Automatic weighing, filling and sealing integrated packaging machine for nuts
By designing an integrated automatic weighing, filling, and sealing packaging machine for nuts, which combines weighing, nitrogen filling, and sealing functions, the machine solves the problem of cumbersome operation in existing technologies and improves the efficiency of nut packaging.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU JIYU BIOTECHNOLOGY CO LTD
- Filing Date
- 2025-06-12
- Publication Date
- 2026-05-29
AI Technical Summary
The current nut retail industry requires separate weighing and packaging operations before packaging, which makes the operation cumbersome and the efficiency needs to be improved.
An integrated automatic weighing, filling, and sealing packaging machine for nuts was designed, comprising a pressure frame, a recycling trough, and rubber blocks, etc., to achieve integrated operation of automatic weighing, nitrogen filling, and sealing. The sealing efficiency is ensured by positioning the pressure frame.
It has automated and improved the efficiency of the nut packaging process, increasing the overall efficiency of weighing, nitrogen filling and sealing, and simplifying the operation process.
Smart Images

Figure CN224297498U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of nut processing equipment, and in particular to an integrated automatic weighing, filling and sealing packaging machine for nuts. Background Technology
[0002] Nuts of all kinds are generally rich in protein, oils, minerals, vitamins, etc., which have excellent effects on human growth and development, strengthening the body, and preventing diseases. Eating nuts more than twice a week can reduce the risk of fatal heart disease. Mixed nut products have become one of the most popular and nutritious mainstream products on the market. They often include hard nuts such as walnuts, almonds, hazelnuts, and cashews, and soft nuts such as cranberries and raisins.
[0003] In the current nut retail industry, many nuts are packaged before being sold. However, before packaging, it is necessary to weigh an appropriate amount of nuts for separate bagging. Usually, the weighing and packaging steps are separated, which is cumbersome and the efficiency needs to be improved.
[0004] Therefore, it is necessary to propose an integrated automatic weighing, filling, and sealing packaging machine for nuts to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to provide an integrated automatic weighing, filling, and sealing packaging machine for nuts, in order to solve the problem that in the current nut retail industry, many nuts are packaged before being sold. However, before packaging, it is necessary to weigh an appropriate amount of nuts for separate bagging. Usually, the weighing and packaging steps are separated, which is cumbersome and the efficiency needs to be improved.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an integrated automatic weighing, filling, and sealing packaging machine for nuts, comprising a base, a frame fixedly connected to the top of the base, and an air pipe installed at the top of the frame;
[0007] The frame has two symmetrically distributed pressure plates inside. Each pressure plate has an elastic telescopic rod fixedly connected to its side that is close to the pressure plate. The end of the elastic telescopic rod away from the pressure plate is fixedly connected to a pressure frame. Each pressure frame has a recycling trough with an air supply pipe extending into it on its side that is close to the pressure plate. A recycling plate is slidably installed inside the recycling trough. A spring is installed inside the recycling trough. One end of the spring is fixedly connected to the recycling plate, and the other end of the spring is fixedly connected to the inner wall of the recycling trough.
[0008] A hot pressing device is installed on the side of the pressure plate near the pressure frame.
[0009] Preferably, a rubber block is fixedly connected to the recycling plate.
[0010] Preferably, a sliding plate is provided inside the frame, and an electronic scale is installed on the top of the sliding plate.
[0011] Preferably, both ends of the slide plate are fixedly connected to vertical plates, and a second electric push rod is fixedly connected to the vertical plates. The corresponding pressure plate is fixedly connected to the telescopic end of the second electric push rod.
[0012] Preferably, a first electric push rod is fixedly connected to the frame, and the slide plate is fixedly connected to the telescopic end of the first electric push rod.
[0013] Preferably, a hopper is installed at the top of the frame, and an electric material valve is installed at the bottom of the hopper.
[0014] The technical effects and advantages of this utility model are as follows:
[0015] 1. This utility model achieves integrated operation of automatic weighing, nitrogen filling, and sealing packaging by setting up a pressure frame, recycling trough, rubber block and other structures. It can quickly switch between nitrogen filling and sealing. At the same time, due to the positioning of the pressure frame, the sealing efficiency is guaranteed, thus improving the utilization efficiency of the automatic weighing, filling and sealing integrated packaging machine for nuts. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of the integrated automatic weighing, filling, and sealing packaging machine for nuts of this utility model.
[0017] Figure 2 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle.
