a synthetic resin is formed, and a molding cycle ends. Next, the apparatus used in the manufacturing method of this embodiment will be briefly described. First, the constitution of the ρ entry device 5 will be explained. As shown in FIG. 2, the blowing device 5 is provided with a pair of connecting rods Η and u provided on the base plate 10, an elbow defending mechanism for causing these connecting rods 11 and 11 to perform flexion and extension actions, and The toggle lever is used as an up-and-down blow pin 4. The above-mentioned toggle mechanism is capable of rotating the servo motor 丨 2: the block 1 5 ′ which is transmitted to the pulley 13 and can be supported by the feed screw 14 of the pulley 13 along the axis, and is arranged to be free to rotate. At the abutment member 16 'of the above-mentioned pair of connecting rods 11], the connecting rods 11 and 11 are flexed and extended in the vertical direction. The blow pin 8 is fixed on the blow pin base 7, and the blow pin base 17 is fixed at the front end of the side link 11. This blow pin abutment base 7 has a pair of guide rods 18 and 18 ′, and guides each of the guide rods 18 and 18 to the guide portions 19 and 19 provided on the substrate 10 to make the abutment 17 Into the state of freedom. -9- This paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) -------- • Installation ------ Order. Thread (Please read the note on the back side first) (Fill in this page again) 470696 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs of the People's Republic of China 5. Inventory (7) The following describes the structure of the take-out device, and the above-mentioned take-out device is formed by an i · κ as shown in Figure 4 ^. Therefore, the temple chuck 6, the central opening and closing mechanism 开 20 of the opening and closing action, and the horizontal λ 'of the lambda 6 and the "6" are moved by the ruler X moving mechanism unit 21 shown by the arrow X. The above one Pairs of chucks 6 and 6 are composed by a fixed segment, which can be fixedly divided into two pairs of arms.-Pairs of links 23 and 24 are arranged on 4 = 22 The gap between the forming dies 3 and 4 invades 7 on = the connecting rod 23 and the division 1 and 8 on the upper chucks 6, 6 and the right is used to circulate the cooling water to the inside of the cooling material. The burr 7 is cooled. The chuck opening and closing mechanism 20 is provided at the rear end of the chuck 6 and 6 as shown in FIG. 4. The chuck opening and closing mechanism 20 can control the above. The chucks 6 and 6 ′ are opened and closed in a direction in which they are in contact with each other or in a direction away from each other. The above-mentioned moving mechanism section 21 includes a belt drive motor 25 constituted by a servo motor, and a belt drive motor 25 is rotated. The endless belt 26 and a pair of pulleys 27 and 28 hanging the belt 26. The pair of pulleys 27 and 28 and the belt 26 hanging on the pair of pulleys 27 and 28 are housed in a casing 29. The belt is redundantly rotated forward and backward by a belt drive motor 25 provided on the outside of the cover 29. The chuck opening and closing mechanism 20 is fixed to the belt 26. Therefore, the chucks 6 and 6 are The belt 26, which is rotated by the belt drive motor 25, 'moves freely in the direction of the arrow X in Fig. 4. Again'-. The molded product 9 taken out from the split molds 3 and 4 is made by the chucks 6, 6-10. Paper size applies Chinese National Standard (CNS) Α4 specification (210X297 mm) _pack ------, 1T ------ 0 (Please read the precautions on the back before filling this page) 470696 ΑΊ F7 5 、 Invention note (8 Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs To the sub-process, for example, as shown in FIG. 4, after the burr treatment is performed by the burr treatment, the mouth treatment is performed by the mouth treatment unit 31. Through these processes, the processing (post-treatment) of the molded product is ended, and the good product is finished. The discharged part 3 discharges the molded product. As shown in FIG. 4, the mouth processing part 31 holds a holding mechanism (not shown) for the molded product 9 that is carried in, and is located when the molded product 9 is loaded into the processing part of the inlet part. Below the molded product 9, a nozzle 31b for blowing a high-temperature gas to the mouth of the molded product 9 is attached to the base 31a. The nozzle = is configured to be vertically movable. As shown in FIG. 4, the good product discharge section 32 has a suction section S4 for holding the molded product 9 and the molded product 9 that has been carried in an inverted state is held by the suction section S4 and then turned upright. Turn over status = organization (not shown). Furthermore, a lifting mechanism 32 is provided, which can lift up and down, and is used to transfer the above-mentioned formed product 9 upright and a carousel for carrying it out of the forming machine. 'Moreover' is provided in parallel with the burr processing section 30, the mouth processing section 31, and the good product discharge section 32, and a conveyor S for the molded product 9 is provided. The conveying mechanism S has an arm portion 31, and a moving portion S2 is slidably mounted on the arm portion si. When the molded product 9 is carried out from the burr processing portion and into the mouth processing portion 31, the previous time The molded product 9 is moved out of the processing unit 31, and moved to the above-mentioned good product row 3 2. In this way, two molded products 9 ^ can be transferred to the secondary processing section. The moving part S 2 has a suction part S 3 that can attract the molded product 9 and is fixed to the moving part S 2. On-board ground 3 0 Do not trigger the lead-install ------ order ------ line (please read the note t 'on the back before filling out this page) 11-This paper is suitable for financial standards CNS) A4 specification (magic 97 public splash) 470696 V. Description of the invention (9 The above-mentioned molded product 9 is blown into the mouth processing section 31 while being attracted and fixed to the moving section s2, and is held by the holding mechanism.:^ After the nozzle 31b rises and comes into contact with the mouth of the molded product 9, the nozzle 31b expresses that it is blown out and blown to the mouth of the molded product 9. The lice 丨 field shirt milk is blown to the mouth of the mouth, and the mouth The burr of I mouth D 卩 generated at the outer peripheral edge will be melted, and its surface tension will be smoothly enlarged at the upper end of the mouth portion, and removed. The molded product 9 is capable of attracting and fixing the moving part S2 ^ After entering the above-mentioned good product discharge part 32, it is sucked and held by the above-mentioned 84, and then: The molded product 9 is turned into an upright state, and transferred to a self-contained = out conveyor, etc. Next, we refer to FIGS. 2 to 4 In detail, the blow-in loading device 5 and the take-out device having the above structure are taken out, and the split forming molds 3 and 4 are taken from the chucks 6 and 6. The process of producing finished product 9. Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs, as shown in Figure 2, air is blown into the parison 2 with a blowing device 5 in progress, and the molds are held and divided by the chucks 6, 6. The formed article in the forming of 3, 4 ^ The burrs 7 extruded from the divided forming dies 3, 4. Specifically, after opening the divided forming dies 3, 4, the chucks 6, 6 invade. ^ Clamping the molded product 9 is different. In this embodiment, during the blow molding process, the burrs 7 extruded from the self-partition molding dies 3 and 4 connected to the molded product 9 during molding are held. 'The solution shortens the take-out time of the molded product 9. By passing cooling water into the cooling water introduction pipes provided in the chucks 6, 6, the burrs 7 extruded from the divided molding die 3 can be cooled. Therefore, the burrs 7 does not adhere to the chuck 7 and can reliably transport the molded product 9 to the next process. The burr processing section 30 cuts out the 12 from the molded product 9 The paper size is in accordance with Chinese National Standard (CNS) Α4 specifications (210X297 mm) 470696 Α7 • R7 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs It is stated (10) that after the burr 7, the burr 7 is still held by the chucks 6, 6, and is surely discharged in a certain place. Thus, according to this device, since the central head 6, 6 flow of cooling water 'Therefore, the burr 7 can be cooled and solidified, and the burr can also be surely discharged at a certain position. Therefore, according to this device, it does not occur in a conventional device without a burr 7 cooling mechanism. The problem that arises in the process. That is, the burr 7 in the "removed half-dazzle state" is attached to the blown-off part due to the blown air from the south pressure air, or when it is transported to the receiving tray and discharged out of the machine. (Chucks 6, 6), the inside of the receiving tray, and the like cause problems such as the cause of trouble, and will not occur. Next, as shown in FIG. 3, after the exhaust treatment is completed, the sub-molding molds 3 and 4 are opened, and at the same time or after, the blowing device 5 is moved below the-arrow to blow air. The pin 8 is removed from the molded product 9. Then, the chucks 6 and 6 are moved in the direction indicated by arrow X in the figure (secondary process), and the split forming dies 3 and 4 are moved to the supply position of the parison 2. The molded product 9 taken out from the divided t-shaped molds 3 and 4 is sent to the secondary process in a state of being held by the chucks 6 and 6. After receiving the burr processing in the burr processing section 30, as described above,部 处理 部 31 receives oral processing. After the mouth treatment, the nozzle 3lb is lowered to stop the ejection of the high-temperature gas, or the high-temperature gas is blocked by a shielding plate or the like, and the molded product is attracted by the above-mentioned attraction Shao S3. In addition, after the molded product 9 is released from the holding mechanism, it is moved on the rail 81 by the moving part S2 at night, and moves to the next process. Evening is as above. As described above, the manufacturing method of the molded product in this embodiment ^ Y is based on ---------- install ------ II ------ MC Please read the back first Note t '· matters, please fill out this page j -13- I 7 4 A7 "7 Five' invention description (11 1 --- printed and divided molding molds 3 and 4 of the Central Standards Bureau of the Ministry of Economic Affairs-Industrial and Consumer Cooperatives The burrs 7 extruded from the divided forming dies 3, 4 connected to the formed article 9 during forming are held by the chucks 6 and 6 of the product take-out device, and the divided forming dies 3, 4 are opened after cooling, and The chucks 6 and 6 are moved to thereby take out the molded product 9 from the divided molding die 3'4. Therefore, the removing operation of the molded product 9 is performed in parallel with the molding operation, and the molding product can be ordered without stopping the molding machine. The molding machine directly performs the next operation, so the standby time required for mechanical interference or processing of the molded product can be shortened, and the molded product 9 can be efficiently manufactured. Thus, according to the manufacturing method of the molded product of this embodiment, The time taken for cooling the molded product 9 from the divided molding dies 3 and 4 is greatly shortened, and the molding cycle can be shortened and practical. The purpose of greatly improving productivity is to allow cooling water to flow to the chucks 6 and 6, so that the burrs 7 extruded from the split forming dies 3 and 4 can be cooled. As shown in FIG. 5, according to this embodiment, The manufacturing method is based on the mechanical action in the forming cycle. ”The mechanical action time of the wire drawing process can be shortened to the shortest 0 seconds, which can also shorten the action time. Therefore, according to the present invention, for recent years, Significantly high-speed molding machines can make the time consumed during the take-out process disappear, which is a contributor. The manufacturing method of the molded product to which the present invention is applied as described above is not limited by the above-mentioned embodiments. Various changes can be made without departing from the scope of the present invention. In the above-mentioned embodiment, it is a self-determination method. It is called a blade-blowing wind blower underneath the 3 and 4 and is blown into the split forming die. Above 3, 4 will change the mountain, t million buckle will be squeezed out and burr 7 will be held by the chuck 6'6, but it can also be, for example, 7 in the mouth of No. 7 in the mouth, or it can be divided into forming dies. China National Standard (CNS) Λ4 Specification ( 2Ϊ〇χ1 ^ 5 ~ * iT_pingguang, please read the notes on the back #fill in \ 对 本 贳] 6 9 6 ο 7 4 Λ7 ΈΓ7 V. Description of the invention (12 3. Insert air pin 8 above to blow, And the burr 7 extruded from above the divided forming dies 3 and 4 is held by the chuck 66. In this case, as shown in FIG. 6, the chucks 6 and 6 are provided without contact with the above-mentioned blow pin 8. The cutouts 3 2 and 3 2 can hold only the burrs 7 from the split forming molds 3 and 4 to obtain the same effect as the above-mentioned embodiment and the structure of the blowing device 5 is not affected by the above-mentioned embodiment. Restrictions can also be changed in various ways. --------- 1¾ --------, 玎 ------ Μ (Please read the precautions on the back before filling this page) Printed by the Employees' Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs-15

