Printing paper roll storage device and portable ship valuing machine

Abstract

The utility model relates to the technical field of self-service ship valuing equipment, in particular to a printing paper roll storage device and a portable ship valuing machine, and the printing paper roll storage device comprises an assembly lining, an assembly groove, a storage cavity, a bearing module, a plurality of printing paper rolls and a plurality of reels; the assembling groove is formed in the top of the assembling lining and is vertically formed in the axial direction of the assembling lining; the storage cavity is formed in the assembling lining, a top port of the storage cavity is exposed to the top surface of the assembling lining, a bottom port of the storage cavity communicates with the bottom of an inner cavity of the assembling groove, and the multiple printing paper rolls are stored in the storage cavity and are sequentially arranged along the guiding direction of the storage cavity; the multiple reels are movably arranged in the storage cavity and arranged on the multiple reels in a sleeving mode correspondingly. The bearing module is arranged in the assembling groove, and the bearing module is connected with one of the reels and used for supporting one of the reels. The utility model overcomes the defect of inconvenience in carrying in the prior art, and has the characteristic of convenience in use.

Description

Technical Field

[0001] The utility model relates to the technical field of self-service ship check-in equipment, in particular to a printing paper roll storage device and a portable ship check-in machine. Background Art

[0002] The portable check-in machine is a self-service interactive machine designed for ship check-in services. It has the advantage of being easy to carry. Passengers can use their ID to print boarding passes and luggage tags on the portable check-in machine and complete the check-in procedures.

[0003] In the prior art, the printing paper roll storage device of the portable onboard machine can generally only store one printing paper roll, and the user generally needs to store and carry the spare printing paper roll separately, which has the defect of being inconvenient to carry. Utility Model Content

[0004] In order to solve the technical problem in the prior art that a user is required to store and carry spare printing paper rolls separately when using a portable ship value-added machine, the present invention provides a printing paper roll storage device, comprising: an assembly liner, an assembly slot, a storage cavity, a supporting module, a plurality of printing paper rolls, and a plurality of scrolls;

[0005] The assembly groove is opened on the top of the assembly liner, and the assembly groove is vertically arranged along the axial direction of the assembly liner;

[0006] The storage cavity is arranged inside the assembly liner, the top port of the storage cavity is exposed to the top surface of the assembly liner, the bottom port of the storage cavity is communicated with the bottom of the inner cavity of the assembly slot, and the plurality of external printing paper rolls are stored inside the storage cavity, and the plurality of printing paper rolls are arranged in sequence along the guide of the storage cavity;

[0007] A plurality of reels are movably arranged inside the storage chamber, and a plurality of printing paper rolls are respectively sleeved on the plurality of reels;

[0008] The supporting module is arranged inside the assembly groove, and the supporting module is connected to one of the reels and is used for supporting one of the reels.

[0009] Furthermore, the supporting module includes: an assembly bracket, a pair of assembly components and a plurality of support components:

[0010] The assembly bracket is movably arranged in the inner cavity of the assembly groove;

[0011] A pair of assembly components are arranged on the inner wall of the assembly bracket, and when the supporting module lifts one of the reels, the pair of assembly components are respectively connected to the two ends of the reel;

[0012] A plurality of support components are arranged in the inner cavity of the assembly groove, and the plurality of support components are respectively connected to the assembly bracket for supporting the assembly bracket.

