CN223101767U - Screw conveyor - Google Patents

Abstract

The utility model discloses a screw conveyor, including a conveying cylinder, a feeding box is provided on the top of the conveying cylinder, a feeding chamber and a cleaning chamber are provided in the feeding chamber, a first support frame is provided in the feeding chamber, the first support frame is slidably connected to the inner wall of the feeding box, a first filter is installed in the first support frame, a first rack is provided at the bottom of one side of the first support frame, a second support frame is provided in the cleaning chamber, the second support frame is slidably connected to the inner wall of the feeding box, a second filter is installed in the second support frame, a second rack is provided at the top of one side of the second support frame, a rotating shaft is rotatably installed in the feeding box, a gear is provided on the rotating shaft, the gear is meshed with the first rack and the second rack respectively, one end of the rotating shaft extends to the outside of the feeding box and is connected with a handle. The utility model discloses a screw conveyor, which has a reasonable structure and can clean the filter without stopping the machine to avoid affecting the production efficiency.

Description

Screw conveyor

Technical Field

The present utility model relates to a screw conveyor.

Background

The screw conveyer is a machine which can drive screw to rotate and push materials to realize conveying purpose by using motor, and can horizontally, obliquely or vertically convey, and has the advantages of simple structure, small cross-sectional area, good sealing property, convenient operation, easy maintenance, convenient sealing and conveying, etc., the screw conveyer is divided into a shaft screw conveyer and a shaftless screw conveyer in conveying form, the screw conveyer is divided into a U-shaped screw conveyer and a tubular screw conveyer in appearance, the shaft screw conveyer is suitable for non-sticky dry powder materials and small particle materials (such as cement, fly ash, lime, grain, etc.), the shaftless screw conveyer is suitable for conveying materials which are sticky and easy to wind (such as sludge, biomass, garbage, etc.), the working principle of the screw conveyer is that the rotating screw blade pushes the materials to convey the screw conveyer, the rotating force of the materials not rotating together with the screw conveyer blade is the friction resistance of the materials per se and the screw conveyer shell to the materials, the screw blade on the rotating shaft of the screw conveyer is provided with solid surface type, belt type, blade type, etc. according to the difference of conveying materials.

Patent number 2020200283124 discloses a screw conveyor of convenient clearance, and it includes a crushing section of thick bamboo, and the lower extreme opening of a crushing section of thick bamboo transversely is equipped with the filter screen. Through setting up the filter screen, the material through the screening of filter screen, the appropriate material of size can get into screw conveyer and be carried, effectively avoids the wearing and tearing to conveying section of thick bamboo and helical blade because of the material size is too big, has improved conveying efficiency. However, the scheme has the following problems in the using process that when the screw conveyor is blocked in the working process, the screw conveyor needs to be stopped to clean the filter screen, but the production efficiency is directly affected. For this purpose, a corresponding technical solution is required to be designed to solve the existing technical problems.

Disclosure of Invention

The utility model aims to provide a screw conveyor which is reasonable in structure, and a filter screen can be cleaned without stopping the screw conveyor, so that the production efficiency is prevented from being influenced.

In order to achieve the above purpose, the technical scheme of the utility model is to design a screw conveyor, which comprises a conveying cylinder, wherein a feed inlet is formed in the top of one end of the conveying cylinder, a feeding box is arranged at the top of the conveying cylinder, a feeding cavity and a cleaning cavity are formed in the feeding box, a feeding inlet communicated with the feeding cavity is formed in the top of the feeding box, the feeding cavity is communicated with the feed inlet, a first supporting frame is arranged in the feeding cavity, the first supporting frame is slidably connected with the inner wall of the feeding box, a first filter screen is mounted in the first supporting frame, a first rack is arranged at the bottom of one side of the first supporting frame, the cleaning cavity is communicated with the feeding cavity, a second supporting frame positioned below the first supporting frame is arranged in the cleaning cavity, the second supporting frame is slidably connected with the inner wall of the feeding box, a second filter screen is mounted in the second supporting frame, a second supporting frame is arranged at the top of one side of the second supporting frame, a gear is rotatably mounted in the feeding box, the rotating shaft is provided with a gear, the first rack is positioned between the first gear and the second rack, the first rack is meshed with the first rack, and the first rack is connected with the rotating shaft, and the handle is meshed with the outer end of the first rack.

