Sealing machine vacuum pump station group and control system

Through the vacuum pump station group and control system of the sealer, the start and stop of the vacuum pump is dynamically adjusted, which solves the sound and noise and energy consumption of the sealer, and realizes efficient power management and stable operation of the sealer.

CN120482476AActive Publication Date: 2025-08-15FUJIAN SUNNER DEV

Patent Information

Application Number
CN202510876803.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-27
Publication Date
2025-08-15
Estimated Expiration
2045-06-27

AI Technical Summary

Technical Problem

During the sealing process of existing sealing machines, independent vacuum pumps lead to increased sound and noise pollution and energy consumption, and the interrupted operation of the sealing machines leads to waste of electricity.

Method used

The vacuum pump station group and control system of the sealing machine are adopted. The start and stop of the vacuum pump is uniformly controlled by the controller. The number of pump units is dynamically adjusted according to the number of sealing machines used, and combined with the gas storage tank and the gas supply bus conduit, the efficient management of the vacuum pump is achieved.

Benefits of technology

It effectively reduces the sound and noise pollution during the sealing machine operation, reduces power consumption, and improves the operating efficiency and power utilization of the sealing machine.

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Abstract

The invention discloses a sealing machine vacuum pump station group and a control system, comprising a pump station box, a sound absorption box top mounted on the top of the pump station box, a box inner bin formed in the pump station box, side fixed beams mounted on the front and rear inner walls of the pump station box, an air supply confluence conduit arranged in front of the side fixed beams, an even number of vertical frame beam plates fixed on the side fixed beams, and a pump group mounted in the box inner bin, a wire box frame is installed on the inner surface of the box inner bin, an even number of air storage tanks are arranged beside the pump set, and a controller is arranged beside the pump set. Unified regulation and control of a pump set are completed through a built-in system of the controller, the system confirms to start a corresponding number of vacuumizing pumps in a pump station through the compressed air storage amount according to the use number of external sealing machines so as to supply air to an air storage tank of the pump station, however, the corresponding number of vacuumizing pumps are correspondingly stopped due to the fact that the use number of the sealing machines is reduced, and the air supply efficiency is improved. And meanwhile, matched operation of the sealing machine can be met, the problem of energy consumption increase caused by restarting of the sealing machine when the sealing machine stops is indirectly solved, and the electric energy consumption is saved.
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Description

Technical Field

[0001] The present invention relates to the technical field of pump group equipment, in particular to a sealing machine vacuum pump station group and a control system. Background Art

[0002] Sealing machines are mainly used to seal packaging containers to ensure the sealing and integrity of the products. Their basic characteristics include high efficiency, stability and ease of operation. High efficiency is reflected in the fast sealing speed, which can improve production efficiency; stability is reflected in the stable and reliable sealing quality, which reduces the defective product rate; ease of operation makes it easy for operators to get started, reducing the difficulty of operation.

[0003] However, the existing technology has the following deficiencies: currently, during the sealing process of food, an independent vacuum pump is equipped in the sealing machine to cooperate with the sealing work. However, since the independent vacuum pump is running in the food area, the noise not only affects the working environment of the food packaging area, but also the intermittent operation of the independent vacuum pump to the sealing machine will be stagnant for a certain period of time. When it is operated again, it needs to be operated again to generate a negative pressure of MPa before it can be operated again. At the same time, the energy consumption of the corresponding vacuum sealing machines is increased to a certain extent, resulting in a waste of electricity. Summary of the Invention

[0004] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the structures particularly pointed out in the description and other drawings.

[0005] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a sealing machine vacuum pump station group and control system, which completes the energy supply to the sealing machine through the controller. As the number of sealing machines in use increases, the vacuum pump in the corresponding pump group that meets the vacuum energy consumption demand is turned on, thereby reducing the operation of the vacuum pump and meeting the actual compressed air usage of the sealing machine.

