CN102529429B - Paper feeding device and business machine - Google Patents

Abstract

The invention provides a paper feeding device and an office machine. The paper feeding device comprises a base, a transmission shaft, a limiting piece and a stopping element, wherein the transmission shaft, the limiting piece and the stopping element are arranged in the base. The base is provided with a first assembling part, and the limiting part and the stopping element are positioned on the transmission shaft. The limiting piece is provided with a second assembly part, a first limiting part and a second limiting part, wherein the first limiting part and the second limiting part are positioned on the second assembly part in the radial direction. The stop element comprises a rotating bracket, a paper separating piece and an elastic piece. The body part of the rotating bracket is positioned between the first limiting part and the second limiting part of the limiting part, and the first pivoting part and the second pivoting part of the rotating bracket are connected below the body part and are coaxial. The first and second pivoting parts are respectively pivoted with the first and second assembling parts. The sleeving part of the paper separating piece is sleeved on the body part of the rotary support, and the paper separating part of the paper separating piece is abutted against the transmission shaft. The elastic element is arranged between the sleeving part and the body part.

Description

Paper feeding device and business machine

technical field

The invention relates to a paper feeding device, and in particular to a paper feeding device and a business machine capable of ensuring smooth feeding of paper.

Background technique

With the advent of the information society, offices will be equipped with office automation equipment such as scanners, photocopiers, fax machines or printers, and users can use these office automation equipment to perform Word processing jobs. When the above-mentioned various office automation devices are deployed in the office at the same time, they will occupy a lot of space. Therefore, a multi-function peripheral (MPF) integrated with photocopying, printing and scanning functions has been developed to solve the above problems.

Users usually place a stack of paper in the business machine for photocopying, printing or scanning. In order to enable the business machine to take one sheet of paper at a time for operation, the paper feeding device is usually equipped with a paper separating member. Taking advantage of the buckling of the paper is a common way to separate the paper. For example, the paper is buckled by the friction force provided by the paper dividing member such as a friction plate or a zigzag structure. However, this paper separation method has a certain working limitation, that is, the paper must have a specific angle range relative to the paper separation member in order to effectively separate the paper. In other words, failing to arrange the paper at a specific angle to the separation member prior to separation reduces the probability of successful separation.

Contents of the invention

The invention provides a paper feeding device which can ensure that paper is fed in evenly.

The invention proposes a paper feeding device suitable for feeding paper. The paper feeding device includes a base, a transmission shaft, a limiting member and a stop element. The base has a first assembly part, and the transmission shaft, the limiter and the stop element are all arranged in the base, wherein the limiter and the stop element are all located on the drive shaft, and the stop element is located on the limiter side. The limiting member has a second assembling part, a first limiting part and a second limiting part, the first limiting part and the second limiting part are located in the radial direction of the second assembling part and form an angle. The stop element includes a rotating bracket, a paper separating piece and an elastic piece. The rotating bracket has a body part, a first pivot part and a second pivot part, wherein the body part is located between the first limit part and the second limit part of the limiter, and the first pivot part and The second pivot part is connected under the body part and is located on two opposite sides of the body part and is coaxial. The first pivot part is pivotally connected to the first assembly part, and the second pivot part is pivotally connected to the second assembly part. The paper separating part has a set part and a paper part, wherein the set part is set on the main body part of the rotating support, and the paper part abuts against the transmission shaft. The elastic member is arranged between the sleeve part of the paper separating part and the main body part of the rotating support.

In an embodiment of the paper feeding device of the present invention, the above-mentioned base has a reference plane and an accommodating space below the reference plane, and the transmission shaft is located in the accommodating space, and the first assembly part protrudes beyond the reference plane. face. The base also has a third assembling part, which is arranged on the reference plane, the third assembling part has an assembling slope forming an acute angle with the reference plane, and the limiter also has a fourth assembling part connected with the second assembling part , and the normal direction of the fourth assembly part is perpendicular to the normal direction of the second assembly part, and the fourth assembly part is fixed on the assembly slope. The paper feeding device also includes a locking member, which passes through the fourth assembly part and locks into the third assembly part.

