Efficient exhaust structure

By combining a flat opening, an upper opening for suction and lifting, and a downward pressure for exhaust, the problem of residual air inside the packaging bag is solved, achieving efficient exhaust and preventing the bag from bulging or bursting.

CN224146387UActive Publication Date: 2026-04-21SUZHOU HUACHONG PRECISION MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU HUACHONG PRECISION MACHINERY
Filing Date
2025-02-24
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In automated production, residual air inside the packaging bag after heat-sealing can cause the bag to bulge or burst.

Method used

It adopts a combined structure of flat opening of the bag mouth, suction and lifting of the upper bag mouth, and downward pressure for exhaust. Through the synergistic action of the bag mouth opening flat module, the bag mouth suction and lifting module, and the downward pressure exhaust module, efficient exhaust is achieved.

Benefits of technology

It effectively removes air from the packaging bag, avoids damage to the packaging bag after heat sealing, and ensures that the bag is flat and without bulges.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The efficient exhaust structure comprises a conveying line, a downward-pressing exhaust module is correspondingly arranged on the conveying line, a bag opening adsorption lifting module is arranged corresponding to the downward-pressing exhaust module, and the bag opening adsorption lifting module is used in cooperation with a bag opening flattening module. The bag mouth opening flattening module is used as a bag mouth flattening and opening execution piece of a packaging bag, the bag mouth adsorption and lifting module is used as a bag mouth adsorption and lifting execution piece on the upper portion of the bag mouth, and the bag mouth adsorption and lifting execution piece is matched with the downward-pressing exhaust module used as a downward-pressing exhaust execution piece to form the efficient exhaust structure of the packaging bag in a combined mode.
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Description

Technical Field

[0001] This utility model relates to automated production technology and automated production equipment, specifically, a high-efficiency exhaust structure. Background Technology

[0002] In the field of automated production technology, such as heat-sealed bags, after products or materials are loaded into packaging bags, they are heat-sealed. However, if there is air inside the packaging bag after the products or materials are loaded into the packaging bag, the packaging bag will bulge after heat-sealing. Under large-scale storage or heavy pressure, the packaging bag may burst.

[0003] Therefore, it is necessary to provide a highly efficient exhaust structure to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a high-efficiency exhaust structure.

[0005] The technical solution is as follows:

[0006] A high-efficiency exhaust structure includes a conveyor line, a downward exhaust module is correspondingly provided on the conveyor line, a bag mouth suction and lifting module is correspondingly provided on the downward exhaust module, and the bag mouth suction and lifting module is used in conjunction with the bag mouth flattening module.

[0007] The bag opening and flattening module is used as the actuator for flattening and opening the bag opening of the packaging bag, and the bag opening suction and lifting module is used as the actuator for suction and lifting the upper part of the bag opening. Together with the downward pressure and exhaust module used as the actuator, they form a highly efficient exhaust structure for the packaging bag.

[0008] Furthermore, the bag opening adsorption lifting module includes an adsorption setting plate, which is provided with several adsorption heads, and the adsorption setting plate is connected to the adsorption head lifting drive component.

[0009] Furthermore, the adsorption heads are distributed in groups of two.

[0010] Furthermore, the surface of the adsorption setting plate used to set the adsorption head is provided with a serrated pressing part.

[0011] Furthermore, the downward exhaust module includes an exhaust pressure plate, which is connected to an exhaust pressure plate lifting drive component.

[0012] Furthermore, the bag opening and leveling module includes a double-headed cylinder, and both cylinder shafts of the double-headed cylinder are equipped with bag opening support plates.

[0013] Furthermore, both the exhaust pressure plate lifting drive and the adsorption head lifting drive are composed of cylinders.

[0014] Compared with the prior art, this utility model achieves efficient and high-quality packaging bag venting by flattening and opening the bag mouth, adsorbing and lifting the upper bag mouth, and pressing down to vent, thus avoiding the loss of packaging bag due to internal air pressure after heat-sealing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a layout diagram of the downward-pressurizing exhaust module and the bag opening suction lifting module.

