Heating device of plastic packaging machine

Abstract

The utility model discloses a heating device of a plastic packaging machine, which belongs to the technical field of plastic packaging machines and comprises a mounting shell and a heating mechanism, a top cover is mounted at the top end of the inner wall of the mounting shell, the heating mechanism is arranged on the inner walls of the mounting shell and the top cover, the inner walls of the mounting shell and the top cover are rotatably connected with a plurality of uniformly distributed rollers, and the rollers are arranged on the mounting shell and the top cover. A heating block is installed on one side of the inner wall of the roller, a heat conduction ring is fixedly connected to the inner wall of the roller, and one end of the heat conduction ring is fixedly connected with the heating block. By means of the mode, the rollers in the top cover and the mounting shell can be heated through the heating blocks, then heat is evenly conducted to the rollers through the heat conduction rings, the rollers are heated, the first fan rotates to blow out air flow, the air flow becomes hot air through the heating plate, and the hot air is evenly dispersed between the top cover and the mounting shell; the integrated temperature sensor can monitor the temperature in the plastic packaging machine in real time, the preheating speed of the plastic packaging machine can be increased, and auxiliary heating can be conducted on the plastic packaging machine.

Description

Technical Field

[0001] This utility model relates to the field of laminating machine technology, specifically to a heating device for a laminating machine. Background Technology

[0002] A laminating machine is a device used for laminating items. It uses a polyester film coated with hot melt adhesive to bond the items to be sealed within the plastic film. Because the process is carried out under pressure and high temperature, and uses high-quality polyester film and highly transparent hot melt adhesive, it not only ensures the sealed items are not damaged at room temperature but also enhances their visual appeal.

[0003] Currently, a Chinese patent discloses an auxiliary heating device for a sealing machine (authorization announcement number CN212023171U). Based on the original quartz tube heating within the upper and lower rubber rollers, an auxiliary heating device is added. This auxiliary heating device consists of upper and lower mica heating plates, which are installed inside aluminum profiles for rapid heat transfer. This device is located between the infeed and outfeed rubber roller groups, providing auxiliary heating for the sealing film. It is particularly effective for thicker films, resulting in a rapid temperature rise in the film after passing through the auxiliary heating device, leading to good film transfer, high work efficiency, and excellent sealing performance, especially for thick films.

[0004] According to the above references, the device uses auxiliary heating plates of upper and lower mica heating elements installed inside the aluminum profile to assist in heating the laminating film, resulting in a rapid temperature rise and good lamination effect. However, when using upper and lower mica heating elements to assist in heating the laminating film, the preheating of the laminating machine is slow in low-temperature environments, requiring a long preheating time. This makes it inconvenient to quickly preheat the laminating machine and improve the device's performance.

[0005] Based on this, the present invention designs a heating device for a sealing machine to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a heating device for a sealing machine.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A heating device for a sealing machine includes a mounting shell, a top cover mounted on the top of the inner wall of the mounting shell, and a heating mechanism disposed on the inner walls of the mounting shell and the top cover. Several evenly distributed rollers are rotatably connected to the inner walls of the mounting shell and the top cover. A heating block is mounted on one side of the inner wall of each roller, and a heat-conducting ring is fixedly connected to the inner wall of each roller. One end of the heat-conducting ring is fixedly connected to the heating block.

[0009] Furthermore, the heating mechanism also includes a first fan installed on both sides of the inner wall of the top cover, and a heating plate is installed at the bottom of the first fan, which is installed on the inner wall of the top cover.

[0010] Furthermore, filter plates are fixedly connected to both sides of the top of the top cover, and the filter plates are located at the top of the first fan.

[0011] Furthermore, two integrated temperature sensors are installed on one side of the inner wall of the top cover.

[0012] Furthermore, the front end of the top cover is rotatably connected to several evenly arranged first baffles.

[0013] Furthermore, a second baffle (309) is installed on the opposite side of both the top cover and the mounting shell.

[0014] Furthermore, the upper second baffle (309) is rotatably connected to the top cover (2), and the lower second baffle (309) is fixedly connected to the mounting shell (1).

[0015] Furthermore, two heat lamps are installed in the middle of the inner wall of the mounting shell and the top cover.

[0016] Furthermore, a second fan is installed on both sides of the inner wall of the mounting housing.

[0017] Furthermore, air guide grooves are provided on both sides of the inner wall of the mounting housing, and the air guide grooves are located on one side of the second fan.

