CN102374187A

CN102374187A - Cutting device for sewage submersible pump

Info

Publication number: CN102374187A
Application number: CN2010102639420A
Authority: CN
Inventors: 阳运尾
Original assignee: KALEE PUMP (GROUP) CO Ltd
Current assignee: KALEE PUMP (GROUP) CO Ltd
Priority date: 2010-08-24
Filing date: 2010-08-24
Publication date: 2012-03-14

Abstract

The invention relates to a cutting device for a sewage submersible pump which comprises impellers at the left side and the right side, a base, and a cutting device, wherein the impellers are fixed on a pump shaft and arranged on symmetrical positions at the center of a pump body, the base is fixed on the bottom of the pump body; the cutting device comprises a cutting rinsing fixed cutter, arranged at inlets of the impellers and a rotating cutter bit fastened at the tail end of the pump shaft, the cutting rinsing fixed cutter is fixed below the base, the inner circumferential of the cutting rinsing fixed cutter is provided with rinsing holes, a rotating cutter comprises at least two blades, the blades of the rotating cutter are tangent with the rinsing holes of the cutting rinsing fixed cutter. The invention has the advantages of capability of carrying out 72000 times of cutting every minute while the water pump normally works, simple structure and convenience for assembly.

Description

Submerged pump is used cutting device

Technical field

The present invention relates to a kind of cutting device, relate in particular to small-power submerged pump cutting device.

Background technique

The cutting submerged pump of indication is that blade type annular cutting knife is housed in impeller inlet bottom in the existing technology, is commonly called as " cutting impeller ", and purpose is that volume in the chopping sewage is than bigger material.

But much cutting submerged pump works in water and just stirs sewage; Can only cut the foreign material of larger volume; The problem that fibre object is twined still can not get solving; And the cutting impeller external diameter of dress is big, the design pump shaft is long, not only waste material, increase cost, have a strong impact on the concentricity of axle, and make the input power increase of complete machine.

Summary of the invention

The technical issues that need to address of the present invention have provided a kind of submerged pump and have used cutting device, are intended to solve the above problems.

In order to solve the problems of the technologies described above, the present invention realizes through following technological scheme:

The present invention includes: about the impeller of two sides; Described impeller is fixed on the center symmetrical position on the pump shaft and in the pump housing; A base; Said base is fixed on the bottom of the pump housing; Also comprise: one in the cutting at impeller inlet place the hydropexis cutterhead; Saidly cut the below that the hydropexis cutterhead is fixed on base; Water passage hole distributes on the described inner circumference that cut the hydropexis cutterhead; One is anchored on the terminal rotary cutter of pump shaft; Described rotary cutter comprises at least two blades; It is tangent that the blade of said rotary cutter and said cut the water passage hole of hydropexis cutterhead.

Compared with prior art, the invention has the beneficial effects as follows: can in the normal work of water pump, carry out the cutting of per minute 72000 times, simple in structure, easy to assembly.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is rotary cutter structural representation among the present invention;

Fig. 2 A be among Fig. 2 K-K to view;

Fig. 2 B be among Fig. 2 A to partial enlarged drawing;

Fig. 3 cut hydropexis cutter head structure schematic representation among the present invention;

Fig. 3 A be among Fig. 3 B-B to view;

Fig. 3 B be among Fig. 3 J-J to view;

Fig. 4 is for rotary cutter among the present invention and cut the tangent structural representation of hydropexis cutterhead.

Embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:

The present invention includes by Fig. 1, Fig. 2, Fig. 2 A, Fig. 2 B, Fig. 3, Fig. 3 A, Fig. 3 B, Fig. 4 are visible: about the impeller 1 of two sides; Described impeller 1 is fixed on the center symmetrical position on the pump shaft 2 and in the pump housing 5; A base 6; Said base 6 is fixed on the bottom of the pump housing 5; Also comprise: one in the cutting at impeller inlet place hydropexis cutterhead 4; Saidly cut the below that hydropexis cutterhead 4 is fixed on base 6; A distributive plural water passage hole 8 on the described inner circumference that cut hydropexis cutterhead 4; One is anchored on the terminal rotary cutter 3 of pump shaft; Described rotary cutter 3 comprises at least two blades 7; It is tangent that the blade of said rotary cutter 3 and said cut the water passage hole of hydropexis cutterhead 4;

Said a plurality of water passage hole 8 is to be evenly distributed on the inner circumference that cut hydropexis cutterhead 4.

Pump startup driven rotary cutting knife rotates among the present invention, will be shredded by the blade of said rotary cutter through the foreign material that cut the hydropexis cutterhead, thereby play cutting effect.

The present invention settles at the impeller inlet place and cut the hydropexis cutterhead; Adopt bolton in the impeller inlet place; Terminal in pump shaft rotary cutter with bolton, make rotary cutter with cut the hydropexis cutterhead and be the acute angle angle, when pump operation; Rotary cutter with the rotation of pump shaft with the cutting that is fixed on the impeller inlet place the hydropexis cutterhead tangent, thereby realize the purpose of chopping foreign material.

The present invention cut the hydropexis cutterhead and was fixed on the base, and impeller is fixed on pump shaft through rotary cutter, make cut the hydropexis cutterhead and rotary cutter tangent, the blade on the rotary cutter with cut the hydropexis cutterhead and be the acute angle angle.

Cut the hydropexis cutterhead in the use and be fixed on the base transfixion; Rotary cutter rotates with axle under the driving of pump shaft; Rotary cutter with cut the hydropexis cutterhead and produced relative movement; Rotary cutter formed and a kind ofly is similar to the same cutting of scissors, tears mechanism with cutting tangent gap between the hydropexis cutterhead, thereby the long fibre dirt that sucks from the water passage hole that cut the hydropexis cutterhead is effectively cut, tears, and discharged with sewage after making it become fiber fines.Water passage hole divides 8 little water passage holes, and 7 fens 3 blades of blade are under the situation of 3000r/min at motor speed, and this cutting device per minute can carry out 72000 cuttings.

Claims

1. a submerged pump is used cutting device, and described submerged pump comprises: about the impeller of two sides; Described impeller is fixed on the center symmetrical position on the pump shaft and in the pump housing; A base; Said base is fixed on the bottom of the pump housing; It is characterized in that also comprising a cutting device; Described cutting device comprises: one in the cutting at impeller inlet place the hydropexis cutterhead; Saidly cut the below that the hydropexis cutterhead is fixed on base; Water passage hole distributes on the described inner circumference that cut the hydropexis cutterhead; One is anchored on the terminal rotary cutter of pump shaft; Described rotary cutter comprises at least two blades; It is tangent that the blade of said rotary cutter and said cut the water passage hole of hydropexis cutterhead.

2. submerged pump according to claim 1 is used cutting device, it is characterized in that: said a plurality of water passage holes are to be evenly distributed on the inner circumference that cut the hydropexis cutterhead.