[0018] Figure 3 This is a schematic diagram of the structure of the skateboard and electronic scale of this utility model.
[0019] Figure 4 This utility model Figure 3 Enlarged schematic diagram of the structure at point B.
[0020] Figure 5 This is a schematic diagram of the pressure plate and pressure frame structure of this utility model.
[0021] Figure 6 This utility model Figure 5 Enlarged schematic diagram of the structure at point C.
[0022] In the diagram: 1. Base; 2. Frame; 3. Slide plate; 4. Electronic scale; 5. First electric push rod; 6. Hopper; 7. Pressure plate; 8. Pressure frame; 9. Elastic telescopic rod; 10. Hot pressing device; 11. Vertical plate; 12. Second electric push rod; 13. Air pipe; 14. Recycling tank; 15. Spring; 16. Recycling plate; 17. Rubber block; 18. Electric material valve. Detailed Implementation
[0023] This utility model provides, for example Figures 1-6 The nut automatic weighing, filling and sealing integrated packaging machine shown includes a base 1, a frame 2 fixedly connected to the top of the base 1, a hopper 6 installed at the top of the frame 2, an electric material valve 18 installed at the bottom of the hopper 6, and nuts are loaded into the hopper 6.
[0024] The top of the frame 2 is equipped with an air pipe 13, which is connected to a nitrogen supply device, including a nitrogen cylinder, an air pump, a pressure sensor, etc., to achieve quantitative gas supply. Nitrogen filling the nut packaging can prevent the nuts from oxidizing, rotting and spoiling. The air pipe 13 is made of a hard material, such as stainless steel.
[0025] The frame 2 has a sliding plate 3 inside, and an electronic scale 4 is installed on the top of the sliding plate 3 for weighing. A first electric push rod 5 is fixedly connected to the frame 2, and the sliding plate 3 is fixedly connected to the telescopic end of the first electric push rod 5 for controlling the height of the electronic scale 4 through the sliding plate 3.
[0026] Specifically, a controller (not shown in the figure) is installed on the frame 2. The controller is connected between the electronic scale 4 and the first electric push rod 5. The packaging bag is placed on the electronic scale 4, the electric feeding valve 18 is opened, and the nuts inside the hopper 6 are injected into the packaging bag. The electronic scale 4 weighs the nuts in the packaging bag. When the weight of the nuts in the packaging bag reaches the preset value, the controller controls the electric feeding valve 18 to close.
[0027] The controller and its working principle are common existing technologies, and will not be elaborated here.
[0028] To seal the packaging bag, two symmetrically distributed pressure plates 7 are installed inside the frame 2. The sides of the two pressure plates 7 that are close to each other are fixedly connected to elastic telescopic rods 9. The ends of the elastic telescopic rods 9 that are away from the pressure plates 7 are fixedly connected to pressure frames 8. A hot pressing device 10 is installed on the side of the pressure plates 7 that is close to the pressure frames 8. The hot pressing device 10 includes structures such as electric heating strips and is connected to the factory's power supply for use.
[0029] Vertical plates 11 are fixedly connected to both ends of the slide plate 3. Second electric push rods 12 are fixedly connected to the vertical plates 11, and corresponding pressure plates 7 are fixedly connected to the telescopic ends of the second electric push rods 12. The two second electric push rods 12 can drive the two heat-pressing devices 10 to move closer or further apart, and the two heat-pressing devices 10 heat-seal the packaging bag.
[0030] Two pressure frames 8 are provided with a recovery groove 14 through which the air supply pipe 13 extends on their adjacent sides. There are two recovery grooves 14, which are respectively distributed at the upper and lower ends of the pressure frame 8. The recovery grooves 14 correspond to the vertical parts of the air pipe 13. A recovery plate 16 is slidably arranged inside the recovery groove 14. A spring 15 is arranged inside the recovery groove 14. One end of the spring 15 is fixedly connected to the recovery plate 16, and the other end of the spring 15 is fixedly connected to the inner wall of the recovery groove 14. The elastic support force of the spring 15 is less than the elastic support force of the elastic telescopic rod 9. A rubber block 17 is fixedly connected to the recovery plate 16.
[0031] Place the packaging bag on the electronic scale 4, control the extension end of the first electric push rod 5 to retract, and drive the packaging bag upward through the slide plate 3. The air pipe 13 extends into the inside of the packaging bag; open the electric feed valve 18, and the nuts inside the hopper 6 are injected into the packaging bag. The nuts in the packaging bag are weighed by the electronic scale 4. When the weight of the nuts in the packaging bag reaches the preset value, the controller controls the electric feed valve 18 to close.
