Axial flow fan applied to vinasse mixing machine

Abstract

The utility model discloses an axial flow fan applied to a grain mixing machine, which comprises a fan shell, a support frame, a protective shell, a flow guide mechanism and an adjusting mechanism, a cylindrical cavity is arranged on the fan shell in a penetrating manner, and the support frame is fixed in the cylindrical cavity of the fan shell. The flow guide mechanism and the adjusting mechanism are arranged, a first servo motor in the flow guide mechanism drives a driving disc to rotate, a belt drives a driven disc and a transmission rod to rotate synchronously, and then fan blades rotate to drive airflow to circulate; through the arrangement of the adjusting mechanism, when the airflow of the axial flow fan needs to be adjusted, a butt joint seat can be driven to be linked through sliding of an adjusting rod, then a linkage rod is driven to be linked through the butt joint seat, fan blades are driven to rotate on a transmission rod through the linkage rod, and rapid adjustment of the angles of the fan blades is achieved; and therefore, the air flow generated when the fan blades move can be quickly adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of axial flow fans, specifically a kind of axial flow fan applied to mixed machine belongs to axial flow fan technical field. BACKGROUND

[0002] Mixed machine is mainly composed of stainless steel section bar, stainless steel sheet, stainless steel punched chain plate, axial flow fan, scattering device, temperature device, transmission system, PLC system etc., and axial flow fan is indispensable equipment in mixed machine, axial flow fan, that is, airflow direction and the shaft of fan blade are in the same direction of a class of fan, such as electric fan, air conditioner outdoor unit fan is axial flow mode operating fan, it is called "axial flow type" because gas flows parallel to fan shaft, axial flow fan is usually used in the occasion that flow requirement is higher and pressure requirement is lower, axial flow fan is fixed position and makes air move.

[0003] However, the existing axial flow fan mostly has various problems, for example, in the axial flow fan disclosed in the publication No. CN116717483B, although the range is improved, and the impact force of airflow is improved, but in the technical scheme and most of the current axial flow fans, the power of fan is mostly certain, which leads to the output power of fan being certain, and in some scenes that need to adjust the output power of fan, it cannot be applied, at this time, fan with adjustable output power needs to be used, and such fan is generally high in cost and easy to be damaged, needs to be maintained regularly when used, which is tedious in operation and also causes unnecessary economic burden. SUMMARY

[0004] The technical scheme of the utility model provides a solution significantly different from the prior art in view of the technical problem that the prior art solution is too single, and specifically, the purpose of the utility model is to solve the above-mentioned shortcomings in the prior art, and an axial flow fan applied to mixed machine is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An axial flow fan applied to mixed machine, comprising a fan housing, a support frame, a protective shell, a flow guide mechanism and an adjusting mechanism, a cylindrical cavity is provided through the fan housing, the support frame is fixed in the cylindrical cavity of the fan housing, the protective shell is provided at one side of the center of the support frame;

[0007] The flow guide mechanism and the adjusting mechanism are both provided on the support frame, and the flow guide mechanism comprises a transmission rod and a fan blade, the transmission rod is rotatably connected at the center of the support frame, one end of the fan blade is rotatably connected to the side wall of one end of the transmission rod;

[0008] The adjusting mechanism comprises an adjusting rod, a butt joint base and a linkage rod, the adjusting rod is slidingly connected at the center of the transmission rod, the butt joint base is rotationally connected on the adjusting rod close to one end of the fan blade, and one end of the linkage rod is rotationally connected on the butt joint base and the other end is rotationally connected on the fan blade.

[0009] As a further scheme of the utility model: the flow guide mechanism further comprises a driven disc, a first servo motor, a driving disc and a belt, the driven disc is coaxially fixed on the transmission rod, the first servo motor is fixed on the support frame, the driving disc is coaxially fixed on the output shaft of the first servo motor, and the belt is arranged between the driven disc and the driving disc.

[0010] As a further scheme of the utility model: the adjusting mechanism further comprises a second servo motor, a passive plate and a connecting rod, the second servo motor is fixed on the support frame and located in the protective shell, the passive plate is fixed on the output shaft of the second servo motor, and the two ends of the connecting rod are rotationally connected between the passive plate and the adjusting rod.

[0011] As a further scheme of the utility model: a notch is formed in the protective shell, and the belt passes through the notch of the protective shell.

[0012] As a further scheme of the utility model: the diameter of the driven disc is at least twice that of the driving disc.

