TWI608981B - Active paper pickup and separation mechanism - Google Patents
Active paper pickup and separation mechanism Download PDFInfo
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- TWI608981B TWI608981B TW105128443A TW105128443A TWI608981B TW I608981 B TWI608981 B TW I608981B TW 105128443 A TW105128443 A TW 105128443A TW 105128443 A TW105128443 A TW 105128443A TW I608981 B TWI608981 B TW I608981B
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Description
本發明涉及一種取紙分紙機構，尤其涉及一種可應用於各種的自動饋紙式掃描器，包含單面掃描饋紙式掃描器及雙面掃描饋紙式掃描器的主動式取紙分紙機構。 The invention relates to a paper picking and separating mechanism, in particular to an automatic paper feeding type scanner which can be applied to various types of automatic paper feeding type scanners, including a single-sided scanning paper feeding type scanner and a double-sided scanning paper feeding type scanner. mechanism.
現有饋紙式掃描器，其取紙滾輪的上方設置有一取紙壓輪，並使用壓簧或扭簧提供取紙壓輪一固定力量，使取紙壓輪能壓制紙張靠向取紙滾輪。惟，壓簧或扭簧只能提供取紙壓輪固定力量，當發生無法取紙時，無法額外再加大取紙正向力，再次提供取紙機會。 In the existing paper-feeding scanner, a paper take-up roller is arranged above the paper take-up roller, and a pressure spring or a torsion spring is used to provide a fixed force of the paper take-up roller, so that the paper take-up roller can press the paper against the paper take-up roller. However, the compression spring or the torsion spring can only provide the fixing force of the paper take-up roller. When the paper cannot be taken, the paper can not increase the positive force of the paper take-up, and provide the paper picking opportunity again.
綜上所述，本發明人有感上述缺陷可改善，乃特潛心研究並配合學理的應用，終於提出一種設計合理且有效改善上述缺陷的本發明。 In summary, the present inventors have felt that the above-mentioned defects can be improved, and the present invention has been put forward with great interest in designing and coordinating the above-mentioned defects.
本發明所要解決的技術問題，在於提供一種主動式取紙分紙機構，可改善自動饋紙機構，在處理多張容量時，降低無法取紙的發生率。 The technical problem to be solved by the present invention is to provide an active paper picking and separating mechanism, which can improve the automatic paper feeding mechanism and reduce the incidence of inability to take out paper when processing a plurality of sheets.
為了解決上述的技術問題，本發明提供一種主動式取紙分紙機構，包括：一取紙馬達；一取紙滾輪組；一分紙滾輪組；一取 紙壓輪機構，其包含一第一傳動件、一壓輪支架、一取紙壓輪、一第二傳動件及一負載板，該壓輪支架設置於該第一傳動件上，該取紙壓輪設置於該壓輪支架上，該負載板連接於該第二傳動件，該第一傳動件的一端設有一第一從動件，該第二傳動件的一端設有一第二從動件；以及一傳動機構，該取紙馬達通過該傳動機構連接於該取紙滾輪組、該分紙滾輪組及該取紙壓輪機構，該傳動機構包含有一凸輪，該凸輪具有一第一凸輪部及一第二凸輪部，該第一從動件頂抵於該第一凸輪部，能用以控制該取紙壓輪的上升及下降，該第二從動件頂抵於該第二凸輪部，能用以控制該取紙壓輪的取紙力量。 In order to solve the above technical problem, the present invention provides an active paper picking and separating mechanism, comprising: a paper take-out motor; a paper take-up roller set; a paper take-up roller set; a paper pressure roller mechanism comprising a first transmission member, a pressure roller bracket, a paper take-up pressure roller, a second transmission member and a load plate, wherein the pressure roller bracket is disposed on the first transmission member, and the paper is taken The pressure wheel is disposed on the pressure wheel bracket, the load board is connected to the second transmission member, one end of the first transmission member is provided with a first driven member, and one end of the second transmission member is provided with a second driven member And a transmission mechanism, the paper take-off motor is connected to the paper take-up roller set, the paper separation roller set and the paper take-up roller mechanism through the transmission mechanism, the transmission mechanism includes a cam, and the cam has a first cam portion And a second cam portion, the first follower member abutting against the first cam portion, can be used for controlling the rising and falling of the paper take-up pressing wheel, and the second follower member abuts against the second cam portion , can be used to control the paper take-up force of the paper take-up roller.
