TW201607774A - Stopper mechanism and the feeding system using the same - Google Patents

Abstract

A stopper system comprises a base, a stopper mechanism and a feeding roller. An accommodating space is defined by the stopper mechanism and the base for receiving a media thereof. The stopper mechanism comprises a case, a rotating arm, a guiding plate, a stop device, a stopper and a position-limiting device. The case has a guiding slot. A first end portion of the rotating arm is pivoted on the case. The guiding plate is disposed on a second end portion of the rotating arm. The stopper device is pivoted on the case. The stopper part is extended from the stopper device and serially driven by the stopper device. The position-limiting device has a sustain portion and a main portion, and the position-limiting device is pivoted on a positioning shaft hole. The sustain portion is slidably sustained against the guiding plate. The main portion comprises a sustain member, and the sustain member is detachably sustained against the guiding slot. The media is led to the first end portion from the second end portion by the feeding roller.

Description

Stop mechanism and its suitable feeding system 【0001】

The present invention relates to a stopping mechanism, and more particularly to a stopping mechanism capable of improving the efficiency of feeding a medium to be processed and a feeding system therefor.

【0002】

As the demand for image printing and scanning increases, the efficiency of feeding the media to be processed is improved to facilitate image printing and scanning operations. To effectively increase the efficiency of the feed media job, it is desirable to simultaneously increase the speed at which the feed system delivers media and increase the weight of the media that the feed system can withstand.

[0003]

Please refer to Figure 1, which is a schematic diagram of a conventional feeding system. As shown in FIG. 1, the conventional feeding system 1 includes a base 10 and a stopping mechanism 11 including a housing 110, a feeding tray 111, a feeding roller 112, an extending arm 113, a stopping device 114, and a fulcrum 115. . The feeding tray 111 is pivotally disposed on the housing 110, and the fulcrum 115 is fixedly disposed on the middle portion of the extending arm 113. One end of the extending arm 113 is pivotally disposed on the feeding tray 111, and the stopping device 114 is fixedly disposed on the extending arm 113. The other end, and the latch 1140 of the stopping device 114 abut against the guiding slot 1100 of the housing 110. When the medium P, for example, paper is placed in the feeding system 1, the medium P abuts against the stopping device 114, and the stopping device 114 is pressed against the guiding groove 1100 of the housing 110 by the pin 1140 to restrict the media P from entering the feeding system. 1 inside. When the feed tray 111 approaches in the direction of the base 10, one end of the extension arm 113 descends with the feed tray 111, and the extension arm 113 is lifted by the fulcrum 115 and the other end thereof is lifted, whereby the extension arm 113 drives the stopper The device 114 is raised such that the media P is no longer restricted by the blocking device 114 and the media P can be brought into the feeding system 1 by the feed roller 112.

[0004]

However, in the conventional feeding system 1, the height that the stopping device 114 can lift determines the amount of the medium to be processed that the feeding system 1 can hold, and the height at which the stopping device 114 is lifted is limited by the feeding tray 111. The distance that can be lowered. As the number of media to be processed increases, the thickness of the media also increases, forcing the distance that the feed tray 111 can be lowered is limited, possibly causing the stop device 114 to be unable to leave the feed path, causing the feed media to fail. In addition, if the upper limit of the number of media to be processed that the feeding system can accommodate increases, the maximum weight of the media increases, forcing the latch 1140 of the blocking device 114 to withstand a large positive force, and due to the blocking device 114 The length also needs to be appropriately lengthened in accordance with the upper limit of the number of media to be processed, so that the positive force received by the stopping device 114 is increased, further causing the frictional force that the blocking device 114 must overcome to exceed the load of the feeding system 1, resulting in feeding. System 1 is faulty.

[0005]

Referring to FIG. 1 again, in the conventional delivery system 1, the base 10 has a bottom groove 100, and the stopping device 114 can partially abut against the bottom groove 100, thereby dispersing the positive direction concentrated on the pin 1140. force. However, since the bottom groove 100 of the base 10 is generally narrow, the stopping device 114 may be unable to be returned, resulting in an inability to effectively block the media, so that the media to be processed may not enter the device in accordance with the program, and feeding errors may occur. problem.