In an embodiment of the paper feeding device of the present invention, the above-mentioned first assembly part and second assembly part have one of an opening and a pivot, and the first pivot part and the second pivot part are openings and pivots. Another of these.

In an embodiment of the paper feeding device of the present invention, the above-mentioned second assembly part is fan-shaped.

In an embodiment of the paper feeding device of the present invention, the transmission shaft includes a shaft and a paper pickup roller, wherein the shaft is sleeved in the paper pickup roller, and two ends of the shaft pass through the base.

In an embodiment of the paper feeding device of the present invention, the body part of the above-mentioned rotating bracket has a receiving groove and two guide walls located on opposite sides of the receiving groove, and the opposite sides of the sleeve part of the paper separator There are two limiting grooves on both sides, and the guide walls are correspondingly located in the limiting grooves. The sleeve part also has two limit hooks arranged on the limit groove, and each limit hook has a hook part, which is correspondingly located in the accommodating groove and limited by the guide wall. The body part of the rotating bracket also has a first shaft located in the accommodating groove, and the sleeve part also has a second shaft located between the limit hooks, and the first shaft and the second shaft are coaxial, and the elastic The two ends of the part are sheathed with the first shaft and the second shaft.

In an embodiment of the paper feeding device of the present invention, it further includes a soft material pad disposed on a surface of the paper separating portion facing the drive shaft, and the soft material pad contacts the drive shaft.

In an embodiment of the paper feeding device of the present invention, the angles formed by the above-mentioned first limiting portion and the second limiting portion range from 0° to 180°.

In an embodiment of the paper feeding device of the present invention, when the transmission shaft rotates in a first direction, the body part of the rotating bracket rotates around the first pivot joint and the second pivot joint to abut against the first pivot joint. The limiting part is used to stop the feeding of paper; when the transmission shaft rotates to a second direction opposite to the first direction, the body part of the rotating bracket rotates to the first pivot joint and the second pivot joint. Abutting against the second limiting part, the paper part contacts the end edge of the drive shaft so that the paper is fed in smoothly.

The present invention further provides a business machine, which includes a casing and the above-mentioned paper feeding device. The casing has a track, and the paper feeding device is installed in the casing and is located at the entrance of the track.

Based on the above, when the transmission shaft of the paper feeding device of the present invention rotates in the reverse direction, it will drive the coaxial first pivot joint and the second pivot joint of the rotation bracket of the stopper element to rotate as the rotation shaft to stop the paper . When the transmission shaft rotates in the forward direction, it will drive the stopper element to rotate around the first pivotal part and the second pivotal part to feed the paper, and at the same time, the stopper element will continue to apply a uniform force to Allows paper to feed in evenly.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

Description of drawings

FIG. 1 is an assembly diagram of a paper feeding device according to an embodiment of the present invention.

FIG. 2 is an exploded view of the paper feeding device of FIG. 1 .

FIG. 3 is a schematic diagram of the assembly of the stopper element and the limiting member in FIG. 2 .

Fig. 4 is a schematic diagram of a limiting member.

5A and 5B are schematic diagrams of the rotating bracket in FIG. 3 at different viewing angles.

FIG. 5C is a schematic diagram of the paper separating member in FIG. 3 .

6A and 6B are schematic views of different viewing angles when the paper feeding device stops the paper to prevent feeding.

7A and 7B are schematic diagrams of different viewing angles when the paper feeding device feeds paper.

FIG. 8 is a schematic perspective view of the business machine when paper is fed.

