Adjustable coal dressing vibrating screen
By installing scrapers and threaded rods in the cleaning device of the coal preparation vibrating screen, the problem that coal ash in the inner wall of the vibrating screen shell is difficult to clean, and more efficient coal ash recycling and utilization is achieved, avoiding waste.
Patent Information
- Application Number
- CN202421257684.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-04
AI Technical Summary
When using a vibrating screen to screen coal, some of the coal ash will adhere to the inner wall of the shell and will not be easily cleaned, especially in the deep inner wall of the shell, which will reduce the recycling and utilization of coal ash and cause waste.
An adjustable coal preparation vibrating screen is designed, including a housing, a screen and a cleaning device. The cleaning device includes threaded rods, scrapers, fixing plates, bearings, operating blocks, rubber rings, sliders and slide chutes. Through the synergy of these components, the scrapers can slide on the inner wall of the shell to clean up the attached coal ash.
By setting up a scraper and threaded rod, the coal ash on the inner wall of the shell can be effectively cleaned, improving the recycling and utilization of coal ash, and avoiding waste problems caused by inconvenient cleaning and collection.
Smart Images
Figure CN222551357U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vibrating screens, in particular to an adjustable coal preparation vibrating screen. Background Art
[0002] The coal preparation vibrating screen is a mining vibrating screen. It uses vibration motor excitation, rubber spring vibration reduction, high wear-resistant material screen plate, sealed screen box and other components to operate. It has the characteristics of long life, low noise, high screening efficiency, etc. It is a vibrating screening equipment suitable for sintered ore, natural ore, coke and other powdered materials.
[0003] When using a vibrating screen to screen coal, a large amount of coal ash will fall from the screen to the bottom of the screen and fall out of the shell under the vibration of the machine, but some coal ash will still adhere to the inner wall of the shell, which is not easy to clean, especially deep in the inner wall of the shell. This will reduce the recovery and utilization rate of coal ash and cause certain waste. Utility Model Content
[0004] The utility model provides an adjustable coal preparation vibrating screen to solve the problem that part of the coal ash adheres to the inner wall of the shell and is not easy to clean, especially at the deep position of the inner wall of the shell, which reduces the recovery and utilization rate of the coal ash and causes certain waste.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable coal preparation vibrating screen, comprising a shell, a screen is fixedly connected to the inner wall of the shell, a cleaning device is arranged inside the shell, the cleaning device comprises a threaded rod, one end of the threaded rod is arranged on one side of the inner wall of the shell, a scraper is threadedly connected to the outer surface of the threaded rod, the outer surface of the scraper is slidably connected to the inner wall of the shell, a fixing plate is arranged on the outer surface of the threaded rod, one side of the fixing plate is fixedly connected to one side of the top of the inner wall of the shell, springs are symmetrically fixedly connected to both sides of the shell, a motor is arranged on one side of the shell, and an adjustment device is arranged at the bottom of the four springs.
[0006] The effect achieved by the above components is: by setting a scraper, under the action of the threaded rod, the threaded rod is rotated, and the threaded rod will drive the scraper to slide on the inner wall of the shell. During the sliding process, the scraper will clean the inner wall of the shell, scrape off the coal ash adsorbed on the inner wall of the shell, and bring it to one side of the inner wall of the shell, which is conducive to preventing waste caused by unchanged cleaning and collection.
[0007] Preferably, one end and the outer surface of the threaded rod are fixedly connected with bearings, wherein the outer surface of one bearing is fixedly connected to the inner wall of the shell, and the outer surface of the other bearing is fixedly connected to the inner wall of the fixing plate.
[0008] The effect achieved by the above components is that by arranging the bearing, the friction between the threaded rod and the housing and the fixed plate can be reduced when the threaded rod is rotated, making it easier to rotate the threaded rod.
[0009] Preferably, one end of the threaded rod is fixedly connected to an operating block, and a protrusion is provided on the outer surface of the operating block.
[0010] The effect achieved by the above components is: by setting the operating block, rotating the operating block can drive the threaded rod to rotate, and at the same time, the outer surface of the operating block is provided with a protrusion, which can effectively increase the friction force of the outer surface of the operating block and has an anti-slip effect when rotating the operating block.