[0006]

In view of this, how to develop a stop mechanism and its applicable feeding system to solve the lack of conventional technology is an urgent problem to be solved by those skilled in the related art.

【0007】

The purpose of the present invention is to provide a stopping mechanism and a feeding system therefor, which utilize a stopping device pivoted to the housing and a stopping portion thereof, and a limiting device pivoted to the stopping device and the guiding groove of the housing. Cooperate with each other to prevent the friction caused by the weight of the media from acting on the stopping device to solve the problems of feeding failure, error or system failure when the conventional feeding system increases the number of media to be processed.

[0008]

Another object of the present invention is to provide a stopping mechanism and a feeding system therefor, which utilize a stopping device pivoted to the housing and a stopping portion thereof, and a guiding device and a housing pivoted to the stopping device The grooves cooperate with each other to cause the friction caused by the weight of the medium to act on the limiting device to prevent the torque caused by the friction from being enlarged as the size of the stopping device increases, and to increase the number of media to be handled that can be accommodated. And improve the efficiency of the feed media and other effects.

【0009】

In order to achieve the above object, a wider aspect of the present invention provides a stopping mechanism including a housing, a rotating arm, a guide, a stopping device, a stopping portion and a limiting device. The housing has a guide slot, and the rotating arm has opposite first and second ends, wherein the first end is pivotally mounted to the housing. The guide plate is disposed at the second end of the rotating arm. The stopping device is pivoted to the housing, and the stopping device has a positioning shaft hole. The stop extends from the stop and is interlocked with the stop. The limiting device has a top portion and a body portion. The limiting device is pivoted on the positioning shaft hole of the stopping device such that the positioning shaft hole is located between the abutting top portion and the body portion, and the top portion slidably abuts against the guiding plate. Wherein, the body portion includes an abutting element, and the abutting element is detachably abutted against the guiding groove.

[0010]

To achieve the above object, another broader aspect of the present invention is to provide a feeding system including a base, a stop mechanism, and a feed roller. The stopping mechanism and the base define a receiving groove to accommodate at least one medium by the receiving groove. The stopping mechanism includes a housing, a rotating arm, a guide, a stopping device, a stopping portion and a limiting device. The housing has a guide slot, and the rotating arm has opposite first and second ends, wherein the first end is pivotally mounted to the housing. The guide plate is disposed at the second end of the rotating arm. The stopping device is pivoted to the housing, and the stopping device has a positioning shaft hole. The stop extends from the stop and is interlocked with the stop. The limiting device has a top portion and a body portion. The limiting device is pivoted on the positioning shaft hole of the stopping device such that the positioning shaft hole is located between the abutting top portion and the body portion, and the top portion slidably abuts against the guiding plate. Wherein, the body portion includes an abutting element, and the abutting element is detachably abutted against the guiding groove. A feed roller is pivoted to the second end of the rotating arm to guide the media to the first end of the rotating arm by the feed roller.

[0028]

1, 2‧‧‧feeding system

10, 3‧‧‧ Pedestal

100, 30‧‧‧ bottom groove

11, 4‧‧‧ stop mechanism

110, 40‧‧‧ housing

1100, 400‧‧

111‧‧‧feeding tray

112, 6‧‧‧ Feeding wheel

113, 452‧‧‧ extension arm

114‧‧‧stop device

1140‧‧‧Latch

115‧‧‧ fulcrum

4000‧‧‧Bottom

4001‧‧‧ side wall

4002‧‧‧Sloping side wall

41‧‧‧Rotating arm

411‧‧‧ first end

412‧‧‧ second end

42‧‧‧ Guide

420‧‧‧ first section

421‧‧‧second section

43‧‧‧stop device

430‧‧‧ Positioning shaft hole

431‧‧‧hanging components

44‧‧‧stops

45‧‧‧Limiting device

450‧‧‧ arrive at the top

451‧‧‧ Body Department

453‧‧‧Abutment component

5‧‧‧ accommodating slots

7‧‧‧Guide roller

F1‧‧‧ first force

F2‧‧‧second force

L1‧‧‧First shaft

L2‧‧‧second shaft

L3‧‧‧ third shaft

L4‧‧‧4th shaft

P, P1, P2‧‧‧ media

R‧‧‧ Feeding path

Θ1‧‧‧ angle

[0011]

Figure 1 is a schematic diagram of a conventional feed system.

