Heat sealing device applied to automatic sealing equipment and precise automatic sealing equipment
By using an opening and closing and lifting mechanism to drive the heat sealing assembly, the problem of existing devices being unable to adapt to different sizes of packaging bags is solved, achieving high efficiency and stable operation of the heat sealing device and reducing equipment costs.
Patent Information
- Application Number
- CN202423262981.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing heat sealing equipment is difficult to adapt to packaging bags of different sizes, which leads to the need to invest in different equipment or fixtures, increasing costs and causing unstable operation.
The opening and closing operation of the heat sealing assembly is driven by an opening and closing mechanism, and the heat sealing assembly can adapt to different height boxes through a lifting mechanism. Combined with the lateral movement of the heating element and pressure roller, smooth heat sealing is achieved.
This technology enables the heat sealing device to adapt to packaging bags of different sizes, improving work efficiency and operational stability while reducing equipment costs.
Smart Images

Figure CN223619077U_ABST
Abstract
Description
Technical Field
[0001] This application generally relates to the technical field of packaging automation equipment, and more specifically, to a heat sealing device and a precision automatic sealing device used in automatic sealing equipment. Background Technology
[0002] With the booming development of global trade and the continuous upgrading of manufacturing, packaging automation equipment is being used more and more widely in various industrial fields. It has demonstrated significant advantages in improving packaging efficiency, reducing labor costs, and ensuring the stability of packaging quality, becoming an indispensable key component in modern logistics and production processes.
[0003] The packaging requirements in the production process of display screen products often include various sizes of boxes and bags. However, most existing technologies are only designed for specific sizes or can only accommodate a very small range of sizes, resulting in the need to invest in different equipment or fixtures for different sizes, leading to high costs. Therefore, in order to accommodate the sealing of packaging bags of different sizes in new equipment, the heat sealing device often needs to adopt a larger size device. Ensuring the stable operation of the heat sealing device and achieving smooth cooperation with other devices is the key point in the design of this device. Utility Model Content
[0004] A primary objective of this application is to provide a heat sealing device and a precision automatic sealing device for use in automatic sealing equipment, thereby overcoming, at least to some extent, one or more problems caused by limitations and defects in related technologies.
[0005] To achieve the above-mentioned objectives, this application adopts the following technical solution:
[0006] According to one aspect of this application, a heat sealing device for use in an automatic sealing equipment is provided, comprising: a heat sealing assembly, including at least a heating element and a pressure roller that open and close in a lateral direction; an opening and closing mechanism, including opening and closing drive assemblies respectively disposed on both sides, wherein the opening and closing drive assemblies on both sides cooperate with the heating element and the pressure roller respectively to drive the heating element and the pressure roller to close towards each other or open away from each other; and a lifting mechanism, wherein the opening and closing mechanism is mounted on the lifting mechanism.
[0007] According to one embodiment of this application, the lifting mechanism includes a lifting motor and belt assemblies respectively disposed on both sides of the conveyor line. The belt assemblies on both sides are connected by a connecting rod, and the lifting motor is connected to the belt assembly on one side.
[0008] According to one embodiment of this application, the opening and closing mechanism further includes an opening and closing bracket, which includes a first mounting plate and a second mounting plate. The heating element and the pressure roller are respectively mounted on the first mounting plate arranged on both sides. The second mounting plates are respectively arranged on both sides to cooperate with the lifting mechanism. The opening and closing drive components on both sides are respectively mounted on the second mounting plates, and the output ends of the opening and closing drive components on both sides are respectively connected to the first mounting plates on both sides.
[0009] According to one embodiment of this application, the opening and closing drive assembly includes a plurality of opening and closing motors, and the second mounting plate on each side is respectively mounted with an opening and closing motor at both ends along the conveying direction.
[0010] According to one embodiment of this application, the opening and closing mechanism further includes an opening and closing guide rod, the two ends of which are respectively fixed to the second mounting plates on both sides, and the first mounting plates on both sides are respectively inserted through the opening and closing guide rod.