[0011] Preferably, a rubber ring is fixedly connected to the outer surface of the scraper, and the outer surface of the rubber ring abuts against the inner wall of the shell.
[0012] The effect achieved by the above components is that by providing the rubber ring, the outer surface of the scraper can be fully in contact with the inner wall of the shell, which is beneficial to enhancing the scraper's cleaning ability for coal ash.
[0013] Preferably, sliders are symmetrically fixedly connected to both sides of the rubber ring, sliding grooves are symmetrically opened on the inner wall of the shell, and the outer surface of the slider is slidably connected to the inner wall of the sliding groove.
[0014] The effect achieved by the above components is: by setting the slider and the slide groove, when the scraper moves under the action of the threaded rod, the scraper will drive the slider to slide synchronously on the inner wall of the slide groove, which can limit the scraper.
[0015] Preferably, the adjusting device includes two first rectangular rods and two second rectangular rods, one end of the four springs are fixedly connected to one end of the two first rectangular rods and the second rectangular rods respectively, one end of the first rectangular rod and the outer surface of the second rectangular rod are fixedly connected to the same connecting plate, the outer surfaces of the first rectangular rod and the second rectangular rod are both slidably connected to rectangular tubes, one end of the four rectangular tubes are fixedly connected to the same bottom plate, the top of the bottom plate is symmetrically fixedly connected to threaded rods, and the outer surface of the threaded rods is slidably connected to the inner wall of the connecting plate.
[0016] The effect achieved by the above components is: by setting a threaded rod and pushing the threaded rod to slide on the inner wall of the connecting plate, the first rectangular rod and the second rectangular rod can be driven to slide on the inner wall of the rectangular tube, thereby facilitating the adjustment of the height of the screen according to actual needs, thereby improving the practicality of the vibrating screen.
[0017] Preferably, the outer surface of the threaded insert rod is threadedly connected with a screw hole block, and two screw hole blocks are respectively arranged on both sides of the connecting plate.
[0018] The effect achieved by the above components is: by providing two screw hole blocks and rotating the screw hole blocks so that one side of the screw hole blocks abuts against one side of the connecting plate, the height of the vibrating screen can be fixed.
[0019] Preferably, one end of the threaded rod is fixedly connected with a round block, and the outer diameter of the round block is larger than the outer diameter of the threaded rod.
[0020] The effect achieved by the above-mentioned components is that by arranging the round block, one end of the threaded rod can be blocked, which is helpful to prevent the screw hole block from detaching from the threaded rod.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, a scraper is provided. Under the action of the threaded rod, the threaded rod can drive the scraper to slide on the inner wall of the shell. During the sliding process, the scraper will clean the inner wall of the shell, scrape off the coal ash adsorbed on the inner wall of the shell, and bring it to one side of the inner wall of the shell, which is helpful to prevent waste caused by unchanged cleaning and collection. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model;
[0024] Figure 2 It is a schematic cross-sectional structure diagram of the housing of the utility model;
[0025] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A;
[0026] Figure 4 It is a three-dimensional structural schematic diagram of the regulating device of the utility model.
[0027] Legend: 1. Shell; 2. Screen; 3. Cleaning device; 31. Threaded rod; 32. Scraper; 33. Fixed plate; 34. Bearing; 35. Operating block; 36. Rubber ring; 37. Slider; 38. Slide groove; 4. Spring; 5. Motor; 6. Adjusting device; 61. First rectangular rod; 62. Second rectangular rod; 63. Connecting plate; 64. Rectangular tube; 65. Threaded rod; 66. Bottom plate; 67. Screw hole block; 68. Round block. DETAILED DESCRIPTION
[0028] Example 1, reference Figure 1-Figure 3As shown, this embodiment discloses an adjustable coal preparation vibrating screen, including a shell 1, a screen 2 is fixedly connected to the inner wall of the shell 1, a cleaning device 3 is arranged inside the shell 1, and the cleaning device 3 includes a threaded rod 31, one end of the threaded rod 31 is arranged on one side of the inner wall of the shell 1, a scraper 32 is threadedly connected to the outer surface of the threaded rod 31, the outer surface of the scraper 32 is slidably connected to the inner wall of the shell 1, and a fixing plate 33 is arranged on the outer surface of the threaded rod 31, and one side of the fixing plate 33 is fixedly connected to one side of the top of the inner wall of the shell 1. Springs 4 are symmetrically fixedly connected on both sides of the shell 1, a motor 5 is provided on one side of the shell 1, and an adjusting device 6 is provided at the bottom of the four springs 4. By providing a scraper 32, under the action of the threaded rod 31, the threaded rod 31 is rotated, and the threaded rod 31 will drive the scraper 32 to slide on the inner wall of the shell 1. The scraper 32 will clean the inner wall of the shell 1 during the sliding process, scrape off the coal ash adsorbed on the inner wall of the shell 1, and bring it to one side of the inner wall of the shell 1, which is conducive to preventing waste caused by inconvenient cleaning and collection.
