A double-sided printing device and printing method for digital currency card

Abstract

The present invention relates to the technical field related to digital coin card processing, and specifically to a double-sided printing device and a printing method for digital coin cards. The double-sided printing device for digital coin cards comprises an equipment frame, a primary conveyor rail, a loading seat, a feeding assembly, a flipping mechanism, a secondary conveyor rail, a primary hot stamping film conveying mechanism, a secondary hot stamping film conveying mechanism and a hot stamping mechanism; the hot stamping mechanism is arranged to be composed of a hydraulic assembly, a mounting beam, a primary hot stamping mechanism and a secondary hot stamping mechanism, so that the flipping mechanism, the primary hot stamping mechanism and the secondary hot stamping mechanism can realize double-sided printing of the digital coin card, thereby effectively improving the processing efficiency of the digital coin card, and the primary hot stamping mechanism and the secondary hot stamping mechanism are driven by a single driving structure, so as to achieve the purpose of optimizing the driving structure of the device.

Description

Technical Field

[0001] The present invention relates to the technical field related to digital currency card processing, and specifically to a double-sided printing device and a printing method for digital currency cards. Background Art

[0002] Digital RMB is a legal tender in digital form issued by banks, operated by designated operating institutions and exchanged to the public. It is based on a broad account system, supports loose coupling with bank accounts, is equivalent to paper money and coins, has value characteristics and legal tender, and supports controllable anonymity;

[0003] The use of digital RMB requires digital currency cards. In order to improve the aesthetics of digital currency cards, exquisite patterns need to be printed on both sides after manufacturing. However, traditional printing devices usually perform single-sided hot stamping, which leads to slow processing efficiency and secondary hot stamping processing, which wastes a lot of manpower and material resources, and does not conform to the current environmental protection concept of green production. Therefore, the present invention proposes a digital currency card double-sided printing device and printing method to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a digital currency card double-sided printing device and printing method to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a double-sided printing device for digital currency cards, the double-sided printing device for digital currency cards comprising:

[0006] Equipment racks;

[0007] A primary conveyor rail, wherein the primary conveyor rail is fixedly mounted on the equipment rack;

[0008] A loading seat, which is fixedly mounted at the starting end of the primary conveyor rail, and the digital currency cards to be processed are stored in the loading seat;

[0009] A feeding assembly, which is installed on the equipment frame and is located directly below the loading seat;

[0010] A turning mechanism, wherein the turning mechanism is installed on the equipment frame and is located directly behind the primary conveying rail;

[0011] A secondary conveyor rail, which is installed on the equipment frame and is located directly behind the flip mechanism;

[0012] A first-level hot stamping film conveying mechanism, wherein the first-level hot stamping film conveying mechanism is installed on the equipment frame, and the first-level hot stamping film conveying mechanism is arranged at the position of the first-level conveying rail, and the first-level hot stamping film is conveyed by the first-level hot stamping film conveying mechanism;

[0013] A secondary hot stamping film conveying mechanism, wherein the secondary hot stamping film conveying mechanism is installed on the equipment frame, and the secondary hot stamping film conveying mechanism is arranged at the position of the secondary conveying rail, and the secondary hot stamping film is conveyed by the secondary hot stamping film conveying mechanism;

[0014] The hot stamping mechanism is installed on the suspension beam just above the equipment frame, and the hot stamping mechanism is composed of a hydraulic assembly, a mounting beam, a primary hot stamping mechanism and a secondary hot stamping mechanism. The cylinder of the hydraulic assembly is fixed on the suspension beam, and the mounting beam is connected to the telescopic rod of the hydraulic assembly. The primary hot stamping mechanism and the secondary hot stamping mechanism are both fixed on the mounting beam, and the primary hot stamping mechanism and the secondary hot stamping mechanism correspond to the primary hot stamping film and the secondary hot stamping film respectively.

[0015] The distance between the primary hot stamping mechanism and the secondary hot stamping mechanism and the flipping mechanism is the length of a digital currency card.