Figure 2 is a schematic diagram of a feeding system of the preferred embodiment of the present invention.

Figure 3 is an exploded view of the detail structure of the stop mechanism of this case.

4A to 4E are schematic views showing the decomposition operation of the feeding system of the preferred embodiment of the present invention.

[0012]

Some exemplary embodiments embodying the features and advantages of the present invention are described in detail in the following description. It is to be understood that the present invention is capable of various modifications in various aspects, and is not intended to limit the scope of the invention.

[0013]

Please refer to FIG. 2 and FIG. 3, which is a schematic diagram of the feeding system of the preferred embodiment of the present invention; and FIG. 3 is an exploded view of the detailed structure of the stopping mechanism of the present invention. As shown in Figures 2 and 3, the feeding system 2 of the present invention is suitable for a device for automatically feeding media, which may be, but not limited to, a printing device or a scanning device. The feed system 2 includes a base 3 and a stop mechanism 4. The accommodating groove 5 is defined between the pedestal 3 and the stopping mechanism 4 to accommodate the medium P to be processed (as shown in FIG. 4A ). The medium P can be, but not limited to, paper. Or photos and other items. Therein, the accommodating groove 5 includes a feeding path R which can be guided to the inside of the scanning device or the printing device via the feeding path R when the feeding system 2 performs a feeding media operation.

[0014]

Referring to FIGS. 2 and 3 again, the stopping mechanism 4 includes a housing 40, a rotating arm 41, a guide 42, a stopping device 43, a stopping portion 44, and a limiting device 45. The rotating arm 41 has a first end portion 411 and a second end portion 412 opposite to the first end portion 411, and the first end portion 411 of the rotating arm 41 is pivotally disposed on the housing 40, so that the rotating arm 41 can be the housing 40 The first rotating shaft L1 is a shaft rotation. Further, the housing 40 has a guide groove 400 to limit the movable range of the limiting device 45 and guide the position limiting device 45 to move along the guide groove 400.

[0015]

In this embodiment, the feeding roller 6 is pivotally disposed at the second end portion 412 of the rotating arm 41, the guiding roller 7 is pivotally disposed at the first end portion 411 of the rotating arm 41, and the feeding roller 6 can rotate the second end of the arm 41. The rotation axis L2 is a shaft rotation, and the guide roller 7 can be rotated about the first rotation axis L1. The second rotating shaft L2 is displaced along with the second end portion 412 of the rotating arm 41. Thereby, when the rotating arm 41 rotates about the first rotating shaft L1 and approaches and contacts the medium P (as shown in FIGS. 4B to 4E), the feeding roller 6 can push the medium P with which it is contacted, The medium P to be processed placed in the accommodating groove 5 is pushed to the guide roller 7 via the feeding path R, and is guided to the scanning device or the printing device by the guide roller 7.

[0016]

Next, the guide plate 42 is disposed on the second end portion 412 of the rotating arm 41, and the limiting device 45 partially abuts against the guide plate 42 to slide the limiting device 45 along the guide plate 42 and perform corresponding rotation. In this embodiment, the guide plate 42 includes a first section 420 and a second section 421, and an angle θ1 between the first section 420 and the second section 421 (as shown in FIG. 3) is Obtuse angle. In a preferred embodiment, the first section 420 and the second section 421 of the guide 42 are disposed adjacent to the second rotating shaft L2 of the rotating arm 41 for better space utilization.

