Heat sealing device for food packaging
By designing heat-sealing components that are easy to disassemble and install, and using electric heating and telescopic rods to prevent food from spilling, the problems of contamination and incomplete heat sealing caused by untimely cleaning in existing technologies are solved, thus achieving high-quality food packaging.
Patent Information
- Application Number
- CN202423286102.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing heat sealing devices for food packaging may cause contamination if not cleaned in a timely manner, and incomplete heat sealing may affect the sealing effect and shelf life of food.
A heat-sealing assembly that is easy to disassemble and install is designed. It uses an electric heating tube for heating and a telescopic rod and heat-sealing frame to prevent food from spilling, thus achieving a clean and efficient heat-sealing process.
It improves the ease of cleaning and quality of food packaging, ensuring the sealing effect and storage time of food.
Smart Images

Figure CN223546603U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heat sealing technology for food packaging, specifically a heat sealing device for food packaging. Background Technology
[0002] A heat-sealing device for food packaging is a device used to seal food packaging materials. Its basic principle is to heat the sealing portion of the packaging material until it melts or softens, and then apply a certain pressure to bond two or more layers of packaging material together, thereby achieving the purpose of sealing the packaging.
[0003] The patent publication number "CN216942060U" discloses a "heat sealing device for processing food packaging bags", which includes a workbench and a support. The inner and outer sides of the workbench are provided with heat sealing adjustment structures. The heat sealing adjustment structure includes an electric telescopic rod, and the electric telescopic rod is fixedly connected to the support. The bottom end of the electric telescopic rod is fixedly connected to a second motor, and the end of the main shaft of the second motor is fixedly connected to a mounting plate.
[0004] In the aforementioned patent, a photosensitive sensor and semi-cylindrical protrusions of different sizes are interchanged. An illumination lamp emits light, and the second photosensitive sensor receives the light and feeds the signal back to the controller. The controller activates the heating ring corresponding to the larger semi-cylindrical protrusion. An electric telescopic rod intermittently drives the heating ring to open and close the large food packaging bag at the top of the semi-cylindrical protrusion, ensuring the heat-sealing edge of food bags of different sizes. At the same time, the heat-sealing positions are all close to the side of the workbench, ensuring the personal safety of the staff and increasing the practicality of the device. However, during the heat-sealing process, if the device cannot be cleaned in time, the dirt may breed bacteria, contaminating the food packaged later, and may affect the performance of the heat-sealing device. In addition, the device may not seal properly due to food spilling around it, thus affecting the sealing effect and shelf life of the food.
[0005] Therefore, this utility model provides a heat sealing device for food packaging to solve the above problems. Utility Model Content
[0006] To address the shortcomings of existing technologies, this utility model provides a heat-sealing device for food packaging, which solves the aforementioned problems.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a heat-sealing device for food packaging, comprising a support assembly for supporting the device, the support assembly comprising table legs, a worktable fixedly connected to the top of the table legs, a frame fixedly connected to the four corners of the upper surface of the worktable, a fixed rod movably connected to the top of the frame, two fixed rods, and a heat-sealing assembly disposed between the two fixed rods, the heat-sealing assembly comprising a fixed plate, a threaded hole provided on the upper surface of the fixed plate, the threaded hole being located at the center of the fixed rod, and the lower surface of the fixed plate movably connected to the upper surface of the fixed rod.
[0008] Furthermore, the lower surface of the fixed plate is fixedly connected to the end of a telescopic rod, the output end of the telescopic rod is fixedly connected to a connecting plate, the lower surface of the connecting plate is fixedly connected to a connecting block, the bottom end of the connecting block is fixedly connected to the inner end of a heat-conducting plate, and the threaded hole is opened at the outer end of the heat-conducting plate.
[0009] By adopting the above technical solution, the height of the heat-conducting plate can be easily adjusted by the back-and-forth retraction of the telescopic rod.
[0010] Furthermore, a heat-sealing frame is movably connected to the outer end of the heat-conducting plate, and a small recess is formed on the upper surface of the heat-sealing frame, with the threaded hole formed at the bottom of the small recess.
[0011] By adopting the above technical solution, the installation and disassembly of the heat-conducting plate and the heat-sealing frame are made more flexible through the bolt and threaded hole connection.
[0012] Furthermore, a square base plate is fixedly connected to the inner end side surface of the heat-conducting plate, and an electric heating tube is fixedly connected to the upper surface of the square base plate.
[0013] By adopting the above technical solution, heat is conducted to the square base plate and heat-conducting plate through the heating of the electric heating tube, so that the heat generated by the electric heating tube does not directly contact the packaging material, reducing the possibility of the packaging material being burned.