[0016] Preferably, the primary conveyor rail and the secondary conveyor rail are symmetrically arranged in a group, and the upper side edge positions of the inner ends of the primary conveyor rail and the secondary conveyor rail are arranged in a stepped manner, and the depth value of the stepped structure is consistent with the thickness value of the digital coin card to be processed.

[0017] Preferably, the loading seat is a rectangular channel structure with an opening at one corner, and the cross-sectional size of the inner cavity of the loading seat is consistent with the cross-sectional size of the digital coin card to be processed.

[0018] Preferably, the feeding assembly is composed of a telescopic electric cylinder, a mounting seat, a pushing seat and a pushing mechanism. The telescopic electric cylinder is fixedly mounted on the equipment frame. The pushing mechanism is composed of a connecting plate, a guide rod and a pushing block. The connecting plate is fixed on the telescopic rod of the telescopic electric cylinder. A group of guide rods are symmetrically arranged and fixedly welded to the connecting plate. The pushing block is a block structure with a right-angled trapezoidal cross-section, and the two sides of the pushing block are respectively fixedly welded to the guide rods on both sides. A sleeve is fixedly welded to the lower surface of the mounting seat, and the sleeve is arranged corresponding to the guide rod. The sleeve is installed on the guide rod, and the end of the guide rod is provided with an external thread structure, and a positioning nut is fixedly installed on the guide rod. A rectangular groove is provided at the center position of the mounting seat, and the pusher seat is rotatably installed in the notch of the rectangular groove through a rotating shaft bolt. The outer contour of the pusher seat is a small cut circle, and a torsion spring is sleeved on the guide rod, and two pins of the torsion spring are respectively fixedly connected to the pusher seat and the side wall of the rectangular groove, and a limiting protrusion is fixedly welded to the side wall of the rectangular groove near the lower end position, and the movement time of the telescopic electric cylinder and the movement time of the hydraulic assembly are staggered.

[0019] Preferably, when the pushing seat is in a vertical state, the limiting protrusion is set against the lower side end of the pushing seat, and at this time, the torsion spring is in a reset state, and the upper and lower ends of the limiting protrusion both protrude outward from the outside of the rectangular groove, and the protruding distance of the upper end of the limiting protrusion is less than the thickness value of the digital coin card to be processed; when the telescopic electric cylinder is in a return state, the upper bottom edge of its push block is against the pushing seat, and at this time, the upper and lower ends of its pushing seat are completely retracted into the rectangular groove, and the positioning nut is against the rear side end of the mounting seat; when the telescopic electric cylinder is in a process state, the right-angle side of its push block is against the rear side edge of the rectangular groove, and the pushing seat is in a vertical state.

[0020] Preferably, a rubber strip plate is fixedly installed on the inner side wall of the front side end of the primary conveyor rail, a friction rubber strip is fixedly glued to the inner side of the rubber strip plate, an anti-skid plate is fixedly welded on the side wall of the mounting seat, and an anti-skid protrusion is integrally formed on the outer side wall of the mounting seat. The anti-skid protrusion is a protrusion structure with a semicircular cross-section, and a plurality of anti-skid protrusions are arranged at equal intervals. When the mounting seat is actually installed, the anti-skid protrusion is embedded in the friction rubber strip.

[0021] Preferably, the flipping mechanism is composed of a rotating seat, a flipping plate, a transmission gear and a transmission rack. The rotating seat is fixed on the equipment frame, the flipping plate is rotatably installed on the rotating seat through a rotating shaft, and a storage trough is provided on the flipping plate. The cross-sectional dimensions of the storage trough are consistent with the longitudinal cross-sectional dimensions of the digital coin card to be processed, and the port edge lines of the storage trough are chamfered, the transmission gear is fixed on the rotating shaft, the transmission rack is fixed on the mounting beam, and the transmission rack is meshed with the transmission gear.

