Rolling type vacuum packaging machine

Abstract

The utility model discloses a rolling type vacuum packaging machine which comprises a vacuum chamber, a vacuum meter, a water cooling water nozzle, a vacuum chamber air exhaust nozzle, a vacuum chamber stop valve, a pressurizing valve and a rack. The vacuum meter is installed on the vacuum chamber and used for monitoring the vacuum degree in the vacuum chamber. The water cooling water nozzle is arranged on the vacuum chamber and is used for providing cooling water to maintain the temperature of equipment; the vacuum chamber exhaust nozzle is connected to the vacuum chamber and is used for extracting air in the vacuum chamber; the vacuum chamber stop valve is installed on the vacuum system and used for controlling gas circulation between the vacuum chamber and the vacuum pump. The pressurizing valve is connected to the vacuum chamber and used for pressurizing the interior of the vacuum chamber; the rack is connected with the transmission mechanism and used for achieving transmission of mechanical motion. The vacuum packaging box is reasonable in structure, easy and convenient to operate, capable of effectively carrying out vacuum packaging on various objects, capable of prolonging the quality guarantee period and the fresh-keeping period and convenient to store and transport.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field especially relates to a rolling type vacuum packaging machine. BACKGROUND

[0002] Packaging technology is an indispensable part of modern industry and commerce, which plays a crucial role in product protection, preservation and shelf life extension. Among various packaging technologies, vacuum packaging is widely used due to its ability to effectively isolate oxygen, preventing product oxidation, mold growth, and rusting.

[0003] Currently, common vacuum packaging equipment on the market mainly includes desktop vacuum packaging machines and small vacuum sealers. Desktop vacuum packaging machines are simple to operate but have limited processing capacity, making them unsuitable for mass production. Small vacuum sealers are compact but have limited functionality, making them unable to meet the packaging needs of various types of items.

[0004] More advanced continuous vacuum packaging machines have high efficiency but are complex in structure, high in maintenance cost, and have limitations when handling special-shaped or fragile items. In addition, such equipment requires a long adjustment time when switching between different packaging items, reducing production efficiency.

[0005] Traditional vacuum packaging machines also have some technical problems during use, such as inaccurate vacuum control, leading to unstable packaging results; imperfect cooling systems, causing overheating during long-term operation; poor vacuum chamber sealing performance, affecting vacuum degree; complex operation, low automation level, etc. These problems seriously affect packaging efficiency and quality, making it difficult to meet the needs of modern industrial production and commercial circulation. SUMMARY

[0006] In view of this, the present application provides a rolling type vacuum packaging machine, which solves the problems of inaccurate vacuum control, imperfect cooling system, poor vacuum chamber sealing performance, complex operation, and low automation level in the prior art.

[0007] The present application provides a rolling type vacuum packaging machine, which includes:

[0008] A vacuum chamber for placing items to be packaged;

[0009] A vacuum gauge installed on the vacuum chamber for monitoring the vacuum degree in the vacuum chamber;

[0010] A water cooling nozzle provided on the vacuum chamber for providing cooling water to maintain equipment temperature;

[0011] A vacuum chamber air extraction nozzle connected to the vacuum chamber for extracting air from the vacuum chamber;

[0012] A vacuum chamber stop valve is installed on the vacuum system for controlling the gas flow between the vacuum chamber and the vacuum pump;

[0013] A pressurizing valve is connected to the vacuum chamber for pressurizing the vacuum chamber;

[0014] A rack is connected to the transmission mechanism for realizing the transmission of mechanical movement.

[0015] A plurality of leg belt cylinders are installed on the rolling vacuum packaging machine frame for providing pneumatic force to realize specific movement;

[0016] A plurality of feet are installed at the bottom of the rolling vacuum packaging machine for supporting the entire rolling vacuum packaging machine and providing stability;

[0017] An adjustment plate is installed on the rolling vacuum packaging machine frame for adjusting the working parameters or position of the rolling vacuum packaging machine.

