Vacuum nitrogen packaging machine for packaging seed kernels
By using lifting and limiting devices, the compatibility problem of vacuum nitrogen packaging machines for seed packaging is solved, achieving stable support and clamping for different packaging bags, and avoiding air leakage and packaging failure.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUNSHINE (TIANJIN) PRODUCE LTD
- Filing Date
- 2025-06-09
- Publication Date
- 2026-04-21
AI Technical Summary
The placement platform of the existing vacuum nitrogen packaging machine for kernel packaging cannot be flexibly adjusted, resulting in uneven pressure between the sealer and the packaging bag when facing packaging bags of different heights or capacities, which easily leads to air leakage or sealing failure.
The system employs a lifting device and a limiting device. The lifting platform is driven by a cylinder to adjust its height. The anti-slip plate is in close contact with the packaging bag. The limiting device uses a U-shaped plate and springs to clamp the sealed bag, ensuring that the bag is stable during nitrogen filling.
It enables flexible adaptation to packaging bags of different heights or capacities, preventing air leakage and sealing failure, and ensuring the stability of the sealed bags during nitrogen filling.
Smart Images

Figure CN224146306U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lifting support technology, and in particular to a vacuum nitrogen packaging machine for seed kernel packaging. Background Technology
[0002] The vacuum nitrogen packaging machine for kernel packaging is a specialized device for packaging kernel products. It can perform functions such as vacuuming, nitrogen filling, and sealing during the packaging process to extend the shelf life of kernels, maintain their quality and taste, and prevent pests from eroding the kernels by creating a vacuum environment and nitrogen atmosphere.
[0003] In the existing technology, the placement platform of the vacuum nitrogen packaging machine for seed packaging generally has an adaptability defect. When faced with packaging bags of different heights or capacities, its fixed height design is difficult to adjust flexibly. For packaging bags with large or small capacities, the placement platform cannot rise to the appropriate position, which will cause uneven pressure and insufficient contact area between the sealer and the packaging bag, resulting in air leakage or sealing failure due to height difference. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing vacuum nitrogen packaging machines for seed kernels, where the placement platform generally has an adaptability defect. When faced with packaging bags of different heights or capacities, the fixed height design is difficult to adjust flexibly, leading to air leakage or sealing failure due to height differences. Therefore, this invention proposes a vacuum nitrogen packaging machine for seed kernels.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a vacuum nitrogen packaging machine for kernel packaging, comprising a controller, an air extraction pipe, an air filling pipe, and a sealing device. The bottom end of the controller is provided with a lifting device, which includes a base plate. The top end of the base plate is fixedly connected to the controller. A cylinder is fixedly connected to the top end of the base plate. A stop block is fixedly connected to the output end of the cylinder. A lifting platform is fixedly connected to one end of the stop block. An anti-slip plate, which is made of rubber, is fixedly connected to the top end of the lifting platform.
[0006] The effect achieved by the above components is that the cylinder start-up output end drives the stop block to move, thereby enabling the lifting platform to adjust the position of the anti-slip plate.
[0007] Preferably, a support frame is fixedly connected to the bottom end of the lifting platform.
[0008] The aforementioned components achieve the effect of fixing the support frame to the lifting platform.
[0009] Preferably, two telescopic rods are fixedly connected to the top of the base plate, and the output ends of the two telescopic rods are fixedly connected to the lifting platform.
[0010] The effect achieved by the above components is that the movement of the base plate drives the output end of the telescopic rod to output or retract, preventing the base plate from shifting position during the movement.
[0011] Preferably, two limiting frames are fixedly connected to the top of the base plate, and two sliding grooves are formed on the inner side of the limiting frames.
[0012] The effect achieved by the above components is that the slide is opened on the limit frame, and the limit frame is fixed on the base plate.
[0013] Preferably, the two slides are internally slidably connected by I-shaped limiting blocks, and the side of the two I-shaped limiting blocks that are close to each other is fixedly connected to the lifting platform.
