CN211110235U

CN211110235U - Reversing mechanism

Info

Publication number: CN211110235U
Application number: CN201920441326.6U
Authority: CN
Inventors: 郭志俭
Original assignee: Grg Intelligent Technology Solution Co ltd; GRG Banking Equipment Co Ltd
Current assignee: Grg Intelligent Technology Solution Co ltd; GRG Banking Equipment Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-07-28
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to a reversing mechanism, including driver, transmission shaft, switching-over piece, two at least bearings and with the corresponding connecting plate of bearing number, the transmission shaft is equipped with at least two along length direction spacer sleeve the bearing, the switching-over piece is installed on the transmission shaft and between two adjacent bearings, the through-hole has been seted up on the connecting plate, the bearing corresponds to be installed in the through-hole, the driver is connected the transmission shaft is installed on the connecting plate, the driver drive the transmission shaft drives the switching-over piece is relative the connecting plate rotates. The utility model provides a pair of reversing mechanism has cancelled and has utilized panel beating support pairing rotation electro-magnet to install spacing mode, passes through bearing and connecting plate rotatable coupling respectively with the both ends of transmission shaft simultaneously, both can guarantee that the part can batch production also can improve reversing mechanism's production efficiency simultaneously.

Description

Reversing mechanism

Technical Field

The utility model relates to a financial equipment structure field, concretely relates to reversing mechanism.

Background

The conveying channel is a structure related to most financial service equipment, and mainly used for conveying paper media from one position to another position in the equipment to realize the conveying function of the paper media; the conveying direction of the paper sheet type medium is not unique, and a reversing block group is required to be arranged in the conveying channel to switch the conveying direction of the paper sheet type medium; the rotation of the reversing block set is generally driven by the rotation of the output shaft of the rotary electromagnet. As shown in fig. 1-2, a schematic structural diagram of a reversing mechanism 1 in the prior art is shown, where the reversing mechanism 1 in the prior art includes a reversing block set 11, a rolling bearing 12, a channel metal plate 13, an open retainer ring 14, a metal plate bracket 15, and a rotary electromagnet 16, one end of the reversing block set 11 is connected to the channel metal plate 13 through the rolling bearing 12, and is provided with the open retainer ring 14 for axial limiting, and the other end of the reversing block set 11 is not in contact with the channel metal plate 13; the sheet metal bracket 15 is mounted on the channel sheet metal 13 in a screw fastening mode; an output shaft 16a of the rotary electromagnet 16 penetrates through a round hole 15a of the sheet metal bracket 15 and is fixedly connected with a driving shaft 11a of the reversing block group 11 in a screw fastening mode, and a clamping position 16b of the rotary electromagnet 16 is embedded on a boss 15b of the sheet metal bracket 15; the output shaft 16a of the rotary electromagnet 16 can drive the reversing block set 11 to rotate at the same time.

As can be seen, in the prior art, the rotary electromagnet 16 is fixedly mounted on the channel metal plate 13 through a metal plate bracket 15, and further, the connection between the output shaft 16a of the rotary electromagnet 16 and the reversing block set 11 is realized, so that the mounting accuracy of the metal plate bracket 15 determines the position accuracy of the output shaft 16a of the rotary electromagnet 16. During installation, the output shaft 16a of the rotary electromagnet 16 and the through hole of the channel metal plate 13 need to be ensured to be positioned on the same axis as much as possible, so that the reversing block group 11 is ensured to rotate smoothly, the metal plate support 15 is required to be machined accurately, the rejection rate of parts is high, and the batch production of the parts is not facilitated; similarly, in order to ensure that the output shaft 16a of the rotary electromagnet 16 and the through hole of the channel metal plate 13 are located on the same axis as much as possible, the reversing block group rotates smoothly, so that the calibration is required during assembly, and the time consumed by the calibration is relatively long, so that the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a reversing mechanism has cancelled the spacing mounting means of panel beating support pairing rotation electro-magnet's installation, passes through bearing and connecting plate rotatable coupling respectively with the both ends of transmission shaft simultaneously, both can guarantee that the part can batch production also can improve reversing mechanism's production efficiency simultaneously.

In order to achieve the above object, the embodiment of the utility model provides a reversing mechanism, including driver, transmission shaft, switching-over piece, two at least bearings and with the corresponding connecting plate of bearing number, the transmission shaft is equipped with two at least along length direction spacer the bearing, the switching-over piece is installed on the transmission shaft and between two adjacent bearings, the through-hole has been seted up on the connecting plate, the bearing corresponds to be installed in the through-hole, the driver is connected the transmission shaft is installed on the connecting plate, the driver drive the transmission shaft drives the switching-over piece is relative the connecting plate rotates.