[0018] The vacuum gauge is installed on the top of the vacuum chamber for real-time monitoring of the vacuum degree in the vacuum chamber; the vacuum gauge is connected to the inside of the vacuum chamber through a pipeline; the display surface of the vacuum gauge faces the side of the operator, facilitating the operator to observe the change of the vacuum degree in the vacuum chamber.

[0019] The water cooling nozzle is provided on the side of the vacuum chamber and connected to the cooling system; the cooling system includes a water pump, a cooling water tank and a cooling water pipeline; the water cooling nozzle is connected to the cooling water tank through the cooling water pipeline, and the water pump is used to drive the cooling water to circulate in the cooling system.

[0020] The vacuum chamber stop valve and the pressurizing valve are automatically controlled by a PLC control system; the vacuum chamber stop valve is opened during the vacuumizing process and closed after reaching the preset vacuum degree; the pressurizing valve is opened after the vacuum packaging is completed, so that the pressure in the vacuum chamber returns to atmospheric pressure, facilitating the opening of the vacuum chamber to take out the packaged articles.

[0021] The leg belt cylinder includes a cylinder body, a piston rod and a cylinder end cover; the cylinder body is fixed on the rolling vacuum packaging machine frame, one end of the piston rod is connected to the movable part; the leg belt cylinder is controlled by a gas circuit control system for driving the opening and closing action of the vacuum chamber and assisting in completing the conveying and positioning of the packaged articles.

[0022] Also include a control system, the control system includes PLC controller, operation panel and a plurality of proximity switches;The operation panel is equipped with computer screen, stop button, work button and switch button;The proximity switch includes upper proximity switch and lower proximity switch, for detecting the position state of the vacuum chamber;The control system controls the operation of the vacuum pump, the lifting vacuum chamber and the conveying belt through a plurality of contactors.

[0023] The vacuum chamber is a semicircular cover, which can be opened and closed up and down along the hinge point;The bottom of the vacuum chamber is provided with a sealing ring, which forms a sealed connection between the sealing ring and the base when the vacuum chamber is closed;The rack is engaged with the gear mechanism, and the gear mechanism is connected to the motor, which drives the gear to drive the rack to move, realizing the conveying of the packaged goods.

[0024] The bottom foot is an adjustable height support foot, which includes a base, an adjusting screw and a locking device;A plurality of through holes are provided on the adjusting plate for mounting the fixing member;The height and inclination angle of the adjusting plate can be adjusted by the adjusting screw to adapt to different working environments and requirements;A level gauge is also provided on the adjusting plate to assist in adjusting the levelness of the rolling vacuum packaging machine.

[0025] The rolling vacuum packaging machine is suitable for vacuum packaging of plastic composite film bags or aluminum foil composite film bags, various solid, powdery objects, liquids containing various raw and cooked foods, meat products, sauce products, fruits, grains, medicinal materials, chemicals, precision instruments, clothing, hardware products, electronic components.

[0026] The application has the following technical effects:

[0027] Through the precise vacuum degree monitoring and control system, the precise control of the vacuum degree during the packaging process is realized, and the packaging quality and stability are improved.

[0028] The perfect water cooling system effectively maintains the equipment temperature, ensures the reliability and stability of long-time operation, and prolongs the service life of the equipment.

[0029] The PLC control system and the plurality of proximity switches are adopted to realize the automatic control of the packaging process, simplify the operation procedure, and improve the work efficiency and safety. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a structural schematic view of the rolling vacuum packaging machine of the utility model;

[0031] Figure 2 It is a wiring schematic view of the rolling vacuum packaging machine of the utility model;

[0032] Figure 3 It is a water cooling system schematic view of the rolling vacuum packaging machine of the utility model;

[0033] Figure 4 It is the vacuum chamber structure schematic diagram of the rolling type vacuum packaging machine of the utility model;

[0034] Figure 5 It is the bottom structure schematic diagram of the rolling type vacuum packaging machine of the utility model.

