Three-blade curved surface axial flow type impeller

Abstract

The utility model provides a three-blade curved surface axial flow type impeller. The three-blade curved surface axial flow type impeller comprises a hub, a mounting plate and blades, an inner cavity of the hub is provided with an internal thread; the mounting plates are uniformly distributed along the periphery of the hub, the mounting plates are provided with locking pieces, and the blades are connected with the mounting plates through the locking pieces; the blade wing is connected with the hub through the mounting plate, the attack angle of the blade wing is alpha, and the torsion angle of the blade wing is Beta. According to the utility model, the hub, the mounting plate, the locking piece, the screw rod, the screw cap, the blade wing and the like are matched for use, and the blade wing and the mounting plate are connected through the locking piece, so that the blade wing and the mounting plate are connected through the screw rod and the screw cap; the design that the three blades are matched with the mounting plate and the hub is changed into an axial flow type impeller, so that the shearing force of the blades in the using process is weakened, the output performance of axial flow is enhanced, and the energy-saving effect is achieved by reducing the dynamic coefficient of the whole mechanism during rotation.

Description

TECHNICAL FIELD

[0001] The utility model relates to impeller technical field especially is related to a three leaf curved surface axial -flow type impeller. BACKGROUND

[0002] Three oblique leaf pulp impeller is a kind of mixer of mixed flow form, main apparent axial flow nature also has radial flow nature, three oblique leaf pulp impeller is used for the mixing and dissolution of gas and liquid, or the mixing of solid and liquid to prevent sedimentation, or foaming etc.;

[0003] Wherein, in the mixing process of solid and liquid, the blade of three oblique leaf pulp impeller is strip-shaped plate, the shear force between blade and material is too large, resulting in the higher dynamic coefficient when the whole mechanism rotates, and it is more energy-consuming. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of three leaf curved surface axial -flow type impeller, to solve the shear force between blade and material is too large, resulting in the higher dynamic coefficient when the whole mechanism rotates, and it is more energy-consuming problem.

[0005] The utility model provides a kind of three leaf curved surface axial -flow type impeller, comprising:

[0006] Hub, mounting plate and blade wing;

[0007] The inner cavity of the hub is provided with internal thread;

[0008] The mounting plate is evenly distributed along the outer periphery of the hub, the mounting plate is provided with locking piece, the blade wing is connected by the locking piece and the mounting plate;

[0009] The blade wing is connected with the hub by the mounting plate, and the attack angle of the blade wing is α, and the torsion angle of the blade wing is β.

[0010] Preferably, the locking piece includes screw rod and nut;

[0011] The screw rod and the mounting plate are fixedly connected, the screw rod is matched with the sliding slot of the blade wing, and the nut is connected with the internal thread of the end of the screw rod away from the mounting plate.

[0012] Preferably, the inner cavity of the hub is provided with an auxiliary assembly, and the auxiliary assembly is used to assist the stable rotation of the hub;

[0013] The auxiliary assembly includes a threaded joint, a connecting piece, a ball seat and a ball body;

[0014] The threaded end of the threaded joint is connected with the internal thread of the hub, the ball seat is connected with the threaded joint through the connecting piece, and the ball body is rotatably connected with the limiting slot of the ball seat.

[0015] Preferably, the connecting piece comprises a cylinder, a supporting rod and a positioning pin.

[0016] The cylinder is fixedly connected with the threaded joint, the supporting rod is inserted into the through slot of the cylinder, and the supporting rod is connected with the cylinder through the positioning pin.

[0017] Preferably, the supporting rod is provided with threaded holes which are uniformly distributed along the supporting rod.

[0018] Preferably, an alpha angle between the root of the blade wing and the hub is 30-60 degrees.

[0019] Preferably, a beta angle along the span of the blade wing from the root to the tip is 10-20 degrees.

[0020] Preferably, the blade wings are arranged at an interval of 120 degrees along the hub.

[0021] The utility model provides a three -leaf curved surface axial -flow type impeller:

[0022] Through the cooperation of the hub, the mounting plate, the locking piece, the screw rod, the nut, the blade wing and the like, the blade wing and the mounting plate are connected through the locking piece, three blade wings cooperate with the design of the mounting plate and the hub and become the impeller of the axial -flow type, the shear force of the blade wing in the use process is weakened, the axial flow discharge performance is strengthened, the power coefficient when the whole mechanism rotates is reduced, has the effect of energy -conserving, the blade wing moves on the outer wall of the screw rod through the sliding groove, the position of the blade wing is fixed through the nut, the distance between the blade wing and the hub is changed, and the stirring range of the blade wing is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0024] Figure 1 It is a structural schematic view of the utility model;

[0025] Figure 2 It is a structural schematic view of the mounting plate, the screw rod, the nut and the blade wing in the utility model;

[0026] Figure 3 It is a structural schematic view of the threaded joint, the connecting piece, the ball seat and the ball in the utility model;

[0027] Figure 4The structure schematic view of the hub, the mounting plate and the blade wing in the utility model.