Preferably, the driver is provided with a plug part, one of the connecting plates is provided with a nesting position corresponding to the plug part, and the nesting position is embedded into the plug part to enable the driver to be installed on the connecting plate.

Preferably, the transmission shaft is in the shape of a hollow cylinder tube, the driver comprises a forward and reverse rotation output shaft, and the forward and reverse rotation output shaft is inserted into the transmission shaft and is fixedly connected with the transmission shaft through a fastener.

Preferably, the reversing mechanism further comprises limiting structures for limiting the axial movement of the bearings along the transmission shaft, and the number of the limiting structures corresponds to the number of the bearings and is respectively connected with the corresponding bearings.

As a preferred scheme, the limiting structure is a limiting check ring, and the limiting check ring is fixedly sleeved on the transmission shaft; the outer side end face of the bearing is provided with an annular limiting plate which extends outwards along the radial direction of the bearing, the annular limiting plate is arranged between the corresponding connecting plate and the corresponding limiting check ring, and the two end faces of the annular limiting plate respectively abut against the corresponding connecting plate and the corresponding limiting check ring.

As the preferred scheme, be equipped with on the outside terminal surface of bearing along the radial outside annular limiting plate who extends of bearing, limit structure is limiting retainer ring, limiting retainer ring fixed cover is located the medial extremity of bearing and with the bearing forms an I shape structure jointly, the connecting plate is between corresponding limiting retainer ring and the annular limiting plate that corresponds, just two terminal surfaces of connecting plate offset with corresponding limiting retainer ring and the annular limiting plate that corresponds respectively.

Preferably, the limit retainer ring is a split retainer ring.

As a preferred scheme, limit structure is limit pin, limit pin cross in on the transmission shaft, be equipped with the radial outside annular limiting plate who extends along the bearing on the outside terminal surface of bearing, annular limiting plate is between corresponding connecting plate and the limit pin that corresponds, just two terminal surfaces of annular limiting plate offset with corresponding connecting plate and the limit pin that corresponds respectively.

Preferably, the driver is a rotary electromagnet.

Preferably, the driver is a motor.

According to the reversing mechanism provided by the technical scheme, two ends of the transmission shaft are rotatably connected with the connecting plate through the bearings respectively, the connecting plate is used for ensuring that the position of the axis of the transmission shaft is always fixed, and the axis does not need to be calibrated during assembly, so that the production efficiency of the reversing mechanism is improved; the driver is directly connected with the connecting plate, and a sheet metal bracket is omitted, so that the requirement on the machining precision of parts is reduced, and the batch production of the parts is facilitated; in addition, the position of the axis of the transmission shaft is always fixed, so that the transmission shaft can be prevented from deflecting, the smooth rotation of the transmission shaft is ensured, and the jamming probability is further reduced; compared with the prior art, the installation mode that the sheet metal support carries out installation spacing to the rotating electromagnet is cancelled, the high requirement of part machining precision is eliminated, the parts can be guaranteed to be produced in batches, and the production efficiency of the reversing mechanism is improved.

Drawings

FIG. 1 is a schematic structural diagram of a reversing mechanism in the prior art;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a schematic structural diagram of a reversing mechanism provided by the present invention;

fig. 4 is an exploded view of fig. 3.

Wherein: 1. a reversing mechanism in the prior art; 11. a commutation block group; 11a, a drive shaft; 12. a rolling bearing; 13. a channel metal plate; 14. a split washer; 15. a sheet metal bracket; 15a, a circular hole; 15b, a boss; 16. rotating the electromagnet; 16a, an output shaft; 16b, clamping; 2. a reversing mechanism; 21. a commutation block; 22. a bearing; 23. a drive shaft; 24. a connecting plate; 24a, nesting positions; 25. a driver; 25a, a positive and negative rotation output shaft; 25b, a plug part; 26. a screw; 27. a limiting structure.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Please refer to fig. 3-4, for the embodiment of the present invention provides a reversing mechanism 2, which includes a driver 25, a transmission shaft 23, a reversing block 21, at least two bearings 22 and a connecting plate 24 corresponding to the number of the bearings 22, wherein the transmission shaft 23 is provided with at least two bearings 22 along the length direction, the reversing block 21 is installed on the transmission shaft 23 and between two adjacent bearings 22, the connecting plate 24 is provided with a through hole, the bearings 22 are correspondingly installed in the through hole, the driver 25 is connected with the transmission shaft 23 and installed on the connecting plate 24, and the driver 25 drives the transmission shaft 23 and drives the reversing block 21 to rotate relative to the connecting plate 24. Specifically, two ends of the transmission shaft 23 are rotatably connected with the connecting plate 24 through the bearings 22 respectively, the connecting plate 24 is used for ensuring that the position of the axis of the transmission shaft 23 is always fixed, and calibration is not needed during assembly, so that the production efficiency of the reversing mechanism 2 is improved; the driver 25 is directly connected with the connecting plate 24, and the sheet metal support 15 is omitted, so that the requirement on the machining precision of parts is reduced, and the batch production of the parts is facilitated; in addition, the position of the axis of the transmission shaft 23 is always fixed, so that the transmission shaft 23 can be prevented from deflecting, the transmission shaft 23 can be ensured to rotate smoothly, and the jamming probability is further reduced; compared with the prior art, the installation mode that the sheet metal support 15 is used for installing the rotary electromagnet in a limiting mode is eliminated, the high requirement on the part machining precision is eliminated, the parts can be guaranteed to be produced in batches, and the production efficiency of the reversing mechanism 2 is improved.