[0013] Furthermore, the assembly assembly includes: a pair of adapter shafts, a pair of assembly rods, a pair of return torsion springs and a pair of limiting protrusions;

[0014] A pair of adapter shafts are fixedly arranged on the inner wall of the assembly bracket;

[0015] A pair of assembly rods are movably arranged in the inner cavity of the assembly bracket, the middle sections of the pair of assembly rods are respectively rotatably connected to the pair of adapter shafts, and the head ends of the pair of assembly rods are staggered with each other. When the support module holds up the reel, the head ends of the pair of assembly rods abut against one end of the reel, and the end of the reel is located between the intersection of the head ends of the pair of assembly rods and the top port of the assembly bracket;

[0016] A pair of reset torsion springs are respectively arranged at the rotational connection between the pair of adapter shafts and the pair of assembly rods, one end of the reset torsion spring is connected to the adapter shaft, and the other end of the reset torsion spring is connected to the assembly rod, for driving the assembly rod to flip and reset;

[0017] A pair of limiting protrusions are fixedly arranged on the inner wall of the assembly bracket, and the pair of limiting protrusions respectively match the positions of the tail ends of a pair of assembly rods. Any limiting protrusion is located between the tail end of one of the assembly rods and the top port of the assembly bracket, and is used to limit the assembly rod.

[0018] Furthermore, the assembly rod is a bent rod. When the head ends of a pair of assembly rods are in a mutually intersecting state, the head ends of the pair of assembly rods are combined to form a receiving groove, which is a U-shaped groove, and the notch of the receiving groove faces the top port direction of the assembly bracket.

[0019] Furthermore, the support assembly includes: a guide groove, a guide rod, a guide protrusion, a guide hole and a return spring;

[0020] The guide groove is formed on the circumferential inner wall of the assembly groove, is vertically arranged along the axial direction of the assembly groove, and a top end of the guide groove is exposed to the top surface of the assembly liner;

[0021] The guide rod is arranged in the inner cavity of the guide groove, the bottom end of the guide rod is connected to the bottom wall of the inner cavity of the guide groove, and the guide rod is vertically arranged along the axial direction of the assembly groove;

[0022] The guide protrusion is fixedly arranged on the assembly bracket, and the guide protrusion is located in the inner cavity of the guide groove;

[0023] The guide hole is formed on the guide protrusion, and the guide protrusion is movably sleeved on the guide rod through the guide hole, so as to guide the assembly bracket;

[0024] The return spring is sleeved on the guide rod, one end of the return spring is connected to the inner cavity bottom wall of the guide groove, and the other end of the return spring is connected to the guide protrusion for elastically supporting the guide protrusion.

[0025] Furthermore, the support assembly further comprises: a drive groove, a thread groove and a nut;

[0026] The driving groove is formed on the top end surface of the guide rod, and the bottom end of the guide rod is rotatably connected to the bottom wall of the inner cavity of the guide groove;

[0027] The thread groove is formed on the circumferential side wall of the guide rod, and the thread groove is distributed along the axial direction of the guide rod;

[0028] The nut is movably sleeved on the guide rod, the nut is engaged with the thread groove, the nut is located between the guide protrusion and the top end of the guide groove, and the radial cross-sectional shape of the nut matches that of the guide groove.

[0029] Furthermore, the assembly bracket further comprises: an assembly window, a baffle and a pair of connecting components;

[0030] The assembly window is opened on the side wall of one side of the assembly bracket, the assembly window is communicated with the inner cavity of the assembly bracket, and the assembly window is exposed to the bottom end surface of the assembly bracket;

[0031] The baffle is movably arranged in the assembly window, and the baffle matches the position of the bottom port of the storage cavity, and is used to limit the printing paper roll located in the storage cavity;

[0032] A pair of connecting components are respectively arranged on the side walls on both sides of the baffle, and the pair of connecting components are respectively connected to the inner walls of the assembly window for assembling the baffle into the assembly window.

[0033] Furthermore, the connecting assembly includes: a chute and a slider;

[0034] The slide groove is formed on the inner wall of the assembly window, and is vertically arranged along the axial direction of the assembly bracket, with the top end of the slide groove exposed to the top end surface of the assembly bracket;

[0035] The slider is fixedly arranged on the side wall of one side of the baffle, and the slider is slidably connected to the slide groove, and is used for slidingly assembling the baffle into the assembly window.