Description of main component symbols

1000: paper feeding device

1100: Pedestal

1110: First Assembly Department

1100a: Datum

1112, 1312: opening

1120: Third Assembly Department

1120a: Assembly slope

1200: drive shaft

1210: shaft

1220: paper pickup roller

1300: Limiting parts

1310: Second Assembly Department

1320: The first limit part

1330: The second limit part

1340: Fourth Assembly Department

1400: Stop element

1410: Swivel Stand

1412: Body Department

1412a: Holder

1412b, 1412c: guide wall

1412d: first axis

1414: First pivot joint

1416: Second pivot joint

1420: Separate paper pieces

1420a: surface

1422: Set Department

1422a, 1422b: limit slot

1422c: limit hook

1422d: hook part

1422e: Second axis

1424: Paper Separation Department

1430: Elastic parts

1500: Locking hardware

1600: soft material pad

2000: Installation

2000a: Surface

3000: business machine

3100: shell

3200: track

3202: entrance

S: storage space

N1, N2: normal direction

P: paper

D1: first direction

D2: Second direction

Detailed ways

1 is an assembly diagram of a paper feeding device according to an embodiment of the present invention, FIG. 2 is an exploded view of the paper feeding device in FIG. Please refer to FIG. 1 , FIG. 2 and FIG. 3 at the same time, wherein FIG. 2 and FIG. 1 and FIG. 3 have different perspectives. The paper feeding device 1000 of this embodiment is installed in a housing 3100 (marked in FIG. 7A ) of a business machine 3000 (marked in FIG. 7A ) (as shown in FIG. 7A ), so that paper is fed into the business machine 3000 and Transmission and printing are carried out in the track 3200 (marked in FIG. 7A ) of the casing 3100 of the business machine 3000 . The paper feeding device 1000 is installed at the entrance 3202 (shown in FIG. 7A ) of the track 3200 , and includes a base 1100 , a transmission shaft 1200 , a limiter 1300 and a stopper 1400 . The base 1100 has a first assembly part 1110, and the transmission shaft 1200, the stopper 1300 and the stopper element 1400 are all arranged in the base 1100, wherein the stopper 1300 and the stopper 1400 are all located on the drive shaft 1200, And the stop element 1400 is located on one side of the limiting member 1300 . The limiter 1300 has a second assembly part 1310, a first limiter 1320 and a second limiter 1330, the first limiter 1320 and the second limiter 1330 are located in the radial direction of the second assembly part 1310 direction and form an angle, wherein the angle can be an acute angle or an obtuse angle, and the range of the angle is from 0° to 180°. The stop element 1400 includes a rotating bracket 1410 , a paper separating member 1420 and an elastic member 1430 . The rotating bracket 1410 has a body portion 1412 , a first pivot portion 1414 and a second pivot portion 1416 , wherein the body portion 1412 is located between the first limiting portion 1320 and the second limiting portion 1330 of the limiting member 1300 , and the first pivotal portion 1414 and the second pivotal portion 1416 are connected under the body portion 1412 and are located on opposite sides of the body portion 1412 and are coaxial, while the first pivotal portion 1414 is pivotally connected to the first assembly portion 1110 , the second pivot portion 1416 is pivotally connected to the second assembly portion 1310 . The paper separating part 1420 has a set part 1422 and a paper part 1424 , wherein the set part 1422 is set on the main body part 1412 of the rotating support 1410 , and the paper part 1424 abuts against the transmission shaft 1200 . The elastic member 1430 is disposed between the sleeve portion 1422 of the paper separating member 1420 and the body portion 1412 of the rotating bracket 1410 .

Based on the above, the base 1100 has a reference plane 1100a and an accommodating space S under the reference plane 1100a, and the transmission shaft 1200 is located in the accommodating space S, wherein the transmission shaft 1200 includes a shaft 1210 and a paper pickup roller 1220 , wherein the shaft 1210 is sleeved in the paper pickup roller 1220, and the two ends of the shaft 1210 pass through the base 1100, and one of the ends is also connected to a motor (not shown), and when the motor rotates, the shaft 1210 is driven turn.