[0035] Mark explanation: 1-vacuum chamber;2-vacuum gauge;3-water cooling nozzle;4-vacuum chamber air extraction nozzle;5-vacuum chamber stop valve;6-pressurizing valve;7-rack;8-leg belt cylinder;9-bottom;10-adjusting plate. Specific implementation

[0036] The utility model is further explained below in combination with the drawings and examples.

[0037] As Figure 1 And Figure 2 The utility model provides a rolling type vacuum packaging machine, including vacuum chamber 1, vacuum gauge 2, water cooling nozzle 3, vacuum chamber air extraction nozzle 4, vacuum chamber stop valve 5, pressurizing valve 6, rack 7, leg belt cylinder 8, bottom 9 and adjusting plate 10.

[0038] Vacuum chamber 1 is the core component of the whole device, is used to place the goods needing packaging. Vacuum chamber 1 is semicircular cover shape, can be opened and closed along the hinge point up and down, is convenient for putting in and taking out packaging goods. The bottom of vacuum chamber 1 is equipped with sealing ring, when vacuum chamber 1 closes, sealing ring and base form sealed connection between, ensure that there is no air leakage in the process of vacuumizing. The material of vacuum chamber 1 is corrosion-resistant, high-strength metal material, can bear the pressure difference in the process of vacuumizing, and has good sealing performance.

[0039] As Figure 4 The utility model discloses a rolling type vacuum packaging machine, including vacuum chamber 1, vacuum gauge 2, water cooling nozzle 3, vacuum chamber air extraction nozzle 4, vacuum chamber stop valve 5, pressurizing valve 6, rack 7, leg belt cylinder 8, bottom 9 and adjusting plate 10.

[0040] A vacuum gauge 2 is installed on the top of the vacuum chamber 1 for real-time monitoring of the vacuum degree in the vacuum chamber 1. The vacuum gauge 2 is connected to the inside of the vacuum chamber 1 through a pipeline, which can accurately reflect the vacuum state in the vacuum chamber 1. The display surface of the vacuum gauge 2 faces the side of the operator, which is convenient for the operator to observe the change of the vacuum degree in the vacuum chamber 1. The vacuum gauge 2 adopts a high-precision pressure sensor, has a wide measurement range and high precision, and can accurately display the vacuum degree in the vacuum chamber 1, providing reliable reference data for the packaging process.

[0041] As shown in Figure 3 The rolling type vacuum packaging machine of the utility model is equipped with a perfect water cooling system, which includes a water cooling nozzle 3, a cooling water pipeline, a cooling water tank and a water pump. The water cooling nozzle 3 is arranged on the side of the vacuum chamber 1 and connected to the cooling water tank through the cooling water pipeline. The water pump is installed in the cooling system and used to drive the cooling water to circulate in the system. The cooling water is pumped out from the cooling water tank by the water pump, transported to the water cooling nozzle 3 through the cooling water pipeline, and then returned to the cooling water tank, forming a closed loop circulation system. This water cooling system can effectively reduce the temperature of the vacuum chamber 1 and related components during long-time operation, prevent the aging of the sealing ring and the performance degradation of the equipment caused by overheating, and improve the operation stability and service life of the equipment.

[0042] The water cooling nozzle 3 is arranged on the side of the vacuum chamber 1 and connected to the cooling system. The cooling system includes a water pump, a cooling water tank and a cooling water pipeline. The water cooling nozzle 3 is connected to the cooling water tank through the cooling water pipeline, and the water pump is used to drive the cooling water to circulate in the cooling system. Through the water cooling system, the temperature of the vacuum chamber 1 and related components can be effectively controlled to prevent overheating caused by long-time operation, improve the operation stability and service life of the equipment. According to actual needs, the working frequency and water flow of the water pump can be adjusted to adapt to the needs of different working environments and working loads.

[0043] The vacuum chamber air outlet 4 is connected to the vacuum chamber 1 for extracting air in the vacuum chamber 1. The vacuum chamber air outlet 4 is connected to the vacuum pump through a vacuum pipeline, and the vacuum pump is located at the bottom of the machine and driven to operate by a motor. The position of the vacuum chamber air outlet 4 is reasonably designed to ensure that the air in the vacuum chamber 1 is uniformly extracted, avoiding the situation of insufficient local vacuum degree. The size of the vacuum chamber air outlet 4 is matched with the air extraction capacity of the vacuum pump to ensure rapid and effective vacuum extraction.

