CN213734235U - Seal device and check printer - Google Patents

Abstract

The utility model relates to the field of self-service equipment, in particular to a seal device and a check printer; the seal device comprises a frame, a support, a detection assembly, a seal assembly and a lifting assembly, wherein the support is movably connected with the frame, the seal assembly is arranged on the support, and the lifting assembly is matched with the support and used for driving the support to move to a first position so as to enable the seal assembly to move upwards and reserve an accommodating space for a medium to enter below the seal assembly, or used for driving the support to move to a second position so as to enable the seal assembly to move downwards and be matched with the medium entering the accommodating space; the detection assembly comprises a first sensor and a detection piece, one of the first sensor and the detection piece is arranged on the rack, the other of the first sensor and the detection piece is arranged on the support, and when the support is located at the second position, the first sensor is matched with the detection piece. The utility model discloses a stamp device can improve the efficiency of stamping to improve the problem of the dislocation of stamping.

Description

Seal device and check printer

Technical Field

The utility model relates to a self-service equipment field particularly, relates to a seal device and check printer.

Background

With the rapid development of services intellectualization such as self-service card handling, check printing and the like in the financial field, self-service equipment of the check printer comes along with the self-service equipment, and the seal device is applied to the check printing service.

However, the check printer provided by the related art is inefficient and prone to misalignment when stamping a check after printing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal device and check printer, it can improve the efficiency of stamping to improve the problem of the dislocation of stamping.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment of the present invention provides a stamp device, including a frame, a support, a detection assembly, a stamp assembly, and a lifting assembly, where the support is movably connected to the frame, the stamp assembly is disposed on the support, and the lifting assembly is matched with the support and used for driving the support to move to a first position, so that the stamp assembly moves upward and leaves an accommodating space below the stamp assembly for a medium to enter, or used for driving the support to move to a second position, so that the stamp assembly moves downward and is matched with the medium entering the accommodating space; the detection assembly comprises a first sensor and a detection piece, one of the first sensor and the detection piece is arranged on the rack, the other of the first sensor and the detection piece is arranged on the support, and when the support is located at the second position, the first sensor is matched with the detection piece.

In an optional embodiment, the detection assembly further comprises a second sensor, the first sensor and the second sensor are both arranged on the frame, and the detection piece is arranged on the bracket; the second sensor cooperates with the detection member when the bracket is in the first position.

In an alternative embodiment, the lift assembly includes a first motor having an output shaft drivingly connected to the cam for driving rotation of the cam, and a cam cooperating with the bracket, the cam driving the bracket between the first position and the second position when the output shaft of the first motor drives the cam for rotation.

In an alternative embodiment, the first end of the support frame is pivotally coupled to the frame by a first pivot, and the lift assembly is coupled to the support frame for driving the second end of the support frame to pivot about the first pivot to move the support frame between the first and second positions.

In an optional embodiment, the support comprises a first plate, a second plate and a third plate which are connected in sequence in an angle manner, the first end of the first plate and the first end of the third plate are rotatably connected with the rack through a first rotating shaft, the second plate is provided with a first avoidance port, and the seal assembly extends into the accommodating space from the first avoidance port and can be matched with a medium in the accommodating space; the lift assembly cooperates with the second plate to drive the carriage between the first position and the second position.

In an optional embodiment, the stamp assembly includes a second motor and a stamp, the second motor is disposed on the bracket, and an output shaft of the second motor is in transmission connection with the stamp for driving the stamp to rotate, so that when the bracket is located at the second position, the stamp is stamped on the medium in the accommodating space.

In an optional embodiment, the stamp assembly further includes a second rotating shaft coaxially and fixedly connected to the stamp, two ends of the second rotating shaft are respectively supported by the first plate and the third plate, and an output shaft of the second motor is in transmission connection with the second rotating shaft.

In an optional embodiment, the first plate is provided with a first open slot, the third plate is provided with a second open slot, the first open slot and the second open slot are both communicated with the first avoidance port, and two ends of the second rotating shaft are respectively inserted into the first open slot and the second open slot.

