A kind of big flow peristaltic pump
Technical field
Fluid conveying machine is the utility model is related to, belongs to positive displacement conveying pump technical field, more particularly to a kind of big stream
Measure peristaltic pump.
Background technology
It is various to be used for the industrial pump species of fluid conveying in modern industrial production, but suitable for transport viscosity is big, corrosion
Property it is strong, the industrial pump of the high slag slurry fluid containing amount of solid is few, and more or less there is certain limitation.Such as state
The membrane pump of interior production, diaphragm quality is not high, and service life is short.Secondly, the screw pump of slag slurry material conveying is commonly used to, by
It is big in its difficulty of processing, high is required to rotor machining, domestic manufacturer is extremely difficult to the manufacture level of foreign countries, thereby results in rubber and determines
Service life reduction of son etc..In addition, such as magnetic drive pump, dynamic sealing of auxiliary impeller rubber lined pump more or less exist so some ask
Topic, and these pumps functionally also lack popularity, are only used for the occasion limited, it is more harsh to service condition requirement.
Occur a kind of new peristaltic pump in recent years, peristaltic pump is not leaked with it, suction capacity is strong, self-cleaning, simple in construction, maintenance side
The exclusive characteristic such as just, is widely used in a variety of industries such as chemical industry, oil, medicine, food, building.The pump energy pumping contains impurity
Solid-granular material oar under 1/4 caliber of fluid, various fibers and particle diameter, and blocking will not be produced.Further, since pump
The fluid of suction only contacts with flexible pipe, so corrosivity and the abrasive media that rubber tube can bear can be conveyed.It is but existing
Peristaltic pump is complicated, and production cost is high, safeguards, installation inconvenience.
Utility model content
For above-mentioned technical problem, the purpose of this utility model be to provide it is a kind of it is simple in construction, cost is relatively low and readily removable
Unload the technical grade big flow peristaltic pump of installation.
Technical scheme is used by the utility model solves above-mentioned technical problem:A kind of big flow peristaltic pump, including pump
Chamber and stretch into pump chamber rotor is installed with by motor-driven main shaft, the inserting end of the main shaft, positioned at turning in the pump chamber
Sub- outside is wound with a flexible pipe, and the flexible pipe one end is stretched out pump chamber and inputted for material, and the other end passes through pump chamber outputting material;Rotation
Rotor is flowed out by batch (-type) squeezing tube after making material out of flexible pipe one end suction line from the other end.
Preferably, the rotor includes the body that is rotated by the main shaft drives and is fixedly connected with the body outer wall
Several projections, can flexible pipe described in Intermittent pneumatic compression when each projection rotates with body.
Preferably, 180 ° of the soft tube winding rotor -- 270 °.
Preferably, the body can use rotating disk or straight-bar.
Preferably, the projection is the roller that itself can be rotated, the axial direction of roller is vertical with flexible pipe axial direction.
Preferably, the pump chamber side is provided with the cover plate for sealing the pump chamber, observable pump is provided with the cover plate
The pump visor of chamber.
Preferably, the pump chamber opposite side forms bearing block, the main shaft is arranged on the bearing block by bearing
On.
Preferably, forming cavity in the bearing block, lubricating oil can be filled in cavity.
Preferably, the flexible pipe is made of NP natural rubbers, EPDM ethylene propylene diene rubbers or nitrile rubber.
Preferably, rupture or the damage detection device of detection flexible pipe are installed in the pump chamber.
As can be known from the above technical solutions, peristaltic pump of the present utility model realizes thing in the form of rotor Intermittent pneumatic compression flexible pipe
When the conveying of material, the material in flexible pipe can be exported when rotor squish flexible pipe, and flexible pipe is unclamped after rotor squish flexible pipe, it can make
Negative pressure is quickly formed in flexible pipe, so as to by material suction line, so circulation, realize that material conveys;The peristaltic pump of this structure
It is not only simple in structure, and production cost is low, and application field is wide.
Brief description of the drawings
Fig. 1 is a kind of outline structural diagram of preferred embodiment of the utility model.
Fig. 2 is a kind of cross section structure diagram of preferred embodiment of the utility model.