Claims (1)

470696 第87107364號專利申請案 申請專利範圍修正本(90年4月)470696 Patent Application No. 87107364 Amendment to Patent Application Scope (April 1990) 經濟部中央標準局員工消費合作社印装 六、申請專利範圍 1. 一種成形品之製造方法’其特徵係在於:在將分割成形 模内所成形之成形品’於冷卻後自該分割成形模取出 時’將與上述分割成形模内成形中之上述成形品相連之 自該分割成形模擠出的毛刺’以成形品取出裝置之夾頭 預先把持至該分割成形模開啟為止。 2. 根據申請專利範圍第1項之成形品之製造方法中,其中 係將冷卻水流至上述夾頭者。 3. 種成形w之製造方法,其係將自押出機連續押出之型 坯供給至分割成形模,將該型坯切斷,並將吹氣銷打入 該分割成形模,自該吹氣銷對於型坯吹入氣體,而在該 分割成型模内將成形品成形,再於冷卻後開啟該分割成 形模將該成形品予以取出;其特徵係在於: 將上述吹氣銷自上述.分割成形模之下方打入,在該吹 乳銷打入則或打入後’將該分割成形模自上述型远供給 位置退避,且在一面將該分割成形模退避下,一面自該 吹氣銷對型坯吹入氣體; 在上述吹氣銷打入後’在上述分割成形模開啟前,以 成形品取出裝置之夾頭,將與上述分割成形模内成形中 之上述成形品相連之自該令割成形模上方擠出的毛刺預 先把持之; 上述成形品成形後,開啟上述分割成形模,且自上述 吹氣銷將該成形品拔出; 而後,以上述夾頭將上述成形品以把持上述毛刺之狀 態移至次一步驟,並將上述分割成形模移動至上述型述 供給位置。 本紙張尺度適用中國國家標準(CNS ) Α4現格(210X297公I ) ---- (請先閲讀背面之注意事項再填寫本頁) 、1TPrinted by the Consumers 'Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 6. Application for Patent Scope 1. A method for manufacturing a molded product' characterized in that the molded product formed in a split molding mold is taken out from the split molding mold after cooling At the time, 'the burr extruded from the divided molding die connected to the molded article in the above-mentioned divided molding die molding' is held in advance by the chuck of the molded article removal device until the divided molding die is opened. 2. In the method for manufacturing a molded article according to item 1 of the scope of patent application, wherein the cooling water flows to the chuck. 3. A manufacturing method for forming w, which comprises supplying a parison continuously extruded from an extruder to a split forming mold, cutting the parison, and driving a blow pin into the split forming mold, and from the blow pin The parison is blown with gas, and the molded product is formed in the split molding mold, and the split molding mold is opened after cooling to take out the molded product; it is characterized in that the blow pin is split from the above. Drive under the mold, after the milk pin is driven, or after driving in, 'the split forming mold is retracted from the above-mentioned remote supply position, and the split forming mold is retracted on one side, and from the blow pin pair Gas is blown into the parison; after the blow pin is driven, before the split molding die is opened, the chuck of the molded product take-out device will be connected to the molded product in the split molding mold. The burrs extruded above the cutting mold are held in advance; after the molded product is formed, the divided molding mold is opened, and the molded product is pulled out from the blow pin; and then, the molded product is held by the chuck to hold the above. hair The state of the thorn is moved to the next step, and the above-mentioned split forming die is moved to the above-mentioned supply position. This paper size applies to Chinese National Standard (CNS) Α4 (210X297 male I) ---- (Please read the precautions on the back before filling this page), 1T
TW87107364A 1997-05-27 1998-05-13 Process for producing molded article TW470696B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13707697A JP3167643B2 (en) 1997-05-27 1997-05-27 Manufacturing method of molded products