[0018] Beneficial effects

[0019] 1. When heating the laminator, the top cover and several rollers inside the mounting shell are heated by heating blocks, and the heat is then evenly transferred to the rollers through a heat-conducting ring. The first fan rotates and blows out airflow, which is then turned into hot air and evenly distributed between the top cover and the mounting shell, improving the preheating efficiency of the laminator. The first baffle at the front end and the second baffle at the rear end of the top cover are made of flexible heat-resistant material, which can reduce the diffusion of heat inside the laminator and improve the temperature stability of the laminator. The integrated temperature sensor can monitor the temperature inside the laminator in real time, which can improve the preheating speed of the laminator and provide auxiliary heating for the laminator.

[0020] 2. When heating the laminator, the heat lamps inside the top cover and mounting housing can emit heat to increase the temperature inside the laminator and accelerate the preheating efficiency. The heat lamps are located in the middle of the inner wall of the top cover and mounting housing, which can preheat the rollers and heating wires. After the laminator has finished heating the laminating film, it can be cooled down by two secondary fans. The air guide trough is tilted to one side to guide the airflow and prevent the airflow from blowing into the laminator. This can heat the laminator and improve its performance. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a perspective view of the main structure of the heating device of a laminator according to the present invention;

[0023] Figure 2 This is a perspective view of the heating mechanism structure in the heating device of a laminator according to the present invention;

[0024] Figure 3 This is a partial perspective view of the heating mechanism structure in the heating device of a laminator according to the present invention;

[0025] Figure 4 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 5 This is a half-sectional perspective view of the heating mechanism structure in the heating device of a plastic sealing machine according to the present invention.

[0027] The labels in the diagram represent:

[0028] 1. Mounting housing; 2. Top cover; 3. Heating mechanism; 301. Roller; 302. Heating block; 303. Heat-conducting ring; 304. First fan; 305. Heating plate; 306. Filter plate; 307. Integrated temperature sensor; 308. First baffle; 309. Second baffle; 310. Heat lamp; 311. Second fan; 312. Air guide duct. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0030] The present invention will be further described below with reference to the embodiments.

[0031] In some embodiments, please refer to the appendix to the instruction manual. Figure 1-5 A heating device for a sealing machine includes a mounting shell 1, a top cover 2 mounted on the top of the inner wall of the mounting shell 1, and a heating mechanism 3 disposed on the inner walls of the mounting shell 1 and the top cover 2. Several evenly distributed rollers 301 are rotatably connected to the inner walls of the mounting shell 1 and the top cover 2. A heating block 302 is mounted on one side of the inner wall of the rollers 301. A heat-conducting ring 303 is fixedly connected to the inner wall of the rollers 301, and one end of the heat-conducting ring 303 is fixedly connected to the heating block 302.

[0032] When using the laminator, the heating wire inside the laminator is energized and heated by manually operating the control panel. Then, the motor inside the laminator drives the gears to rotate the roller 301 to compact and convey the laminator film. The film is then heated by the heating wire. The controller energizes the heating block 302, which is in contact with the heat-conducting ring 303 to evenly conduct heat into the roller 301, thereby increasing the preheating speed of the laminator.

[0033] In some embodiments, such as Figure 2 , Figure 3 and Figure 4 As shown, in a preferred embodiment of the present invention, the heating mechanism 3 further includes a first fan 304 installed on both sides of the inner wall of the top cover 2, and a heating plate 305 is installed at the bottom of the first fan 304. The heating plate 305 is installed on the inner wall of the top cover 2.

[0034] The controller drives the first fan 304 to rotate and blow out airflow. The controller then powers the heating plate 305 to heat it. The airflow becomes warm air after passing through the heating plate 305, which can evenly heat the sealing machine, improve the temperature stability inside the sealing machine, and enhance the heating effect.

[0035] In this embodiment of the utility model, filter plates 306 are fixedly connected to both sides of the top of the top cover 2, and the filter plates 306 are disposed at the top of the first fan 304.

[0036] When the first fan 304 delivers airflow from outside the laminator to inside the laminator, the airflow passes through the filter plate 306, which filters impurities in the airflow and improves the performance of the laminator.

[0037] In this embodiment of the invention, two integrated temperature sensors 307 are installed on one side of the inner wall of the top cover 2.

[0038] When heating the laminator, the temperature inside the laminator is monitored by an integrated temperature sensor 307. When current passes through the integrated temperature sensor 307, the resistance will show a temperature-dependent change. As the temperature rises, the resistance value of the material will also increase accordingly. By measuring the change in resistance, the integrated temperature sensor 307 can determine the ambient temperature and improve the temperature stability of the laminator.

