Precise pattern overprinting positioning structure for food paper bags

Abstract

The utility model relates to the technical field of package printing, in particular to a food paper bag pattern accurate overprinting positioning structure which comprises a machine body, a rotating disc is rotationally installed in the center of the top of the machine body, and a positioning mechanism and a discharging mechanism are arranged on the top and the outer side of the rotating disc. According to the positioning mechanism and the discharging mechanism, the magnetic sheet positioning frame is attracted by an electromagnetic valve in a power-on state, attraction to the magnetic sheet positioning frame is relieved by an electromagnetic valve in a power-off state, the magnetic sheet positioning frame is driven by a spring in a reset state to descend, and the magnetic sheet positioning frame is discharged. The magnetic sheet positioning frame in the descending state is matched with the placing table to position the to-be-printed food paper bags, and the material pushing plate in the moving state is used for discharging the printed food paper bags on the surface of the placing table, so that the to-be-printed food paper bags are conveniently positioned and the printed food paper bags are conveniently discharged through the structure; and the printing quality and the processing efficiency of the device on food paper bags are effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of packaging and printing technology, specifically to a structure for precise overprinting and positioning of patterns on food paper bags. Background Technology

[0002] In the food packaging industry, the printing quality of paper bag patterns directly affects the product's appearance and market competitiveness. Precise registration of food paper bag patterns refers to ensuring that multiple colors or patterns are accurately aligned on the paper bag during the printing process.

[0003] When printing patterns on food paper bags, a turntable drives multiple placement tables to rotate, moving the placement tables and the food paper bags to be printed to the printing area of ​​the printing mechanism. However, misregistration is prone to occur during printing, resulting in pattern misalignment, which affects the printing quality of the food paper bags. Furthermore, when unloading the printed food paper bags, they are manually removed from the placement tables, which is labor-intensive and inefficient. Therefore, a precise registration and positioning structure for food paper bag patterns is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a precise overprinting and positioning structure for food paper bag patterns, so as to solve the problem mentioned in the background art that food paper is prone to deviation during overprinting, resulting in pattern misalignment, and that manually removing the food paper bags from the table is labor-intensive and inefficient.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a precise overprinting and positioning structure for food paper bag patterns, comprising a machine body, wherein a turntable is rotatably mounted at the top center of the machine body, and a positioning mechanism and a feeding mechanism are provided on the top and outer side of the turntable;

[0006] The positioning mechanism includes a placement platform, a magnetic sheet positioning frame, an infrared sensor, a guide rod, a solenoid valve, and a spring;

[0007] The placement platform is fixedly connected to the top edge of the turntable, the infrared sensor is located on one side of the placement platform, the guide rod is fixedly connected to the top of the placement platform, the magnetic plate positioning frame slides up and down on the outer wall of the guide rod, the solenoid valve is located at the end of one of the springs, and the spring is sleeved on the outside of the guide rod.

[0008] Preferably, a frame is fixedly connected to the top edge of the machine body, and the surface of the frame is provided with a printing mechanism for printing patterns on food paper bags.

[0009] Preferably, two ends of the spring are fixedly connected with the protruding part of the guide rod and the magnetic sheet positioning frame respectively, and the spring in the extendable and movable state is used for assisting the magnetic sheet positioning frame to move up and down.

[0010] Preferably, the infrared sensor is electrically connected with the electromagnetic valve, and an output end of the electromagnetic valve is magnetically connected with the magnetic sheet positioning frame.

[0011] Preferably, the electromagnetic valve in the power-on state is used for adsorbing the magnetic sheet positioning frame, and the electromagnetic valve in the power-off state is used for releasing the adsorption of the magnetic sheet positioning frame.

[0012] Preferably, the discharging mechanism comprises a pneumatic cylinder, a discharging rack, a sensing module and a pushing plate.