Publications (1)

Publication Number Publication Date
TW470696B true TW470696B (en) 2002-01-01

Family

ID=15190347

Family Applications (1)

Application Number Title Priority Date Filing Date
TW87107364A TW470696B (en) 1997-05-27 1998-05-13 Process for producing molded article

Country Status (2)

Country Link
JP (1) JP3167643B2 (en)
TW (1) TW470696B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6256640B1 (en) * 2017-01-31 2018-01-10 東洋製罐株式会社 Blow bottle removal device

Also Published As

Publication number Publication date
JP3167643B2 (en) 2001-05-21
JPH10323887A (en) 1998-12-08

Similar Documents

Publication Publication Date Title
JPS61202818A (en) Addition of label to blow-molded product
KR101956870B1 (en) Parison supply device and supply method, and blow molding machine and blow molding method using same
CN108472856B (en) Blow molding device and blow molding method
WO2014175311A1 (en) Parison supply device and supply method
BG99871A (en) Method and device for the manufacture of hollow products, in particular for plastic blanks
TW470696B (en) Process for producing molded article
JP4714533B2 (en) Hollow molding equipment
JP2006192648A (en) Resin molding apparatus and resin molding method
JPH10230531A (en) Apparatus for producing decorated molded product
JP5867562B1 (en) Extrusion blow molding machine
JP3900316B2 (en) Method for removing press-formed product and device for removing the same
JP2000301597A (en) Apparatus for producing plugged thin-walled container
JP2019181738A (en) Hollow molding system
CN117283888B (en) Dental bar circulation processing and transporting system
JP6256640B1 (en) Blow bottle removal device
JP3638991B2 (en) Molding equipment
JP2000318022A (en) Method for producing thermoplastic molded article and injection blow molding machine therefor
JP3842067B2 (en) Neck part crystallization apparatus, crystallization method and molded article conveying member
JP5904241B2 (en) Parison supply device and supply method
JPS62128715A (en) Deflashing device for mouth of hollow vessel
JP4214121B2 (en) Resin molding machine
JP3785140B2 (en) Blow molding equipment
JP2000158464A (en) Method and apparatus for releasing cylindrical film from mold
JPH055242U (en) Can supply device for paneling machine
JP5904248B1 (en) Parison holding and cutting device and Harrison holding and cutting method

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees