TWI790091B - 具有連動式擋紙結構的進紙模組及使用其的列印裝置 - Google Patents
具有連動式擋紙結構的進紙模組及使用其的列印裝置 Download PDFInfo
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Abstract
一種進紙模組包含:一紙匣;一支撐板,可樞轉地設置於紙匣,以與紙匣形成一第一夾角,其中支撐板支持多張紙張;及一擋紙結構,可樞轉地設置於紙匣上,並為此些紙張提供阻擋的功能。於一連動模式下,擋紙結構依據第一夾角的變化受支撐板驅動而相對於紙匣樞轉,以調整擋紙結構的一阻擋面與此些紙張之間一第二夾角。一種使用上述進紙模組的列印裝置亦一併提供。
Description
本發明是有關於一種進紙模組及使用其的列印裝置,且特別是有關於一種具有連動式擋紙結構的進紙模組及使用其的列印裝置。
在目前的印表機、多功能事務機、複印機等影像形成設備中,都設置有進紙模組來容納多張欲列印輸出的紙張或媒體。進紙模組包括紙匣、分離滾輪、摩擦墊和紙張支撐板。一疊紙張存放於紙匣中,分離滾輪與摩擦墊共同作用以執行分紙的動作,避免一次有多張紙張通過分離滾輪與摩擦墊。紙張支撐板用於支撐這一疊紙張,並且可相對於紙匣樞轉。當大量紙張放置於紙張支撐板上時,紙張支撐板幾乎成水平狀態。當殘留少量紙張放置於紙張支撐板上時,紙張支撐板變成傾斜狀態。因此,位於紙張支撐板上的紙張,在這兩種狀態下,接觸摩擦墊的角度是不同的,造成傾斜狀態下會有多重進紙的缺點。
因此,如何避免上述缺點,解決不同狀態造成的多重進紙的問題,實為本發明所欲解決的問題。
因此,本發明的一個目的是提供一種具有連動式擋紙結構的進紙模組及使用其的列印裝置,利用連動式擋紙結構以將處於高紙量與低
紙量的不同狀態下的紙張阻擋及導引條件進行適應性調整,來解決不同狀態下的多重進紙的問題。
為達上述目的,本發明提供一種進紙模組,包含:一紙匣;一支撐板,可樞轉地設置於紙匣,以與紙匣形成一第一夾角,其中支撐板支持多張紙張;及一擋紙結構,可樞轉地設置於紙匣上,並為此些紙張提供阻擋的功能。於一連動模式下,擋紙結構依據第一夾角的變化受支撐板驅動而相對於紙匣樞轉,以調整擋紙結構的一阻擋面與此些紙張之間一第二夾角。
本發明亦提供一種列印裝置,包含:上述進紙模組;一列印模組,列印資料於來自進紙模組的此些紙張的其中一張紙張上;一存放匣,存放來自列印模組的紙張;及一饋送機構,將紙張從進紙模組饋送通過列印模組而到達存放匣。
藉由上述的實施例,可以利用與支撐板連動的擋紙結構來調整紙張的進入角,以適應大量紙張及少量紙張的不同狀態,達成預先擋紙以及促進分紙動作的完成的效果。
為讓本發明的上述內容能更明顯易懂,下文特舉較佳實施例,並配合所附圖式,作詳細說明如下。
A1:第一夾角
A2:第二夾角
A2':夾角
N:夾擰處
P:點
S:紙張
S':紙張
TP:饋送通道
1:列印裝置
10:紙匣
13:樞接結構
20:支撐板
22:勾臂
30:擋紙結構
31:阻擋面
32:軌道部
33:樞軸
40:分離組件
41:摩擦元件
42:導引座
43:彈性元件
46:分紙滾輪
50:取紙滾輪
60:抬紙機構
100:進紙模組
110:列印模組
120:存放匣
130:饋送機構
131,132,133:滾輪
〔圖1〕顯示依據本發明較佳實施例的列印裝置的示意圖。
〔圖2〕顯示〔圖1〕的紙匣的第一狀態的立體圖。
〔圖3〕顯示〔圖1〕的紙匣的第二狀態的立體圖。
〔圖4〕顯示〔圖1〕的紙匣的第一狀態的局部前視示意圖。
〔圖5〕顯示〔圖1〕的紙匣的第二狀態的局部前視示意圖。
〔圖6〕與〔圖7〕顯示〔圖3〕的紙匣的局部立體示意圖。