[0017] Figure 3 This is a schematic diagram of the bag opening flattening module.

[0018] Figure 4 This is a schematic diagram of the adsorption setting panel. Detailed Implementation

[0019] Example:

[0020] Please see Figure 1-4 This embodiment demonstrates a high-efficiency exhaust structure, including a conveyor line 1, a downward exhaust module 2 correspondingly provided on the conveyor line 1, a bag mouth adsorption and lifting module 3 corresponding to the downward exhaust module 2, and the bag mouth adsorption and lifting module 3 is used in conjunction with the bag mouth flattening module 4.

[0021] The bag opening and flattening module 4 is used as the bag opening flattening and opening actuator of the packaging bag 100. The bag opening suction and lifting module 3 is used as the bag opening suction and lifting actuator at the top of the bag opening. Together with the downward pressure and exhaust module 2, which is used as the downward pressure and exhaust actuator, they form a high-efficiency exhaust structure for the packaging bag.

[0022] The bag opening adsorption lifting module 3 includes an adsorption setting plate 31, on which a plurality of adsorption heads 32 are provided, and the adsorption setting plate 31 is connected to the adsorption head lifting drive component 30.

[0023] Several adsorption heads 32 are distributed in groups of two.

[0024] The surface of the adsorption setting plate used to set the adsorption head 32 is provided with a serrated pressing part 33.

[0025] The downward exhaust module 2 includes an exhaust pressure plate 21, which is connected to the exhaust pressure plate lifting drive component 22.

[0026] The bag opening and leveling module 4 includes a double-headed cylinder 41, and both cylinder shafts of the double-headed cylinder 41 are equipped with bag opening support plates 42.

[0027] Both the exhaust pressure plate lifting drive component 22 and the adsorption head lifting drive component 30 are composed of cylinders.

[0028] Compared with the prior art, this utility model achieves efficient and high-quality packaging bag venting by flattening and opening the bag mouth, adsorbing and lifting the upper bag mouth, and pressing down to vent, thus avoiding the loss of packaging bag due to internal air pressure after heat-sealing.

[0029] For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A high-efficiency exhaust structure, characterized by: It includes a conveyor line, on which a corresponding downward exhaust module is installed, and a bag mouth suction lifting module is installed corresponding to the downward exhaust module. The bag mouth suction lifting module is used in conjunction with the bag mouth flattening module. The bag opening and flattening module is used as the actuator for flattening and opening the bag opening of the packaging bag, and the bag opening suction and lifting module is used as the actuator for suction and lifting the upper part of the bag opening. Together with the downward pressure and exhaust module used as the actuator, they form a highly efficient exhaust structure for the packaging bag.

2. The high-efficiency exhaust structure according to claim 1, characterized in that: The bag opening adsorption lifting module includes an adsorption setting plate, which is equipped with several adsorption heads, and the adsorption setting plate is connected to the adsorption head lifting drive component.

3. The high-efficiency exhaust structure according to claim 2, characterized by: Several adsorption heads are distributed in groups of two.

4. The high-efficiency exhaust structure according to claim 3, characterized by: The surface of the adsorption setting plate used to set the adsorption head is provided with a serrated pressing part.

5. The high-efficiency exhaust structure according to claim 4, characterized by: The downward exhaust module includes an exhaust pressure plate, which is connected to an exhaust pressure plate lifting drive component.

6. The high-efficiency exhaust structure according to claim 5, characterized by: The bag opening and leveling module includes a double-headed cylinder, and both cylinder shafts of the double-headed cylinder are equipped with bag opening support plates.

7. The high-efficiency exhaust structure according to claim 6, characterized by: Both the exhaust pressure plate lifting drive and the adsorption head lifting drive are composed of cylinders.