In an alternative embodiment, the first sensor is disposed at the frame, and the detection member is disposed at the second end of the third plate; and/or a second avoidance port is formed at the joint of the second plate and the third plate, and at least part of the lifting assembly is arranged in the second avoidance port and matched with the second plate so as to drive the bracket to move between the first position and the second position.

In a second aspect, an embodiment of the present invention provides a check printer including the stamp device of any one of the preceding embodiments.

The utility model discloses seal device's beneficial effect includes: the embodiment of the utility model provides a seal device can be used for stamping thin slice class medium (hereinafter referred to as medium) such as check, when using, can utilize lifting subassembly drive support to move to first position to make the seal subassembly upwards move and reserve the accommodation space that is used for the medium to get into in the below of seal subassembly, after the medium gets into the accommodation space, lifting subassembly drive support moves to the second position, so that the seal subassembly moves downwards and with get into the medium cooperation of accommodation space; when the support moves to the second position, first sensor and detection piece cooperation can judge through the detected signal of first sensor output that the support moves to the second position, and then can utilize the medium cooperation in seal subassembly and the accommodation space when the support reaches the second position, carry out the operation of stamping, improve the efficiency of medium stamping to when confirming the support and moving to the second position, just stamp the medium in the accommodation space, can also improve the problem of the dislocation of stamping.

The utility model discloses check printer's beneficial effect includes: the embodiment of the utility model provides a check printer includes foretell seal device, and the seal device can be used for the check to stamp, and stamps efficiently, is difficult to the dislocation during the stamp.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a stamp device according to an embodiment of the present invention;

fig. 2 is a schematic view of an exploded structure of the stamp device according to the embodiment of the present invention.

Icon: 010-a stamp device; 100-a scaffold; 110-a first plate; 120-a second plate; 130-a third plate; 141-first grooving; 142-a second slot; 143-a first avoidance port; 144-a second avoidance port; 200-a detection component; 210-a detection member; 220 — a first sensor; 230-a second sensor; 300-a stamp assembly; 310-a seal; 311-a second rotating shaft; 400-a lift assembly; 410-a cam; 420-a first motor; 430-a cover plate; 431-a fourth plate; 432-a fifth plate; 433-sixth plate; 434-third avoidance port.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides a check printer that can be used to print and stamp checks.

The check printer includes a stamp device for stamping a check, for example: when the printed check needs to be invalidated, the seal device is used to seal the seal with the word of "invalidation" when the check is being invalidated.

It should be noted that other structures and operation principles of the check printer are similar to those of the related art, and are not described herein again.

Referring to fig. 1, a stamp device 010 of the present embodiment includes a frame, a support 100, a detection assembly 200, a stamp assembly 300, and a lifting assembly 400, where the support 100 is movably connected to the frame, the stamp assembly 300 is disposed on the support 100, and the lifting assembly 400 is matched with the support 100 to drive the support 100 to move to a first position, so that the stamp device 010 moves upward and an accommodating space for a medium to enter is reserved below the stamp device 010, or to drive the support 100 to move to a second position, so that the stamp assembly 300 moves downward and is matched with the medium entering the accommodating space; the detecting assembly 200 includes a first sensor 220 and a detecting member 210, one of the first sensor 220 and the detecting member 210 is disposed on the frame, the other of the first sensor 220 and the detecting member 210 is disposed on the bracket 100, and the first sensor 220 is engaged with the detecting member 210 when the bracket 100 is located at the second position.

When the stamp device 010 is used, the lifting assembly 400 is used for driving the bracket 100 to move to the first position, so that the stamp assembly 300 moves upwards and an accommodating space for a medium to enter is reserved below the stamp assembly 300, and after the medium enters the accommodating space, the lifting assembly 400 drives the bracket 100 to move to the second position, so that the stamp assembly 300 moves downwards and is matched with the medium entering the accommodating space; when the support 100 moves to the second position, the first sensor 220 is matched with the detection piece 210, the support 100 can be judged to move to the second position through the detection signal output by the first sensor 220, and then when the support 100 reaches the second position, the seal assembly 300 is matched with the medium in the accommodating space to seal, the efficiency of medium sealing is improved, the medium in the accommodating space is sealed only when the support 100 is determined to move to the second position, and the problem of sealing dislocation can be solved.