[0011] According to another aspect of this application, a precision automatic sealing device is provided, including the heat sealing device, conveyor line and stopping device described above. The conveyor line is equipped with at least a first station, the stopping device is capable of stopping the box at the first station, and the heat sealing device is correspondingly arranged at the first station to heat seal the opening of the packaging bag.
[0012] In this application, an opening and closing mechanism is used to drive the opening and closing operation of the heat sealing assembly, thereby achieving smoother operation of the heat sealing assembly. Furthermore, a lifting mechanism is used to drive the lifting operation of the opening and closing mechanism, facilitating the switching of the heat sealing assembly between working and non-working positions and adapting to enclosures of different heights.
[0013] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description
[0014] The above and other features and advantages of this application will become more apparent from a detailed description of exemplary embodiments thereof with reference to the accompanying drawings.
[0015] Figure 1 This is a structural schematic diagram of an automatic sealing device according to an exemplary embodiment;
[0016] Figure 2 yes Figure 1 A schematic diagram of the structure of an automatic sealing device after the outer casing has been concealed.
[0017] Figure 3 This is a schematic diagram of a sealing device according to an exemplary embodiment;
[0018] Figure 4 yes Figure 3A schematic diagram of the structure of the heat-sealing component and the opening / closing component.
[0019] The reference numerals in the attached figures are explained as follows:
[0020] 100, Automatic sealing equipment; 101, Outer casing; 102, Equipment support frame; 10, Conveyor line; 20, Stopping device; 30, Bag lifting device; 40, Air extraction device; 50, Sealing device; 60, Bag pressing device; 51, Heat sealing assembly; 52, Opening and closing mechanism; 53, Lifting mechanism; 511, Heating element; 512, Pressure roller; 521, Opening and closing drive assembly; 522, Opening and closing bracket; 5221, First mounting plate; 5222, Second mounting plate; 5223, Opening and closing guide rod; 531, Lifting motor; 532, Belt assembly. Detailed Implementation
[0021] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, they are provided so that this application will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and therefore their detailed description will be omitted.
[0022] Referring to Figures 1 to 4, in one embodiment, the automatic sealing device 100 includes a conveyor line 10, a stopping device 20, a bag-lifting device 30, an air extraction device 40, a sealing device 50, and a bag-pressing device 60. The conveyor line 10 is equipped with a first station and a second station. The first station can be equipped with the stopping device 20, the air extraction device 40, and the sealing device 50, while the second station can be equipped with the bag-pressing device 60. The stopping device 20 is embedded in the conveyor line 10, the bag-lifting devices 30 are located on both sides of the conveyor line 10, and the air extraction device 40 and the sealing device 50 are located above the conveyor line 10. The bag-pressing device 60 is located above the conveyor line 10. When the box is stopped at the first station by the stopping device 20, the packaging bag can be lifted, vacuumed, and heat-sealed sequentially before flowing into the second station and being pressed by the bag-pressing device 60. The operation is smooth and the rhythm is reasonable, which improves work efficiency. It is understandable that the automatic sealing equipment 100 may also include an equipment support 102 to support the various devices, and the conveyor line 10 and the various devices can be housed in a housing 101.
[0023] See Figure 3 and Figure 4In one embodiment, the sealing device 50 includes a heat-sealing assembly 51, an opening and closing mechanism 52, and a lifting mechanism 53. The heat-sealing assembly 51 is mounted on the opening and closing mechanism 52, which can drive the heat-sealing assembly 51 to open and close, thereby achieving the heat-sealing operation. The lifting mechanism 53 is connected to the opening and closing mechanism 52 and drives the opening and closing mechanism 52 to reciprocate in the vertical direction as a whole.
[0024] In a specific embodiment, the heat-sealing assembly 51 includes at least a heating element 511 and a pressure roller 512 that open and close in the lateral direction. The opening and closing mechanism 52 includes opening and closing drive assemblies 521 respectively disposed on both sides. The opening and closing drive assemblies 521 on both sides cooperate with the heating element 511 and the pressure roller 512 respectively to drive the heating element 511 and the pressure roller 512 to close towards each other or open away from each other.
