Packaging bag sealing machine

By using outer boxes and protective boxes in packaging bag sealing machines to reduce heat loss, and using rubber plates and sliding connections to improve protection and accuracy, the problem of heat loss of sealing plates is solved, achieving more efficient sealing effect and power saving .

CN222330147UActive Publication Date: 2025-01-10HEBEI XIONGAN FISHING PORT FOOD CO LTD
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Patent Information

Application Number
CN202420838729.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-01-10
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The heat of the sealing plate of existing packaging bag sealing machines is easily lost, affecting the sealing effect and increasing power consumption.

Method used

A bag sealing machine was designed, using an outer box and a protective box to reduce heat loss and strengthen protection and accuracy through rubber sheets and sliding connections.

Benefits of technology

It effectively reduces heat loss, saves electricity, improves seal accuracy and protection, and avoids the danger of clamping hands and attachment of external debris.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222330147U_ABST
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Abstract

The utility model discloses a packaging bag sealing machine, and relates to the technical field of packaging bag sealing. The packaging bag sealing machine comprises a machine base, and a lower pressing block is fixedly installed at the center of the upper surface of the machine base. Through the arrangement of the outer box, the protection box and the like, when the packaging bag does not need to be subjected to plastic sealing, the upper pressing block can retract into the protection groove, long-time contact with outside air is avoided, heat loss of the upper pressing block is reduced, electric energy is saved, and meanwhile before the plastic bag is subjected to heat sealing, the protection box abuts against the packaging bag, so that the packaging bag is prevented from being damaged. A packaging bag can be clamped and positioned, the accuracy is enhanced, the danger of hand clamping is avoided as much as possible through sliding buffering of a protection box, an upper pressing block can be protected by arranging a slidable rubber plate and sealing the interior of a through groove when the packaging bag does not need to be sealed, and therefore the packaging bag is prevented from being damaged. External sundries are prevented from being attached to the surface to affect normal use, and the protection performance is enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag sealing, in particular to a packaging bag sealing machine. Background Art

[0002] A packaging bag self-sealing machine is a device used to seal plastic bags or composite bags. It is also called a self-sealing bag sealing machine or self-sealing bag sealing equipment. This machine is usually used in packaging production lines in the food, medicine, cosmetics and other industries to seal packaging bags to ensure the preservation and sealing of the products. The working principle of the packaging bag self-sealing machine is to put the plastic bag or composite bag into the machine, and heat and seal the bag opening through the heat sealing strip or pressing device on the equipment. The bag opening is sealed and fixed. This equipment can usually automatically complete the sealing operation, thereby improving production efficiency and packaging quality.

[0003] The two sealing plates of the existing sealing machine are directly exposed to the outside, and the heat of the sealing plates is easily lost. A certain temperature needs to be maintained during the process of sealing the packaging bags. If the heat loss of the sealing plates is serious, it will affect the sealing effect, reduce the sealing quality of the packaging bags, and increase the consumption of electricity. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a packaging bag sealing machine, which solves the problem that the two sealing plates of the prior art sealing machines are directly exposed to the outside, the heat of the sealing plates is easily lost, and a certain temperature needs to be maintained during the process of sealing the packaging bags. If the heat loss of the sealing plates is serious, it will affect the sealing effect, reduce the sealing quality of the packaging bags, and also increase the consumption of electricity.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a packaging bag sealing machine, comprising a machine base, a lower pressure block is fixedly installed at the center of the upper surface of the machine base, electric telescopic rods are fixedly installed at both ends of the machine base, the top of the electric telescopic rod is fixedly connected with a top seat, a fixed plate is fixedly installed inside the top seat, an upper pressure block is fixedly connected to the surface of the fixed plate, an electric heating plate is fixedly installed inside the fixed plate, an outer box is fixedly connected to the surface of the fixed plate, a slide groove is opened inside the outer box, a slide plate is sealed and slidably connected inside the slide groove, a spring is fixedly installed equidistantly inside the slide groove, an air release pipe is opened inside the outer box, a connecting pipe is fixedly connected to the bottom of the slide plate, a protective box is fixedly connected to the bottom of the connecting pipe, a limiting groove is opened inside the protective box, a limiting plate is sealed and slidably connected inside the limiting groove, a rubber plate is fixedly connected to the surface of the limiting plate, a through groove is opened at the center of the inner part of the protective box, a protective groove is opened at the center of the inner part of the outer box, and a connecting pipe is fixedly connected to the inner part of the connecting pipe.

