Vacuum suction device for PET packaging

Abstract

The utility model relates to vacuum adsorption device technical field, and disclose a kind of vacuum adsorption device for PET packaging, including one long strip's packaging placement platform, and packaging placement platform right side is equipped with side fixed plate, and two clamping conveying belts are installed on the inner side panel of side fixed plate, and two clamping conveying belts are distributed in parallel, and the bag mouth of vacuum adsorption sealing packaging bag is clamped between upper and lower clamping conveying belt, and the inner side panel of side fixed plate is also equipped with press-fit seat and the edge sealing press-fit piece of cooperation is made press-fit edge sealing operation, and the step cylinder that still drives edge sealing press-fit piece is pressed down is installed on the inner side panel of side fixed plate, and the vacuum adsorption cover is provided in the just above of packaging placement platform center. The device not only realizes the batch vacuum adsorption sealing of PET packaging bag, but also integrates automatic conveying function, greatly reduces manual intervention, improves the automation and continuous operation ability of production line.

Description

Technical Field

[0001] This utility model relates to the field of vacuum adsorption device technology, specifically a vacuum adsorption device for PET packaging. Background Technology

[0002] With the increasing demands for packaging quality and preservation performance from industries such as food, pharmaceuticals, and electronics, PET (polyethylene terephthalate) packaging has become a widely used packaging material due to its excellent transparency, impact resistance, and sealing performance. Especially in the field of vacuum packaging, PET packaging can effectively isolate air, extend product shelf life, and meet modern consumers' demands for high-quality packaging. However, as the market demands higher packaging efficiency and automation levels, traditional PET packaging vacuum adsorption sealing equipment has gradually revealed many shortcomings.

[0003] Existing PET packaging vacuum adsorption devices mostly rely on manual placement and single-pass sealing, a cumbersome and labor-intensive process that struggles to meet the demands of high-volume, high-efficiency production. Manual operation not only disrupts production rhythm and reduces overall efficiency but also increases the risk of uneven or poor sealing due to human error, impacting packaging quality and product safety. Furthermore, traditional equipment lacks automated conveying and continuous operation capabilities, failing to achieve automatic bag positioning and stable transport, resulting in prolonged production line downtime and hindering efficiency improvements. Therefore, the market urgently needs a PET packaging equipment capable of continuous batch vacuum adsorption sealing with automated conveying to improve production automation, ensure sealing quality, and meet the demands of modern production. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a vacuum adsorption device for PET packaging, thereby solving the aforementioned problems.

[0005] Technical solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vacuum adsorption device for PET packaging, comprising a long strip-shaped packaging placement platform, a side fixing plate installed on the right side of the packaging placement platform, two clamping conveyor belts installed on the inner side of the side fixing plate, the two clamping conveyor belts being distributed parallel to each other vertically, the opening of the packaging bag to be vacuum adsorbed and sealed being clamped between the upper and lower clamping conveyor belts, a pressing seat and an edge sealing pressing component cooperating with it to perform the edge sealing operation are also installed on the inner side of the side fixing plate, a stepping cylinder that drives the edge sealing pressing component to press down is also installed on the inner side of the side fixing plate, and a vacuum adsorption hood is set directly above the center of the packaging placement platform.

[0007] As a preferred technical solution of this utility model, the pressing seat is located in front of the two clamping conveyor belts, and the top surface of the pressing seat is flush with the plane between the clamping surfaces of the upper and lower clamping conveyor belts.

[0008] As a preferred technical solution of this utility model, the edge sealing pressing component includes a mounting frame, an edge sealing pressing strip, an elastic connecting pad, and a spring. The mounting frame is directly connected to the end of the piston rod of the stepper cylinder. The edge sealing pressing strip is distributed directly below the mounting frame. The elastic connecting pad is connected between the mounting frame and the edge sealing pressing strip. There are two springs, which are respectively installed at the left and right ends between the mounting frame and the edge sealing pressing strip.

[0009] As a preferred technical solution of this utility model, the top of both the left and right ends of the sealing strip is equipped with a through post, and the top of the through posts on both sides slide through the inside of the mounting frame.

[0010] As a preferred technical solution of this utility model, a vacuum pump is installed on the front of the vacuum adsorption hood.

[0011] As a preferred technical solution of this utility model, a top platform is installed on the top of the side fixing plate, and an electric telescopic rod is installed at the center of the top platform. The end of the electric telescopic rod is fixedly connected to the center of the top of the vacuum adsorption hood.

[0012] As a preferred technical solution of this utility model, guide columns are installed on both the left and right ends of the top of the vacuum adsorption hood, and the top ends of the guide columns on both sides slide through the interior of the top platform.

