A fast-bleed vacuum generator

Abstract

The utility model relates to vacuum generator technical field more specifically, relate to a kind of fast release type vacuum generator, including shell, multistage vacuum pipe and ring muffler, ring muffler is arranged outside multistage vacuum pipe, shell outer wall is equipped with fast release structure, fast release structure is equipped with quick release channel, connecting channel and gas channel, the length of quick release channel is slightly shorter than the total length of multistage vacuum pipe, one end of quick release channel is exhaust port, the other end is communicated with connecting channel, the other end of connecting channel is connected with ring muffler, one end of gas channel is connected with ring muffler, the other end is connected with fast release structure external positive pressure gas source structure by first quick connector.The utility model quick release type vacuum generator is equipped with fast release structure on shell outer wall, and it is introduced positive pressure gas source to ring muffler from gas channel, so that it is quickly broken vacuum, exhaust from the quick release channel of extension setting, so that vacuum generator can quickly release negative pressure and greatly reduce noise.

Description

Technical Field

[0001] This utility model relates to the field of vacuum generator technology, and more specifically, to a fast-release vacuum generator. Background Technology

[0002] A vacuum generator is a highly efficient, clean, economical, and compact vacuum component that uses a positive pressure air source to generate negative pressure. This makes it very easy and convenient to obtain negative pressure in places where compressed air is available, or in a pneumatic system where both positive and negative pressure are required simultaneously. Vacuum generators are widely used in industrial automation in fields such as machinery, electronics, packaging, printing, plastics, and robotics. In particular, when used with structures such as suction cups, they are used for the adsorption and handling of various materials, and are especially suitable for adsorbing fragile, soft, thin non-ferrous, non-metallic materials or spherical objects. For example, Chinese Patent Publication No. CN219159281U discloses a novel multi-stage vacuum generator, including a main body with a rotating mounting cavity inside. The mounting cavity has an air inlet and a nozzle that pass through it at both ends. The main body has at least one large air port that communicates with the mounting cavity. A supersonic vacuum generating tube is disposed inside the mounting cavity, and its two ends are respectively sealed to the air inlet and the nozzle. A filter element is coaxially arranged with the multi-stage energy-saving supersonic vacuum generating tube for filtering the gas entering through the large air port.

[0003] The vacuum generator described above uses a multi-stage energy-saving supersonic vacuum generating tube combined with a cylindrical filter element design. When positive pressure gas is input into the air inlet, it can adsorb objects. However, when the positive pressure gas stops input, the vacuum between the vacuum suction cup and the adsorbed object needs to slowly dissipate before the adsorbed object can be released from the vacuum suction cup. This release process is delayed and cannot be controlled, making it impossible for the adsorbed object to detach quickly, which affects production efficiency. In addition, the noise generated in this process is also relatively large and is not friendly to the working environment. Utility Model Content

[0004] This utility model provides a fast-release vacuum generator by setting a fast-release structure on the outer wall of the housing. The fast-release structure has a fast release channel, a connecting channel and a gas venting channel with a length slightly shorter than the total length of the internal multi-stage vacuum tubes. By introducing a positive pressure gas source from the gas venting channel to the ring silencer to quickly break the vacuum, and then discharging the gas from the extended fast release channel, the vacuum generator can quickly release the vacuum while reducing noise.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A fast-release vacuum generator is provided, comprising a housing with an air inlet and a vacuum outlet, a multi-stage vacuum tube disposed within the housing, and a ring-shaped silencer. The ring-shaped silencer is disposed outside the multi-stage vacuum tube. A fast-release structure is provided on the outer wall of the housing. The fast-release structure has a fast release channel, a connecting channel, and a bleed air channel. The length of the fast release channel is slightly shorter than the total length of the multi-stage vacuum tube. One end of the fast release channel is an exhaust port, and the other end is connected to the connecting channel. The other end of the connecting channel is connected to the ring-shaped silencer. One end of the bleed air channel is connected to the ring-shaped silencer, and the other end is connected to a positive pressure air source structure outside the fast-release structure via a first quick connector.

[0007] Preferably, the axis of the air intake channel is perpendicular to the axis of the ring silencer; there are two quick release channels, which are respectively arranged on both sides of the air intake channel, and each quick release channel is provided with a connecting channel connected to the ring silencer.

[0008] Preferably, the housing is further provided with an air outlet at one end of the air inlet, and the air outlet can be connected to the annular muffler.

[0009] Optionally, the air inlet is connected to a second quick connector, and the vacuum port is connected to a third quick connector.

[0010] Compared with the prior art, the fast-release vacuum generator of this utility model has a fast-release structure set on the outer wall of the shell, and a fast release channel with a length slightly shorter than the total length of the internal multi-stage vacuum tubes, as well as a connecting channel and an air intake channel connected to the ring silencer respectively. When a positive pressure gas source is introduced into the ring silencer from the air intake channel, the pressure of the positive pressure gas source is greater than the exhaust pressure. The positive pressure gas source then flows back into the nozzle to affect the vacuum, thereby achieving the effect of quickly breaking the vacuum and quickly releasing the negative pressure. At the same time, the connecting channel connected to the ring silencer can lead out the exhaust gas, and the exhaust gas is discharged from the exhaust port after passing through the extended fast release channel, thereby reducing the noise to about 50 decibels, which is significantly better than the noise generated by the exhaust of existing vacuum generators. Attached Figure Description

[0011] Figure 1 This is an overall view of a fast-release vacuum generator in one embodiment of the present invention.

