Sealing device for plastic packaging bag processing and production

Abstract

The utility model relates to the field of plastic packaging bag sealing, and discloses a sealing device for plastic packaging bag processing and production, which comprises a base, the top of the base is fixedly connected with a sealing table, the top of the base is fixedly connected with a support frame, and the surface of the support frame is fixedly connected with an air cylinder. A lifting plate is fixedly connected to the output end of the air cylinder, a heating head is fixedly connected to the bottom of the lifting plate, a smoothing structure is arranged on the surface of the lifting plate and comprises a supporting rod, a smoothing assembly is arranged at the bottom of the supporting rod, and a connecting rod is hinged to the center of the supporting rod; an elastic assembly is arranged on the surface of the connecting rod, and a smoke removing assembly is further arranged at the bottom of the lifting plate. According to the plastic bag sealing device, the flattening structure is arranged, so that the plastic bag can be flattened before being sealed, meanwhile, peculiar smell diffusion in the sealing stage is avoided, and the sealing effect of the plastic bag is improved.

Description

Technical Field

[0001] The utility model relates to the field of plastic packaging bag sealing, in particular to a sealing device for processing and producing plastic packaging bags. Background Art

[0002] Plastic packaging can isolate and protect food, medicine and other items to a certain extent, avoid the invasion of foreign bacteria, dust and other pollutants, and ensure the quality and safety of the items. At the same time, it can also maintain the original fragrance and taste of the items. In the process of plastic packaging bag production and processing, the plastic packaging bag needs to be heat-sealed.

[0003] After searching, Chinese patent announcement number: CN212829489U discloses a plastic bag sealing device, which is provided with a sealing component and a base that cooperate with each other to fix the plastic bag, so that the plastic bag is flat and not easy to form wrinkles; the electric melting component, the cooling component and the moving component in the sealing component cooperate with each other, so that after the electric melting component seals the plastic bag, the cooling component follows the electric melting component to cool down the plastic bag at a high temperature, so that the sealing part of the plastic bag is quickly cooled and formed.

[0004] In the above technical solution, the sealing assembly cooperates with the base to cool the plastic bag after sealing. However, the plastic bag needs to be flattened manually before sealing, which reduces the sealing efficiency of the plastic bag. At the same time, the plastic bag will produce odor when heat-sealed due to its material. When a large number of plastic bags are sealed, the odor will spread, which is not conducive to the health of the workers. Therefore, a sealing device for plastic packaging bag processing and production is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a sealing device for processing and producing plastic packaging bags, aiming to improve the problem that the sealing device for processing and producing plastic packaging bags in the prior art lacks smoothing before sealing, resulting in reduced sealing efficiency and the inability to remove odor caused by heat sealing when sealing a large number of plastic bags.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sealing device for processing and producing plastic packaging bags, comprising a base, a sealing platform is fixedly connected to the top of the base, a support frame is fixedly connected to the top of the base, a cylinder is fixedly connected to the surface of the support frame, a lifting plate is fixedly connected to the output end of the cylinder, a heating head is fixedly connected to the bottom of the lifting plate, a smoothing structure is arranged on the surface of the lifting plate, the smoothing structure comprises a support rod, a smoothing assembly is arranged at the bottom of the support rod, a connecting rod is hinged at the center of the support rod, an elastic assembly is arranged on the surface of the connecting rod, and a smoke removal assembly is also arranged at the bottom of the lifting plate.

[0007] As a further description of the above technical solution:

[0008] The inner wall of the sealing platform is fixedly connected with a U-shaped partition, the inner wall of the U-shaped partition is fixedly connected with an inclined plate, a water inlet hole is opened through the surface of the U-shaped partition, and the inner wall of the sealing platform is fixedly connected with a cold air blower through a pipeline.

[0009] As a further description of the above technical solution:

[0010] The top of the support rod is hinged to the bottom of the lifting plate.

[0011] As a further description of the above technical solution:

[0012] The smoothing assembly comprises a mounting frame, and the inner surface of the mounting frame is rotatably connected with a smoothing roller.

[0013] As a further description of the above technical solution:

[0014] The elastic component comprises a telescopic rod, and a telescopic spring is sleeved on the outer wall of the telescopic rod.

[0015] As a further description of the above technical solution:

[0016] The smoke removal component includes a push switch, a contact ring is fixedly connected to the surface of the support rod, an air pump is fixedly connected to the surface of the mounting frame, and a through hole is opened through the surface of the smoothing roller.

[0017] As a further description of the above technical solution:

[0018] The U-shaped partition is located directly below the heating head.

[0019] As a further description of the above technical solution:

[0020] The top of the cooling fan is fixedly connected to the lower surface of the base.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by setting the telescopic characteristics of the telescopic rod and the telescopic spring, the support rod can drive the smoothing roller to expand outward and contact the plastic bag, and the contact ring cooperates with the press switch to allow the odor generated by heat sealing to be extracted through the through-hole air pump, so that the plastic bag can be smoothed before sealing while avoiding the spread of odor in the sealing stage, thereby improving the sealing effect of the plastic bag.