[0017]

As shown in FIG. 2, the stopping device 43 is pivotally mounted to the housing 40 such that the third rotating shaft L3 of the blocking device 43 on the housing 40 is pivoted. The stopping portion 44 extends from the stopping device 43 and can be interlocked with the stopping device 43. When the stopping device 43 is rotated by a specific angle (not shown) with the third rotating shaft L3 as the axis, the stopping portion 44 is also At the same time, the specific angle is rotated with the third rotation axis L3 as the axis. In a preferred embodiment, the stopping device 43 and the stopping portion 44 are integrally formed, but are not limited thereto.

[0018]

As shown in FIG. 2, the stopping device 43 has a positioning shaft hole 430, and the limiting device 45 has an abutting portion 450, a body portion 451 and an extending arm 452, wherein the body portion 451 further includes an abutting member 453 and is abutted. The element 453 is detachably abutted against the channel 400 of the housing 40. The limiting device 45 is pivotally disposed on the positioning shaft hole 430 of the stopping device 43 such that the positioning shaft hole 430 is located between the abutting portion 450 and the body portion 451, and the abutting portion 450 is slidably abutted against the guiding plate 42 when rotating When the arm 41 rotates along the first rotating shaft L1, the guiding plate 42 at the second end portion 412 of the rotating arm 41 drives the abutting portion 450 of the limiting device 45 to slide along the guide plate 42 and can be slid by the top portion 450. The stopper device 45 as a whole is rotated about the fourth rotation axis L4 of the stopper device 43 as an axis. The fourth rotating shaft L4 is the axis of the positioning shaft hole 430, and the positioning shaft hole 430 is located between the third rotating shaft L3 and the stopping portion 44, that is, when the stopping device 43 rotates along the third rotating shaft L3, the fourth rotating shaft L4 will also be displaced along with the stop means 43. In the present embodiment, the extension arm 452 of the limiting device 45 extends from the body portion 451 and is opposite to the abutting portion 450, and is preferably designed to extend the arm 452 perpendicular to the body portion 451, thereby increasing the limiting device 45 at a first The direction of rotation, such as the moment in the clockwise direction, raises the reset speed of the limit device 45. In addition, the abutting member 453 of the limiting device 45 can be detachably abutted against the guiding slot 400 of the housing 40, and preferably the shortest distance from the abutting member 453 of the limiting device 45 to the positioning shaft hole 430 is greater than the positioning shaft hole. 430 to the longest distance of the limiting device 45 against the top 450, thereby further increasing the reset speed of the limiting device 45.

[0019]

In the present embodiment, the guide groove 400 includes a substantially horizontal bottom edge 4000 and a sidewall 4001 substantially perpendicular to the bottom edge 4000, and the abutting member 453 of the limiting device 45 is detachably abutted against the guiding groove 400. Bottom edge 4000 or side wall 4001. In a preferred embodiment, the blocking device 43 includes a hanging element 431, and the base 3 includes a bottom recess 30, wherein the hanging element 431 is detachably abutted against the bottom edge 4000 of the guiding slot 400, and the bottom recess 30 The front end of the feeding path R is located, so that the blocking device 43 and the stopping portion 44 can be abutted against the bottom edge 4000 of the guiding slot 400 by the hanging member 431 when the receiving medium 5 does not receive any medium to be processed. The engaging stop portion 44 abuts against the bottom recess 30 to stop the stopping device 43 and the stopping portion 44 in an initial position, preventing the blocking portion 44 from being turned over to the wrong position to prevent the feeding system from malfunctioning.