[0029] Reference Figure 2 and Figure 3 As shown, one end and the outer surface of the threaded rod 31 are fixedly connected with bearings 34, wherein the outer surface of one bearing 34 is fixedly connected to the inner wall of the shell 1, and the outer surface of the other bearing 34 is fixedly connected to the inner wall of the fixing plate 33. By providing the bearing 34, the friction between the threaded rod 31 and the shell 1 and the fixing plate 33 can be reduced when the threaded rod 31 is rotated, making it easier to rotate the threaded rod 31; one end of the threaded rod 31 is fixedly connected with an operating block 35, and the outer surface of the operating block 35 is provided with a protrusion. By providing the operating block 35, rotating the operating block 35 can drive the threaded rod 31 to rotate. At the same time, the outer surface of the operating block 35 is provided with a protrusion, which can effectively increase the friction of the outer surface of the operating block 35, and has an anti-slip effect when the operating block 35 is rotated.
[0030] Reference Figure 2 and Figure 3 As shown, the outer surface of the scraper 32 is fixedly connected with a rubber ring 36, and the outer surface of the rubber ring 36 abuts against the inner wall of the shell 1. By setting the rubber ring 36, the outer surface of the scraper 32 can be fully abutted against the inner wall of the shell 1, which is beneficial to enhance the cleaning ability of the scraper 32 for coal ash; sliders 37 are symmetrically fixedly connected to the two sides of the rubber ring 36, and the inner wall of the shell 1 is symmetrically provided with sliding grooves 38. The outer surface of the slider 37 is slidably connected to the inner wall of the sliding groove 38. By setting the slider 37 and the sliding groove 38, when the scraper 32 moves under the action of the threaded rod 31, the scraper 32 will drive the slider 37 to slide synchronously on the inner wall of the sliding groove 38, which can limit the scraper 32.
[0031] Reference Figure 4As shown, the adjusting device 6 includes two first rectangular rods 61 and two second rectangular rods 62, one end of the four springs 4 is fixedly connected to one end of the two first rectangular rods 61 and the second rectangular rods 62 respectively, one end of the first rectangular rod 61 and the outer surface of the second rectangular rod 62 are fixedly connected with the same connecting plate 63, the outer surfaces of the first rectangular rod 61 and the second rectangular rod 62 are slidably connected with a rectangular tube 64, one end of the four rectangular tubes 64 is fixedly connected with the same bottom plate 66, the top of the bottom plate 66 is symmetrically fixedly connected with a threaded rod 65, the outer surface of the threaded rod 65 is slidably connected with the inner wall of the connecting plate 63, by setting the threaded rod 65, the threaded rod 65 is pushed to slide on the inner wall of the connecting plate 63, which can drive the first rectangular rod 61 and the second rectangular rod 62 to slide on the inner wall of the rectangular tube 64, so as to facilitate the adjustment of the height of the screen 2 according to actual needs, thereby improving the practicality of the vibrating screen.
[0032] Reference Figure 4 As shown, the outer surface of the threaded rod 65 is threadedly connected with a screw hole block 67, and the two screw hole blocks 67 are respectively arranged on both sides of the connecting plate 63. By setting the two screw hole blocks 67 and rotating the screw hole blocks 67 so that one side of the screw hole blocks 67 abuts against one side of the connecting plate 63, the height of the vibrating screen can be fixed; one end of the threaded rod 65 is fixedly connected with a round block 68, and the outer diameter of the round block 68 is larger than the outer diameter of the threaded rod 65. By setting the round block 68, one end of the threaded rod 65 can be blocked, which is beneficial to prevent the screw hole block 67 from detaching from the threaded rod 65.
