Sealing cutter mechanism of packaging machine

By setting up an adsorption tank and slide rail system on the packaging machine, combined with a cylinder to push the slide table and cutter fixing block, the problems of packaging bag offset and cutter matching accuracy are solved, achieving the effects of stable sealing and efficient cutting.

CN224257117UActive Publication Date: 2026-05-19苏州聚盛信自动化设备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
苏州聚盛信自动化设备有限公司
Filing Date
2025-05-21
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing packaging machines often have packaging bags that are prone to shifting at the sealing section, resulting in tilted sealing or failure to seal, and the cutting blade requires high precision.

Method used

The system uses upper and lower adsorption tanks and slide rails to adsorb packaging bags. A cylinder pushes the slide table to move, ensuring the packaging bag is stable before heating and sealing. A separate cutter fixing block drives the cutter to make cuts.

Benefits of technology

It effectively prevents the packaging bag from shifting during heat sealing, ensuring the seal is upright and eliminating the need for complex cutting tools, thus improving the stability and efficiency of the sealing process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224257117U_ABST
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Abstract

The utility model discloses a sealing cutter mechanism of a packaging machine, which is applied to the technical field and comprises a fixed seat, two ends of one side of the fixed seat are respectively and fixedly provided with a sliding rail, one end of each sliding rail far away from the fixed seat is fixedly provided with a limiting table, and two ends of each sliding rail are respectively and movably provided with a sliding table and a fixed end. A first heating sealing plate and a second heating sealing plate are arranged on one side of the sliding table and one side of the fixed end correspondingly, a first adsorption groove is formed in the other side of the sliding table and the other side of the fixed end, and after a packaging bag enters, the first adsorption groove and the second adsorption groove can move downwards along the sliding rail at the moment to be matched with the second adsorption groove to adsorb the packaging bag; and the sealing inclination of the packaging bag caused by the closing position offset when the packaging bag is heated and closed due to offset is prevented.
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Description

Technical Field

[0001] This utility model belongs to the field of packaging machine technology, and specifically relates to a sealing and cutting mechanism for a packaging machine. Background Technology

[0002] Packaging machines are a type of machine used to package products, serving to protect and enhance their appearance. They are used to print production dates, seal, and shrink-wrap products after production. Main types include: packaging machines, filling machines, sealing machines, coding machines, strapping machines, vacuum machines, shrink wrapping machines, vacuum packaging machines, and weighing packaging machines.

[0003] The existing sealing section of the packaging bag is not fixed when it enters, and the position of the packaging bag is easy to shift. This causes the closing position of the packaging bag to shift when it is heated and closed, resulting in the packaging bag being tilted or even unable to be sealed. In addition, two cutters are required to work together during the cutting process, and the cutting precision required for the cutters is high. Utility Model Content

[0004] The purpose of this utility model is to provide a sealing and cutting mechanism for a packaging machine. Its advantages are that it adds upper and lower suction grooves, so that the packaging bag can be suctioned after entering the sealing part, making the packaging bag more stable when sealing. And when cutting, there is no need for two cutting blades to work together.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a sealing and cutting mechanism for a packaging machine, including a fixed base, a slide rail fixedly installed at both ends of one side of the fixed base, a limiting platform fixedly installed at the end of the slide rail away from the fixed base, a slide table movably installed at both ends of the slide rail and a fixed end fixedly installed thereon, a first heating sealing plate and a second heating sealing plate respectively provided on one side of the slide table and the fixed end, and a first adsorption groove provided on the other side of the slide table and the fixed end.

[0006] The above technical solution is adopted: after the packaging bag enters, the first adsorption tank and the second adsorption tank will move downward along the slide rail to cooperate with the second adsorption tank to adsorb the packaging bag, preventing deviation and causing the closing position of the packaging bag to shift when it is heated and closed, resulting in the packaging bag being tilted.

[0007] The present invention is further configured such that a first cylinder movable block is movably mounted on one end surface of each slide rail, and a slide table is fixedly mounted on the side of each first cylinder movable block away from the slide rail, and the slide table is pushed by a cylinder.

[0008] The above technical solution involves a slide table fixedly installed on the side of the first cylinder moving block away from the slide rail, which can move up and down under the push of the cylinder.

[0009] The present invention is further configured such that a slide cylinder is movably mounted on the slide, and a cutter fixing block is fixedly mounted on one side of the slide cylinder.

[0010] The above technical solution employs a slide cylinder that is movably mounted on the slide, allowing it to move during use.

[0011] The present invention is further configured such that the cutter fixing block is fixedly mounted with a cutter by bolts, and the side of the slide is fixedly mounted with a first adsorption groove by bolts.