[0044] A vacuum chamber stop valve 5 is installed on the vacuum system for controlling the gas flow between the vacuum chamber 1 and the vacuum pump. The vacuum chamber stop valve 5 is composed of a solenoid valve and is automatically controlled by the PLC control system. During the vacuumizing process, the vacuum chamber stop valve 5 is opened to enable the vacuum pump to extract air in the vacuum chamber 1; after reaching the preset vacuum degree, the vacuum chamber stop valve 5 is closed to cut off the connection between the vacuum chamber 1 and the vacuum pump, maintaining the vacuum state in the vacuum chamber 1. The design of the vacuum chamber stop valve 5 takes into account the air tightness and durability, which can maintain stable performance under the working condition of frequent opening and closing.

[0045] A pressurizing valve 6 is connected to the vacuum chamber 1 for pressurizing the vacuum chamber 1. The pressurizing valve 6 is also composed of a solenoid valve and is automatically controlled by the PLC control system. After the completion of vacuum packaging, when it is necessary to open the vacuum chamber 1 to take out the packaged goods, the pressurizing valve 6 is opened to allow external air to enter the vacuum chamber 1, so that the pressure in the vacuum chamber 1 returns to atmospheric pressure, facilitating the opening of the vacuum chamber 1 to take out the packaged goods. The opening speed of the pressurizing valve 6 can be adjusted by a throttle valve to control the rate of pressure recovery in the vacuum chamber 1, preventing pressure surges from affecting the packaged goods.

[0046] A rack 7 is connected to the transmission mechanism for realizing the transmission of mechanical motion. The rack 7 is engaged with a gear mechanism, which is connected to a motor. The motor drives the gear to move the rack 7, realizing the conveying of the packaged goods. The rack 7 is made of high-strength material and its surface is hardened, having good wear resistance and rigidity, which can maintain stable transmission accuracy in long-term use. The engagement gap between the rack 7 and the gear is precisely adjusted to ensure smooth transmission and low noise.

[0047] A leg belt cylinder 8 is installed on the frame of the rolling vacuum packaging machine for providing pneumatic force to realize specific motion. The leg belt cylinder 8 includes a cylinder body, a piston rod and a cylinder end cover. The cylinder body is fixed on the frame of the rolling vacuum packaging machine, and one end of the piston rod is connected to a movable part. The leg belt cylinder 8 is controlled by a gas circuit control system for driving the opening and closing actions of the vacuum chamber 1, as well as assisting in the conveying and positioning of the packaged goods. The leg belt cylinder 8 is a double-acting cylinder that can realize reciprocating motion, and the inside of the cylinder is precisely machined with good sealing performance and stable and reliable action.

[0048] As Figure 5As shown, the bottom foot 9 is an adjustable height support foot, including a base, an adjusting screw and a locking device. The base directly contacts the ground, providing stable support; the adjusting screw connects the base and the machine frame, and the height of the bottom foot 9 can be changed by rotating the adjusting screw; the locking device is used to fix the adjusted height to prevent loosening during use. The adjusting plate 10 is installed on the frame of the rolling vacuum packaging machine, used to adjust the working parameters or position of the machine. The adjusting plate 10 is provided with a plurality of through holes for installing fixing members to firmly fix the adjusting plate 10 on the machine frame. The height and inclination angle of the adjusting plate 10 can be adjusted by the adjusting screw to adapt to different working environments and requirements. The adjusting plate 10 is also provided with a level meter to assist in adjusting the levelness of the rolling vacuum packaging machine, ensuring that the machine maintains a horizontal state during operation, improving packaging quality and equipment running stability. By adjusting the height of different bottom feet 9, the levelness of the entire machine can be changed to adapt to different ground conditions, ensuring that the equipment can run stably in various working environments.