Preferably, the top of the feeding box is provided with a cleaning opening corresponding to the cleaning cavity, the cleaning opening is provided with a first openable door plate, the side part of the feeding box is provided with a slag discharging opening corresponding to the cleaning cavity, and the slag discharging opening is provided with a second openable door plate.

Preferably, a material blocking plate is arranged between the feeding cavity and the cleaning cavity, and the material blocking plate is positioned below the second supporting frame.

Preferably, a slag guide plate is arranged in the cleaning cavity, the slag guide plate is obliquely arranged, the high end of the slag guide plate is connected with the baffle plate, and the low end of the slag guide plate is positioned below the slag discharge port.

Preferably, the part of the rotating shaft positioned outside the feeding box is provided with external threads, and the external threads are connected with locking nuts.

Preferably, a feeding hopper corresponding to the feeding opening is arranged at the top of the feeding box.

Preferably, a helical blade is arranged in the conveying cylinder, and a driving motor in transmission connection with the helical blade is arranged at one end of the conveying cylinder.

The spiral conveyor has the advantages that the spiral conveyor is reasonable in structure, the filter screen can be cleaned without stopping, and the production efficiency is prevented from being influenced.

Drawings

Fig. 1 is a schematic diagram of the present utility model.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic view of the internal structure of the headbox in the present utility model.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

The technical scheme of the utility model is as follows:

The screw conveyor comprises a conveying cylinder 1, a feeding port is formed in the top of one end of the conveying cylinder 1, a feeding box 2 is arranged on the top of the conveying cylinder 1, a feeding cavity 3 and a cleaning cavity 4 are formed in the feeding box 2, a feeding port communicated with the feeding cavity 3 is formed in the top of the feeding box 2, the feeding cavity 3 is communicated with the feeding port, a first supporting frame 5 is arranged in the feeding cavity 3, the first supporting frame 5 is slidably connected with the inner wall of the feeding box, a first filter screen is mounted in the first supporting frame 5, a first rack 6 is arranged at the bottom of one side of the first supporting frame 5, the cleaning cavity 4 is communicated with the feeding cavity 3, a second supporting frame 7 located below the first supporting frame 5 is arranged in the cleaning cavity 4, the second supporting frame 7 is slidably connected with the inner wall of the feeding box 2, a second supporting frame 7 is mounted in the second supporting frame, a second rack 8 is arranged on the top of one side of the second supporting frame 7, a first rotary shaft 9 is rotatably connected with the first rack 8, a rotary shaft 10 is rotatably arranged on the first rack 8, and a rotary shaft 9 is rotatably connected with the first rack 8, and a rotary shaft 10 is rotatably connected with the first rack 8, and the rotary shaft 10 is rotatably connected with the rotary shaft 10 is arranged on the rotary shaft 10.

By adopting the scheme, when the screw conveyor is used, materials enter the feeding cavity 3 of the feeding box 2 from the feeding port, and then enter the conveying cylinder 1 from the feeding port after being screened by the first filter screen arranged in the first supporting frame 5. When the first filter screen is blocked and the feeding efficiency is affected, the rotary shaft 9 and the gear 10 are driven to rotate by the rotary handle 11, the gear 10 drives the first support frame 5 and the second support frame 7 to translate through the meshing of the first rack 6 and the second rack 8, so that the first support frame 5 drives the first filter screen to move from the feeding cavity 3 to the cleaning cavity 4, the second support frame 7 drives the second filter screen to move from the cleaning cavity 4 to the feeding cavity 3, at the moment, the second filter screen screens materials entering the feeding cavity 3 and can clean the first filter screen in the cleaning cavity 4, the purpose of cleaning the filter screen without stopping is realized, and the production efficiency is prevented from being affected.