[0036] Furthermore, the assembly bracket further includes: a driving handle, which is fixedly arranged on the top of the assembly bracket.

[0037] Another embodiment of the present invention provides a portable ship check-in machine, comprising: a suitcase, a portable intelligent terminal, a plurality of printing devices, a plurality of printing paper roll storage devices and an ID recognition device;

[0038] The assembly liner is fixedly arranged in the inner cavity of the suitcase body;

[0039] The portable intelligent terminal is fixedly arranged in the inner cavity of the suitcase lid;

[0040] A plurality of printing devices are fixedly arranged on the assembly lining, and the plurality of printing devices are wirelessly connected to the portable intelligent terminal;

[0041] The positions of the plurality of printing paper roll storage devices correspond one to one with the positions of the plurality of printing devices, and the printing paper rolls held by the supporting modules of the plurality of printing paper roll storage devices are connected to the plurality of printing devices respectively;

[0042] The certificate recognition device is arranged on the assembly lining, and the certificate recognition device is connected to the portable intelligent terminal via wireless communication.

[0043] The printing paper roll storage device and the portable ship valet according to the embodiment of the utility model have the following beneficial effects:

[0044] 1. The printing paper roll storage device of the present invention adds a storage cavity on the assembly lining, and uses the storage cavity to store the spare printing paper roll inside the assembly lining, thereby making it convenient for users to carry the spare printing paper roll, thereby solving the technical problem of the prior art that the user needs to store and carry the spare printing paper roll separately, which causes inconvenience in carrying.

[0045] 2. The assembly bracket of the present invention uses a pair of assembly components to support the two ends of the scroll and uses a support component to elastically support the assembly bracket, so that the user can easily replace the scroll and printing paper roll it carries by lifting and pressing the assembly bracket, thereby enhancing the convenience of use of the device.

[0046] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 This is a schematic diagram of the assembly of the printing paper roll storage device according to the present invention;

[0048] Figure 2 It is a parts diagram of the assembled liner according to the utility model;

[0049] Figure 3 Schematic diagram of the internal structure of the printing paper roll storage device according to the present invention;

[0050] Figure 4 This is a schematic diagram of the assembly of the support module according to the present invention;

[0051] Figure 5 for Figure 4 A partial enlarged schematic diagram of area A in the middle;

[0052] Figure 6 It is a schematic diagram of the structural decomposition of the supporting module according to the present invention;

[0053] Figure 7 The figure is a schematic diagram of the assembly of the portable ship value machine according to the present utility model.

[0054] Description of the accompanying drawings:

[0055] 1-Assembly lining, 2-Assembly slot, 3-Storage cavity, 4-Support module, 41-Assembly bracket, 411-Assembly window, 412-Baffle, 4131-Slide slot, 4132-Slider, 414-Drive handle, 42-Assembly component, 421-Adapter shaft, 422-Assembly rod, 4221-Accommodating slot, 423-Limiting protrusion, 43-Support component, 431-Guide slot, 432-Guide rod, 433-Guide protrusion, 434-Guide hole, 435-Reset spring, 436-Drive slot, 437-Nut, 5-Printing paper roll, 6-Scroll, 7-Suitcase, 8-Portable intelligent terminal, 9-Printing device, 10-Document recognition device. DETAILED DESCRIPTION

[0056] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to further illustrate the present invention.

[0057] The aforementioned and other technical aspects, features, and functions of the present invention will be more clearly understood in the following detailed description of the embodiments with reference to the accompanying drawings. Directional terms such as up, down, left, right, front, and back, used in the following embodiments, are merely references to the directions in the accompanying drawings. Therefore, the directional terms used are for illustrative purposes only and are not intended to limit the present invention. Furthermore, identical reference numerals throughout the embodiments denote identical components.

[0058] First, combine Figures 1 to 6 The printing paper roll storage device according to the embodiment of the utility model is described, which is used for printing portable ship value machine tickets and has a wide range of application scenarios.

