CN207918030U - Geldart-D particle drawing mechanism - Google Patents

Abstract

The utility model is related to a kind of Geldart-D particle drawing mechanisms, including rack, one end is provided with Star-like unloader in the rack, the other end is provided with the motor of driving Star-like unloader in rack, the Star-like unloader includes tubular shell, be arranged shell both ends end cap, be arranged in shell and drive the impeller of rotation by motor, the upper part of the housing is provided with feeding mouth, bottom is provided with discharge port, which is connected with the injection pipe being arranged in bottom of the frame.The present apparatus is simple in structure, and air-tightness is preferable.

Description

Geldart-D particle drawing mechanism

Technical field

The utility model is related to a kind of Geldart-D particle drawing mechanisms.

Background technology

The drawing mechanism of Geldart-D particle, including motor, speed reducer, star-like discharging device, injection pipe, transmission device, rack, mistake Filter pressure reducing valve.The component of core is star-like discharging device, it is made of shell, impeller and end cap, and when work is passed through by decelerating through motor Transmission device impeller rotates, and the impeller by being designed with several blades rotates in discharger shell, and from top, hopper is fallen into Material fill in interlobate space, material is sent into injection pipe with the rotation of blade, material is in injection pipe by sieve The air-flow that thatch wind turbine provides drives, and completes transmission process.This orbiting vane discharger belongs to continuous feeding device, for low Press dilute phase pneumatic conveying system cannot be complete due to having certain gap between the impeller and shell of this discharge system device Sealing, if will produce the leakage of dry air；Another aspect impeller is because rotation also has gap, and axial two end sealing devices design is not The good leakage that also will appear powder keeps feeding speed uneven to make star-like discharging device discharging efficiency reduce, can not when serious Conveying.

Utility model content

The problem of the utility model exists for the above-mentioned prior art makes improvement, i.e., skill to be solved in the utility model Art problem is to provide a kind of Geldart-D particle drawing mechanism, and simple in structure, air-tightness is preferable.

In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of Geldart-D particle drawing mechanism, including Rack, one end is provided with Star-like unloader in the rack, and the other end is provided with the motor of driving Star-like unloader, institute in rack State Star-like unloader include tubular shell, be arranged shell both ends end cap, be arranged rotation driven by motor in shell Impeller, the upper part of the housing is provided with feeding mouth, bottom is provided with discharge port, which, which is connected with, is arranged in bottom of the frame Injection pipe, the impeller include the shaft that both ends are respectively hinged on end cap, and two are provided on the shaft side wall in shell Ring sealing plate is evenly equipped with several blades equal with sealing plate outer diameter on the shaft side wall between two sealing plates, is located in end cap It is provided with distribution of air flow ring in shaft, the first gas channel supplied to distribution of air flow ring is provided on the end cap, to end cap The second gas channel that gap supplies between sealing plate.

Further, the output end of the motor is provided with retarder, and the retarder output end passes through chain and impeller It is sequentially connected.

Further, the spacing of the blade and case inside wall is no more than 0.2mm.

Further, distribution of air flow ring both sides are both provided with the packing of twisting shaft.

Further, the distribution of air flow ring includes the internal diameter annular solid equal with spindle outer diameter, the annular solid It is provided with annular groove on lateral wall, multiple through-holes being connected with shaft are evenly equipped in the groove.

Further, compressed air be injected separately into after the filtering pressure reducing valve being arranged in rack the first gas channel and Second gas channel.

Further, the both ends of the shaft are pierced by end cap respectively, and support is provided in the shaft outside end cap and is turned The bearing block of axis.

Further, at least two second gas channels are both provided on each end cap of institute, these the second gas channel edges End cap circumferencial direction is evenly arranged.

Further, the injection pipe includes vertical tube and transverse tube, and described vertical tube one end is connected with star-like discharging device discharge port It connects, is connected in the middle part of the other end and transverse tube, described transverse tube one end is connected with the roots blower for providing air-flow, and the other end is as spray The angle in exit wound of bullet connecting conveying pipe road, the vertical tube and transverse tube jet exit is 50 °.

Compared with prior art, the utility model has the advantages that：

1, it prevents powder to leak, realizes cleaning, being environmentally friendly for working environment, protect the parts such as bearing；

2, the optimization design of structural integrity realizes device reliable operation, light, energy saving, protects bearing and motor, subtracts Fast machine extends the service life at each position.

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

Description of the drawings

Fig. 1 is the organigram of the utility model embodiment.

Fig. 2 is the organigram of end cap and impeller cooperation in the utility model embodiment.

Fig. 3 is the organigram of impeller in the utility model embodiment.

Fig. 4 is the organigram of distribution of air flow ring in the utility model embodiment.

Fig. 5 is the gas supply schematic diagram of the first gas channel and the second gas channel in the utility model embodiment.

In figure：1- racks, 11- bearing blocks, 2- Star-like unloaders, 21- shells, 22- feeding mouths, 23- left end caps, 24- are right End cap, the first gas channels of 25-, the second gas channels of 26-, the air current sealed areas 27-, 3- motors, 31- chains, 4- injection pipes, 5- Filtering pressure reducing valve, 51- tracheaes, 52- threeways, 6- impellers, 61- shafts, 62- sealing plates, 63- blades, 64- packings, 7- distribution of air flow Ring, 71- grooves, 72- through-holes, 8- materials.

Specific implementation mode

Embodiment one：As shown in Fig. 1 ~ 5, a kind of Geldart-D particle drawing mechanism, including rack 1, one end is set in the rack 1 It is equipped with Star-like unloader 2, the other end is provided with the motor 3 for driving Star-like unloader in rack, and the Star-like unloader includes cylinder Shape shell 21, be arranged shell both ends left end cap 23 and right end cap 24, be arranged in shell and drive the leaf of rotation by motor Wheel 6, the upper part of the housing is provided with feeding mouth 22, bottom is provided with discharge port, which, which is connected with, is arranged in bottom of the frame Injection pipe 4, the impeller includes the shaft 61 that both ends are respectively hinged on end cap, is arranged on the shaft side wall in shell There are two ring sealing plates 62, several blades 63 equal with sealing plate outer diameter are evenly equipped on the shaft side wall between two sealing plates, are located at It is provided with distribution of air flow ring 7 in shaft in end cap, it is logical that the first air-flow supplied to distribution of air flow ring is provided on the end cap Road 25, the gap between end cap and sealing plate（That is air current sealed area 27）Second gas channel 26 of gas supply.

In the present embodiment, the output end of the motor is provided with retarder, the retarder output end by chain 31 with Impeller is sequentially connected.

In the present embodiment, the spacing of the blade and case inside wall is 0.2mm.

In the present embodiment, distribution of air flow ring both sides are both provided with the packing 64 of twisting shaft.

In the present embodiment, the distribution of air flow ring includes the internal diameter annular solid equal with spindle outer diameter, the annular solid Lateral wall on be provided with annular groove 71, multiple through-holes 72 being connected with shaft are evenly equipped in the groove.

In the present embodiment, it is logical that compressed air is injected separately into the first air-flow after the filtering pressure reducing valve 5 being arranged in rack Road and the second gas channel.

In the present embodiment, the both ends of the shaft are pierced by end cap respectively, and support is provided in the shaft outside end cap The bearing block 11 of shaft.

In the present embodiment, it is respectively provided on each end cap there are two the second gas channel, those second gas channels are along end cap Circumferencial direction is evenly arranged.

In the present embodiment, the injection pipe includes vertical tube and transverse tube, described vertical tube one end and star-like discharging device discharge port phase It is connected in the middle part of connection, the other end and transverse tube, described transverse tube one end is connected with the roots blower for providing air-flow, other end conduct The angle in jet exit connecting conveying pipe road, the vertical tube and transverse tube jet exit is 50 °, forms the work of a guiding fluid With.

There is the impeller of several blades to be rotated in discharger shell by chain-driving wheel rotation by motor when work, The material 8 that hopper is fallen into from top fills in interlobate space, material is sent into injection pipe with the rotation of blade, material It is driven by air-flow in injection pipe, completes transmission process.

