Efficient flip vacuum heat sealing machine

Abstract

The utility model discloses an efficient flip vacuum heat sealing machine, which relates to the technical field of vacuum heat sealing and comprises a bottom frame, and a bottom plate is arranged on the top surface of the bottom frame. The flip cover assembly comprises a flip cover body, the side edge of the flip cover body is hinged to the bottom plate, an upper pressing plate assembly used for heat sealing is arranged in the flip cover body, the side edge of the flip cover body is rotationally connected with a rotating air cylinder used for driving a flip cover, and a sealing face is arranged on the periphery of the flip cover body; the heat sealing assembly is arranged on the bottom plate and located below the flip cover body, and a sealing strip matched with the sealing face is arranged on the periphery of the heat sealing assembly. The utility model aims to provide the vacuum heat sealing machine which is simple in structure, small in size and capable of keeping high vacuum degree and improving heat sealing efficiency at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum heat sealing, in particular to a high-efficiency flip-cover vacuum heat sealing machine. Background Art

[0002] A vacuum heat sealer is a device used for packaging food, medicine, electronic products, and other items. It seals packaging materials through vacuuming and heating. This machine can effectively extend the shelf life of products, protecting them from moisture, oxidation, and other external contamination, while also maintaining their shape and appearance. Some products require a high degree of vacuum. Existing vacuum heat sealers that meet this requirement generally have complex structures and are large in size, making them inadequate when the space required for the equipment is small. Furthermore, the sealing and heat sealing processes of existing vacuum heat sealers are separate systems involving multiple drive components. This increases the complexity of the structure and the number of additional steps, resulting in lower heat sealing efficiency. Utility Model Content

[0003] The purpose of the invention of the utility model is to provide a vacuum heat sealing machine which has a simple structure, a small volume, and can maintain a high vacuum degree while improving the heat sealing efficiency.

[0004] Technical Solution

[0005] In order to solve the above problems, the technical solution provided by the present invention is as follows:

[0006] A high-efficiency flip-lid vacuum heat sealing machine comprises a base frame with a bottom plate provided on the top surface; a flip-lid assembly comprising a flip-lid body whose side edges are hinged to the bottom plate, an upper pressure plate assembly for heat sealing provided within the flip-lid body, a rotary cylinder for driving the flip-lid rotatably connected to the side edges of the flip-lid body, and a sealing surface provided on the periphery of the flip-lid body; a heat sealing assembly arranged on the bottom plate and located below the flip-lid body, and a sealing strip provided on the periphery thereof for cooperating with the sealing surface.

[0007] The flap assembly differs from traditional sliding covers, saving floor space. An upper pressure plate assembly for heat sealing is incorporated into the flap body, integrating the flap and heat seal clamping into a single process. This saves time and eliminates a drive mechanism, reducing components, size, and energy consumption. Traditional heat sealers control the flap and heat seal clamping, respectively, using two cylinders or motors. A rotary cylinder controls the flap's rotation, automating the process, improving efficiency, and saving manpower. The sealing surface, combined with a sealing strip, streamlines the structure while ensuring high sealing performance, enabling heat sealing under a high vacuum.

[0008] Optionally, the upper pressure plate assembly includes an upper pressure base plate, a spring and a pressure lifting plate. The upper pressure base plate is fixed to the inside of the flip cover body, and the upper pressure base plate and the pressure lifting plate are elastically connected via a spring.

[0009] Elastic compression is beneficial to improving heat sealing stability.

[0010] Optionally, a cushion is provided on the bottom surface of the pressure-lift plate.

[0011] Further improve heat sealing stability.

[0012] Optionally, the periphery of the sealing strip protrudes from the bottom plate.

[0013] To prevent other parts of the bottom plate from interfering with the sealing surface and causing sealing failure, the protruding periphery can ensure close contact with the sealing surface to ensure sealing performance.

[0014] Optionally, the heat sealing assembly includes a cavity substrate, a pressing plate and a heating assembly. The cavity substrate and the pressing plate press and fix the sample up and down, and the heating assembly and the upper pressing plate assembly press and are located at the heat sealing position of the sample.

[0015] The cavity baseplate serves as the foundation for the entire heat-sealing process, supporting the sample to be packaged. The compression plate works in conjunction with the cavity baseplate to secure the sample by pressing it up and down, ensuring it does not move during the heat-sealing process. The heating assembly provides the necessary heat for the heat-sealing process, melting the edges of the packaging material and bonding them together.

[0016] Optionally, the heating assembly includes a heating plate, a heating block, a middle plate, a fastening block and a tightening conductive column. The middle plate is provided with a long groove for accommodating the heating block. The heating block is covered with a heating plate along the length direction. The fastening block is fixed to the circumference of the tightening conductive column. The two ends of the heating plate are fixed between the fastening block and the tightening conductive column. The tightening conductive column is rotatably connected to the two ends of the middle plate.