[0013] The pneumatic cylinder is fixedly installed at the top center of the rotating disc, the discharging rack is arranged at the top of the machine body away from the rotating disc, the sensing module is arranged at the top of the machine body away from the discharging rack, and the pushing plate is fixedly connected with the output end of the pneumatic cylinder.

[0014] Preferably, the infrared sensor is electrically connected with the pneumatic cylinder through the sensing module, and the output end of the pneumatic cylinder in the power-on state is used for driving the pushing plate to move.

[0015] Preferably, the discharging rack is arranged in an inclined manner, and the pushing plate in the moving state is used for discharging the food paper bags with printed surface on the placing table.

[0016] Compared with the prior art, the positioning mechanism and the discharging mechanism are used to adsorb the magnetic sheet positioning frame by the electromagnetic valve in the power-on state, release the adsorption of the magnetic sheet positioning frame by the electromagnetic valve in the power-off state, drive the magnetic sheet positioning frame to move downward by the spring in the reset state, position the food paper bags to be printed by the magnetic sheet positioning frame in the descending state in cooperation with the placing table, and discharge the food paper bags with printed surface on the placing table by the pushing plate in the moving state, so that the food paper bags to be printed are positioned and the food paper bags with printed surface are discharged through the above structure, and the printing quality and processing efficiency of the device for the food paper bags are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a main body front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a main body side view structural schematic diagram of the utility model;

[0019] Figure 3 It is a discharging mechanism structural schematic diagram of the utility model;

[0020] Figure 4 The utility model discloses a positioning mechanism structure schematic view;

[0021] Figure 5 The utility model discloses a positioning mechanism another visual angle structure schematic view.

[0022] In the drawing: 1, machine body;2, frame;3, printing mechanism;4, carousel;5, positioning mechanism;501, placing table;502, magnetic sheet positioning frame;503, infrared sensor;504, guide rod;505, electromagnetic valve;506, spring;6, blanking mechanism;601, air cylinder;602, blanking frame;603, induction module;604, push plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a kind of food paper bag pattern accurate overprint positioning structure technical scheme: a kind of food paper bag pattern accurate overprint positioning structure, including machine body 1, the top center of machine body 1 is rotationally installed with carousel 4, the top and outside of carousel 4 are provided with positioning mechanism 5 and blanking mechanism 6;

[0025] Positioning mechanism 5 includes placing table 501, magnetic sheet positioning frame 502, infrared sensor 503, guide rod 504, electromagnetic valve 505 and spring 506;

[0026] Placing table 501 is fixedly connected at the top edge of carousel 4, infrared sensor 503 is arranged at one side of placing table 501, guide rod 504 is fixedly connected at the top of placing table 501, magnetic sheet positioning frame 502 slides on the outer wall of guide rod 504, electromagnetic valve 505 is arranged at the end of a spring 506, and spring 506 is sleeved on the outside of guide rod 504.

[0027] Please refer to Figure 1 The top edge of machine body 1 is fixedly connected with frame 2, and the surface of frame 2 is provided with printing mechanism 3 for printing pattern on food paper bag.

[0028] In the embodiment: multiple groups of placing table 501 are driven to rotate by carousel 4, placing table 501 and the food paper bag to be positioned and printed are rotated to the printing area of printing mechanism 3, so that printing mechanism 3 prints pattern on food paper bag.

[0029] Please refer to Figure 4 , the two ends of the spring 506 are fixedly connected with the protruding part of the guide rod 504 and the magnetic sheet positioning frame 502 respectively, and the spring 506 in the extendable and retractable state is used to assist the magnetic sheet positioning frame 502 to move up and down.

[0030] In this embodiment: the magnetic sheet positioning frame 502 in the rising state extrudes the spring 506, and the spring 506 is compressed under force, so that the spring 506 in the reset state drives the magnetic sheet positioning frame 502 to move downward, and the magnetic sheet positioning frame 502 in the descending state cooperates with the placement table 501 to position the food paper bag to be printed.