[0013] As a further scheme of the utility model: notches are formed in the outer walls of the driven disc and the driving disc, protrusions are formed in the inner wall of the belt, and the protrusions of the belt are misaligned with the notches of the outer walls of the driven disc and the driving disc.

[0014] The utility model discloses the beneficial effects are:

[0015] In the utility model, through the setting of flow guide mechanism and adjusting mechanism, then through the first servo motor in flow guide mechanism drive driving disc rotation, then through the belt drive driven disc and transmission rod synchronous rotation, then make the fan blade rotation drive airflow circulation, and through the setting of adjusting mechanism make the airflow size of the axial flow fan when needing to adjust, can drive butt joint base linkage through the sliding of adjusting rod, then drive linkage rod linkage through butt joint base, drive fan blade rotation on transmission rod through linkage rod, realize the quick adjustment of fan blade angle, then realize the quick adjustment of the airflow size generated when fan blade moves, simple and efficient, control through mechanical structure at the same time, effectively reduce the maintenance cost of device whole. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is external whole structure schematic diagram of the utility model;

[0017] Figure 2This is a schematic diagram of the support frame and its overall connection structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the flow guide mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0020] Figure 5 This is a schematic diagram of the linkage rod and its connection structure of the utility model.

[0021] In the figure: 1. Fan casing, 2. Support frame, 3. Protective shell, 4. Guide mechanism, 41. Transmission rod, 42. Fan blade, 43. Driven disk, 44. First servo motor, 45. Active disk, 46. Belt, 5. Adjustment mechanism, 51. Adjustment rod, 52. Docking seat, 53. Linkage rod, 54. Second servo motor, 55. Passive plate, 56. Connecting rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1, as Figures 1 to 5 As shown, an axial flow fan used in a mash mixer includes a fan housing 1, a support frame 2, a protective shell 3, a flow guide mechanism 4, and an adjustment mechanism 5. The fan housing 1 is provided with a cylindrical cavity, the support frame 2 is fixed in the cylindrical cavity of the fan housing 1, and the protective shell 3 is provided on one side of the center of the support frame 2.

[0024] The flow guide mechanism 4 and the adjustment mechanism 5 are both arranged on the support frame 2, and the flow guide mechanism 4 includes a transmission rod 41 and a fan blade 42. The transmission rod 41 is rotatably connected to the center of the support frame 2, and one end of the fan blade 42 is rotatably connected to the side wall of one end of the transmission rod 41;

[0025] The flow guide mechanism 4 further includes a driven disc 43, a first servo motor 44, a driving disc 45 and a belt 46. The driven disc 43 is coaxially fixed to the transmission rod 41, the first servo motor 44 is fixed to the support frame 2, the driving disc 45 is coaxially fixed to the output shaft of the first servo motor 44, and the belt 46 is provided between the driven disc 43 and the driving disc 45.

[0026] The adjusting mechanism 5 comprises an adjusting rod 51, an abutting seat 52 and a linkage rod 53, the adjusting rod 51 is slidingly connected at the center of the transmission rod 41, the abutting seat 52 is rotationally connected on the adjusting rod 51 close to one end of the fan blade 42, one end of the linkage rod 53 is rotationally connected on the abutting seat 52, and the other end is rotationally connected on the fan blade 42;

[0027] The adjusting mechanism 5 further comprises a second servo motor 54, a passive plate 55 and a connecting rod 56, the second servo motor 54 is fixed on the support frame 2 and located in the protective shell 3, the passive plate 55 is fixed on the output shaft of the second servo motor 54, and the two ends of the connecting rod 56 are rotationally connected between the passive plate 55 and the adjusting rod 51.

[0028] In the utility model, through the setting of the flow guide mechanism 4 and the adjusting mechanism 5, further through the first servo motor 44 in the flow guide mechanism 4 drives the driving disc 45 to rotate, further through the belt 46 drives the driven disc 43 and the transmission rod 41 to rotate synchronously, further makes the fan blade 42 rotate and drives the airflow circulation, and through the setting of the adjusting mechanism 5, when the airflow size of the axial flow fan needs to be adjusted, the sliding of the adjusting rod 51 drives the abutting seat 52 to link, further drives the linkage rod 53 to link through the abutting seat 52, drives the fan blade 42 to rotate on the transmission rod 41 through the linkage rod 53, realizes the quick adjustment of the angle of the fan blade 42, further realizes the quick adjustment of the airflow size generated by the fan blade 42 when moving, is simple and efficient, and is controlled through a mechanical structure, thereby effectively reducing the maintenance cost of the whole device.