[0022] Preferably, when the primary hot stamping mechanism and the secondary hot stamping mechanism move from the uppermost end to the lowermost end, their transmission gears rotate 180 degrees, and when the primary hot stamping mechanism and the secondary hot stamping mechanism are located at the uppermost end, their flipping plates are in a horizontal state.

[0023] Preferably, rubber strip grooves are provided on the upper and lower side walls of the material storage trough on the flipping plate, and a group of rubber strip grooves are symmetrically arranged, and friction rubber strips are fixedly glued to the bottom surface of the rubber strip grooves, and when the digital coin card to be processed is inserted into the material storage trough, the friction rubber strips are in a compressed state.

[0024] A printing method for a double-sided printing device for a digital currency card, the printing method for the double-sided printing device for a digital currency card comprising the following steps:

[0025] Step 1: Loading process, during which the staff neatly stacks the digital currency cards to be processed on the loading seat;

[0026] Step 2: feeding process, during which the telescopic electric cylinder moves from the return state to the process state, thereby pushing the digital coin card at the bottom layer forward by a distance of the card length;

[0027] Step 3: a hot stamping process, in which the front of the digital currency card is hot stamped by a first-level hot stamping mechanism;

[0028] Step 4: Flipping process, during which the digital currency card that has undergone a hot stamping process is turned over by a flipping mechanism;

[0029] Step 5: Secondary hot stamping process, during which the reverse side of the digital currency card is hot stamped by a secondary hot stamping mechanism.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] 1. By setting up a digital coin card double-sided printing device composed of an equipment frame, a primary conveying rail, a loading seat, a feeding assembly, a flipping mechanism, a secondary conveying rail, a primary hot stamping film conveying mechanism, a secondary hot stamping film conveying mechanism and a hot stamping mechanism, and by setting the hot stamping mechanism to be composed of a hydraulic component, a mounting beam, a primary hot stamping mechanism and a secondary hot stamping mechanism, the double-sided printing of the digital coin card is realized through the flipping mechanism, the primary hot stamping mechanism and the secondary hot stamping mechanism, thereby effectively improving the processing efficiency of the digital coin card, and the primary hot stamping mechanism and the secondary hot stamping mechanism are driven by a single driving structure, thereby achieving the purpose of optimizing the driving structure of the device;

[0032] 2. By combining the turning mechanism with a rotating seat, a turning plate, a transmission gear and a transmission rack, the turning mechanism is simultaneously driven by the driving structure of the hot stamping mechanism to move, thereby achieving the purpose of further optimizing the driving structure of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the structure of the present invention;

[0034] Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0035] Figure 3 It is a schematic diagram of the structure of the feeding assembly of the present invention;

[0036] Figure 4 It is a lower side view of the feeding assembly of the present invention;

[0037] Figure 5 for Figure 4 A magnified schematic diagram of the structure at B in the middle;

[0038] Figure 6A half-section view of a feeding assembly of the present invention;

[0039] Figure 7 for Figure 6 A magnified schematic diagram of the structure at C in the middle;

[0040] Figure 8 This is a schematic diagram of the structure of the material pusher of the present invention;

[0041] Fig. 9 It is a schematic diagram of the flipping mechanism of the present invention;

[0042] Fig.10 for Fig. 9 A magnified schematic diagram of the structure at D in the middle;

[0043] Fig.11 This is a practical effect diagram of the present invention.

[0044] In the figure: primary conveyor rail 1, loading seat 2, feeding assembly 3, turning mechanism 4, secondary conveyor rail 5, primary hot stamping film conveying mechanism 6, secondary hot stamping film conveying mechanism 7, mounting beam 8, primary hot stamping mechanism 9, secondary hot stamping mechanism 10, telescopic electric cylinder 11, mounting seat 12, pushing seat 13, pushing mechanism 14, sleeve 15, connecting plate 16, guide rod 17, pushing block 18, positioning nut 19, rotating shaft bolt 20, torsion spring 21, limiting protrusion 22, rubber strip plate 23, friction rubber strip 24, anti-skid plate 25, anti-slip protrusion 26, rotating seat 27, turning plate 28, transmission gear 29, friction rubber strip 30, digital coin card 31, primary hot stamping film 32, secondary hot stamping film 33, transmission rack 34. DETAILED DESCRIPTION