[0020]

Referring to FIG. 2 again, in conjunction with FIG. 3, when the abutting portion 45 of the limiting device 45 abuts against the first portion 420 of the guiding plate 42, the extension line formed by the abutting member 453 and the positioning shaft hole 430 ( Not shown) is substantially perpendicular to the side wall 4001 of the guide groove 400, and the extension line formed by the axis of the first rotation axis L1 to the positioning shaft hole 430 is also substantially perpendicular to the extension line formed by the abutting member 453 and the positioning shaft hole 430. At this time, the positive force applied to the limiting device 45 by the side wall 4001 passes through the positioning shaft hole 430, so the positive force applied to the limiting device 45 cannot generate an effective torque to rotate the limiting device 45 to further limit the stopping. The portion 44 rotates. Thereby, the guiding plate 42 cooperates with the guiding groove 400 to limit the rotation of the limiting device 45 and the stopping portion 44 in the second rotation direction, for example, counterclockwise direction, so as to continuously block the to-be-processed medium P and avoid the to-be-processed medium. P arbitrarily enters the role of the feeding path R. For example, when the media P to be processed is placed in the accommodating slot 5, the media P will be slightly rotated in the counterclockwise direction by the gravity, so that the abutting member 453 of the limiting device 45 is placed against the guide. The side wall 4001 of the slot 400, and the abutting portion 450 of the limiting device 45 abuts against the first portion 420 of the guiding plate 42, so that the abutting member 453 of the limiting device 45 and the positioning shaft hole 430 of the stopping device 45 are The formed extension line is substantially perpendicular to the side wall 4001 of the guiding slot 400. Therefore, the positive force applied to the limiting device 45 passes through the positioning shaft hole 430, so that the stopping portion 44 and the limiting device 45 cannot rotate, so that the media P is stationary. In the accommodating groove 5, the feeding path R cannot be entered.

[0021]

4A to 4E are schematic views showing the decomposition operation of the feeding system of the preferred embodiment of the present invention. As shown in FIG. 4A, the accommodating groove 5 is partially inclined. When the feeding system 2 has not been activated, that is, when the feeding system 2 is in the state of continuously stopping the medium, the to-be-processed media P placed in the accommodating groove 5 will be Applying a first force F1 to the stopping portion 44 due to gravity, wherein the weight of the medium to be processed is positively correlated with the first force generated, that is, as the weight of the media to be processed is larger, the A force F1 is also larger. In this state, the abutting portion 450 of the limiting device 45 abuts against the first portion 420 of the guiding plate 42 , and the abutting member 453 of the limiting device 45 abuts against the sidewall 4001 of the guiding slot 400 , so that the guiding slot 400 A second force F2 is generated to resist the first force F1 generated by the medium P. Since the extension line formed by the abutting member 453 and the positioning shaft hole 430 is substantially perpendicular to the side wall 4001 of the guiding groove 400, the second force F2 cannot generate an effective torque to rotate the limiting device 45, and therefore, through the positioning shaft hole 430 and The stop device 43 connected to the limiting device 45 is also free to rotate, and further restricts the rotation of the blocking portion 44 in conjunction with the stopping device 43 to restrict the to-be-processed media P from entering the feeding path R by the stopping portion 44. Stop the role of the media.

[0022]

As shown in Fig. 4B, when the feeding system 2 is activated, the rotating arm 41 is rotated in the counterclockwise direction with the first rotating shaft L1 as the axis, so that the second end portion 412 of the rotating arm 41 approaches the medium P to be processed. When the second end portion 412 of the rotating arm 41 approaches the medium to be treated P, the guide plate 42 disposed at the second end portion 412 is pushed against the top portion 450 of the limiting device 45 to slide on the guide plate 42. Then, after the second end 412 of the rotating arm 41 is lowered by a certain distance, the abutting portion 450 of the limiting device 45 slides from the first section 420 of the guiding plate 42 to the second section 421, and simultaneously causes the limiting device. The whole body 45 rotates in a second rotation direction with the positioning shaft hole 430 as an axis, for example, counterclockwise, lifting the limiting device 45 to a first height, and the axis of the first rotating shaft L1 to the positioning shaft hole The extension line formed by 430 is no longer perpendicular to the extension line formed by the abutment member 453 and the positioning shaft hole 430 to allow the stopper portion 44 to freely rotate in the second direction. In a preferred embodiment, the first height is greater than or equal to the length of the sidewall 4001, but is not limited thereto. Therefore, the frictional force caused by the weight of the to-be-processed media P in the accommodating groove 5 is applied to the limiting device 45 by the limiting device 45 pivotally disposed on the stopping device 43. Therefore, the media to be processed P The weight does not affect the stopping device 43 and its stopping portion 44, so as to prevent the torque caused by the frictional force from being enlarged due to the increase in the size of the stopping device 43 and the stopping portion 44, and therefore the stopping mechanism of the present invention is utilized. 4 can increase the size of the blocking portion 44, and increase the number of media to be handled that can be accommodated, thereby achieving the effect of improving the feeding efficiency.