[0039] In this embodiment of the utility model, the front end of the top cover 2 is rotatably connected with a plurality of uniformly arranged first baffles 308.

[0040] When the top cover 2 is heated, the first baffle 308 at the front end can reduce the contact between the sealing machine and the outside world and reduce the diffusion of heat inside the sealing machine, so as to keep the internal temperature of the sealing machine stable.

[0041] In this embodiment of the utility model, a second baffle (309) is installed on the opposite side of the top cover 2 and the mounting shell 1.

[0042] The second baffle 309 at the rear end of the top cover 2 and the mounting shell 1 cooperates with the first baffle 308 to reduce the heat dissipation of the sealing machine.

[0043] In this embodiment of the utility model, the upper second baffle (309) is rotatably connected to the top cover (2), and the lower second baffle (309) is fixedly connected to the mounting shell (1).

[0044] The top cover 2 and the second baffle 309 at the rear end of the mounting shell 1 cooperate with each other to facilitate the placement of the sealing film into the sealing machine, thereby improving the effectiveness of the device.

[0045] In some embodiments, such as Figure 5 As shown, in a preferred embodiment of this utility model, two heating lamps 310 are installed in the middle of the inner wall of the mounting shell 1 and the top cover 2.

[0046] When heating the sealing machine, the heating lamp 310 is heated by the controller. The heat emitted by the heating lamp 310 assists in heating the roller 301 and the heating wire. The power of the heating lamp 310 is 100 watts, which can improve the preheating efficiency of the sealing machine.

[0047] In this embodiment of the invention, a second fan 311 is installed on both sides of the inner wall of the mounting shell 1.

[0048] After the plastic sealing film is heated, when it comes out of the plastic sealing machine, the controller drives the second fan 311 to rotate and blow out airflow to cool the plastic sealing film, thereby improving the performance of the device.

[0049] In this embodiment of the utility model, air guide grooves 312 are provided on both sides of the inner wall of the mounting shell 1, and the air guide grooves 312 are located on one side of the second fan 311.

[0050] When the second fan 311 rotates, the airflow is blown toward the sealing film through the air guide 312. The air guide 312 is tilted to one side to guide the airflow and improve the performance of the sealing machine.

[0051] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A heating device for a laminating machine, comprising a mounting shell (1), wherein a top cover (2) is mounted on the top of the inner wall of the mounting shell (1), characterized in that: It also includes a heating mechanism (3), which is disposed on the inner wall of the mounting shell (1) and the top cover (2). Several evenly distributed rollers (301) are rotatably connected to the inner walls of the mounting shell (1) and the top cover (2). A heating block (302) is installed on one side of the inner wall of the roller (301). A heat-conducting ring (303) is fixedly connected to the inner wall of the roller (301). One end of the heat-conducting ring (303) is fixedly connected to the heating block (302).

2. The heating device of the sealing machine according to claim 1, characterized in that, The heating mechanism (3) further includes a first fan (304) installed on both sides of the inner wall of the top cover (2), and a heating plate (305) is installed at the bottom of the first fan (304), and the heating plate (305) is installed on the inner wall of the top cover (2).

3. The heating device of the sealing machine according to claim 2, characterized in that, The top cover (2) has filter plates (306) fixedly connected to both sides of the top, and the filter plates (306) are located at the top of the first fan (304).

4. The heating device of the sealing machine according to claim 1, characterized in that, Two integrated temperature sensors (307) are installed on one side of the inner wall of the top cover (2).

5. The heating device for the sealing machine according to claim 1, characterized in that, The front end of the top cover (2) is rotatably connected to several uniformly arranged first baffles (308).

6. The heating device of the sealing machine according to claim 1, characterized in that, The top cover (2) and the mounting shell (1) are each equipped with a second baffle (309).

7. The heating device of the sealing machine according to claim 6, characterized in that, The upper second baffle (309) is rotatably connected to the top cover (2), and the lower second baffle (309) is fixedly connected to the mounting shell (1).

8. The heating device of the sealing machine according to claim 1, characterized in that, Two heat lamps (310) are installed in the middle of the inner wall of the mounting shell (1) and the top cover (2).

9. The heating device for the sealing machine according to claim 1, characterized in that, A second fan (311) is installed on both sides of the inner wall of the mounting housing (1).

10. The heating device of the sealing machine according to claim 9, characterized in that, The inner wall of the mounting housing (1) is provided with air guide grooves (312) on both sides, and the air guide grooves (312) are located on one side of the second fan (311).

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