[0031] Please refer to Figure 2 , the infrared sensor 503 is electrically connected with the electromagnetic valve 505, and the output end of the electromagnetic valve 505 is magnetically connected with the magnetic sheet positioning frame 502.

[0032] In this embodiment: the output end of the electromagnetic valve 505 in the power-on state is magnetically connected with the magnetic sheet positioning frame 502, so that the output end of the electromagnetic valve 505 in the power-on state is adsorbed to the magnetic sheet positioning frame 502.

[0033] Please refer to Figure 3 , the electromagnetic valve 505 in the power-on state is used to adsorb the magnetic sheet positioning frame 502, and the electromagnetic valve 505 in the power-off state is used to release the adsorption of the magnetic sheet positioning frame 502.

[0034] In this embodiment: the electromagnetic valve 505 is powered on to make the output end of the electromagnetic valve 505 in the power-on state adsorb the magnetic sheet positioning frame 502, and the electromagnetic valve 505 is powered off to make the electromagnetic valve 505 in the power-off state release the adsorption of the magnetic sheet positioning frame 502.

[0035] Please refer to Figure 2 , the blanking mechanism 6 includes a cylinder 601, a blanking frame 602, a sensing module 603 and a pushing plate 604.

[0036] The cylinder 601 is fixedly installed at the top center of the rotating disc 4, the blanking frame 602 is arranged at the top of the machine body 1 away from the rotating disc 4, the sensing module 603 is arranged at the top of the machine body 1 away from the blanking frame 602, and the pushing plate 604 is fixedly connected with the output end of the cylinder 601.

[0037] In the embodiment, when the rotary disc 4 drives the placement table 501 and the printed food paper bag to rotate to the position aligned with the discharging rack 602, the receiving end of the infrared sensor 503 senses the signal of the sensing module 603. Since the infrared sensor 503 is electrically connected with the air cylinder 601 through the sensing module 603, the air cylinder 601 is controlled to be powered on and operated. The output end of the operating state drives the pushing plate 604 to move towards the discharging rack 602. The moving pushing plate 604 discharges the printed food paper bag on the surface of the placement table 501 to the discharging rack 602.

[0038] Please refer to Figure 2 , the infrared sensor 503 is electrically connected with the air cylinder 601 through the sensing module 603, and the output end of the air cylinder 601 in the powered-on state is used to drive the pushing plate 604 to move.

[0039] In the embodiment, the receiving end of the infrared sensor 503 senses the signal of the sensing module 603. Since the infrared sensor 503 is electrically connected with the air cylinder 601 through the sensing module 603, the air cylinder 601 is controlled to be powered on and operated.

[0040] Please refer to Figure 3 , the discharging rack 602 is arranged in an inclined manner, and the moving pushing plate 604 is used to discharge the printed food paper bag on the surface of the placement table 501.

[0041] In the embodiment, the output end of the operating state drives the pushing plate 604 to move towards the discharging rack 602. The moving pushing plate 604 discharges the printed food paper bag on the surface of the placement table 501.

[0042] Working principle: power on the electromagnetic valve 505. Since the output end of the electromagnetic valve 505 is magnetically connected with the magnetic sheet positioning frame 502, the output end of the electromagnetic valve 505 in the powered-on state is adsorbed to the magnetic sheet positioning frame 502. The magnetic sheet positioning frame 502 moves upward along the outer wall track of the guide rod 504. The magnetic sheet positioning frame 502 in the upward state is pressed to the spring 506. The spring 506 is compressed under stress. At this time, the food paper bag to be printed is placed on the surface of the placement table 501. Then, the electromagnetic valve 505 is powered off. The electromagnetic valve 505 in the powered-off state releases the adsorption to the magnetic sheet positioning frame 502. The spring 506 in the reset state drives the magnetic sheet positioning frame 502 to move downward. The magnetic sheet positioning frame 502 in the downward state cooperates with the placement table 501 to position the food paper bag to be printed.

