CN210440275U - Impeller for pump and centrifugal impeller pump - Google Patents

Abstract

The utility model discloses an impeller for pump, impeller for pump is including the first round piece of being connected with the power take off shaft of pump and the second round piece of being connected with first round piece, the second round piece sets up and keeps the interval with first round piece relatively, in order to form between the two between the material interval, be provided with the first feed inlet that supplies the material to get into between the material interval on the second round piece, the material interval is provided with the material chamber of acceping with first feed inlet intercommunication, be connected with a plurality of floor subassemblies on first round piece or the second round piece, a plurality of floor subassemblies are along the circumference distribution of acceping the material chamber, cut apart into a plurality of circulation chambeies with the part of material interval except for acceping the material chamber, the first end in each circulation chamber all with accede the material chamber intercommunication, the second end is provided with the second discharge gate, be provided with the passageway that supplies two adjacent circulation chambeies to communicate on each floor subassembly. When the pump impeller is used for conveying liquid materials containing blocks, the pump impeller has high penetrability to the blocks, does not shear and crush the blocks, and obviously reduces the destructiveness to high fibers of the materials.

Description

Impeller for pump and centrifugal impeller pump

Technical Field

The utility model relates to a conveying equipment technical field, more specifically say, relate to an impeller reaches centrifugal impeller pump including this impeller for pump.

Background

The impeller is an important component of the impeller pump, the impeller rotates in the pump cavity to enable the pump cavity to form suction force and suck liquid materials into the pump cavity, and then the liquid materials are conveyed out of the pump cavity through the rotation of the impeller to form the working process of the impeller pump. In the breeding industry, materials such as various beans, corns, granular protein materials, silage materials and the like and water are added into a stirring tank to be stirred and mixed to form a viscous liquid-state feed, the feed needs to be conveyed to each breeding interval with a large number through a pipeline, and a pump needs to be arranged on the pipeline to increase power in order to ensure normal conveying of the feed. However, in the prior art, the impeller in the pump is provided with a plurality of wheel blades or gear teeth which rotate around the power output shaft, when feed flows through the pump cavity and the impeller, the high-speed rotation of the impeller can cause the peripheral sides of the wheel blades or the gear teeth to shear, grind or break lumps in the feed, so that the impeller pump has poor trafficability of particles or lumps in the feed and high-fiber objects, and can have great destructiveness to the substances and is difficult to keep the lumps or high-fiber objects in a basically original circulation state. This causes great damage to the feed for cultivation or many liquid materials for food such as fruit juice containing lumpy fruit grains, etc., reduces the high fiber and nutrition degree contained in the materials, and affects the taste of the materials.

In view of the above, there is a need to develop an impeller or impeller pump which has high throughput for lumps and high fiber, and significantly reduces the shearing and crushing functions for materials.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impeller for pump, when it carried the liquid material that contains the cubic, high, can not cut the cubic and broken the trafficability characteristic of cubic, show that ground reduces the destructiveness to the material high fiber. An object of the utility model is also to provide a centrifugal impeller pump of impeller for including above-mentioned pump.

The utility model provides an impeller for a pump, which comprises a first wheel sheet connected with a power output shaft of the pump and a second wheel sheet connected with the first wheel sheet, the second wheel sheet and the first wheel sheet are oppositely arranged and keep a distance so as to form a material interval between the second wheel sheet and the first wheel sheet, the second wheel sheet is provided with a first feed port for materials to enter the material section, the material section is provided with a material unloading cavity communicated with the first feed port, the material interval is provided with a plurality of rib plate components, the rib plate components are distributed along the circumferential direction of the material unloading cavity and divide the part of the material interval except the material unloading cavity into a plurality of circulation cavities, the first end of each circulation cavity is communicated with the material unloading cavity, the second end of each circulation cavity is provided with a second discharge hole, and each rib plate component is provided with a channel for communicating two adjacent circulation cavities.

Preferably, the first wheel sheet and the second wheel sheet are both of a circular structure and coaxial, the first feed port is located at the center of the second wheel sheet, and the material discharging cavity is aligned with the first feed port.

Preferably, the first ends of the respective rib plate assemblies are spaced apart from the central axis of the circular structure such that the respective first ends form the material receiving chamber therebetween.

