Color printing packaging paper printing device with uniform hot stamping

Abstract

The invention relates to the technical field of packaging paper printing, and discloses a uniform hot stamping color printing packaging paper printing device which comprises a main body, a material processing mechanism is arranged at the top of the main body, a processing mechanism is arranged on the left side of the top of the main body, and the material processing mechanism comprises an unwinding assembly and a flattening assembly. The unwinding assembly is arranged on the right side of the top of the main body, the flattening assembly is arranged on the left side of the unwinding assembly, the processing mechanism comprises a printing assembly and a drying and winding assembly, the printing assembly is arranged in the center of the top of the main body, the drying and winding assembly is arranged on the left side of the top, and the flattening assembly comprises a mounting frame; the mounting frame is fixedly connected to the front end and the rear end of the right side of the top of the main body, the flattening assembly is arranged, so that packaging paper can be flattened before being printed, a large number of wrinkles on the surface of the packaging paper are prevented when the packaging paper is conveyed to a printing position, the printing efficiency and the processing efficiency of the device are further improved, and the printing quality of the packaging paper is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of wrapping paper printing, and specifically provides a printing device for color-printed wrapping paper with uniform hot stamping. Background Art

[0002] Wrapping paper refers to the paper used for packaging, which has high strength, low moisture content, low air permeability, no corrosive effect, certain water resistance, and is also very beautiful to use. The paper used for food packaging also requires hygiene, sterility, and no pollution impurities, etc. The paper used for packaging various goods and materials generally has high physical strength and certain water resistance.

[0003] According to a printing device for wrapping paper processing disclosed on the patent network (authorization announcement number: CN213737693U), it is described that "the present invention provides a printing device for wrapping paper processing, which relates to the field of wrapping paper. The printing device for wrapping paper processing includes a base, a buffer sliding rod is slidably connected to the upper end of the base, a buffer spring is sleeved on the surface of the buffer sliding rod, the top end of the buffer sliding rod is fixedly connected to a workbench, a handling motor is fixedly connected to the upper end of the base, the output end of the handling motor is fixedly connected to a first universal shaft, a connecting rod is fixedly connected to the end of the first universal shaft away from the handling motor, a second universal shaft is fixedly connected to the end of the connecting rod away from the first universal shaft, and a gear column is fixedly connected to the end of the second universal shaft away from the connecting rod. In this printing device for wrapping paper processing, by the gear column rotating meshingly along the surface of the gear set, the articulated rod rotates and resets repeatedly, and through the connection of the two universal shafts, the gear column can move up and down and transmit in the gear set, solving the problem of paper jamming during wrapping paper printing and achieving the effect of single-sheet paper feeding during printing." Based on the above content, the applicant believes there are the following defects: The printing device for wrapping paper processing includes a base, a buffer sliding rod is slidably connected to the upper end of the base, a buffer spring is sleeved on the surface of the buffer sliding rod, the top end of the buffer sliding rod is fixedly connected to a workbench. Before printing, the wrapping paper needs to be transported to the printing location for printing, but this device does not have a component for treating the surface of the wrapping paper, and it is impossible to remove the wrinkles on the surface of the wrapping paper, and the wrinkles generated on the surface will cause uneven hot stamping of the wrapping paper. Summary of the Invention

[0004] The purpose of the present invention is to provide a printing device for color-printed wrapping paper with uniform hot stamping to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A printing device for color-printed wrapping paper with uniform hot stamping, including a main body, a material treatment mechanism is arranged at the top of the main body, and a processing mechanism is arranged on the left side at the top of the main body; The material processing mechanism includes an unwinding assembly and a flattening assembly. The unwinding assembly is arranged on the right side of the top of the main body, and the flattening assembly is arranged on the left side of the unwinding assembly. The processing mechanism includes a printing assembly and a drying and winding assembly. The printing assembly is arranged at the center of the top of the main body, and the drying and winding assembly is arranged on the left side of the top.