[0012] The above technical solution involves fixing a cutter to a cutter block with bolts. This cutter can move under the drive of a slide cylinder to cut the packaging bag.

[0013] The present invention is further configured such that a first heating sealing plate is provided at the end of the slide table away from the first adsorption groove, and a negative suction connection end is provided at one end of the first heating sealing plate.

[0014] The above technical solution is adopted: a suction connection end is provided at one end of the first heating sealing plate, which can absorb one side of the packaging bag during use.

[0015] The present invention is further configured such that a protruding limiting block is fixedly installed on one side of each end of the fixed end, and a sliding rod is movably installed inside each of the protruding limiting blocks.

[0016] The above technical solution employs a sliding rod that is movably installed inside each of the protruding limiting blocks. This rod can retract inward when the slide is pressed down, thus providing a buffer.

[0017] The present invention is further configured such that a rectangular protruding block is fixedly installed at the end of each slide rod away from the protruding limiting block, and a buffer spring is sleeved on the outer surface of each slide rod.

[0018] The above technical solution is adopted: a buffer spring is sleeved on the outer surface of each slide rod, which can provide buffering during use, and the spring rebound force can be used for reset.

[0019] In summary, this utility model has the following beneficial effects:

[0020] 1. After the packaging bag enters, the first cylinder moving block will push the slide table downward. At this time, the first suction groove set on one side of the slide table will suction one side of the packaging bag after moving to a certain position, while the second suction groove can suction the other side of the packaging bag. At this time, the first heating sealing plate and the second heating sealing plate heat the packaging bag to close the packaging bag, which can effectively prevent the packaging bag from shifting position and prevent the packaging bag from tilting when it is heated and closed.

[0021] 2. After the packaging bag is closed, the slide cylinder will drive the cutter fixing block to move linearly. Since the cutter is fixed to one side of the cutter fixing block by bolts, it will also move linearly to cut the sealed packaging bag. There is no need for two cutters to work together precisely. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the front of this utility model;

[0023] Figure 2 This is a view of the back of this utility model;

[0024] Figure 3 This is a side view of the present invention;

[0025] Figure 4 This is the utility model Figure 3 A cross-sectional view at point A-A;

[0026] Figure 5 This is the utility model Figure 1 The enlarged view at point a in the middle.

[0027] Reference numerals in the attached drawings: 1. First cylinder movable block; 2. Slide table; 3. Slide table cylinder; 4. Slide rail; 5. Fixed end; 6. Fixed seat; 7. Limiting platform; 8. First adsorption groove; 9. Adsorption connection end; 10. Second adsorption groove; 11. Rectangular protrusion block; 12. Buffer spring; 13. Slide rod; 14. Protruding limiting block; 15. Cutter fixing block; 16. First heating sealing plate; 17. Second heating sealing plate; 18. Cutter. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings.

[0029] Example 1:

[0030] refer to Figures 1 to 3 A sealing and cutting mechanism for a packaging machine includes a fixed base 6. A slide rail 4 is fixedly installed at both ends of one side of the fixed base 6. A limiting platform 7 is fixedly installed at the end of the slide rail 4 away from the fixed base 6. A slide table 2 is movably installed at each end of the slide rail 4, and a fixed end 5 is fixedly installed at each end. A first heating sealing plate 16 and a second heating sealing plate 17 are respectively provided on one side of the slide table 2 and the fixed end 5. A first adsorption groove 8 is provided on the other side of the slide table 2 and the fixed end 5. After the packaging bag enters, the first adsorption groove 8 and the second adsorption groove 17 move downwards along the slide rail 4, cooperating with the second adsorption groove 17 to adsorb the packaging bag, preventing displacement and ensuring the packaging bag is sealed at an angle when heated and closed.

[0031] refer to Figure 1 The slide table 2 is provided with a first heating sealing plate 16 at one end away from the first adsorption tank 8. The first heating sealing plate 16 is provided with a negative suction connection end 9 at one end. The negative suction connection end 9 at one end of the first heating sealing plate 16 can adsorb one side of the packaging bag during use.

[0032] refer to Figure 1 Each of the two ends of the fixed end 5 is fixedly installed with a protruding limiting block 14 on one side. Each protruding limiting block 14 has a sliding rod 13 movably installed inside. The sliding rod 13 movably installed inside the protruding limiting block 14 can retract inward when the slide table 2 is pressed down, thus providing a buffer.