Preferably, each rib includes a first rib connected to the first wheel and a second rib connected to the second wheel, and the first rib and the second rib are disposed opposite to each other with a space therebetween so that the space therebetween forms the channel.

Preferably, each rib plate assembly extends along the radial direction of the circular structure, so that the second end of each circulation cavity is open to form the second discharge hole.

Preferably, an inclined surface structure is provided at an end of the first rib plate close to the material discharging chamber, and the inclined surface structure is gradually inclined in a direction away from a central axis of the first wheel plate in a direction from the first wheel plate to the second wheel plate.

The utility model also provides a centrifugal impeller pump, including pump case, power device and being located impeller in the pump chamber that the pump case formed, a serial communication port, the impeller be as above arbitrary any impeller for the pump.

Preferably, a second feed inlet and a second discharge outlet which are communicated with the pump cavity are arranged on the pump shell, and the second feed inlet is aligned with the first feed inlet; the pump chamber is oval structure, the central axis of impeller for the pump with the second discharge gate all is located on the major axis of oval structure.

Preferably, the distance between the side wall of the pump shell where the second feed inlet is located and the first feed inlet is less than 5 mm.

Preferably, the first wheel piece and the second wheel piece are both disc-shaped, and the edges of the peripheral sides of the first wheel piece and the second wheel piece are both provided with a fillet structure.

The utility model provides an among the technical scheme, the impeller is taken turns the piece including the first round piece of being connected with the power take off hub connection of pump and the second of being connected with first round piece for the pump. The second wheel sheet and the first wheel sheet are oppositely arranged and keep a distance so as to form a material interval between the second wheel sheet and the first wheel sheet. The second wheel sheet is provided with a first feed port for feeding materials into the material section, so that the materials are fed into the material section from the first feed port. And a material unloading cavity communicated with the first feed port is arranged in the material section, and a plurality of rib plate assemblies are arranged. The plurality of rib plate assemblies are distributed along the circumferential direction of the material storage cavity and divide the part of the material section except the material storage cavity into a plurality of circulation cavities, the first end of each circulation cavity is communicated with the material storage cavity, and the second end of each circulation cavity is provided with a second discharge hole. The material gets into and receives the material chamber from first feed inlet, then gets into each circulation chamber that receives material chamber circumference under the effect of centrifugal force, then throws away from the second discharge gate of the second end of circulation chamber. This process has realized the transport of liquid mixture to the material gets into from first feed inlet, flows through to tunn material chamber and circulation chamber, then throws away from the second discharge gate, and whole journey has avoided the material and the week side of pivoted wheel piece to collide, prevents effectively that the wheel piece of pump impeller from producing to cut or grind and cut the cubic in the material. And each rib plate component is provided with a channel for communicating two adjacent circulating cavities. The material can produce centrifugal force along with the rotation of wheel piece, and after getting into the circulation chamber, under the effect of centrifugal force the material can get into adjacent circulation chamber from the circulation chamber that self is located through the passageway then throw away from the second discharge gate of adjacent circulation chamber, weakens the collision of material and circulation chamber lateral wall, effectively offsets the destruction degree of the effort that the wheel piece produced and centrifugal force is opposite to the material. According to the configuration, the utility model provides a pump impeller, when it carried the liquid material that contains the cubic, high, can not cut the cubic and broken to the trafficability characteristic of cubic material, the reduction is showing the high fibrous destructiveness of material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an impeller for a pump according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a material section in an embodiment of the present invention;

fig. 3 is a schematic structural view of a first wheel sheet in an embodiment of the present invention;

fig. 4 is a schematic structural view of a second wheel sheet in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a centrifugal impeller pump according to an embodiment of the present invention.

