CN220811068U - Modular central vacuum conveying device - Google Patents

Abstract

The utility model discloses a modular central vacuum conveying device, which comprises a frame main body, wherein a filter device and a fan are fixedly arranged in the frame main body, the filter device and the fan are respectively erected on a bearing beam, the filter device is connected with the fan, the other end of the filter device is connected with an air inlet bypass valve through a hard pipe, and the other end of the fan is connected with an air outlet bypass valve through a hard pipe; by using the bypass valve, the corresponding fan can be lowered to cut out the main pipeline in a state that the fan is not stopped so as to cope with the continuously changing vacuum requirement in the vacuum system, and the service life of the fan can be prolonged.

Description

Modular central vacuum conveying device

Technical Field

The utility model belongs to the technical field of dryers, and particularly relates to a modular central vacuum conveying device.

Background

In the production process of plastic products, vacuum negative pressure without impurities is usually required to be used for conveying engineering plastic raw materials, the existing conveying device is required to be built when the conveying device is installed, a fan and a filtering device are fixedly installed on the conveying device, an overhaul electric box is absent in the conveying device, the subsequent process of adding the fan and overhaul the fan is very complex and can not be combined arbitrarily,

In the process of raw material conveying, the traditional conveying device only comprises a fan and a filtering device, the on-off of the conveying device is controlled by the fan every time when the conveying device is started and stopped, a bypass valve is not used for playing a role in on-off of a conveying system, the fan is easily damaged due to frequent start and stop of the fan, and the service life of the fan is influenced;

The traditional conveying device is large in size, complex in installation structure, incapable of being combined at will, not provided with an overhaul electric box, not easy to maintain, and lack of a bypass valve during conveying, so that service life of a fan is influenced, and meanwhile, hot air generated by the fan is directly discharged into the atmosphere, so that resources are wasted. There is a need for a solution to the above-mentioned problems.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of utility model

In order to solve the problems, the utility model aims to provide a modular central vacuum conveying device which can be conveniently overhauled, adjust the scale of the conveying device according to the requirement, is provided with a bypass valve for switching on and off, prolongs the service life of a fan and recycles hot air generated by the recovery fan.

In order to achieve the above purpose, the utility model provides a modular central vacuum conveying device, which is characterized by comprising a frame main body, wherein a filter device and a fan are fixedly arranged in the frame main body, the filter device and the fan are respectively erected on a bearing beam, the filter device is mutually connected with the fan, the other end of the filter device is connected with an air inlet bypass valve through a hard pipe, and the other end of the fan is connected with an air outlet bypass valve through a hard pipe.

In one example, the inlet bypass valve and the outlet bypass valve are both three-way valves.

In one example, the inlet bypass valve is connected to the main air duct and the outlet bypass valve is connected to the main hot air duct.

In one example, an inspection cabinet is further mounted in the frame main body, and a power supply device, a driving device and a signal switching device are arranged in the inspection cabinet.

In one example, the overhaul cabinet not only supplies power for the fan and the filtering device, but also is connected with the system through the signal switching device, and a command of the system is transmitted to the driving device for controlling the switching of the bypass valve and the starting and stopping of the fan and the filtering device.

In one example, the service cabinet is connected to an electrical control cabinet.

In one example, the frame body carrying the blower, the filtering device and the overhaul cabinet forms a blower unit, and the blower units may be several, and the blower units are stacked with each other through the frame body to form a blower unit group.

The modular central vacuum conveying device provided by the utility model has the following beneficial effects:

1. The structure is simple, the occupied area is small, related equipment can be freely assembled and disassembled through the frame main body, the related equipment can be rapidly and randomly matched according to actual needs, and meanwhile, the frame main body arranged on the frame can be used by conveniently combining a plurality of units together, so that the installation is convenient;

2. The maintenance cabinet can be installed to rapidly, effectively and directly maintain the fan module, and meanwhile, a system instruction is transmitted to the driving device for controlling the switching of the bypass valve, the start and stop of the fan and the filtering device;

3. the bypass valve is added, so that the corresponding fan can be lowered to cut out the main pipeline in a state that the fan is not stopped, the continuously changing vacuum requirement in the vacuum system can be met, and the service life of the fan can be prolonged;

4. The bypass valve structure is added to the utilization of hot air discharged by the fan and is conveyed to a matched drying structure for reuse, so that the purposes of environmental protection and resource conservation are achieved;

5. The modularized fan unit composed of the fan, the filtering device and the frame main body can be used in a more free combination mode to adapt to vacuum conveying devices with different requirements, meanwhile, in the aspect of daily maintenance, the modularized fan unit cannot work normally even if any unit appears, the whole function cannot be influenced, and the running stability of the vacuum conveying devices is guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic perspective view of a unit group of a modular central vacuum conveying apparatus according to the present utility model.

Fig. 2 is a schematic rear view of a modular central vacuum conveyor according to the present utility model.

Fig. 3 is a schematic top view of a modular central vacuum conveyor according to the present utility model.

Fig. 4 is a schematic diagram of the conveyance of the blower, main air pipe and main hot air pipe of the modular central vacuum conveying apparatus of the present utility model.