[0049] The bottom foot 9 is installed at the bottom of the rolling vacuum packaging machine, used to support the entire rolling vacuum packaging machine and provide stability. The bottom foot 9 is an adjustable height support foot, including a base, an adjusting screw and a locking device. By adjusting the screw, the height of the bottom foot 9 can be adjusted to keep the rolling vacuum packaging machine in a horizontal state, adapting to different working environments and ground conditions. The base of the bottom foot 9 is made of anti-skid material, increasing the friction with the ground, improving the stability of the equipment and reducing vibration during operation.

[0050] The adjusting plate 10 is installed on the frame of the rolling vacuum packaging machine, used to adjust the working parameters or position of the rolling vacuum packaging machine. The adjusting plate 10 is provided with a plurality of through holes for installing fixing members. The height and inclination angle of the adjusting plate 10 can be adjusted by the adjusting screw to adapt to different working environments and requirements. The adjusting plate 10 is also provided with a level meter to assist in adjusting the levelness of the rolling vacuum packaging machine, ensuring that the equipment maintains a stable state during operation.

[0051] The utility model also includes a control system, and the control system includes PLC controller, operation panel and a plurality of proximity switches. The operation panel is equipped with computer screen, stop button, work button and switch button, and is convenient for operator to carry out various operation control. The proximity switch includes upper proximity switch and lower proximity switch, and is used for detecting the position state of vacuum chamber 1, ensures that vacuum chamber 1 can carry out next operation only when being in correct position, increases the safety of equipment. The control system controls the operation of vacuum pump, lifting vacuum chamber 1 and conveying belt through a plurality of contactors, realizes the automatic control of entire packaging process.

[0052] Working process:

[0053] First, turn on the main power line (380 volts), connect the vacuum pump line, and open the circuit breaker.

[0054] Press the KM2 contactor to raise the upper working chamber. Press the KM4 contactor to check if the conveyor belt is rotating in the correct direction. If the conveyor belt is rotating in the reverse direction, the main power line needs to be phase-changed. Press the KM1 contactor to check if the vacuum pump is rotating in the correct direction. If the vacuum pump is rotating in the reverse direction, the main power line needs to be phase-changed at the M1 terminal.

[0055] After confirming that the above steps are normal, turn on the power switch and press the working button to start working. If it does not work, check if the upper proximity switch is in place. If the upper proximity switch is not in place, turn off the power switch and press the KM2 contactor to reach the upper proximity switch position.

[0056] During operation, the entire packaging process can be controlled through the buttons on the operation panel. After vacuum packaging is completed, the pressure in the vacuum chamber 1 is restored to atmospheric pressure by adding pressure to the vacuum chamber 1 through the pressure valve 6, and then the vacuum chamber 1 is opened to take out the packaged goods.

[0057] The rolling vacuum packaging machine is suitable for plastic composite film bags or aluminum foil composite film bags, and can vacuum package various solid, powdery objects, liquids containing various raw and cooked foods, meat products, sauce products, fruits, grains, medicinal materials, chemicals, precision instruments, clothing, hardware products, electronic components, etc. Through vacuum packaging, the packaged goods can achieve the purposes of oxygen isolation, freshness preservation, mold prevention, rust prevention, moth prevention, pollution prevention, etc., effectively prolong the shelf life and freshness preservation period, and facilitate storage and transportation.

[0058] The above-described embodiments are only preferred technical solutions of the present application and should not be regarded as limiting the protection scope of the present application. The protection scope of the present application should be subject to the claims. Without departing from the design concept of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art should be included within the protection scope of the present application.

Claims

1. A rolling vacuum packaging machine, characterized in that, include: A vacuum chamber for holding items that need to be packaged; A vacuum gauge is mounted on the vacuum chamber for monitoring the vacuum level inside the chamber; A water cooling nozzle is disposed on the vacuum chamber for supplying cooling water to maintain the equipment temperature; A vacuum chamber evacuation nozzle is connected to the vacuum chamber and is used to extract air from the vacuum chamber. A vacuum chamber shut-off valve, which is installed on a vacuum system, is used to control the gas flow between the vacuum chamber and the vacuum pump; A pressure valve, connected to the vacuum chamber, is used to pressurize the vacuum chamber; A rack, which is connected to a transmission mechanism, is used to transmit mechanical motion.