[0059] like Figure 1 、 2 As shown, the printing paper roll storage device of the embodiment of the present invention includes: an assembly liner 1, an assembly slot 2, a storage cavity 3, a supporting module 4, a plurality of printing paper rolls 5 and a plurality of reels 6.

[0060] Specifically, if Figure 1 、 2As shown, the assembly slot 2 is opened at the top of the assembly lining 1, and the assembly slot 2 is vertically arranged along the axial direction of the assembly lining 1; the storage cavity 3 is arranged inside the assembly lining 1, and the top port of the storage cavity 3 is exposed to the top surface of the assembly lining 1, and the bottom port of the storage cavity 3 is connected with the bottom of the inner cavity of the assembly slot 2, and several external printing paper rolls 5 are stored inside the storage cavity 3, and several printing paper rolls 5 are arranged in sequence along the guide of the storage cavity 3; several reels 6 are movably arranged inside the storage cavity 3, and several printing paper rolls 5 are respectively sleeved on several reels 6; the supporting module 4 is arranged inside the assembly slot 2, and the supporting module 4 is connected to one of the reels 6 for supporting one of the reels 6.

[0061] Further, if Figures 1 to 4 As shown, the supporting module 4 includes: an assembly bracket 41, a pair of assembly components 42 and a plurality of support components 43: the assembly bracket 41 is movably arranged in the inner cavity of the assembly slot 2; a pair of assembly components 42 are arranged on the inner wall of the assembly bracket 41, and when the supporting module 4 lifts one of the reels 6, the pair of assembly components 42 are respectively connected to the two ends of the reel 6; a plurality of support components 43 are arranged in the inner cavity of the assembly slot 2, and a plurality of support components 43 are respectively connected to the assembly bracket 41 for supporting the assembly bracket 41.

[0062] Further, if Figures 1 to 6 As shown, the assembly component 42 includes: a pair of adapter shafts 421, a pair of assembly rods 422, a pair of return torsion springs (not shown in the figure) and a pair of limiting protrusions 423; a pair of adapter shafts 421 are fixedly arranged on the inner wall of the assembly bracket 41; a pair of assembly rods 422 are movably arranged in the inner cavity of the assembly bracket 41, and the middle sections of the pair of assembly rods 422 are respectively rotatably connected to the pair of adapter shafts 421, and the head ends of the pair of assembly rods 422 are staggered with each other. When the supporting module 4 holds up the reel 6, the head ends of the pair of assembly rods 422 abut against one end of the reel 6, and the end of the reel 6 is located at the intersection of the head ends of the pair of assembly rods 422 and the assembly Between the top ports of the bracket 41; a pair of return torsion springs are respectively arranged at the rotating connections between a pair of adapter shafts 421 and a pair of assembly rods 422, one end of the return torsion spring is connected to the adapter shaft 421, and the other end of the return torsion spring is connected to the assembly rod 422, which is used to drive the assembly rod 422 to flip and reset; a pair of limiting protrusions 423 are fixedly provided on the inner wall of the assembly bracket 41, and a pair of limiting protrusions 423 respectively match the positions of the tail ends of a pair of assembly rods 422, and any limiting protrusion 423 is located between the tail end of one of the assembly rods 422 and the top port of the assembly bracket 41, and is used to limit the assembly rod 422.

[0063] Further, if Figures 1 to 6As shown, the assembly rod 422 is a bent rod. When the head ends of a pair of assembly rods 422 are in a mutually intersecting state, the head ends of the pair of assembly rods 422 are combined to form a receiving groove 4221. The receiving groove 4221 is a U-shaped groove, and the notch of the receiving groove 4221 faces the top port direction of the assembly bracket 41.