[0023] 2. In the utility model, a cold air blower is provided to blow and cool the coolant in the sealing table, so that the coolant flows through the water inlet hole into the U-shaped partition, and the sealing table is used to transfer the cold source to the sealed part of the plastic bag. At the same time, the inclined plate is provided to prevent the coolant from entering the U-shaped partition during the sealing stage of the plastic bag and affecting the heat sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view schematic diagram of the main structure of a sealing device for processing and producing plastic packaging bags proposed by the utility model;

[0025] Figure 2 This is a bottom view schematic diagram of the main structure of a sealing device for processing and producing plastic packaging bags proposed by the utility model;

[0026] Figure 3 This is a schematic side view of the main structure of a sealing device for processing and producing plastic packaging bags proposed by the utility model;

[0027] Figure 4 The utility model provides a sealing device for processing and producing plastic packaging bags. Figure 3 A magnified schematic diagram of area A in the middle.

[0028] Legend:

[0029] 1. Base; 2. Sealing table; 3. Support frame; 4. Cylinder; 5. Lifting plate; 6. Heating head; 7. Support rod; 8. Mounting frame; 9. Smoothing roller; 10. Connecting rod; 11. Telescopic rod; 12. Telescopic spring; 13. Air pump; 14. Through hole; 15. Push switch; 16. Contact ring; 17. U-shaped partition; 18. Inclined plate; 19. Water inlet hole; 20. Air cooler. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-Figure 3The utility model provides an embodiment: a sealing device for processing and producing plastic packaging bags, including a base 1, a sealing platform 2 is fixedly connected to the top of the base 1, the interior of the sealing platform 2 is hollow, and the cavity is filled with cooling liquid, a support frame 3 is fixedly connected to the top of the base 1, a cylinder 4 is fixedly connected to the surface of the support frame 3, a lifting plate 5 is fixedly connected to the output end of the cylinder 4, a heating head 6 is fixedly connected to the bottom of the lifting plate 5, an electric heating rod is arranged inside the heating head 6, and a heat source can be generated on the surface of the heating head 6, and after the cylinder 4 drives the heating head 6 to fit with the plastic bag, the plastic bag is heat-sealed. A smoothing structure is provided on the surface of the lifting plate 5, and the smoothing structure includes a mounting frame 8, a smoothing roller 9, a connecting rod 10, a telescopic rod 11, a telescopic spring 12, an air pump 13, a through hole 14, a push switch 15, and a contact ring 16. Four groups of support rods 7 are provided, and the four groups of support rods 7 are arranged in a rectangular array in pairs with the center point of the heating head 6 as the symmetry axis. The number of connecting rods 10 is equal to that of the support rods 7. A smoothing component is provided at the bottom of the support rod 7, and a connecting rod 10 is hinged at the center of the support rod 7. An elastic component is provided on the surface of the connecting rod 10, and a smoke removal component is also provided at the bottom of the lifting plate 5.

[0032] Reference Figure 1-Figure 3 The top of the support rod 7 is hinged to the bottom of the lifting plate 5, the smoothing component includes a mounting frame 8, the mounting frame 8 is provided with two groups, and the top ends of the two groups of mounting frames 8 are respectively connected to the support rods 7 in pairs, and the inner surface of the mounting frame 8 is rotatably connected with a smoothing roller 9, the elastic component includes a telescopic rod 11, the outer wall of the telescopic rod 11 is provided with a telescopic spring 12, and the two ends of the telescopic rod 11 are fixedly connected to the opposite ends of the two groups of connecting rods 10, and the smoke removal component includes a press switch 15, and the press switch 15 is pressed when the outside is After the pressing end applies force, the air pump 13 starts, and the air pump 13 sucks air through the pipe inserted into the smoothing roller 9. The surface of the support rod 7 is fixedly connected with a contact ring 16, and the surface of the mounting frame 8 is fixedly connected with the air pump 13. The output end of the air pump 13 is connected to an external pipe. The pipe can be arranged as a telescopic tube to facilitate the extraction of dust and smoke and discharge the dust and smoke into the water. The surface of the smoothing roller 9 is penetrated by a through hole 14, and the through hole 14 is arranged in a plurality of groups, and the plurality of groups of through holes 14 are equidistantly distributed on the surface of a group of smoothing rollers 9 on the left.