[0006] Preferably, the outer surface of the upper pressing block is inserted into the inside of the protective groove and the through groove, and the inner top end of the sliding groove is connected to the outside of the outer box through an air vent pipe.

[0007] Preferably, the end of the spring abuts against the upper surface of the slide plate, the slide plate is annular, and sealing rings are fixedly mounted on the inner wall and the outer surface of the slide plate.

[0008] Preferably, the top end of the outer surface of the connecting pipe is slidably connected to the inside of the outer box, and the inner bottom end of the sliding groove is connected to the inside of the limiting groove through a connecting pipe.

[0009] Preferably, the number of the rubber plates is two, the opposite surfaces of the two rubber plates are sealed and fitted, and the outer surfaces of the two rubber plates extend into the interior of the through groove.

[0010] Preferably, the protective box and the outer box are both made of polypropylene insulation material.

[0011] Beneficial Effects

[0012] The utility model provides a packaging bag sealing machine. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The packaging bag sealing machine is provided with an outer box and a protective box. When the packaging bag does not need to be sealed, the upper pressing block will retract into the inside of the protective groove to avoid long-term contact with the outside air, reduce the heat loss of the upper pressing block, and save electricity. At the same time, before the plastic bag is heat-sealed, the packaging bag can be clamped and positioned by the contact between the protective box and the packaging bag, thereby enhancing the accuracy. The sliding buffer of the protective box can also avoid the risk of pinching the hand as much as possible.

[0014] 2. The packaging bag sealing machine is provided with a slidable rubber plate. When the packaging bag does not need to be sealed, the upper pressing block can be protected by sealing the inside of the through groove to prevent foreign matter from adhering to the surface and affecting normal use, thereby enhancing the protectiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the connection between the fixing plate and the protection box in the utility model;

[0017] Figure 3 It is a connection diagram of the outer box and the protective box in the utility model.

[0018] In the figure: 1. machine base; 2. lower pressure block; 3. electric telescopic rod; 4. top seat; 5. fixing plate; 6. upper pressure block; 7. outer box; 8. slide groove; 9. slide plate; 10. spring; 11. vent pipe; 12. connecting pipe; 13. protection box; 14. limit groove; 15. limit plate; 16. rubber plate; 17. through groove; 18. protection groove; 19. connecting pipe. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3The utility model provides a technical solution: a packaging bag sealing machine, including a machine base 1, a lower pressing block 2 is fixedly installed at the center of the upper surface of the machine base 1, electric telescopic rods 3 are fixedly installed at both ends of the machine base 1, the top of the electric telescopic rod 3 is fixedly connected with a top seat 4, a fixing plate 5 is fixedly installed inside the top seat 4, an upper pressing block 6 is fixedly connected to the surface of the fixing plate 5, an electric heating plate is fixedly installed inside the fixing plate 5, an outer box 7 is fixedly connected to the surface of the fixing plate 5, a slide groove 8 is opened inside the outer box 7, a slide plate 9 is sealingly and slidably connected inside the slide groove 8, a spring 10 is fixedly installed equidistantly inside the slide groove 8, the end of the spring 10 abuts against the upper surface of the slide plate 9, the slide plate 9 is annular, and sealing rings are fixedly installed on the inner wall and outer surface of the slide plate 9, an air release pipe 11 is opened inside the outer box 7, the inner top of the slide groove 8 is connected to the outside of the outer box 7 through the air release pipe 11, the bottom of the slide plate 9 is fixedly connected with a connecting pipe 12, the outer surface top of the connecting pipe 12 is slidably connected to the inside of the outer box 7, and the bottom of the connecting pipe 12 is fixedly connected A protection box 13 is connected, and the protection box 13 and the outer box 7 are both made of polypropylene insulation material. A limiting groove 14 is provided inside the protection box 13, and the limiting groove 14 is internally sealed and slidably connected to a limiting plate 15. A rubber plate 16 is fixedly connected to the surface of the limiting plate 15. A through groove 17 is provided at the center of the interior of the protection box 13, and a protection groove 18 is provided at the center of the interior of the outer box 7. The outer surface of the upper pressing block 6 is inserted into the protection groove 18 and the through groove 17. The interior of the connecting pipe 12 is fixedly connected to a connecting pipe 19. The slide groove 8 The inner bottom end is connected to the inner part of the limit groove 14 through the connecting pipe 19. By setting the outer box 7 and the protective box 13, when the packaging bag does not need to be sealed, the upper pressing block 6 will retract into the inner part of the protective groove 18 to avoid long-term contact with the outside air, thereby reducing the heat loss of the upper pressing block 6 and saving electric energy. At the same time, before the plastic bag is heat-sealed, the protective box 13 abuts against the packaging bag to clamp and position the packaging bag, thereby enhancing the accuracy. The sliding buffer of the protective box 13 also avoids the danger of pinching the hand as much as possible.

