Card conveying device and double-layer card manufacturing equipment

Abstract

The invention relates to the technical field of card manufacturing equipment, and provides a card conveying device and double-layer type card manufacturing device.The card conveying device comprises a lifting frame assembly, a card conveying trolley assembly and a turnover assembly, the lifting frame assembly is vertically arranged, and the turnover assembly is arranged on a lifting sliding block of the lifting frame assembly; the card feeding trolley assembly is arranged on the overturning assembly, and the overturning assembly is used for driving the card feeding trolley assembly to rotate. The lifting frame assembly can drive the card conveying trolley assembly to ascend and descend, so that the cards can be transferred between the lithographic printing module and the concave-convex character printing and hot-stamping module, manual transfer is not needed, and the cleanliness of the cards is guaranteed; meanwhile, the card feeding trolley assembly is arranged on the lifting frame assembly through the overturning assembly, so that when double-sided lithographic printing needs to be carried out on the card, the overturning assembly drives the card feeding trolley assembly to rotate by 180 degrees to complete overturning of the card, people do not need to take the card manually in the manufacturing process of the card, and the cleanliness of the card is guaranteed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of card making equipment, and more particularly to a card conveying device and a double-layer card making equipment. BACKGROUND

[0002] The current card making equipment integrates multiple functional requirements, which increases the complexity of the equipment, and the size of the equipment also increases accordingly. However, the design of the desktop equipment requires that the equipment cannot occupy a large area, and the contradiction between the two aspects is increasingly prominent.

[0003] In view of the current single-layer card making equipment or double-layer card making equipment, the single-layer card making equipment refers to the same layer of the flat printing module and the concave-convex character printing and color printing module; the double-layer card making equipment refers to the upper and lower settings of the flat printing module and the concave-convex character printing and color printing module. The existing double-layer card making equipment can only reciprocate in the same straight line direction after the card is inserted, which causes the flat printing module to only be able to print on one side of the card. If double-sided printing is required, the card needs to be ejected, manually flipped, and reinserted to achieve double-sided printing. This is not good for the user experience, and if the user's sweat or other foreign matter sticks to the card to be printed, it will also cause the printing effect to be out of tolerance due to the dirt on the card. Moreover, when switching between the flat printing and concave-convex character printing and color printing steps, the card needs to be ejected first, and then manually inserted between the two modules. This process also has the risk of causing dirt on the card. SUMMARY

[0004] In view of one of the deficiencies in the prior art described above, the purpose of the embodiments of the present application is to provide a card conveying device that can achieve the conveying and flipping of the card between the flat printing module and the concave-convex character printing and color printing assembly without manual flipping and transferring, effectively preventing the card from being dirty.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present application is to provide a card conveying device, comprising: a lifting frame assembly, a card feeding trolley assembly, and a flipping assembly, the lifting frame assembly is vertically arranged, the flipping assembly is arranged on the lifting slide of the lifting frame assembly, the card feeding trolley assembly is arranged on the flipping assembly, and the flipping assembly is used to drive the card feeding trolley assembly to rotate.

[0006] The flipping assembly comprises: a mounting bracket, a rotary disc, a flipping motor, and a rotary shaft; the mounting bracket is fixed on the lifting slide, the rotary disc is provided with a circular groove on the side close to the mounting bracket, the side wall of the circular groove is provided with an internal gear ring, the flipping motor is fixed on the mounting bracket, and the output shaft of the flipping motor is provided with a driving gear that meshes with the internal gear ring; and the rotary shaft is rotatably arranged on the mounting bracket through a first bearing shaft and connected with the center of the rotary disc.

[0007] In one embodiment, the mounting bracket is provided with a rotary support away from one side of the rotary disc, the rotary support is provided with a second bearing away from one end of the mounting bracket, and one end of the rotary shaft is connected with the second bearing.

[0008] In one embodiment, the mounting bracket is provided with a first and a second rotary positioning sensor, and the rotary disc is provided with a rotary positioning baffle, the rotary angle of the rotary positioning baffle when rotating from the first rotary positioning sensor to the second rotary positioning sensor is 180°.

[0009] In one embodiment, the mounting bracket is provided with two limiting columns at intervals, and the bottom surface of the circular groove is provided with a rotary limiting baffle column, the rotary limiting baffle column rotates between the two limiting columns and the rotary angle is 180°-185°.