本發明的有益效果：本發明在發生取紙失敗時，取紙馬達會驅動傳動機構透過凸輪的第一凸輪部及第二凸輪部，使壓輪支架及取紙壓輪再次下降，用以提供更大的取紙下壓力量，達到增加成功取紙機會。 The invention has the beneficial effects that the paper take-off motor drives the transmission mechanism to pass through the first cam portion and the second cam portion of the cam when the paper pick-up fails, so that the pressure roller bracket and the paper take-up roller are lowered again for providing The greater the amount of pressure under the paper, to increase the chances of successful paper picking.
為使能更進一步瞭解本發明的特徵及技術內容，請參閱以下有關本發明的詳細說明與附圖，然而附圖僅提供參考與說明用，並非用來對本發明加以限制者。 For a better understanding of the features and technical aspects of the present invention, reference should be made to the accompanying drawings.
1‧‧‧取紙馬達 1‧‧‧Feeding motor
2‧‧‧取紙滾輪組 2‧‧‧ Pickup roller set
21‧‧‧取紙滾輪 21‧‧‧ Pickup roller
3‧‧‧分紙滾輪組 3‧‧‧Dividing roller set
4‧‧‧取紙壓輪機構 4‧‧‧Picking roller mechanism
41‧‧‧第一傳動件 41‧‧‧First transmission parts
411‧‧‧軸體 411‧‧‧Axis body
42‧‧‧壓輪支架 42‧‧‧pressure wheel bracket
43‧‧‧取紙壓輪 43‧‧‧Picking roller
44‧‧‧第二傳動件 44‧‧‧Second transmission parts
441‧‧‧套筒 441‧‧‧ sleeve
45‧‧‧負載板 45‧‧‧ load board
46‧‧‧第一從動件 46‧‧‧First follower
461‧‧‧第一撥桿 461‧‧‧first pole
462‧‧‧第一頂抵部 462‧‧‧First Abutment
47‧‧‧彈性元件 47‧‧‧Flexible components
48‧‧‧第二從動件 48‧‧‧Second follower
481‧‧‧第二撥桿 481‧‧‧second lever
482‧‧‧第二頂抵部 482‧‧‧Second top
5‧‧‧傳動機構 5‧‧‧Transmission mechanism
51‧‧‧凸輪 51‧‧‧ cam
511‧‧‧第一凸輪部 511‧‧‧First Cam Department
512‧‧‧第二凸輪部 512‧‧‧Second cam department
6‧‧‧送紙滾輪組 6‧‧‧Feeding roller set
7‧‧‧出紙滾輪組 7‧‧‧Output roller set
8‧‧‧取紙感應器 8‧‧‧Paper pickup sensor
9‧‧‧掃描感應器 9‧‧‧Scan sensor
圖1為本發明取紙分紙機構的平面示意圖。 Figure 1 is a plan view showing the paper take-up mechanism of the present invention.
圖2為本發明取紙分紙機構的立體圖。 Figure 2 is a perspective view of the paper take-up mechanism of the present invention.
圖3為本發明取紙分紙機構另一角度的立體圖。 Fig. 3 is a perspective view showing another angle of the paper take-up mechanism of the present invention.
圖4為本發明取紙分紙機構的立體分解圖。 Figure 4 is an exploded perspective view of the paper take-up mechanism of the present invention.
圖5為本發明取紙分紙機構另一角度的立體分解圖。 Fig. 5 is an exploded perspective view showing another angle of the paper take-up mechanism of the present invention.
圖6為本發明取紙分紙機構初始狀態的示意圖。 Figure 6 is a schematic view showing the initial state of the paper take-up mechanism of the present invention.
圖7為圖6凸輪動作的示意圖。 Figure 7 is a schematic view of the cam action of Figure 6.
圖8為本發明取紙分紙機構正常取紙狀態的示意圖。 Fig. 8 is a schematic view showing the normal paper take-up state of the paper pick-up mechanism of the present invention.
圖9為圖8凸輪動作的示意圖(一)。 Figure 9 is a schematic view (1) of the cam action of Figure 8.
圖10為圖8凸輪動作的示意圖(二)。 Figure 10 is a schematic view (2) of the cam action of Figure 8.
圖11為本發明取紙分紙機構再增加取紙力狀態的示意圖。 Figure 11 is a schematic view showing the state in which the paper take-up mechanism is further increased in the paper take-up mechanism of the present invention.
