Packing-free screw conveyor
By using a flow guide device in the screw conveyor, the material powder is introduced into the flow channel and discharged, the problem of material powder being stuck when entering the bearing is solved, ensuring the normal operation of the conveyor and the efficient discharge of material powder.
Patent Information
- Application Number
- CN202421862915.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-02
AI Technical Summary
When the screw conveyor conveys powdered material, the material powder can easily enter the bearing through the gap between the screw shaft and the end cover, causing the bearing to be stuck and affecting the conveying efficiency.
A screw conveyor without fillers is designed, and the flow guide device is used to transfer the material powder accumulated in the second sealing cover into the flow guide channel, and then discharge it through the discharge pipe to prevent excessive material powder accumulation. The flow guide device is spiral, with the spiral direction opposite to the spiral blade direction, which promotes the rapid entry of the material powder into the flow guide channel.
Effectively prevent material powder from entering the bearing, avoid bearing jamming, ensure the normal operation of the screw conveyor, and improve the discharge efficiency of material powder.
Smart Images
Figure CN222974185U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of conveying equipment, in particular to a screw conveyor without fillers. Background Art
[0002] As a mechanical equipment widely used in the field of material transportation, screw conveyor plays an important role in many industries such as chemical industry, building materials, grain processing, environmental protection, etc. with its advantages of simple structure, convenient operation and good sealing. It conveys materials forward continuously and stably along the axis direction through the rotation of the spiral blade, realizes the automatic and continuous transportation of materials, and greatly improves production efficiency.
[0003] However, in the actual application of screw conveyors, although they have many advantages, there are also some problems that need to be solved. Especially in the occasions of conveying powdered materials, due to the special properties of the materials, the powder of the materials often enters the bearing through the gap between the screw shaft and the end cover. When the powder of the materials entering the bearing accumulates a lot, it will cause the bearing to get stuck, causing the screw conveyor to malfunction, seriously affecting the material conveying efficiency. Utility Model Content
[0004] The utility model aims to solve the technical problem in the prior art that the screw conveyor fails due to the bearing being stuck by material powder.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a filler-free screw conveyor, comprising a shell, a screw shaft with spiral blades is arranged in the shell, one end of the screw shaft passes through a first end cover and is connected to a transmission device through a coupling, and the other end passes through a second end cover and is connected to one end of a flow guide device, the other end of the flow guide device is installed in a bearing, a second sealing cover is provided between the second end cover and the bearing, and the flow guide device is located in the second sealing cover.
[0006] Preferably, the flow guiding device is spiral, and the spiral direction of the flow guiding device is opposite to the spiral direction of the spiral blade.
[0007] Preferably, a feed pipe and a discharge pipe are provided on the shell, and the discharge pipe is connected with the side wall of the second sealing cover through a guide channel.
[0008] Preferably, it further comprises a first sealing cover, one end of the first sealing cover is fixed to the coupling, and the other end is fixed to the first end cover, and a first sealing device is arranged in the first sealing cover.
[0009] Preferably, a second sealing device is provided at the connection between the second sealing cover and the bearing.
[0010] Preferably, a motor is installed at one end of the transmission device.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0012] (1) The present utility model provides a screw conveyor without packing. Through the guiding device, the material powder accumulated in the second sealing cover enters the guiding channel and is then discharged through the discharge port, preventing excessive accumulation of material powder, causing the bearing to be stuck, and thus affecting the normal operation of the screw conveyor.
[0013] (2) The present utility model provides a screw conveyor without packing. The guiding device is spiral, and its spiral direction is opposite to that of the spiral blade, which can promote the rapid entry of the accumulated material powder into the guiding channel and improve the discharge efficiency of the accumulated material powder.
