CN2032266U - Pneumatic slurry diaphragm pump - Google Patents

Abstract

The utility model discloses a pneumatic slurry diaphragm pump which is used for the industries of foodstuffs, medicines, chemical industries, building, magnetism, etc. To suck and discharge particles which has high density and large viscosity. The utility model is composed of a pump main body (12), a diaphragm disc (3), a reversing glide valve body (17), a main gas path pipeline (14), a slurry pipeline (26), etc. Except that the utility model has public known technical characteristics, the pneumatic slurry diaphragm pump can also transport liquid slurry which is high poisonous, noxious, and corrosive, and due to the fact that the interior of another half cavity of the diaphragm disc is provided with compressed air, once another half cavity of the diaphragm disc is broken, the slurry which is transported can not be polluted. The pneumatic slurry diaphragm pump is reliable to be used. The pneumatic slurry diaphragm pump uses high pressure air to push the diaphragm disc to do reciprocating motion, thereby, definite positive pressure or negative pressure is generated in a pump cavity, and the purpose of sucking and discharging the slurry is achieved. Definite ball valves are installed in the pump main body to have the function of a one-way channel, and thereby, the transporting action of the slurry is completed.

Description

Pneumatic slip diaphragm pump

The utility model is the improvement invention about mechanical pump, can carry beverage, jam, suspension emulsion, pigment and cement slurry, coating etc., be specially adapted to medicine, chemical industry, food, building and magnetic industry grain density height, viscosity is big, even the conveying of the harmful slip of high poison.

Known submersible pump, self-priming pump, transh pump, slurry pump is normally by impeller, the runner and the pump housing are formed, constitute runner by the cavity between impeller and the pump housing and the pump cover, during the impeller rotation, because the centrifugal force of motion liquid absorbs feed liquid or output greater than the centrifugal force of motion liquid in the runner in the impeller, but this pump is unsuitable for the feed liquid of transfer of highly viscous and band solid particle, even the present diaphragm pump that more generally uses, also mostly only be applicable to hydraulic pressure, and complex structure, just in case barrier film breakage, pollute slip easily, to carrying beverage, the slurries that medicine and high poison are harmful are relatively more difficult.

Deficiency in view of the known technology existence, task of the present invention is a kind of new shurry pump of design, and as power source, this pressed gas enters in the pump housing cavity through pipeline in the pump and promotes rubber film this shurry pump with gas, produce malleation or negative pressure, make it to-and-fro motion.Not only can carry grain density height, feed liquid that viscosity is big, also can carry the harmful and mordant slip of high poison, thereby reach purpose in industrial security uses such as food, medicine, chemical industry, magnetic.

The utility model is finished as follows, pressurized gas enter among the cavity of pump main body, and the valve space of main gas path pipe of process and selector valve enters the diaphragm disk chamber, promote diaphragm disk and move, make a side of cavity produce malleation or negative pressure, reach the function of inhaling the blowing material.Two diaphragm disk mobile processes reach the process of generation malleation or negative pressure about same central shaft by being fastened on, driving central shaft when diaphragm disk moves also moves to equidirectional, sleeve on the central shaft must be touched the commutation sliding sleeve on central shaft, it is also moved simultaneously, after the commutation sliding sleeve moves to right above pump main body lumen central position, because the effect of commutation shift fork, commutation sliding sleeve fast moving, and the gas path pipe in the guiding valve body cavity is closed or opened to the sliding iron of rapid promotion conversion, and this gas path pipe links to each other with exhaust port, the pressurized gas of pump lumen then enter a chamber of slide valve seat from another road control gas path pipe, this is instantaneous, guiding valve is done reversing motion, left and right sides diaphragm disk also changes moving direction, reach the program behavior that goes round and begins again, the suction of slip is put by the rubber iron core Ball valve of importing and exporting in the ball valve realize according to the positive and negative open and close of pressure.

The present invention compares with known technology has various advantages: remove high-pressure air as power source, can get rid of outside the slip pollution, and have outside the function of submersible pump, self-priming pump, transh pump, slurry pump, can also carry high poison to be harmful to and manufacture experimently glue and food and drink with high viscosity and with the chemistry of solid particle.

The present invention has following accompanying drawing:

Fig. 1 front view of the present utility model;

Fig. 2 sectional view of the present utility model;

Fig. 3 ball-valve structure figure of the present utility model.