[0010] In one embodiment, the bottom surface of the circular groove is provided with a convex ring in the middle, the convex ring is provided with a plurality of limiting ribs, a limiting groove is formed between the plurality of limiting ribs, the end surface of the rotary shaft is fixed with a limiting block, the limiting block is inserted into the limiting groove, and the limiting block is fixedly connected with the rotary disc through a plurality of fasteners.

[0011] In one embodiment, the lifting frame assembly comprises a main support, the main support is provided with two guide rails at intervals, the lifting slider is slidingly arranged on the two guide rails, the main support is rotatably provided with a driving synchronous wheel and a driven synchronous wheel at two ends respectively, the driving synchronous wheel and the driven synchronous wheel are drivingly connected through a synchronous belt, the synchronous belt is fixedly connected with the mounting bracket through a toothed block, and the driving synchronous wheel is connected with a lifting motor.

[0012] In one embodiment, the top of the main support is provided with a first lifting position sensor, the bottom of the main support is provided with a second lifting position sensor, the mounting bracket is provided with a first positioning baffle, and the card feeding trolley assembly is provided with a second positioning baffle; the first lifting position sensor is used for sensing the first positioning baffle, and the second lifting position sensor is used for sensing the second positioning baffle.

[0013] In one embodiment, the card feeding trolley assembly comprises a left support and a right support arranged at intervals, two groups of card feeding wheels are rotatably arranged between the left support and the right support, and the two groups of card feeding wheels are synchronously rotated through a card feeding motor and a gear set; the left support is fixedly connected with the rotary disc through fasteners; the left support and the right support are provided with a guide groove for guiding the card.

[0014] In one embodiment, the card feeding wheel set comprises a card rubbing driving wheel and a card rubbing driven wheel arranged to rotate up and down through a mounting shaft, and the gear set comprises a driving gear, a large driven gear and two small driven gears; each of the small driven gears is fixedly connected with the mounting shaft of the corresponding card rubbing driving wheel, the large driven gear is arranged to rotate on the left support, the driving gear is fixedly connected with the output shaft of the card feeding motor, and the large driven gear is engaged with the driving gear and the two small driven gears.

[0015] Another object of the present application is to provide a double-layer card making equipment, comprising a bottom plate, a concave-convex character printing and color pressing module arranged on the bottom plate, a flat printing module arranged above the concave-convex character printing and color pressing module, and a card conveying device as claimed in any one of claims 1-9, which is arranged on the bottom plate and located at one side of the concave-convex character printing and color pressing module and the flat printing module, and the card entry and exit passages of the concave-convex character printing and color pressing module and the flat printing module are both directed towards the card conveying device.

[0016] The card conveying device and the double-layer card making equipment provided by the present application have the following beneficial effects:

[0017] 1. The lifting frame assembly can drive the card feeding trolley assembly to lift, so that the card can be transferred between the flat printing module and the concave-convex character printing and color pressing module without manual transfer, thereby ensuring the cleanliness of the card; at the same time, the card feeding trolley assembly is arranged on the lifting frame assembly through the turnover assembly, so that when double-sided flat printing of the card is required, the card can be turned over by rotating the card feeding trolley assembly 180° through the turnover assembly, and the card does not need to be manually taken during the manufacturing process, thereby ensuring the cleanliness of the card.

[0018] 2. The rotating disc is arranged to rotate on the mounting support through the first bearing, the second bearing and the rotating support, the first bearing and the second bearing are arranged at intervals to improve the support stability, so that the rotating disc is not easy to shake when rotating, and the rotating support and the rotating disc are arranged on the two sides of the mounting support respectively to adjust the center of gravity and ensure the stability of the rotating disc. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 The double-layer card making equipment provided by the present application is shown in the perspective view;

[0021] Figure 2 A front view plane structure schematic diagram of a double-layer card making equipment provided by the embodiment of the present application;

[0022] Figure 3 A three-dimensional structure schematic diagram of a card conveying device provided by the embodiment of the present application;

[0023] Figure 4 A three-dimensional structure schematic diagram of a lifting frame assembly and a partial turnover assembly in the card conveying device provided by the embodiment of the present application;

[0024] Figure 5 A three-dimensional structure schematic diagram of a turnover assembly in the card conveying device provided by the embodiment of the present application;

[0025] Figure 6 A three-dimensional structure schematic diagram of a rotating disc and a mounting bracket in the card conveying device provided by the embodiment of the present application;

[0026] Figure 7 A three-dimensional structure schematic diagram of a rotating shaft and a rotating support in the card conveying device provided by the embodiment of the present application;

[0027] Figure 8 A cross-sectional structure schematic diagram of a rotating shaft and a rotating support in the card conveying device provided by the embodiment of the present application;

[0028] Figure 9 A first perspective three-dimensional structure schematic diagram of a card conveying trolley assembly in the card conveying device provided by the embodiment of the present application;

[0029] Figure 10 A second perspective three-dimensional structure schematic diagram of a card conveying trolley assembly in the card conveying device provided by the embodiment of the present application.

