Heating device for skin packaging
By designing a heating device for body packaging with a small size and uniform heating, the existing body packaging machine heating device has solved the problem of large volume and low heating uniformity, and the energy consumption and protection of the packaged objects have been reduced.
Patent Information
- Application Number
- CN202420729541.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The heating devices of existing body-mounted packaging machines have problems such as large volume and low heating uniformity, which leads to high energy consumption and may damage the packaged substances, especially food.
A small size and uniform heating heating device for body packaging is designed, and a structure that combines upper and lower sheet metal parts, covers the surface with metal heating film or heating wire, and an insulating layer is installed on the surface, and vacuum ventilation holes are installed to improve heating efficiency.
It realizes uniform heating, reduces energy consumption, reduces the space occupied by the heating device, reduces the volume of the body-mounted packaging machine, and protects the freshness of the package.
Smart Images
Figure CN222591873U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a packaging technology, in particular to a skin packaging device, specifically a heating device for skin packaging. Background Art
[0002] In skin packaging, for example, a base material carrying contents (i.e., the packaged object) is placed in a vacuum chamber having a lower chamber and an upper chamber, the vacuum chamber is evacuated, the cover film is heated, and the cover film and the contents are closely and nearly bonded by the adsorption force when the upper chamber is opened, thereby vacuum packaging the contents. Compared with other packaging forms, skin packaging has excellent functions such as maintaining the freshness of the packaged object, preventing dripping, and fixing the packaged object.
[0003] The heating part of the existing skin packaging design adopts heating rods or flat plates for heating. This heating method has the problems of uneven heating, high power consumption, and large space occupation. At the same time, the uneven temperature may also cause damage to the packaged objects, especially food. Utility Model Content
[0004] The utility model aims to solve the problems of large volume and low heating uniformity of the heating upper cover of the existing skin packaging machine, and to design a heating device for skin packaging with small volume and uniform heating.
[0005] The technical solution of the utility model is:
[0006] A heating device for skin packaging, comprising an upper sheet metal part 1 and a lower sheet metal part 2, wherein the lower surface of the lower sheet metal part 2 is provided with a concave cavity matching the packaged object, and the concave cavity forms a matching protrusion 3 on the upper surface of the lower sheet metal part 2, wherein the protrusion 3 is covered with a heating film 4 matching its shape, the protrusion 3 and the heating film 4 are located together in a cavity formed by the assembly of the upper sheet metal part 1 and the lower sheet metal part 2, and the upper and lower surfaces of the heating film 4 are both provided with an insulating layer.
[0007] The lower sheet metal part 2 and the heating film 4 are provided with a plurality of vacuum vent holes 5 .
[0008] The heating film 4 is a metal heating film / metal heating wire.
[0009] The insulating layer is made of Teflon / polyimide / silicone rubber material.
[0010] The protrusion 3 or the lower sheet metal part 2 is provided with a guide column 6, and the lower surface of the upper sheet metal part 1 is provided with a matching guide hole.
[0011] Beneficial effects of the utility model:
[0012] The thin film heater of the utility model can not only realize uniform heating and reduce energy consumption, but also reduce the space occupied by the heating device and reduce the volume of the skin packaging machine.
[0013] The utility model has the advantages of simple structure, convenient manufacture and can reduce the volume of the whole machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional exploded structural schematic diagram of the utility model. DETAILED DESCRIPTION
[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0016] like Figure 1 shown.
[0017] A heating device for skin packaging, comprising an upper sheet metal part 1 and a lower sheet metal part 2, wherein the lower surface of the lower sheet metal part 2 is provided with a concave cavity matching the packaged object, and the concave cavity forms a matching protrusion 3 on the upper surface of the lower sheet metal part 2, and the surface of the protrusion 3 is covered with a heating film 4 matching the shape thereof, and the upper and lower surfaces of the heating film 4 are both provided with insulating layers, the lower insulating layer is in contact with the protrusion 3, and the upper insulating layer is in contact with the inner surface of the upper sheet metal part. The heating film 4 can be made of a metal heating film / metal heating wire. The insulating layer is made of Teflon / polyimide / silicone rubber material. The protrusion 3 and the heating film 4 are located together in a cavity formed by the assembly of the upper sheet metal part 1 and the lower sheet metal part 2. The lower sheet metal part 2 and the heating film 4 are provided with a plurality of vacuum hand vents 5. This is to facilitate applying a positive pressure to the coating material while heating, so that it fits better with the surface of the packaged object. For the convenience of assembly, in the specific implementation, a guide column 6 can be provided on the protrusion 3 or the lower sheet metal part 2, and a matching guide hole is provided on the lower surface of the upper sheet metal part 1, so that the upper and lower sheet metal parts can be assembled more conveniently and quickly. The utility model uses a thin film heater to be closely attached to the surface of the lower sheet metal part, and the heating of the lower sheet metal part is more uniform, which can not only reduce energy consumption, but also reduce the space occupied by the heating device and reduce the volume of the skin packaging machine.
[0018] The parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art.
Claims
1. A heating device for skin packaging, comprising an upper sheet metal part (1) and a lower sheet metal part (2), wherein the lower surface of the lower sheet metal part (2) is provided with a cavity matching the packaged object, and the cavity forms a matching protrusion (3) on the upper surface of the lower sheet metal part (2), wherein: The surface of the protrusion (3) is covered with a heating film (4) having a shape matching that of the protrusion (3), and the protrusion (3) and the heating film (4) are located together in a cavity formed by assembling the upper sheet metal part (1) and the lower sheet metal part (2); an insulating layer is provided on both the upper and lower surfaces of the heating film (4).
2. The heating device for skin packaging according to claim 1, characterized in that: The lower sheet metal part (2) and the heating film (4) are provided with a plurality of vacuum vent holes (5).
3. The heating device for skin packaging according to claim 1, characterized in that: The heating film (4) is a metal heating film / metal heating wire.
4. The heating device for skin packaging according to claim 1, characterized in that: The surface of the heating film (4) is affixed with an insulating layer, and the insulating layer is made of Teflon / polyimide / silicone rubber material.
5. The heating device for skin packaging according to claim 1, characterized in that: A guide column (6) is provided on the protrusion (3) or the lower sheet metal part (2), and a matching guide hole is provided on the lower surface of the upper sheet metal part (1).