Referring to fig. 3-4, in the present embodiment, the driver 25 is provided with a plug portion 25b, one of the connection plates 24 is provided with a socket portion 24a corresponding to the plug portion 25b, and the socket portion 24a is inserted into the plug portion 25b to mount the driver 25 on the connection plate 24. Preferably, the insertion part 25b is a bracket with a U-shaped cross section, the nesting position 24a is a strip-shaped plate on the surface of the connecting plate 24, the strip-shaped plate is bent towards one side of the driver 25 and is perpendicular to the end surface of the connecting plate 24, and the strip-shaped plate is inserted into the U-shaped opening of the insertion part 25b, so that the rotation motion of the driver 25 can be effectively limited, and the positions of the driver 25 and the connecting plate 24 are relatively fixed. In this embodiment, the driver 25 is a rotary electromagnet, and the rotary electromagnet drives the transmission shaft 23 to rotate forward and backward.

Further, the transmission shaft 23 is in a hollow cylindrical tube shape, the driver 25 includes a forward and reverse rotation output shaft 25a, and the forward and reverse rotation output shaft 25a is inserted into the transmission shaft 23 and is fixedly connected with the transmission shaft 23 through a fastening member. In the present embodiment, the fastening member is a screw 26, and specifically, is screwed and fixedly connected by the screw 26 provided in the radial direction of the transmission shaft 23 at the overlapping portion of the transmission shaft 23 and the forward and reverse output shaft 25 a. Therefore, the transmission shaft 23 and the forward and reverse output shaft 25a can be arranged coaxially, and the transmission shaft 23 and the forward and reverse output shaft 25a can be fixedly connected.

Further, referring to fig. 4, in the present embodiment, the reversing mechanism 2 further includes limiting structures 27 for limiting the axial movement of the bearings 22 along the transmission shaft 23, and the number of the limiting structures 27 corresponds to the number of the bearings 22 and is respectively connected to the corresponding bearings 22. Specifically, in this embodiment, the number of the bearings 22, the connecting plate 24, and the limiting structures 27 is two, and the limiting structures 27 are limiting check rings fixedly sleeved on the transmission shaft 23; the outer end face of the bearing 22 is provided with an annular limiting plate extending outwards along the radial direction of the bearing 22, the annular limiting plate is arranged between the corresponding connecting plate 24 and the corresponding limiting retainer ring, and two end faces of the annular limiting plate respectively abut against the corresponding connecting plate 24 and the corresponding limiting retainer ring. Note that the outer side of the bearing 22 indicates the end close to the ring restriction plate, and similarly, the inner side of the bearing 22 indicates the end far from the ring restriction plate. Preferably, in this embodiment, the limit stop ring is a split stop ring. With such an arrangement, the inner end surface of the ring-shaped limiting plate abuts against the outer surface of the connecting plate 24, so as to prevent the bearing 22 from moving along the transmission shaft 23 toward the side of the connecting plate 24; the outside end face of annular limiting plate offsets with the split retaining ring, and the split retaining ring is fixed in on transmission shaft 23, and then prevents bearing 22 along transmission shaft 23 motion 24 one side of connecting plate dorsad to the axial motion of bearing 22 along transmission shaft 23 has been restricted, and then has guaranteed the stability of structure.

Example 2

The reversing mechanism 2 provided in this embodiment is different from embodiment 1 only in that an annular limiting plate extending outward in the radial direction of the bearing 22 is disposed on an outer side end face of the bearing 22, the limiting structure 27 is a limiting retaining ring, the limiting retaining ring is fixedly sleeved at an inner side end of the bearing 22 and forms an i-shaped structure together with the bearing 22, the connecting plate 24 is disposed between the corresponding limiting retaining ring and the corresponding annular limiting plate, and two end faces of the connecting plate 24 abut against the corresponding limiting retaining ring and the corresponding annular limiting plate respectively. With such an arrangement, the inner end surface of the annular limiting plate abuts against the connecting plate 24, so as to prevent the bearing 22 from moving along the transmission shaft 23 towards one side of the connecting plate 24; spacing retaining ring offsets with connecting plate 24, and split ring and bearing 22 fixed connection, and then prevent bearing 22 along transmission shaft 23 back to connecting plate 24 one side motion to restricted bearing 22 along the axial motion of transmission shaft 23, and then guaranteed the stability of structure.