[0033] refer to Figure 1 Each slide rod 13 has a rectangular protrusion 11 fixedly installed at the end away from the protruding limiting block 14. A buffer spring 12 is sleeved on the outer surface of each slide rod 13. The buffer spring 12 sleeved on the outer surface of each slide rod 13 can provide buffering during use. At the same time, the rebound force of the buffer spring 12 can be used for reset.

[0034] Brief description of the usage process: After the packaging bag enters, the first cylinder movable block 1 will push the slide table 2 to move downward. At this time, the first adsorption groove 8 set on one side of the slide table 2 will adsorb one side of the packaging bag after moving to a certain position, while the second adsorption groove 10 can adsorb the other side of the packaging bag. At this time, the first heating sealing plate 16 and the second heating sealing plate 17 heat the packaging bag to close it, which can effectively prevent the packaging bag from shifting its position and avoid the packaging bag from shifting its closing position when heated and closing, so as to prevent the packaging bag from being tilted.

[0035] Example 2:

[0036] refer to Figure 1 , Figure 4 A sealing and cutting mechanism for a packaging machine includes a first cylinder movable block 1 movably mounted on one end surface of each slide rail 4, and a slide table 2 fixedly mounted on the side of each first cylinder movable block 1 away from the slide rail 4. The slide table 2 is pushed by a cylinder and can move up and down under the push of the cylinder because the slide table 2 is fixedly mounted on the side of the first cylinder movable block 1 away from the slide rail 4.

[0037] refer to Figure 1 , Figure 4 A slide cylinder 3 is movably mounted on the slide table 2. A cutter fixing block 15 is fixedly mounted on one side of the slide cylinder 3. The slide cylinder 3 can be moved during use because it is movably mounted on the slide table 2.

[0038] refer to Figure 1, Figure 4 The cutter fixing block 15 is fixedly mounted with a cutter 18 by bolts. The side of the slide table 2 is fixedly mounted with a first adsorption groove 8 by bolts. The cutter fixing block 15 is fixedly mounted with a cutter 18 by bolts. It can move under the drive of the slide table cylinder 3, thereby cutting the packaging bag.

[0039] Brief description of the usage process: After the packaging bag is closed, the slide cylinder 3 will drive the cutter fixing block 15 to move linearly. The cutter 18, which is fixed to one side of the cutter fixing block 15 by bolts, will also move linearly to cut the sealed packaging bag. There is no need for the two cutters 18 to work together precisely.

[0040] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A sealing and cutting mechanism for a packaging machine, comprising a fixed base (6), characterized in that: A slide rail (4) is fixedly installed at both ends of one side of the fixed base (6). A limiting platform (7) is fixedly installed at the end of the slide rail (4) away from the fixed base (6). A slide table (2) is movably installed at both ends of the slide rail (4) and a fixed end (5) is fixedly installed thereon. A first heating sealing plate (16) and a second heating sealing plate (17) are respectively provided on one side of the slide table (2) and the fixed end (5). A first adsorption groove (8) and a second adsorption groove (10) are provided on the other side of the slide table (2) and the fixed end (5).

2. The sealing and cutting mechanism of a packaging machine according to claim 1, characterized in that: Each slide rail (4) has a first cylinder movable block (1) movably mounted on one end surface. Each first cylinder movable block (1) has a slide table (2) fixedly mounted on the side away from the slide rail (4). The slide table (2) is pushed by a cylinder.

3. The sealing and cutting mechanism of a packaging machine according to claim 2, characterized in that: A slide cylinder (3) is movably mounted on the slide (2), and a cutter fixing block (15) is fixedly mounted on one side of the slide cylinder (3).

4. The sealing and cutting mechanism of a packaging machine according to claim 3, characterized in that: The cutter fixing block (15) is fixedly mounted with a cutter (18) by bolts, and the side of the slide (2) is fixedly mounted with a first adsorption groove (8) by bolts.

5. The sealing and cutting mechanism of a packaging machine according to claim 1, characterized in that: The slide (2) is provided with a first heating sealing plate (16) at one end away from the first adsorption tank (8), and a negative suction connection end (9) is provided at one end of the first heating sealing plate (16).

6. The sealing and cutting mechanism of a packaging machine according to claim 1, characterized in that: A protruding limiting block (14) is fixedly installed on one side of each end of the fixed end (5), and a sliding rod (13) is movably installed inside each protruding limiting block (14).

7. The sealing and cutting mechanism of a packaging machine according to claim 6, characterized in that: Each slide bar (13) has a rectangular protrusion (11) fixedly installed at the end away from the protruding limiting block (14), and a buffer spring (12) is sleeved on the outer surface of each slide bar (13).