[0013] Compared with the prior art, this utility model provides a vacuum adsorption device for PET packaging, which has the following beneficial effects: This vacuum adsorption device, through the rational arrangement of parallel vertical conveyor belts, achieves simultaneous clamping and continuous conveying of multiple PET packaging bags, ensuring that the bags are transported smoothly and orderly to the area directly below the vacuum adsorption hood and the top surface of the pressing seat, achieving a seamless connection between conveying and sealing. The electric telescopic rod, in conjunction with the guide column, ensures smooth and precise lifting of the vacuum adsorption hood, effectively preventing poor sealing caused by shaking. The powerful vacuum adsorption force generated by the vacuum pump can simultaneously adsorb multiple packaging bags, significantly improving sealing efficiency and batch processing capacity. The sealing pressing component, through the buffer design of elastic connecting pads and springs, and the stable guidance of the through-post, ensures that the sealing pressing process has both sufficient pressure and good flexibility, avoiding damage to the bag opening and improving sealing quality and tightness.

[0014] Overall, this device not only enables batch vacuum sealing of PET packaging bags but also integrates automatic conveying functions, greatly reducing manual intervention and improving the automation and continuous operation capabilities of the production line. Through reasonable mechanical structure design and coordinated operation of multiple components, the device improves work efficiency and stability while ensuring sealing quality. It is suitable for PET packaging sealing needs in large-scale production environments and has significant practical value and promising prospects for widespread application. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model under vacuum adsorption conditions; Figure 3 This is a schematic diagram showing the distribution of the side fixing plate, stepping cylinder, edge sealing pressing component, and pressing seat of this utility model; Figure 4 This is a schematic diagram showing the distribution of the vacuum pump of this utility model; Figure 5 This is a schematic diagram of the edge sealing and pressing component of this utility model.

[0016] The components include: 1. Packaging placement platform; 2. Conveyor belt; 3. Vacuum suction hood; 4. Side fixing plate; 5. Stepping cylinder; 6. Edge sealing and pressing parts; 7. Pressing seat; 8. Electric telescopic rod; 9. Top platform; 31. Vacuum pump; 32. Guide column; 61. Mounting bracket; 62. Edge sealing strip; 63. Elastic connecting pad; 64. Spring; 65. Through-joint post. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all of them. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. All other embodiments obtained by those skilled in the art based on the embodiments of the utility model without creative effort are within the scope of protection of the utility model.

[0018] It should be noted that if the utility model embodiment involves directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0019] Furthermore, "multiple" refers to two or more. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by the utility model.

[0020] Please see Figure 1-5 A vacuum adsorption device for PET packaging includes a long, narrow packaging platform 1. A side fixing plate 4 is fixedly installed on the right side of the packaging platform 1. Two clamping conveyor belts 2 are provided on the inner side surface of the side fixing plate 4. The two clamping conveyor belts 2 are arranged parallel to each other vertically. When the bag opening is to be vacuum adsorbed and sealed, it is clamped between the two clamping conveyor belts 2. The two clamping conveyor belts 2 start synchronously to transport the bag with the clamped opening and its contents backward until it is transported to the bottom of the vacuum adsorption hood 3.

[0021] A pressing seat 7 is provided in front of the inner side panel of the side fixing plate 4. Its top surface is on the same plane as the clamping surface of the upper and lower clamping conveyor belts 2. This design allows the bag opening to be smoothly conveyed to the top surface of the pressing seat 7. The pressing seat 7 is used to cooperate with the edge sealing pressing component 6 to perform edge sealing pressing operation.

[0022] The edge sealing pressing component 6 includes a mounting frame 61, an edge sealing pressing strip 62, an elastic connecting pad 63, and a spring 64. The mounting frame 61 is directly connected to the piston rod end of the stepping cylinder 5, which is mounted on the inner side of the side fixing plate 4 and can push the edge sealing pressing component 6 to perform a downward pressing action. The edge sealing pressing strip 62 is arranged directly below the mounting frame 61. The elastic connecting pad 63 connects the mounting frame 61 and the edge sealing pressing strip 62. The spring 64 is installed at the left and right ends of the mounting frame 61 and the edge sealing pressing strip 62 respectively, providing elastic buffering. The top of the left and right ends of the edge sealing pressing strip 62 is provided with a through post 65. The top of the through post 65 slides through the inside of the mounting frame 61 to ensure that the edge sealing pressing strip maintains stable guidance during the pressing process.