[0006] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a sealing machine vacuum pump station group and control system, including a pump station box, a sound-absorbing box top is installed on the top of the pump station box, an inner box warehouse is formed in the pump station box, and the front and rear inner walls of the pump station box are installed with side fixing beams, and an air supply convergence duct is provided in front of the side fixing beam. An even number of vertical beam plates are fixed on the side fixing beams, a pump group is installed in the inner box warehouse, a wire box frame is installed on the inner surface of the inner box warehouse, an even number of gas storage tanks are provided next to the pump group, and compressed air external ducts are connected between the gas storage tanks, and a controller is provided next to the pump group; a number of support frames are provided in the pump group, and a vacuum pump is installed on the support frames, a sensor controller is installed on the vacuum pump, and an air guide pipe is provided on the vacuum pump.

[0007] The present invention is further improved in that a plurality of insect-proof windows are installed on the pump station box, a rear sealing plate is installed on the pump station box, a closing door is installed on the pump station box, the rear wall and the other three walls of the pump station box are provided with window frames, an even number of top window rods are installed on the window frames, and a plurality of beam support pipe clamps are fixed on the surface of the side fixing beam.

[0008] The present invention is further improved in that a connecting flange is installed at one end of the air supply conduit, a sealing pipe cover is installed at the other end of the air supply conduit, a plurality of external connecting pipes are provided on the air supply conduit, a hinged seat is installed on the vertical beam plate, an anti-slip plate is installed on the hinged seat, and a connecting threaded sleeve is provided below the hinged seat.

[0009] The present invention is further improved in that an axis socket is provided at the top of the anti-slip plate, a threaded oil-connected threaded rod is threadedly connected at the middle position of the anti-slip plate, a spiral support is installed on the threaded rod, a locking nut is installed on the threaded rod, a fixed vertical plate is fixed at the end of the anti-slip plate, an embedded interconnecting pipe is fixed on the fixed vertical plate, and quick-connect pipe connectors are installed at both ends of the embedded interconnecting pipe.

[0010] The present invention is further improved in that the air duct is connected to the vertical frame beam plate and the air supply and convergence duct, the sensor controller is electrically coordinated with the controller, the support frame is fixed to the inner surface of the box warehouse, and the gas storage tank is connected to the air supply and convergence duct.

[0011] The present invention is further improved in that the controller controls an even number of the pump groups, each of which is divided into several vacuum pumps. The controller completes the opening of any number of vacuum pumps in the pump group through control, and the end of the compressed air outer conduit is used to supply energy for the operation of the sealing machine.

[0012] The present invention is further improved, wherein one of the quick-connect pipe connectors is connected to the air duct, wherein the other quick-connect pipe connector is connected to the external connecting pipe, the shaft socket is connected to the hinge seat through an axle rod, the spiral support bracket is pressed against the lower surface of the anti-slip swing plate, and the locking nut is fixed to the upper surface of the anti-slip swing plate.

[0013] As a further improvement to the present invention, the embedded interconnecting pipe is in an "S" shape as a whole, so as to complete the height difference compensation and remain stable under the embedding effect of the fixed vertical plate.

[0014] The present invention is further improved in that the top of the insect-proof window is nested into the top of the sound-absorbing box, the insect-proof window is limited and slides up and down by the window frame, the top window rod supports the surface of the lower beam of the insect-proof window through the rod body, and the pipe support clamp on the beam is used for the installation of the air supply and convergence duct.

[0015] The control system of the sealing machine vacuum pump station group includes the sealing machine vacuum pump station group described above.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention completes the unified regulation of the pump group through the built-in system of the controller. As the number of external sealing machines in use increases, the system confirms the opening of the corresponding number of vacuum pumps in the pump station through the amount of compressed air stored to supply air to its gas tank. However, as the number of sealing machines in use decreases, the corresponding number of vacuum pumps will be stopped accordingly. At the same time, the matching operation of the sealing machines can be met, thereby indirectly eliminating the problem of increased energy consumption caused by restarting the sealing machine when it is stagnant, and saving electricity.

