Process fan

Abstract

The utility model discloses a process fan, and belongs to the technical field of fans. Comprising a supporting frame and a motor arranged above the supporting frame, a transmission connecting assembly is further arranged on one side of the motor, the motor is connected with a vortex fan through a coupler, and the vortex fan penetrates through a bearing box of the transmission connecting assembly and is rotationally connected with the bearing box; the bearing box is further provided with a cooling assembly communicated with an inner cavity of the bearing box. Through the arrangement of the transmission connecting assembly and the cooling assembly, the main shaft can be cooled in the using process, the bearing can be lubricated, and the using function of the vortex fan is effectively guaranteed; and meanwhile, the problems that the service life of a motor and the replacement frequency of parts are easily affected when the motor of a traditional vortex fan runs at high temperature are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fan, concretely relates to a process fan. BACKGROUND

[0002] The process fan belongs to one kind of industrial fan, and is mainly used for gas treatment in industrial production process, such as ventilation, exhaust, gas delivery, process gas supply and the like.

[0003] At present, the commonly used process fan is mainly vortex fan, and the vortex fan is also called vortex air pump, and the working principle is mainly based on the action of centrifugal force, and the main shaft is directly driven by the motor at high speed, when the impeller rotates, air is sucked into the annular inner cavity of the pump shell and is affected by the centripetal force, and moves to the edge of the impeller, and the air enters the side channel at the edge of the impeller, and is compressed and returns between the impeller cutter heads again to accelerate rotation, and with the rotation, the kinetic energy of the gas is improved, and the gas is extruded along the side channel. However, the main shaft of the vortex fan is made of cast aluminum alloy, and when the motor directly drives, a large amount of heat will be generated under high pressure compression, and the aluminum alloy main shaft will quickly conduct the heat generated by the gas to the motor in full contact, which easily causes the motor to operate at high temperature, seriously affecting the service life of the motor, and speeding up the frequency of replacement of parts.

[0004] Based on this, the utility model provides a kind of process fan to solve the problems existing in the prior art. UTILITY MODEL CONTENT

[0005] Therefore, the main purpose of the utility model is to provide a kind of process fan to solve the problems of the service life of the motor and the frequency of replacement of parts when the motor operates at high temperature in the traditional vortex fan.

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] A kind of process fan, including support frame, and the motor is arranged above support frame, the motor side is also provided with transmission connection component, and the motor is connected with vortex fan through shaft coupling, the vortex fan is arranged through the bearing box of transmission connection component, and is rotationally connected with bearing box, and cooling assembly is also arranged on the bearing box and communicated with the inner cavity of bearing box.

[0008] In a preferred embodiment, the vortex fan includes a main shaft, a fan and a bearing, the main shaft is arranged through the bearing box, one end of the main shaft is connected with the shaft coupling, the other end is connected with the fan, and the bearing is arranged in the bearing box and connected with the main shaft.

[0009] In a preferred embodiment, the outer side of the main shaft placed in the bearing box is further provided with a spiral blade, and the outer diameter of the spiral blade matches the inner diameter of the inner cavity of the bearing box.

[0010] In a preferred embodiment, the transmission connection assembly further comprises a front end sealing cover, a rear end sealing cover and an end cover, the front end sealing cover and the rear end sealing cover are both arranged at the two ends of the bearing box through sealing rings and matched with the main shaft to form a closed cavity in the bearing box.

[0011] In a preferred embodiment, the end cover is arranged on the rear end sealing cover and is in sealing connection with the rear end sealing cover.

[0012] In a preferred embodiment, the cooling assembly comprises an oil pipe, the oil pipe is fixedly arranged on the bearing box and is in communication with oil supply holes arranged on the rear end sealing cover and the end cover through an oil supply channel arranged on the bearing box.

[0013] In a preferred embodiment, the cooling assembly further comprises a heat dissipation pipe, the heat dissipation pipe is annularly arranged outside the bearing box and is connected with an oil discharge hole also arranged on the bearing box at one end and connected with the oil pipe at the other end.