Accompanying drawing has been represented structure of the present utility model, be further described below in conjunction with accompanying drawing 1,2: be pressed into interstage bushing (10) and Y seal ring (9) in the dish lumen pore with pump main body (12) both sides earlier, in the lumen cross-drilled hole of pump main body (12), install sealing (11) in two earlier, the seal ring (30) of giving vent to anger of packing into then, three vents (31), location plectane (33), sliding iron (32) of conversion and spring sheet (34) are also fixed, and commutation valve pocket (13) is housed on the central shaft (8) and penetrates pump main body (12).Load onto sleeve (7) copper washer (6) then, diaphragm disk (3) is clamped the two ends that are contained in central shaft (8) respectively with inside and outside clamping plate (5) (4).And cover hemisphere cover (2) in both sides, in the hole of conversion valve seat (37), be pressed into lining (38) and reinstall cylindrical spring (39), and shift fork (36) is contained in the square groove of commutation sliding sleeve (13), then valve seat is screwed on the lumen of pump main body (12).Pump pin (1) is installed in the both sides of the inboard pump main body of hemisphere cover (2) (12) respectively.Sealing plate (15) air passage block (14) and slide valve (16) with gas circuit is installed on the pump main body (12) again, and two conical bores that on slide valve (16), drill and ream, circular cone pin with 5 millimeters be fixed (but this conical bore gas circuit in must not break-through pump main body), again with selector valve (17), buffer element (18), O RunddichtringO (19) and body cap (20) slide valve (16) of packing into, and it is fixing with screw (21), after the slide valve assembling finishes, air inlet valve body (35) and air outlet (29) are installed in respectively on the pump main body (12), the feeding and discharging bend pipe is fixed on the hemisphere cover (2) again, load onto slip sealing plate (24) then respectively, feeding and discharging valve (25) (27), rubber iron core ball (23) and material feeding mouth (28) and discharge port (22).

The lumen that enters pump main body (12) from suction valve (35) when pressurized gas is during as power source, enter the inner chamber of the right diaphragm disk of the pump housing (3) through three the pore bodies (31) of main gas path pipe and the space of reversing slide valve body (16), and be communicated with the low pressure air outlet after the passage of the pressurized gas in the right chamber of slide valve (16) through another road controlling plumbing fixtures and the sliding iron of conversion (32), then the high pressure air in right chamber drops to zero very soon, therefore the diaphragm disk (3) on right side moves to right among high pressure air promotion Fig. 1, it makes the outside in diaphragm disk chamber (3) produce malleation, make slip be extruded the hemisphere type cavity, second half passage by the feeding and discharging bend pipe is discharged away through charging valve (27) and discharge port (22) again.Because two diaphragm disk (3) all are fastened on the two ends of same central shaft (8), when right diaphragm disk moves to right, central shaft (8) also drags left diaphragm disk and also moves to right, and the pressurized gas in the left diaphragm disk chamber are because the effect of selector valve (17) and shift fork (36), it is exported with low pressure gas rapidly links, thereby make outer half cavity of left diaphragm disk produce negative pressure, thereby slip is because the effect of negative pressure, the slip that is transferred is by material feeding mouth (28), and charging Ball valve (27) and feeding and discharging bend pipe (26) are absorbed among the cavity of outer half one of left diaphragm disk.From then on go round and begin again, ceaselessly to-and-fro motion of diaphragm disk (3), slip also just constantly is inhaled into and discharges.

Claims (4)

1, a kind of food that is used for, medicine, chemistry, the pneumatic slip diaphragm pump of building and magnetic industry, be by pump main body (12), diaphragm disk (3), reversing slide valve body (17), main gas path pipe (14) and slip pipeline (26) are formed, air inlet valve body (35) and air outlet (29) are housed on pump main body (12), feeding and discharging valve (25) (27) and the same discharge port of rubber iron core ball (23) (22), material feeding mouth (28) forms organic cooperation, three pore bodies (31) and positioning plate (33) are installed in main pump body (12) lumen cross-drilled hole, and a central shaft (8) arranged, it is characterized in that central shaft (8) penetrates in the middle of the pump chamber of pump main body (12), two diaphragm disk (3) all are fastened on the same central shaft (8).

2, pneumatic slip diaphragm pump as claimed in claim 1 is characterized in that being equipped with on the central shaft (8) sleeve (7) and commutation valve pocket (13).

3, pneumatic slip diaphragm pump as claimed in claim 1 or 2, the sliding sleeve (13) that it is characterized in that commutating has a square groove, and the sliding iron of conversion (32) on a commutation shift fork (36) being arranged and be contained in slide valve (16) in the square groove of commutation sliding sleeve (13) matches.

4, pneumatic slip diaphragm pump as claimed in claim 1 or 2 is characterized in that the ball valve core of the feeding and discharging control of pump main body (12) is several rubber iron core balls (23).

Images