[0014] The effect achieved by the above components is that the movement of the lifting platform causes the I-shaped limit block to slide within the slide groove, thus preventing the lifting platform from shifting its position during movement.
[0015] Preferably, the outer side of the lifting platform is provided with a limiting device, the limiting device including a U-shaped plate, the inner side of the U-shaped plate being fixedly connected to the lifting platform, and two rings being fixedly connected to one side of the U-shaped plate.
[0016] The effect achieved by the above components is that the ring is fixed on the U-shaped plate, and the U-shaped plate is fixed on the lifting platform.
[0017] Preferably, the inner side of the ring is slidably connected with a round rod, and one end of the two round rods is fixedly connected with a U-shaped baffle.
[0018] The effect achieved by the above components is that the round rod moves and slides within the ring.
[0019] Preferably, the arc surface of the round rod is fitted with a spring, and the two ends of the two springs are respectively fixedly connected to the U-shaped baffle and the U-shaped plate.
[0020] The effect achieved by the above-mentioned components is to prevent the spring from deforming during the stretching or contraction process.
[0021] Preferably, an anti-slip pad, which is made of rubber, is fixedly connected to the side of the U-shaped baffle closest to the U-shaped plate.
[0022] The effect achieved by the above components is to increase the friction of the anti-slip mat.
[0023] In summary, the beneficial effects of this utility model are as follows:
[0024] In this invention, a lifting device is used to ensure that the anti-slip plate is in close contact with the bottom of the seed packaging bag when seed packaging is required, providing stable support for the bag. A vacuum is created by the suction pipe, and nitrogen is then injected into the bag through the inflation pipe. The bag is then sealed by the sealer. This lifting device solves the problem of the general lack of adaptability of the placement platform in traditional vacuum nitrogen packaging machines for seed packaging. When faced with packaging bags of different heights or capacities, the fixed height design is difficult to adjust flexibly, leading to problems such as air leakage or packaging failure due to height differences.
[0025] In this invention, a limiting device is used to securely place the seed packaging bag between the anti-slip pad and the U-shaped plate when it is necessary to prevent the packaging bag from shifting. This clamps the packaging bag in a stable state. The limiting device solves the problem that traditional vacuum nitrogen packaging machines for seed packaging cannot effectively limit the position of the packaging bag and are difficult to keep the packaging bag stable during nitrogen filling. Attached Figure Description
[0026] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0027] Figure 2 This is a schematic diagram of the lifting structure of this utility model;
[0028] Figure 3 This is a partial structural diagram of the lifting structure of this utility model;
[0029] Figure 4 This is a schematic diagram of the limiting structure of this utility model.
[0030] Legend: 1. Controller; 2. Lifting device; 201. Base plate; 202. Cylinder; 203. Stop block; 204. Lifting platform; 205. Anti-slip plate; 206. Telescopic rod; 207. Support frame; 208. Limiting frame; 209. Slide groove; 210. I-shaped limiting block; 3. Limiting device; 31. U-shaped plate; 32. Ring; 33. Round rod; 34. U-shaped baffle; 35. Anti-slip mat; 36. Spring; 4. Air extraction pipe; 5. Inflation pipe; 6. Sealer. Detailed Implementation
[0031] Reference Figure 1 As shown, this utility model provides a technical solution: a vacuum nitrogen packaging machine for kernel packaging, including a controller 1, an air extraction pipe 4, an air filling pipe 5 and a sealing device 6. The bottom end of the controller 1 is provided with a lifting device 2, and the outer side of the lifting platform 204 is provided with a limiting device 3.
[0032] The specific settings and functions of its lifting device 2 and limiting device 3 will be explained below.