It should be noted that the check printer includes a controller, the lifting assembly 400, the stamp assembly 300 and the first sensor 220 are all electrically connected to the controller, and when the first sensor 220 detects the detecting member 210, the first detecting signal is sent to the controller, so that the controller controls the stamp device 010 to stamp the medium in the accommodating space according to the first detecting signal. Of course, the controller can also be used to control the lift assembly 400 to move the support 100 between the first and second positions.

Further, referring to fig. 1, the detecting assembly 200 further includes a second sensor 230, the first sensor 220 and the second sensor 230 are both disposed on the frame, and the detecting member 210 is disposed on the bracket 100; the second sensor 230 is engaged with the detecting member 210 when the stand 100 is located at the first position. Specifically, when the bracket 100 is located at the first position, the second sensor 230 is engaged with the detecting member 210, and the first sensor 220 is separated from the detecting member 210; when the bracket 100 is located at the second position, the first sensor 220 is engaged with the detecting member 210, and the second sensor 230 is separated from the detecting member 210.

With such an arrangement, the position of the bracket 100 can be reliably determined by using the detection signals output by the first sensor 220 and the second sensor 230, so that the medium can smoothly enter the accommodating space when the bracket 100 is located at the first position, and the medium in the accommodating space is stamped when the bracket 100 is located at the second position.

It should be noted that the second sensor 230 is electrically connected to the controller, and when the second sensor 230 is engaged with the detecting member 210, the second sensor 230 outputs a second detection signal to the controller. When the sensor is engaged with the detecting member 210, the sensor may output a high level, which is denoted by 1; when the sensor is separated from the sensing member 210, the sensor may output a low level, indicated by 0; when the combined signal received by the controller is 1,0, it is determined that the stand 100 is located at the second position, and when the combined signal received by the controller is 0,1, it is determined that the stand 100 is located at the first position.

Of course, in other embodiments, the sensor may output a low level when the sensor is engaged with the detecting member 210; when the sensor is separated from the sensing member 210, the sensor may output a high level, which is not particularly limited herein.

It should be noted that, in other embodiments, the first sensor 220 and the second sensor 230 are both disposed on the bracket 100, and the detecting member 210 is disposed on the rack.

The stamping device 010 provided in this embodiment may also be used in an invoice printer, and is not particularly limited herein.

In this embodiment, referring to fig. 2, the bracket 100 is rotatably connected to the frame; further, a first end of the support 100 is rotatably connected to the frame via a first rotation shaft, and the lifting assembly 400 is coupled to the support 100 for driving a second end of the support 100 to rotate about the first rotation shaft to move the support 100 between the first position and the second position. With such an arrangement, the structure of the stamp device 010 can be simplified, so that the stamp device 010 is easy to assemble and operate.

Of course, in other embodiments, the support 100 is slidably coupled to the frame, such as by a slide rail, etc., and the lift assembly 400 is coupled to the support 100 for driving the support 100 to slide up and down relative to the frame to switch between the first position and the second position.

Optionally, referring to fig. 2, the bracket 100 includes a first plate 110, a second plate 120, and a third plate 130, which are connected in sequence at an angle, a first end of the first plate 110 and a first end of the third plate 130 are rotatably connected to the rack through a first rotating shaft, the second plate 120 is provided with a first avoiding opening 143, and the stamp assembly 300 extends into the accommodating space from the first avoiding opening 143 and can be matched with a medium located in the accommodating space; the lift assembly 400 cooperates with the second plate 120 to drive the carriage 100 between the first and second positions. With such an arrangement, when the lifting assembly 400 drives the bracket 100 to move to the second position, the stamp assembly 300 extending into the accommodating space from the first avoiding opening 143 can be matched with the medium in the accommodating space to stamp on the medium, so as to ensure the reliability of the stamp device 010.

The connection manner of the first plate 110, the second plate 120 and the third plate 130 can be selected according to the requirement, and for example, the connection manner can be integrally formed, welded or connected by a fastener such as a bolt, and the like, and is not limited in detail herein.