[0045] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0049] See also Figure 1-11 The present invention provides the following eight preferred embodiments:

[0050] Embodiment 1

[0051] A double-sided printing device for digital currency cards, the double-sided printing device for digital currency cards includes an equipment frame, a primary conveying rail 1, a loading seat 2, a feeding assembly 3, a flipping mechanism 4, a secondary conveying rail 5, a primary hot stamping film conveying mechanism 6, a secondary hot stamping film conveying mechanism 7 and a hot stamping mechanism, the primary conveying rail 1 is fixedly installed on the equipment frame, the loading seat 2 is fixedly installed at the starting end of the primary conveying rail 1, and the digital currency card 31 to be processed is stored in the loading seat 2, the feeding assembly 3 is installed on the equipment frame, and the feeding assembly 3 is arranged directly below the loading seat 2, the flipping mechanism 4 is installed on the equipment frame, and the flipping mechanism 4 is located at the primary conveying The secondary conveying rail 5 is installed on the equipment frame, and the secondary conveying rail 5 is located directly behind the flip mechanism 4. The primary hot stamping film conveying mechanism 6 is installed on the equipment frame, and the primary hot stamping film conveying mechanism 6 is located at the position of the primary conveying rail 1, and the primary hot stamping film 32 is conveyed by the primary hot stamping film conveying mechanism 6. The secondary hot stamping film conveying mechanism 7 is installed on the equipment frame, and the secondary hot stamping film conveying mechanism 7 is located at the position of the secondary conveying rail 5, and the secondary hot stamping film 33 is conveyed by the secondary hot stamping film conveying mechanism 7. The hot stamping mechanism is installed on the suspension beam directly above the equipment frame. The hot stamping mechanism is composed of a hydraulic component, a mounting beam 8, a first-level hot stamping mechanism 9 and a second-level hot stamping mechanism 10. The cylinder of the hydraulic component is fixed on the suspension beam. The mounting beam 8 is connected to the telescopic rod of the hydraulic component. The first-level hot stamping mechanism 9 and the second-level hot stamping mechanism 10 are both fixed on the mounting beam 8. The first-level hot stamping mechanism 9 and the second-level hot stamping mechanism 10 correspond to the first-level hot stamping film 32 and the second-level hot stamping film 33 respectively. The distance between the first-level hot stamping mechanism 9 and the second-level hot stamping mechanism 10 and the flipping mechanism 4 is the length of a digital coin card 31. By setting the equipment frame, the first-level conveying rail 1, the loading seat 2, the feeding component 3, the flipping mechanism 4 ... hot stamping mechanism 9 and the second-level hot stamping mechanism 10 correspond to the first-level hot stamping film 32 and the second-level hot stamping film 33 respectively. A double-sided printing device for digital coin cards is composed of a mechanism 4, a secondary conveying rail 5, a primary hot stamping film conveying mechanism 6, a secondary hot stamping film conveying mechanism 7 and a hot stamping mechanism, and the hot stamping mechanism is arranged to be composed of a hydraulic component, a mounting beam 8, a primary hot stamping mechanism 9 and a secondary hot stamping mechanism 10, so that the double-sided printing of the digital coin card 31 is achieved through the flipping mechanism 4, the primary hot stamping mechanism 9 and the secondary hot stamping mechanism 10, thereby effectively improving the processing efficiency of the digital coin card 31, and the primary hot stamping mechanism 9 and the secondary hot stamping mechanism 10 are driven by a single driving structure, thereby achieving the purpose of optimizing the driving structure of the device.

