Integrated safe sealing electric discharging device

Abstract

The utility model relates to the field of pneumatic conveying, in particular to an integrated safety sealing electric discharging device, which is characterized in that a shaft is rotatably arranged in a valve body, a plurality of groups of blades are arranged on the shaft, one end of the shaft extends out of the valve body and is provided with a flat key, a bearing cover is arranged at the other end of the shaft on the valve body, and a filtering speed reducing valve is arranged at the top of the valve body; a steel plate is fixedly arranged at the bottom of the valve body, a driving mechanism is installed at the bottom of the steel plate, driving force of the driving mechanism is transmitted to the shaft through a precise roller chain, and a plurality of inlet framework oil seals are arranged on the two sides of the shaft in the valve body and are installed forwards and backwards. The assembly clearance of the impeller on the shaft in the device is smaller than 15 microns, the device is suitable for being applied to an accurate metering place, the device adopts integrated sealing, ten pieces of inlet framework oil are installed in a positive and negative mode, a bearing transmission part is arranged at the tail, a sealing air source does not need to be additionally arranged, and it is ensured that the device can stably operate in the long-time using process.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic conveying, in particular to an integrated safe and sealed electric discharging device. Background Art

[0002] In pneumatic conveying systems, continuous conveying has a very wide range of applications. The most critical component is the electric discharging device. The traditional electric discharging device has low assembly precision. During use, some problems are found, such as:

[0003] 1. The internal impeller assembly clearance of the existing electric discharging equipment is large, usually greater than 25 μm. Due to the large clearance, it is not suitable for precise metering places.

[0004] 2. The end covers of the existing electric discharging equipment use open seals such as sealing packing. After running for a period of time, the end cover part will age and powder will leak.

[0005] 3. The existing electric discharging equipment cannot operate continuously under pressure. In places such as aluminum plants and ironmaking plants with gas-containing environments, dust and gas are likely to leak. Content of the Utility Model

[0006] The purpose of the utility model is to solve the shortcomings existing in the prior art, and an integrated safe and sealed electric discharging device is proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The integrated safe and sealed electric discharging device includes a valve body. A shaft is rotatably arranged inside the valve body. Multiple groups of blades are arranged on the shaft. One end of the shaft extends out of the valve body and is provided with a flat key. A bearing cover is arranged on the valve body at the other end of the shaft. And a filter reducing valve is arranged at the top of the valve body. A steel plate is fixedly arranged at the bottom of the valve body. A driving mechanism is installed at the bottom of the steel plate. The driving force of the driving mechanism is transmitted to the shaft through a precision roller chain. And multiple imported skeleton oil seals are arranged on both sides of the shaft inside the valve body and are installed in a positive and negative manner.

[0009] In addition, the preferred structure is that multiple retaining washers are fixedly arranged at both ends of the shaft inside the valve body. The retaining washers are sleeved on the shaft. And bearing retaining rings are installed on the retaining washers.

[0010] In addition, the preferred structure is that deep groove ball bearings are installed on the bearing retaining rings. And the deep groove ball bearings are sleeved on the outside of the shaft.

[0011] In addition, the preferred structure is that ten imported skeleton oil seals are respectively installed on the inner sides of the deep groove ball bearings on the shaft. And the imported skeleton oil seals are installed in a positive and negative staggered manner.

[0012] In addition, a preferred structure is that a bearing cover is installed on the valve body, and one end of the shaft is inserted into the bearing cover.

[0013] In addition, a preferred structure is that a motor is fixedly installed at the bottom of the steel plate. The output end of the motor extends into a speed reducer on one side thereof and drives the speed reducer, and a small sprocket is drivingly arranged on the output end of the speed reducer.

[0014] In addition, a preferred structure is that one end of the shaft extending out of the central axis of the valve body is in the same direction as the output end of the speed reducer. A sprocket housing is arranged on this side through a connecting plate, and the connecting plate is fixedly connected to one end of the steel plate.

[0015] In addition, a preferred structure is that a large sprocket is drivingly arranged on the flat key of the shaft, and the large sprocket is drivingly connected to the small sprocket through a compact roller chain.

[0016] In addition, a preferred structure is that a bracket is fixedly arranged on the top of the valve body. A filter pressure reducing valve is arranged on the top of the bracket. A manual ball valve is arranged at one end of the filter pressure reducing valve, and a three-way direct-acting seat solenoid valve is arranged at the other end of the filter pressure reducing valve. A nylon air pipe is connected to the three-way direct-acting seat solenoid valve.

[0017] The beneficial effects of the present utility model are as follows: The assembly clearance between the impeller on the shaft inside the device is less than 15 μm, which is suitable for precise metering places. And the device adopts an integrated seal. Ten imported skeleton oils are installed in a reverse manner between each other, and the bearing transmission components are at the tail, without the need to separately configure a sealing air source, ensuring that the device can operate stably during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of an integrated safety-sealed electric unloading device proposed by the present utility model;

[0019] Figure 2 is a schematic structural diagram of the valve body of the integrated safety-sealed electric unloading device proposed by the present utility model.