Gap between the impeller and casing of Star-like unloader is designed as 0.2mm, the gap of this precision, it is possible to reduce Air leaks, while being enclosed rotary blade by original open type rotary Impeller Design, as shown in Figure 3；In impeller shaft and end Packing and distribution of air flow ring are packed between lid, two-way compressed air is passed through two filtering pressure reducing valves and adjusted respectively（One passes through tracheae 51 and threeway 52, respectively the first gas channel gas supply of two end cap, another is totally four in two end cap by tracheae and threeway A second gas channel gas supply）, enter distribution of air flow ring all the way, endless belt pressure gas stream can be formed, and effectively lock together with packing Firmly powder flow, it is therefore prevented that powder leaks in gap；Another way enters between end cap and impeller sealing plate, forms the gas of certain pressure Seal area 27 is flowed, and is prevented from powder and is leaked in gap.The such sealing device of design, star-like discharging device can be equal It is even, continuously to injection pipe be fed, to ensure that the gas and solid in strength efferent duct is more stable, to enable Geldart-D particle just Often work, while the upper and lower part air pressure partition of star-like discharging device can be played the role of to lock gas again, to prevent powder Leakage.

As shown in Figure 1, star-like discharging device is uprightly installed, transmission shaft, the Impeller Design of discharger are integrated, and work can It leans on, is light, is energy saving.By the design bearing of star-like discharging device at outwardly protruding, dust can be avoided to get into bearing and bulky grain card Dead phenomenon.Bearing block is designed to leave shell a distance, larger improvement is obtained for for the lubrication of bearing, is passed using chain Dynamic, retarder and star-like discharging device shell have certain distance, protect motor and retarder.

Impeller Design is double shrouded wheel, and shaft and blade is welded into a whole that blade material uses wear-resistant material, with 506 welding rods are used when shaft is welded, and ensure the intensity of welding.

The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the claims it is equal Deng variation and modification, it should all belong to the covering scope of the utility model.

Claims (9)

1. a kind of Geldart-D particle drawing mechanism, it is characterised in that：Including rack, one end is provided with star-like discharging in the rack Device, the other end is provided with the motor of driving Star-like unloader in rack, and the Star-like unloader includes tubular shell, is arranged in shell The impeller that rotation is driven by motor is arranged in shell in the end cap at body both ends, and the upper part of the housing is provided with feeding mouth, bottom It is provided with discharge port, which is connected with the injection pipe being arranged in bottom of the frame, and the impeller includes that both ends are respectively hinged at Shaft on end cap is provided with two ring sealing plates on the shaft side wall in shell, on the shaft side wall between two sealing plates Several blades equal with sealing plate outer diameter are furnished with, are provided with distribution of air flow ring in the shaft in end cap, on the end cap It is provided with the first gas channel supplied to distribution of air flow ring, the second gas channel that gap supplies between end cap and sealing plate.

2. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：The output end of the motor, which is provided with, to be subtracted Fast device, the retarder output end are sequentially connected by chain and impeller.

3. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：Between the blade and case inside wall Away from no more than 0.2mm.

4. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：Distribution of air flow ring both sides are respectively provided with There is the packing of twisting shaft.

5. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：The distribution of air flow ring includes an internal diameter The annular solid equal with spindle outer diameter is provided with annular groove on the lateral wall of the annular solid, is evenly equipped in the groove more A through-hole being connected with shaft.

6. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：Compressed air is by setting in rack Filtering pressure reducing valve after be injected separately into the first gas channel and the second gas channel.

7. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：Distinguish traversing through end in the both ends of the shaft Lid is provided with the bearing block of support shaft in the shaft outside end cap.

8. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：It is both provided at least two on each end cap A second gas channel, these second gas channels are evenly arranged along end cap circumferencial direction.

9. Geldart-D particle drawing mechanism according to claim 1, it is characterised in that：The injection pipe includes vertical tube and cross Pipe, described vertical tube one end is connected with star-like discharging device discharge port, and the other end is connected with transverse tube middle part, described transverse tube one end and The roots blower for providing air-flow is connected, and the other end is ejected as jet exit connecting conveying pipe road, the vertical tube with transverse tube The angle of mouth is 50 °.