Large-flow integrated vacuum generator

Abstract

The utility model relates to a large-flow integrated vacuum generator which comprises a rectangular confluence seat, a cross air channel and a first exhaust cavity are arranged in the rectangular confluence seat, and a first channel port and a second channel port which are respectively communicated with two ends of the cross air channel and a third channel port communicated with the first exhaust cavity are arranged on the upper surface of the rectangular confluence seat. According to the large-flow integrated vacuum generator, key components such as the vacuum generating assembly, the air inlet electromagnetic valve and the vacuum meter are integrated on the rectangular confluence seat, air path communication is achieved through a plurality of channels on the confluence seat, and a highly-integrated modular structure is formed; according to the structural design, the integration degree of the vacuum generating system is remarkably improved, the system structure is simplified, a large number of air pipes and connectors are omitted, installation is more convenient, the occupied space of equipment is effectively reduced, and the vacuum generating system is particularly suitable for occasions with strict requirements for the installation space.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum generation, in particular to a large-flow integrated vacuum generator. Background Art

[0002] In the prior art, a vacuum generator is a device that uses a positive pressure gas source to generate negative pressure. It is widely used in fields such as automated production, robotics, packaging industry, and printing industry to achieve operations such as suction, transportation, and fixation of workpieces.

[0003] Traditional vacuum generators typically utilize a single-stage or multi-stage Venturi principle, generating vacuum through a specially designed nozzle and diffuser. However, existing vacuum generators present several practical challenges. For example, in conventional vacuum systems, components such as the generator, control valve (such as a solenoid valve), and vacuum gauge are typically separate and require connection via air pipes and connectors. This results in a complex system structure, numerous piping, cumbersome installation and commissioning, large space requirements, and the potential for air leaks, impacting system reliability and stability. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a high-flow integrated vacuum generator with high integration, convenient installation, reliable performance, rapid response and convenient maintenance.

[0005] In order to achieve the above-mentioned purpose, the large flow integrated vacuum generator designed by the utility model includes:

[0006] A rectangular confluence seat, in which a cross air channel and a first exhaust cavity are formed, and a first channel opening and a second channel opening respectively connected to two ends of the cross air channel, and a third channel opening connected to the first exhaust cavity are provided on the upper surface of the rectangular confluence seat;

[0007] An air intake solenoid valve is fixedly mounted on the upper surface of the rectangular manifold, and has an air intake port provided at the upper portion of the air intake solenoid valve and an exhaust port provided at the lower portion of the air intake solenoid valve, the air intake port being connected to an L-shaped air pipe joint whose air intake direction is consistent with the length direction of the rectangular manifold, and the exhaust port being connected to the first channel port;

[0008] A plurality of vacuum generating assemblies are stacked in sequence and disposed on the upper surface of the rectangular busbar, wherein the vacuum generating assemblies are provided with an air inlet cavity, a vacuum generating cavity, and a second exhaust cavity, wherein the second channel opening is connected to the vacuum generating cavity through a plurality of interconnected air inlet cavities, and the vacuum generating cavity is connected to the first exhaust cavity through a plurality of interconnected second exhaust cavities;

[0009] In which, an exhaust port connected to the first exhaust chamber is provided on the short side of the rectangular convergence seat, and the opening direction of the exhaust port is the same as the air inlet direction of the L-shaped air pipe joint; a negative pressure channel connected to the first exhaust chamber is also provided in the rectangular convergence seat, and a first branch and a second branch are provided at one end of the negative pressure channel facing away from the first exhaust chamber, the first branch extends to the other short side of the rectangular convergence seat to form a fourth channel opening, and the second branch extends to the long side of the rectangular convergence seat to form a fifth channel opening, the fourth channel opening is connected to a quick connector, and a plug is provided in the fifth channel opening.

[0010] Preferably, the upper surface of the rectangular busbar around the first channel opening, the second channel opening and the third channel opening is provided with a sealing groove, and a sealing ring for sealingly cooperating with the air intake solenoid valve and the vacuum generating assembly is provided in the sealing groove.