[0028] Figure 5 The structure schematic view of the hub, the mounting plate and the blade wing in the utility model.

[0029] Mark explanation:

[0030] 1-hub, 2-mounting plate, 21-locking piece, 211-screw rod, 212-nut, 3-blade wing, 4-assistant component, 41-threaded joint, 42-connecting piece, 421-cylinder, 422-supporting rod, 423-positioning pin, 43-ball seat, 44-ball. Specific implementation

[0031] The technical scheme of the utility model will be described clearly and completely in combination with the embodiments, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0032] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the orientation or position relation shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied that the indicated device or element must have a particular orientation, and is constructed and operated, therefore, it cannot be understood as the limitation of the utility model.

[0033] In the description of the utility model, it is understood that the terms "first"-"second" are only for the description purpose, and cannot be understood as indicative or implied relative importance or impliedly indicate the number of the indicated technical features. Therefore, the features limited by "first"-"second" can explicitly or implicitly include one or more said features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly and specifically limited. In addition, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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, or it can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In this embodiment, asFigure 1 and Figure 2 As shown, a three-bladed curved axial flow impeller includes: a hub 1, a mounting plate 2, and blades 3. The inner cavity of the hub 1 is provided with internal threads. The mounting plate 2 is evenly distributed along the outer periphery of the hub 1 and is equipped with a locking member 21. The blades 3 are connected to the mounting plate 2 through the locking member 21 and are connected to the hub 1 through the mounting plate 2. The angle of attack of the blades 3 is α, and the angle of torsion of the blades 3 is β.

[0035] Thus, by connecting the blades 3 and the mounting plate 2 through the locking member 21, the three blades 3, together with the mounting plate 2 and the hub 1, are designed to become an axial flow impeller, which weakens the shear force of the blades 3 during use, enhances the axial flow discharge performance, and has an energy-saving effect by reducing the power coefficient of the overall mechanism during rotation.

[0036] Specifically, the hub 1 is machined into a cylindrical cavity, the mounting plate 2 is provided with three parts, and the locking part 21 is used to connect the blade 3 and the mounting plate 2;

[0037] The α angle (angle of attack) refers to the angle at which the root of the blade 3 is fixed to the hub 1. The α angle here refers to the installation angle at the connection between the blade and the hub, that is, the angle between the leading edge of the blade 3 and the plane of the hub 1. This angle is crucial to the aerodynamic performance of the blade because it affects the relative position of the blade 3 and the mixture, and thus affects the drag generated by the blade 3.

[0038] The β angle (torsion angle) refers to the spanwise torsion angle of the blade 3 from the root to the tip. This angle describes the degree of torsion of the blade 3 from the leading edge to the trailing edge and is an important parameter in the design of the blade 3. The change of the β angle adjusts the aerodynamic load distribution of the blade 3 along the spanwise direction.

[0039] Furthermore, the design of blade 3 transforms the traditional tri-slant impeller of mixed flow into an axial flow impeller shape to weaken the shear force of blade 3 during use and enhance the discharge performance of axial flow.

[0040] In some embodiments, such as Figure 2 As shown, the locking component 21 includes a screw 211 and a nut 212. The screw 211 is fixedly connected to the mounting plate 2. The screw 211 is adapted to the groove of the blade 3. The nut 212 is internally threaded to the end of the screw 211 away from the mounting plate 2.

[0041] Specifically, each mounting plate 2 and blade 3 is equipped with two locking parts 21. The blade 3 is machined with a groove that matches the screw 211. The nut 212 is used to fix the position of the screw 211 in the blade 3.

[0042] In some embodiments, such as Figure 3As shown, the inner cavity of the hub 1 is configured with an auxiliary assembly 4, which is used to assist the hub 1 to rotate stably, and the auxiliary assembly 4 comprises a threaded joint 41, a connecting piece 42, a ball seat 43 and a ball 44, the threaded end of the threaded joint 41 is screwed with the inner threaded hole of the hub 1, the ball seat 43 is connected with the threaded joint 41 through the connecting piece 42, and the ball 44 is rotationally connected with the limiting groove of the ball seat 43.

[0043] Specifically, the threaded end of the threaded joint 41 is matched with the inner threaded hole of the hub 1, the ball seat 43 is processed with a spherical groove matched with the ball 44, and the ball 44 is in rolling friction with the external object.

[0044] In some embodiments, as shown in the figure, Figure 3 The connecting piece 42 comprises a cylinder 421, a support rod 422 and a positioning pin 423, the cylinder 421 is fixedly connected with the threaded joint 41, the support rod 422 is inserted into the through groove of the cylinder 421, and the support rod 422 is connected with the cylinder 421 through the positioning pin 423.