圖1顯示依據本發明較佳實施例的列印裝置的示意圖。如圖1所示,本實施例的列印裝置1包含一進紙模組100、一列印模組110、一存放匣120及一饋送機構130。饋送機構130包含多個滾輪131、132與133。進紙模組100中存放多張紙張S,並且配合饋送機構130將多張紙張S逐一饋送到列印模組110,使得列印模組110可以列印資料於來自進紙模組100的其中一張紙張S上。存放匣120存放來自列印模組110的紙張S,也就是上面列印有資料的紙張S被饋送機構130從進紙模組100饋送通過列印模組110而到達存放匣120。列印模組110可以是執行單面列印的單面列印模組,也可以是配合饋送機構130執行雙面列印的雙面列印模組,列印模組110包含但不限於雷射列印模組、噴墨列印模組、點陣式列印模組或熱感應式列印模組,於此不作特別限制。
圖2與圖3分別顯示圖1的紙匣的第一狀態與第二狀態的立體圖。如圖1至圖3所示,進紙模組100包含一紙匣10、一支撐板20及一擋紙結構30。紙匣10中存放紙張S。支撐板20可樞轉地設置於紙匣10,以與紙匣10形成一第一夾角A1。支撐板20支持多張紙張S,例如支撐板20支持紙張S的右半部分,而紙匣10支持紙張S的左半部分。擋紙結構30可樞轉地設置於紙匣10上,並為此些紙張S提供阻擋的功能,也就是提供阻擋此等紙張S進入饋送通道TP的功能。
圖4與圖5分別顯示圖1的紙匣10的第一狀態與第二狀態的局部前視示意圖。如圖1、圖3與圖5所示,當第一夾角A1大於或等於
一預定角度(紙張S的數量少於一預定數量)時,進入一連動模式,擋紙結構30依據第一夾角A1的變化受支撐板20驅動而相對於紙匣10樞轉,以調整擋紙結構30的一阻擋面31與此些紙張S之間一第二夾角A2。如圖2與圖4所示,當第一夾角A1小於預定角度(紙張S的數量大於預定數量)時,進入一解連模式。於解連模式下,擋紙結構30不受支撐板20驅動而相對於紙匣10樞轉。
如圖4與圖5所示,可選的,進紙模組100可以更包含一分離組件40及一取紙滾輪50。分離組件40設置於擋紙結構30的下游,為通過擋紙結構30的此些紙張S的一部分提供分紙功能。取紙滾輪50,設置於擋紙結構30的上游,用於帶動此些紙張S的其中一張或多張往擋紙結構30移動。分離組件40包含一摩擦元件41及一分紙滾輪46,分紙滾輪46直接接觸此些紙張S的一部分的其中一紙張,摩擦元件41直接接觸此些紙張S的一部分的其中另一紙張,以提供分紙功能。分紙滾輪46設置於摩擦元件41上,且摩擦元件41為一摩擦輪。然而,於另一例子中,摩擦元件41為一摩擦墊。分離組件40更包含一導引座42及一彈性元件43,摩擦元件41可轉動地設置於導引座42,且彈性元件43連接至摩擦元件41及紙匣10,並將摩擦元件41往分紙滾輪46的方向加壓。導引座42將通過摩擦元件41的此些紙張S的其中一張以彎曲向上的方式導引出去。
可選的,進紙模組100可以更包含一抬紙機構60,將支撐板20往上抬起,讓取紙滾輪50帶動此些紙張S的其中一張或多張。於一例子中,抬紙機構60是有主動動力式的抬紙機構,進紙時通過電力(馬達)將支撐板20抬起。於另一例子中,抬紙機構60是無主動動力式的抬紙機構,譬如是彈簧或扭簧,不需電力而恆久提供將支撐板20抬起的力量。
以下說明實際操作狀態。當紙張S數量很多時,支撐板20
幾乎呈水平狀態(圖4),此時最上方的一張紙張S大致呈水平狀態,紙張S的行進方向與擋紙結構30的阻擋面31夾出一個第二夾角A2(可稱為進入角),適當的進入角可以提供一定的摩擦面積給紙張S,可以提供預先擋紙的功能。假設有兩張紙張S通過擋紙結構30,這兩張紙張S和分紙滾輪46與摩擦元件41的夾擰處(nip portion)N呈現一個適當的進入角度,讓分紙滾輪46與摩擦元件41提供分紙的功能,使得只有最上方的紙張S可以通過夾擰處N而讓導引座42的彎曲導引結構導引向上而進入饋送通道TP。
當紙張S數量很少時,支撐板20呈傾斜狀態(圖5),此時最上方的一張紙張S也是呈傾斜狀態,紙張S的行進方向與擋紙結構30的阻擋面31夾出的第二夾角A2可以被連動式擋止機構的設計調整成與圖4的第二夾角A2幾乎相同或相似,以提供適當的進入角來提供適當的摩擦面積給紙張S,可以提供預先擋紙的功能。假設有兩張紙張S通過擋紙結構30,這兩張紙張S和夾擰處N呈現適當的進入角度,讓分紙滾輪46與摩擦元件41提供分紙的功能,使得只有最上方的紙張S可以通過夾擰處N而讓導引座42的彎曲導引結構導引向上而進入饋送通道TP,且紙張S可以順利進入夾擰處N,保證後續的饋送或分紙功能的正常。反之,若沒有讓擋紙結構30跟著支撐板20的樞轉角度連動,則紙張會以圖4的紙張S'的方向進入擋紙結構30,使得紙張S'跟擋紙結構30的阻擋面31接近平行(譬如夾角A2'小於30度),無法發揮較佳的預先擋止的功能,且紙張S'可能無法順利進入夾擰處N(譬如從點P進入),影響後續的饋送或分紙的功能。
