Multifunctional gluing device for food packaging carton

Abstract

The utility model relates to the technical field of food packaging, in particular to a multifunctional gluing device for a food packaging carton, which comprises a support frame, a feeding plate is mounted on one side of the upper end of the support frame, a crawler belt is mounted on the other side of the upper end of the support frame, a transmission roller is mounted in the middle of the upper end of the support frame, and fixing plates fixedly mounted on the support frame are arranged on two sides of the crawler belt. Glue injection mechanisms are arranged on the sides, close to each other, of the two fixing plates, driving assemblies are installed on the outer side walls of the fixing plates, the working ends of the driving assemblies are located between the two fixing plates and connected with outer pressing rollers, and inner pressing rollers are installed on the inner sides of the outer pressing rollers; glue collecting grooves formed in the inner side wall of the outer pressing roller are formed in the two sides of the inner pressing roller. According to the device, on one hand, glue can be evenly smeared to the surface of the packaging paper box, the stability of the packaging paper box in the using process is guaranteed, and on the other hand, redundant glue in the smearing process can be collected so that recycling can be facilitated.

Description

Technical Field

[0001] This utility model relates to the field of food packaging technology, and in particular to a multifunctional gluing device for food packaging paper boxes. Background Technology

[0002] Currently, the production and sales of food, medicine, and other consumer products are inseparable from the need for packaging boxes. Due to their convenience and efficiency in storing items, packaging boxes are playing an increasingly important role in our production and daily life, and their use is becoming more and more widespread. During the production and processing of packaging boxes, it is necessary to apply glue to the paper boxes.

[0003] In existing boxed food production lines, gluing is often done manually or by glue spraying equipment. Manual operation has high labor costs and low production efficiency, while glue spraying equipment is prone to wasting glue and uneven glue application. Utility Model Content

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A multifunctional gluing device for food packaging cartons includes a support frame. A feeding plate is installed on one side of the upper end of the support frame, a conveyor belt is installed on the other side, and a transfer roller is installed in the middle. Fixed plates are fixedly mounted on the support frame on both sides of the conveyor belt. A glue injection mechanism is provided on the side of the two fixed plates that are close to each other. A drive assembly is installed on the outer wall of the fixed plate. The working end of the drive assembly is located between the two fixed plates and connected to an outer pressure roller. An inner pressure roller is installed inside the outer pressure roller. Glue collection grooves are provided on both sides of the inner pressure roller on the inner wall of the outer pressure roller. A second heating tube is installed inside the inner pressure roller.

[0006] Preferably, the glue dispensing mechanism includes a glue supply pipe, the input end of which is connected to an external glue supply device, and the output end of which is provided with a plurality of vertically arranged glue outlet pipes. A telescopic rod for adjusting the length of the glue outlet pipe is provided on the outside of the glue outlet pipe, the telescopic rod is fixedly installed on a fixed plate, and a glue outlet head is installed at the lower end of the glue outlet pipe.

[0007] Preferably, a first heating tube is installed inside the dispensing head.

[0008] Preferably, the drive assembly includes a motor fixedly mounted on the outer wall of the fixed plate, the output end of the motor is keyed to a rotating shaft, and the rotating shaft is fixedly connected to the outer pressure roller after rotating through the fixed plate.

[0009] Preferably, a storage box and a suction fan are fixedly installed on the outer wall of the fixed plate. The input end of the suction fan is connected to the inside of the storage box. The input end of the storage box is connected to a vent pipe. The end of the vent pipe away from the storage box is connected to a suction port. A front scraper is fixedly connected to the side of the suction port near the inner pressure roller, and a side scraper is fixedly connected to the side near the glue collection trough.

[0010] Compared with the prior art, the advantages of this utility model are:

[0011] 1. This application, through the setting of telescopic rod, glue dispensing tube and glue dispensing head, can heat the glue while injecting it onto the surface of the cardboard box. On the one hand, it can temporarily enhance the fluidity of the glue so that it can spread better, and on the other hand, it can reduce the number of air bubbles when applying the glue.

[0012] 2. By setting up inner and outer pressure rollers, this application ensures that when the glue is squeezed by the outer pressure roller, the inner pressure roller will also squeeze the glue. At the same time, the rolling inner pressure roller will also scrape the glue to a certain height. The outer pressure rollers on both sides can also fix the position of the carton. When the inner pressure roller is flattened, the glue will definitely overflow outward because it is squeezed inside. At this time, the outer pressure roller can also prevent the glue from overflowing excessively.