[0017] 2. The present invention moves the vacuum pump for the sealing machine outward as a whole and stores the vacuum pump station group in conjunction with a pump station box. At the same time, it can also avoid the noise impact on the sealing machine use area and surrounding areas caused by the operation of the vacuum pump assembled on the sealing machine.

[0018] 3. The present invention quickly completes the quick connection of the air supply conduit and the air guide pipe by installing a foldable fixed vertical plate on the swing plate to embed the interconnecting pipe in cooperation with the quick-connect pipe connectors set at both ends, and completes the stability of the embedded interconnecting pipe with the cooperation of the connecting threaded rod and its spiral support and locking nut on the anti-slip swing plate to prevent the vibration generated by the operation of the vacuum pump from causing the loosening of the pipe joints. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of a vacuum pump station group and control system for a sealing machine according to the present invention; Figure 2 This is a schematic diagram of the internal structure of the box inner bin in a vacuum pump station group and control system of a sealing machine of the present invention; Figure 3 This is a schematic diagram of the inner wall structure of a vacuum pump station group and a pump station box in a control system of a sealing machine according to the present invention; Figure 4 This is a schematic diagram of the top view of the structure of the box inner bin in a vacuum pump station group and control system of a sealing machine of the present invention; Figure 5 This is a schematic diagram of the three-dimensional structure of a vacuum pump station group and a pump group in a control system of a sealing machine according to the present invention; Figure 6 This is a schematic diagram of the three-dimensional structure of an anti-slip plate in a vacuum pump station group and control system of a sealing machine according to the present invention; Figure 7 This is a schematic diagram of the layout structure of a vacuum pump station group and control system of a sealing machine of the present invention; Figure 8 The figure is a schematic diagram of the operation flow of a vacuum pump station group and control system of a sealing machine of the present invention.

[0020] In the figure: pump station box 1, insect-proof window 2, sound-absorbing box top 3, box interior 4, closing door 5, rear sealing plate 6, side fixing beam 11, window frame 12, air supply and flow duct 13, vertical beam plate 14, top window rod 15, pump group 41, wire box frame 42, air storage tank 43, controller 44, compressed air external duct 45, beam support pipe clamp 111, connecting flange 131, external connecting pipe 132, sealing pipe cover 133, hinged seat 141, anti-slip swing plate 142, connecting threaded sleeve 143, supporting frame 411, vacuum pump 412, sensor controller 413, air guide pipe 414, shaft socket 1421, connecting threaded rod 1422, spiral support 1423, locking nut 1424, fixed vertical plate 1425, embedded interconnecting pipe 1426, quick-connect connector 1427. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but are not intended to limit the present invention.

[0022] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the present invention, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed connections, removable connections, or integration; they may refer to direct connections or indirect connections through an intermediate medium; they may refer to internal communication between two components or interactions between two components. However, the term "direct connection" indicates that the two connected entities are not connected through a transitional structure, but are connected solely through a connecting structure to form a single entity. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.

[0024] In the present invention, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0025] The present invention will be further described below with reference to the accompanying drawings: Example 1

[0026] As attached Figure 1 To the attached Figure 2 , Attachment Figure 7 , Attachment Figure 8 As shown: This embodiment provides a sealing machine vacuum pump station group and control system, including a pump station box 1, a sound-absorbing box top 3 is installed on the top of the pump station box 1, an inner box warehouse 4 is formed in the pump station box 1, side fixing beams 11 are installed on the front and rear inner walls of the pump station box 1, an air supply convergence duct 13 is arranged in front of the side fixing beam 11, an even number of vertical beam plates 14 are fixed on the side fixing beam 11, a pump group 41 is installed in the inner box warehouse 4, a wire box frame 42 is installed on the inner surface of the inner box warehouse 4, an even number of gas storage tanks 43 are arranged next to the pump group 41, compressed air external ducts 45 are connected between the gas storage tanks 43, and a controller 44 is arranged next to the pump group 41; a number of support platforms 411 are arranged in the pump group 41, and vacuum pumps 412 are installed on the support platforms 411, the vacuum pumps 412 are installed with sensor controllers 413, and the vacuum pumps 412 are provided with air guide pipes 414.