2. The rolling vacuum packaging machine according to claim 1, characterized in that, Also includes: Multiple leg-belt cylinders are mounted on the frame of the rolling vacuum packaging machine to provide pneumatic power to achieve specific movements; Multiple feet are mounted on the bottom of the rolling vacuum packaging machine to support the entire rolling vacuum packaging machine and provide stability; An adjustment plate is mounted on the frame of the rolling vacuum packaging machine for adjusting the operating parameters or position of the rolling vacuum packaging machine.

3. The rolling vacuum packaging machine according to claim 1, characterized in that, The vacuum gauge is installed on the top of the vacuum chamber to monitor the vacuum level inside the chamber in real time. The vacuum gauge is connected to the interior of the vacuum chamber via a pipeline. The display side of the vacuum gauge faces the operator, making it easy for the operator to observe changes in the vacuum level inside the chamber.

4. The rolling vacuum packaging machine according to claim 1, characterized in that, The water cooling nozzle is located on the side of the vacuum chamber and is connected to the cooling system; the cooling system includes a water pump, a cooling water tank, and cooling water pipes; the water cooling nozzle is connected to the cooling water tank through the cooling water pipes, and the water pump is used to drive the cooling water to circulate in the cooling system.

5. The rolling vacuum packaging machine according to claim 1, characterized in that, The vacuum chamber shut-off valve and the pressurizing valve are automatically controlled by a PLC control system; the vacuum chamber shut-off valve opens during the vacuuming process and closes after the preset vacuum level is reached; the pressurizing valve opens after vacuum packaging is completed, so that the pressure inside the vacuum chamber returns to atmospheric pressure, making it easier to open the vacuum chamber and take out the packaged items.

6. The rolling vacuum packaging machine according to claim 2, characterized in that, The leg-belt cylinder includes a cylinder body, a piston rod, and a cylinder end cap; the cylinder body is fixed on the frame of the rolling vacuum packaging machine, and one end of the piston rod is connected to a movable part; the leg-belt cylinder is controlled by a pneumatic control system to drive the opening and closing of the vacuum chamber, and to assist in the conveying and positioning of packaged items.

7. The rolling vacuum packaging machine according to claim 1, characterized in that, It also includes a control system, which includes a PLC controller, an operation panel, and multiple proximity switches; the operation panel is equipped with a computer screen, a stop button, a work button, and a switch button; the proximity switches include a higher proximity switch and a lower proximity switch, used to detect the position status of the vacuum chamber. The control system controls the operation of the vacuum pump, the lifting vacuum chamber, and the conveyor belt through multiple contactors.

8. The rolling vacuum packaging machine according to claim 1, characterized in that, The vacuum chamber is a semi-circular dome that can be opened and closed along the hinge point. A sealing ring is provided at the bottom of the vacuum chamber. When the vacuum chamber is closed, the sealing ring and the base form a sealed connection. The rack meshes with a gear mechanism, which is connected to a motor. The motor drives the gear to move the rack, thereby realizing the conveying of packaged items.

9. The rolling vacuum packaging machine according to claim 2, characterized in that, The base is an adjustable support foot, including a base, an adjusting screw, and a locking device; the adjusting plate has multiple through holes for mounting fasteners; the height and tilt angle of the adjusting plate can be adjusted by the adjusting screw to adapt to different working environments and requirements; the adjusting plate is also equipped with a level for assisting in adjusting the levelness of the rolling vacuum packaging machine.

10. The rolling vacuum packaging machine according to any one of claims 1 or 9, characterized in that, The rolling vacuum packaging machine is suitable for vacuum packaging solid, powdery, and liquid objects containing various raw and cooked foods, meat products, sauces, fruits, grains, medicinal materials, chemicals, precision instruments, clothing, hardware products, and electronic components in plastic composite film bags or aluminum foil composite film bags.

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