[0014] In a preferred embodiment, the oil supply holes and the oil discharge holes are both located outside the bearing.

[0015] In a preferred embodiment, an oil plug is arranged on the oil pipe, the oil plug is detachably arranged at an oil injection port of the oil pipe.

[0016] In a preferred embodiment, a filter core is further fixed in the oil pipe through a fixing frame, the inner side of the filter core is in communication with the heat dissipation pipe and the outer side of the filter core is in communication with the oil supply channel.

[0017] Compared with the prior art, the utility model provides a process fan, has the following beneficial effects:

[0018] 1. Through the arrangement of the transmission connection assembly and the cooling assembly, the main shaft in the use process can be cooled and the bearing can be lubricated, so that the use function of the vortex fan is effectively ensured, and the problems of the traditional vortex fan, such as the influence of the use life of the motor and the replacement frequency of parts when the motor operates at high temperature, are solved.

[0019] 2. Through the cooperation of the cooling assembly and the vortex fan, the oil in the inner cavity of the bearing box can be propelled by the rotation of the main shaft, so that the oil is internally circulated, without other external driving, the active circulation of the oil in the oil circuit system can be realized, and the utility model has the advantages of simple structure and convenient use. BRIEF DESCRIPTION OF DRAWINGS

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of the process fan of this utility model;

[0022] Figure 2 This is a schematic diagram of the transmission connection assembly of this utility model;

[0023] Figure 3 This is a side view of the transmission connection assembly of this utility model;

[0024] Figure 4 This utility model Figure 3 Sectional view at point AA;

[0025] Figure 5 This utility model Figure 3 Sectional view at point BB;

[0026] Figure 6 This is a schematic diagram of the structure of the vortex blower of this utility model.

[0027] Figure 7 This utility model Figure 4 A magnified view of a portion of point A in the middle.

[0028] [Explanation of Key Component Symbols]

[0029] 1. Support frame; 2. Motor; 3. Transmission connection assembly; 31. Bearing housing; 311. Oil drain hole; 312. Oil supply channel; 32. Front sealing cover; 33. Rear sealing cover; 331. Oil supply hole; 34. End cover; 35. Spiral blades; 4. Vortex fan; 41. Main shaft; 42. Fan; 43. Bearing; 5. Cooling assembly; 51. Heat dissipation pipe; 52. Oil pipe; 53. Oil plug; 54. Fixing frame; 55. Filter element; 6. Positioning clamp. Detailed Implementation

[0030] The structure of the process fan will be further described in detail below with reference to the accompanying drawings and embodiments of the present invention.

[0031] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0032] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments as described in this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0033] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0034] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0035] As per the instruction manual Figures 1-7 As shown, this utility model provides a technical solution:

[0036] A process fan, comprising a support frame 1, a motor 2 and a transmission connecting assembly 3 fixedly installed above the support frame 1, the motor 2 is arranged at one side of the transmission connecting assembly 3 and connected with a vortex fan 4 through a shaft coupling, the vortex fan 4 is arranged through a bearing box 31 of the transmission connecting assembly 3 and rotationally connected with the bearing box 31, the transmission connecting assembly 3 is fixedly installed at one side of the motor 2, and a cooling assembly 5 is further installed on the bearing box 31 of the transmission connecting assembly 3 and communicated with an inner cavity of the bearing box 31.

[0037] In the above description, the motor 2 is used to drive the main shaft 41 of the vortex fan 4 to rotate, and the cooling assembly 5 is used to cool the main shaft 41 during use, so as to protect the main shaft 41 during use and avoid high-temperature damage during use. The bearing box 31 is fixedly installed on the support frame 1 through a positioning clamp 6.

[0038] In a preferred embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , the vortex fan 4 comprises a main shaft 41, a fan 42 and a bearing 43, the main shaft 41 is arranged through the bearing box 31, one end of the main shaft 41 is connected with the shaft coupling, the other end is connected with the fan 42, and the fan 42 is driven to rotate by the rotation of the main shaft 41, the bearing 43 is fixedly arranged in the bearing box 31, and the inner ring of the bearing 43 is connected with the main shaft 41.