[0030] In the drawings, various reference signs represent:

[0031] 1, card conveying device; 11, lifting frame assembly; 111, main support; 112, guide rail; 113, driving synchronous wheel; 114, passive synchronous wheel; 115, synchronous belt; 116, lifting motor; 117, first lifting position sensor; 118, second lifting position sensor; 119, first positioning baffle; 1110, second positioning baffle; 12, card feeding trolley assembly; 121, left support; 122, right support; 123, card rubbing driving wheel; 124, card rubbing passive wheel; 125, card feeding motor; 126, driving gear; 127, large passive gear; 128, small passive gear; 129, card detection sensor; 1210, guide groove; 1211, fastening bolt; 13, turnover assembly; 131, mounting support; 132, rotary disc; 133, turnover motor; 134, rotary shaft; 135, inner gear ring; 136, driving gear; 137, first bearing shaft; 138, rotary support; 139, second bearing; 1310, first turnover positioning sensor; 1311, second turnover positioning sensor; 1312, turnover positioning baffle; 1313, limiting column; 1314, rotary limiting baffle column; 1315, convex ring; 1316, limiting rib; 1317, limiting block; 1318, mounting boss; 2, concave-convex character printing and color burning module; 3, flat printing module; 4, bottom plate. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0034] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0036] like Figures 1-10 As shown, a dual-layer card-making device provided in this application embodiment will now be described. This dual-layer card-making device includes a base plate 4, an embossed printing and hot-stamping module 2 disposed on the base plate 4, a flat printing module 3 disposed above the embossed printing and hot-stamping module 2 via a fixing frame, and a card conveying device 1 disposed on the base plate 4. The card conveying device 1 is located on one side of the embossed printing and hot-stamping module 2 and the flat printing module 3, and the card inlet and outlet channels of both the embossed printing and hot-stamping module 2 and the flat printing module 3 face the card conveying device 1. The flat printing module 3 and the embossed printing and hot-stamping module 2 are existing structures and will not be described in detail here. The improvement of this embodiment lies in providing a completely new card conveying device 1.

[0037] Specifically, such as Figures 3-10 As shown, the card conveying device 1 includes: a lifting frame assembly 11, a card feeding carriage assembly 12, and a flipping assembly 13. The lifting frame assembly 11 is vertically arranged, the flipping assembly 13 is mounted on the lifting slider of the lifting frame assembly 11, and the card feeding carriage assembly 12 is mounted on the flipping assembly 13. The lifting frame assembly 11 drives the flipping assembly 13 and the card feeding carriage assembly 12 to move up and down, so that the card feeding carriage assembly 12 is aligned with the flat printing module 3 or the embossed printing hot stamping module 2. The flipping assembly 13 drives the card feeding carriage assembly 12 to rotate, flipping the card and thus achieving double-sided printing.

[0038] like Figures 4-8As shown, in the embodiment, the turnover assembly 13 comprises a mounting bracket 131, a rotating disc 132, a turnover motor 133 and a rotating shaft 134. The mounting bracket 131 is a plate structure, and is fixed on the lifting slider through fastening screws, and the rotating disc 132 is located on the side of the mounting bracket 131 away from the lifting slider. The side of the rotating disc 132 close to the mounting bracket 131 is provided with a circular groove, and the side wall of the circular groove is provided with an inner gear ring 135. The turnover motor 133 is fixed on the side of the mounting bracket 131 away from the rotating disc 132, and the output shaft of the turnover motor 133 extends into the circular groove through the mounting bracket 131, and the output shaft of the turnover motor 133 is provided with a driving gear 136 engaged with the inner gear ring 135. The turnover motor 133 can drive the rotating disc 132 to rotate through the driving gear 136. The rotating shaft 134 is rotatably arranged on the mounting bracket 131 through a first bearing shaft 137 and is connected with the center of the rotating disc 132, and the rotating disc 132 and the mounting bracket 131 can be rotatably arranged through the rotating shaft 134 and the first bearing shaft 137. The card feeding trolley assembly 12 is fixed on the rotating disc 132 and rotates with the rotating disc 132.