Referring to fig. 2, the stamp assembly 300 of the present embodiment includes a second motor and a stamp 310, the second motor is disposed on the bracket 100, and an output shaft of the second motor is in transmission connection with the stamp 310 for driving the stamp 310 to rotate, so as to stamp on the medium in the accommodating space when the bracket 100 is located at the second position. By the arrangement, the support 100 can be driven by the lifting assembly 400 to move at the first position and the second position, so that the second motor and the stamp 310 synchronously move along with the support 100, the structural stability between the second motor and the stamp 310 is ensured, and the stamp 310 can be reliably driven to rotate when an output shaft of the second motor rotates, so that the stamp 310 rolls on the surface of a medium to complete stamping operation.

It should be noted that, when the bracket 100 is located at the first position, the stamp 310 and the second motor move upward at the same time, and an accommodating space is formed below the stamp 310; when the bracket 100 is located at the second position, the stamp 310 and the second motor move downward at the same time, and the stamp 310 extends into the accommodating space to be matched with the medium in the accommodating space, that is, the stamp 310 extends into the accommodating space to be in contact with the medium in the accommodating space, for example: abutting or face contacting to enable stamp 310 to stamp a media surface.

It should be noted that the housing of the second motor may be fixedly connected to at least one of the first plate 110, the second plate 120, and the third plate 130, and the connection manner may be bonding, clamping, or connecting with a fastener such as a bolt, and is not limited in this respect. The included angle of the first plate 110 and the second plate 120, and the included angle of the second plate 120 and the third plate 130 may be 90 °, 95 °, 89 °, and the like.

Referring to fig. 1 and 2, the stamp assembly 300 of the present embodiment further includes a second rotating shaft 311 coaxially and fixedly connected to the stamp 310, two ends of the second rotating shaft 311 are respectively supported by the first plate 110 and the third plate 130, and an output shaft of the second motor is in transmission connection with the second rotating shaft 311. When the output shaft of the second motor drives the second rotating shaft 311 to rotate, the seal 310 can be driven to rotate by the second rotating shaft 311, so that the seal 310 can roll on the surface of the medium to seal. The first plate 110 and the third plate 130 are supported at two ends of the second rotating shaft 311, so that the stability of the seal 310 arranged on the bracket 100 can be ensured, and the seal 310 can be reliably stamped.

Further, referring to fig. 2, the first plate 110 is provided with a first slot 141, the third plate 130 is provided with a second slot 142, the first slot 141 and the second slot 142 are both communicated with the first avoiding opening 143, two ends of the second rotating shaft 311 are respectively inserted into the first slot 141 and the second slot 142, and specifically, two ends of the second rotating shaft 311 are respectively rotatably inserted into the first slot 141 and the second slot 142. By such arrangement, the seal 310 can be reliably disposed on the bracket 100 through the second rotating shaft 311, and the seal 310 can be ensured to extend into the accommodating space from the first avoiding opening 143, and when the bracket 100 is located at the second position, the seal 310 can be ensured to extend into the accommodating space to be matched with a medium entering the accommodating space, so as to stamp on the medium.

It should be noted that, the first slot 141 and the second slot 142 are both open slots, and thus, the assembly of the second rotating shaft 311 is facilitated.

It should be further noted that the second rotating shaft 311 may be directly and coaxially connected to the output shaft of the second motor, or the second rotating shaft 311 may also be in transmission connection with the second motor through a gear assembly or the like.

Referring to fig. 2, the stamp device 010 further includes a cover plate 430, the cover plate 430 is provided with a third avoiding opening 434, the cover plate 430 is connected to the bracket 100, the third avoiding opening 434 is opposite to and communicated with the first avoiding opening 143, the stamp 310 can extend out of the third avoiding opening 434, the cover plate 430 can shield the openings of the first slot 141 and the second slot 142, so as to prevent the second rotating shaft 311 from falling off from the first slot 141 and the second slot 142, i.e., to ensure that two ends of the second rotating shaft 311 are respectively and stably inserted into the first slot 141 and the second slot 142. Further, the cover plate 430 includes a fourth plate 431, a fifth plate 432 and a sixth plate 433 which are connected in sequence at an angle, the fifth plate 432 is connected to the second plate 120, the fifth plate 432 is opposite to the second plate 120, the fifth plate 432 is provided with a third avoidance port 434, the fourth plate 431 is distributed opposite to the first plate 110, the sixth plate 433 is distributed opposite to the third plate 130, the connection between the fourth plate 431 and the fifth plate 432 is shielded at the opening of the first slot 141, the connection between the fifth plate 432 and the sixth plate 433 is shielded at the opening of the second slot 142, that is, the connection between the fourth plate 431 and the fifth plate 432 prevents the second rotating shaft 311 from separating from the first slot 141, and the connection between the fifth plate 432 and the sixth plate 433 prevents the second rotating shaft 311 from separating from the second slot 142.