[0012] Figure 2 for Figure 1 Top view.

[0013] Figure 3 This is a cross-sectional view of a fast-release vacuum generator in one embodiment of the present invention.

[0014] Figure 4 for Figure 1 AA section view in the image. Detailed Implementation

[0015] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It should be understood that terms such as "upper," "lower," "left," "right," "top," "bottom," "inner," and "outer," indicating orientation or positional relationships based on the orientation or positional relationships shown in the drawings, 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, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationships; for example, the term "upper" may also be used in some cases to indicate a certain dependency or connection relationship. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0016] like Figures 1 to 4 The illustration shows an embodiment of the fast-release vacuum generator of this invention, comprising a housing 10, a multi-stage vacuum tube 20, and a ring-shaped silencer 30. The housing 10 has an air inlet 11 connected to an external air path and a vacuum port 12 connected to the vacuum tube. The multi-stage vacuum tube 20 and the ring-shaped silencer 30 are disposed inside the housing 10, and the ring-shaped silencer 30 is disposed outside the multi-stage vacuum tube 20. This fast-release vacuum generator has a fast-release structure 40 provided on the outer wall of the housing 10, such as... Figure 2 As shown, the quick-release structure 40 is provided with a quick-release channel 41, a connecting channel 42, and a bleed air channel 43. The length of the quick-release channel 41 is slightly shorter than the total length of the multi-stage vacuum tube 20. One end of the quick-release channel 41 is an exhaust port 411, and the other end is connected to the connecting channel 42. The other end of the connecting channel 42 is connected to the annular silencer 30. One end of the bleed air channel 43 is connected to the annular silencer 30, and the other end is connected to the positive pressure air source structure outside the quick-release structure 40 (not shown) through the first quick connector 44.

[0017] In this embodiment, the fast-release vacuum generator has a fast-release structure 40 on the outer wall of the housing 10, and a fast release channel 41, a connecting channel 42, and a bleed channel 43 inside the fast-release structure 40. The length of the fast release channel 41 is slightly shorter than the total length of the internal multi-stage vacuum tube 20. That is, if the length of the fast release channel 41 is extended to be almost equal to the length of the multi-stage vacuum tube 20, the gas will travel a longer path. The connecting channel 42 and the bleed channel 43 are respectively connected to the ring silencer 30. In practical applications, this quick-release vacuum generator is connected to a vacuum suction cup. When the vacuum suction cup completes the adsorption of an object and the object needs to be released, the first quick connector 44 connects to the air pipe, and a positive pressure air source is introduced from the air intake channel 43 to the ring silencer 30. It should be noted that the pressure of the positive pressure air source is greater than the exhaust pressure. At this time, the positive pressure air source flows back into the nozzle, affecting the vacuum, thereby achieving the effect of quickly breaking the vacuum and quickly releasing the negative pressure. At the same time, the connection channel 42 connected to the ring silencer 30 can lead out the exhaust gas, and the exhaust gas passes through the extended quick release channel 41 and finally exits from the exhaust port 411, thereby reducing the noise to about 50 decibels, which is significantly better than the noise generated by the exhaust of existing vacuum generators.

[0018] As an improvement to this embodiment, to further enhance the rapid release of vacuum negative pressure and noise reduction effect, the axis of the air intake channel 43 is perpendicular to the axis of the annular silencer 30, that is, the air intake channel 43 can be set perpendicular to the outer shell. Figure 4 As shown, there can be two quick release channels 41, which are respectively arranged on both sides of the air intake channel 43. Each quick release channel 41 is provided with a connecting channel 42 to connect with the ring silencer 30.

[0019] To improve exhaust efficiency, such as Figures 1 to 3 As shown, an air outlet 13 can also be provided at one end of the housing 10 at the air inlet 11, and the air outlet 13 can be connected to the ring silencer 30. In addition, the air inlet 11 is connected to a second quick connector 14, and the vacuum port 12 is connected to a third quick connector 15 to facilitate air passage connection.

[0020] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A fast-release vacuum generator, comprising a housing with an air inlet and a vacuum outlet, a multi-stage vacuum tube disposed within the housing, and a ring-shaped silencer, wherein the ring-shaped silencer is disposed outside the multi-stage vacuum tube, characterized in that, The outer wall of the housing is provided with a quick-release structure. The quick-release structure is provided with a quick release channel, a connecting channel and a bleed air channel. The length of the quick release channel is slightly shorter than the total length of the multi-stage vacuum tube. One end of the quick release channel is an exhaust port and the other end is connected to the connecting channel. The other end of the connecting channel is connected to the ring silencer. One end of the bleed air channel is connected to the ring silencer and the other end is connected to the positive pressure air source structure outside the quick-release structure through a first quick connector.

2. The fast-release vacuum generator according to claim 1, characterized in that, The axis of the air intake channel is perpendicular to the axis of the ring silencer; there are two quick release channels, which are respectively arranged on both sides of the air intake channel, and each quick release channel is provided with a connecting channel connected to the ring silencer.

3. The fast-release vacuum generator according to claim 1, characterized in that, The housing is also provided with an air outlet at one end of the air inlet, and the air outlet can be connected to the ring-shaped muffler.

4. The fast-release vacuum generator according to any one of claims 1 to 3, characterized in that, The air inlet is connected to a second quick connector, and the vacuum port is connected to a third quick connector.

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