[0052] Embodiment 2

[0053] On the basis of Example 1, a group of primary conveyor rails 1 and secondary conveyor rails 5 are symmetrically arranged, and the upper side edge positions of the inner ends of the primary conveyor rails 1 and secondary conveyor rails 5 are arranged in a stepped manner, and the depth value of the stepped structure is consistent with the thickness value of the digital coin card 31 to be processed.

[0054] Embodiment 3

[0055] On the basis of the second embodiment, the loading seat 2 is a rectangular channel structure with an opening at one corner, and the cross-sectional size of the inner cavity of the loading seat 2 is consistent with the cross-sectional size of the digital coin card 31 to be processed, so as to facilitate the storage of the digital coin card 31 to realize automatic feeding.

[0056] Embodiment 4

[0057] On the basis of the third embodiment, the feeding assembly 3 is composed of a telescopic electric cylinder 11, a mounting seat 12, a pushing seat 13 and a pushing mechanism 14. The telescopic electric cylinder 11 is fixedly mounted on the equipment frame. The pushing mechanism 14 is composed of a connecting plate 16, a guide rod 17 and a pushing block 18. The connecting plate 16 is fixed on the telescopic rod of the telescopic electric cylinder 11. A group of guide rods 17 are symmetrically arranged, and the guide rods 17 are fixedly welded on the connecting plate 16. The pushing block 18 is a block structure with a right-angle trapezoidal cross-section, and the two sides of the pushing block 18 are respectively fixedly welded to the guide rods 17 on both sides. The lower surface of the mounting seat 12 is fixedly welded with a sleeve 15, and the sleeve 15 is connected to the guide rod 17. Correspondingly, the sleeve 15 is sleeved and installed on the guide rod 17, and the end of the guide rod 17 is provided with an external thread structure, and a positioning nut 19 is fixedly installed on the guide rod 17. A rectangular groove is provided at the center position of the mounting seat 12, and the pusher seat 13 is rotatably installed in the notch of the rectangular groove through the rotating shaft bolt 20. The outer contour of the pusher seat 13 is a small cut circle, and a torsion spring 21 is sleeved on the guide rod 17, and the two pins of the torsion spring 21 are respectively fixedly connected to the pusher seat 13 and the side wall of the rectangular groove, and the side wall of the rectangular groove is fixedly welded with a limiting protrusion 22 at the lower end position, and the movement time of the telescopic electric cylinder 11 and the movement time of the hydraulic component are staggered.

[0058] When the pushing seat 13 is in a vertical state, the limiting protrusion 22 is set against the lower side end of the pushing seat 13, and at this time, the torsion spring 21 is in a reset state, and the upper and lower ends of the limiting protrusion 22 both protrude from the outside of the rectangular groove, and the protruding distance of the upper end of the limiting protrusion 22 is less than the thickness value of the digital coin card 31 to be processed. When the telescopic electric cylinder 11 is in the return state, the upper bottom edge of its push block 18 is against the pushing seat 13, and at this time, the upper and lower ends of its pushing seat 13 are completely retracted into the rectangular groove, and the positioning nut 19 is against the rear side end of the mounting seat 12. When the telescopic electric cylinder 11 is in the process state, the right-angle side of its push block 18 is against the rear side of the rectangular groove, and the pushing seat 13 is in a vertical state.

[0059] Embodiment 5

[0060] On the basis of the fourth embodiment, a rubber strip plate 23 is fixedly installed on the inner wall of the front side end of the primary conveying rail 1, and a friction rubber strip 24 is fixedly glued to the inner side of the rubber strip plate 23. An anti-skid plate 25 is fixedly welded on the side wall of the mounting seat 12, and an anti-skid protrusion 26 is integrally formed on the outer wall of the mounting seat 12. The anti-skid protrusion 26 is a protruding structure with a semicircular cross-section, and a plurality of anti-skid protrusions 26 are arranged at equal intervals. When the mounting seat 12 is actually installed, its anti-skid protrusion 26 is embedded in the friction rubber strip 24 to ensure that during the return movement of the telescopic electric cylinder 11, the upper and lower ends of its pushing seat 13 can be completely retracted into the rectangular groove.