It should be noted that the connection manner of the fourth plate 431, the fifth plate 432 and the sixth plate 433 may be integrally formed or welded, etc., and the included angle between the fourth plate 431 and the fifth plate 432 and the included angle between the fifth plate 432 and the sixth plate 433 may be 90 °, 95 °, 89 °, etc. The fifth plate 432 and the second plate 120 may be connected by a fastener such as a bolt, welded, clamped, etc., and is not particularly limited herein.

The first sensor 220 and the second sensor 230 of the present embodiment are both disposed on the frame, and the detecting member 210 is disposed at the second end of the third plate 130; with such an arrangement, interference of other structures on the cooperation of the first sensor 220, the second sensor 230 and the detection member 210 can be avoided, and interference of the first sensor 220, the second sensor 230 and the detection member 210 on the movement of the bracket 100 can also be avoided.

Further, the detection member 210 is a detection plate, and the detection plate is fixedly connected to the second end of the third plate 130, and the connection manner may be integrally formed, welded, and the like, and is not limited specifically herein.

It should be noted that each of the first sensor 220 and the second sensor 230 may be a transmission sensor, a photoelectric sensor, or the like, and is not limited in particular.

Referring to fig. 2, a second avoiding opening 144 is formed at a connection position of the second plate 120 and the third plate 130, and at least a portion of the lifting assembly 400 is disposed in the second avoiding opening 144 and is matched with the second plate 120 to drive the bracket 100 to move between the first position and the second position. With this arrangement, the structure of stamp device 010 can be made more compact, and it is ensured that lift assembly 400 can reliably drive carriage 100 to move between the first position and the second position.

Optionally, referring to fig. 2, the lifting assembly 400 includes a first motor 420 and a cam 410, an output shaft of the first motor 420 is in transmission connection with the cam 410 for driving the cam 410 to rotate, the cam 410 is engaged with the bracket 100, and when the output shaft of the first motor 420 drives the cam 410 to rotate, the cam 410 drives the bracket 100 to move between the first position and the second position. Further, the first motor 420 is disposed on the frame, the cam 410 and the output shaft of the first motor 420 are disposed in the second avoiding opening 144, the cam 410 is engaged with the second plate 120, specifically, the cam 410 abuts against one side of the second plate 120 facing the accommodating space, when the output shaft of the second motor rotates, the cam 410 is driven to rotate, so as to raise or lower the second plate 120 by using the cam 410, and further, the second end of the bracket 100 rotates around the first rotating shaft, that is, the bracket 100 moves between the first position and the second position.

It should be noted that the first motor 420 may be fixedly coupled to the frame using fasteners such as bolts to improve the stability of the lift assembly 400. Further, the cam 410 may be directly and fixedly connected coaxially with the output shaft of the first motor 420, or the cam 410 may be in transmission connection with the output shaft of the first motor 420 through a gear assembly or the like.

It should be noted that, in other embodiments, the lifting assembly 400 may further include an electric push rod, the electric push rod is disposed on the frame and located in the second avoiding opening 144, the electric push rod abuts against one side of the second plate 120 facing the accommodating space, when the electric push rod extends, the electric push rod pushes the bracket 100 to rotate around the first rotating shaft to the first position, and when the electric push rod shortens, the electric push rod drives the bracket 100 to rotate around the first rotating shaft to the second position.

The check printer of this embodiment is provided with seal device 010, can directly utilize seal device 010 to seal the operation of stamping to the check, and seal device 010 includes for the work flow of medium stamping: the lifting assembly 400 is used for driving the bracket 100 to move to the first position, so that the stamp assembly 300 moves upwards, a containing space is formed below the stamp 310, and a medium can enter the containing space; the support 100 is driven by the lifting assembly 400 to move to the second position, so that the stamp assembly 300 moves downwards, and the stamp 310 extends into the accommodating space to be matched with the medium, so as to stamp the medium by the stamp 310.