[0033] Reference Figure 1 and Figure 4The inner wall of the sealing table 2 is fixedly connected with a U-shaped partition 17, and the inner wall of the U-shaped partition 17 is fixedly connected with an inclined plate 18. The setting of the inclined plate 18 can make the coolant flow to the water inlet hole 19 under the influence of gravity in a static state, so as to be discharged from the cavity of the U-shaped partition 17. The surface of the U-shaped partition 17 is penetrated with a water inlet hole 19. The inner wall of the sealing table 2 is fixedly connected with a cold air fan 20 through a pipeline. The cold air fan 20 can blow cold air into the interior of the sealing table 2 through the pipeline. At the same time, an air outlet is provided on the back of the sealing table 2. The liquid level of the coolant is much lower than the height of the air outlet. The U-shaped partition 17 is located directly below the heating head 6, and the top of the cold air fan 20 is fixedly connected to the lower surface of the base 1.

[0034] Working principle: Place the plastic bag on the surface of the sealing table 2, and the area of ​​the plastic bag that needs to be sealed needs to be placed directly under the heating head 6. Start the cylinder 4, and the cylinder 4 drives the lifting plate 5 until the heating head 6 contacts the plastic bag to heat-seal it. When the lifting plate 5 is on the way down, the two sets of smoothing rollers 9 follow and fall down, and the smoothing rollers 9 contact the surface of the plastic bag first. When the lifting plate 5 continues to descend, the two sets of smoothing rollers 9 will be forced to expand outward to smooth the plastic bag. At the same time, the telescopic rod 11 and the telescopic spring 12 will be stretched and deformed accordingly. When the smoothing rollers 9 rotate to smooth the plastic bag, the heating head 6 contacts the plastic bag. At this time, the two sets of support rods 7 are at the maximum expansion range. Due to the setting of the contact ring 16, the contact ring 16 squeezes the press switch 15, so that the air pump 13 is automatically turned on, and the air pump 13 passes the through hole 14 to heat The odor generated by the sealing is sucked and discharged into an external water tank to prevent the odor generated after the plastic bag is heated from spreading and causing harm to the staff. When the heat sealing is completed, the cylinder 4 drives the lifting plate 5 to rise, and the air cooler 20 is started. The air cooler 20 produces cold wind to blow the coolant. The coolant flows in the cavity of the sealing table 2 and enters the interior of the U-shaped partition 17 through the water inlet hole 19, so that the surface of the sealing table 2 in the area where the plastic bag is sealed is gradually cooled by the coolant, and the plastic bag is cooled. When the subsequent plastic bags are sealed, the cooled plastic bags are removed from the sealing table 2. At this time, the air cooler 20 stops running, and the coolant slides down the inclined plate 18 through the water inlet hole 19 and flows back to the sealing table 2, ensuring that the sealing area of ​​the sealing table 2 is not affected by the coolant and can cooperate with the heating head 6 for heat sealing.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing device for processing and producing plastic packaging bags, comprising a base (1), a sealing platform (2) is fixedly connected to the top of the base (1), a support frame (3) is fixedly connected to the top of the base (1), a cylinder (4) is fixedly connected to the surface of the support frame (3), a lifting plate (5) is fixedly connected to the output end of the cylinder (4), and a heating head (6) is fixedly connected to the bottom of the lifting plate (5), characterized in that: The surface of the lifting plate (5) is provided with a smoothing structure, the smoothing structure comprises a support rod (7), a smoothing component is provided at the bottom of the support rod (7), a connecting rod (10) is hinged at the center of the support rod (7), an elastic component is provided on the surface of the connecting rod (10), and a smoke removal component is also provided at the bottom of the lifting plate (5).

2. A sealing device for processing and producing plastic packaging bags according to claim 1, characterized in that: The inner wall of the sealing platform (2) is fixedly connected to a U-shaped partition (17), the inner wall of the U-shaped partition (17) is fixedly connected to an inclined plate (18), a water inlet hole (19) is provided through the surface of the U-shaped partition (17), and the inner wall of the sealing platform (2) is fixedly connected to a cooling fan (20) via a pipeline.

3. A sealing device for processing and producing plastic packaging bags according to claim 1, characterized in that: The top of the support rod (7) is hinged to the bottom of the lifting plate (5).

4. A sealing device for processing and producing plastic packaging bags according to claim 1, characterized in that: The smoothing component comprises a mounting frame (8), and the inner surface of the mounting frame (8) is rotatably connected to a smoothing roller (9).

5. The sealing device for processing and producing plastic packaging bags according to claim 1, characterized in that: The elastic component comprises a telescopic rod (11), and a telescopic spring (12) is sleeved on the outer wall of the telescopic rod (11).

6. A sealing device for processing and producing plastic packaging bags according to claim 4, characterized in that: The smoke removal component comprises a push switch (15), a contact ring (16) is fixedly connected to the surface of the support rod (7), an air pump (13) is fixedly connected to the surface of the mounting frame (8), and a through hole (14) is opened through the surface of the smoothing roller (9).

7. A sealing device for processing and producing plastic packaging bags according to claim 2, characterized in that: The U-shaped partition (17) is located directly below the heating head (6).

8. The sealing device for processing and producing plastic packaging bags according to claim 2, characterized in that: The top of the cooling fan (20) is fixedly connected to the lower surface of the base (1).

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