[0013] 3. In this application, by setting up a front scraper, a side scraper, and a suction fan, the front scraper and the side scraper can scrape off the glue bonded to the inner pressure roller and the glue collection groove when the outer pressure roller and the inner pressure roller rotate. Under the action of the suction fan, the glue is sucked into the ventilation pipe through the suction port and then enters the storage box.

[0014] In summary, through the design of the above-mentioned structure, this application can, on the one hand, evenly apply glue to the surface of the packaging box to ensure the stability of the packaging box during use, and on the other hand, collect excess glue during the application process for recycling. Attached Figure Description

[0015] Figure 1 This is a side view of a multifunctional gluing device for food packaging paper boxes proposed in this utility model.

[0016] Figure 2 A schematic diagram of the cooperative structure of the glue delivery tube and telescopic rod of a multifunctional glue application device for food packaging paper boxes proposed in this utility model;

[0017] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0018] Figure 4A schematic diagram of the interaction between the rotating shaft and the outer pressure roller of a multifunctional gluing device for food packaging paper boxes proposed in this utility model;

[0019] Figure 5 for Figure 4 Enlarged structural diagram at point B;

[0020] Figure 6 This utility model presents a schematic diagram of the interaction between the inner pressure roller and the second heating tube in a multifunctional gluing device for food packaging paper boxes.

[0021] In the diagram: 1 Support frame, 2 Transfer roller, 3 Feed plate, 4 Track, 5 Fixing plate, 6 Glue delivery pipe, 7 Telescopic rod, 8 Glue outlet, 9 First heating pipe, 10 Motor, 11 Rotating shaft, 12 Inner pressure roller, 13 Outer pressure roller, 14 Glue collection trough, 15 Second heating pipe, 16 Front scraper, 17 Side scraper, 18 Air inlet, 19 Vent pipe, 20 Storage box, 21 Blower. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Reference Figures 1 to 6 A multifunctional gluing device for food packaging cartons includes a support frame 1. A feeding plate 3 is installed on one side of the upper end of the support frame, and a conveyor belt 4 is installed on the other side. A transfer roller 2 is installed in the middle. The conveyor belt 4 and the transfer roller 2 are existing technologies, and their specific structural designs will not be described in detail here. Fixed plates 5 are fixedly installed on the support frame 1 on both sides of the conveyor belt 4. Glue supply pipes 6 are installed on the side of the two fixed plates 5 that are close to each other. The input end of the glue supply pipe 6 is connected to an external glue supply device. The output end of the glue supply pipe 6 is provided with multiple vertically arranged glue outlet pipes. Telescopic rods 7 for adjusting the length of the glue outlet pipes are provided on the outside of the glue outlet pipes. The telescopic rods 7 are fixedly installed on the fixed plates 5. A glue outlet head 8 is installed at the lower end of the glue outlet pipe. A first heating tube 9 is installed inside the glue outlet head 8. By setting the first heating tube 9, the glue can be heated, which can enhance its fluidity and thus spread better on the surface of the carton.

[0024] A motor 10 is fixedly installed on the outer wall of the fixed plate 5. The output end of the motor 10 is keyed to a rotating shaft 11. After the rotating shaft 11 rotates through the fixed plate 5, it is fixedly connected to an outer pressure roller 13. An inner pressure roller 12 is installed inside the outer pressure roller 13. The inner pressure roller 12 has glue-collecting grooves 14 on both sides of the inner side wall of the outer pressure roller 13. A second heating tube 15 is installed inside the inner pressure roller 12. The second heating tube 15 is arranged in a ring. The temperature of the second heating tube 15 is lower than the temperature of the colloid after being heated by the first heating tube 9, so that the colloid can have simple plasticity.

[0025] A storage bin 20 and a suction fan 21 are fixedly installed on the outer wall of the fixed plate 5. The input end of the suction fan 21 is connected to the inside of the storage bin 20. The input end of the storage bin 20 is connected to a vent pipe 19. The end of the vent pipe 19 away from the storage bin 20 is connected to a suction port 18. A front scraper 16 is fixedly connected to the side of the suction port 18 near the inner pressure roller 12, and a side scraper 17 is fixedly connected to the side near the glue collection trough 14. Thus, when the outer pressure roller 13 and the inner pressure roller 12 rotate, the front scraper 16 and the side scraper 17 can scrape off the glue adhered to the inner pressure roller 12 and the glue collection trough 14, and under the action of the suction fan 21, the glue is sucked into the vent pipe 19 through the suction port 18 and then into the storage bin 20.