[0021] There are two rubber plates 16, and the opposing surfaces of the two rubber plates 16 are sealed and fitted. The outer surfaces of the two rubber plates 16 extend into the interior of the through groove 17. By providing a slidable rubber plate 16, when there is no need to seal the packaging bag, the upper pressing block 6 can be protected by sealing the interior of the through groove 17 to prevent foreign matter from adhering to the surface and affecting normal use, thereby enhancing protection.

[0022] When in use, place the mouth of the packaging bag on the lower pressing block 2, and drive the top seat 4 to slide downward by starting the electric telescopic rod 3. At this time, the bottom of the protective box 13 first contacts the surface of the lower pressing block 2, and the outer box 7 slides downward on the outer surface of the connecting tube 12. The spring 10 is gradually compressed. At the same time, the inside of the limiting groove 14 is in a negative pressure state, and the limiting plate 15 drives the rubber plate 16 to slide into the limiting groove 14. When the bottom of the outer box 7 is in contact with the top of the protective box 13, the upper pressing block 6 passes through the through groove 17 and contacts the packaging bag, and the packaging bag is sealed by hot pressing of the upper pressing block 6 and the lower pressing block 2. By setting a slidable rubber plate 16, when there is no need to seal the packaging bag, the upper pressing block 6 can be protected by sealing the inside of the through groove 17 to prevent external debris from adhering to the surface and affecting normal use, thereby enhancing the protectiveness.

[0023] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A packaging bag sealing machine, comprising a machine base (1), characterized in that: A lower pressing block (2) is fixedly installed at the center of the upper surface of the machine base (1), and electric telescopic rods (3) are fixedly installed at both ends of the machine base (1). The top of the electric telescopic rod (3) is fixedly connected to a top seat (4), and a fixing plate (5) is fixedly installed inside the top seat (4). An upper pressing block (6) is fixedly connected to the surface of the fixing plate (5), and an electric heating plate is fixedly installed inside the fixing plate (5). An outer box (7) is fixedly connected to the surface of the fixing plate (5), and a sliding groove (8) is provided inside the outer box (7). A sliding plate (9) is sealingly and slidably connected inside the sliding groove (8), and elastic springs are fixedly installed equidistantly inside the sliding groove (8). A spring (10) is provided inside the outer box (7), a vent pipe (11) is provided inside the slide plate (9), a connecting pipe (12) is fixedly connected to the bottom of the sliding plate (9), a protective box (13) is fixedly connected to the bottom of the connecting pipe (12), a limiting groove (14) is provided inside the protective box (13), a limiting plate (15) is sealingly and slidably connected inside the limiting groove (14), a rubber plate (16) is fixedly connected to the surface of the limiting plate (15), a through groove (17) is provided at the center of the inside of the protective box (13), a protective groove (18) is provided at the center of the inside of the outer box (7), and a connecting pipe (19) is fixedly connected to the inside of the connecting pipe (12).

2. A packaging bag sealing machine according to claim 1, characterized in that: The outer surface of the upper pressing block (6) is inserted into the inside of the protective groove (18) and the through groove (17), and the inner top end of the sliding groove (8) is connected to the outside of the outer box (7) through the air release pipe (11).

3. The packaging bag sealing machine according to claim 1, characterized in that: The end of the spring (10) abuts against the upper surface of the slide plate (9); the slide plate (9) is annular, and sealing rings are fixedly mounted on the inner wall and the outer surface of the slide plate (9).

4. The packaging bag sealing machine according to claim 1, characterized in that: The top end of the outer surface of the connecting pipe (12) is slidably connected to the inside of the outer box (7), and the bottom end of the inner part of the sliding groove (8) is connected to the inside of the limiting groove (14) through a connecting pipe (19).

5. The packaging bag sealing machine according to claim 1, characterized in that: There are two rubber plates (16), the opposing surfaces of the two rubber plates (16) are sealed and fitted, and the outer surfaces of the two rubber plates (16) extend into the interior of the through groove (17).

6. The packaging bag sealing machine according to claim 1, characterized in that: The protection box (13) and the outer box (7) are both made of polypropylene thermal insulation materials.