圖12為圖11凸輪動作的示意圖。 Figure 12 is a schematic view of the cam action of Figure 11.
圖13為本發明取紙分紙機構回復初始狀態的示意圖。 Figure 13 is a schematic view showing the initial state of the paper take-up mechanism of the present invention.
圖14為本發明取紙分紙機構正常取紙之開始取紙狀態的示意圖。 Figure 14 is a schematic view showing the state in which the paper take-up mechanism of the present invention starts the paper picking at the beginning of the paper pick-up mechanism.
圖15為本發明取紙分紙機構正常取紙之紙頭觸動取紙感應器狀態的示意圖。 Fig. 15 is a schematic view showing the state of the paper take-up sensor of the paper take-up mechanism of the paper pick-up mechanism of the present invention.
圖16為本發明取紙分紙機構正常取紙之紙頭觸動掃描感應器狀態的示意圖。 Fig. 16 is a schematic view showing the state of the paper picking scanning sensor of the paper picking mechanism of the present invention.
請參閱圖1及圖6，本發明提供一種主動式取紙分紙機構，可應用於各種的自動饋紙式掃描器，包括一取紙馬達1、一取紙滾輪組2、一分紙滾輪組3、一取紙壓輪機構4及一傳動機構5，取紙馬達1可以通過傳動機構5連接於取紙滾輪組2、分紙滾輪組3及取紙壓輪機構4，取紙馬達1可通過傳動機構5驅動取紙滾輪組2及分紙滾輪組3轉動，以便帶動紙張進入掃描模組(圖略)進行掃描，而後再由一送紙滾輪組6及一出紙滾輪組7輸出掃描完成的紙張。分紙滾輪組3的一側(下游位置)設有一取紙感應器8，用以控制取紙壓輪機構4的運作。由於取紙馬達1、取紙滾輪組2、分紙滾輪組3、傳動機構5、送紙滾輪組6、出紙滾輪組7及取紙感應器8等構造屬於現有技術，故不予以贅述。 Referring to FIG. 1 and FIG. 6 , the present invention provides an active paper picking and separating mechanism, which can be applied to various automatic paper feeding scanners, including a paper take-out motor 1, a paper take-up roller group 2, and a paper separation roller. Group 3, a paper take-up roller mechanism 4 and a transmission mechanism 5, the paper take-up motor 1 can be connected to the paper take-up roller group 2, the paper separation roller group 3 and the paper take-up roller mechanism 4 through the transmission mechanism 5, and the paper take-up motor 1 The pickup roller group 2 and the separation roller group 3 can be driven to rotate by the transmission mechanism 5, so as to drive the paper into the scanning module (not shown) for scanning, and then output by a paper feed roller group 6 and a paper discharge roller group 7 Scan the finished paper. One side (downstream position) of the separation roller group 3 is provided with a pickup sensor 8 for controlling the operation of the pickup roller mechanism 4. Since the pickup motor 1, the pickup roller group 2, the separation roller group 3, the transmission mechanism 5, the paper feed roller group 6, the paper discharge roller group 7, and the paper take-up sensor 8 are of the prior art, they will not be described again.
請一併參閱圖1至圖5，該取紙壓輪機構4包含一第一傳動件41、一壓輪支架42、一取紙壓輪43、一第二傳動件44及一負載板45。第一傳動件41可為一軸體411，壓輪支架42設置於第一傳動件41上，亦即壓輪支架42可設置於軸體411上。壓輪支架42可設置於第一傳動件41(軸體411)上遠離傳動機構5的一端，取紙壓輪43設置於壓輪支架42上。壓輪支架42及取紙壓輪43 可隨著第一傳動件41同步轉動，進而帶動壓輪支架42及取紙壓輪43上升及下降。第一傳動件41的一端設有一第一從動件46。 Referring to FIG. 1 to FIG. 5 , the paper take-up roller mechanism 4 includes a first transmission member 41 , a pressure roller bracket 42 , a paper take-up pressure roller 43 , a second transmission member 44 , and a load plate 45 . The first transmission member 41 can be a shaft body 411. The pressure wheel bracket 42 is disposed on the first transmission member 41, that is, the pressure roller bracket 42 can be disposed on the shaft body 411. The pressure roller bracket 42 can be disposed on one end of the first transmission member 41 (the shaft body 411) away from the transmission mechanism 5, and the pickup roller 43 is disposed on the pressure roller bracket 42. Pressure roller bracket 42 and paper take-up roller 43 The first transmission member 41 can rotate synchronously, thereby driving the pressure roller bracket 42 and the paper take-up pressure roller 43 to rise and fall. One end of the first transmission member 41 is provided with a first follower 46.
