Powder screening and filtering device

Abstract

The utility model discloses a powder screening and filtering device, which belongs to the technical field of screening devices and comprises a filtering box body, and a material conveying and cleaning component for conveying materials is mounted on the filtering box body; the material conveying and cleaning assembly comprises a material conveying device and a cleaning device, the filtering box body is connected with the material conveying device, and the material conveying device is connected with the cleaning device; a filtering assembly used for screening materials is installed on the filtering box body and connected with a cleaning device. A door assembly for sealing is mounted on the filtering box body; and a discharging assembly for discharging is mounted on the filtering box body. By means of the mode, the interior of the device is automatically cleaned, fine particles are prevented from adhering to the device in the screening process, and meanwhile pollution caused by mixing of the fine particles with next screened objects is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a powder screening and filtering device. Background Art

[0002] In order to ensure that the particle size of the powder to be used is relatively uniform, a powder screening and filtering device is usually used to screen out the larger particles and re-grind them to ensure that the powder particles used are not mixed with larger particles.

[0003] For example, Chinese utility model patent CN220969828U discloses a powder production screening device, in which the two sides of the screen box are rotatably connected to the mounting frame, and the screen box can swing back and forth to screen the material inside. The driving device is used to drive the screen box to swing, and the driving device includes a fixed gear, a special-shaped gear and a driving motor.

[0004] However, it still has the following disadvantages: after the device has screened the material, it is not convenient to clean the particulate matter in the pores of the screen, which may cause mixing with the next screening material and affect the purity of the product.

[0005] Based on this, the utility model designs a powder screening and filtering device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a powder screening and filtering device.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A powder screening and filtering device comprises a filtering box, on which a material feeding and cleaning assembly for transporting materials is installed;

[0009] The feeding and cleaning assembly comprises a feeding device and a cleaning device, the filter box is connected to the feeding device, and the feeding device is connected to the cleaning device;

[0010] The filter box is provided with a filter assembly for screening materials, and the filter assembly is connected to a cleaning device;

[0011] A door assembly for sealing is installed on the filter box;

[0012] A material discharging assembly for discharging material is installed on the filter box.

[0013] Furthermore, the material feeding and cleaning assembly includes a motor, a support block 1, a material feeding pipe, a feed port, an auger and a rotating shaft. The right end of the filter box is fixedly connected to the material feeding pipe, the upper end of the material feeding pipe is fixedly connected to the feed port, the right end of the material feeding pipe is fixedly connected to the support block 1, the right end of the support block 1 is fixedly connected to the motor, the output end of the motor passes through the support block 1 and is fixedly connected to the auger, the auger is in contact with the inner wall of the material feeding pipe, and the left end of the auger is fixedly connected to the rotating shaft.

[0014] Furthermore, the rotating shaft is connected to a cleaning device.

[0015] Furthermore, the cleaning device includes a support ring, a slide groove, a scraper, a connecting rod, a second connecting rod, a brush, a slide groove, a connecting block, a bolt and a guide rail. A plurality of scrapers are fixedly connected to the outer wall of the rotating shaft at equal intervals. A slide groove is provided at the left end of the rotating shaft, a support ring is slidably connected in the slide groove, a bolt is threadedly connected to the left side of the front end of the support ring, a plurality of connecting rods are fixedly connected to the outer wall of the support ring at equal intervals, a slide groove is provided at the lower side of the front end of the scraper, a pair of guide rails are fixedly connected to the front end of the scraper, a brush is slidably connected to the guide rails, the front end of the brush is rotatably connected to one end of the second connecting rod, the other end of the second connecting rod is fixedly connected to the connecting block, a connecting block is slidably connected in the scraper, and the front end of the connecting block is fixedly connected to the first connecting rod.

[0016] Furthermore, the brush is connected to the filter assembly.

[0017] Furthermore, the filter assembly includes a filter screen, a discharge port, a support block 1, a slide groove 3, a locking block, a notch and a support frame. The left end of the inner wall of the filter box is fixedly connected to the support frame, the right end of the inner wall of the filter box is fixedly connected to the support block 1, the support block 1 is provided with a slide groove 3, the front end of the support block 1 is provided with notches at equal intervals, the notch is connected with the slide groove 3, the outer wall of the support block 1 is in contact with the filter screen, the inner wall of the support frame is in contact with the filter screen, the inner wall of the filter screen is in contact with the brush, the discharge port is provided on the left side of the lower end of the filter screen, a plurality of locking blocks are fixedly connected to the lower side of the right end of the filter screen at equal intervals, and the locking block is slidably connected in the slide groove 3.