[0061] Embodiment 6

[0062] On the basis of Example 5, the flipping mechanism 4 is composed of a rotating seat 27, a flipping plate 28, a transmission gear 29 and a transmission rack 34. The rotating seat 27 is fixed on the equipment frame, and the flipping plate 28 is rotatably installed on the rotating seat 27 through a rotating shaft. A storage trough is provided on the flipping plate 28, and the cross-sectional dimensions of the storage trough are consistent with the longitudinal cross-sectional dimensions of the digital coin card 31 to be processed, and the port edge lines of the storage trough are chamfered. The transmission gear 29 is fixed on the rotating shaft, the transmission rack 34 is fixed on the mounting beam 8, and the transmission rack 34 is meshed with the transmission gear 29.

[0063] When the primary hot stamping mechanism 9 and the secondary hot stamping mechanism 10 move from the uppermost end to the lowermost end, their transmission gear 29 rotates one hundred and eighty degrees, and when the primary hot stamping mechanism 9 and the secondary hot stamping mechanism 10 are located at the uppermost end, their flipping plates 28 are in a horizontal state. By combining the turning mechanism 4 consisting of a rotating seat 27, a flipping plate 28, a transmission gear 29 and a transmission rack 34, the turning mechanism 4 can be driven to move at the same time through the driving structure of the hot stamping mechanism, thereby achieving the purpose of further optimizing the driving structure of the device.

[0064] Embodiment 7

[0065] On the basis of Example 6, rubber strip grooves are provided on the upper and lower side walls of the material storage trough on the turning plate 28, and a group of rubber strip grooves are symmetrically arranged, and the bottom surface of the rubber strip groove is fixedly glued with a friction rubber strip 30, and when the digital coin card 31 to be processed is inserted into the material storage trough, the friction rubber strip 30 is in a compressed state, thereby improving the stability of the digital coin card 31 to be processed in the material storage trough.

[0066] Embodiment 8

[0067] Based on the seventh embodiment, a printing method of a digital currency card double-sided printing device is provided, and the printing method of the digital currency card double-sided printing device comprises the following steps:

[0068] Step 1: Loading process: During the loading process, the staff neatly stacks the digital currency cards 31 to be processed on the loading seat 2;

[0069] Step 2: During the feeding process, the telescopic electric cylinder 11 moves from the return state to the process state, thereby pushing the digital coin card 31 at the bottom layer forward by a distance of a card length;

[0070] Step 3: a hot stamping process, in which the front side of the digital currency card 31 is hot stamped by the first-level hot stamping mechanism 9;

[0071] Step 4: Flipping process: During the flipping process, the flipping mechanism 4 turns over the digital coin card 31 that has undergone the hot stamping process;

[0072] Step 5: Secondary hot stamping process. During the secondary hot stamping process, the reverse side of the digital coin card 31 is hot stamped by the secondary hot stamping mechanism 10 .