第二傳動件44可為一套筒441，套筒441可套設於軸體411的外部，負載板45連接於第二傳動件44，亦即負載板45可連接於套筒441，負載板45可連接於第二傳動件44(套筒441)上遠離該傳動機構5的一端。負載板45可隨著第二傳動件44同步轉動，進而控制取紙壓輪43的取紙力量。具體而言，壓輪支架42及負載板45之間可設有一彈性元件47，彈性元件47頂抵於壓輪支架42及負載板45，在本實施例中，該彈性元件47為扭簧，其兩端分別頂抵於壓輪支架42及負載板45。當負載板45轉動時，能通過彈性元件47頂抵該壓輪支架42，用以控制取紙壓輪43的取紙力量。第二傳動件44的一端設有一第二從動件48。 The second transmission member 44 can be a sleeve 441. The sleeve 441 can be sleeved on the outside of the shaft body 411. The load plate 45 is connected to the second transmission member 44. That is, the load plate 45 can be connected to the sleeve 441. 45 can be coupled to one end of the second transmission member 44 (sleeve 441) away from the transmission mechanism 5. The load plate 45 can rotate synchronously with the second transmission member 44, thereby controlling the paper take-up force of the pickup roller 43. Specifically, an elastic member 47 is disposed between the pressure roller bracket 42 and the load plate 45. The elastic member 47 abuts against the pressure roller bracket 42 and the load plate 45. In this embodiment, the elastic member 47 is a torsion spring. The two ends thereof are respectively abutted against the pressure roller bracket 42 and the load plate 45. When the load plate 45 is rotated, the pressure roller bracket 42 can be abutted against the pressure roller bracket 42 for controlling the paper take-up force of the paper take-up roller 43. One end of the second transmission member 44 is provided with a second follower 48.
第一從動件46及第二從動件48的構造並不限制，在本實施例中，該第一從動件46為一第一撥桿461，第一撥桿461的一端連接於軸體411的一端，第一撥桿461的另一端設有一第一頂抵部462。該第二從動件48為一第二撥桿481，第二撥桿481的一端連接於套筒441的一端，第二撥桿481的另一端設有一第二頂抵部482。 The configuration of the first follower 46 and the second follower 48 is not limited. In the embodiment, the first follower 46 is a first lever 461, and one end of the first lever 461 is connected to the shaft. One end of the body 411 and the other end of the first lever 461 are provided with a first abutting portion 462. The second follower 48 is a second lever 481. One end of the second lever 481 is connected to one end of the sleeve 441, and the other end of the second lever 481 is provided with a second abutting portion 482.
該傳動機構5的構造並不限制，可包含齒輪組及皮帶輪組等構件，傳動機構5包含有一凸輪51，當取紙馬達1轉動時，可驅動傳動機構5動作，且凸輪51也隨之轉動。該凸輪51具有一第一凸輪部511及一第二凸輪部512，第一從動件46頂抵於第一凸輪部511，能用以控制取紙壓輪43的上升及下降，第二從動件48頂抵於第二凸輪部512，能用以控制取紙壓輪43的取紙力量。具體而言，第一凸輪部511及第二凸輪部512可設於凸輪51相對的兩面，第一頂抵部462頂抵於第一凸輪部511，第一頂抵部462可頂抵於第一凸輪部511的內緣，第二頂抵部482頂抵於第二凸輪部512，第二頂抵部482可頂抵於第二凸輪部512的內緣。 The configuration of the transmission mechanism 5 is not limited, and may include components such as a gear set and a pulley set. The transmission mechanism 5 includes a cam 51. When the pickup motor 1 rotates, the transmission mechanism 5 is driven to operate, and the cam 51 also rotates. . The cam 51 has a first cam portion 511 and a second cam portion 512. The first follower member 46 abuts against the first cam portion 511 and can be used to control the rise and fall of the pick-up roller 43. The movable member 48 abuts against the second cam portion 512 and can be used to control the paper take-up force of the paper take-up roller 43. Specifically, the first cam portion 511 and the second cam portion 512 can be disposed on opposite sides of the cam 51. The first abutting portion 462 abuts against the first cam portion 511, and the first abutting portion 462 can be offset from the first portion. The inner edge of the cam portion 511 , the second abutting portion 482 abuts against the second cam portion 512 , and the second abutting portion 482 can abut against the inner edge of the second cam portion 512 .