[0011] Preferably, the fourth channel opening and the fifth channel opening are both provided with internal threads, and the outer surfaces of the quick connector and the plug are respectively provided with external threads that are compatible with the internal threads.

[0012] Preferably, the negative pressure channel of the rectangular busbar further has a third branch, the third branch extends to the short side of the rectangular busbar having the fourth channel opening, and the end of the third branch forms a sixth channel opening, and the sixth channel opening is connected to a vacuum gauge.

[0013] Preferably, the vacuum gauge is a digital pressure sensor.

[0014] Preferably, a wiring terminal is provided on one side of the air intake solenoid valve close to the rectangular busbar, and a notch for accommodating the wiring terminal is provided at a position of the rectangular busbar corresponding to the wiring terminal.

[0015] Preferably, a muffler is connected to the exhaust port.

[0016] Preferably, the rectangular busbar is made of aluminum alloy.

[0017] The high-flow integrated vacuum generator designed in this utility model integrates key components such as the vacuum generating assembly, air inlet solenoid valve, and vacuum gauge into a rectangular manifold, and utilizes multiple channels on the manifold to achieve air path connectivity, forming a highly integrated modular structure. This structural design significantly improves the integration of the vacuum generating system, simplifies the system structure, eliminates a large number of air pipes and joints, makes installation more convenient, and effectively reduces the equipment footprint, making it particularly suitable for applications with demanding installation space requirements. At the same time, the reduction in air path connection points reduces the risk of air leakage, thereby improving the reliability and stability of the system and meeting the application requirements of high-speed, fast pick-up and release. In addition, the modular design makes the disassembly and replacement of various components more convenient, reducing the difficulty and cost of maintenance and overhaul. The integrated vacuum generator also has the advantages of a simple, compact, and beautiful appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a large-flow integrated vacuum generator provided in an embodiment of the present application;

[0019] Figure 2 This is a structural schematic diagram of a large-flow integrated vacuum generator provided in an embodiment of the present application from another perspective;

[0020] Figure 3 yes Figure 2 3D exploded view of

[0021] Figure 4 This is a schematic diagram of the cross airway structure provided in an embodiment of the present application;

[0022] Figure 5 This is a schematic diagram of the negative pressure channel structure provided in an embodiment of the present application.

[0023] Among them: rectangular busbar 10, first channel opening 11, second channel opening 12, third channel opening 13, exhaust port 14, fourth channel opening 15, fifth channel opening 16, sixth channel opening 17, make way gap 18, cross airway 20, first exhaust chamber 30, air intake solenoid valve 40, L-shaped air pipe connector 41, terminal 42, vacuum generating assembly 50, air intake chamber 51, vacuum generating chamber 52, second exhaust chamber 53, negative pressure channel 60, quick connector 61, plug 62, vacuum gauge 70. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0025] like Figures 1 to 5As shown, the high-flow integrated vacuum generator described in this embodiment is intended to solve the problems of low integration, complex installation, and large space occupation of existing vacuum generators. By integrating key components on the manifold and optimizing the internal gas path, the vacuum generation system is highly integrated and miniaturized.

[0026] The large-flow integrated vacuum generator of this embodiment mainly includes a rectangular manifold 10 , an air intake solenoid valve 40 and a plurality of vacuum generating components 50 .

[0027] The rectangular busbar 10 serves as a base for integrated installation, providing installation reference and gas path for each component. Figure 1 and Figure 2 As shown, a cross air passage 20 and a first exhaust cavity 30 are defined within the rectangular manifold 10. A first channel opening 11 and a second channel opening 12 are provided on the upper surface of the rectangular manifold 10, respectively communicating with the ends of the cross air passage 20, as well as a third channel opening 13 communicating with the first exhaust cavity 30. The air inlet is configured to connect to an external air pipe via an L-shaped air pipe connector 41, allowing the air pipe to occupy space along the width of the rectangular manifold device, making it more compact and more convenient for air pipe installation and maintenance.