[0018] Furthermore, the door assembly includes a hinge, a sealing door, a handle and bolt 2. The hinge is fixedly connected to the left end of the rear side of the filter box, the filter box is rotatably connected to the sealing door through the hinge, the handle is fixedly connected to the front left end of the sealing door, the front left end of the sealing door is threadedly connected to bolt 2, and the sealing door is fixedly connected to the filter box through bolt 2.

[0019] Furthermore, the discharge assembly includes discharge port 1 and discharge port 2, the lower end of the filter box is fixedly connected with discharge port 1, and the left side of the lower end of the filter box is fixedly connected with discharge port 2.

[0020] The utility model has the following technical effects:

[0021] 1. The utility model pours the material to be screened into the feeding pipe through the feeding port of the feeding device of the feeding cleaning component. When the material is poured into the feeding pipe, the motor on the support block 1 provides power, and the output end of the motor drives the auger to transport the material to the filter component. At the same time, the rotation of the auger drives the rotation of the shaft, and the rotation of the shaft drives the scraper of the feeding cleaning component to rotate to break up the accumulated material in the filter component to assist in screening. When the screening is completed, the lock between the support ring and the shaft is released by rotating the bolt 1. At this time, the support ring is pushed to slide to the right along the cleaning device, and the moving belt of the support ring is driven The movable connecting rod 1 moves right, and the movement of the connecting rod 1 drives the connecting block to move right along the slide groove 2, and the right movement of the connecting block drives the connecting rod 2 to rotate on the brush. At the same time, the rotating connecting rod 2 pushes the brush to slide on the guide rail so that the brush contacts the filter assembly. At this time, the support ring is locked with the rotating shaft by rotating the bolt 1, and the rotating shaft and the scraper are driven to rotate by starting the motor. The rotation of the scraper drives the brush to rotate for cleaning. The inside of the device is automatically cleaned to avoid fine particles adhering to the device during the screening process, and to avoid mixing with the next screened material to cause pollution.

[0022] 2. The utility model slides the right end of the filter screen of the filter assembly into the filter box, and at the same time slides the locking block on the filter screen into the slide groove three along the notch. At this time, the locking block is driven to rotate in the slide groove three by rotating the filter screen, and the filter screen is fixed by blocking the protruding part of the support block two. The function of the support frame is to support the filter screen, and the function of the discharge port is to discharge the larger particles screened out. By disassembling and installing the filter screen, the damaged filter screen can be replaced in time to avoid the damaged filter screen affecting the screening quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 A three-dimensional powder screening and filtering device of the utility model Figure 1 ;

[0025] Figure 2 This is a front view of a powder screening and filtering device of the utility model;

[0026] Figure 3 This is a left view of a powder screening and filtering device of the utility model;

[0027] Figure 4A three-dimensional powder screening and filtering device of the utility model Figure 2 ;

[0028] Figure 5 For along Figure 3 AA direction section Figure 1 ;

[0029] Figure 6 For along Figure 3 AA direction section Figure 2 ;

[0030] Figure 7 For along Figure 3 AA direction section Figure 3 ;

[0031] Figure 8 For along Figure 2 BB direction cross-sectional view;

[0032] Fig. 9 For along Figure 2 CC direction cross-sectional view;

[0033] Fig.10 This is a partial parts diagram of a powder screening and filtering device of the utility model.

[0034] The numbers in the figure represent:

[0035] 1. Filter box; 2. Feeding and cleaning assembly; 21. Feeding device; 22. Cleaning device; 211. Motor; 212. Support block 1; 213. Feed pipe; 214. Feed inlet; 215. Auger; 216. Rotating shaft; 221. Support ring; 222. Slideway 1; 223. Scraper; 224. Connecting rod 1; 225. Connecting rod 2; 226. Brush; 227. Slideway 2; 228. Connecting block; 229. Bolt 1; 220. Guide rail; 3. Door assembly; 31. Hinge; 32. Sealing door; 33. Handle; 34. Bolt 2; 4. Filter assembly; 41. Filter screen; 42. Discharge port; 43. Support block 1; 44. Slideway 3; 45. Locking block; 46. Notch; 47. Support frame; 5. Discharge assembly; 51. Discharge port 1; 52. Discharge port 2. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] The utility model is further described below in conjunction with embodiments.