[0032] The telescopic ends of the two second electric push rods 12 are extended, and the two pressure frames 8 move towards each other to squeeze and position the sealing position of the packaging bag. Since the elastic support force of the spring 15 is less than the elastic support force of the elastic telescopic rod 9, the air pipe 13 squeezes the rubber block 17 and the recycling plate 16 to slide and recycle them into the recycling trough 14. The rubber block 17 adapts to the deformation and wraps around the outside of the air pipe 13. At this time, the elastic telescopic rod 9 is not completely recycled. Nitrogen gas is filled into the packaging bag by the air pipe 13 to prevent the nuts from oxidizing, rotting and deteriorating.
[0033] Next, the telescopic end of the first electric push rod 5 is extended, causing the packaging bag to move downwards via the slide plate 3. The air tube 13 is pulled out from inside the packaging bag, and the return force of the spring 15 causes the rubber block 17 and the recovery plate 16 to return to their original positions, squeezing and closing the part of the air tube 13 that was originally inserted into the packaging bag to prevent air leakage. The telescopic ends of the two second electric push rods 12 are then extended, and the elastic telescopic rod 9 is fully retracted. The heat-sealing device 10 can then pass through the pressure frame 8 and contact the packaging bag. The two heat-sealing devices 10 heat-seal the packaging bag, and the positioning of the pressure frame 8 ensures sealing efficiency.
[0034] In the aforementioned automatic weighing, filling, and sealing integrated packaging machine for nuts, the first electric push rod 5, the second electric push rod 12, etc., can be automatically controlled by existing control systems (including controllers, sensors, drivers, etc.), which will not be elaborated here.
[0035] This utility model achieves integrated operation of automatic weighing, nitrogen filling, and sealing packaging by setting up structures such as a pressure frame 8, a recycling tank 14, and a rubber block 17. It can quickly switch between nitrogen filling and sealing. At the same time, due to the positioning of the pressure frame 8, the sealing efficiency is guaranteed, thus improving the efficiency of the automatic weighing, filling, and sealing integrated packaging machine for nuts.
Claims
1. An integrated automatic weighing, filling, and sealing packaging machine for nuts, comprising a base (1), wherein a frame (2) is fixedly connected to the top of the base (1), characterized in that: An air pipe (13) is installed at the top of the frame (2); The frame (2) has two symmetrically distributed pressure plates (7) inside. The side of the two pressure plates (7) that are close to each other is fixedly connected to an elastic telescopic rod (9). The end of the elastic telescopic rod (9) away from the pressure plate (7) is fixedly connected to a pressure frame (8). The side of the two pressure frames (8) that are close to each other is provided with a recycling trough (14) into which an air supply pipe (13) extends. A recycling plate (16) is slidably arranged inside the recycling trough (14). A spring (15) is arranged inside the recycling trough (14). One end of the spring (15) is fixedly connected to the recycling plate (16), and the other end of the spring (15) is fixedly connected to the inner wall of the recycling trough (14). A hot pressing device (10) is installed on the side of the pressure plate (7) near the pressure frame (8).
2. The nut automatic weighing, filling, and sealing integrated packaging machine according to claim 1, characterized in that: A rubber block (17) is fixedly connected to the recycling plate (16).
3. The nut automatic weighing, filling, and sealing integrated packaging machine according to claim 1, characterized in that: The frame (2) has a sliding plate (3) inside, and an electronic scale (4) is installed on the top of the sliding plate (3).
4. The nut automatic weighing, filling, and sealing integrated packaging machine according to claim 3, characterized in that: Both ends of the slide plate (3) are fixedly connected to vertical plates (11), and a second electric push rod (12) is fixedly connected to the vertical plate (11). The corresponding pressure plate (7) is fixedly connected to the telescopic end of the second electric push rod (12).
5. The nut automatic weighing, filling, and sealing integrated packaging machine according to claim 3, characterized in that: The frame (2) is fixedly connected to a first electric push rod (5), and the slide plate (3) is fixedly connected to the telescopic end of the first electric push rod (5).
6. The nut automatic weighing, filling, and sealing integrated packaging machine according to claim 1, characterized in that: A hopper (6) is installed at the top of the frame (2), and an electric material valve (18) is installed at the bottom of the hopper (6).