[0033] Reference Figure 2 and Figure 3 As shown in this embodiment: the lifting device 2 includes a base plate 201, the top of which is fixedly connected to the controller 1. A cylinder 202 is fixedly connected to the top of the base plate 201, and a stop block 203 is fixedly connected to the output end of the cylinder 202. A lifting platform 204 is fixedly connected to one end of the stop block 203, and a rubber anti-slip plate 205 is fixedly connected to the top of the lifting platform 204. This achieves the effect of the cylinder 202 starting and driving the stop block 203 to move, thereby adjusting the position of the lifting platform 204 and the anti-slip plate 205. A support frame 207 is fixedly connected to the bottom of the lifting platform 204, ensuring that the support frame 207 is fixed to the lifting platform 204. Two telescopic rods 206 are fixedly connected to the top of the base plate 201, and the output ends of the two telescopic rods 206 are fixedly connected to the lifting platform 204. This achieves the effect of the base plate 201 moving and driving the output ends of the telescopic rods 206 to output or retract, preventing the base plate 201 from shifting position during movement. Two limiting brackets 208 are fixedly connected to the top of the base plate 201, and two sliding grooves 209 are formed on the inner side of the limiting brackets 208. This achieves the effect that the sliding grooves 209 are formed on the limiting brackets 208, and the limiting brackets 208 are fixed to the base plate 201. I-shaped limiting blocks 210 are slidably connected inside the two sliding grooves 209, and the side of the two I-shaped limiting blocks 210 that is close to each other is fixedly connected to the lifting platform 204. This achieves the effect that the movement of the lifting platform 204 causes the I-shaped limiting blocks 210 to slide within the sliding grooves 209, preventing the position of the lifting platform 204 from shifting during movement.
[0034] Reference Figure 4 As shown in this embodiment: the limiting device 3 includes a U-shaped plate 31, the inner side of which is fixedly connected to the lifting platform 204, and two rings 32 are fixedly connected to one side of the U-shaped plate 31. This achieves the effect of the rings 32 being fixed to the U-shaped plate 31, and the U-shaped plate 31 being fixed to the lifting platform 204. A round rod 33 is slidably connected inside the rings 32, and one end of each round rod 33 is fixedly connected to a U-shaped baffle 34. This achieves the effect of the round rods 33 sliding within the rings 32. A spring 36 is fitted onto the arc surface of the round rod 33, and the two ends of the springs 36 are fixedly connected to the U-shaped baffle 34 and the U-shaped plate 31, respectively. This achieves the effect of preventing the springs 36 from deforming during stretching or contraction. An anti-slip pad 35, made of rubber, is fixedly connected to the side of the U-shaped baffle 34 closest to the U-shaped plate 31. This achieves the effect of increasing friction.
[0035] Working principle: When kernel packaging is required, the operator first connects cylinder 202 to controller 1 via lifting device 2, establishing a control connection between the two to ensure that controller 1 can accurately control the start and stop of cylinder 202. Then, cylinder 202 is started, causing its output end to retract to its limit position. During this process, block 203 moves accordingly, driving lifting platform 204 down until anti-slip plate 205 is at its lowest height. Subsequently, the sealing part of the kernel packaging bag to be packaged is placed in sealing device 6, and suction pipe 4 and inflation pipe 5 are inserted into the bag, causing sealing device 6 to squeeze the sealing part of the kernel packaging bag. Cylinder 202 is started again, its output end extending and pushing block 203 upward, thereby causing lifting platform 204 to retract. 04. The anti-slip plate 205 is raised until its placement surface is in close contact with the bottom of the kernel packaging bag, providing stable support for the packaging bag. At this time, the controller 1 issues a command to start the suction pipe 4 to remove the air from the packaging bag and create a vacuum environment. Then, the inflation pipe 5 starts working to fill the bag with nitrogen. After the gas replacement is completed, the controller 1 controls the suction pipe 4 and the inflation pipe 5 to withdraw from the packaging bag. At the same time, the sealer 6 is immediately driven to seal the packaging bag, completing the entire kernel packaging process. Through the lifting device 2, the problem of the adaptability defects of the placement platform of the traditional vacuum nitrogen packaging machine for kernel packaging is solved. When facing packaging bags of different heights or capacities, its fixed height design is difficult to adjust flexibly, resulting in air leakage or sealing failure due to height difference.