圖6與圖7顯示圖3的紙匣10的局部立體示意圖。如圖5至圖7所示,支撐板20包含兩勾臂22。在連動模式下,勾臂22勾住擋紙結構30兩側的軌道部32,以讓擋紙結構30的樞軸33可以相對於紙匣10的樞接結構13轉動,達成利用支撐板20的轉動控制擋紙結構30的連動的
效果。從解連模式到連動模式,勾臂22的位置從圖5的最下方開始朝上移動,接觸到軌道部32的下部,然後沿著軌道部32移動到最上部。因此,可以設計軌道部32的形狀,控制擋紙結構30的漸進轉動角度,以控制紙張S對於阻擋面31的進入角,以利擋紙及分紙動作的進行。
可以理解的是,雖然上述實施例是以連動模式及解連模式當作例子來說明,但是亦可採用其他變化。例如,可以通過擋紙結構30的軌道部32的輪廓設計而沒有解連模式,也就是擋紙結構30可以一直受到支撐板20的驅動,達到無段連動調整進入角的效果。
藉由上述實施例的進紙模組及列印裝置,可以利用與支撐板連動的擋紙結構來調整紙張的進入角,以適應大量紙張及少量紙張的不同狀態,達成較佳的預先擋紙以及進入分離組件的較佳位置,以利整個分紙動作的完成。
在較佳實施例的詳細說明中所提出的具體實施例僅用以方便說明本發明的技術內容,而非將本發明狹義地限制於上述實施例,在不超出本發明的精神及申請專利範圍的情況下,所做的種種變化實施,皆屬於本發明的範圍。
A1:第一夾角
A2:第二夾角
N:夾擰處
S:紙張
TP:饋送通道
10:紙匣
13:樞接結構
20:支撐板
22:勾臂
30:擋紙結構
31:阻擋面
32:軌道部
33:樞軸
40:分離組件
41:摩擦元件
42:導引座
43:彈性元件
46:分紙滾輪
50:取紙滾輪
60:抬紙機構
Claims (14)
- 一種進紙模組,包含:一紙匣;一支撐板,可樞轉地設置於該紙匣,以與該紙匣形成一第一夾角,其中該支撐板支持多張紙張;及一擋紙結構,可樞轉地設置於該紙匣上,並提供阻擋該等紙張進入一饋送通道的功能,其中:於一連動模式下,該擋紙結構依據該第一夾角的變化受支持該等紙張的該支撐板驅動而相對於該紙匣樞轉,以調整該擋紙結構的一阻擋面與該等紙張之間一第二夾角。
- 如請求項1所述的進紙模組,其中當該第一夾角大於或等於一預定角度時,進入該連動模式;以及當該第一夾角小於該預定角度時,進入一解連模式,其中於該解連模式下,該擋紙結構不受該支撐板驅動而相對於該紙匣樞轉。
- 如請求項1所述的進紙模組,更包含一分離組件,設置於該擋紙結構的下游,並為通過該擋紙結構的該等紙張的一部分提供分紙功能。
- 如請求項3所述的進紙模組,其中該分離組件包含一摩擦元件及一分紙滾輪,該分紙滾輪直接接觸該等紙張的一部分的其中一紙張,該摩擦元件直接接觸該等紙張的一部分的其中另一紙張,以提供該分紙功能。
- 如請求項4所述的進紙模組,其中該分紙滾輪設置於該摩擦元件上,且該摩擦元件為一摩擦輪。
- 如請求項4所述的進紙模組,其中該分紙滾輪設置於該摩擦元件上,且該摩擦元件為一摩擦墊。
- 如請求項4所述的進紙模組,其中該分離組件更包含一導引座及一彈性元件,該摩擦元件可轉動地設置於該導引座,且該彈性元件連接至該摩擦元件及該紙匣,並將該摩擦元件往該分紙滾輪的方向加壓。
- 如請求項7所述的進紙模組,其中該導引座將通過該摩擦元件的該等紙張的其中一張以彎曲向上的方式導引出去。
- 如請求項3所述的進紙模組,更包含一取紙滾輪,設置於該擋紙結構的上游,用於帶動該等紙張的其中一張或多張往該擋紙結構移動。
- 如請求項9所述的進紙模組,更包含一抬紙機構,將該支撐板往上抬起,讓該取紙滾輪帶動該等紙張的其中一張或多張。
- 如請求項10所述的進紙模組,其中該抬紙機構為有主動動力式的抬紙機構。
- 如請求項10所述的進紙模組,其中該抬紙機構為無主動動力式的抬紙機構。