[0027] Furthermore, the controller 44 also includes a pressure value calculation processor, a communication module, a sensor, a power supply, etc.

[0028] Furthermore, the controller 44 is independently connected to each vacuum pump 412, and the usage of the built-in sealing machine is combined with the compressed air measurement of the meter to assist the controller 44 in determining the number of vacuum pumps 412.

[0029] Furthermore, the controller 44 adjusts the amount of compressed air required by each sealing machine by subtracting 500 MPa from the maximum MPa pressure that each vacuum pump 412 can generate.

[0030] Furthermore, two air storage tanks 43 are provided, which are interconnected by a compressed air external conduit 45 , and the compressed air supply and distribution required for the sealing machine are completed through the compressed air external conduit 45 .

[0031] The specific working principle is as follows: The present invention arranges the pump station box 1 outside the factory area and closes it through a closing door 5. During use, the pump group 41 is controlled by the controller 44 and wired in the wire box frame 42 to prevent the wiring harness from being intertwined, and each independent vacuum pump 412 is powered. When the internal sealing machine is turned on and used, the controller 44 cooperates with the meter to determine its compressed air flow rate. When the number of operating sealing machines increases, the number of vacuum pumps 412 is increased accordingly. A small number of vacuum pumps 412 are used to meet the use of a large number of sealing machines, and the operating status of each sealing machine is guaranteed. Compared with the traditional one-to-one sealing machine with a vacuum pump, it indirectly ensures the normal operation of the sealing machine while reducing the number of vacuum pumps used, and correspondingly saves the electric energy consumed by the vacuum pump to meet the operation of the sealing machine. Example 2

[0032] As attached Figure 5 To the attached Figure 6 As shown: Among them, one end of the air supply and confluence duct 13 is installed with a connecting flange 131, and the other end of the air supply and confluence duct 13 is installed with a sealing pipe cover 133. Several external connecting pipes 132 are arranged on the air supply and confluence duct 13, and a hinge seat 141 is installed on the vertical beam plate 14, and an anti-slip swing plate 142 is installed on the hinge seat 141. A connecting threaded sleeve 143 is provided below the hinge seat 141, and an axis socket 1421 is provided at the top of the anti-slip swing plate 142. The middle section of the anti-slip swing plate 142 is threadedly connected to an oil-connected threaded rod 1422, a spiral support 1423 is installed on the threaded rod 1422, and a locking nut 1424 is installed on the threaded rod 1422. A fixed vertical plate 1425 is fixed at the end of the anti-slip swing plate 142, and an embedded interconnection pipe 1426 is fixed on the fixed vertical plate 1425. Quick-connect pipe connectors 1427 are installed at both ends of the embedded interconnection pipe 1426.

[0033] Furthermore, the anti-slip plate 141 is fixed to the hinge seat 141 through the shaft socket 1421, and the fixed vertical plate 1425 can be adjusted in angle without being fixed and locked, and the angle adjustment is completed by the embedded interconnecting tube 1426 embedded in the fixed vertical plate 1425.

[0034] Furthermore, the anti-slip swing plate 142 is supported by a spiral support 1423 at the bottom and fixed on the top by a locking nut 1424. The two cooperate with the threaded rod 1422 to position the anti-slip swing plate 142, allowing it to indirectly fix the embedded interconnection tube 1426.