To sum up, the utility model provides a stamp device 010 can be used for check printer, when using, can utilize lifting subassembly 400 drive support 100 to move to the first position to make seal subassembly 300 move upwards and reserve the accommodation space that is used for supplying the medium to get into below seal subassembly 300, after the medium gets into the accommodation space, lifting subassembly 400 drive support 100 moves to the second position, so that seal subassembly 300 moves downwards and cooperates with the medium that gets into the accommodation space; when the support 100 moves to the second position, the first sensor 220 is matched with the detection piece 210, the support 100 can be judged to move to the second position through the detection signal output by the first sensor 220, and then when the support 100 reaches the second position, the seal assembly 300 is matched with the medium in the accommodating space to seal, the efficiency of medium sealing is improved, the medium in the accommodating space is sealed only when the support 100 is determined to move to the second position, and the problem of sealing dislocation can be solved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A stamp device is characterized by comprising a rack, a support, a detection assembly, a stamp assembly and a lifting assembly, wherein the support is movably connected with the rack, the stamp assembly is arranged on the support, and the lifting assembly is matched with the support and used for driving the support to move to a first position so as to enable the stamp assembly to move upwards and reserve an accommodating space for a medium to enter below the stamp assembly, or used for driving the support to move to a second position so as to enable the stamp assembly to move downwards and be matched with the medium entering the accommodating space;

the detection assembly comprises a first sensor and a detection piece, one of the first sensor and the detection piece is arranged on the rack, the other of the first sensor and the detection piece is arranged on the bracket, and when the bracket is located at the second position, the first sensor is matched with the detection piece.

2. The stamp device according to claim 1, wherein said detecting assembly further comprises a second sensor, said first sensor and said second sensor are both disposed on said frame, said detecting member is disposed on said bracket; the second sensor cooperates with the detection member when the bracket is in the first position.

3. The stamp device according to claim 1, wherein the lifting assembly includes a first motor and a cam, an output shaft of the first motor is drivingly connected to the cam for driving the cam to rotate, the cam is engaged with the bracket, and the cam drives the bracket to move between the first position and the second position when the output shaft of the first motor drives the cam to rotate.

4. The stamp device according to claim 1, wherein a first end of the support is pivotally connected to the frame via a first pivot, and the lifting assembly is engaged with the support for driving a second end of the support to pivot about the first pivot to move the support between the first position and the second position.

5. The stamp device according to claim 4, wherein the bracket includes a first plate, a second plate and a third plate which are connected in sequence at an angle, the first end of the first plate and the first end of the third plate are rotatably connected to the frame through the first rotating shaft, the second plate is provided with a first avoiding opening, and the stamp assembly extends into the accommodating space from the first avoiding opening and can be matched with the medium in the accommodating space; the lift assembly cooperates with the second plate to drive the bracket between the first position and the second position.

6. The stamp device according to claim 5, wherein the stamp assembly includes a second motor and a stamp, the second motor is disposed on the bracket, and an output shaft of the second motor is in transmission connection with the stamp for driving the stamp to rotate, so as to stamp on the medium in the accommodating space when the bracket is located at the second position.

7. The stamp device according to claim 6, wherein the stamp assembly further comprises a second shaft coaxially and fixedly connected to the stamp, both ends of the second shaft are supported by the first plate and the third plate, respectively, and an output shaft of the second motor is in transmission connection with the second shaft.

8. The stamp device according to claim 7, wherein the first plate has a first slot, the third plate has a second slot, the first slot and the second slot are both connected to the first avoiding opening, and two ends of the second shaft are respectively inserted into the first slot and the second slot.

9. The stamp device according to claim 5, wherein the first sensor is disposed at the housing, and the detecting member is disposed at the second end of the third plate; and/or the presence of a gas in the gas,

and a second avoidance port is formed at the joint of the second plate and the third plate, and at least part of the lifting assembly is arranged in the second avoidance port and is matched with the second plate so as to drive the support to move between the first position and the second position.

10. A check printer comprising a stamp device according to any one of claims 1 to 9.

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