[0028] The air intake solenoid valve 40 is fixedly mounted on the upper surface of the rectangular manifold 10 and controls the flow of compressed air. It comprises an air inlet located above the air intake solenoid valve 40 and an air exhaust located below the air intake solenoid valve 40. The air intake is connected to an L-shaped air pipe connector 41, whose air intake direction aligns with the length of the rectangular manifold 10, facilitating access to an external air source. The air exhaust 14 is connected to the first channel opening 11.

[0029] A plurality of vacuum generating assemblies 50 are stacked in sequence and disposed on the upper surface of the rectangular busbar 10 for generating vacuum. The vacuum generating assembly 50 is provided with an air inlet chamber 51, a vacuum generating chamber 52 and a second exhaust chamber 53. The second channel opening 12 is connected to the vacuum generating chamber 52 through a number of interconnected air inlet chambers 51, and the vacuum generating chamber 52 is connected to the first exhaust chamber 30 through a number of interconnected second exhaust chambers 53. The short side of the rectangular bus seat 10 is provided with an exhaust port 14 connected to the first exhaust chamber 30, and the opening direction of the exhaust port 14 is the same as the air inlet direction of the L-shaped air pipe joint 41. The rectangular bus seat 10 is also provided with a negative pressure channel 60 connected to the first exhaust chamber 30. The negative pressure channel 60 is provided with a first branch and a second branch at one end away from the first exhaust chamber 30. The first branch extends to the other short side of the rectangular bus seat 10 to form a fourth channel opening 15, and the second branch extends to the long side of the rectangular bus seat 10 to form a fifth channel opening 16. The fourth channel opening 15 is connected to a quick connector 61, and a plug 62 is provided in the fifth channel opening 16. The fourth channel opening 15 is connected to a quick connector 61, facilitating quick connection and removal with an external negative pressure application device. A plug 62 is located within the fifth channel opening 16, allowing it to be sealed when not in use. Users can choose to connect the quick connector 61 to either the fourth or fifth channel opening 15, 16, depending on their installation needs, to optimize the airway layout, shorten the airway length, and enhance device ease of use.

[0030] In a specific implementation, the rectangular manifold 10 can be made of aluminum alloy to ensure its strength and durability. When the air intake solenoid valve 40 is powered on and opened, compressed air enters the air intake port of the air intake solenoid valve 40 through the L-shaped air pipe connector 41, is then discharged from its air port, passes through the first channel opening 11 on the rectangular manifold 10, enters the cross airway 20, and then enters the air intake chamber 51 of the vacuum generating assembly 50 from the second channel opening 12, and finally flows into the vacuum generating chamber 52. The vacuum generating chamber 52 is usually provided with a nozzle and a diffuser. That is, when the compressed air flows through the nozzle, the air flow velocity increases sharply and the pressure decreases due to the contraction-expansion structure of the nozzle, thereby generating negative pressure. The generated negative pressure is then transmitted to the fourth channel opening 15 or the fifth channel opening 16 through the negative pressure channel 60, thereby achieving the suction of external objects. The inhaled air is mixed with the compressed air and then passes through the vacuum generating chamber 52, the second exhaust chamber 53, the first exhaust chamber 30 in sequence, and finally discharged from the exhaust port 14.

[0031] In this way, by integrating key components such as the intake solenoid valve 40 and the vacuum generating assembly 50 into the rectangular manifold 10, and utilizing the cross air passage 20, the first exhaust chamber 30, and the negative pressure channel 60 within the rectangular manifold 10 to achieve airway connectivity, a highly integrated vacuum generating system is formed. This system features a compact structure, a small size, and is easy to install, effectively resolving the issues of low integration, complex installation, and large space requirements of existing vacuum generators.