In fig. 1-5:

the device comprises a first wheel sheet-1, a second wheel sheet-2, a first feeding hole-3, a material discharging cavity-4, a circulating cavity-5, a channel-6, a first ribbed plate-7, a second ribbed plate-8, a pump shell-9, a second feeding hole-10 and a second discharging hole-11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of the present embodiment is to provide an impeller for a pump, which has high passability for a liquid material containing a cake, does not shear or crush the cake, and significantly reduces the destructiveness of high fibers of the material. It is also an object of this embodiment to provide a centrifugal impeller pump comprising an impeller for a pump as described above.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-5, an impeller for a pump according to the present embodiment includes a first impeller 1 connected to a power output shaft of the pump and a second impeller 2 connected to the first impeller 1. The second wheel sheet 2 and the first wheel sheet 1 are oppositely arranged and keep a distance so as to form a material interval for material circulation between the second wheel sheet and the first wheel sheet. The second wheel sheet 2 is provided with a first feed port 3 for feeding materials into the material interval, the first feed port 3 of the second wheel sheet 2 is completely immersed into liquid or liquid materials to be conveyed, and the first wheel sheet 1 is positioned above the liquid level, namely, the parts of the material interval, which are positioned at the side edge positions of the first wheel sheet 1 and the second wheel sheet 2, are not closed and can be used for the liquid or the materials to flow out. When the pump impeller rotates, form suction in the material interval, make the material flow from the edge that is the opening form between the material interval again from first feed inlet 3 entering material interval, can avoid colliding with all sides of first wheel piece 1 and second wheel piece 2 mutually.

The material section is provided with a material receiving cavity 4 communicated with the first feed port 3 so that the materials can rapidly and massively flow into the material section.

The material section is provided with a plurality of rib plate assemblies which are distributed along the circumferential direction of the material receiving chamber 4 and divide the part of the material section other than the material receiving chamber 4 into a plurality of circulation chambers 5. The first end of each circulation cavity 5 is communicated with the material receiving cavity 4, and the second end is provided with a second discharge hole 11. The materials enter the material receiving cavity 4 from the first feeding hole 3, then enter each circulation cavity 5 on the circumference of the material receiving cavity 4 under the action of centrifugal force, and then are thrown out from the second discharging hole 11 at the second end of the circulation cavity 5. This process provides transport power for getting into the interval liquid material of material, the realization is to the transport of liquid material, and the material gets into from first feed inlet 3, the material chamber 4 and circulation chamber 5 are banked up in the flow through, then throw away from second discharge gate 11, whole journey has avoided the material to collide with the week side of first round piece 1 of pivoted and second round piece 2, compare with the impeller among the prior art, it can prevent effectively that the piece from producing to cut or grind and cut to the bulk in the material for the pump impeller of this embodiment.

And each rib plate component is provided with a channel 6 for communicating two adjacent circulating cavities 5. The material will generate centrifugal force along with the rotation of the wheel plate, after entering the circulation chamber 5, the material can enter the adjacent circulation chamber 5 from the circulation chamber 5 in which the material is located through the channel 6 and then be thrown out from the second discharge hole 11 of the adjacent circulation chamber 5 under the action of the centrifugal force. The structural design can weaken the collision between the material and the side wall of the circulation cavity 5 and effectively offset the damage degree of the acting force generated by the wheel sheet and opposite to the centrifugal force to the material.

So set up, the pump impeller that this embodiment provided, when it carried liquid mixing material, high, can not cut and the breakage to the cubic thing to the trafficability characteristic of cubic material, reduce the destructiveness to the material high fibre remarkably.

Specifically, the first wheel sheet 1 and the second wheel sheet 2 are both circular structures and are aligned to have a common central axis. The first feed inlet 3 is circular and is positioned at the center of the second wheel sheet 2. The material-discharging cavity 4 is aligned with the first feeding port 3, and the material region is aligned with the first feeding port 3. So set up, can make the rotation of impeller for the pump more smooth and easy, the material gets into first feed inlet 3 more easily.

The first wheel sheet 1 can be connected to a power output shaft of the power device through welding, and the second wheel sheet 2 can be connected with the first wheel sheet 1 through bolts. The first wheel sheet 1 and the second wheel sheet 2 are provided with threaded holes, the threaded holes in the first wheel sheet 1 and the threaded holes in the second wheel sheet 2 are aligned, and bolts penetrate through the threaded holes in the first wheel sheet 1 and the second wheel sheet 2 to connect the first wheel sheet 1 and the second wheel sheet 2. The bolts and the corresponding threaded holes are at least two and are symmetrically distributed around the power output shaft.