[0038] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0039] Example 1

[0040] Please refer to the instruction manual Figure 1-10 , a powder screening and filtering device, comprising a filtering box 1;

[0041] The filter box 1 is provided with a material feeding and cleaning assembly 2 for transporting materials, and the material feeding and cleaning assembly 2 is connected to the filter assembly 4;

[0042] The feeding and cleaning assembly 2 comprises a feeding device 21 and a cleaning device 22, the filter housing 1 is connected to the feeding device 21, the feeding device 21 is connected to the cleaning device 22, and the cleaning device 22 is connected to the filter assembly 4;

[0043] The feeding and cleaning assembly 2 comprises a motor 211, a support block 212, a feeding pipe 213, a feed port 214, an auger 215 and a rotating shaft 216. The right end of the filter housing 1 is fixedly connected to the feeding pipe 213, the upper end of the feeding pipe 213 is fixedly connected to the feeding port 214, the right end of the feeding pipe 213 is fixedly connected to the support block 212, the right end of the support block 212 is fixedly connected to the motor 211, the output end of the motor 211 passes through the support block 212 and is fixedly connected to the auger 215, the auger 215 is in contact with the inner wall of the feeding pipe 213, the left end of the auger 215 is fixedly connected to the rotating shaft 216, and the rotating shaft 216 is connected to the cleaning device 22;

[0044] The cleaning device 22 includes a support ring 221, a slide groove 222, a scraper 223, a connecting rod 224, a connecting rod 225, a brush 226, a slide groove 227, a connecting block 228, a bolt 229 and a guide rail 220. A plurality of scrapers 223 are fixedly connected to the outer wall of the rotating shaft 216 at equal intervals. A slide groove 222 is provided at the left end of the rotating shaft 216. A support ring 221 is slidably connected in the slide groove 222. A bolt 229 is threadedly connected to the left side of the front end of the support ring 221. The outer wall of the support ring 221 is provided with a plurality of scrapers 223 fixedly connected to the outer wall of the rotating shaft 216 at equal intervals. A plurality of connecting rods 1 224 are fixedly connected at intervals, a slide groove 227 is provided at the lower side of the front end of the scraper 223, a pair of guide rails 220 are fixedly connected to the front end of the scraper 223, a brush 226 is slidably connected to the guide rail 220, the brush 226 is connected to the filter assembly 4, the front end of the brush 226 is rotatably connected to one end of the connecting rod 225, the other end of the connecting rod 225 is fixedly connected to the connecting block 228, a connecting block 228 is slidably connected inside the scraper 223, and the front end of the connecting block 228 is fixedly connected to the connecting rod 1 224;

[0045] In the embodiment of the utility model, when the device starts to convey materials, the material to be screened is poured into the feed pipe 213 through the feed port 214 of the feed device 21 of the feed cleaning component 2. When the material is poured into the feed pipe 213, the motor 211 on the support block 212 provides power, and the output end of the motor 211 drives the auger 215 to transport the material to the filter component 4. At the same time, the rotation of the auger 215 drives the rotating shaft 216 to rotate, and the rotation of the rotating shaft 216 drives the scraper 223 of the feed cleaning component 2 to rotate to break up the accumulated materials in the filter component 4 to assist in screening. When the screening is completed, the support ring 221 and the rotating shaft 216 are unlocked by rotating the bolt 229. At this time, the support ring 221 is pushed to slide to the right along the cleaning device 22, and the support ring 22 is driven to rotate. The movement of 1 drives the connecting rod 1 224 to move right, and the movement of the connecting rod 1 224 drives the connecting block 228 to move right along the slide groove 227, and the rightward movement of the connecting block 228 drives the connecting rod 225 to rotate on the brush 226, and at the same time, the rotating connecting rod 225 pushes the brush 226 to slide on the guide rail 220 so that the brush 226 contacts the filter assembly 4, at this time, the support ring 221 is locked with the rotating shaft 216 by rotating the bolt 1 229, and the rotating shaft 216 and the scraper 223 are driven to rotate by starting the motor 211, and the brush 226 is driven to rotate by the rotation of the scraper 223 to clean the device, and the inside of the device is automatically cleaned to avoid fine particles adhering to the device during the screening process, and also to avoid mixing with the next screening material to cause pollution.