Fig. 4 is a schematic diagram of a limiting member. Please refer to FIG. 1, FIG. 3 and FIG. 4 at the same time, the first assembly part 1110 of the base 1100 protrudes from the reference plane 1100a, and the first assembly part 1110 has an opening 1112, and the stopper 1300 of this embodiment The second assembling part 1310 is fan-shaped and has an opening 1312 , and the opening 1112 of the first assembling part 1110 and the opening 1312 of the second assembling part 1310 are arranged correspondingly. Correspondingly, the first pivotal portion 1414 and the second pivotal portion 1416 are pivotally connected to the first assembly portion 1110 and the second assembly portion 1310 respectively, and are inserted into the opening 1112 and the opening 1312 correspondingly, so as to The stop member 1400 can rotate relative to the limiting member 1300 with the coaxial first pivot portion 1414 and the second pivot portion 1416 as rotation axes. Of course, it is also possible to make the first assembly part 1110 and the second assembly part 1310 have pivots, while the first pivot part 1414 and the second pivot part 1416 are openings, so that the stopper element 1400 can also be The coaxial first pivot portion 1414 and the second pivot portion 1416 rotate relative to the limiting member 1300 .

In addition, the base 1100 also has a third assembly part 1120 in the shape of a triangular column, which is arranged on the reference plane 1100a, and the third assembly part 1120 has an assembly slope 1120a forming an acute angle with the reference plane 1100a, and the stopper 1300 also has a fourth assembly part 1340 connected to the second assembly part 1310, and the normal direction N1 of the fourth assembly part 1340 is perpendicular to the normal direction N2 of the second assembly part 1310, and the fourth assembly part 1340 is fixed on the assembly Inclined surface 1120a. In this embodiment, the paper feeding device 1000 further includes a locking member 1500 , and the locking member 1500 passes through the fourth assembling portion 1340 and is locked into the third assembling portion 1120 .

5A and 5B are schematic diagrams of the rotating bracket in FIG. 3 at different viewing angles, and FIG. 5C is a schematic diagram of the paper separating member in FIG. 3 . Please refer to FIG. 3 and FIGS. 5A-5C at the same time. The main body 1412 of the above-mentioned rotating bracket 1410 has a receiving groove 1412a and two guide walls 1412b, 1412c located on opposite sides of the receiving groove 1412a, and the paper separating member 1420 There are two limiting grooves 1422a, 1422b on opposite sides of the sleeve portion 1422, and the guiding walls 1412b, 1412c are correspondingly located in the limiting grooves 1422a, 1422b. The sleeve part 1422 also has two limit hooks 1422c arranged on the limit grooves 1422a and 1422b, and each limit hook 1422c has a hook part 1422d, which is correspondingly located in the accommodating groove 1412a and is guided The walls 1412b, 1412c limit the position. It is worth mentioning that the length of the hook part 1422d of the limit hook 1422c can be slightly longer than the depth of the accommodating groove 1412a, so the hook part 1422d can contact the bottom of the accommodating groove 1412a to increase the assembly of the paper separating part 1420. The stability of the swivel bracket 1410.

In addition, the body part 1412 of the rotating bracket 1410 also has a first shaft 1412d located in the receiving groove 1412a, and the sleeve part 1422 also has a second shaft 1422e located between the limit hooks 1422c, and the first shaft 1412d and the second shaft 1422e are coaxial, and the two ends of the elastic member 1430 sleeve the first shaft 1412d and the second shaft 1422e.

In addition, the paper feeding device 1000 further includes a soft material pad 1600 disposed on a surface 1420 a of the paper separating portion 1424 facing the transmission shaft 1200 , and the soft material pad 1600 contacts the transmission shaft 1200 .