- 如請求項1所述的進紙模組,其中該支撐板包含兩勾臂,在該連動模式下勾住該擋紙結構兩側的軌道部。
- 一種列印裝置,包含:如請求項1至13中的任一項所述的進紙模組;一列印模組,列印資料於來自該進紙模組的該等紙張的其中一張紙張上;一存放匣,存放來自該列印模組的該紙張;及 一饋送機構,將該紙張從該進紙模組饋送通過該列印模組而到達該存放匣。
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CN202310003253.3A CN116281285A (zh) | 2022-01-13 | 2023-01-03 | 具有连动式挡纸结构的进纸模块及使用其的打印装置 |
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Citations (5)
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TWM266285U (en) * | 2004-07-09 | 2005-06-01 | Lite On Technology Corp | Paper transmission mechanism with dynamic adjustment of paper pick-up angle |
CN101723191A (zh) * | 2008-10-17 | 2010-06-09 | 虹光精密工业(苏州)有限公司 | 具有阻挡元件的进纸机构及使用其的自动送纸设备 |
TW201607774A (zh) * | 2014-08-22 | 2016-03-01 | 東友科技股份有限公司 | 擋止機構及其適用之饋送系統 |
TW202002497A (zh) * | 2018-06-15 | 2020-01-01 | 虹光精密工業股份有限公司 | 煞車電路及抬紙裝置 |
US20210309481A1 (en) * | 2020-04-02 | 2021-10-07 | Seiko Epson Corporation | Medium loading device and post-processing device |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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TWM266285U (en) * | 2004-07-09 | 2005-06-01 | Lite On Technology Corp | Paper transmission mechanism with dynamic adjustment of paper pick-up angle |
CN101723191A (zh) * | 2008-10-17 | 2010-06-09 | 虹光精密工业(苏州)有限公司 | 具有阻挡元件的进纸机构及使用其的自动送纸设备 |
TW201607774A (zh) * | 2014-08-22 | 2016-03-01 | 東友科技股份有限公司 | 擋止機構及其適用之饋送系統 |
TW202002497A (zh) * | 2018-06-15 | 2020-01-01 | 虹光精密工業股份有限公司 | 煞車電路及抬紙裝置 |
US20210309481A1 (en) * | 2020-04-02 | 2021-10-07 | Seiko Epson Corporation | Medium loading device and post-processing device |
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CN116281285A (zh) | 2023-06-23 |
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