[0023]

Then, as shown in FIG. 4C, when the feeding roller 6 disposed at the second end portion 412 of the rotating arm 41 contacts the uppermost layer of the to-be-processed medium P1, the feeding roller 6 rotates and pushes with the second rotating shaft L2 as an axis. The medium P1 in contact therewith causes the stopper portion 44 to be rotated by the medium P1 in the second rotation direction, for example, counterclockwise. In this embodiment, the second direction of rotation is opposite to the first direction of rotation. After the stopper 44 is rotated by a certain angle, the medium P1 pushes the stopper 44 and pushes it to the guide roller 7 via the feeding path R, and then enters the scanning device or the printing device. In a preferred embodiment, the guiding groove 400 further includes a slanting side wall 4002, and the slanting side wall 4002 is adjacent to the side wall 4001 and has an obtuse angle with the side wall 4001. When the medium P1 pushes the stopping portion 44, the limiting device 45 The abutting member 452 is slidable to the inclined side wall 4002 to make the movement cooperation between the stopping device 43, the stopping portion 44 and the limiting device 45 smoother.

[0024]

Then, as shown in FIG. 4D, when the medium P1 pushes the stopper 44 and completely enters the scanning device or the printing device, the stopper portion 44 is rotated in the first rotation direction by gravity, so that the stopper is blocked. The portion 44 again withstands the other media P to be processed, and avoids the case where additional media enters the scanning device or the printing device, causing an error in the feeding order of the media to be processed. Then, the second end portion 412 of the rotating arm 41 rotates in the first rotation direction with the first rotating shaft L1 as the axis, so that the second end portion 412 of the rotating arm 41 is away from the medium P and returns to the block as shown in FIG. 4A. Stop the status of the media to be processed and complete the feed media program.

[0025]

Similarly, as shown in FIG. 4E, after repeating the steps of FIGS. 4A to 4D several times, when only one piece of the media P2 to be processed is left and the feeding system 2 is activated, the rotating arm 41 is also along the same The two rotation directions are rotated such that the second end portion 412 of the rotating arm 41 approaches the medium P2. Compared with the state shown in FIG. 4C, the second end portion 412 of the rotating arm 41 shown in FIG. 4E has a relatively large distance. Therefore, the second portion 421 of the guide plate 42 must be fitted to the second end portion. The distance of the 412 drop is provided with a sufficient length such that the abutment portion 45 of the retaining device 45 continues to abut against the guide 42.

[0026]

In summary, the stopping mechanism of the present invention and the applicable feeding system thereof can utilize the stopping device pivoted to the housing and the stopping portion thereof, and the guiding device pivoted to the limiting device and the housing of the blocking device The mutual cooperation makes the friction caused by the weight of the media act on the limiting device, and the weight of the medium to be treated does not affect the stopping device and its stopping portion, so as to avoid the torque caused by the friction. The size of the device is increased and enlarged, thereby increasing the number of media that can be accommodated and improving the efficiency of feeding the media to be processed.

[0027]

This case has been modified by people who are familiar with the technology, but it is not intended to be protected by the scope of the patent application.