[0036] With the limiting device 3, when it is necessary to prevent the packaging bag from shifting, the operator first securely places the seed packaging bag between the anti-slip pad 35 and the U-shaped plate, so that it is in a clamped state. During the nitrogen filling process, the packaging bag expands and bounces due to the internal gas filling. The resulting impact force will directly act on the anti-slip pad 35 and the U-shaped plate. At this time, the anti-slip pad 35 drives the U-shaped baffle to shift under the impact force, stretching the spring 36 connected to it. The spring 36 generates a reverse elastic force during the stretching process, which cancels out the impact force brought by the expansion of the packaging bag. Through the elastic buffer mechanism, the tendency of the packaging bag to move can be effectively suppressed, ensuring that it remains stable during the nitrogen filling process. With the limiting device 3, the problem of traditional vacuum nitrogen packaging machines for seed packaging being unable to effectively limit the position of the packaging bag and making it difficult to keep the packaging bag stable during the nitrogen filling process is solved.
[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
Claims
1. A vacuum nitrogen packaging machine for seed kernel packaging, comprising a manipulator (1), a suction pipe (4), a gas filling pipe (5) and a sealer (6), characterized in that: The bottom of the controller (1) is provided with a lifting device (2). The lifting device (2) includes a base plate (201). The top of the base plate (201) is fixedly connected to the controller (1). A cylinder (202) is fixedly connected to the top of the base plate (201). A stop block (203) is fixedly connected to the output end of the cylinder (202). A lifting platform (204) is fixedly connected to one end of the stop block (203). An anti-slip plate (205) is fixedly connected to the top of the lifting platform (204). The anti-slip plate (205) is made of rubber.
2. The vacuum nitrogen packaging machine for kernel packaging according to claim 1, characterized in that: The bottom end of the lifting platform (204) is fixedly connected to a support frame (207).
3. A vacuum nitrogen packaging machine for seed encapsulation as claimed in claim 2, wherein: Two telescopic rods (206) are fixedly connected to the top of the base plate (201), and the output ends of the two telescopic rods (206) are fixedly connected to the lifting platform (204).
4. The vacuum nitrogen packaging machine for seed kernel packaging according to claim 3, characterized in that: Two limiting frames (208) are fixedly connected to the top of the base plate (201), and two sliding grooves (209) are opened on the inner side of the limiting frame (208).
5. A vacuum nitrogen packaging machine for seed encapsulation as claimed in claim 4, wherein: The two slides (209) are internally connected by I-shaped limiting blocks (210), and the side of the two I-shaped limiting blocks (210) that are close to each other is fixedly connected to the lifting platform (204).
6. A vacuum nitrogen packaging machine for seed encapsulation as claimed in claim 5, wherein: The lifting platform (204) is provided with a limiting device (3) on its outer side. The limiting device (3) includes a U-shaped plate (31). The inner side of the U-shaped plate (31) is fixedly connected to the lifting platform (204). Two rings (32) are fixedly connected to one side of the U-shaped plate (31).
7. A vacuum nitrogen packaging machine for seed encapsulation as claimed in claim 6, wherein: The inner side of the ring (32) is slidably connected to a round rod (33), and one end of the two round rods (33) is fixedly connected to a U-shaped baffle (34).
8. A vacuum nitrogen packaging machine for seed encapsulation according to claim 7, characterized in that: The circular rod (33) has a spring (36) fitted on its arc surface, and the two ends of the two springs (36) are fixedly connected to the U-shaped baffle (34) and the U-shaped plate (31) respectively.
9. A vacuum nitrogen packaging machine for seed encapsulation according to claim 8, characterized in that: An anti-slip pad (35) is fixedly connected to the side of the U-shaped baffle (34) near the U-shaped plate (31), and the anti-slip pad (35) is made of rubber.