[0020] In the figure: 1 valve body, 2 shaft, 21 flat key, 22 blade, 3 deep groove ball bearing, 4 bearing cover, 5 retaining washer, 51 bearing retaining ring, 6 large sprocket, 61 precision roller chain, 62 sprocket housing, 7 small sprocket, 8 adjusting plate, 9 motor, 91 speed reducer, 92 connecting plate, 10 steel plate, 11 manual ball valve, 12 filter pressure reducing valve, 13 three-way direct-acting seat solenoid valve, 14 nylon air pipe, 15 bracket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] Referring to Figure 1-2 , an integrated safety-sealed electric unloading device, including a valve body 1, a shaft 2 is rotatably arranged inside the valve body 1, multiple groups of blades 22 are arranged on the shaft 2, one end of the shaft 2 extends out of the valve body 1 and is provided with a flat key 21, a bearing cover 4 is arranged on the valve body 1 at the other end of the shaft 2, and a filter reducing valve 12 is arranged at the top of the valve body 1. A steel plate 10 is fixedly arranged at the bottom of the valve body 1, a driving mechanism is installed at the bottom of the steel plate 10, and the driving force of the driving mechanism is transmitted to the shaft 2 through a precision roller chain 61, and multiple imported skeleton oil seals are arranged on both sides of the shaft 2 inside the valve body 1 and installed in a positive and negative manner.

[0023] Wherein, a plurality of stop washers 5 are fixedly arranged at both ends of the shaft 2 inside the valve body 1, the stop washers 5 are sleeved on the shaft 2, and bearing retaining rings 51 are installed on the stop washers 5. Deep groove ball bearings 3 are installed on the bearing retaining rings 51, and the deep groove ball bearings 3 are sleeved on the outside of the shaft 2. Through the arrangement of the stop washers 5 and the bearing retaining rings 51, the installation of the deep groove ball bearings 3 can be realized. Through the arrangement of the deep groove ball bearings 3, the smoothness of the shaft 2 during rotation can be ensured, thereby improving the stability of the device during use.

[0024] Wherein, ten imported skeleton oil seals are respectively installed on the inner sides of the deep groove ball bearings 3 on the shaft 2, and the imported skeleton oil seals are installed in a positive and negative staggered manner. Through the arrangement of the imported skeleton oil seals, the inside of the valve body 1 can be isolated from the outside, thereby preventing the materials inside the valve body 1 from leaking to the outside through the gap between the shafts 2.

[0025] Wherein, a bearing cover 4 is installed on the valve body 1, and one end of the shaft 2 is inserted into the bearing cover 4. Through the arrangement of the bearing cover 4, one end of the shaft 2 can be limited, thereby improving the stability of the shaft 2 during rotation.

[0026] Wherein, a motor 9 is fixedly installed at the bottom of the steel plate 10, the output end of the motor 9 extends into a speed reducer 91 on one side thereof and drives the speed reducer 91, and a small sprocket 7 is drivingly arranged on the output end of the speed reducer 91. Through the arrangement of the motor 9 and the speed reducer 91, the small sprocket 7 can be driven. And it is worth noting that the specific structures and working methods of the motor 9 and the speed reducer 91 are existing technologies that have been publicly available on the market at present. They are all common knowledge well-known to those skilled in the art and do not belong to the main technical problems to be solved in this technical solution. Therefore, they will not be elaborated in this utility model.

[0027] Among them, one end of the shaft 2 extending out of the valve body 1 is in the same direction as the output end of the speed reducer 91. On this side, a sprocket housing 62 is provided through a connecting plate 92, and the connecting plate 92 is fixedly connected to one end of the steel plate 10. Through the fixed setting of the sprocket housing 62 through the connecting plate 92, the large sprocket 6, the compact roller chain 61 and the small sprocket 7 can be protected by the setting of the sprocket housing 62.

[0028] Among them, a large sprocket 6 is drivingly arranged on the flat key 21 of the shaft 2, and the large sprocket 6 is drivingly connected to the small sprocket 7 through a compact roller chain 61. Through the setting of the compact roller chain 61, the large sprocket 6 and the small sprocket 7 can be driven to transmit power, so that the shaft 2 can be driven.

[0029] Among them, a bracket 15 is fixedly arranged on the top of the valve body 1. A filter reducing valve 12 is arranged on the top of the bracket 15. A manual ball valve 11 is arranged at one end of the filter reducing valve 12, and a three-way direct-acting seat solenoid valve 13 is arranged at the other end of the filter reducing valve 12. And a nylon air pipe 14 is connected to the three-way direct-acting seat solenoid valve 13. Through the setting of the manual ball valve 11 and the three-way direct-acting seat solenoid valve 13 on both sides of the filter reducing valve 12, the normal use of the valve body 1 can be ensured. Its specific structure and working method are both existing technologies already disclosed in the market at present. They are all common knowledge well-known to those skilled in the art and do not belong to the main technical problems to be solved in this technical solution. Therefore, they will not be elaborated in this utility model.