6A and 6B are schematic views of different viewing angles when the paper feeding device stops the paper to prevent feeding. Please refer to FIG. 6A and FIG. 6B at the same time. When the transmission shaft 1200 rotates toward a first direction D1, the soft material pad 1600 disposed on the surface 1420a of the paper separating portion 1424 facing the transmission shaft 1200 and contacting the transmission shaft 1200 is affected by the transmission shaft. The rotation of 1200 further drives the body part 1412 of the rotating bracket 1410 of the stopper element 1400 to rotate around the first pivot part 1414 and the second pivot part 1416 to abut against the first limiting part 1320, and the elastic part 1430 A force is applied to the paper separating member 1420 , and this force has a vertical component force in the vertical direction so that the paper separating member 1420 keeps in contact with the paper pickup roller 1220 of the drive shaft 1200 to stop the feeding of the paper P.

In addition, the shaft 1210 drives the paper pick-up roller 1220 to continuously rotate in the first direction D1, so as to further achieve the purpose of sorting the paper P and avoiding the skew of the paper P.

7A and 7B are schematic diagrams of different viewing angles when the paper feeding device feeds paper, and FIG. 8 is a perspective schematic diagram of the business machine when paper is fed. Please refer to FIG. 7A, FIG. 7B and FIG. 8 at the same time. When the transmission shaft 1200 rotates in a second direction D2 opposite to the first direction D1, the body portion 1412 of the rotating bracket 1410 is connected by the first pivot portion 1414 and the second pivot portion. The connecting portion 1416 rotates to abut against the second limiting portion 1330 , at this time, the paper P is driven by the paper picking roller 1220 to enter between the paper picking roller 1220 and the stopper 1400 , and the paper P is fed in. In particular, since the surface 1420a of the paper-separating member 1420 facing the paper pickup roller 1220 is provided with a soft material pad 1600, and the component force of the elastic member 1430 continuously applied to the sleeve portion 1422 of the paper-separating member 1420 makes the soft material pad 1600 The material pad 1600 contacts the transmission shaft 1200 at the front edge of the paper separating member 1420 and makes the paper P fed in evenly. It should be noted that when the paper P is fed, the surface 1420a of the paper separating member 1420 and the surface 2000a of the device 2000 (such as an inkjet device) arranged on the paper feeding path and behind the paper feeding device 1000 are parallel to each other. Therefore, it can be ensured that the paper P enters the device 2000 smoothly.

Incidentally, when the stop member 1400 is driven by the rotation direction of the transmission shaft 1200 to rotate relative to the limit member 1300, and when the paper P enters between the pick-up roller 1220 and the stop member 1400, it is rolled by the pick-up roller 1220 Or because of the thickness of the paper P, the paper separating member 1420 further takes the first axis 1412d of the coaxial body portion 1412 and the second axis 1422e of the sleeve portion 1422 as the axis, and the paper separating member 1420 moves along the axis. Relative to the rotating bracket 1410, there is an up and down movement. At this time, the guide walls 1412b, 1412c of the body part 1412 of the rotating bracket 1410 and the limiting grooves 1422a, 1422b of the sleeve part 1422 of the paper separating part 1420 can ensure that the paper separating part 1420 There is only up and down movement relative to the rotating bracket 1410, but no left or right deviation. In addition, limited by the profile of the accommodating groove 1412a and the arrangement of the guide walls 1412b and 1412c, the moving distance of the paper separating member 1420 moving up and down relative to the rotating bracket 1410 can be limited. The elastic restoring force provided by the elastic member 1430 is continuously applied to the body portion 1412 of the rotating bracket 1410 and the sleeve portion 1422 of the paper separation member 1420 , so that the paper separation portion 1424 continuously contacts the paper pickup roller 1220 .

To sum up, the position of the stopping element of the paper feeding device of the present invention relative to the transmission shaft can be changed according to the rotation direction of the transmission shaft, so as to determine whether to stop the paper or to feed the paper. In addition, with the setting of the elastic member of the stopper element, the elastic member continuously exerts the force on the paper-separating member of the stopper member, so that the paper-separating member can continuously and evenly contact the paper-feeding roller of the drive shaft, so that the paper-separating member Apply force to the pick rollers that evenly contact the drive shaft. When the paper is stopped, a good stopping effect can be achieved, and the paper picking roller can be arranged to avoid paper skewing; when the paper is fed, the paper can be fed smoothly.