[0026] The specific working principle of this utility model is as follows: First, the cardboard box that needs to be glued is slid from top to bottom from the feed plate 3 onto the conveyor roller 2. Then, the conveyor roller 2 pushes the un-glued cardboard box for gluing. When the cardboard box is conveyed onto the conveyor belt 4, the conveyor belt 4 is installed on the support frame 1 and passes through four sets of glue conveying structures. When one end of the flattened cardboard box reaches the detector in front of the glue conveying structure, the telescopic rod 7 will extend and retract to make the glue dispensing head 8 close to the cardboard box, and then the glue is applied. The function of the first heating tube 9 set inside the glue dispensing head 8 is to heat the temperature of the glue when it is dispensed, so that there are fewer air bubbles when the glue is applied, and at the same time, the glue has better fluidity and can be spread better.

[0027] The cardboard box will then continue to be conveyed. As the cardboard box is pushed forward, it will first be squeezed by the outer pressure roller 13. The motor 10 drives the inner pressure roller 12 and the outer pressure roller 13 to rotate through the rotating shaft 11. When the glue is squeezed by the outer pressure roller 13, the inner pressure roller 12 will also squeeze the glue. At the same time, the rolling inner pressure roller 12 will also scrape the glue to a certain height. The outer pressure rollers 13 on both sides can also fix the position of the cardboard box. When the inner pressure roller 12 flattens the glue, the glue will definitely be squeezed outward because it is squeezed inside. If the glue overflows, the outer pressure roller 13 can prevent the glue from overflowing excessively. A glue collection groove 14 is provided on the inner side of the outer pressure roller 13, and the overflowing glue will flow into it. Then, because the inner pressure roller 12 and the glue collection groove 14 are both stuck with glue, when they rotate to the front scraper 16 and the side scraper 17, they will be scraped off. Due to the setting of the suction fan 21, the glue is drawn into the ventilation pipe 19 through the suction port 18 by the air force of the suction port 18, and then enters the storage box 20, so that the work can continue and there will be no glue sticking on the roller.

[0028] The suction fan 21 is fixedly connected to the fixed plate 5, and the motor 10 is fixedly connected in the same way. The temperature of the second heating tube 15 in the inner pressure roller 12 is lower than the temperature of the heated glue, so the glue can have simple plasticity and a better smoothing state, which can make the subsequent paper box bonding better.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A multifunctional gluing device for food packaging cartons, comprising a support frame (1), wherein a feed plate (3) is mounted on one side of the upper end of the support frame, a conveyor belt (4) is mounted on the other side, and a transfer roller (2) is mounted in the middle position, characterized in that, The track (4) is provided with fixed plates (5) fixedly installed on the support frame (1) on both sides. Each of the two fixed plates (5) is provided with a glue injection mechanism on the side that is close to each other. A drive assembly is installed on the outer wall of the fixed plate (5). The working end of the drive assembly is located between the two fixed plates (5) and connected to an outer pressure roller (13). An inner pressure roller (12) is installed inside the outer pressure roller (13). Glue collection grooves (14) are provided on both sides of the inner pressure roller (12) on the inner wall of the outer pressure roller (13). A ring of second heating tubes (15) is installed inside the inner pressure roller (12).

2. The multifunctional gluing device for food packaging paper boxes according to claim 1, characterized in that, The glue dispensing mechanism includes a glue supply pipe (6), the input end of which is connected to an external glue supply device. The output end of the glue supply pipe (6) is provided with a plurality of vertically arranged glue outlet pipes. A telescopic rod (7) for adjusting the length of the glue outlet pipe is provided on the outside of the glue outlet pipe. The telescopic rod (7) is fixedly installed on a fixed plate (5). A glue outlet head (8) is installed at the lower end of the glue outlet pipe.

3. The multifunctional gluing device for food packaging paper boxes according to claim 2, characterized in that, The dispensing head (8) is equipped with a first heating tube (9).

4. The multifunctional gluing device for food packaging paper boxes according to claim 1, characterized in that, The drive assembly includes a motor (10) fixedly mounted on the outer wall of the fixed plate (5). The output end of the motor (10) is keyed to a rotating shaft (11). The rotating shaft (11) is fixedly connected to the outer pressure roller (13) after rotating through the fixed plate (5).

5. A multifunctional gluing device for food packaging paper boxes according to claim 1, characterized in that, A storage box (20) and a suction fan (21) are fixedly installed on the outer wall of the fixed plate (5). The input end of the suction fan (21) is connected to the inside of the storage box (20). The input end of the storage box (20) is connected to a vent pipe (19). The end of the vent pipe (19) away from the storage box (20) is connected to a suction port (18). A front scraper (16) is fixedly connected to the side of the suction port (18) near the inner pressure roller (12), and a side scraper (17) is fixedly connected to the side near the glue collection trough (14).

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