Each rib assembly may be linear or curved, and is connected to the first wheel piece 1 and the second wheel piece 2 by welding, and is located between the first wheel piece 1 and the second wheel piece 2. The first ends are all kept at intervals with the circle center of the first wheel sheet 1 or are all kept at intervals with the periphery of the first feed port 3, the first ends are distributed along the circumferential direction of the first feed port 3, and the region between the first ends of the material intervals forms the material unloading cavity 4. The second end all is provided with first discharge gate. So set up, simple structure and each circulation chamber 5 all follow the radial extension of first round piece 1, accord with the flow path of material under the effect of centrifugal force. And the first discharge port may be formed by a through hole formed at the rib plate assembly. Or the second end of each rib plate assembly extends along the radial direction of the first wheel sheet 1 and can extend to the side edge of the first wheel sheet 1, so that the second end of the circulation cavity 5 formed by the area between two adjacent rib plate assemblies is open and forms a first discharge hole. So set up, simple structure, the succinct easily production of shape of floor subassembly, and the cross-sectional area of first discharge gate can reach the biggest and avoid the second end of circulation chamber 5 to form the collision to the material.

The channels in each rib assembly may be provided by openings or through slots in the rib assembly. Alternatively, each rib assembly may consist of a first rib 7 on the first wheel 1 and a second rib 8 on the second wheel 2. The first ribs 7 and the second ribs 8 are spaced apart from each other to form passages 6 communicating between two adjacent flow-through chambers 5. Preferably, the first ribs 7 and the second ribs 8 are both linear and relatively positive. With such an arrangement, the first rib 7 and the second rib 8 are both easy to process and assemble to form the rib assembly; and the first end of the channel 6 is communicated with the material receiving cavity 4, and the second end of the channel extends to the side edges of the first wheel sheet 1 and the second wheel sheet 2 to be communicated with the first discharge hole, so that the material interval has higher trafficability to the blocky materials.

Since the first feed port 3 is located on the second rib 8, the material tends to flow toward the first wheel 1 after entering the material receiving chamber 4, and enters the circulating chamber 5 by the centrifugal force. Thus, in the present embodiment, as shown in fig. 3, the inclined surface structure is provided at one end of the first rib 7 close to the material receiving chamber 4, and the inclined surface structure gradually inclines in a direction away from the central axis of the first wheel 1 in a direction from the first wheel 1 to the second wheel 2, so as to meet the flow tendency of the material and cancel the interaction force between the first wheel 1 and the material to some extent. And the end of the second rib plate 8 near the material-accumulating chamber 4 may be inclined gradually in the direction from the second wheel 2 to the first wheel 1 toward the direction away from the center of the circle of the second wheel 2, or may not be flush with the end of the first rib plate 7 near the material-accumulating chamber 4. The radial distance between the end of the second rib plate 8 close to the material-accumulating chamber 4 and the center of the second wheel 2 is increased, compared with the distance between the end of the first rib plate 7 close to the material-accumulating chamber 4 and the center of the first wheel 1. In this way, the diameter of the first feed opening 3 can be increased.

The pump impeller can be applied to the condition that the first impeller 1 is positioned above the liquid level of the conveyed material and the first feed port 3 is positioned below the liquid level, and the impeller can be better applied to the condition that the pump impeller is combined with the pump shell 9 to form the impeller pump.

The present embodiment also provides a centrifugal impeller pump provided with a pump casing 9, a power unit, and an impeller in a pump chamber formed by the pump casing 9, the impeller being the pump impeller described in the above embodiments, connected to a power output shaft of the power unit. With the arrangement, the centrifugal impeller pump can avoid shearing and crushing the block in the material when conveying the liquid material containing the block, has high trafficability to the block, and remarkably reduces the destructiveness to high fibers of the material. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the pump impeller, and is not described in detail herein.

The pump shell 9 is provided with a second feeding hole 10 and a second discharging hole 11 which are communicated with the pump cavity, and the second feeding hole 10 is aligned with the first feeding hole 3 on the second wheel piece 2. So set up, can make the material directly get into first feed inlet 3 along the straight line route of second feed inlet 10 to first feed inlet 3 after getting into the pump chamber, and can not rotate in the pump chamber. Thereby can avoid the material to collide with the week side of first wheel piece 1 and second wheel piece 2, avoid being sheared by the impeller for the pump. In a preferred embodiment of the present embodiment, the distance between the second feed opening 10 and the first feed opening 3 is less than 5 mm, that is, the distance between the side wall of the pump housing 9 where the second feed opening 10 is located and the end surface of the second wheel 2 close to the side wall is less than 5 mm.