2‧‧‧feeding system

3‧‧‧Base

4‧‧‧stop mechanism

40‧‧‧shell

400‧‧‧guide

4000‧‧‧Bottom

4001‧‧‧ side wall

4002‧‧‧Sloping side wall

41‧‧‧Rotating arm

411‧‧‧ first end

412‧‧‧ second end

42‧‧‧ Guide

420‧‧‧ first section

421‧‧‧second section

43‧‧‧stop device

430‧‧‧ Positioning shaft hole

431‧‧‧hanging components

44‧‧‧stops

45‧‧‧Limiting device

450‧‧‧ arrive at the top

451‧‧‧ Body Department

452‧‧‧Extension arm

453‧‧‧Abutment component

5‧‧‧ accommodating slots

6‧‧‧Feed roller

L1‧‧‧First shaft

L2‧‧‧second shaft

L3‧‧‧ third shaft

L4‧‧‧4th shaft

R‧‧‧ Feeding path

Claims (10)

[Item 1] A stopping mechanism comprising:
a housing having a guide groove;
a rotating arm having a first end portion and a second end portion, wherein the first end portion is pivotally disposed on the housing;
a guide plate disposed at the second end of the rotating arm;
a blocking device is pivotally disposed on the housing, and the stopping device has a positioning shaft hole;
a stop portion extending from the stopping device and interlocking with the stopping device; and a limiting device having an abutting top portion and a body portion pivotally disposed on the positioning shaft of the stopping device a hole such that the positioning shaft hole is located between the abutting top and the body portion, and the abutting top slidably abuts against the guide plate, wherein the body portion includes an abutting member, the abutting member is detachably Reaching the guide groove. [Item 2] The blocking mechanism of claim 1, wherein the guiding plate comprises a first section and a second section, and an obtuse angle is formed between the first section and the second section. [Item 3] The blocking mechanism of claim 2, wherein the guiding groove further comprises a bottom edge and a side wall, and the abutting element of the limiting device is detachably abutting against the bottom edge of the guiding groove Or the side wall. [Item 4] The stopping mechanism of claim 3, wherein the stopping device further comprises a hanging element detachably abutting against the bottom edge of the guiding groove. [Item 5] The stopping mechanism of claim 3, wherein when the abutting top of the limiting device abuts against the first section of the guiding plate, the positioning shaft hole of the stopping device and the limit The abutting element of the bit device forms an extension line perpendicular to the side wall of the guiding groove, and restricts the rotation of the limiting device and the stopping portion in a rotating direction. [Item 6] The stopping mechanism of claim 5, wherein when the rotating arm rotates in the rotating direction, the abutting top of the limiting device is slid from the first section of the guiding plate to the second zone And the limiting device rotates with the positioning shaft hole as an axis, and the abutting element of the limiting device is separated from the sidewall of the guiding slot. [Item 7] The stopping mechanism of claim 1, wherein the limiting device further comprises an extending arm extending from the body portion and opposite to the abutting top, wherein the extending arm is perpendicular to the body portion. [Item 8] The stopping mechanism of claim 1, wherein the shortest distance of the abutting element of the limiting device to the positioning shaft hole is greater than the longest distance from the positioning shaft hole to the abutting top of the limiting device. [Item 9] A feeding system comprising:
a pedestal
a blocking mechanism, together with the base, defines a receiving slot for receiving at least one medium, the stopping mechanism comprising:
a housing having a guide groove;
a rotating arm having a first end portion and a second end portion, wherein the first end portion is pivotally disposed on the housing;
a guide plate disposed at the second end of the rotating arm;
a blocking device is pivotally disposed on the housing, and the stopping device has a positioning shaft hole;
a stop portion extending from the stopping device and interlocking with the stopping device; and a limiting device having an abutting top portion and a body portion pivotally disposed on the positioning shaft of the stopping device a hole such that the positioning shaft hole is located between the abutting top and the body portion, and the abutting top slidably abuts against the guide plate, wherein the body portion includes an abutting member, the abutting member is detachably Abutting the guide slot; and a feed roller pivotally disposed at the second end of the swivel arm, wherein the feed roller guides the media to the first end of the swivel arm. [Item 10] The feeding system of claim 9, wherein the guiding plate comprises a first section and a second section, and the first section and the second section are adjacent to one of the feeding rollers The rotating shaft is disposed, and an obtuse angle is formed between the first section and the second section.