[0039] The outer side of the main shaft 41 arranged in the bearing box 31 is further provided with a spiral blade 35, and the outer diameter of the spiral blade 35 matches the inner diameter of the inner cavity of the bearing box 31.

[0040] In the above description, the fan 42 is driven to rotate by the rotation of the motor 2, so as to realize the function of the process fan; the spiral blade 35 is used to rotate with the main shaft 41 during use, so as to push the oil in the inner cavity of the bearing box 31 to flow from one side of the oil supply hole 331 to one side of the oil discharge hole 311.

[0041] In a preferred embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the transmission connection assembly 3 comprises a bearing box 31, a front end sealing cover 32, a rear end sealing cover 33 and an end cover 34, the front end sealing cover 32 and the rear end sealing cover 33 are both fixedly installed at the two ends of the bearing box 31 through sealing rings and are used in cooperation with the main shaft 41 to form a closed cavity in the bearing box 31, and the end cover 34 is arranged on the rear end sealing cover 33 and is sealingly connected with the rear end sealing cover 33.

[0042] In the above description, through the arrangement of the front end sealing cover 32, the rear end sealing cover 33 and the end cover 34, the two ends of the bearing box 31 can be closed after installation, the sealing performance of the cavity in the bearing box 31 is ensured, and the rotating connection relationship between the bearing box 31 and the main shaft 41 is ensured.

[0043] In a preferred embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the cooling assembly 5 comprises a heat dissipation pipe 51 and an oil pipe 52, the oil pipe 52 is fixedly arranged on the bearing box 31 and is in communication with an oil supply hole 331 arranged on the rear end sealing cover 33 and the end cover 34 through an oil supply channel 312 arranged on the bearing box 31; the heat dissipation pipe 51 is annularly arranged outside the bearing box 31, one end of the heat dissipation pipe 51 is connected with an oil discharge hole 311 also arranged on the bearing box 31, and the other end of the heat dissipation pipe 51 is connected with the oil pipe 52, and the heat dissipation pipe 51 is preferably made of copper or other materials with good heat dissipation effect.

[0044] In the above description, the oil supply hole 331 and the oil discharge hole 311 are communicated through the heat dissipation pipe 51 to form a communicated oil circuit system for lubrication and cooling, which is used to play a role in lubricating the bearing 43 and cooling the main shaft 41 during use. By arranging the heat dissipation pipe 51 outside the bearing box 31, the length of the heat dissipation pipe 51 can be increased to play a role in heat dissipation and cooling, and at the same time, the heat dissipation pipe 51 arranged outside the bearing box 31 can also play a role in cooling the oil in the heat dissipation pipe 51 through the rotation of the fan 42 to take away the heat on the outer surface of the heat dissipation pipe 51. The rotation of the main shaft 41 drives the helical blade 35 to push the oil in the cavity of the bearing box 31 to realize the active flow of the oil in the entire oil circuit system.

[0045] As shown in Figure 1 , the oil supply hole 331 and the oil discharge hole 311 are both located outside the bearing 43, so that the oil can play a role in lubricating the bearing 43 during work.

[0046] In a preferred embodiment, as shown in Figure 2 , Figure 3 , Figure 4 , Figure 5 andFigure 7 Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 Figure 7 As shown, the oil pipe 52 is further provided with an oil plug 53, which is detachably installed at the oil inlet of the oil pipe 52, and a filter core 55 is further fixed in the oil pipe 52 through a fixing frame 54, the inner side of the filter core 55 is communicated with the heat dissipation pipe 51, and the outer side is communicated with an oil supply channel 312 arranged on the bearing box 31.

