CN210339311U

CN210339311U - Direct-coupled air-lock valve

Info

Publication number: CN210339311U
Application number: CN201920728500.5U
Authority: CN
Inventors: 罗练荣
Original assignee: Sichuan Zili Machinery Co Ltd
Current assignee: Sichuan Zili Machinery Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-17
Anticipated expiration: 2029-05-20

Abstract

The utility model relates to a fan is closed to associated mode, including gear motor and casing, the casing top is equipped with the feed inlet, the casing bottom is equipped with the discharge gate, the casing both sides are equipped with the end cover, be equipped with the pivot in the casing, the pivot both ends are equallyd divide and are do not rotated through bearing seal mechanism and end cover and be connected, gear motor passes through the shaft coupling and drives the pivot and rotate, the axial is equipped with a plurality of blades in the pivot, the pivot is hollow structure, is equipped with the stock guide in the pivot between the two adjacent blades, just the cross section of stock guide is circular-arcly, the feed inlet top is equipped with cylindric observation window, the observation window adopts transparent material to make, observation window top edge radially outwards is equipped with an annular connecting plate. Through the stock guide that sets up to be difficult to pile up the material between two blades, it is more convenient to make to unload, especially has the material of moisture, and seal structure is simple simultaneously, and the leakproofness is good.

Description

Direct-coupled air-lock valve

Technical Field

The utility model relates to a close fan technical field, concretely relates to fan is closed to associated mode.

Background

At present, a wind-off machine is a main device for discharging ash and supplying air of dust removing equipment and feeding other equipment, and is suitable for powdery materials and granular materials. The air-shutting machine generally comprises a rotor with a plurality of blades, a bearing, a shell and a speed reducing motor. In the operation process, the material of upper portion feed bin falls by the dead weight and fills in the space between rotor blade, then unloads in succession at the lower part ration along with rotor impeller's rotation, however, often cause the card stopper because of filling the material between rotor blade tip and the casing, often need clear up the blade, and current shut-down fan is difficult to dismantle, and the clearance is inconvenient to need extravagant too much time and manpower clearance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the prior air-lock fan is easy to block materials and cannot smoothly unload materials, the utility model aims to provide an air-lock machine is closed to associated mode.

The utility model adopts the technical proposal that: the utility model provides a fan is closed to associated mode, includes gear motor and casing, the casing top is equipped with the feed inlet, the casing bottom is equipped with the discharge gate, the casing both sides are equipped with the end cover, be equipped with the pivot in the casing, the pivot both ends are equallyd divide and are do not rotated through bearing seal mechanism and end cover and be connected, gear motor passes through the shaft coupling and drives the pivot and rotate, the axial is equipped with a plurality of blades in the pivot, the pivot is hollow structure, is equipped with the stock guide in the pivot between the adjacent two blades, just the cross section of stock guide is circular-arcly, the feed inlet top is equipped with cylindric observation window, the observation window adopts transparent material to make, observation window top edge radially outwards is equipped with an.

The direct-connected air-lock valve further includes that a plurality of material guiding ribs are symmetrically arranged on two sides of the blade, the material guiding ribs are evenly arranged along the length direction of the blade at intervals, the material guiding ribs are in an inverted triangle shape, and the bottom edges of the material guiding ribs are close to the rotating shaft.

The direct-connected air-lock valve further includes that the thickness of the material guiding rib is D, the thickness of the blade is D, and 4D > D > 3D.

The direct-connected air seal machine further comprises a bearing, a framework oil seal and a sealing ring, wherein the bearing is arranged between the rotating shaft and the end cover, the sealing ring is arranged between one side, close to the end cover, of the bearing and the end cover, and the framework oil seal is arranged between the rotating shaft at the other side of the bearing and the end cover.

The utility model has the advantages that: 1. the rotating shaft is of a hollow structure, so that the carrying load of the speed reducing motor can be reduced, and the service life of the speed reducing motor is prolonged; 2. through the arranged material guide plate, materials are not easy to accumulate between the two blades, so that the discharging is more convenient, particularly for the materials with moisture; 3. through the arranged observation window, the observation is convenient to watch in the unloading process, so that the condition of material blockage can be found in time, and the unloading accident is avoided; 4. through the further arranged material guide ribs, the materials between the blades can fall down in an accelerated manner, so that the discharging is smoother, the blockage and the material blockage are further ensured, and meanwhile, through the arranged material guide ribs, the structural strength of the blades is increased, the blades are not easy to deform completely, and the service life of the blades is prolonged; 5. through the further bearing sealing mechanism, the structure is simplified while the sealing performance is ensured to be good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a schematic structural view of an embodiment of a material guiding rib.

Fig. 4 is a schematic structural diagram of an embodiment of a bearing sealing mechanism.