是以，當凸輪51沿著順時針或逆時針方向轉動時，第一從動件46及第二從動件48將受到凸輪51的推動，第一從動件46及第二從動件48可分別隨著第一凸輪部511及第二凸輪部512的軌跡，而帶動第一傳動件41及第二傳動件44轉動，進而控制取紙壓輪43的升降及取紙力量。 Therefore, when the cam 51 rotates in the clockwise or counterclockwise direction, the first follower 46 and the second follower 48 will be pushed by the cam 51, the first follower 46 and the second follower 48. The first transmission member 41 and the second transmission member 44 are rotated along with the trajectory of the first cam portion 511 and the second cam portion 512, respectively, thereby controlling the lifting and pulling force of the pickup roller 43 and the pickup force.
請參閱圖6及圖7，為本發明取紙動作的初始狀態，下達取紙命令後，取紙馬達1沿著順時針方向轉動，通過傳動機構5帶動凸輪51沿著順時針方向轉動，此時第一從動件46頂抵於第一凸輪部511上，順著第一凸輪部511的推動，使壓輪支架42及取紙壓輪43下降，以提供取紙滾輪組2的取紙滾輪21正向力(請一併參閱圖1至圖5)。 Referring to FIG. 6 and FIG. 7 , in the initial state of the paper taking operation of the present invention, after the paper picking command is issued, the paper take-up motor 1 rotates clockwise, and the driving mechanism 5 drives the cam 51 to rotate in the clockwise direction. When the first follower 46 abuts against the first cam portion 511, the pressure roller bracket 42 and the paper take-up roller 43 are lowered along the pushing of the first cam portion 511 to provide the paper take-up of the pickup roller group 2. The positive force of the roller 21 (please refer to FIG. 1 to FIG. 5 together).
請參閱圖8及圖9，為本發明取紙動作的正常取紙狀態，當凸輪51沿著順時針方向轉動至一角度(例如120度)時，第一從動件46沿著第一凸輪部511下降，使取紙壓輪43可以碰觸到紙張面或取紙滾輪21，此時壓輪支架42向下擺動一角度(例如40度)，依碰觸到的紙張高度而調整。 Please refer to FIG. 8 and FIG. 9 , which is a normal paper take-out state of the paper taking operation of the present invention. When the cam 51 is rotated clockwise to an angle (for example, 120 degrees), the first follower 46 is along the first cam. The portion 511 is lowered so that the pickup roller 43 can touch the paper surface or the pickup roller 21. At this time, the pressure roller holder 42 is swung downward by an angle (for example, 40 degrees), and is adjusted according to the height of the paper touched.
請參閱圖10，為本發明增加取紙力狀態，當凸輪51沿著順時針方向轉動至另一角度(例如180度)時，第二從動件48沿著第二凸輪部512下降，使負載板45沿著逆時針方向轉動一角度(例如10度)，以通過彈性元件47下壓該壓輪支架42及取紙壓輪43，來增加取紙力量。 Referring to FIG. 10, in the present invention, the paper take-up force state is increased. When the cam 51 is rotated in the clockwise direction to another angle (for example, 180 degrees), the second follower member 48 is lowered along the second cam portion 512, so that The load plate 45 is rotated by an angle (for example, 10 degrees) in the counterclockwise direction to press the pressure roller bracket 42 and the pickup roller 43 by the elastic member 47 to increase the paper take-up force.
請參閱圖11及圖12，為本發明再增加取紙力狀態，當凸輪51沿著順時針方向轉動至又一角度(例如240度)時，第二從動件48沿著第二凸輪部512下降，使負載板45沿著逆時針方向轉動另一角度(例如20度)，以通過彈性元件47下壓該壓輪支架42及取紙壓輪43，來增加取紙力量。 Referring to FIG. 11 and FIG. 12, in another aspect of the present invention, when the cam 51 is rotated in a clockwise direction to another angle (for example, 240 degrees), the second follower 48 is along the second cam portion. The 512 is lowered to rotate the load plate 45 by another angle (for example, 20 degrees) in the counterclockwise direction to press the pressure roller bracket 42 and the pickup roller 43 by the elastic member 47 to increase the paper take-up force.