[0039] In order to ensure the stability of the rotating disc 132, the side of the mounting bracket 131 away from the rotating disc 132 is provided with a rotating support 138, which is a T-shaped cylindrical structure and hollow inside. The rotating support 138 is fixed on the mounting bracket 131 through fastening screws, and the end of the rotating support 138 away from the mounting bracket 131 is provided with a second bearing 139, and one end of the rotating shaft 134 is connected with the second bearing 139. Of course, the first bearing can also be installed on the other end of the rotating support 138. The rotating support 138, the bearing and the second bearing 139 arranged at intervals can balance the center of gravity of the rotating disc 132, so that the rotating shaft 134 is not easy to shake when rotating.

[0040] In the embodiment, the mounting bracket 131 is provided with a first turnover positioning sensor 1310 and a second turnover positioning sensor 1311, and the rotating disc 132 is provided with a turnover positioning baffle 1312. When the turnover positioning baffle 1312 rotates from the first turnover positioning sensor 1310 to the second turnover positioning sensor 1311, the rotation angle is 180°, so as to realize the turnover of the card feeding trolley assembly 12 by 180°. When the turnover positioning baffle 1312 is located at the first turnover positioning sensor 1310 or the second turnover positioning sensor 1311, the card feeding trolley assembly 12 performs horizontal conveying on the card.

[0041] In order to ensure that the rotating disc 132 rotates only 180° each time, two limiting columns 1313 are arranged on the mounting bracket 131 at intervals, and a rotating limiting stop column 1314 is arranged on the bottom surface of the circular groove. The rotating limiting stop column 1314 rotates between the two limiting columns 1313 and the rotating angle range is 180°-185°. The closer the rotating angle is to 180°, the better it is. The purpose is to ensure that the rotating disc 132 can only be forward and reverse rotated within the range of 180°. Under normal circumstances, the first and second rotating positioning sensors 1310 and 1311 are normal, and the rotating angle of the rotating disc 132 is determined by the sensing rotating positioning stop piece 1312. When the first and second rotating positioning sensors 1310 and 1311 fail, the rotating limiting stop column 1314 and the limiting column 1313 are matched to determine, so as to avoid single rotation of 360° or more and avoid damage to the equipment.

[0042] In the embodiment, in order to realize detachable connection between the rotating shaft 134 and the rotating disc 132, a convex ring 1315 is arranged in the middle of the bottom surface of the circular groove. A plurality of limiting ribs 1316 are arranged in the convex ring 1315. The plurality of limiting ribs 1316 surround a limiting groove. The bottom surface of the limiting groove is provided with three spaced through holes. The end surface of the rotating shaft 134 is fixed with a limiting block 1317. The limiting block 1317 is integrally formed or welded with the rotating shaft 134. The limiting block 1317 is inserted into the limiting groove and fixedly connected with the rotating disc 132 by a plurality of fasteners. Specifically, two fasteners are threadedly connected with the limiting block 1317 through the through holes, and one fastener is threadedly connected with the end surface of the rotating shaft 134 through the through hole. The limiting block 1317 cooperates with the limiting ribs 1316 to ensure the force transmission between the rotating disc 132 and the rotating shaft 134 and the load bearing capacity of the rotating disc 132. The fastener is a screw.

[0043] As shown in Figure 3 and Figure 4 In the embodiment, the lifting frame assembly 11 includes a main support 111. Two guide rails 112 are arranged on the main support 111 at intervals. A lifting sliding block is slidably arranged on the two guide rails 112 and connected with the mounting bracket 131. The two ends of the main support 111 are rotatably provided with a driving synchronous wheel 113 and a driven synchronous wheel 114, respectively. The driving synchronous wheel 113 and the driven synchronous wheel 114 are drivingly connected through a synchronous belt 115. The synchronous belt 115 is fixedly connected with the mounting bracket 131 through a toothed block. The toothed block is engaged with the synchronous belt 115 and fixed on the mounting bracket 131 by a fastening screw. The driving synchronous wheel 113 is connected with a lifting motor 116. The lifting motor 116 works to drive the synchronous belt 115 to move through the driving synchronous wheel 113. The synchronous belt 115 drives the mounting bracket 131 to move through the toothed block. The mounting bracket 131 is stably lifted through the guiding action of the lifting sliding block.