[0025] Preferably, the opening and closing mechanism 52 further includes an opening and closing bracket 522, which includes a first mounting plate 5221 and a second mounting plate 5222. The heating element 511 and the pressure roller 512 are respectively mounted on the first mounting plate 5221 on both sides, and the second mounting plates 5222 on both sides cooperate with the lifting mechanism 53. The opening and closing drive components 521 on both sides are respectively mounted on the second mounting plates 5222, and the output ends of the opening and closing drive components 521 on both sides are respectively connected to the first mounting plates 5221 on both sides, so that the opening and closing drive components 521 can drive the first mounting plates 5221 to reciprocate in the lateral direction. The opening and closing drive components 521 may include multiple opening and closing motors, for example, four opening and closing motors, with one opening and closing motor set at each end of each second mounting plate 5222, which can smoothly drive the movement of the first mounting plate 5221. The opening and closing mechanism 52 also includes an opening and closing guide rod 5223. The two ends of the opening and closing guide rod 5223 are respectively fixed on the second mounting plates 5222 on both sides, and the first mounting plates 5221 on both sides are respectively inserted through the opening and closing guide rod 5223.
[0026] In a specific embodiment, the lifting mechanism 53 includes a lifting motor 531 and belt assemblies 532 respectively disposed on both sides of the conveyor line 10. The two belt assemblies 532 are connected by a connecting rod, and the lifting motor 531 is connected to one side of the belt assembly 532. This lifting mechanism 53 can be similar to the synchronous lifting mechanism 33 in the bag-carrying device 30, and the two are arranged side by side along the conveying direction, which can reasonably arrange the various mechanisms at the first workstation.
[0027] In the embodiments of this application, the terms "fitting," "connection," and other such terms should be interpreted broadly. For example, "connection" can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.
[0028] The above are merely preferred embodiments of the application examples and are not intended to limit the application examples. For those skilled in the art, the application examples can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the application examples should be included within the protection scope of the application examples.
Claims
1. A heat sealing device for use in automatic sealing equipment, characterized in that, include: A heat-sealing assembly, comprising at least a heating element and a pressure roller that open and close in the lateral direction; The opening and closing mechanism includes opening and closing drive components and opening and closing brackets respectively disposed on both sides. The opening and closing drive components on both sides cooperate with the heating element and the pressure roller respectively to drive the heating element and the pressure roller to merge towards each other or open away from each other. The opening and closing bracket includes a first mounting plate and a second mounting plate. The heating element and the pressure roller are respectively mounted on the first mounting plate disposed on both sides. The second mounting plates on both sides are respectively disposed to cooperate with the lifting mechanism. The opening and closing drive components on both sides are respectively mounted on the second mounting plates. The output ends of the opening and closing drive components on both sides are respectively connected to the first mounting plates on both sides. A lifting mechanism, wherein the opening and closing mechanism is mounted on the lifting mechanism.
2. The heat sealing device for use in automatic sealing equipment as described in claim 1, characterized in that, The lifting mechanism includes a lifting motor and belt assemblies respectively arranged on both sides of the conveyor line. The belt assemblies on both sides are connected by a connecting rod, and the lifting motor is connected to the belt assembly on one side.
3. The heat sealing device for use in automatic sealing equipment as described in claim 1, characterized in that, The opening and closing drive assembly includes multiple opening and closing motors, with each end of the second mounting plate along the conveying direction having an opening and closing motor installed.
4. The heat sealing device for use in automatic sealing equipment as described in claim 1, characterized in that, The opening and closing mechanism also includes an opening and closing guide rod, the two ends of which are respectively fixed to the second mounting plates on both sides, and the first mounting plates on both sides are respectively inserted through the opening and closing guide rod.
5. A precision automatic sealing device, characterized in that, The invention includes the heat sealing device, conveyor line, and stopping device as described in any one of claims 1-4, wherein the conveyor line is provided with at least a first station, the stopping device is capable of stopping the box at the first station, and the heat sealing device is correspondingly arranged at the first station to heat seal the opening of the packaging bag.