Although the present invention has been disclosed above with the embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some changes and modifications without departing from the spirit and scope of the present invention.

Claims (26)

1. A paper feeding device suitable for feeding paper, comprising: a base with a first assembly part; a transmission shaft, arranged in the base; A limiter is installed in the base and located on the transmission shaft, wherein the limiter has a second assembly part, a first limiter and a second limiter, the first limiter The bit portion and the second limiting portion are located in the radial direction of the second assembly portion and an angle is formed between the first limiting portion and the second limiting portion; A stop element is arranged in the base, on the transmission shaft, and on one side of the limiter, including: A rotating bracket has a body part, a first pivot part and a second pivot part, wherein the body part is located between the first limit part and the second limit part of the limit member, and The first pivotal part is coaxial with the second pivotal part, connected under the body part, and located on opposite sides of the body part, and the first pivotal part is pivotally connected with the first assembly part, the the second pivoting part is pivotally connected to the second assembly part; A paper separating part has a set part and a paper part, wherein the set part is set on the body part of the rotating bracket, and the paper part is against the drive shaft; and An elastic part is disposed between the sleeve part of the paper separating part and the main body part of the rotating bracket. 2. The paper feeding device according to claim 1, wherein the base has a reference plane and an accommodating space under the reference plane, and the transmission shaft is located in the accommodating space, and the first assembly part protrude from this plane. 3. The paper feeding device according to claim 2, wherein the base further has a third assembly portion disposed on the reference plane, the third assembly portion has an assembly slope, and the assembly slope is aligned with the reference plane It is an acute angle, and the stopper also has a fourth assembly part connected with the second assembly part, and the normal direction of the fourth assembly part is perpendicular to the normal direction of the second assembly part, and the fourth assembly part The part is fixed on the assembly slope. 4. The paper feeding device according to claim 3, further comprising a locking member passing through the fourth assembling portion and locking into the third assembling portion. 5. The paper feeding device according to claim 1, wherein the first assembly portion and the second assembly portion have one of an opening and a pivot, and the first pivot portion and the second pivot portion are open The other of the hole and the pivot. 6. The paper feeding device according to claim 1, wherein the second assembly portion is fan-shaped. 7. The paper feeding device according to claim 1, wherein the transmission shaft comprises a shaft and a paper pickup roller, wherein the shaft is sleeved in the paper pickup roller, and both ends of the shaft pass through the paper pickup roller. base. 8. The paper feeding device according to claim 1, wherein the main body portion of the rotating bracket has a receiving groove and two guide walls on opposite sides of the receiving groove, and the set of the paper separating member There are two limiting grooves on opposite sides of the setting part, and the guiding walls are correspondingly located in the limiting grooves. 9. The paper feeding device according to claim 8, wherein the set part further has two limit hooks, which are arranged on the limit slot, and each limit hook has a hook portion, which is correspondingly located on the limit slot. It is accommodated in the groove and limited by the guide walls. 10. The paper feeding device according to claim 9, wherein the main body portion of the rotating bracket further has a first shaft located in the accommodating groove, and the sleeve portion further has a second shaft located at the Between the limit hooks, the first axis and the second axis are coaxial, and the two ends of the elastic member are sheathed on the first axis and the second axis. 11. The paper feeding device according to claim 1, further comprising a soft material pad disposed on a surface of the paper separating portion facing the transmission shaft and contacting the transmission shaft. 12. The paper feeding device according to claim 1, wherein when the transmission shaft rotates in a first direction, the main body portion of the rotating bracket takes the first pivot portion and the second pivot portion as rotation axes Rotate to abut against the first limiting part to stop paper feeding; and When the transmission shaft rotates in a second direction opposite to the first direction, the body part of the rotating bracket rotates around the first pivot part and the second pivot part to abut against the second pivot part. The limiting part, the paper separating member contacts the end edge of the drive shaft to feed the paper in evenly. 