請參閱圖13，為本發明回復初始狀態，當紙張的前端碰觸到取紙感應器8後，取紙馬達1沿著逆時針方向轉動，通過傳動機 構5帶動凸輪51沿著逆時針方向轉動，第二從動件48順著第二凸輪部512移動，此時負載板45受到彈性元件47回彈力，使負載板45上升至初始位置，第一從動件46順著第一凸輪部511移動，使壓輪支架42及取紙壓輪43上升至初始位置。 Referring to FIG. 13, in the initial state of the present invention, when the front end of the paper touches the paper take-up sensor 8, the paper take-up motor 1 rotates counterclockwise through the conveyor. The mechanism 5 drives the cam 51 to rotate in the counterclockwise direction, and the second follower 48 moves along the second cam portion 512. At this time, the load plate 45 is rebounded by the elastic member 47, causing the load plate 45 to rise to the initial position, first The follower 46 moves along the first cam portion 511 to raise the pressure roller bracket 42 and the pickup roller 43 to the initial position.
以下將進一步說明本發明正常取紙狀態的操作。可將一疊紙張放入取紙滾輪組2及取紙壓輪機構4之間。請參閱圖14，當開始取紙時，取紙馬達1及掃描馬達(圖略)皆沿著順時針方向轉動，並通過傳動機構5及所有滾輪組沿著逆時針方向轉動帶動紙張，且使取紙壓輪機構4下壓提供取紙力量。 The operation of the normal paper take-up state of the present invention will be further explained below. A stack of sheets of paper can be placed between the pickup roller set 2 and the pickup roller mechanism 4. Referring to FIG. 14, when the paper is started, the paper take-up motor 1 and the scanning motor (not shown) rotate in a clockwise direction, and the paper is driven in the counterclockwise direction by the transmission mechanism 5 and all the roller groups, and The paper take-up roller mechanism 4 is pressed down to provide the paper take-up force.
請參閱圖15，為本發明紙頭觸動取紙感應器的狀態，紙張前進後，紙張前端(紙頭)觸動取紙感應器8，取紙馬達1沿著逆時針方向轉動，將取紙壓輪機構4上抬釋放力量，而掃描馬達繼續沿著順時針方向轉動帶動紙張，所有滾輪組繼續帶動紙張前進。 Please refer to FIG. 15 , which is a state in which the paper head touches the paper take-up sensor according to the present invention. After the paper advances, the paper front end (paper head) touches the paper take-up sensor 8 , and the paper take-off motor 1 rotates in the counterclockwise direction to take the paper take-up pressure. The wheel mechanism 4 lifts the release force, and the scanning motor continues to rotate in the clockwise direction to drive the paper, and all the roller groups continue to drive the paper forward.
請參閱圖16，為本發明紙頭觸動掃描感應器的狀態，紙張前進後，紙張前端(紙頭)觸動掃描感應器9，取紙馬達1停止轉動，而掃描馬達繼續沿著順時針方向轉動帶動紙張，此時取紙滾輪組2及分紙滾輪組3停止轉動，送紙滾輪組6及出紙滾輪組7繼續帶動紙張前進。 Referring to FIG. 16, the paper head touches the scanning sensor of the present invention. After the paper advances, the leading end (paper head) of the paper touches the scanning sensor 9, the paper taking motor 1 stops rotating, and the scanning motor continues to rotate in the clockwise direction. When the paper is driven, the paper take-up roller group 2 and the paper feed roller group 3 stop rotating, and the paper feed roller group 6 and the paper discharge roller group 7 continue to drive the paper forward.
當紙張的後端(紙尾)脫離取紙感應器8，取紙馬達1及掃描馬達皆沿著順時針方向轉動繼續下一張取紙送紙的動作。當最後一張送紙時，取紙馬達1及掃描馬達皆沿著順時針方向轉動，並通過傳動機構5及所有滾輪組沿著逆時針方向轉動帶動紙張，進行最後一張取紙送紙的動作。當紙張完全排出後，掃描馬達停止轉動，而取紙馬達1沿著逆時針方向轉動，將取紙壓輪機構4上抬至最高點，回復初始狀態。 When the trailing end (paper tail) of the paper is separated from the paper take-up sensor 8, the paper take-up motor 1 and the scanning motor are all rotated in the clockwise direction to continue the next paper-feeding operation. When the last sheet is fed, the pickup motor 1 and the scanning motor rotate in a clockwise direction, and the paper is driven in the counterclockwise direction by the transmission mechanism 5 and all the roller groups, and the last sheet of paper is fed. action. When the paper is completely discharged, the scanning motor stops rotating, and the pickup motor 1 rotates in the counterclockwise direction, and the pickup roller mechanism 4 is lifted up to the highest point to return to the initial state.