[0073] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A double-sided printing device for digital currency cards, Features: The digital currency card double-sided printing device comprises: Equipment racks; A primary conveying rail (1), wherein the primary conveying rail (1) is fixedly mounted on a device frame; A loading seat (2), wherein the loading seat (2) is fixedly mounted at the starting end of the primary conveying rail (1), and the digital coin cards (31) to be processed are stored in the loading seat (2); A feeding assembly (3), wherein the feeding assembly (3) is mounted on the equipment frame, and the feeding assembly (3) is arranged directly below the loading seat (2); A turning mechanism (4), wherein the turning mechanism (4) is installed on the equipment frame, and the turning mechanism (4) is located directly behind the primary conveying rail (1); A secondary conveying rail (5), wherein the secondary conveying rail (5) is installed on the equipment frame, and the secondary conveying rail (5) is arranged directly behind the turning mechanism (4); A first-level hot stamping film conveying mechanism (6), wherein the first-level hot stamping film conveying mechanism (6) is installed on the equipment frame, and the first-level hot stamping film conveying mechanism (6) is arranged at the position of the first-level conveying rail (1), and the first-level hot stamping film (32) is conveyed by the first-level hot stamping film conveying mechanism (6); A secondary hot stamping film conveying mechanism (7), wherein the secondary hot stamping film conveying mechanism (7) is installed on the equipment frame, and the secondary hot stamping film conveying mechanism (7) is arranged at the position of the secondary conveying rail (5), and the secondary hot stamping film (33) is conveyed by the secondary hot stamping film conveying mechanism (7); A hot stamping mechanism, the hot stamping mechanism is installed on a suspension beam directly above a device frame, and the hot stamping mechanism is composed of a hydraulic assembly, a mounting beam (8), a primary hot stamping mechanism (9) and a secondary hot stamping mechanism (10), the cylinder of the hydraulic assembly is fixed on the suspension beam, the mounting beam (8) is connected to the telescopic rod of the hydraulic assembly, the primary hot stamping mechanism (9) and the secondary hot stamping mechanism (10) are both fixed on the mounting beam (8), and the primary hot stamping mechanism (9) and the secondary hot stamping mechanism (10) correspond to the primary hot stamping film (32) and the secondary hot stamping film (33) respectively; The distance values ​​between the primary hot stamping mechanism (9) and the secondary hot stamping mechanism (10) and the flipping mechanism (4) are both the length values ​​of a digital coin card (31).

2. A digital currency card double-sided printing device according to claim 1, Features: The primary conveyor rail (1) and the secondary conveyor rail (5) are both symmetrically arranged in a group, and the upper side edge positions of the inner ends of the primary conveyor rail (1) and the secondary conveyor rail (5) are both arranged in a stepped manner, and the depth value of the stepped structure is consistent with the thickness value of the digital coin card (31) to be processed.

3. A digital currency card double-sided printing device according to claim 1, Features: The loading seat (2) is a rectangular channel structure with one corner being open, and the cross-sectional dimensions of the inner cavity of the loading seat (2) are consistent with the cross-sectional dimensions of the digital coin card (31) to be processed.

4. A digital currency card double-sided printing device according to claim 1, Features: The feeding assembly (3) is composed of a telescopic electric cylinder (11), a mounting seat (12), a material pushing seat (13) and a pushing mechanism (14). The telescopic electric cylinder (11) is fixedly mounted on a device frame. The pushing mechanism (14) is composed of a connecting plate (16), a guide rod (17) and a pushing block (18). The connecting plate (16) is fixed on the telescopic rod of the telescopic electric cylinder (11). A group of guide rods (17) are symmetrically arranged and fixedly welded to the connecting plate (16). The pushing block (18) is a block structure with a right-angle trapezoidal cross section. The two sides of the pushing block (18) are respectively fixedly welded to the guide rods (17) on both sides. A sleeve (15) is fixedly welded to the lower surface of the mounting seat (12). The sleeve (15) is fixedly welded to the guide rods (17). The rod (17) is arranged correspondingly, and the sleeve (15) is sleeved and installed on the guide rod (17), and the end of the guide rod (17) is provided with an external thread structure, and a positioning nut (19) is fixedly installed on the guide rod (17), a rectangular groove is provided at the center position of the mounting seat (12), and the pusher seat (13) is rotatably installed in the notch of the rectangular groove through a rotating shaft bolt (20), the outer contour of the pusher seat (13) is a small cut circle, and a torsion spring (21) is sleeved on the guide rod (17), and two pins of the torsion spring (21) are respectively fixedly connected to the pusher seat (13) and the side wall of the rectangular groove, and a limiting protrusion (22) is fixedly welded to the side wall of the rectangular groove near the lower end position, and the movement time of the telescopic electric cylinder (11) and the movement time of the hydraulic component are staggered.