[0006] Preferably, the flattening assembly includes a mounting frame. The mounting frame is fixedly connected to the front end and the rear end of the right side of the top of the main body. A chute is provided inside the mounting frame. A lead screw is rotatably connected to the rear end of the top of the main body, and a guide rod is fixedly connected to the front end of the top of the main body. A motor fixing frame is fixedly connected to the top of the back of the mounting frame. A second motor is arranged inside the motor fixing frame. A first pulley is rotatably connected to the top of the second motor. A second pulley is arranged on the top of the mounting frame. A transmission belt is connected in transmission between the first pulley and the second pulley. A first slider is slidably connected to the surfaces of the lead screw and the guide rod, and a second slider is slidably connected to the surfaces of the lead screw and the guide rod. A rotating shaft is rotatably connected to the back of the first slider, and a flattening roller is rotatably connected to the surface of the rotating shaft. A cross plate is fixedly connected to the top of the second slider, and a rotating seat is fixedly connected to the bottom of the cross plate. A connecting rod is rotatably connected inside the rotating seat. Fixed rods are fixedly connected to the front and back of the bottom of the connecting rod. An auxiliary flattening roller is rotatably connected to the surface of the fixed rod. The setting of this assembly can enable the packaging paper to be flattened before printing, prevent a large number of wrinkles on the surface of the packaging paper when it is transported to the printing place, further improve the printing efficiency and processing efficiency of the device, and ensure the uniformity of the printing of the packaging paper.

[0007] Preferably, both the lead screw and the guide rod are arranged inside the chute. The second pulley is rotatably connected to the top of the lead screw. The second slider is arranged on the top of the first slider. Four groups of the rotating seat, the connecting rod and the fixed rod are provided. The first pulley is rotatably connected to the output end of the top of the second motor.

[0008] Preferably, the unwinding assembly includes a first base. The first base is fixedly connected to the front end and the rear end of the right side of the top of the main body. A first fixing frame is fixedly connected to the top of the first base. A first rotating shaft is rotatably connected to the back of the first fixing frame. A unwinding roller is rotatably connected to the surface of the first rotating shaft. A first motor is arranged on the front of the first fixing frame. The first rotating shaft is rotatably connected to the output end of the back of the first motor. Through the setting of the unwinding assembly, the automatic unwinding of the packaging paper is realized, reducing the manual operation time of the staff, saving time and effort as a whole, and having higher efficiency.

[0009] Preferably, the printing assembly includes side plates fixedly connected to the front and rear of the center of the top of the main body. A transport roller is rotatably connected to the back of the side plate, and a conveyor belt is drivingly connected to the surface of the transport roller. The front and rear of the center of the top of the main body are fixedly connected with bottom plates, and telescopic brackets are fixedly connected to the top of the bottom plates. A top fixing block is fixedly connected to the top of the telescopic bracket, and a main board is fixedly connected to the back of the top fixing block. A first fixing plate is fixedly connected to the right side of the main board, and a sliding plate is fixedly connected to the right side of the first fixing plate. A rack is slidably connected to the inside of the sliding plate. A second fixing plate is fixedly connected to the bottom right side of the main board, and a third motor is arranged on the back of the second fixing plate. A transmission rod is rotatably connected to the front of the second fixing plate, and a gear is rotatably connected to the surface of the transmission rod. The bottom of the rack is fixedly connected with a roller fixing block, and a roller fixing frame is fixedly connected to the bottom of the roller fixing block. A roller rotating shaft is rotatably connected to the inside of the roller fixing frame, and a fourth motor is arranged on the back of the roller fixing frame. A printing roller is rotatably connected to the surface of the roller rotating shaft.

[0010] Preferably, the transmission rod is rotatably connected to the front output end of the third motor, the roller rotating shaft is rotatably connected to the front output end of the fourth motor, and the gear meshes with the rack.

[0011] Preferably, the drying and winding assembly includes a heating frame fixedly connected to the left side of the top of the main body. Heating chambers are respectively arranged at the top and bottom inside the heating frame, and ultraviolet lamps are fixedly connected to the inside of the heating chambers. A dust-proof net is arranged at the top of the heating chamber. The front and rear of the left side of the top of the main body are fixedly connected with second bases, and a second fixing frame is fixedly connected to the top of the second base. A second rotating shaft is rotatably connected to the back of the second fixing frame, and a winding roller is rotatably connected to the surface of the second rotating shaft. A fifth motor is arranged on the front of the second fixing frame, and the second rotating shaft is rotatably connected to the back output end of the fifth motor.