[0014] Furthermore, a square recess is provided at the center of the upper surface of the workbench, and a square through hole is provided at the bottom of the square recess.
[0015] By employing the above technical solution, the square recesses and square through-holes prevent the device from being mechanically squeezed during snack packaging, thus protecting the snacks' intact shape.
[0016] Furthermore, a net is fixedly connected to the center of the lower surface of the workbench.
[0017] By adopting the above technical solution, the netting is used to prevent the snacks from failing to heat seal due to their weight.
[0018] Beneficial effects
[0019] This utility model provides a heat-sealing device for food packaging. Compared with the prior art, it has the following advantages:
[0020] Beneficial effects:
[0021] 1. This heat-sealing device for food packaging first places the heat-sealing component between the fixing rods, then aligns the threaded holes at both ends of the fixing rods with the threaded holes on both sides of the frame. Next, the threaded holes on the fixing plate are aligned with the threaded holes at the center of the fixing rod. Finally, the fixing rod is fixed to the frame and the fixing plate is fixed to the center of the fixing rod by tightening the bolts into the threaded holes. This makes the disassembly and installation of the heat-sealing component of the device more convenient, avoiding contamination of the food packaging caused by untimely cleaning due to the difficulty in disassembling the device. It achieves the beneficial effects of easy cleaning and improved food packaging quality.
[0022] 2. This heat-sealing device for food packaging involves laying packaging material in the center of the workbench, placing snacks in the center of the packaging material, placing another layer of packaging material on top of the snacks, and then turning on the electric heating tube. Once the electric heating tube reaches the operating temperature, the electric telescopic rod is activated, and the heat-sealing frame is pressed down against the inner wall of the square recess. This prevents the snacks from scattering to the sides and avoids the heat-sealing device sealing the food into the edges of the packaging material, achieving clean and high-quality heat sealing of food and improving the storage effect of food. Attached Figure Description
[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0024] Figure 1 This is a perspective view of the external structure of this utility model;
[0025] Figure 2 This is a front view of the support component structure of this utility model;
[0026] Figure 3 This is a perspective view of the external structure of the heat-sealing component of this utility model;
[0027] Figure 4 This is a side view of the heat-sealing component structure of this utility model.
[0028] In the diagram: 1. Support assembly; 101. Table leg; 102. Workbench; 103. Frame; 104. Square recess; 105. Square through hole; 106. Netting; 107. Threaded hole; 108. Fixing rod; 2. Heat sealing assembly; 201. Fixing plate; 202. Telescopic rod; 203. Connecting plate; 204. Connecting block; 205. Heat conducting plate; 206. Square base plate; 207. Electric heating tube; 208. Heat sealing frame; 209. Small recess. Detailed Implementation
[0029] It should be noted that in the description of the embodiments of this application, the terms "front," "rear," "left," "right," "up," "down," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0030] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.
[0031] Reference Figures 1 to 4 This application provides a heat sealing device for food packaging, including a support assembly 1 for supporting the device. The support assembly 1 includes table legs 101, a workbench 102 is fixedly connected to the top of the table legs 101, a frame 103 is fixedly connected to the four corners of the upper surface of the workbench 102, a fixed rod 108 is movably connected to the top of the frame 103, there are two fixed rods 108 and a heat sealing assembly 2 is arranged between the two fixed rods 108, the heat sealing assembly 2 includes a fixed plate 201, a threaded hole 107 is opened on the upper surface of the fixed plate 201, the threaded hole 107 is opened at the center of the fixed rod 108, and the lower surface of the fixed plate 201 is movably connected to the upper surface of the fixed rod 108. The lower surface of the fixed plate 201 is fixedly connected to the end of the electric telescopic rod 202. The output end of the electric telescopic rod 202 is fixedly connected to the connecting plate 203. The lower surface of the connecting plate 203 is fixedly connected to the connecting block 204. The bottom end of the connecting block 204 is fixedly connected to the inner end of the heat-conducting plate 205. The threaded hole 107 is opened at the outer end of the heat-conducting plate 205.
[0032] In this embodiment, when the electric telescopic rod 202 extends and retracts, the connecting plate 203, connecting block 204, heat-conducting plate 205, and heat-sealing frame 208 will all descend and rise accordingly.
[0033] Reference Figures 1 to 4In one aspect of this embodiment, a heat-sealing frame 208 is movably connected to the outer end of the heat-conducting plate 205. A small recess 209 is provided on the upper surface of the heat-sealing frame 208, and a threaded hole 107 is provided at the bottom of the small recess 209.