Further, a cleaning opening 12 corresponding to the cleaning cavity 4 is formed in the top of the feeding box 2, an openable first door plate 13 is arranged at the cleaning opening 12, a slag discharging opening 14 corresponding to the cleaning cavity 4 is formed in the side portion of the feeding box 2, and an openable second door plate 15 is arranged at the slag discharging opening 14. By adopting the scheme, the filter screen in the cleaning cavity 4 is cleaned after the first door plate 13 is opened by a worker, and impurities cleaned from the filter screen can be taken out after the second door plate 15 is opened by the worker.

Further, a baffle plate 16 is arranged between the feeding cavity 3 and the cleaning cavity 4, and the baffle plate 16 is positioned below the second supporting frame 7. By adopting the scheme, the material baffle 16 can prevent the material from entering the cleaning cavity 4 from the feeding cavity 3.

Further, a slag guide plate 17 is arranged in the cleaning cavity 4, the slag guide plate 17 is obliquely arranged, the high end of the slag guide plate 17 is connected with the baffle plate 16, and the low end of the slag guide plate 17 is positioned below the slag discharge port 14. By adopting the scheme, the impurities cleaned from the filter screen can slide to the slag discharging port 14 through the slag guide plate 17.

Further, an external thread is arranged on the part of the rotating shaft 9 positioned outside the feeding box 2, and a locking nut 18 is connected to the external thread. By adopting the scheme, the locking nut 18 can be screwed down to enable the locking nut 18 to tightly lean against the outer wall of the feeding box 2, the rotating shaft 9 is prevented from rotating by itself due to external factors, and when the rotating shaft 9 needs to be rotated, the locking nut 18 can be unscrewed in advance.

Further, a feeding hopper 19 corresponding to the feeding opening is arranged at the top of the feeding box 2.

Further, a spiral blade is disposed in the conveying cylinder 1, and a driving motor 20 in transmission connection with the spiral blade is disposed at one end of the conveying cylinder 1.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The utility model provides a screw conveyer, includes the transport section of thick bamboo, the one end top of transport section of thick bamboo is equipped with the feed inlet, its characterized in that, the top of transport section of thick bamboo is equipped with the material loading case, the inside of material loading case is equipped with material loading chamber and clearance chamber, and the top of material loading case is equipped with the material loading mouth with the material loading chamber intercommunication, material loading chamber and feed inlet intercommunication, and the inside of material loading chamber is equipped with first braced frame, the inner wall sliding connection of first braced frame and material loading case, the internally mounted of this first braced frame has first filter screen, and the one side bottom of this first braced frame is equipped with first rack, clearance chamber and material loading chamber intercommunication, and the inside of clearance chamber is equipped with the second braced frame that is located first braced frame below, the inner wall sliding connection of second braced frame and material loading case, the internally mounted of this second braced frame has the second filter screen, and the one side top of this second braced frame is equipped with the second rack, the inside rotatable installation of material loading case has the pivot, be equipped with the gear in the pivot, the gear is located between first rack and the second rack and the outside of first rack and the first rack is connected with the pivot of first rack and extension.

2. The screw conveyor according to claim 1, wherein the top of the feeding box is provided with a cleaning opening corresponding to the cleaning cavity, the cleaning opening is provided with a first openable door plate, the side part of the feeding box is provided with a slag discharging opening corresponding to the cleaning cavity, and the slag discharging opening is provided with a second openable door plate.

3. The screw conveyor according to claim 1, wherein a dam is provided between the loading chamber and the cleaning chamber, the dam being located below the second support frame.

4. A screw conveyor according to claim 3, wherein a slag guide plate is provided in the cleaning chamber, the slag guide plate being inclined, the high end of the slag guide plate being connected to the dam, and the low end of the slag guide plate being located below the slag discharge port.

5. The screw conveyor according to claim 1, wherein the portion of the rotating shaft located outside the feeding box is provided with an external thread, and a lock nut is connected to the external thread.

6. The screw conveyor according to claim 1, wherein a top of the feeding box is provided with a feeding hopper corresponding to the feeding opening.

7. The screw conveyor according to claim 1, wherein the interior of the conveying cylinder is provided with a screw blade, and one end of the conveying cylinder is provided with a driving motor in driving connection with the screw blade.