[0017] The heater provides direct heat, melting and bonding the packaging material. The heating block supports the heater, ensuring it remains stable during heating. The midplate serves as the base of the heating assembly, securing the heater block and other components. The fastening blocks secure the ends of the heater, ensuring they do not move loose during heating. Tightening the conductive studs provides an electrical connection and secures the ends of the heater.

[0018] Optionally, the output end of the rotary cylinder is a support rod, and the support rod is rotatably connected to the middle part of the side of the flip cover body.

[0019] The support rod is rotatably connected to the middle part of the side of the flip cover body, which is beneficial for balancing the sealing force when the cover is closed, so that the pressure at various places on the sealing surface is the same, thereby avoiding sealing failure.

[0020] Optionally, a vacuum mechanism is connected to the bottom of the base plate.

[0021] The vacuum pumping mechanism is used for vacuuming.

[0022] Beneficial effects

[0023] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0024] The vacuum heat sealing machine of the technical solution provided by the utility model has a simple structure and a small size. It improves the heat sealing efficiency while maintaining a high vacuum degree, compresses the vacuum cavity space, saves costs, increases the ultimate vacuum value for application in more scenarios, and improves the heat sealing stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the three-dimensional structure of a high-efficiency flip-lid vacuum heat sealing machine proposed in an embodiment of the present utility model;

[0026] Figure 2 A schematic diagram of the internal structure of a high-efficiency flip-lid vacuum heat sealing machine proposed in an embodiment of the present utility model;

[0027] Figure 3 A schematic structural diagram of a flip cover assembly of a high-efficiency flip cover vacuum heat sealing machine proposed in an embodiment of the present utility model;

[0028] Figure 4 A partial cross-sectional schematic diagram of a flip cover assembly of a high-efficiency flip cover vacuum heat sealing machine proposed in an embodiment of the present utility model;

[0029] Figure 5 A schematic structural diagram of a three-dimensional heating assembly of a high-efficiency flip-lid vacuum heat sealing machine proposed in an embodiment of the present utility model;

[0030] 1. Base frame; 2. Bottom plate; 3. Flip cover assembly; 301. Fixed plate; 302. Rotating cylinder; 303. Rotating support rod; 304. Articulated convex; 305. Flip cover body; 306. Upper pressure plate assembly; 307. Sealing surface; 308. Upper pressure base plate; 309. Spring; 3010. Pressure lifting plate; 3011. Cushion; 4. Heat sealing assembly; 401. Sealing strip; 402. Cavity base plate; 403. Pressing plate; 404. Heating assembly; 40401. Heating plate; 40402. Heating block; 40403. Fastening block; 40404. Tightening conductive column; 40405. Middle plate; 5. Vacuuming mechanism. DETAILED DESCRIPTION

[0031] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments.

[0032] Example

[0033] Combined with attachment Figure 1A high-efficiency flip-cover vacuum heat sealing machine includes a base frame 1, a flip-cover component 3, a heat sealing component 4 and a vacuum pumping mechanism 5.

[0034] The chassis 1 has a bottom plate 2 on its top. The chassis 1 is a rectangular parallelepiped with sheet metal around its perimeter to protect the internal components. The flip cover assembly 3 and heat seal assembly 4 are located above the chassis 1. Support legs are located below the chassis 1.

[0035] Combined with attachment Figure 2-4 The flip cover assembly 3 includes a flip cover body 305 hinged to the base plate 2 on one side. An upper pressure plate assembly 306 for heat sealing is located within the flip cover body 305. A rotary cylinder 302, which drives the flip cover, is rotatably connected to the side of the flip cover body 305. A sealing surface 307 is provided around the periphery of the flip cover body 305. The side of the flip cover body 305 facing away from the operator is hinged to the base plate 2. The base plate 2 has two side edges perpendicular to this side, which are provided with strip holes for the support rods 303 of the rotary cylinder 302 to pass through. The support rods 303 move back and forth during the flip cover operation, necessitating the provision of the strip holes. The strip holes are located outside the area where the sealing surface 307 is located to avoid affecting the seal. The flip cover body 305 is box-shaped and has an internal cavity. When pressed downward, the heat sealing assembly 4 is covered from below. The rotary cylinder 302 is hinged to the fixed plate 301, which is fixed to the interior of the base frame 1.

[0036] The heat-sealing assembly 4 is positioned on the base plate 2 and below the flip cover body 305. It is surrounded by a sealing strip 401 that mates with the sealing surface 307. The sealing strip 401 is a fluororubber seal. The heat-sealing assembly 4 comprises a cavity base plate 402, a pressure plate 403, and a heating assembly 404. The cavity base plate 402 and the pressure plate 403 compress and secure the sample in place. The heating assembly 404 compresses and corresponds to the upper pressure plate assembly 306 and is positioned at the heat-sealing position of the sample. Positioning posts are provided at both ends of the pressure plate 403, and the cavity base plate 402 can be arranged in two rows for heat sealing, increasing the sample capacity for heat sealing.