[0043] The rotating disc 4 drives the multiple groups of placing tables 501 to rotate, and the placing tables 501 and the positioned food paper bags to be printed are rotated to the printing area of the printing mechanism 3, so that the printing mechanism 3 prints patterns on the food paper bags; when the rotating disc 4 drives the placing tables 501 and the printed food paper bags to rotate to the position aligned with the discharging frame 602, the receiving end of the infrared sensor 503 senses the signal of the sensing module 603; since the infrared sensor 503 is electrically connected with the air cylinder 601 through the sensing module 603, the air cylinder 601 is controlled to be powered on and operated, and the output end in the operating state drives the pushing plate 604 to move towards the discharging frame 602; the pushing plate 604 in the moving state discharges the printed food paper bags on the surface of the placing tables 501, and discharges the printed food paper bags to the discharging frame 602, so that the above structure facilitates the positioning of the food paper bags to be printed and the discharging of the printed food paper bags, and effectively improves the printing quality and processing efficiency of the device on the food paper bags.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precise overprinting and positioning structure for food paper bag patterns, comprising a body (1), wherein a turntable (4) is rotatably mounted at the top center of the body (1), characterized in that: The top and outer side of the turntable (4) are provided with a positioning mechanism (5) and a feeding mechanism (6). The positioning mechanism (5) includes a placement platform (501), a magnetic sheet positioning frame (502), an infrared sensor (503), a guide rod (504), a solenoid valve (505), and a spring (506). The placement platform (501) is fixedly connected to the top edge of the turntable (4), the infrared sensor (503) is disposed on one side of the placement platform (501), the guide rod (504) is fixedly connected to the top of the placement platform (501), the magnetic plate positioning frame (502) slides up and down on the outer wall of the guide rod (504), the solenoid valve (505) is disposed at the end of a spring (506), and the spring (506) is sleeved on the outside of the guide rod (504).

2. The food paper bag pattern precise overprinting and positioning structure according to claim 1, characterized in that: A frame (2) is fixedly connected to the top edge of the machine body (1), and a printing mechanism (3) for printing patterns on food paper bags is provided on the surface of the frame (2).

3. The food paper bag pattern precise overprinting and positioning structure according to claim 1, characterized in that: The two ends of the spring (506) are fixedly connected to the protrusion of the guide rod (504) and the magnetic sheet positioning frame (502) respectively, and the spring (506) in a telescopic state is used to assist the magnetic sheet positioning frame (502) in lifting and moving.

4. The food paper bag pattern precise overprinting and positioning structure according to claim 1, characterized in that: The infrared sensor (503) is electrically connected to the solenoid valve (505), and the output end of the solenoid valve (505) is magnetically connected to the magnetic positioning frame (502).

5. The food paper bag pattern precise overprinting and positioning structure according to claim 1, characterized in that: When powered on, the solenoid valve (505) is used to attract the magnetic sheet positioning frame (502), and when powered off, the solenoid valve (505) is used to release the attraction of the magnetic sheet positioning frame (502).

6. The food paper bag pattern precise overprinting and positioning structure according to claim 1, characterized in that: The feeding mechanism (6) includes a cylinder (601), a feeding frame (602), a sensing module (603), and a pusher plate (604). The cylinder (601) is fixedly installed at the top center of the turntable (4), the feeding rack (602) is located on the top of the machine body (1) away from the turntable (4), the sensing module (603) is located on the top of the machine body (1) away from the feeding rack (602), and the pusher plate (604) is fixedly connected to the output end of the cylinder (601).

7. The food paper bag pattern precise overprinting and positioning structure according to claim 6, characterized in that: The infrared sensor (503) is electrically connected to the cylinder (601) through the sensing module (603), and the output end of the cylinder (601) in the energized state is used to drive the pusher plate (604) to move.

8. The food paper bag pattern precise overprinting and positioning structure according to claim 6, characterized in that: The feeding rack (602) is inclined, and the moving pusher plate (604) is used to feed the food paper bags printed on the surface of the placement table (501).

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