[0034] In this embodiment, the heat sealing assembly 2 is first placed between the fixing rods 108, and then the threaded holes 107 at both ends of the fixing rods 108 are aligned with the threaded holes 107 on both sides of the frame 103. Then, the threaded holes 107 on the fixing plate 201 are aligned with the threaded holes 107 at the center of the fixing rods 108, and then the fixing rods 108 are fixed to the frame 103 and the fixing plate 201 is fixed at the center of the fixing rods 108 by tightening the bolts with the threaded holes 107. This makes the disassembly and installation of the heat sealing assembly 2 of the device more convenient, avoids the contamination of food packaging caused by untimely cleaning due to the difficulty in disassembling the device, and achieves the beneficial effects of easy cleaning and improved food packaging quality.
[0035] Reference Figures 1 to 4 In one aspect of this embodiment, a square base plate 206 is fixedly connected to the inner end side surface of the heat-conducting plate 205, and an electric heating tube 207 is fixedly connected to the upper surface of the square base plate 206.
[0036] In this embodiment, the heat generated by the electric heating tube 207 is first conducted to the square base plate 206 and then transferred to the heat-conducting plate 205.
[0037] Reference Figures 1 to 4 In one aspect of this embodiment, a square recess 104 is provided at the center of the upper surface of the workbench 102, and a square through hole 105 is provided at the bottom of the square recess 104.
[0038] In this embodiment, the square through hole 105 is located at the center of the bottom of the inner wall of the square recess 104.
[0039] Reference Figures 1 to 4 In one aspect of this embodiment, a net 106 is fixedly connected to the center of the lower surface of the workbench 102.
[0040] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0041] Working principle: Packaging material is laid in the center of the workbench 102, and then the snacks are placed in the center of the packaging material. After placing another layer of packaging material on top of the snacks, the electric heating tube 207 is turned on. When the electric heating tube 207 heats up to the operating temperature, the electric telescopic rod 202 is turned on, and the heat sealing frame 208 is pressed down to the inner wall of the square recess 104. This device can prevent the snacks from scattering to the sides and avoid the heat sealing device from sealing the food into the edge of the packaging material. This achieves clean and high-quality heat sealing of food and improves the storage effect of food.
[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0043] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A heat-sealing device for food packaging, comprising a support assembly (1) for supporting the device, characterized in that: The support assembly (1) includes table legs (101), a workbench (102) is fixedly connected to the top of the table legs (101), a frame (103) is fixedly connected to the four corners of the upper surface of the workbench (102), a fixed rod (108) is movably connected to the top of the frame (103), there are two fixed rods (108) and a heat sealing assembly (2) is provided between the two fixed rods (108), the heat sealing assembly (2) includes a fixed plate (201), a threaded hole (107) is opened on the upper surface of the fixed plate (201), the threaded hole (107) is opened at the center of the fixed rod (108), and the lower surface of the fixed plate (201) is movably connected to the upper surface of the fixed rod (108).
2. The heat sealing device for food packaging according to claim 1, characterized in that: The lower surface of the fixed plate (201) is fixedly connected to the end of the electric telescopic rod (202), the output end of the electric telescopic rod (202) is fixedly connected to the connecting plate (203), the lower surface of the connecting plate (203) is fixedly connected to the connecting block (204), the bottom end of the connecting block (204) is fixedly connected to the inner end of the heat-conducting plate (205), and the threaded hole (107) is opened at the outer end of the heat-conducting plate (205).
3. The heat sealing device for food packaging according to claim 2, characterized in that: The heat-conducting plate (205) is movably connected to a heat-sealing frame (208) at its outer end. A small recess (209) is provided on the upper surface of the heat-sealing frame (208), and a threaded hole (107) is provided at the bottom of the small recess (209).
4. A heat-sealing device for food packaging according to claim 2, characterized in that: A square base plate (206) is fixedly connected to the inner end side surface of the heat-conducting plate (205), and an electric heating tube (207) is fixedly connected to the upper surface of the square base plate (206).
5. A heat-sealing device for food packaging according to claim 1, characterized in that: A square recess (104) is provided at the center of the upper surface of the workbench (102), and a square through hole (105) is provided at the bottom of the square recess (104).
6. A heat-sealing device for food packaging according to claim 1, characterized in that: A net (106) is fixedly connected to the center of the lower surface of the workbench (102).
Citation Information
Patent Citations
Heat edge sealing device for food packaging bag processing
CN216942060U