In the figure: 1. a reduction motor; 2. a housing; 3. a feed inlet; 4. a discharge port; 5. an end cap; 6. a rotating shaft; 7. a blade; 8. a material guide plate; 9. an observation window; 10. an annular connecting plate; 11. material guiding ribs; 12. a bearing; 13. framework oil seal; 14. and (5) sealing rings.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

As shown in fig. 1 and fig. 2, the direct-coupled air-lock valve provided in this embodiment includes a reduction motor 1 and a casing 2, a feed inlet 3 is disposed at the top of the casing 2, a discharge outlet 4 is disposed at the bottom of the casing 2, end caps 5 are disposed at two sides of the casing 2, a rotating shaft 6 is disposed in the casing 2, two ends of the rotating shaft 6 are respectively rotatably connected to the end caps 5 through a bearing sealing mechanism, as shown in fig. 4, the bearing sealing mechanism includes a bearing 12, a skeleton oil seal 13 and a seal ring 14, the bearing 12 is disposed between the rotating shaft 6 and the end caps 5, the seal ring 14 is disposed between one side of the bearing 12 close to the end caps and the end caps 5, the skeleton oil seal 13 is disposed between the rotating shaft and the end caps at the other side of the bearing 12, the bearing sealing mechanism has a simple structure and good sealing performance, and is, of course this is only a preferred way and other bearing sealing mechanisms may be used, not illustrated here.

As shown in fig. 1 and 2, the gear motor 1 drives the rotating shaft 6 to rotate through the coupler, the plurality of blades 7 are axially arranged on the rotating shaft 6, the rotating shaft 6 is of a hollow structure, and the rotating shaft 6 is of a hollow structure, so that the carrying load of the gear motor 1 can be reduced, and the service life of the gear motor 1 is prolonged.

The material guide plate 8 is arranged on the rotating shaft between every two adjacent blades 7, the cross section of the material guide plate 8 is arc-shaped, and materials are not easy to stack between the two blades 7 through the arranged material guide plate 8, so that discharging is more convenient, and particularly the materials with moisture.

3 tops of feed inlet are equipped with cylindric observation window 9, observation window 9 adopts transparent material to make, and is concrete can adopt the PVC material to make, perhaps adopts glass to make etc, 9 top edges of observation window are radially outwards equipped with an annular connecting plate 10 to when connecting, only need with other equipment be connected with annular connecting plate 10 can, as preferred, for the ease of annular connecting plate 10 connect, can set up a plurality of connecting holes on the annular connecting plate 10, through the observation window 9 that sets up, conveniently watch at the in-process of unloading, thereby can in time discover the condition of putty, avoid the emergence of the accident of unloading.

Preferably, as shown in fig. 3, a plurality of guide ribs 11 are symmetrically arranged on two sides of the blade 7, the guide ribs 11 are uniformly arranged along the length direction of the blade 7 at intervals, the guide ribs 11 are in an inverted triangle shape, the bottom edge of each guide rib 11 is close to the rotating shaft 6, and the further guide ribs 11 are arranged to accelerate the falling of the material between the blades 7, so that the discharging is smoother, the material blockage and blockage are further ensured, and meanwhile, the structural strength of the blade 7 is increased through the arranged guide ribs 11, the blade 7 is not easy to deform completely, and the service life of the blade 7 is prolonged. Further can set up the thickness of guide muscle 11, set up the thickness of guide muscle 11 is D, the thickness of blade 7 is D, 4D > D > 3D, for example the thickness of blade 7 can set up to 12mm, at this moment the thickness of guide muscle 11 just can set up to 3 ~ 4mm, and is concrete can set up to 3.5mm, through setting up the thickness of guide muscle 11 to satisfy preceding the effect simultaneously, again can be as little occupy the space of silo between two blades 7.

The present invention is not limited to the above-mentioned examples, and various modifications and changes which can be made by those skilled in the art without creative efforts are protected by the present patent within the scope defined by the claims of the present invention.

Claims

1. The utility model provides a fan is closed to associated mode, includes gear motor and casing, the casing top is equipped with the feed inlet, the casing bottom is equipped with the discharge gate, the casing both sides are equipped with the end cover, be equipped with the pivot in the casing, the pivot both ends are equallyd divide and are do not rotated through bearing seal mechanism and end cover and be connected, gear motor passes through the shaft coupling and drives the pivot and rotate, the axial is equipped with a plurality of blades, its characterized in that in the pivot: the rotary shaft is of a hollow structure, a guide plate is arranged on the rotary shaft between every two adjacent blades, the cross section of the guide plate is arc-shaped, a cylindrical observation window is arranged at the top of the feed inlet, the observation window is made of transparent materials, and an annular connecting plate is radially and outwards arranged on the edge of the top of the observation window.

2. The direct-connected air-turning-off machine of claim 1 is characterized in that: the blade bilateral symmetry is equipped with a plurality of guide muscle, the even interval arrangement of guide muscle along blade length direction, the guide muscle is for falling three horn shapes, just the base of guide muscle is close to the pivot.

3. The direct-connected air-turning-off machine according to claim 2, characterized in that: the thickness of the material guiding ribs is D, the thickness of the blades is D, and 4D is larger than D and larger than 3D.

4. The direct-connected air-turning-off machine of claim 1 is characterized in that: the bearing sealing mechanism comprises a bearing, a framework oil seal and a sealing ring, the bearing is arranged between the rotating shaft and the end cover, the sealing ring is arranged between one side of the bearing close to the end cover and the end cover, and the framework oil seal is arranged between the rotating shaft at the other side of the bearing and the end cover.