[0046] The filter box 1 is provided with a filter assembly 4 for screening materials, and the filter assembly 4 is connected to the material feeding and cleaning assembly 2;

[0047] The filter assembly 4 includes a filter screen 41, a discharge port 42, a second support block 43, a third slide 44, a locking block 45, a notch 46 and a support frame 47. The left end of the inner wall of the filter box 1 is fixedly connected to the support frame 47, and the right end of the inner wall of the filter box 1 is fixedly connected to the second support block 43. The second support block 43 is provided with a third slide 44, and the front end of the second support block 43 is provided with notches 46 at equal intervals. The notch 46 is connected to the third slide 44. The outer wall of the second support block 43 is in contact with the filter screen 41, and the inner wall of the support frame 47 is in contact with the filter screen 41. The inner wall of the filter screen 41 is in contact with the brush 226. The discharge port 42 is provided on the left side of the lower end of the filter screen 41, and a plurality of locking blocks 45 are fixedly connected to the lower side of the right end of the filter screen 41 at equal intervals. The locking block 45 is slidably connected in the third slide 44.

[0048] In the embodiment of the utility model, when the device starts to be installed, the right end of the filter screen 41 of the filter assembly 4 is slid into the filter box body 1, and the locking block 45 on the filter screen 41 is slid into the slide groove three 44 along the groove 46. At this time, the locking block 45 is driven to rotate in the slide groove three 44 by rotating the filter screen 41, and the filter screen 41 is fixed by blocking the protruding part of the support block two 43. The function of the support frame 47 is to support the filter screen 41, and the function of the discharge port 42 is to discharge the larger particles screened out. By disassembling and installing the filter screen 41, the damaged filter screen 41 can be replaced in time to avoid the damaged filter screen 41 affecting the screening quality.

[0049] The filter box 1 is provided with a door assembly 3 for sealing;

[0050] The door assembly 3 includes a hinge 31, a sealing door 32, a handle 33 and a second bolt 34. The left end of the rear side of the filter box 1 is fixedly connected with the hinge 31, and the filter box 1 is rotatably connected to the sealing door 32 through the hinge 31. The front side of the left end of the sealing door 32 is fixedly connected with the handle 33. The front side of the left end of the sealing door 32 is threadedly connected with a second bolt 34. The sealing door 32 is fixedly connected to the filter box 1 through the second bolt 34.

[0051] In the embodiment of the utility model, when the device starts to close, the handle 33 is pulled to drive the feeding and cleaning assembly 2 to rotate on the hinge 31, and the rotating sealing door 32 is in contact with the filter box 1. At this time, the sealing door 32 is locked with the filter box 1 by rotating the bolt 2 34 on the sealing door 32. The sealing of the device prevents the screening from causing dust to fly around, and also prevents external dust from contaminating the screening material.

[0052] The filter box 1 is provided with a discharge assembly 5 for discharging materials;

[0053] The discharge assembly 5 includes a discharge port 1 51 and a discharge port 2 52. The lower end of the filter box 1 is fixedly connected to the discharge port 1 51, and the left side of the lower end of the filter box 1 is fixedly connected to the discharge port 2 52;