Embodiment
The utility model is discussed in detail with reference to Fig. 1 and Fig. 2:
A kind of big flow peristaltic pump, including pump chamber 1 and stretching into pump chamber are stretched by motor-driven main shaft 2, the main shaft
Enter end and be installed with rotor 3, a flexible pipe 4 is wound with the outside of rotor, the flexible pipe one end is stretched out pump chamber and inputted for material, and the other end passes through
Pump chamber outputting material;The rotor of rotation is by batch (-type) squeezing tube, from the other end after making material out of flexible pipe one end suction line
Outflow, so as to realize that material conveys;The flexible pipe can use NP natural rubbers, EPDM ethylene propylene diene rubbers or nitrile rubber
It is made.In implementation process, flexible pipe is arranged between rotor and pump chamber, and when rotor rotates, its position clearance-type squeezing tube is soft
When pipe is extruded, its cross-sectional area diminishes, so as to which the material in pipe be discharged;And flexible pipe is restored when not being extruded, its is transversal
Area becomes big, this change procedure so that negative pressure is produced in pipe, so as to by material suction line.
Rotor 3 of the present utility model includes the body 31 rotated by the main shaft drives and is fixedly connected with the body outer wall
Several projections 32, when each projection rotates with body can flexible pipe described in Intermittent pneumatic compression, and body in itself will not squeezing tube, from
And ensure to realize that gap extrudes when projection rotates with body.In implementation process, 180 ° of the soft tube winding rotor -- it is 270 °, excellent
It is 180 ° to select mode, i.e. flexible pipe both ends are horizontally disposed, and feed pressure and discharge pressure are horizontal direction, facilitate input and output material;
As soft tube winding rotor is less than 180 °, then flexible pipe charging or needs to overcome a part of material gravity during discharging, must provide bigger
Pressure, it is unfavorable to charging and discharging;And when soft tube winding rotor is more than 180 °, feed or go out using a part of gravity of material
Material, it is necessary to feed pressure and discharge pressure it is smaller;But if cartilage winding is long, then flexible pipe serious wear, influences to use the longevity
Life, therefore be limited with winding 270 °.
Body of the present utility model can use rotating disk or straight-bar, convenient to set flexible pipe by the way of rotating disk;Using straight
Bar, then process, install, be easy to maintenance, cost is low.Preferably, the projection is the roller that itself can be rotated, the axial direction of roller
Direction is vertical with flexible pipe axial direction, and so, when roller rotates with body, the frictional force of roller squeezing tube is rolling friction
Power, the degree of wear of flexible pipe is greatly reduced, extend its service life.Typically for, it can be set in body diameter both ends outer wall
Two projections, the quantity of projection are not limited to 2, can be set multiple.
The side of the pump chamber 1 of the present utility model is provided with the cover plate 5 for sealing the pump chamber, and being provided with the cover plate can
Observe pump chamber pump visor 6, can Real Time Observation pump chamber inner flexible tube extruding situation;Pump chamber opposite side forms bearing block 7, described
Main shaft is arranged on the bearing block by bearing;Cavity 8 is formed in the bearing block simultaneously, lubrication can be filled in cavity
Oil, bearing and main shaft are lubricated;The bearing gland 9 for sealing the bearing block cavity is provided with the pump chamber, can be prevented
Only lubricating oil flows into pump chamber.The utility model can also install rupture or the wear detector of detection flexible pipe in pump chamber, when soft
It when pipe serious wear or rupture, can in real time be found by rupture or wear detector, real-time servicing carried out to pump, so as to ensure
The normal work of pump, in implementation process, flexible pipe can be repeatedly used according to degree of wear shift position, be extended
The service life of flexible pipe.
Peristaltic pump projection squeezing tube of the present utility model work, pump, which can be done, to be turned, can with self-priming and processing high viscosity,
High wear medium.The pump housing need not seal, complete No leakage, and rotation can export the material of firm discharge every time, have and turn
The features such as speed is low, noiseless, purposes is relatively broad, can be applied to metallurgy, rare earth, desulfurization environmental protection, water process, papermaking, paint, titanium
The industries such as white powder, composite fertilizer.
Above-mentioned embodiment is only for illustration of the utility model, and is not the relevant skill to limitation of the present utility model
The those of ordinary skill in art field, can be so that various changes can be made in the case where not departing from the spirit and scope of the utility model
And modification, therefore all equivalent technical schemes should also belong to category of the present utility model.