以下將進一步說明本發明發生不取紙狀態的操作。可將一疊紙張放入取紙滾輪組2及取紙壓輪機構4之間。當本發明開始取紙時，取紙馬達1及掃描馬達皆沿著順時針方向轉動，並通過傳 動機構5及所有滾輪組沿著逆時針方向轉動帶動紙張，且使取紙壓輪機構4下壓提供取紙力量。 The operation of the present invention in the state in which no paper is taken out will be further explained below. A stack of sheets of paper can be placed between the pickup roller set 2 and the pickup roller mechanism 4. When the present invention starts to take a paper, the paper take-up motor 1 and the scanning motor both rotate in a clockwise direction and pass through The moving mechanism 5 and all the roller sets rotate in the counterclockwise direction to drive the paper, and the paper take-up roller mechanism 4 is pressed down to provide the paper taking force.
當經過一段時間，紙張前端(紙頭)未觸動取紙感應器8，發生取紙力不夠，取紙馬達1持續沿著順時針方向轉動，當凸輪51沿著順時針方向轉動至一角度(例如180度)時，第二從動件48沿著第二凸輪部512下降，使負載板45沿著逆時針方向轉動一角度(例如10度)，以通過彈性元件47下壓該壓輪支架42及取紙壓輪43，來增加取紙力量。 When the paper leading end (paper head) does not touch the paper take-up sensor 8 over a period of time, the paper take-up force is insufficient, and the paper take-up motor 1 continues to rotate in the clockwise direction, when the cam 51 is rotated clockwise to an angle ( For example, 180 degrees), the second follower 48 descends along the second cam portion 512, causing the load plate 45 to rotate an angle (for example, 10 degrees) in the counterclockwise direction to press the pressure wheel bracket through the elastic member 47. 42 and the paper take-up roller 43 to increase the paper take-up force.
若是紙張前端(紙頭)還是未觸動取紙感應器8，取紙馬達1持續沿著順時針方向轉動，帶動凸輪51沿著順時針方向轉動至另一角度(例如240度)時，第二從動件48沿著第二凸輪部512下降，使負載板45沿著逆時針方向轉動另一角度(例如20度)，以通過彈性元件47下壓該壓輪支架42及取紙壓輪43，來增加取紙力量。 If the leading end (paper head) of the paper or the pickup sensor 8 is not activated, the pickup motor 1 continues to rotate in the clockwise direction, and when the cam 51 is rotated in the clockwise direction to another angle (for example, 240 degrees), the second The follower 48 is lowered along the second cam portion 512 to rotate the load plate 45 by another angle (for example, 20 degrees) in the counterclockwise direction to press the pressure roller bracket 42 and the pickup roller 43 by the elastic member 47. To increase the power of paper extraction.
若是紙張前端(紙頭)最後仍未觸動取紙感應器8，則傳送取紙失敗的訊息到系統告知使用者，同時掃描馬達停止，取紙馬達1沿著逆時針方向轉動，通過傳動機構5帶動凸輪51沿著逆時針方向轉動，第二從動件48順著第二凸輪部512移動，此時負載板45受到彈性元件47回彈力，使負載板45上升釋放力量，將取紙壓輪機構4上抬至最高點，回復初始狀態。 If the paper leading end (paper head) has not yet touched the paper take-up sensor 8, the message of the paper-failure failure is transmitted to the system to inform the user, while the scanning motor is stopped, the paper-taking motor 1 is rotated in the counterclockwise direction, and the transmission mechanism 5 is passed. The driving cam 51 rotates in the counterclockwise direction, and the second follower 48 moves along the second cam portion 512. At this time, the load plate 45 is rebounded by the elastic member 47, causing the load plate 45 to rise and release the force, and the paper take-up roller The mechanism 4 is lifted to the highest point and returns to the initial state.