[0044] The top of the main support 111 is provided with a first lifting position sensor 117, the bottom of the main support 111 is provided with a second lifting position sensor 118, the mounting support 131 is provided with a first positioning baffle 119, and the card feeding trolley assembly 12 is provided with a second positioning baffle 1110. The first lifting position sensor 117 is used to sense the first positioning baffle 119, and the second lifting position sensor 118 is used to sense the second positioning baffle 1110. When the first lifting position sensor 117 senses the first positioning baffle 119, it indicates that the card feeding trolley assembly 12 is aligned with the flat module; when the second lifting position sensor 118 senses the second positioning baffle 1110, it indicates that the card feeding trolley assembly 12 is aligned with the concave-convex character printing and color pressing module 2. In this embodiment, when printing on both sides of the card, the card feeding trolley assembly 12 is reset after each time the card is flipped and conveyed into the flat printing module 3, ensuring that the second positioning baffle 1110 is set downward to be sensed by the second lifting position sensor 118 during the lowering process.

[0045] As shown in Figure 9 and Figure 10 , the card feeding trolley assembly 12 includes a left support 121 and a right support 122 arranged at intervals, two groups of card feeding wheels rotatably arranged between the left support 121 and the right support 122, and the two groups of card feeding wheels are synchronously rotated by a card feeding motor 125 and a gear set; the left support 121 is fixedly connected with the rotating disc 132 by a fastener, specifically, the rotating disc 132 is provided with a mounting boss 1318, the fastener is a fastening bolt 1211, the nut of the fastening bolt 1211 is placed in the groove of the mounting boss 1318, and the screw of the fastening bolt 1211 is screwed with the nut, thereby realizing the fixed connection of the left support 121 and the rotating disc 132. The left support 121 and the right support 122 are provided with guide grooves 1210 for guiding the card, the port of the guide groove 1210 is a horn port, which facilitates the entry and guidance of the card; a card detection sensor 129 is arranged at a position corresponding to the guide groove 1210, which is used to judge whether a card enters the guide groove 1210; the two sides of the card enter the guide groove 1210, and the middle part is clamped and conveyed by the card feeding wheel set.

[0046] Specifically, the card feeding wheel set comprises a card rubbing driving wheel 123 and a card rubbing driven wheel 124 arranged to rotate up and down through a mounting shaft, and the gear set comprises a driving gear 126, a large driven gear 127 and two small driven gears 128; each small driven gear 128 is fixedly connected with the mounting shaft of the corresponding card rubbing driving wheel 123, the large driven gear 127 is arranged to rotate on the left support 121, the driving gear 126 is fixedly connected with the output shaft of the card feeding motor 125, and the large driven gear 127 is engaged with the driving gear 126 and the two small driven gears 128. Specifically, the card feeding motor 125 works to drive the driving gear 126 to rotate, thereby driving the large driven gear 127 to rotate, and the large driven gear 127 simultaneously drives the two small driven gears 128 to rotate, and the two small driven gears 128 synchronously drive the two card rubbing driving wheels 123 to rotate, which, in cooperation with the card rubbing driven wheel 124, clamps and feeds the card. The synchronous rotation of the two card rubbing driving wheels 123 can be realized through the large driven gear 127, thereby ensuring the consistent speed of the clamped card feeding.

[0047] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A card transport device, characterized by Include: Lifting frame assembly (11), card feeding trolley assembly (12) and turnover assembly (13), the lifting frame assembly (11) is vertically arranged, the turnover assembly (13) is arranged on the lifting slider of the lifting frame assembly (11), and the card feeding trolley assembly (12) is arranged on the turnover assembly (13), and the turnover assembly (13) is used to drive the card feeding trolley assembly (12) to rotate; The turnover assembly (13) comprises a mounting bracket (131), a rotary disc (132), a turnover motor (133) and a rotary shaft (134); the mounting bracket (131) is fixed on the lifting slider, the rotary disc (132) is provided with a circular groove close to one side of the mounting bracket (131), the side wall of the circular groove is provided with an inner gear ring (135), the turnover motor (133) is fixed on the mounting bracket (131), and the output shaft of the turnover motor (133) is provided with a driving gear (136) engaged with the inner gear ring (135); the rotary shaft (134) is rotatably arranged on the mounting bracket (131) through a first bearing shaft (137) and connected with the center of the rotary disc (132).