[0029] In the embodiment two, as shown in the figure, Figures 1 to 5 In addition to comprising all the technical features in the embodiment one, the embodiment two further comprises:

[0030] The protective shell 3 is provided with a slot, the belt 46 passes through the slot of the protective shell 3, the flow guide mechanism 4 and the adjusting mechanism 5 are protected through the protective shell 3, and the belt 46 can smoothly run.

[0031] The diameter of the driven disc 43 is at least twice that of the driving disc 45, and the torque of the first servo motor 44 is improved through the transmission members with different diameters.

[0032] The outer walls of the driven disc 43 and the driving disc 45 are provided with slots, the inner wall of the belt 46 is provided with a protrusion, the protrusion of the belt 46 is mismatched with the slots of the outer walls of the driven disc 43 and the driving disc 45, and the slippage of the belt 46 during linkage is avoided through the mutual cooperation of the slots and the protrusion.

[0033] When using the axial flow fan, first fix the fan as a whole in an appropriate position in the mixer, then start the first servo motor 44, and drive the active disk 45 to rotate through the first servo motor 44, and then drive the driven disk 43 and the transmission rod 41 to rotate synchronously through the belt 46, so that the fan blades 42 rotate to drive the air circulation. When the airflow size of the axial flow fan needs to be adjusted, the passive plate 55 is driven to be linked through the second servo motor 54, and then the adjusting rod 51 is driven to slide in the transmission rod 41 through the passive plate 55 and the connecting rod 56, and the sliding of the adjusting rod 51 drives the docking seat 52 to be linked, and then the docking seat 52 drives the linkage rod 53 to be linked, and the linkage rod 53 drives the fan blades 42 to rotate on the transmission rod 41, so as to realize the rapid adjustment of the angle of the fan blades 42, and then realize the rapid adjustment of the airflow size generated by the fan blades 42 during movement.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0035] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An axial flow fan for a mash mixer, comprising a fan housing (1), a support frame (2), a protective shell (3), a flow guide mechanism (4) and an adjustment mechanism (5), characterized in that: A cylindrical cavity is provided through the fan housing (1), the support frame (2) is fixed in the cylindrical cavity of the fan housing (1), and the protective shell (3) is provided on one side of the center of the support frame (2); The flow guiding mechanism (4) and the regulating mechanism (5) are both arranged on the support frame (2), and the flow guiding mechanism (4) comprises a transmission rod (41) and a fan blade (42), wherein the transmission rod (41) is rotatably connected to the center of the support frame (2), and one end of the fan blade (42) is rotatably connected to the side wall of one end of the transmission rod (41); The adjustment mechanism (5) comprises an adjustment rod (51), a docking seat (52) and a linkage rod (53), wherein the adjustment rod (51) is slidably connected to the center of the transmission rod (41), the docking seat (52) is rotatably connected to one end of the adjustment rod (51) close to the fan blade (42), and one end of the linkage rod (53) is rotatably connected to the docking seat (52), and the other end is rotatably connected to the fan blade (42).

2. The axial flow fan according to claim 1, characterized in that: The flow guide mechanism (4) further comprises a driven disc (43), a first servo motor (44), a driving disc (45) and a belt (46), wherein the driven disc (43) is coaxially fixed to the transmission rod (41), the first servo motor (44) is fixed to the support frame (2), the driving disc (45) is coaxially fixed to the output shaft of the first servo motor (44), and the belt (46) is arranged between the driven disc (43) and the driving disc (45).

3. The axial flow fan according to claim 1, characterized in that: The regulating mechanism (5) further comprises a second servo motor (54), a passive plate (55) and a connecting rod (56); the second servo motor (54) is fixed on the support frame (2) and is located in the protective shell (3); the passive plate (55) is fixed on the output shaft of the second servo motor (54); and both ends of the connecting rod (56) are rotatably connected between the passive plate (55) and the regulating rod (51).

4. The axial flow fan according to claim 2, characterized in that: A notch is provided on the protective shell (3), and the belt (46) passes through the notch of the protective shell (3).

5. The axial flow fan according to claim 2, characterized in that: The diameter of the driven disc (43) is at least twice that of the driving disc (45).

6. The axial flow fan according to claim 2, characterized in that: The outer walls of the driven disk (43) and the driving disk (45) are provided with notches, the inner wall of the belt (46) is provided with protrusions, and the protrusions of the belt (46) are staggeredly matched with the notches on the outer walls of the driven disk (43) and the driving disk (45).

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