[0064] Further, if Figures 1 to 6 As shown, the support assembly 43 includes: a guide groove 431, a guide rod 432, a guide protrusion 433, a guide hole 434 and a return spring 435; the guide groove 431 is opened on the circumferential inner wall of the assembly groove 2, the guide groove 431 is vertically arranged along the axial direction of the assembly groove 2, and the top end of the guide groove 431 is exposed to the top surface of the assembly liner 1; the guide rod 432 is arranged in the inner cavity of the guide groove 431, the bottom end of the guide rod 432 is connected to the inner cavity bottom wall of the guide groove 431, and the guide rod 432 is vertically arranged along the axial direction of the assembly groove 2; The guide protrusion 433 is fixedly set on the assembly bracket 41, and the guide protrusion 433 is located in the inner cavity of the guide groove 431; the guide hole 434 is opened on the guide protrusion 433, and the guide protrusion 433 is movably sleeved on the guide rod 432 through the guide hole 434, for guiding the assembly bracket 41; the return spring 435 is sleeved on the guide rod 432, one end of the return spring 435 is connected to the bottom wall of the inner cavity of the guide groove 431, and the other end of the return spring 435 is connected to the guide protrusion 433, for elastically supporting the guide protrusion 433.

[0065] Further, if Figures 1 to 6 As shown, the support assembly 43 also includes: a drive groove 436, a thread groove (not shown in the figure) and a nut 437; the drive groove 436 is provided on the top end face of the guide rod 432, and the bottom end of the guide rod 432 is rotatably connected to the bottom wall of the inner cavity of the guide groove 431; the thread groove is provided on the circumferential side wall of the guide rod 432, and the thread groove is distributed along the axial direction of the guide rod 432; the nut 437 is movably sleeved on the guide rod 432, the nut 437 is engaged with the thread groove, the nut 437 is located between the guide protrusion 433 and the top port of the guide groove 431, and the nut 437 matches the radial cross-sectional shape of the guide groove 431.

[0066] Further, if Figures 1 to 6As shown, the assembly bracket 41 also includes: an assembly window 411, a baffle 412 and a pair of connecting components; the assembly window 411 is opened on the side wall of one side of the assembly bracket 41, the assembly window 411 is connected to the inner cavity of the assembly bracket 41, and the assembly window 411 is exposed to the bottom end surface of the assembly bracket 41; the baffle 412 is movably arranged in the assembly window 411, and the baffle 412 matches the position of the bottom port of the storage cavity 3, and is used to limit the printing paper roll 5 located in the storage cavity 3; a pair of connecting components are respectively arranged on the side walls on both sides of the baffle 412, and a pair of connecting components are respectively connected to the inner wall of the assembly window 411, and are used to assemble the baffle 412 into the assembly window 411.

[0067] Further, if Figures 1 to 6 As shown, the connecting component includes: a slide groove 4131 and a slider 4132; the slide groove 4131 is opened on the inner wall of the assembly window 411, the slide groove 4131 is vertically arranged along the axial direction of the assembly bracket 41, and the top port of the slide groove 4131 is exposed to the top end surface of the assembly bracket 41; the slider 4132 is fixedly arranged on the side wall of one side of the baffle 412, and the slider 4132 is slidably connected to the slide groove 4131, and is used to slide the baffle 412 into the assembly window 411. When the slider 4132 abuts against the bottom wall of the inner cavity of the slide groove 4131, the distance between the bottom of the baffle 412 and the bottom wall of the inner cavity of the assembly groove 2 is smaller than the distance between the upper edge of the bottom port of the storage cavity 3 and the bottom wall of the inner cavity of the assembly groove 2.

[0068] Further, if Figures 1 to 6 As shown, the assembly bracket 41 further includes a driving handle 414 , which is fixedly disposed on the top of the assembly bracket 41 .

