Pulverized coal conveying and distributing device

Abstract

The utility model relates to the technical field of conveying and distributing devices, and discloses a pulverized coal conveying and distributing device which comprises a main body mechanism, a feeding mechanism and a discharging mechanism, the feeding mechanism is located above the main body mechanism, the discharging mechanism is located below the main body mechanism, and the main body mechanism comprises a shell. One end of the shell is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a fixing shaft, the surface of the fixing shaft is fixedly connected with a spiral piece, and one end of the shell is fixedly connected with a second motor. By arranging the cover plate, a user can open the cover plate by pulling a handle above the cover plate, pulverized coal to be conveyed is poured into the feeding pipe, the filtering plate is arranged in the feeding pipe and can filter impurities in the pulverized coal, excessive impurities in the pulverized coal cannot enter the shell, the first motor is started, and the pulverized coal can be conveyed by the user. The first motor drives the fixing shaft to rotate and then drives the spiral piece to rotate.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying and distributing devices, in particular to a pulverized coal conveying and distributing device. Background Art

[0002] Pulverized coal refers to fine particle powder ground from coal, which is usually used for combustion to provide energy. The particle size of pulverized coal is less than 0.5 mm, with a small density and good fluidity. In the field of engineering technology, pulverized coal is often used as an additive in cast iron molding sand, which helps to prevent the surface sand sticking defect and subcutaneous pores of castings, and improve the surface finish of castings and the collapsibility function of molding sand.

[0003] In the prior art, after the conveying and distribution of pulverized coal, the cleaning of the inside of the device is generally carried out with water and a cleaning agent, but it is very difficult to clean the inner wall of the device in place, which leads to the influence on the use effect during long-term use. Content of the Utility Model

[0004] To solve the above technical problems, the utility model provides a pulverized coal conveying and distributing device.

[0005] The utility model is realized by adopting the following technical scheme: a pulverized coal conveying and distributing device, including a main body mechanism, a feeding mechanism and a discharging mechanism, the feeding mechanism is located above the main body mechanism, and the discharging mechanism is located below the main body mechanism;

[0006] The main body mechanism includes a housing, one end of the housing is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a fixed shaft, a spiral blade is fixedly connected to the surface of the fixed shaft, one end of the housing is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a lead screw, a cleaning block is threadedly connected to the surface of the lead screw, a bearing is rotatably connected to the surface of the lead screw, a fixing frame is fixedly connected to the surface of the housing, and a middle fixing frame is fixedly connected to the surface of the housing.

[0007] As a further improvement of the above scheme, the number of the fixing frames is set to two, the two fixing frames are located at the left and right ends of the housing, and the bottom of the bearing is fixedly connected to the inner wall of the housing.

[0008] As a further improvement of the above scheme, the first motor is located on the left side of the second motor, the lead screw is located below the fixed shaft, the cleaning block is located inside the housing, and the bearing is located below the spiral blade.

[0009] Through the above technical scheme, by setting the cleaning block, the cleaning block is adapted to the inner wall of the housing, the stains on the inner wall can be scraped off, the inner wall can be quickly cleaned, making it more convenient to clean the inner wall of the housing, and the time for cleaning the inside of the housing can be saved.

[0010] As a further improvement of the above solution, the feeding mechanism includes a feeding pipe, the feeding pipe is opened on the upper surface of the housing, a rotating shaft is fixedly connected to the surface of the feeding pipe, a cover plate is rotatably connected to the surface of the rotating shaft, and a filter plate is fixedly connected to the inner wall of the feeding pipe.

[0011] As a further improvement of the above solution, the filter plate is located below the rotating shaft, and the feeding pipe is located outside the cover plate.

[0012] Through the above technical solution, by setting the filter plate, the filter plate can filter impurities in the pulverized coal, so that excessive impurities in the pulverized coal will not enter the interior of the housing.

[0013] As a further improvement of the above solution, the discharging mechanism includes a discharging pipe, the discharging pipe is communicated with the bottom of the housing, a connecting shaft is fixedly connected to the inner wall of the discharging pipe, a material guiding blade is rotatably connected to the surface of the connecting shaft, and a valve is arranged on the surface of the discharging pipe.

[0014] As a further improvement of the above solution, the material guiding blade is located inside the discharging pipe, and the connecting shaft is located above the valve.

[0015] Through the above technical solution, by setting the material guiding blade, the pulverized coal above falls into the interior of the discharging pipe, and the falling gravity drives the material guiding blade to rotate, which can buffer the pulverized coal above when it falls to the lower part.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] In the present utility model, by setting the cover plate, the user can pull the handle above the cover plate to open the cover plate. Pour the pulverized coal to be transported into the feeding pipe. Inside the feeding pipe, there is a filter plate, and the filter plate can filter impurities in the pulverized coal, so that excessive impurities in the pulverized coal will not enter the interior of the housing. Start the first motor, the first motor drives the fixed shaft to rotate, and then drives the spiral blade to rotate. The spiral blade can convey the pulverized coal inside, and transport the pulverized coal from the front to the back through the rotational movement, and thus enter the next process.