[0035] The specific working principle is as follows: The present invention fixes the side fixing beam 11 to the inner wall of the pump station box 1, and the surface-mounted beam support pipe clamp 111 completes the support of the gas supply conduit 13, and the vertical beam frame plate 14 connected to the upper surface of the side fixing beam 11 is fixed to its anti-slip swing plate 142 through the surface hinge seat 141, allowing the shaft to pass through and form a hinged swing after the shaft is inserted into the hole 1421. The swing is connected to the fixed vertical plate 1425 to keep it between the required connecting pipes. The fixed vertical plate 1425 can be adjusted before it is fixed to keep it vertical, and the embedded interconnecting pipe 1426 is fixed. The external connecting pipe 132 is connected to the air duct through the quick-connect connector 1427. When the vacuum pump 412 is operating, the compressed air is transmitted by the air duct 414 to the air supply conduit, and then input into the air tank connected to the connecting flange 131 at the end. The anti-swing plate 142, in cooperation with the connecting threaded rod 1422 and the spiral support 1423, clearly fixes the vertical plate 1425 firmly, thereby preventing the joint of the embedded interconnecting pipe 1426 from loosening due to vibration during the operation of the vacuum pump 412. Example 3

[0036] As attached Figure 3 As shown: Among them, several insect-proof windows 2 are installed on the pump station box 1, a rear sealing plate 6 is installed on the pump station box 1, a closing door 5 is installed on the pump station box 1, and the other three walls of the rear wall of the pump station box 1 are all provided with window frame frames 12, an even number of top window rods 15 are installed on the window frame frames 12, and several beam support pipe clamps 111 are fixed on the surface of the side fixing beam 11.

[0037] The specific working principle is as follows: The present invention limits the insect-proof window 2 by means of a window frame 12 provided on the inner wall of the pump station box 1, and the insect-proof window 2 is fixed by a top window rod 15, and the insect-proof window 2 is partially nested in the top 3 of the sound-absorbing box to form a seal, and the surface of the insect-proof window 2 is magnetically covered by a magnetic filter screen, thereby preventing insect pests from entering while maintaining air circulation inside the pump station box 1, and causing harm to the pump unit or wiring harness. At the same time, after a certain period of use, the top window rod 15 can be disassembled, allowing the insect-proof window 2 to slide down along the window frame 12, making it easy to take out the magnetic filter screen for cleaning.

[0038] In combination with Examples 1-3, the system of the technical solution of the present application can determine the compressed air flow rate through the controller 44 in conjunction with the meter, and calculate the amount of compressed air used by cooperating with the pressure value calculation processor built into the controller 44 through the judgment of the flow rate, and then trigger the sensor controller 413 on the vacuum pump 412 through communication to complete the corresponding opening.

[0039] It should be understood that the embodiments disclosed herein are not limited to the specific processing steps or materials disclosed herein, but should extend to equivalent substitutions of such features understood by those skilled in the relevant art. It should also be understood that the terminology used herein is for the purpose of describing specific embodiments only and is not intended to be limiting.

[0040] The "embodiment" mentioned in the specification means that a particular feature or characteristic described in conjunction with the embodiment is included in at least one embodiment of the present invention. Therefore, the phrase or "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment.

[0041] Furthermore, the described features or characteristics may be combined in any other suitable manner into one or more embodiments. In the above description, some specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of the embodiments of the present invention. However, those skilled in the relevant art will appreciate that the present invention may be implemented without one or more of the above specific details or may be implemented using other methods, components, materials, etc.

Claims

1. A sealing machine vacuum pump station group, characterized in that, The invention comprises a pump station box (1), wherein a sound-absorbing box top (3) is installed on the top of the pump station box (1), an inner box compartment (4) is formed in the pump station box (1), side fixing beams (11) are installed on the front and rear inner walls of the pump station box (1), an air supply conduit (13) is provided in front of the side fixing beams (11), an even number of vertical beam plates (14) are fixed on the side fixing beams (11), a pump group (41) is installed in the inner box compartment (4), a wire box frame (42) is installed on the inner surface of the inner box compartment (4), an even number of gas storage tanks (43) are provided next to the pump group (41), a compressed air external conduit (45) is connected between the gas storage tanks (43), and a controller (44) is provided next to the pump group (41); A plurality of support stands (411) are provided in the pump group (41), each of the support stands (411) is equipped with a vacuum pump (412), a sensor controller (413) is installed on the vacuum pump (412), and an air guide tube (414) is provided on the vacuum pump (412).