[0069] In this embodiment, when the user needs to replace the paper roll held by the supporting module 4, the user controls the driving handle 414 to lift the assembly bracket 41 upwards for a certain distance, and lifts the bottom of the baffle 412 set on the assembly bracket 41 to the upper side of the upper edge of the bottom port of the storage cavity 3. The printing paper roll 5 located at the bottom window of the storage cavity 3 rolls along the guide of the storage cavity 3 to the bottom of the inner cavity of the assembly slot 2; then the user presses the driving handle 414 to press the assembly bracket 41 to the bottom of the inner cavity of the assembly slot 2. During this process, the return spring 435 is compressed, and the end of the reel 6 of the printing paper roll 5 located at the bottom of the inner cavity of the assembly slot 2 will be set on the assembly bracket. The head ends of the assembly rods 422 of the pair of assembly components 42 on the frame 41 are pushed up until the end of the scroll 6 passes through the slit between the pair of assembly rods 422 and moves to the upper side of the assembly rods 422; next, the user releases the driving handle 414, and the reset spring 435 restores its deformation, driving the assembly bracket 41 to rise and reset. During this process, the head ends of the assembly rods 422 of the pair of assembly components 42 lift the end of the scroll 6 upward, thereby lifting the printing paper roll 5 assembled on the scroll 6 to a suitable height. Finally, the user connects the printing paper roll 5 to the printing device 9, thereby completing the replacement of the printing paper roll 5, thereby enhancing the convenience of use of the device.

[0070] like Figure 7 As shown, another embodiment of the present invention provides a portable ship check-in machine, which includes: a suitcase 7, a portable intelligent terminal 8, a plurality of printing devices 9, a plurality of printing paper roll storage devices and an ID recognition device 10.

[0071] Specifically, if Figure 7 As shown, the assembly lining 1 is fixedly arranged in the inner cavity of the body of the suitcase 7; the portable intelligent terminal 8 is fixedly arranged in the inner cavity of the lid of the suitcase 7. In this embodiment, the portable intelligent terminal 8 includes but is not limited to a tablet computer; a number of printing devices 9 are fixedly arranged on the assembly lining 1, and the number of printing devices 9 are wirelessly connected to the portable intelligent terminal 8; a number of printing paper roll storage devices correspond one to one to the positions of the number of printing devices 9, and the printing paper rolls 5 supported by the supporting modules 4 of the number of printing paper roll storage devices are respectively connected to the number of printing devices 9; the document recognition device 10 is arranged on the assembly lining 1, and the document recognition device 10 is wirelessly connected to the portable intelligent terminal 8.

[0072] In this embodiment, when a tourist prints a boarding pass, the tourist first places the identity document on the reading position of the identity document recognition device 10, and the identity document recognition device 10 recognizes and collects the identity document, and transmits the collected data to the portable intelligent terminal 8. Then, the portable intelligent terminal 8 sends a control instruction to the printing device 9 to control the printing device 9 to print the boarding pass.

[0073] In this embodiment, when the user needs to close the suitcase 7, he first presses the driving handle 414 to press the assembly bracket 41 to the bottom of the inner cavity of the assembly groove 2; then, the user uses an Allen wrench to drive the guide rod 432 of each support assembly 43 to rotate in turn. During the rotation of the guide rod 432, the assembly relationship between the nut 437 and the threaded groove is utilized to drive the nut 437 to move along the axial direction of the guide rod 432 toward the bottom of the inner cavity of the guide groove 431 until the bottom of the nut 437 abuts against the upper surface of the guide protrusion 433, thereby locking the assembly bracket 41 to the bottom of the inner cavity of the assembly groove 2; finally, the user buckles the lid of the suitcase 7 to the top port of the suitcase body 7, and locks the lid of the suitcase 7 to the body of the suitcase 7, thereby completing the closure of the suitcase 7, making it convenient for the user to carry the device.