As a centrifugal impeller pump, the central axis of the impeller for the pump and the second discharge port 11 are located on both sides of the center of the pump chamber, respectively. In the preferred scheme of this embodiment, the pump chamber can be oval, and the central axis of the impeller for the pump and second discharge gate 11 are located the major axis of oval and are located the both sides of the centre of a circle respectively. Due to the arrangement, when the pump impeller is driven by the power device to rotate, a pressure difference value is formed between the material section and the pump cavity, and the pressure of the material section is smaller than that of the pump cavity, so that the material is promoted to directly enter the material section from the second feed port 10 through the first feed port 3; the material thrown out from the material interval can generate a flowing trend which is far away from the pump impeller and flows to the second discharge hole 11 in the pump cavity, and the material flowing out from the material interval is prevented from being excessively sheared by the pump impeller as far as possible.

Further, first round piece 1 and second round piece 2 all are discoid and all have certain thickness in the axial, and the border of the all sides of first round piece 1 and second round piece 2 all is provided with fillet structure. So set up, can show to alleviate shearing and the destructive action to the material from the interval outflow of material.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The impeller for the pump is characterized by comprising a first impeller (1) connected with a power output shaft of the pump and a second impeller (2) connected with the first impeller (1), wherein the second impeller (2) is opposite to the first impeller (1) and keeps a distance so as to form a material interval between the first impeller and the second impeller, a first feed port (3) for feeding materials into the material interval is formed in the second impeller (2), a material storage cavity (4) communicated with the first feed port (3) is formed in the material interval, a plurality of rib plate assemblies are arranged in the material interval and distributed along the circumferential direction of the material storage cavity (4) to divide the part of the material interval except the material storage cavity (4) into a plurality of rib plate cavities (5), and a first end of each cavity (5) is communicated with the material storage cavity (4), The second end is provided with a second discharge hole (11), and each rib plate component is provided with a channel (6) for communicating two adjacent circulating cavities (5).

2. The impeller for the pump according to claim 1, characterized in that the first impeller (1) and the second impeller (2) are both of circular configuration and coaxial, the first inlet (3) is located at the center of the second impeller (2), and the material discharging chamber (4) is aligned with the first inlet (3).

3. The impeller for pumps according to claim 2, characterized in that the first ends of the respective rib assemblies are spaced from the central axis of the circular structure so that the material-discharging chamber (4) is formed between the respective first ends.

4. Impeller according to claim 1, wherein each of said ribs comprises a first rib (7) connected to said first impeller (1) and a second rib (8) connected to said second impeller (2), said first rib (7) and said second rib (8) being arranged opposite one another and at a distance such that the distance between them forms said channel (6).

5. -impeller according to claim 3, characterised in that each rib assembly extends in the radial direction of the circular structure so that the second end of each flow-through chamber (5) is open to form the second outlet (11).

6. The impeller for a pump according to claim 4, characterized in that one end of the first ribs (7) near the material discharging chamber (4) is provided with a slope structure which gradually slopes in a direction away from the central axis of the first vane (1) in the direction from the first vane (1) to the second vane (2).

7. A centrifugal impeller pump comprising a pump housing (9), a power unit and an impeller located in a pump chamber formed by the pump housing (9), characterized in that the impeller is an impeller for a pump according to any of claims 1-6.

8. A centrifugal impeller pump according to claim 7, characterized in that the pump casing (9) is provided with a second inlet (10) and a second outlet (11) communicating with the pump chamber, the second inlet (10) being aligned with the first inlet (3); the pump chamber is oval structure, the central axis of pump impeller with second discharge gate (11) all are located on the major axis of oval structure.

9. A centrifugal impeller pump according to claim 8, characterized in that the side wall of the pump housing (9) in which the second inlet opening (10) is situated is at a distance of less than 5 mm from the first inlet opening (3).

10. A centrifugal impeller pump according to claim 8, characterized in that the first (1) and second (2) impeller blades are each disc-shaped and the circumferential rims of the first (1) and second (2) impeller blades are each provided with a fillet structure.

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