[0033] Working principle: when it is necessary to clean the coal ash on the inner wall of the shell 1, the rotating operating block 35 drives the threaded rod 31 to rotate. Under the limit of the slider 37 and the slide groove 38, the threaded rod 31 will drive the scraper 32 to slide on the inner wall of the shell 1. The scraper 32 will clean the inner wall of the shell 1 during the sliding process, scrape off the coal ash adsorbed on the inner wall of the shell 1, and bring it to one side of the inner wall of the shell 1, which is beneficial to prevent the waste problem caused by constant cleaning and collection; when it is necessary to adjust the height of the vibrating screen, push the threaded plug 65 to slide on the inner wall of the connecting plate 63, which can drive the first rectangular rod 61 and the second rectangular rod 62 to slide on the inner wall of the rectangular tube 64 until the screen 2 reaches the appropriate height, and then rotate the screw hole block 67 so that one side of the screw hole block 67 abuts against one side of the connecting plate 63, so that the height of the vibrating screen can be fixed.
Claims
1. An adjustable coal preparation vibrating screen, comprising a housing (1), characterized in that: The inner wall of the shell (1) is fixedly connected with a screen (2); a cleaning device (3) is arranged inside the shell (1); the cleaning device (3) comprises a threaded rod (31); one end of the threaded rod (31) is arranged on one side of the inner wall of the shell (1); a scraper (32) is threadedly connected to the outer surface of the threaded rod (31); the outer surface of the scraper (32) is slidably connected to the inner wall of the shell (1); a fixing plate (33) is arranged on the outer surface of the threaded rod (31); one side of the fixing plate (33) is fixedly connected to one side of the top of the inner wall of the shell (1); springs (4) are symmetrically fixedly connected to both sides of the shell (1); a motor (5) is arranged on one side of the shell (1); and adjustment devices (6) are arranged at the bottom of the four springs (4).
2. The adjustable coal separation vibrating screen according to claim 1, characterized in that: One end and the outer surface of the threaded rod (31) are fixedly connected to a bearing (34), wherein the outer surface of one of the bearings (34) is fixedly connected to the inner wall of the housing (1), and the outer surface of the other bearing (34) is fixedly connected to the inner wall of the fixing plate (33).
3. The adjustable coal preparation vibrating screen according to claim 1, characterized in that: One end of the threaded rod (31) is fixedly connected to an operating block (35), and a protrusion is provided on the outer surface of the operating block (35).
4. The adjustable coal separation vibrating screen according to claim 1, characterized in that: The outer surface of the scraper (32) is fixedly connected to a rubber ring (36), and the outer surface of the rubber ring (36) abuts against the inner wall of the shell (1).
5. The adjustable coal separation vibrating screen according to claim 4, characterized in that: Slide blocks (37) are symmetrically fixedly connected to both sides of the rubber ring (36), and the inner wall of the housing (1) is symmetrically provided with slide grooves (38), and the outer surface of the slide block (37) is slidably connected to the inner wall of the slide groove (38).
6. The adjustable coal separation vibrating screen according to claim 1, characterized in that: The regulating device (6) comprises two first rectangular rods (61) and two second rectangular rods (62); one end of the four springs (4) is fixedly connected to one end of the two first rectangular rods (61) and one end of the second rectangular rod (62); one end of the first rectangular rod (61) and the outer surface of the second rectangular rod (62) are fixedly connected to a same connecting plate (63); the outer surfaces of the first rectangular rod (61) and the second rectangular rod (62) are both slidably connected to a rectangular tube (64); one end of the four rectangular tubes (64) is fixedly connected to a same bottom plate (66); the top of the bottom plate (66) is symmetrically fixedly connected to a threaded rod (65); the outer surface of the threaded rod (65) is slidably connected to the inner wall of the connecting plate (63).
7. The adjustable coal separation vibrating screen according to claim 6, characterized in that: The outer surface of the threaded insert rod (65) is threadedly connected with a screw hole block (67), and two screw hole blocks (67) are respectively arranged on both sides of the connecting plate (63).
8. The adjustable coal separation vibrating screen according to claim 7, characterized in that: One end of the threaded rod (65) is fixedly connected to a round block (68), and the outer diameter of the round block (68) is greater than the outer diameter of the threaded rod (65).