[0074] Above, refer to Figures 1 to 7 The printing paper roll storage device and the portable ship valet machine according to the embodiment of the utility model are described, which have the following beneficial effects:

[0075] 1. The printing paper roll storage device of the present invention adds a storage cavity on the assembly lining, and uses the storage cavity to store the spare printing paper roll inside the assembly lining, thereby making it convenient for users to carry the spare printing paper roll, thereby solving the technical problem of the prior art that the user needs to store and carry the spare printing paper roll separately, which causes inconvenience in carrying.

[0076] 2. The assembly bracket of the present invention uses a pair of assembly components to support the two ends of the scroll and uses a support component to elastically support the assembly bracket, so that the user can easily replace the scroll and printing paper roll it carries by lifting and pressing the assembly bracket, thereby enhancing the convenience of use of the device.

[0077] It should be noted that, in this specification, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, elements defined by the phrase "comprising..." do not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the elements.

[0078] Although the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as limiting the present invention. After reading the above description, various modifications and alternatives to the present invention will be readily apparent to those skilled in the art. Therefore, the scope of protection of the present invention shall be defined by the appended claims.

Claims

1. A printing paper roll storage device, characterized in that: It includes: an assembly lining, an assembly slot, a storage cavity, a supporting module, a plurality of printing paper rolls and a plurality of scrolls; The assembly groove is opened on the top of the assembly liner, and the assembly groove is vertically arranged along the axial direction of the assembly liner; The storage cavity is arranged inside the assembly liner, the top port of the storage cavity is exposed to the top surface of the assembly liner, the bottom port of the storage cavity is communicated with the bottom of the inner cavity of the assembly slot, and a plurality of external printing paper rolls are stored inside the storage cavity, and the plurality of printing paper rolls are arranged in sequence along the guide of the storage cavity; The plurality of reels are movably arranged inside the storage cavity, and the plurality of printing paper rolls are respectively sleeved on the plurality of reels; The supporting module is arranged inside the assembly groove, and the supporting module is connected to one of the reels and is used to support one of the reels.

2. The printing paper roll storage device according to claim 1, wherein: The supporting module includes: an assembly bracket, a pair of assembly components and a plurality of support components: The assembly bracket is movably arranged in the inner cavity of the assembly groove; The pair of assembly components are arranged on the inner wall of the assembly bracket, and when the supporting module lifts one of the reels, the pair of assembly components are respectively connected to the two ends of the reel; The plurality of support components are arranged in the inner cavity of the assembly groove, and the plurality of support components are respectively connected to the assembly bracket to support the assembly bracket.

3. The printing paper roll storage device according to claim 2, wherein: The assembly assembly comprises: a pair of adapter shafts, a pair of assembly rods, a pair of return torsion springs and a pair of limiting protrusions; The pair of adapter shafts are fixedly arranged on the inner wall of the assembly bracket; The pair of assembly rods are movably arranged in the inner cavity of the assembly bracket, the middle sections of the pair of assembly rods are rotatably connected to the pair of adapter shafts respectively, and the head ends of the pair of assembly rods are staggered with each other. When the supporting module holds up the reel, the head ends of the pair of assembly rods abut against one end of the reel, and the end of the reel is located between the intersection of the head ends of the pair of assembly rods and the top port of the assembly bracket; The pair of return torsion springs are respectively arranged at the rotational connection between the pair of adapter shafts and the pair of assembly rods, one end of the return torsion spring is connected to the adapter shaft, and the other end of the return torsion spring is connected to the assembly rod, for driving the assembly rod to flip and reset; The pair of limiting protrusions are fixedly provided on the inner wall of the assembly bracket, and the pair of limiting protrusions respectively match the positions of the tail ends of the pair of assembly rods. Any one of the limiting protrusions is located between the tail end of one of the assembly rods and the top port of the assembly bracket, and is used to limit the assembly rod.

4. The printing paper roll storage device according to claim 3, wherein: The assembly rod is a bent rod. When the head ends of the pair of assembly rods are in a mutually intersecting state, the head ends of the pair of assembly rods are combined to form a receiving groove. The receiving groove is a U-shaped groove, and the notch of the receiving groove faces the top port direction of the assembly bracket.

