Air exhaust chamber structure

Abstract

The utility model provides an air exhaust chamber structure which comprises a blanking valve and a feeding mechanism, the feeding mechanism is installed at the feeding end of the blanking valve and communicated with a valve cavity of the blanking valve, the feeding mechanism is provided with a feeding cavity and an exhaust cavity, the exhaust cavity is provided with an exhaust port connected with a negative pressure mechanism, the feeding pipe is provided with a feeding port, and the feeding port is communicated with the valve cavity of the blanking valve. The exhaust cavity and the feeding cavity on the feeding mechanism are relatively independent, and the feeding cavity and the exhaust cavity which are relatively independent are formed, so that raw materials cannot be sucked away during feeding, the height of the exhaust chamber is effectively reduced, the requirement for the installation height is reduced while exhaust of the discharging valve is achieved, installation is more convenient, and loss of the raw materials is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of suction chamber structure. BACKGROUND

[0002] The prior art CN202410089672.8 negative pressure type pneumatic conveying rotary feeder adopts suction chamber and conveying screw in the same cavity, and exhausts while conveying. This structure is prone to cause plastic particles to be sucked away from the exhaust port during conveying, and the exhaust cavity is large, making it difficult to install in a lower workshop. SUMMARY

[0003] The utility model provides a kind of suction chamber structure, including discharge valve and feeding mechanism, the feeding mechanism is installed in the feeding end of discharge valve and is communicated with the valve cavity of discharge valve, the feeding mechanism is provided with feeding cavity and exhaust cavity, the exhaust cavity is provided with the exhaust port of connecting negative pressure mechanism, the feeding cavity is provided with feeding port, the exhaust cavity and feeding cavity are relatively independent on the feeding mechanism.

[0004] In one or more embodiments, the feeding mechanism is provided with a connecting port, and the feeding port is fixedly connected with the connecting port.

[0005] In one or more embodiments, the feeding cavity is provided with an upper section, a middle section and a lower section, the upper section and the lower section form a horn shape, and the exhaust cavity is arranged around the surface of the middle section.

[0006] In one or more embodiments, a lower connecting plate is arranged at the connection between the middle section and the lower section, and the lower connecting plate is fixedly connected with the discharge valve.

[0007] In one or more embodiments, the lower connecting plate forms a connecting flange, and the connecting port is also provided with a connecting flange.

[0008] In one or more embodiments, a bypass pipe is arranged on the sidewall of the exhaust cavity, and the exhaust port is located on the bypass pipe and communicates with the negative pressure mechanism.

[0009] The utility model has the beneficial effects that: by forming relatively independent feeding cavity and exhaust cavity, the raw materials are not sucked away during feeding, and the height of the exhaust cavity is effectively reduced, the discharge valve exhaust is realized while reducing the installation height requirement, the installation is more convenient, and the loss of raw materials is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a schematic view of the suction chamber structure.

[0011] Fig. 2 It is a schematic view of the connection between the discharge valve and the feeding mechanism. DETAILED DESCRIPTION

[0012] The application will be further described below with reference to the drawings.

[0013] Referring to the drawings Figs. 1-2 The air extraction chamber structure comprises a discharging valve 1 and a feeding mechanism 2, the feeding mechanism 2 is installed at the feeding end of the discharging valve 1 and communicates with the valve cavity of the discharging valve 1, the feeding mechanism 2 is provided with a feeding cavity 21 and an exhaust cavity 22, the exhaust cavity 22 is provided with an exhaust port 221 connected with a negative pressure mechanism, the feeding cavity 21 is provided with a feeding port 3, the exhaust cavity 22 and the feeding cavity 21 are relatively independent on the feeding mechanism 2, and the negative pressure mechanism is a dust remover.

[0014] Further, the feeding mechanism 2 is provided with a connecting port 211, and the feeding port 3 is fixedly connected with the connecting port 221.

[0015] Further, the feeding cavity 21 is provided with an upper section 212, a middle section 213 and a lower section 214, the upper section 212 and the lower section 214 form a horn shape, and the exhaust cavity 22 is arranged around the surface of the middle section 213.

[0016] Further, a lower connecting plate 215 is arranged at the connection position of the middle section 213 and the lower section 214, and the lower connecting plate 215 is fixedly connected with the discharging valve 1.

[0017] Further, the lower connecting plate 215 forms a connecting flange, and the connecting port 211 is also provided with a connecting flange.

[0018] Further, the exhaust cavity 22 is provided with a bypass pipe 222 on the side wall, and the exhaust port 221 is arranged on the bypass pipe 222 and communicates with the negative pressure mechanism.

[0019] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0020] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or an ordering between the indicated technical features. Thus, a feature defined with "first", "second", etc. can include at least one of the features explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0021] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0023] In the description of the present application, the description of 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 application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0024] The above preferred embodiments should be regarded as an example of the implementation of the present application, and any technical deduction, replacement, improvement, etc. made on the basis of the present application should be regarded as the protection scope of the present patent.

Claims

1. A pumping chamber structure, characterized by, The feeding mechanism is installed at the feeding end of the discharging valve and communicates with the valve cavity of the discharging valve, and is provided with a feeding cavity and an exhaust cavity.

2. The pumping chamber structure according to claim 1, characterized by The feeding mechanism is provided with a connecting port, and the feeding port is fixedly connected with the connecting port.

3. The pumping chamber structure according to claim 2, characterized by The feeding cavity is provided with an upper section, a middle section and a lower section, the upper section and the lower section are formed in a horn shape, and the exhaust cavity is arranged around the surface of the middle section.

4. The pumping chamber structure according to claim 3, characterized by A lower connecting plate is arranged at the connection between the middle section and the lower section, and the lower connecting plate is fixedly connected with the discharging valve.

5. The pumping chamber structure according to claim 4, wherein The lower connecting plate is formed in a connecting flange, and the connecting port is also provided with a connecting flange.

6. The pumping chamber structure of claim 1, wherein A bypass pipe is arranged on the side wall of the exhaust cavity, and the exhaust port is arranged on the bypass pipe and communicates with the negative pressure mechanism.

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