[0032] In some embodiments, the upper surface of the rectangular manifold 10 is provided with sealing grooves surrounding the first, second, and third channel openings 11, 12, and 13. These grooves contain sealing rings for sealingly engaging the intake solenoid valve 40 and the vacuum generator assembly 50. By providing sealing grooves around the first, second, and third channel openings 11, 12, and 13 and installing sealing rings within these grooves, the sealing performance of these critical connection points can be effectively enhanced, ensuring gas flow within the intended channel and improving the efficiency and stability of the vacuum generator. In this embodiment, the sealing ring 21 is made of an oil-resistant and corrosion-resistant rubber material, ensuring excellent elasticity and sealing performance.

[0033] In some embodiments, the fourth channel opening 15 and the fifth channel opening 16 are both provided with internal threads, and the outer surfaces of the quick connector and the plug 62 are respectively provided with external threads that are compatible with the internal threads. Through this design of the matching internal and external threads, flexible switching of the negative pressure output port is achieved. The user can conveniently and quickly choose to use the fourth channel opening 15 or the fifth channel opening 16 according to actual needs, or block one of them. This design not only improves the applicability of the equipment, reduces the downtime and cost caused by changes in equipment layout, but also makes the maintenance and maintenance of the equipment more convenient and quick. At the same time, the reliability and sealing of the threaded connection also ensure that the vacuum generator can work stably and efficiently, providing reliable negative pressure power for the automated production line.

[0034] In some embodiments, as Figure 4 、 Figure 5 As shown, the negative pressure channel 60 of the rectangular busbar 10 further has a third branch, which extends to the short side of the rectangular busbar 10 having the fourth channel opening 15, and the end of the third branch forms a sixth channel opening 17, which is connected to a vacuum gauge 70. In this embodiment, the vacuum gauge 70 is a digital pressure sensor.

[0035] Utilizing this structural design, the end of the third branch forms a sixth channel opening 17, and is located on the same side of the rectangular busbar 10 as the fourth channel opening 15, and the two are adjacent to each other. At the same time, the vacuum gauge 70 connected to the sixth channel opening 17 is also located on this side, adjacent to the fourth channel opening 15 and the fifth channel opening 16. Since the fourth channel opening 15 and the fifth channel opening 16 serve as negative pressure output ports, users often need to adjust the position of the quick connector 61 or the plug 62 and the component area connecting the air pipe during operation. The vacuum gauge 70 is set near this area, so that when the user performs these operations, it is very convenient to observe the real-time vacuum value displayed on the display screen of the vacuum gauge 70, which is convenient for adjusting the working state of the intake solenoid valve 40 as needed, thereby achieving precise control of the vacuum degree.

[0036] In some embodiments, as Figure 1 、 Figure 4 As shown, the intake solenoid valve 40 is provided with a terminal block 42 on one side near the rectangular busbar 10. A clearance notch 18 for accommodating the terminal block 42 is provided on the rectangular busbar 10 at a position corresponding to the terminal block 42. Thus, by providing the clearance notch 18 on the rectangular busbar 10 to accommodate the terminal block 42 of the intake solenoid valve 40, a miniaturized and compact design is achieved for the device, making it adaptable to space-constrained applications. This design also protects the terminal block 42, improving the device's reliability and service life, and making the device more aesthetically pleasing and neat. Furthermore, the provision of the clearance notch 18 facilitates wiring of the terminal block 42, simplifying the installation process.

[0037] In some embodiments, a muffler is connected to the exhaust port 14. Specifically, the exhaust port 14 can be designed with external threads, and the muffler can be installed on the exhaust port 14 via a threaded connection. The muffler can be filled with a porous sound-absorbing material, such as sintered metal or foam plastic, or designed with a labyrinthine structure to effectively reduce the noise level emitted into the environment.