[0012] Compared with the prior art, the present invention provides a printing device for hot stamping and uniform color printing of packaging paper, having the following beneficial effects: 1. The printing device for hot stamping and uniform color printing of packaging paper is provided with a flattening assembly. The setting of this assembly can flatten the packaging paper before printing, prevent a large number of wrinkles on the surface of the packaging paper when it is transported to the printing position, further improve the printing efficiency and processing efficiency of the device, and ensure the uniformity of the printing of the packaging paper.

[0013] 2. The printing device for hot stamping and uniform color printing of packaging paper is provided with an unwinding assembly. Through the setting of the unwinding assembly, the automatic unwinding of the packaging paper is realized, reducing the manual operation time of the staff, saving time and effort as a whole, and having a high efficiency. Description of the Drawings

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings: Figure 1 Schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the unwinding assembly structure of the present invention; Figure 3 Schematic diagram of the separated view of the flattening assembly structure of the present invention; Figure 4 Schematic diagram of the flattening assembly structure of the present invention; Figure 5 Schematic diagram of the printing assembly structure of the present invention; Figure 6 Schematic diagram of the drying and winding assembly structure of the present invention.

[0015] In the figure: 1, main body; 2, material processing mechanism; 21, unwinding assembly; 211, base one; 212, fixing frame one; 213, rotating shaft one; 214, unwinding roller; 215, motor one; 22, flattening assembly; 221, mounting frame; 222, chute; 223, lead screw; 224, guide rod; 225, motor fixing frame; 226, motor two; 227, pulley one; 228, pulley two; 229, transmission belt; 2201, slider one; 2202, slider two; 2203, rotating shaft; 2204, flattening roller; 2205, cross plate; 2206, rotating seat; 2207, connecting rod; 2208, fixing rod; 2209, auxiliary flattening roller; 3, processing mechanism; 31, printing assembly; 311, side plate; 312, transport roller; 313, conveyor belt; 314, bottom plate; 315, telescopic bracket; 316, top fixing block; 317, main board; 318, fixing plate one; 319, sliding plate; 3101, rack; 3102, fixing plate two; 3103, motor three; 3104, transmission rod; 3105, gear; 3106, roller fixing block; 3107, roller fixing frame; 3108, roller rotating shaft; 31081, motor four; 3109, printing roller; 32, drying and winding assembly; 321, heating frame; 322, heating chamber; 323, ultraviolet lamp tube; 324, dustproof net; 325, base two; 326, fixing frame two; 327, rotating shaft two; 328, winding roller; 329, motor five. Detailed implementation manners