[0054] In the embodiment of the utility model, when the device starts to discharge the material, the filtered fine particles are discharged through the discharge port 1 51 of the discharge component 5, and the screened larger particle waste is discharged through the discharge port 2 52. By discharging the screened material and the waste separately, mixing is avoided.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A powder screening and filtering device, comprising a filtering box (1), characterized in that: The filter box (1) is equipped with a material conveying and cleaning assembly (2) for conveying materials; The material feeding and cleaning assembly (2) comprises a material feeding device (21) and a cleaning device (22); the filter box (1) is connected to the material feeding device (21), and the material feeding device (21) is connected to the cleaning device (22); The filter box (1) is provided with a filter assembly (4) for screening materials, and the filter assembly (4) is connected to a cleaning device (22); The filter box (1) is provided with a door assembly (3) for sealing; The filter box (1) is provided with a discharge assembly (5) for discharging materials; The cleaning device (22) comprises a support ring (221), a slide groove (222), a scraper (223), a connecting rod (224), a connecting rod (225), a brush (226), a slide groove (227), a connecting block (228), a bolt (229) and a guide rail (220); a plurality of scrapers (223) are fixedly connected at equal intervals to the outer wall of the rotating shaft (216); a slide groove (222) is provided at the left end of the rotating shaft (216); a support ring (221) is slidably connected to the slide groove (222); a bolt (229) is threadedly connected to the left side of the front end of the support ring (221). A plurality of connecting rods (224) are fixedly connected to the outer wall of the support ring (221) at equal intervals, a slide groove (227) is provided on the lower side of the front end of the scraper (223), a pair of guide rails (220) are fixedly connected to the front end of the scraper (223), a brush (226) is slidably connected to the guide rail (220), the front end of the brush (226) is rotatably connected to one end of the connecting rod (225), the other end of the connecting rod (225) is fixedly connected to the connecting block (228), a connecting block (228) is slidably connected inside the scraper (223), and the front end of the connecting block (228) is fixedly connected to the connecting rod (224).

2. The powder screening and filtering device according to claim 1, characterized in that: The material conveying and cleaning assembly (2) comprises a motor (211), a support block (212), a material conveying pipe (213), a feed inlet (214), an auger (215) and a rotating shaft (216); the right end of the filter housing (1) is fixedly connected to the material conveying pipe (213); the upper end of the material conveying pipe (213) is fixedly connected to the feed inlet (214); the right end of the material conveying pipe (213) is fixedly connected to the support block (212); the right end of the support block (212) is fixedly connected to the motor (211); the output end of the motor (211) passes through the support block (212) and is fixedly connected to the auger (215); the auger (215) is in contact with the inner wall of the material conveying pipe (213); and the left end of the auger (215) is fixedly connected to the rotating shaft (216).

3. The powder screening and filtering device according to claim 2, characterized in that: The rotating shaft (216) is connected to the cleaning device (22).

4. The powder screening and filtering device according to claim 3, characterized in that: The brush (226) is connected to the filter assembly (4).

5. The powder screening and filtering device according to claim 4, characterized in that: The filter assembly (4) comprises a filter screen (41), a discharge port (42), a second support block (43), a third slide groove (44), a locking block (45), a notch (46) and a support frame (47); the left end of the inner wall of the filter box (1) is fixedly connected to the support frame (47); the right end of the inner wall of the filter box (1) is fixedly connected to the second support block (43); the second support block (43) is provided with a third slide groove (44); the front end of the second support block (43) is provided with notches (46) at equal intervals. ), the notch (46) is connected to the slide groove three (44), the outer wall of the support block two (43) is in contact with the filter screen (41), the inner wall of the support frame (47) is in contact with the filter screen (41), the inner wall of the filter screen (41) is in contact with the brush (226), a discharge port (42) is provided on the left side of the lower end of the filter screen (41), a plurality of locking blocks (45) are fixedly connected at equal intervals on the lower side of the right end of the filter screen (41), and the locking block (45) is slidably connected in the slide groove three (44).

6. The powder screening and filtering device according to claim 5, characterized in that: The door assembly (3) comprises a hinge (31), a sealing door (32), a handle (33) and a second bolt (34); the hinge (31) is fixedly connected to the left end of the rear side of the filter box (1); the filter box (1) is rotatably connected to the sealing door (32) via the hinge (31); the handle (33) is fixedly connected to the front side of the left end of the sealing door (32); the second bolt (34) is threadedly connected to the front side of the left end of the sealing door (32); and the sealing door (32) is fixedly connected to the filter box (1) via the second bolt (34).

7. The powder screening and filtering device according to claim 6, characterized in that: The discharge assembly (5) comprises a discharge port 1 (51) and a discharge port 2 (52); the discharge port 1 (51) is fixedly connected to the lower end of the filter box (1), and the discharge port 2 (52) is fixedly connected to the left side of the lower end of the filter box (1).

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