Fig. 5 is a schematic diagram of the transport of the blower of a modular central vacuum transport apparatus of the present utility model with the main air duct and atmosphere interconnected.

Fig. 6 is a schematic diagram of the conveyance of the blower of the modular central vacuum conveyor of the present utility model, with the main air and hot air ducts in communication with each other.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 6, an embodiment of the present utility model proposes a modular central vacuum conveying device, which includes a frame main body 7, in which a filter device 3 and a fan 4 are fixedly installed in the frame main body 7, the filter device 3 and the fan 4 are respectively installed on carrier beams 9, and according to the installation mode of the installed equipment, the installation direction and the number of each carrier beam 9 in the frame main body 7 can be adjusted, so as to achieve the purpose of arbitrary combination, the filter device 4 and the fan 4 are connected with each other, the other end of the filter device 3 is connected with an air inlet bypass valve 1 through a hard pipe 2, and the other end of the fan 4 is connected with an air outlet bypass valve 6 through the hard pipe 2.

Specifically, the air inlet bypass valve 1 and the air outlet bypass valve 6 are three-way valves, and one end passages of the air inlet bypass valve 1 and the air outlet bypass valve 6 are all communicated with the atmosphere, so that the air inlet bypass valve 1 and the air outlet bypass valve 6 can be quickly switched to be connected with the atmosphere, and the air blower 4 can be cut out of a main pipeline under the state that the air blower 4 is not started or stopped.

Specifically, the air inlet bypass valve 1 is connected with a main air pipe, the air outlet bypass valve 6 is connected with a hot air main pipe, when the fan 4 starts to operate, air enters the air inlet bypass valve 1 from the main air pipe, enters the filter device 3 through the hard pipe 2 for filtering, then enters the air inlet of the fan 4 to generate negative pressure, and discharged hot air enters the hot air main pipe connected with the air outlet bypass valve 6 through the hard pipe 2 and finally is recycled in the drying mechanism, so that complete circulation is realized.

Specifically, the frame main body 7 is also internally provided with an overhaul cabinet 5, and the overhaul cabinet 5 is internally provided with a power supply device, a driving device and a signal switching device.

Specifically, the overhaul cabinet 5 not only supplies power to the fan 4, but also is connected with the system through the signal switching device, and transmits a command of the system to the driving device for controlling the switching of the bypass valve and the switching of the fan 4 and feeding back the differential pressure signal of the filtering device 3.

Specifically, the overhaul cabinet 5 is connected with the electric control cabinet 8, and the electric control cabinet 8 serves as an integrated terminal of a main power supply and signals.

Specifically, the frame main body 7 carrying the blower 4, the filtering device 3 and the overhaul cabinet 5 forms a blower 4 unit, the blower 4 units can be a plurality of, and the blower 4 units are mutually stacked through the frame main body 7 to form a blower 4 unit group.

Working principle:

When the vacuum conveying device is in a conveying state, the air inlet bypass valve is in a cut-in opening state and is connected with the main air pipe, the air outlet bypass valve is opened and is connected with the hot air main pipe, the fan starts to operate, air enters the main pipe port of the air inlet bypass valve from the main pipe, enters the filtering device through the hard pipe and then enters the air inlet of the fan to generate negative pressure, the vacuum conveying function is completed, meanwhile, discharged hot air enters the hot air main pipe port of the air outlet bypass valve through the hard pipe and finally enters the drying mechanism, and a complete cycle is realized;

when the vacuum conveying device is in a conveying on-off state, the air inlet bypass valve is in a bypass closing state, the air outlet bypass valve is in a bypass state, and the fan is directly connected with the atmosphere;

when the vacuum conveying device is in a hot air conveying state, the exhaust port bypass valve is in a cut-in opening state, and the air inlet bypass valve is in a bypass closing state, so that the fan is directly connected with the atmosphere.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (7)

1. The utility model provides a modular central vacuum conveyor, its characterized in that includes the frame main part, filter equipment and fan have set firmly in the frame main part, filter equipment and fan erect respectively on the load beam, filter equipment with fan interconnect, the filter equipment other end passes through hard tube coupling air inlet bypass valve, the fan other end passes through hard tube coupling gas vent bypass valve.

2. A modular central vacuum delivery apparatus as set forth in claim 1 wherein said inlet bypass valve and said outlet bypass valve are three-way valves.

3. A modular central vacuum delivery apparatus as set forth in claim 1 wherein said inlet bypass valve is connected to a main air duct and said outlet bypass valve is connected to a main hot air duct.

4. The modular central vacuum conveyor system of claim 1, wherein a service cabinet is also carried in the housing body, and wherein a power supply device, a drive device, and a signal transfer device are disposed in the service cabinet.

5. The modular central vacuum delivery apparatus of claim 4, wherein the service cabinet not only powers the blower and the filter, but also is connected to the system via a signal transfer device, and transmits instructions from the system to the drive device for controlling the switching of the bypass valve and the start and stop of the blower and the filter.

6. The modular central vacuum delivery apparatus of claim 5, wherein the service cabinet is connected to the electronic control cabinet.

7. The modular central vacuum conveyor system of claim 4, wherein the housing body carrying the blower, the filter and the service cabinet comprises a plurality of blower units, and wherein the blower units are stacked together by the housing body to form a blower unit group.