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0017] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] The present invention provides the following technical solutions: Embodiment 1 Please refer to Figures 1-4 , a printing device for color-printed packaging paper with uniform hot stamping includes a main body 1, a material processing mechanism 2 is arranged on the top of the main body 1, and a processing mechanism 3 is arranged on the left side of the top of the main body 1; The material processing mechanism 2 includes an unwinding assembly 21 and a flattening assembly 22. The unwinding assembly 21 is arranged on the right side of the top of the main body 1, and the flattening assembly 22 is arranged on the left side of the unwinding assembly 21; The processing mechanism 3 includes a printing assembly 31 and a drying and winding assembly 32. The printing assembly 31 is arranged at the center of the top of the main body 1, and the drying and winding assembly 32 is arranged on the left side of the top; The flattening assembly 22 includes a mounting frame 221. The mounting frame 221 is fixedly connected to the front end and the rear end of the right side of the top of the main body 1. A chute 222 is formed inside the mounting frame 221. A lead screw 223 is rotatably connected to the rear end of the top of the main body 1. A guide rod 224 is fixedly connected to the front end of the top of the main body 1. A motor fixing frame 225 is fixedly connected to the top of the back of the mounting frame 221. A second motor 226 is arranged inside the motor fixing frame 225. A first pulley 227 is rotatably connected to the top of the second motor 226. A second pulley 228 is arranged on the top of the mounting frame 221. A transmission belt 229 is connected in transmission between the first pulley 227 and the second pulley 228. A first slider 2201 is slidably connected to the surfaces of the lead screw 223 and the guide rod 224. A second slider 2202 is slidably connected to the surfaces of the lead screw 223 and the guide rod 224. A rotating shaft 2203 is rotatably connected to the back of the first slider 2201. A flattening roller 2204 is rotatably connected to the surface of the rotating shaft 2203. A cross plate 2205 is fixedly connected to the top of the second slider 2202. A rotating seat 2206 is fixedly connected to the bottom of the cross plate 2205. A connecting rod 2207 is rotatably connected inside the rotating seat 2206. Fixing rods 2208 are fixedly connected to the front and the back of the bottom of the connecting rod 2207. An auxiliary flattening roller 2209 is rotatably connected to the surface of the fixing rod 2208. The setting of this assembly can enable the packaging paper to be flattened before printing, prevent a large number of wrinkles on the surface of the packaging paper when it is transported to the printing place, further improve the printing efficiency and processing efficiency of the device, and ensure the uniformity of the printing of the packaging paper; Both the lead screw 223 and the guide rod 224 are arranged inside the chute 222. The second pulley 228 is rotatably connected to the top of the lead screw 223. The second slider 2202 is arranged on the top of the first slider 2201. Four groups of the rotating seat 2206, the connecting rod 2207 and the fixing rod 2208 are provided. The first pulley 227 is rotatably connected to the top output end of the second motor 226; The unwinding assembly 21 includes a first base 211. The first base 211 is fixedly connected to the front end and the rear end of the right side of the top of the main body 1. A first fixing frame 212 is fixedly connected to the top of the first base 211. A first rotating shaft 213 is rotatably connected to the back of the first fixing frame 212. An unwinding roller 214 is rotatably connected to the surface of the first rotating shaft 213. A first motor 215 is arranged on the front of the first fixing frame 212. The first rotating shaft 213 is rotatably connected to the back output end of the first motor 215. Through the setting of the unwinding assembly 21, the automatic unwinding of the packaging paper is realized, the manual operation time of the staff is reduced, it is time-saving and labor-saving as a whole, and the efficiency is relatively high.

[0019] Embodiment 2 Please refer to Figures 1-6, and on the basis of the first embodiment, it is further obtained that the printing assembly 31 includes side plates 311, the side plates 311 are fixedly connected to the front and rear ends of the center of the top of the main body 1, a transport roller 312 is rotatably connected to the back surface of the side plates 311, a conveyor belt 313 is drivingly connected to the surface of the transport roller 312, the front and rear ends of the center of the top of the main body 1 are fixedly connected with a bottom plate 314, a telescopic bracket 315 is fixedly connected to the top of the bottom plate 314, a top fixing block 316 is fixedly connected to the top of the telescopic bracket 315, a main board 317 is fixedly connected to the back surface of the top fixing block 316, a first fixing plate 318 is fixedly connected to the right side of the main board 317, a sliding plate 319 is fixedly connected to the right side of the first fixing plate 318, a rack 3101 is slidably connected to the inside of the sliding plate 319, a second fixing plate 3102 is fixedly connected to the bottom right side of the main board 317, a third motor 3103 is arranged on the back surface of the second fixing plate 3102, a transmission rod 3104 is rotatably connected to the front surface of the second fixing plate 3102, a gear 3105 is rotatably connected to the surface of the transmission rod 3104, a roller fixing block 3106 is fixedly connected to the bottom of the rack 3101, a roller fixing frame 3107 is fixedly connected to the bottom of the roller fixing block 3106, a roller rotating shaft 3108 is rotatably connected to the inside of the roller fixing frame 3107, a fourth motor 31081 is arranged on the back surface of the roller fixing frame 3107, and a printing roller 3109 is rotatably connected to the surface of the roller rotating shaft 3108; The transmission rod 3104 is rotatably connected to the front output end of the third motor 3103, the roller rotating shaft 3108 is rotatably connected to the front output end of the fourth motor 31081, and the gear 3105 meshes with the rack 3101; The drying and winding assembly 32 includes a heating frame 321, the heating frame 321 is fixedly connected to the left side of the top of the main body 1, heating chambers 322 are opened at the top and bottom inside the heating frame 321, ultraviolet lamps 323 are fixedly connected to the inside of the heating chambers 322, dust-proof nets 324 are arranged on the tops of the heating chambers 322, second bases 325 are fixedly connected to the front and rear ends of the left side of the top of the main body 1, a second fixing frame 326 is fixedly connected to the top of the second base 325, a second rotating shaft 327 is rotatably connected to the back surface of the second fixing frame 326, a winding roller 328 is rotatably connected to the surface of the second rotating shaft 327, and a fifth motor 329 is arranged on the front surface of the second fixing frame 326, and the second rotating shaft 327 is rotatably connected to the back output end of the fifth motor 329.