5. The printing paper roll storage device according to claim 2, wherein: The support assembly includes: a guide groove, a guide rod, a guide protrusion, a guide hole and a return spring; The guide groove is formed on the circumferential inner wall of the assembly groove, and is vertically arranged along the axial direction of the assembly groove, with the top end of the guide groove exposed to the top surface of the assembly liner; The guide rod is arranged in the inner cavity of the guide groove, the bottom end of the guide rod is connected to the bottom wall of the inner cavity of the guide groove, and the guide rod is vertically arranged along the axial direction of the assembly groove; The guide protrusion is fixedly arranged on the assembly bracket, and the guide protrusion is located in the inner cavity of the guide groove; The guide hole is formed on the guide protrusion, and the guide protrusion is movably sleeved on the guide rod through the guide hole, so as to guide the assembly bracket; The return spring is sleeved on the guide rod, one end of the return spring is connected to the bottom wall of the inner cavity of the guide groove, and the other end of the return spring is connected to the guide protrusion for elastically supporting the guide protrusion.

6. The printing paper roll storage device according to claim 5, characterized in that: The support assembly further comprises: a driving groove, a thread groove and a nut; The driving groove is formed on the top end surface of the guide rod, and the bottom end of the guide rod is rotatably connected to the bottom wall of the inner cavity of the guide groove; The thread groove is provided on the circumferential side wall of the guide rod, and the thread groove is distributed along the axial direction of the guide rod; The nut is movably sleeved on the guide rod, the nut is engaged with the thread groove, the nut is located between the guide protrusion and the top end of the guide groove, and the nut matches the radial cross-sectional shape of the guide groove.

7. The printing paper roll storage device according to claim 2, wherein: The assembly bracket further comprises: an assembly window, a baffle and a pair of connecting components; The assembly window is opened on the side wall of one side of the assembly bracket, the assembly window is communicated with the inner cavity of the assembly bracket, and the assembly window is exposed to the bottom end surface of the assembly bracket; The baffle is movably arranged in the assembly window, and the baffle matches the position of the bottom port of the storage cavity, and is used to limit the printing paper roll located in the storage cavity; The pair of connecting components are respectively arranged on the side walls on both sides of the baffle, and the pair of connecting components are respectively connected to the inner walls of the assembly window for assembling the baffle into the assembly window.

8. The printing paper roll storage device according to claim 7, wherein: The connecting component includes: a slide groove and a slider; The slide groove is provided on the inner wall of the assembly window, and is vertically arranged along the axial direction of the assembly bracket, with the top end of the slide groove exposed to the top end surface of the assembly bracket; The slider is fixedly arranged on the side wall of one side of the baffle, and the slider is slidably connected to the sliding groove, and is used for slidingly assembling the baffle into the assembly window.

9. The printing paper roll storage device according to claim 2, wherein: The assembly bracket further comprises a driving handle, which is fixedly arranged on the top of the assembly bracket.

10. A portable ship-keeping machine, characterized in that: The device comprises: a suitcase, a portable intelligent terminal, a plurality of printing devices, a plurality of printing paper roll storage devices and a document recognition device as claimed in any one of claims 1 to 9; The assembly liner is fixedly arranged in the inner cavity of the suitcase body; The portable intelligent terminal is fixedly arranged in the inner cavity of the lid of the suitcase; The plurality of printing devices are fixedly arranged on the assembly lining, and the plurality of printing devices are wirelessly connected to the portable intelligent terminal; The positions of the plurality of printing paper roll storage devices correspond one to one with the positions of the plurality of printing devices, and the printing paper rolls held by the supporting modules of the plurality of printing paper roll storage devices are respectively connected to the plurality of printing devices; The certificate recognition device is arranged on the assembly lining, and the certificate recognition device is connected to the portable intelligent terminal by wireless communication.

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