2. The card transport apparatus of claim 1, wherein: The side of the mounting bracket (131) away from the rotary disc (132) is provided with a rotary support (138), one end of the rotary support (138) away from the mounting bracket (131) is provided with a second bearing (139), and one end of the rotary shaft (134) is connected with the second bearing (139).

3. The card transport apparatus of claim 2, wherein: The mounting bracket (131) is provided with a first turnover positioning sensor (1310) and a second turnover positioning sensor (1311), the rotary disc (132) is provided with a turnover positioning baffle (1312), and when the turnover positioning baffle (1312) rotates from the first turnover positioning sensor (1310) to the second turnover positioning sensor (1311), the rotation angle is 180°.

4. The card transport apparatus of claim 3, wherein: The mounting bracket (131) is provided with two limiting columns (1313) at intervals, the bottom surface of the circular groove is provided with a rotary limiting baffle column (1314), and the rotary limiting baffle column (1314) rotates between the two limiting columns (1313) and the rotation angle is 180°-185°.

5. The card transport apparatus of claim 4, wherein: The bottom surface of the circular groove is provided with a convex ring (1315), the convex ring (1315) is provided with a plurality of limiting ribs (1316) therein, a plurality of limiting ribs (1316) are surrounded to form a limiting groove, and the end surface of the rotary shaft (134) is fixed with a limiting block (1317). The limiting block (1317) is inserted into the limiting groove, and the limiting block (1317) is fixedly connected with the rotary disc (132) through a plurality of fasteners.

6. The card transport apparatus of any of claims 1-5, wherein: The lifting frame assembly (11) comprises a main support (111), two guide rails (112) are arranged on the main support (111) at intervals, the lifting sliders are slidably arranged on the two guide rails (112), and a driving synchronous wheel (113) and a driven synchronous wheel (114) are rotatably arranged at two ends of the main support (111) respectively, the driving synchronous wheel (113) and the driven synchronous wheel (114) are drivingly connected through a synchronous belt (115), the synchronous belt (115) is fixedly connected with the mounting support (131) through a toothed block, and the driving synchronous wheel (113) is connected with a lifting motor (116).

7. The card transport apparatus of claim 6, wherein: A first lifting position sensor (117) is arranged at the top of the main support (111), a second lifting position sensor (118) is arranged at the bottom of the main support (111), a first positioning baffle (119) is arranged on the mounting support (131), and a second positioning baffle (1110) is arranged on the card feeding trolley assembly (12); the first lifting position sensor (117) is used for sensing the first positioning baffle (119), and the second lifting position sensor (118) is used for sensing the second positioning baffle (1110).

8. The card transport apparatus of claim 7, wherein: The card feeding trolley assembly (12) comprises a left support (121) and a right support (122) arranged at intervals, two groups of card feeding wheels are rotatably arranged between the left support (121) and the right support (122), and the two groups of card feeding wheels are synchronously rotated through a card feeding motor (125) and a gear set; the left support (121) is fixedly connected with the rotary disc (132) through a fastener; the left support (121) and the right support (122) are provided with guide grooves (1210) for guiding the card.

9. The card transport apparatus of claim 8, wherein: The card feeding wheel set comprises a card rubbing driving wheel (123) and a card rubbing driven wheel (124) rotatably arranged on the mounting shaft, the gear set comprises a driving gear (126), a large driven gear (127) and two small driven gears (128), each small driven gear (128) is fixedly connected with the mounting shaft of the corresponding card rubbing driving wheel (123), the large driven gear (127) is rotatably arranged on the left support (121), the driving gear (126) is fixedly connected with the output shaft of the card feeding motor (125), and the large driven gear (127) is in meshing connection with the driving gear (126) and the two small driven gears (128).

10. A double-layered card manufacturing apparatus, characterized by comprising: The card conveying device (1) comprises a bottom plate (4), a concave-convex letter printing and color burning module (2) arranged on the bottom plate (4), a lithography module (3) arranged above the concave-convex letter printing and color burning module (2), and the card conveying device (1) is arranged on the bottom plate (4) and located on one side of the concave-convex letter printing and color burning module (2) and the lithography module (3), and the card feeding and discharging passages of the concave-convex letter printing and color burning module (2) and the lithography module (3) are both directed to the card conveying device (1).

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