[0014] (3) The present utility model provides a screw conveyor without packing. Through the second sealing device, the connection between the second sealing cover and the bearing is sealed, preventing the accumulated material powder from entering the bearing and interfering with the normal operation of the screw conveyor. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic diagram of the internal structure of the present utility model;
[0016] Figure 2 is Figure 1 an enlarged schematic diagram of part B in
[0017] Figure 3 is Figure 1 an enlarged schematic diagram of part A in
[0018] In the figure: 1, housing; 2, feed pipe; 3, discharge pipe; 4, screw shaft; 5, screw blade; 6, motor; 7, transmission device; 8, coupling; 9, first sealing cover; 10, first end cover; 11, second sealing cover; 12, second end cover; 13, guiding device; 14, guiding channel; 15, first sealing device; 16, second sealing device; 17, bearing. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
[0020] As Figure 1 shown, a screw conveyor without packing, as Figure 1As shown in the figure, a screw conveyor without packing includes a housing 1, on which a feed pipe 2 and a discharge pipe 3 are provided. Inside the housing 1, there is a screw shaft 4 with screw blades 5. One end of the screw shaft 4 passes through the first end cover 10 and is connected to the transmission device 7 through a coupling 8. One end of the transmission device 7 is equipped with a motor 6. The other end of the screw shaft 4 passes through the second end cover 12 and is connected to one end of a diversion device 13. The other end of the diversion device 13 is installed in a bearing 17. A second sealing cover 11 is provided between the second end cover 12 and the bearing 17, and the diversion device 13 is located inside the second sealing cover 11. During use, the material is put into the housing 1 of the screw conveyor from the feed pipe 2. The transmission device 7 drives the screw shaft 4 to rotate under the action of the motor 6, so that the screw blades 5 rotate synchronously with the screw shaft 4, thereby outputting the material from the discharge pipe 3. The discharge pipe 3 is communicated with the side wall of the second sealing cover 11 through a diversion channel 14, which can enable the material powder accumulated in the second sealing cover 11 to enter the diversion channel 14 and then be discharged through the discharge pipe 3. In addition, the diversion device 13 is spiral, and the spiral direction of the diversion device 13 is opposite to that of the screw blades 5, which can prompt the accumulated material powder to quickly enter the diversion channel 14, improve the discharge efficiency of the accumulated material powder, prevent excessive accumulation of the material powder, cause the bearing 17 to be stuck, and further affect the normal operation of the screw conveyor.
[0021] As a further improvement, please refer to Figure 1 and Figure 2 , a second sealing device 16 is also provided at the connection between the second sealing cover 11 and the bearing 17 to prevent the accumulated material powder from entering the bearing 17 and interfering with the normal operation of the screw conveyor.
[0022] As a further improvement, please refer to Figure 1 and Figure 3 , a first sealing cover 9 is installed between the first end cover 10 and the coupling 8. A first sealing device 15 is provided inside the first sealing cover 9 to prevent the material powder from entering the coupling 8 and affecting the normal operation of the screw conveyor.
[0023] It should be noted that in the description of the present utility model, relational terms such as "first", "second", etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. In addition, unless otherwise clearly specified and defined, the terms "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0024] The above content is a further detailed description of the present utility model in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those skilled in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several equivalent substitutions or obvious variations can be made, and as long as the performance or use is the same, they should all be regarded as falling within the protection scope of the present utility model.
Claims
1. A filler-free screw conveyor, characterized in that: It comprises a shell, in which a spiral shaft with spiral blades is arranged, one end of the spiral shaft passes through a first end cover and is connected to a transmission device through a coupling, and the other end passes through a second end cover and is connected to one end of a flow guide device, the other end of the flow guide device is installed in a bearing, a second sealing cover is arranged between the second end cover and the bearing, and the flow guide device is located in the second sealing cover.
2. The filler-free screw conveyor according to claim 1, characterized in that: The flow guide device is spiral, and the spiral direction of the flow guide device is opposite to the spiral direction of the spiral blade.
3. The filler-free screw conveyor according to claim 1, characterized in that: The shell body is provided with a feed pipe and a discharge pipe, and the discharge pipe is communicated with the side wall of the second sealing cover through a guide channel.
4. The filler-free screw conveyor according to claim 1, characterized in that: It also includes a first sealing cover, one end of which is fixed to the coupling, and the other end is fixed to the first end cover, and a first sealing device is arranged in the first sealing cover.
5. The filler-free screw conveyor according to claim 1, characterized in that: A second sealing device is provided at the connection between the second sealing cover and the bearing.
6. The filler-free screw conveyor according to claim 1, characterized in that: A motor is installed at one end of the transmission device.