本發明的取紙壓輪機構包含有第一傳動件、壓輪支架、取紙壓輪、第二傳動件及負載板，第一傳動件的一端設有第一從動件，第二傳動件的一端設有第二從動件。傳動機構包含有凸輪，凸輪具有第一凸輪部及第二凸輪部，第一從動件頂抵於第一凸輪部，能用以控制取紙壓輪的上升及下降，第二從動件頂抵於第二凸輪部，能用以控制取紙壓輪的取紙力量。是以，當發生取紙失敗時，取紙馬達會驅動傳動機構透過凸輪的第一凸輪部及第二凸輪部，使壓輪支架及取紙壓輪再次下降，用以提供更大的取紙下壓力 量，達到增加成功取紙機會。 The paper take-up roller mechanism of the present invention comprises a first transmission member, a pressure roller bracket, a paper take-up pressure wheel, a second transmission member and a load plate. One end of the first transmission member is provided with a first driven member, and the second transmission member One end is provided with a second follower. The transmission mechanism includes a cam, the cam has a first cam portion and a second cam portion, and the first follower member abuts against the first cam portion, and can be used for controlling the rise and fall of the paper take-up roller, and the second follower top The second cam portion can be used to control the paper take-up force of the paper take-up roller. Therefore, when the paper picking failure occurs, the paper take-up motor drives the transmission mechanism to pass through the first cam portion and the second cam portion of the cam, so that the pressure roller bracket and the paper take-up roller are lowered again to provide a larger paper take-up. Downforce Amount, to increase the chances of successful paper picking.
以上所述僅為本發明之優選實施例，非意欲侷限本發明的專利保護範圍，故凡運用本發明說明書及附圖內容所為的等效變化，均同理皆包含於本發明的權利保護範圍內，合予陳明。 The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the equivalent changes of the present invention and the contents of the drawings are all included in the scope of protection of the present invention. Within, combined with Chen Ming.
4‧‧‧取紙壓輪機構 4‧‧‧Picking roller mechanism
41‧‧‧第一傳動件 41‧‧‧First transmission parts
411‧‧‧軸體 411‧‧‧Axis body
42‧‧‧壓輪支架 42‧‧‧pressure wheel bracket
43‧‧‧取紙壓輪 43‧‧‧Picking roller
44‧‧‧第二傳動件 44‧‧‧Second transmission parts
441‧‧‧套筒 441‧‧‧ sleeve
45‧‧‧負載板 45‧‧‧ load board
46‧‧‧第一從動件 46‧‧‧First follower
461‧‧‧第一撥桿 461‧‧‧first pole
462‧‧‧第一頂抵部 462‧‧‧First Abutment
5‧‧‧傳動機構 5‧‧‧Transmission mechanism
51‧‧‧凸輪 51‧‧‧ cam
511‧‧‧第一凸輪部 511‧‧‧First Cam Department
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| TW105128443A TWI608981B (en) | 2016-09-02 | 2016-09-02 | Active paper pickup and separation mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105128443A TWI608981B (en) | 2016-09-02 | 2016-09-02 | Active paper pickup and separation mechanism |
Publications (2)
| Publication Number | Publication Date |
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| TWI608981B true TWI608981B (en) | 2017-12-21 |
| TW201811649A TW201811649A (en) | 2018-04-01 |
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| TW105128443A TWI608981B (en) | 2016-09-02 | 2016-09-02 | Active paper pickup and separation mechanism |
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| TWI670183B (en) * | 2018-09-27 | 2019-09-01 | 大陸商光寶電子（廣州）有限公司 | scanner |
| CN110958356B (en) | 2018-09-27 | 2022-01-25 | 光宝电子(广州)有限公司 | Scanner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200924982A (en) * | 2007-12-03 | 2009-06-16 | Silitek Electronic Guangzhou | De-skew mechanism |
| TW201121868A (en) * | 2009-12-25 | 2011-07-01 | Primax Electronics Ltd | Retard roller and retard roller module using the same |
| CN103183244A (en) * | 2012-01-03 | 2013-07-03 | 三星电子株式会社 | Paper feeding apparatus and image forming apparatus adopting the same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200924982A (en) * | 2007-12-03 | 2009-06-16 | Silitek Electronic Guangzhou | De-skew mechanism |
| TW201121868A (en) * | 2009-12-25 | 2011-07-01 | Primax Electronics Ltd | Retard roller and retard roller module using the same |
| CN103183244A (en) * | 2012-01-03 | 2013-07-03 | 三星电子株式会社 | Paper feeding apparatus and image forming apparatus adopting the same |
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