[0030] In this embodiment, through the setting of the motor 9 and the speed reducer 91, the small sprocket 7 can be driven to rotate, so that the large sprocket 6 can be driven through the precision roller chain 61, and then the shaft 2 can be driven to rotate. And through the rotation of the shaft 2, the rotation of the blade 22 can be realized, so that electric unloading can be realized.

[0031] Furthermore, the deep groove ball bearing 3 arranged through the stop washer 5 and the bearing retainer 51 can realize the smooth rotation of the shaft 2. And through the setting of multiple imported skeleton oil seals, the sealing performance of this device during use can be ensured, so as to ensure that the materials inside will not leak, so as to ensure the normal use of this device.

[0032] Furthermore, this device adopts a high-precision CNC machining center to ensure the precision of parts, thereby enhancing the precision of this device during use.

[0033] And the assembly clearance between the impeller 22 on the shaft 2 inside this device is less than 15μm, which is suitable for precise metering places.

[0034] This device adopts an integrated seal. The ten imported skeleton oils are installed in a reverse and forward manner, and the bearing drive components are at the tail. There is no need to separately configure a sealing air source. Even under a pressure of 0.1 Mpa, zero leakage can be ensured, guaranteeing long-term safe and stable operation.

[0035] In this utility model, the assembly clearance between the impeller 22 on the shaft 2 inside this device is less than 15 μm, which is suitable for precise metering places. This device adopts an integrated seal. The ten imported skeleton oils are installed in a reverse and forward manner, and the bearing drive components are at the tail. There is no need to separately configure a sealing air source, ensuring that this device can operate stably during long-term use. Moreover, this device adopts a high-precision CNC machining center to ensure the precision of the components, thereby enhancing the precision of this device during use.

[0036] The above is only the preferred specific implementation manner of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by this utility model, according to the technical solution of this utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of this utility model.

Claims

1. An integrated safety sealed electric unloading device, comprising a valve body (1), characterized in that: The valve body (1) is provided with a shaft (2) for rotation inside, and a plurality of blades (22) are provided on the shaft (2). One end of the shaft (2) extends out from the valve body (1) and is provided with a flat key (21). The valve body (1) is provided with a bearing cover (4) at the other end of the shaft (2), and a filter deceleration valve (12) is provided on the top of the valve body (1). A steel plate (10) is fixedly arranged at the bottom of the valve body (1), and a driving mechanism is installed at the bottom of the steel plate (10). The driving force of the driving mechanism is transmitted to the shaft (2) through a precision roller chain (61), and a plurality of imported skeleton oil seals are arranged on both sides of the shaft (2) inside the valve body (1) and are installed in both directions.

2. The integrated safety sealed electric unloading device according to claim 1 is characterized in that: A plurality of stop washers (5) are fixedly arranged at both ends of the shaft (2) inside the valve body (1); the stop washers (5) are sleeved on the shaft (2), and bearing retaining rings (51) are installed on the stop washers (5).

3. The integrated safety sealed electric unloading device according to claim 2 is characterized in that: The bearing retaining rings (51) are all equipped with deep groove ball bearings (3), and the deep groove ball bearings (3) are all sleeved on the outside of the shaft (2).

4. The integrated safety sealed electric unloading device according to claim 3 is characterized in that: Ten imported skeleton oil seals are respectively installed on the inner sides of the deep groove ball bearings (3) on the shaft (2), and the imported skeleton oil seals are installed in a forward and reverse staggered manner.

5. The integrated safety sealed electric unloading device according to claim 4 is characterized in that: A bearing cover (4) is installed on the valve body (1), and one end of the shaft (2) is inserted into the bearing cover (4).

6. The integrated safety sealed electric unloading device according to claim 1, characterized in that: A motor (9) is fixedly mounted on the bottom of the steel plate (10), the output end of the motor (9) extends into a reducer (91) on one side thereof and transmits power to the reducer (91), and a small sprocket (7) is provided on the output end of the reducer (91) for transmission.

7. The integrated safety sealed electric unloading device according to claim 6, characterized in that: One end of the valve body (1) from which the central axis (2) extends is in the same direction as the output end of the reducer (91), and a sprocket cover (62) is provided on this side via a connecting plate (92), and the connecting plate (92) is fixedly connected to one end of the steel plate (10).

8. The integrated safety sealed electric unloading device according to claim 7, characterized in that: A large sprocket (6) is provided on the flat key (21) of the shaft (2) for transmission, and the large sprocket (6) is transmission-connected to a small sprocket (7) through a tight roller chain (61).

9. The integrated safety sealed electric unloading device according to claim 1, characterized in that: A bracket (15) is fixedly arranged on the top of the valve body (1), a filter speed reduction valve (12) is arranged on the top of the bracket (15), a manual ball valve (11) is arranged at one end of the filter speed reduction valve (12), a three-way direct-acting seat solenoid valve (13) is arranged at the other end of the filter speed reduction valve (12), and a nylon air pipe (14) is connected to the three-way direct-acting seat solenoid valve (13).

Images