[0045] Specifically, the cylinder 421 is processed with a through hole matched with the support rod 422, the support rod 422 is used to adjust the use position of the ball seat 43, the outer wall of the positioning pin 423 is processed with threads, and the support rod 422 and the cylinder 421 can also be fixed by using other connecting structures.

[0046] In some embodiments, as shown in the figure, Figure 3 The support rod 422 is configured with threaded holes, and the threaded holes are uniformly distributed along the support rod 422.

[0047] Specifically, the threaded holes are matched with the positioning pin 423, and the positioning pin 423 is connected with different threaded holes to fix the position of the support rod 422 in the cylinder 421.

[0048] In some embodiments, as shown in the figure, Figure 4 The angle α between the root of the blade wing 3 and the hub 1 is 30-60 degrees.

[0049] Specifically, the angle α is 30-60 degrees, so that the blade wing 3 is in an inclined state as a whole, so as to facilitate the blade wing 3 to stir the material.

[0050] In some embodiments, as shown in the figure, Figure 5 The blade wing 3 is arranged at an angle β of 10-20 degrees along the span from the root to the tip.

[0051] The angle β is in the range of 10-20 degrees, so that the blade wing 3 forms a curved surface to effectively weaken the shear force when the blade wing 3 rotates.

[0052] In some embodiments, as shown in the figure, Figure 5 The blade wing 3 is arranged at an angle of 120 degrees along the hub 1.

[0053] Three vane wings 3 are evenly distributed on the outer periphery of the hub 1 to improve the stirring effect of the vane wings 3.

[0054] The working principle of the application is described below with a preferred embodiment:

[0055] The vane wings 3 and the mounting plate 2 are connected by the locking member 21, the vane wings 3 move on the outer wall of the screw rod 211 through the sliding groove, the position of the vane wings 3 is fixed by the nut 212, the distance between the vane wings 3 and the hub 1 is changed to adjust the stirring range of the vane wings 3, the three vane wings 3 cooperate with the design of the mounting plate 2 and the hub 1 to become an axial flow type impeller to weaken the shear force of the vane wings 3 during use, when the hub 1 is used in the vertical direction, the external transmission shaft is connected with the top end of the hub 1, the threaded joint 41 is connected with the bottom end of the hub 1, the support rod 422 is moved in the cylinder 421, the ball body 44 in the ball seat 43 is abutted with the container, then the position of the support rod 422 in the cylinder 421 is fixed by the positioning pin 423, the traditional mounting mode of the hub 1 suspended in the air is changed, when the vane wings 3 rotate to stir the material, the ball body 44 rolls in the ball seat 43 to increase the stability of the hub 1.

[0056] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A three-bladed curved-axial-impeller, characterized by, The utility model relates to a kind of winged wheel, including: Wheel hub (1), mounting plate (2) and vane (3); The inner cavity of the wheel hub (1) is provided with internal thread; The mounting plate (2) is evenly distributed along the outer periphery of the wheel hub (1), the mounting plate (2) is provided with locking piece (21), the vane (3) is connected by the locking piece (21) and the mounting plate (2); The locking piece (21) includes screw rod (211) and nut (212); The screw rod (211) and the mounting plate (2) are fixedly connected, the screw rod (211) is matched with the sliding slot of the vane (3), the nut (212) is connected with the internal thread of the end of the screw rod (211) away from the mounting plate (2); The vane (3) is connected with the wheel hub (1) by the mounting plate (2), and the angle of attack of the vane (3) is α, the torsion angle of the vane (3) is β; The angle between the root of the vane (3) and the wheel hub (1) is 30-60 degrees; The β angle of the vane (3) from root to tip along the span is 10-20 degrees.

2. A three-bladed curved-axial-impeller according to claim 1, characterized in that The inner cavity of the wheel hub (1) is provided with auxiliary assembly (4), and the auxiliary assembly (4) is used to assist the wheel hub (1) to rotate stably; The auxiliary assembly (4) includes threaded joint (41), connecting piece (42), ball seat (43) and ball (44); The threaded end of the threaded joint (41) is connected with the internal thread of the wheel hub (1), the ball seat (43) is connected with the threaded joint (41) by the connecting piece (42), and the ball (44) is rotatably connected with the limiting groove of the ball seat (43).

3. A three-bladed curved-axial-impeller according to claim 2, characterized in that The connecting piece (42) includes cylinder (421), support rod (422) and positioning pin (423); The cylinder (421) is fixedly connected with the threaded joint (41), the support rod (422) is inserted into the through slot of the cylinder (421), and the support rod (422) is connected with the cylinder (421) by the positioning pin (423).

4. A three-bladed curved-axial-impeller according to claim 3, characterized in that The support rod (422) is provided with threaded holes, and the threaded holes are evenly distributed along the support rod (422).

5. A three-bladed curved-axial-impeller according to claim 1, characterized in that, The vane (3) is arranged at an angle of 120 degrees along the wheel hub (1).

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