13. The paper feeding device according to claim 1, wherein an angle formed by the first limiting portion and the second limiting portion ranges from 0° to 180°. 14. A transaction machine, comprising: a housing with a track; A paper feeding device is installed in the housing and is located at an entrance of the track, the paper feeding device includes: a base with a first assembly part; a transmission shaft, arranged in the base; A limiter is installed in the base and located on the transmission shaft, wherein the limiter has a second assembly part, a first limiter and a second limiter, the first limiter The bit portion and the second limiting portion are located in the radial direction of the second assembly portion and an angle is formed between the first limiting portion and the second limiting portion; A stop element is arranged in the base, on the transmission shaft, and on one side of the limiter, including: A rotating bracket has a body part, a first pivot part and a second pivot part, wherein the body part is located between the first limit part and the second limit part of the limit member, and The first pivotal part and the second pivotal part are coaxial, connected under the body part, and located on opposite sides of the body part, and the first pivotal part is pivotally connected with the first assembly part, the the second pivoting part is pivotally connected to the second assembly part; A paper separating part has a set part and a paper part, wherein the set part is set on the body part of the rotating bracket, and the paper part is against the drive shaft; and An elastic part is disposed between the sleeve part of the paper separating part and the main body part of the rotating bracket. 15. The business machine according to claim 14, wherein the base has a reference plane and an accommodating space under the reference plane, and the transmission shaft is located in the accommodating space, and the first assembly part protrudes on this datum. 16. The business machine according to claim 15, wherein the base further has a third assembly portion disposed on the reference plane, the third assembly portion has an assembly slope, and the assembly slope is in the shape of the reference plane An acute angle, and the limiter also has a fourth assembly part connected with the second assembly part, and the normal direction of the fourth assembly part is perpendicular to the normal direction of the second assembly part, the fourth assembly part fixed on the assembly slope. 17. The business machine according to claim 16, further comprising a locking member passing through the fourth assembling portion and locking into the third assembling portion. 18. The business machine according to claim 14, wherein the first assembling portion and the second assembling portion have one of an opening and a pivot, and the first pivoting portion and the second pivoting portion are openings and pivots the other one of the axes. 19. The business machine according to claim 14, wherein the second assembly part is fan-shaped. 20. The business machine according to claim 14, wherein the transmission shaft comprises a shaft and a paper pickup roller, wherein the shaft is sleeved in the paper pickup roller, and the two ends of the shaft pass through the base seat. 21. The business machine according to claim 14, wherein the main body of the rotating bracket has a receiving groove and two guide walls on opposite sides of the receiving groove, and the sleeve of the paper separating member There are two limiting grooves on opposite sides of the part, and the guide walls are correspondingly located in the limiting grooves. 22. The business machine according to claim 21, wherein the sleeve part further has two limit hooks, which are arranged on the limit groove, and each limit hook has a hook part, which is correspondingly located in the container. Placed in the groove, and limited by these guide walls. 23. The business machine according to claim 22, wherein the body part of the rotating bracket further has a first shaft located in the receiving groove, and the sleeve part further has a second shaft located at the limits The first shaft and the second shaft are coaxial, and the two ends of the elastic member are sheathed on the first shaft and the second shaft. 24. The business machine according to claim 14, further comprising a soft material pad disposed on a surface of the paper separating portion facing the transmission shaft and contacting the transmission shaft. 25. The business machine according to claim 14, wherein when the transmission shaft rotates in a first direction, the body portion of the rotating bracket rotates around the first pivot portion and the second pivot portion as rotation axes to abut against the first limiting portion to stop paper feeding; and When the transmission shaft rotates in a second direction opposite to the first direction, the body part of the rotating bracket rotates around the first pivot part and the second pivot part to abut against the second pivot part. The limiting part, the paper separating member contacts the end edge of the drive shaft to feed the paper in evenly. 26. The business machine according to claim 14, wherein an angle formed by the first limiting portion and the second limiting portion ranges from 0° to 180°.