[0023] A vacuum suction hood 3 is installed directly above the center of the packaging placement platform 1. A vacuum pump 31 is fixedly installed on the front of the vacuum suction hood 3 to generate a vacuum suction force. After the vacuum suction hood 3 is pressed down to the top surface of the packaging placement platform 1, it achieves the sealing and suction of multiple PET packaging bags. A top platform 9 is provided on the top of the side fixing plate 4. An electric telescopic rod 8 is installed at the center of the top platform 9. The end of the electric telescopic rod 8 is fixedly connected to the center of the top of the vacuum suction hood 3, which can realize the lifting and lowering adjustment of the vacuum suction hood. Guide columns 32 are installed on the left and right ends of the top of the vacuum suction hood 3. The top ends of the guide columns 32 slide through the inside of the top platform 9 to ensure stable guidance of the vacuum suction hood 3 during the lifting and lowering process and prevent shaking.

[0024] The workflow is as follows: First, several PET bags to be sealed are placed on a long packaging platform 1, with the bag openings aligned and inserted between two parallel vertical conveyor belts 2. The conveyor belts 2 start simultaneously, smoothly conveying the bags with their openings clamped and their contents backward until they reach directly below the vacuum suction hood 3. Simultaneously, the bag openings are conveyed to the top surface of the pressing seat 7, which remains flush with the clamping surface of the conveyor belts 2, ensuring a smooth transition of the bag openings. Next, the electric telescopic rod 8 drives the vacuum suction hood 3 to descend, with the guide column 32 ensuring its stable downward pressure onto the top surface of the packaging platform 1. The vacuum pump 31 starts, generating vacuum suction force to vacuum-adsorb multiple PET bags. Subsequently, the stepping cylinder 5 pushes the sealing pressing component 6 downward. The sealing pressing strip 62, cushioned by the elastic connecting pad 63 and the spring 64, and stably guided by the through-post 65, works in conjunction with the pressing seat 7 to seal the bag openings, completing the vacuum seal. Finally, the electric telescopic rod 8 drives the vacuum adsorption hood 3 to rise, and the clamping conveyor belt 2 continues to run, transporting the sealed packaging bags to the next process. The whole process achieves batch vacuum adsorption sealing efficiently and stably.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A vacuum adsorption device for PET packaging, comprising a long strip-shaped packaging placement platform (1), characterized in that: A side fixing plate (4) is installed on the right side of the packaging placement platform (1). Two clamping conveyor belts (2) are installed on the inner side of the side fixing plate (4). The two clamping conveyor belts (2) are distributed parallel to each other. The bag mouth of the packaging bag to be vacuum-sealed is clamped between the upper and lower clamping conveyor belts (2). A pressing seat (7) and a sealing pressing part (6) are also installed on the inner side of the side fixing plate (4). A stepping cylinder (5) is also installed on the inner side of the side fixing plate (4) to drive the sealing pressing part (6) to press down. A vacuum adsorption cover (3) is set directly above the center of the packaging placement platform (1).

2. The vacuum adsorption device for PET packaging according to claim 1, characterized in that: The pressing seat (7) is located in front of the two clamping conveyor belts (2), and the top surface of the pressing seat (7) is flush with the plane between the clamping surfaces of the upper and lower clamping conveyor belts (2).

3. The vacuum adsorption device for PET packaging according to claim 1, characterized in that: The edge sealing and pressing component (6) includes a mounting bracket (61), an edge sealing and pressing strip (62), an elastic connecting pad (63), and a spring (64). The mounting bracket (61) is directly connected to the end of the piston rod of the stepping cylinder (5). The edge sealing and pressing strip (62) is distributed directly below the mounting bracket (61). The elastic connecting pad (63) is connected between the mounting bracket (61) and the edge sealing and pressing strip (62). The spring (64) has two ends, which are respectively installed between the mounting bracket (61) and the edge sealing and pressing strip (62).

4. A vacuum adsorption device for PET packaging according to claim 3, characterized in that: The top of the left and right ends of the sealing strip (62) are each equipped with a through post (65), and the top ends of the through posts (65) on both sides are slidably connected to the inside of the mounting frame (61).

5. A vacuum adsorption device for PET packaging according to claim 1, characterized in that: A vacuum pump (31) is installed on the front of the vacuum adsorption hood (3).

6. A vacuum adsorption device for PET packaging according to claim 1, characterized in that: The top of the side fixing plate (4) is equipped with a top platform (9), and an electric telescopic rod (8) is installed at the center of the top platform (9). The end of the electric telescopic rod (8) is fixedly connected to the center of the top of the vacuum adsorption cover (3).

7. A vacuum adsorption device for PET packaging according to claim 6, characterized in that: The top left and right ends of the vacuum adsorption hood (3) are equipped with guide posts (32), and the top ends of the guide posts (32) on both sides slide through the interior of the top platform (9).

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