2. The sealing machine vacuum pump station assembly according to claim 1, characterized in that: The pump station box (1) is provided with a plurality of insect-proof windows (2), a rear sealing plate (6) is provided on the pump station box (1), a closing door (5) is provided on the pump station box (1), the rear wall and the other three walls of the pump station box (1) are provided with window frames (12), an even number of top window rods (15) are provided on the window frames (12), and a plurality of beam support pipe clamps (111) are fixed on the surface of the side fixing beam (11).

3. The sealing machine vacuum pump station assembly according to claim 1, characterized in that: One end of the air supply conduit (13) is installed with a connecting flange (131), and the other end of the air supply conduit (13) is installed with a sealing pipe cover (133). A plurality of external connecting pipes (132) are provided on the air supply conduit (13). A hinge seat (141) is installed on the vertical beam plate (14), and an anti-swing plate (142) is installed on the hinge seat (141). A connecting threaded sleeve (143) is provided below the hinge seat (141).

4. The sealing machine vacuum pump station assembly according to claim 3, characterized in that: The anti-slip plate (142) has an axial insertion hole (1421) at the top, a threaded oil-connected threaded rod (1422) at the middle of the anti-slip plate (142), a spiral support (1423) is installed on the threaded rod (1422), a locking nut (1424) is installed on the threaded rod (1422), a fixed vertical plate (1425) is fixed to the end of the anti-slip plate (142), an embedded interconnection pipe (1426) is fixed on the fixed vertical plate (1425), and quick-connection pipe connectors (1427) are installed at both ends of the embedded interconnection pipe (1426).

5. The sealing machine vacuum pump station assembly according to claim 1, characterized in that: The air guide pipe (414) is connected to the vertical beam plate (14) and the air supply conduit (13); the sensor controller (413) and the controller (44) are electrically coordinated; the support frame (411) is fixed to the inner surface of the box interior (4); and the air storage tank (43) is connected to the air supply conduit (13).

6. The sealing machine vacuum pump station assembly according to claim 1, characterized in that: The controller (44) controls an even number of the pump groups (41), each of which is divided into a plurality of vacuum pumps (412). The controller (44) controls and starts any number of the vacuum pumps (412) in the pump group (41). The end of the compressed air outer conduit (45) is used to supply energy for the operation of the sealing machine.

7. The sealing machine vacuum pump station assembly according to claim 4, characterized in that: One of the quick-connect pipe connectors (1427) is connected to the air guide pipe (414), and the other quick-connect pipe connector (1427) is connected to the external connecting pipe (132). The shaft socket (1421) is connected to the hinge seat (141) through a shaft rod. The spiral support (1423) is pressed against the lower surface of the anti-slip plate (142), and the locking nut (1424) is fixed to the upper surface of the anti-slip plate (142).

8. The sealing machine vacuum pump station assembly according to claim 4, characterized in that: The embedded interconnecting tube (1426) is in an "S" shape as a whole, so as to compensate for the height difference and remain stable under the embedded action of the fixed vertical plate (1425).

9. The sealing machine vacuum pump station assembly according to claim 2, characterized in that: The top of the insect-proof window (2) is nested in the interior of the sound-absorbing box top (3), and the insect-proof window (2) is limited by the window frame (12) to slide up and down. The top window rod (15) supports the surface of the lower beam of the insect-proof window (2) through the rod body, and the beam support pipe clamp (111) is used to set up the air supply and confluence duct (13).

10. A control system for a sealing machine vacuum pump station group, applied to a sealing machine vacuum pump station group according to any one of claims 1 to 4, characterized in that: The invention comprises a sealing machine vacuum pump station group as described in any one of claims 1 to 4.

Citation Information

Patent Citations

  • Product packaging and automatic transferring system

    CN112373820A

  • Efficient and energy-saving pump station system

    CN115492197A

  • Disc filter system

    CN208824031U

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    CN208963363U

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