[0037] Combined with attachment Figure 4 The upper pressure plate assembly 306 includes an upper pressure base plate 308, a spring 309, and a pressure lift plate 3010. The upper pressure base plate 308 is fixed to the interior of the flip cover body 305 and is elastically connected to the pressure lift plate 3010 via the spring 309. A soft pad 3011 is provided on the bottom surface of the pressure lift plate 3010. The soft pad 3011 is made of EPDM. The upper pressure plate is elastically clamped, using the spring 309 and EPDM pad 3011 for stable clamping.

[0038] The periphery of the sealing strip 401 protrudes from the bottom plate 2. A frame-shaped protrusion is provided in a rectangular area of ​​the bottom plate 2 where the sealing strip 401 is located.

[0039] Combined with attachment Figure 5The heating assembly 404 includes a heating plate 40401, a heating block 40402, a middle plate 40405, a fastening block 40403, and a screw-on conductive post 40404. The middle plate 40405 is provided with a long slot for accommodating the heating block 40402. The heating block 40402 is covered with the heating plate 40401 along its length. The fastening block 40403 is fixedly connected to the circumference of the screw-on conductive post 40404. The ends of the heating plate 40401 are fixed between the fastening block 40403 and the screw-on conductive post 40404. The screw-on conductive post 40404 is rotatably connected to the ends of the middle plate 40405. The screw-on conductive post 40404 is made of red copper and is connected to a power source.

[0040] The output end of the rotary cylinder 302 is a support rod 303, which is rotatably connected to the middle part of the side of the flip cover body 305. The middle part of the side of the flip cover body 305 is provided with a hinged circular protrusion 304, and the end of the support rod 303 is provided with a hinged part with a circular hole, and the two are hinged.

[0041] The bottom of the bottom plate 2 is connected to a vacuum mechanism 5. The vacuum mechanism 5, the rotary cylinder 302 and other driving components are all connected to a controller for controlling the flip cover and heat sealing process. The controller is connected to a control screen for easy operator control.

[0042] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by this and, without departing from the inventive purpose of the present invention, designs a structure and embodiment similar to the technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A high-efficiency flip cover vacuum heat sealing machine, characterized in that: include a bottom frame, the top surface of which is provided with a bottom plate; The flip cover assembly comprises a flip cover body whose side is hinged to the bottom plate, an upper pressure plate assembly for heat sealing is provided in the flip cover body, a rotary cylinder for driving the flip cover is rotatably connected to the side of the flip cover body, and a sealing surface is provided on the periphery of the flip cover body; The heat sealing component is arranged on the bottom plate and is located below the flip cover body, and a sealing strip is provided on the periphery thereof to match the sealing surface.

2. The high-efficiency flip cover vacuum heat sealing machine according to claim 1, characterized in that: The upper pressure plate assembly includes an upper pressure base plate, a spring and a pressure lifting plate. The upper pressure base plate is fixed to the inside of the flip cover body. The upper pressure base plate and the pressure lifting plate are elastically connected via a spring.

3. The high-efficiency flip cover vacuum heat sealing machine according to claim 2, characterized in that: The bottom surface of the pressure-lifting plate is provided with a soft pad.

4. The high-efficiency flip cover vacuum heat sealing machine according to claim 1, characterized in that: The periphery of the sealing strip protrudes from the bottom plate.

5. The high-efficiency flip cover vacuum heat sealing machine according to claim 1, characterized in that: The heat sealing assembly includes a cavity substrate, a pressing plate and a heating assembly. The cavity substrate and the pressing plate press and fix the sample up and down, and the heating assembly and the upper pressing plate assembly press and are located at the heat sealing position of the sample.

6. The high-efficiency flip cover vacuum heat sealing machine according to claim 5, characterized in that: The heating assembly includes a heating plate, a heating block, a middle plate, a fastening block and a tightening conductive column. The middle plate is provided with a long groove for accommodating the heating block. The heating block is covered with a heating plate along the length direction. The fastening block is fixed to the circumference of the tightening conductive column. The two ends of the heating plate are fixed between the fastening block and the tightening conductive column. The tightening conductive column is rotatably connected to the two ends of the middle plate.

7. The high-efficiency flip cover vacuum heat sealing machine according to claim 1, characterized in that: The output end of the rotary cylinder is a support rod, and the support rod is rotatably connected to the middle part of the side of the flip cover body.

8. A high-efficiency flip-lid vacuum heat sealing machine according to any one of claims 1 to 7, characterized in that: The bottom of the bottom plate is connected with a vacuum pumping mechanism.

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