[0018] The utility model is provided with a discharge pipe, and the discharge pipe is communicated with the bottom of the outer shell. The material pushing blade inside the discharge pipe rotates on the surface of the connecting shaft, and the pulverized coal above falls into the inside of the discharge pipe. The falling gravity drives the material pushing blade to rotate, which can buffer the pulverized coal falling from above when it falls below. The pulverized coal inside is controlled by a valve, so as to reasonably distribute the pulverized coal according to the situation. After the device is used up, the second motor can be started. The second motor drives the lead screw to rotate, thereby driving the cleaning block to move back and forth. The cleaning block is adapted to the inner wall of the outer shell, and can scrape the stains on the inner wall, quickly clean the inner wall, making it more convenient to clean the inner wall of the outer shell, and saving the time for cleaning the inside of the outer shell. Brief Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic cross-sectional view of the fixed shaft structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the cleaning block structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the rotating shaft structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the connecting shaft structure of the utility model.

[0024] Main Symbol Explanation:

[0025] 1. Main body mechanism; 101. Outer shell; 102. First motor; 103. Fixed shaft; 104. Spiral blade; 105. Second motor; 106. Lead screw; 107. Cleaning block; 108. Bearing; 109. Fixed bracket; 110. Middle fixed bracket; 2. Feeding mechanism; 201. Cover plate; 202. Filter plate; 203. Feeding pipe; 204. Rotating shaft; 3. Discharging mechanism; 301. Discharge pipe; 302. Valve; 303. Connecting shaft; 304. Material pushing blade. Specific Embodiments

[0026] Next, in combination with the drawings and specific embodiments, the present utility model will be further described. It should be noted that on the premise of non-conflict, the following described embodiments or technical features can be combined with each other arbitrarily to form new embodiments.

[0027] Embodiment:

[0028] Please combine Figures 1-5, A pulverized coal conveying and distributing device according to this embodiment includes a main body mechanism 1, a feeding mechanism 2 and a discharging mechanism 3. The feeding mechanism 2 is located above the main body mechanism 1, and the discharging mechanism 3 is located below the main body mechanism 1;

[0029] The main body mechanism 1 includes a housing 101. One end of the housing 101 is fixedly connected to a first motor 102. The output end of the first motor 102 is fixedly connected to a fixed shaft 103. A spiral blade 104 is fixedly connected to the surface of the fixed shaft 103. One end of the housing 101 is fixedly connected to a second motor 105. The output end of the second motor 105 is fixedly connected to a lead screw 106. A cleaning block 107 is threadedly connected to the surface of the lead screw 106. A bearing 108 is rotatably connected to the surface of the lead screw 106. A fixed frame 109 is fixedly connected to the surface of the housing 101. A middle fixed frame 110 is fixedly connected to the surface of the housing 101. When the first motor 102 is started, the first motor 102 drives the fixed shaft 103 to rotate, and then drives the spiral blade 104 to rotate. The spiral blade 104 can convey the pulverized coal inside, and transport the pulverized coal from the front to the back through rotational movement, thus entering the next process.

[0030] The number of the fixed frames 109 is set to two. The two fixed frames 109 are located at the left and right ends of the housing 101. The bottom of the bearing 108 is fixedly connected to the inner wall of the housing 101.

[0031] The first motor 102 is located on the left side of the second motor 105. The lead screw 106 is located below the fixed shaft 103. The cleaning block 107 is located inside the housing 101. The bearing 108 is located below the spiral blade 104.

[0032] The feeding mechanism 2 includes a feeding pipe 203. The feeding pipe 203 is opened on the upper surface of the housing 101. A rotating shaft 204 is fixedly connected to the surface of the feeding pipe 203. A cover plate 201 is rotatably connected to the surface of the rotating shaft 204. A filter plate 202 is fixedly connected to the inner wall of the feeding pipe 203. The user can pull the handle above the cover plate 201 to open the cover plate 201. By pouring the pulverized coal to be conveyed into the feeding pipe 203, a filter plate 202 is provided inside the feeding pipe 203. The filter plate 202 can filter the impurities in the pulverized coal, so that too many impurities in the pulverized coal will not enter the inside of the housing 101.

[0033] The filter plate 202 is located below the rotating shaft 204. The feeding pipe 203 is located outside the cover plate 201.

[0034] The discharging mechanism 3 includes a discharging pipe 301 which is connected to the bottom of the outer shell 101. A connecting shaft 303 is fixedly connected to the inner wall of the discharging pipe 301, and a material distributing blade 304 is rotatably connected to the surface of the connecting shaft 303. A valve 302 is arranged on the surface of the discharging pipe 301. The material distributing blade 304 inside the discharging pipe 301 rotates on the surface of the connecting shaft 303, and the pulverized coal above falls into the discharging pipe 301. The falling gravity drives the material distributing blade 304 to rotate, which can buffer the falling of the pulverized coal above when it falls below. The valve 302 is used to control the pulverized coal inside, so as to reasonably distribute the pulverized coal according to the situation.