5. A digital currency card double-sided printing device according to claim 4, Features: When the push seat (13) is in a vertical state, the limiting protrusion (22) is set against the lower side end of the push seat (13), and at this time, the torsion spring (21) is in a reset state, and the upper and lower ends of the limiting protrusion (22) both protrude outside the rectangular groove, and the protruding distance of the upper end of the limiting protrusion (22) is less than the thickness value of the digital coin card (31) to be processed. When the telescopic electric cylinder (11) is in a return state, the upper bottom edge of its push block (18) is against the push seat (13), and at this time, the upper and lower ends of its push seat (13) are completely retracted into the rectangular groove, and the positioning nut (19) is against the rear side end of the mounting seat (12). When the telescopic electric cylinder (11) is in a process state, the right angle side of its push block (18) is against the rear side of the rectangular groove, and the push seat (13) is in a vertical state.

6. A digital coin card double-sided printing device according to claim 5, Features: A rubber strip plate (23) is fixedly mounted on the inner side wall of the front side end of the primary conveying rail (1), a friction rubber strip (24) is fixedly glued to the inner side of the rubber strip plate (23), an anti-slip plate (25) is fixedly welded to the side wall of the mounting seat (12), an anti-slip protrusion (26) is integrally formed on the outer side wall of the mounting seat (12), the anti-slip protrusion (26) is a protrusion structure with a semicircular cross-section, and a plurality of anti-slip protrusions (26) are arranged at equal intervals, and when the mounting seat (12) is actually installed, its anti-slip protrusion (26) is embedded in the friction rubber strip (24).

7. A digital currency card double-sided printing device according to claim 1, Features: The flipping mechanism (4) is composed of a rotating seat (27), a flipping plate (28), a transmission gear (29) and a transmission rack (34), wherein the rotating seat (27) is fixed on the equipment frame, the flipping plate (28) is rotatably mounted on the rotating seat (27) via a rotating shaft, and a material storage trough is provided on the flipping plate (28), the cross-sectional dimensions of the material storage trough are consistent with the longitudinal cross-sectional dimensions of the digital coin card (31) to be processed, and the port edge line positions of the material storage trough are chamfered, the transmission gear (29) is fixed on the rotating shaft, the transmission rack (34) is fixed on the mounting beam (8), and the transmission rack (34) is meshed with the transmission gear (29).

8. A digital currency card double-sided printing device according to claim 7, Features: When the primary hot stamping mechanism (9) and the secondary hot stamping mechanism (10) move from the uppermost end to the lowermost end, their transmission gears (29) rotate 180 degrees, and when the primary hot stamping mechanism (9) and the secondary hot stamping mechanism (10) are located at the uppermost end, their turning plates (28) are in a horizontal state.

9. A digital currency card double-sided printing device according to claim 8, Features: The upper and lower side walls of the material storage trough on the flipping plate (28) are both provided with rubber strip grooves, and a group of rubber strip grooves are symmetrically arranged, and the bottom surface of the rubber strip groove is fixedly glued with a friction rubber strip (30), and when the digital coin card (31) to be processed is inserted into the material storage trough, the friction rubber strip (30) is in a compressed state.

10. A printing method of a digital currency card double-sided printing device as claimed in any one of claims 1 to 9, Features: The printing method of the digital currency card double-sided printing device comprises the following steps: Step 1: Loading process, during which the staff neatly stacks the digital currency cards (31) to be processed on the loading seat (2); Step 2: feeding process, during which the telescopic electric cylinder (11) moves from the return state to the progress state, thereby pushing the digital coin card (31) at the bottom layer forward by a distance of a card length; Step 3: a primary hot stamping process, in which the front side of the digital currency card (31) is hot stamped by a primary hot stamping mechanism (9); Step 4: a flipping process, in which the flipping mechanism (4) turns over the digital coin card (31) that has undergone a hot stamping process; Step 5: Secondary hot stamping process, during which the reverse side of the digital coin card (31) is hot stamped by a secondary hot stamping mechanism (10).

Images