[0020] During the actual operation process, when this device is in use, place the wrapping paper to be printed on the unwinding assembly 21, start the first motor 215 to unwind, place the unwound wrapping paper on the flattening assembly 22 and move forward. Start the second motor 226 as required to drive the first pulley 227 to rotate. The first pulley 227 drives the second pulley 228 to rotate through the transmission belt 229, driving the lead screw 223 to rotate and changing the height of the flattening assembly 22 to meet the working requirements. The wrapping paper removes the wrinkles on the surface through the setting of the flattening roller 2204 and the auxiliary flattening roller 2209 to ensure the subsequent printing quality. Next, the wrapping paper moves forward on the conveyor belt 313, adjusts the height of the telescopic bracket 315 as required, starts the third motor 3103 to drive the transmission rod 3104 and the gear 3105 to rotate, driving the rack 3101 to rise or fall inside the sliding plate 319, lowering the bottom assembly, starts the fourth motor 31081, and performs printing through the printing roller 3109. The printed wrapping paper will pass through the heating rack 321 and be dried by the ultraviolet lamp tube 323. Next, the completed wrapping paper is wound up by the winding roller 328 and collected centrally to complete the operation.

[0021] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A printing device for color-printed wrapping paper with uniform hot stamping, comprising a main body (1), characterized in that: A material processing mechanism (2) is provided at the top of the main body (1), and a processing mechanism (3) is provided on the left side of the top of the main body (1); The material processing mechanism (2) includes an unwinding assembly (21) and a flattening assembly (22). The unwinding assembly (21) is arranged on the right side of the top of the main body (1), and the flattening assembly (22) is arranged on the left side of the unwinding assembly (21); The processing mechanism (3) includes a printing assembly (31) and a drying and winding assembly (32). The printing assembly (31) is arranged at the center of the top of the main body (1), and the drying and winding assembly (32) is arranged on the left side of the top.

2. The printing device for a hot stamping uniform color printing packaging paper according to claim 1, characterized in that: The flattening assembly (22) includes a mounting frame (221). The mounting frame (221) is fixedly connected to the front end and the rear end of the right side of the top of the main body (1). A chute (222) is formed inside the mounting frame (221). A lead screw (223) is rotatably connected to the rear end of the top of the main body (1), and a guide rod (224) is fixedly connected to the front end of the top of the main body (1). A motor fixing frame (225) is fixedly connected to the top of the back of the mounting frame (221). A second motor (226) is arranged inside the motor fixing frame (225). A first pulley (227) is rotatably connected to the top of the second motor (226). A second pulley (228) is arranged on the top of the mounting frame (221). A transmission belt (229) is connected in transmission between the first pulley (227) and the second pulley (228). A first slider (2201) is slidably connected to the surfaces of the lead screw (223) and the guide rod (224), and a second slider (2202) is slidably connected to the surfaces of the lead screw (223) and the guide rod (224). A rotating shaft (2203) is rotatably connected to the back of the first slider (2201). A flattening roller (2204) is rotatably connected to the surface of the rotating shaft (2203). A cross plate (2205) is fixedly connected to the top of the second slider (2202). A rotating seat (2206) is fixedly connected to the bottom of the cross plate (2205). A connecting rod (2207) is rotatably connected inside the rotating seat (2206). Fixed rods (2208) are fixedly connected to the front and the back of the bottom of the connecting rod (2207). An auxiliary flattening roller (2209) is rotatably connected to the surface of the fixed rod (2208).