[0035] The material distributing blade 304 is located inside the discharging pipe 301, and the connecting shaft 303 is located above the valve 302.

[0036] The implementation principle of a pulverized coal conveying and distributing device in an embodiment of this application is as follows: The user can pull the handle above the cover plate 201 to open the cover plate 201. Pour the pulverized coal to be conveyed into the feeding pipe 203. Inside the feeding pipe 203, a filter plate 202 is arranged, and the filter plate 202 can filter the impurities in the pulverized coal, so that too many impurities in the pulverized coal will not enter the inner part of the outer shell 101. Start the first motor 102, and the first motor 102 drives the fixed shaft 103 to rotate, and then drives the spiral blade 104 to rotate. The spiral blade 104 can convey the pulverized coal inside, and transport the pulverized coal from the front to the back through the rotational movement, and thus enter the next process. And a discharging pipe 301 is connected to the bottom of the outer shell 101. The material distributing blade 304 inside the discharging pipe 301 rotates on the surface of the connecting shaft 303, and the pulverized coal above falls into the discharging pipe 301. The falling gravity drives the material distributing blade 304 to rotate, which can buffer the falling of the pulverized coal above when it falls below. The valve 302 is used to control the pulverized coal inside, so as to reasonably distribute the pulverized coal according to the situation. After the device is used up, the second motor 105 can be started, and the second motor 105 drives the lead screw 106 to rotate, thereby driving the cleaning block 107 to move back and forth. The cleaning block 107 is adapted to the inner wall of the outer shell 101, and can scrape the stains on the inner wall, and can quickly clean the inner wall, making it more convenient to clean the inner wall of the outer shell 101, and can save the time for cleaning the inside of the outer shell 101.

[0037] The above implementation manners are only the preferred implementation manners of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the protection scope required by the present invention.

Claims

1. A pulverized coal conveying and distribution device, characterized in that: It comprises a main body mechanism (1), a feeding mechanism (2) and a discharging mechanism (3), wherein the feeding mechanism (2) is located above the main body mechanism (1), and the discharging mechanism (3) is located below the main body mechanism (1); The main body mechanism (1) comprises a housing (101), one end of the housing (101) being fixedly connected to a first motor (102), an output end of the first motor (102) being fixedly connected to a fixed shaft (103), a surface of the fixed shaft (103) being fixedly connected to a spiral sheet (104), one end of the housing (101) being fixedly connected to a second motor (105), an output end of the second motor (105) being fixedly connected to a lead screw (106), a surface of the lead screw (106) being threadedly connected to a cleaning block (107), a surface of the lead screw (106) being rotatably connected to a bearing (108), a surface of the housing (101) being fixedly connected to a fixed frame (109), and a surface of the housing (101) being fixedly connected to a middle fixed frame (110).

2. A pulverized coal conveying and distribution device according to claim 1, characterized in that: The number of the fixing frames (109) is two, and the two fixing frames (109) are located at the left and right ends of the outer shell (101), and the bottom of the bearing (108) is fixedly connected to the inner wall of the outer shell (101).

3. A pulverized coal conveying and distribution device according to claim 1, characterized in that: The first motor (102) is located on the left side of the second motor (105), the screw rod (106) is located below the fixed shaft (103), the cleaning block (107) is located on the inner side of the housing (101), and the bearing (108) is located below the spiral sheet (104).

4. A pulverized coal conveying and distribution device according to claim 1, characterized in that: The feeding mechanism (2) comprises a feeding pipe (203), the feeding pipe (203) being disposed on the upper surface of the housing (101), the surface of the feeding pipe (203) being fixedly connected to a rotating shaft (204), the surface of the rotating shaft (204) being rotatably connected to a cover plate (201), and the inner wall of the feeding pipe (203) being fixedly connected to a filter plate (202).

5. A pulverized coal conveying and distribution device as claimed in claim 4, characterized in that: The filter plate (202) is located below the rotating shaft (204), and the feed pipe (203) is located outside the cover plate (201).

6. A pulverized coal conveying and distribution device according to claim 1, characterized in that: The discharge mechanism (3) comprises a discharge pipe (301), the discharge pipe (301) being connected to the bottom of the outer shell (101), a connecting shaft (303) being fixedly connected to the inner wall of the discharge pipe (301), a material-discharging blade (304) being rotatably connected to the surface of the connecting shaft (303), and a valve (302) being arranged on the surface of the discharge pipe (301).

7. A pulverized coal conveying and distribution device as claimed in claim 6, characterized in that: The material-moving blade (304) is located inside the material-discharging pipe (301), and the connecting shaft (303) is located above the valve (302).

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