[0047] In the above description, when the oil completes a circulation to the inner side of the filter core 55, the filter core 55 is used to filter the impurities in the oil, and the filtered oil enters the inner cavity of the bearing box 31 through the inner side oil supply channel 312 of the filter core 55 for the next stage of circulation. By opening the oil plug 53, the oil supply system can be supplemented, and the oil plug 53 is a rubber plug structure, so when the filter core 55 is blocked and the oil pressure in the inner side of the filter core 55 is large, the oil plug 53 can be separated from the oil inlet under pressure, and the pressure relief protection function is realized.

[0048] The use process of the process fan includes: rotating the fan 42 by rotating the motor 2 to realize the function of the process fan.

[0049] At the same time, in the above process, the main shaft 41 rotates to drive the spiral blade 35 to push the oil in the inner cavity of the bearing box 31, so as to realize the active flow of the oil in the whole oil circuit system, and through the flow of the oil, the lubrication of the bearing 43 and the cooling of the main shaft 41 are realized; at the same time, the fan 42 rotates to take away the heat on the outer surface of the heat dissipation pipe 51, so as to ensure the cooling effect of the oil in the heat dissipation pipe 51, and effectively solve the problem that the service life of the motor and the replacement frequency of the parts are easily affected when the motor of the traditional vortex fan operates at high temperature.

[0050] The above is only a preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model.

Claims

1. A process fan comprising a support frame (1) and an electric motor (2) arranged above the support frame (1), characterized in that: The motor (2) is provided with a transmission connecting assembly (3) on one side, and the motor (2) is connected with a vortex fan (4) through a shaft coupling, the vortex fan (4) is provided through a bearing box (31) of the transmission connecting assembly (3) and is rotationally connected with the bearing box (31), and a cooling assembly (5) is further provided on the bearing box (31) and is communicated with an inner cavity of the bearing box (31); The vortex fan (4) comprises a main shaft (41), a fan (42) and a bearing (43), the main shaft (41) is provided through the bearing box (31), one end of the main shaft (41) is connected with the shaft coupling, and the other end is connected with the fan (42), and the bearing (43) is arranged in the bearing box (31) and is connected with the main shaft (41); The cooling assembly (5) comprises an oil pipe (52), the oil pipe (52) is fixedly arranged on the bearing box (31) and is communicated with an oil supply hole (331) arranged on the rear end sealing cover (33) and the end cover (34) through an oil supply channel (312) arranged on the bearing box (31); The cooling assembly (5) further comprises a heat dissipation pipe (51), the heat dissipation pipe (51) is annularly arranged outside the bearing box (31), one end of the heat dissipation pipe (51) is connected with an oil discharge hole (311) also arranged on the bearing box (31), and the other end is connected with the oil pipe (52); The oil supply hole (331) and the oil discharge hole (311) are both located outside the bearing (43).

2. A process fan as claimed in claim 1, wherein: A spiral blade (35) is further arranged outside a section of the main shaft (41) arranged in the bearing box (31), and an outer diameter of the spiral blade (35) matches an inner diameter of an inner cavity of the bearing box (31).

3. A process fan as claimed in claim 1, wherein: The transmission connecting assembly (3) further comprises a front end sealing cover (32), a rear end sealing cover (33) and an end cover (34), the front end sealing cover (32) and the rear end sealing cover (33) are both arranged at two ends of the bearing box (31) through sealing rings and match the main shaft (41), and a closed cavity is formed in the bearing box (31).

4. A process fan as claimed in claim 3, wherein: The end cover (34) is arranged on the rear end sealing cover (33) and is sealingly connected with the rear end sealing cover (33).

5. A process fan as claimed in claim 1, wherein: An oil plug (53) is arranged on the oil pipe (52), and the oil plug (53) is detachably arranged at an oil injection port of the oil pipe (52).

6. A process fan as claimed in claim 1, wherein: A filter core (55) is further fixed in the oil pipe (52) through a fixing frame (54), an inner side of the filter core (55) is communicated with the heat dissipation pipe (51), and an outer side of the filter core (55) is communicated with the oil supply channel (312).

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