3. A printing device for a stamping-uniform color printing packaging paper according to claim 2, characterized in that: Both the lead screw (223) and the guide rod (224) are arranged inside the chute (222). The second pulley (228) is rotatably connected to the top of the lead screw (223). The second slider (2202) is arranged on the top of the first slider (2201). Four groups of the rotating seat (2206), the connecting rod (2207) and the fixed rod (2208) are provided. The first pulley (227) is rotatably connected to the top output end of the second motor (226).

4. A printing device for a stamping-uniform color printing packaging paper according to claim 1, characterized in that: The unwinding assembly (21) includes a first base (211), the first base (211) is fixedly connected to the front end and the rear end of the right side of the top of the main body (1), a first fixing frame (212) is fixedly connected to the top of the first base (211), a first rotating shaft (213) is rotatably connected to the back of the first fixing frame (212), an unwinding roller (214) is rotatably connected to the surface of the first rotating shaft (213), a first motor (215) is arranged on the front of the first fixing frame (212), and the first rotating shaft (213) is rotatably connected to the output end of the back of the first motor (215).

5. A printing device for a hot stamping uniform color printing packaging paper according to claim 1, characterized in that: The printing assembly (31) includes side plates (311), the side plates (311) are fixedly connected to the front end and the rear end of the center of the top of the main body (1), a conveying roller (312) is rotatably connected to the back of the side plates (311), a conveyor belt (313) is drivingly connected to the surface of the conveying roller (312), a bottom plate (314) is fixedly connected to the front end and the rear end of the center of the top of the main body (1), a telescopic bracket (315) is fixedly connected to the top of the bottom plate (314), a top fixing block (316) is fixedly connected to the top of the telescopic bracket (315), a main board (317) is fixedly connected to the back of the top fixing block (316), a first fixing plate (318) is fixedly connected to the right side of the main board (317), a sliding plate (319) is fixedly connected to the right side of the first fixing plate (318), a rack (3101) is slidably connected to the inside of the sliding plate (319), a second fixing plate (3102) is fixedly connected to the bottom right side of the main board (317), a third motor (3103) is arranged on the back of the second fixing plate (3102), a transmission rod (3104) is rotatably connected to the front of the second fixing plate (3102), a gear (3105) is rotatably connected to the surface of the transmission rod (3104), a roller fixing block (3106) is fixedly connected to the bottom of the rack (3101), a roller fixing frame (3107) is fixedly connected to the bottom of the roller fixing block (3106), a roller rotating shaft (3108) is rotatably connected to the inside of the roller fixing frame (3107), a fourth motor (31081) is arranged on the back of the roller fixing frame (3107), and a printing roller (3109) is rotatably connected to the surface of the roller rotating shaft (3108).

6. The printing device for a hot stamping uniform color printing packaging paper according to claim 5, characterized in that: The transmission rod (3104) is rotatably connected to the output end of the front of the third motor (3103), the roller rotating shaft (3108) is rotatably connected to the output end of the front of the fourth motor (31081), and the gear (3105) meshes with the rack (3101).

7. A printing device for a hot stamping uniform color printing packaging paper according to claim 1, characterized in that: The drying and winding assembly (32) includes a heating rack (321) fixedly connected to the left side of the top of the main body (1). Heating chambers (322) are provided at both the top and bottom inside the heating rack (321). Ultraviolet lamps (323) are fixedly connected inside the heating chambers (322). Dust-proof nets (324) are provided at the tops of the heating chambers (322). Base two (325) is fixedly connected to both the front end and the rear end of the left side of the top of the main body (1). A fixing rack two (326) is fixedly connected to the top of the base two (325). A rotating shaft two (327) is rotatably connected to the back of the fixing rack two (326). A winding drum (328) is rotatably connected to the surface of the rotating shaft two (327). A motor five (329) is provided on the front of the fixing rack two (326). The rotating shaft two (327) is rotatably connected to the output end of the back of the motor five (329).

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