[0038] The high-flow integrated vacuum generator provided in this embodiment integrates key components such as the vacuum generating assembly, air inlet solenoid valve, and vacuum gauge into a rectangular manifold, and utilizes multiple channels on the manifold to achieve air path connectivity, forming a highly integrated modular structure. This structural design significantly improves the integration of the vacuum generating system, simplifies the system structure, eliminates a large number of air pipes and joints, makes installation more convenient, and effectively reduces the equipment footprint. It is particularly suitable for applications with demanding installation space requirements. At the same time, the reduction in air path connection points reduces the risk of air leakage, thereby improving the reliability and stability of the system and meeting the application requirements of high-speed, fast pick-up and placement. In addition, the modular design makes the disassembly and replacement of various components more convenient, reducing the difficulty and cost of maintenance and overhaul. The integrated vacuum generator also has the advantages of a simple, compact, and beautiful appearance.

[0039] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They 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. Therefore, they cannot be understood as limitations on the present invention.

[0040] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0041] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A large flow integrated vacuum generator, characterized in that: include: A rectangular confluence seat, in which a cross air channel and a first exhaust cavity are formed, and a first channel opening and a second channel opening respectively connected to two ends of the cross air channel, and a third channel opening connected to the first exhaust cavity are provided on the upper surface of the rectangular confluence seat; An air intake solenoid valve is fixedly mounted on the upper surface of the rectangular manifold, and has an air intake port provided at the upper portion of the air intake solenoid valve and an exhaust port provided at the lower portion of the air intake solenoid valve, the air intake port being connected to an L-shaped air pipe joint whose air intake direction is consistent with the length direction of the rectangular manifold, and the exhaust port being connected to the first channel port; A plurality of vacuum generating assemblies are stacked in sequence and disposed on the upper surface of the rectangular busbar, wherein the vacuum generating assemblies are provided with an air inlet cavity, a vacuum generating cavity, and a second exhaust cavity, wherein the second channel opening is connected to the vacuum generating cavity through a plurality of interconnected air inlet cavities, and the vacuum generating cavity is connected to the first exhaust cavity through a plurality of interconnected second exhaust cavities; In which, an exhaust port connected to the first exhaust chamber is provided on the short side of the rectangular convergence seat, and the opening direction of the exhaust port is the same as the air inlet direction of the L-shaped air pipe joint; a negative pressure channel connected to the first exhaust chamber is also provided in the rectangular convergence seat, and a first branch and a second branch are provided at one end of the negative pressure channel facing away from the first exhaust chamber, the first branch extends to the other short side of the rectangular convergence seat to form a fourth channel opening, and the second branch extends to the long side of the rectangular convergence seat to form a fifth channel opening, the fourth channel opening is connected to a quick connector, and a plug is provided in the fifth channel opening.

2. The large flow integrated vacuum generator according to claim 1, characterized in that: Sealing grooves are provided on the upper surfaces of the rectangular busbars around the first channel opening, the second channel opening and the third channel opening. Sealing rings for sealing with the air intake solenoid valve and the vacuum generating assembly are provided in the sealing grooves.

3. The large flow integrated vacuum generator according to claim 1, characterized in that: The fourth channel opening and the fifth channel opening are both provided with internal threads, and the outer surfaces of the quick connector and the plug are respectively provided with external threads that are compatible with the internal threads.

4. The large flow integrated vacuum generator according to claim 1, characterized in that: The negative pressure channel of the rectangular busbar further has a third branch, which extends to the short side of the rectangular busbar having the fourth channel opening, and the end of the third branch forms a sixth channel opening, and the sixth channel opening is connected to a vacuum gauge.

5. The large flow integrated vacuum generator according to claim 4, characterized in that: The vacuum gauge is a digital pressure sensor.

6. The high-flow integrated vacuum generator according to claim 1, characterized in that: The air intake solenoid valve is provided with a wiring terminal on one side close to the rectangular busbar. The rectangular busbar is provided with a notch for accommodating the wiring terminal at a position corresponding to the wiring terminal.

7. The high-flow integrated vacuum generator according to claim 1, characterized in that: The exhaust port is connected with a muffler.

8. The high-flow integrated vacuum generator according to claim 1, characterized in that: The rectangular busbar is made of aluminum alloy.

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