In addition, other structures of this embodiment are the same as those of embodiment 1, and are not described again.

Example 3

The reversing mechanism 2 provided in this embodiment is different from that of embodiment 1 only in that the driver 25 is a motor, and preferably, the driver 25 is a stepping motor, so as to drive the transmission shaft 23 to rotate forward and backward.

Example 4

The reversing mechanism 2 provided by the embodiment is different from the embodiment 1 only in that: the limiting structure 27 is a limiting pin, the limiting pin traverses the transmission shaft 23, an annular limiting plate extending radially outwards along the bearing 22 is arranged on the outer side end face of the bearing 22, the annular limiting plate is arranged between the corresponding connecting plate 24 and the corresponding limiting pin, and two end faces of the annular limiting plate are respectively abutted against the corresponding connecting plate 24 and the corresponding limiting pin. With such an arrangement, the inner end surface of the ring-shaped limiting plate abuts against the outer surface of the connecting plate 24, so as to prevent the bearing 22 from moving along the transmission shaft 23 toward the side of the connecting plate 24; the outer end face of the annular limiting plate is abutted to the limiting pin which is fixed on the transmission shaft 23, so that the bearing 22 is prevented from moving along the forward and reverse rotating output shaft 25a back to one side of the connecting plate 24, the axial movement of the bearing 22 along the transmission shaft 23 is limited, and the stability of the structure is further ensured.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a reversing mechanism, its characterized in that, including driver, transmission shaft, switching-over piece, two at least bearings and with the corresponding connecting plate of bearing number, the transmission shaft is equipped with two at least along length direction spacer sleeve the bearing, the switching-over piece is installed on the transmission shaft and between two adjacent bearings, the through-hole has been seted up on the connecting plate, the bearing corresponds to be installed in the through-hole, the driver is connected the transmission shaft is installed on the connecting plate, the driver drive the transmission shaft drives the switching-over piece is relative the connecting plate rotates.

2. The reversing mechanism according to claim 1, wherein the driver is provided with a plug portion, one of the connecting plates is provided with a nesting position corresponding to the plug portion, and the nesting position is embedded in the plug portion to enable the driver to be mounted on the connecting plate.

3. The reversing mechanism according to claim 1, wherein the transmission shaft is in the shape of a hollow cylindrical tube, and the driver comprises a counter-rotating output shaft which is inserted into the transmission shaft and is fixedly connected with the transmission shaft through a fastener.

4. The reversing mechanism according to claim 1 or 3, further comprising limiting structures for limiting the axial movement of the bearings along the transmission shaft, wherein the number of the limiting structures corresponds to the number of the bearings and is respectively connected with the corresponding bearings.

5. The reversing mechanism according to claim 4, wherein the limiting structure is a limiting retainer ring sleeved on the transmission shaft; the outer side end face of the bearing is provided with an annular limiting plate which extends outwards along the radial direction of the bearing, the annular limiting plate is arranged between the connecting plate and the limiting check ring, and the two end faces of the annular limiting plate are respectively abutted against the corresponding connecting plate and the corresponding limiting check ring.

6. The reversing mechanism according to claim 4, wherein an annular limiting plate extending outward in the radial direction of the bearing is arranged on an outer end face of the bearing, the limiting structure is a limiting retainer ring, the limiting retainer ring is sleeved on an inner end of the bearing and forms an I-shaped structure together with the bearing, the connecting plate is arranged between the limiting retainer ring and the annular limiting plate, and two end faces of the connecting plate respectively abut against the limiting retainer ring and the annular limiting plate.

7. The reversing mechanism according to any one of claims 5 or 6, wherein the limit stop is a split stop.

8. The reversing mechanism according to claim 4, wherein the limiting structure is a limiting pin, the limiting pin traverses the transmission shaft, an annular limiting plate extending outward in the radial direction of the bearing is arranged on the outer end face of the bearing, the annular limiting plate is arranged between the connecting plate and the limiting pin, and two end faces of the annular limiting plate respectively abut against the connecting plate and the limiting pin.

9. The reversing mechanism of claim 1, wherein the driver is a rotary electromagnet.

10. The reversing mechanism of claim 1, wherein the drive is a motor.