Layered rotary screening device for salt screening

Abstract

The utility model provides a layered rotary screening device for salt screening, which belongs to the technical field of salt screening and comprises a screening box, the top end of the screening box is detachably connected with a box cover through a bolt assembly, the center of the upper end face of the box cover is rotatably connected with a rotating sleeve, and the rotating sleeve is fixedly connected with a first bevel gear. A support is fixed to the upper end face of the box cover, a motor is fixedly connected to the support, the driving end of the motor is fixedly connected with a second bevel gear meshed with the first bevel gear, and a spline shaft is slidably connected into the rotating sleeve. Through the arrangement of the screening box, the discharging structure, the connecting column, the supporting frame and the adjusting structure, screened large table salt particles are automatically discharged outwards, follow-up table salt screening and processing are facilitated, practicability is higher, and the problem that in the prior art, screened large table salt particles are inconvenient to discharge outwards is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of salt screening, in particular to a layered rotary screening device for salt screening. Background Art

[0002] Table salt refers to sea salt, well salt, mineral salt, lake salt, soil salt, etc. from different sources. Their main component is sodium chloride, which needs to be screened during salt reproduction and processing.

[0003] After searching, in the prior art, a Chinese patent with patent application number CN202111424760.1 discloses a salt stratified rotary screening device, which includes a screening box, a rotating assembly and a screening assembly; the screening box has a screening cavity; the rotating assembly includes a rotating shaft and a threaded tube, the rotating shaft is vertically built into the screening cavity and is rotatably connected to the screening box, and the threaded tube is threadedly connected to the external thread formed on the rotating shaft; the screening assembly includes a screening plate built into the screening cavity and horizontally arranged, the screening plate is fixedly connected to the threaded tube, the screening plate is slidably connected to the screening box in the vertical direction, and the rotation of the rotating shaft is used to drive the screening plate to slide; but the following defects still exist:

[0004] (1) In the screening device of the prior art, it is inconvenient to discharge large particles of salt after screening, which affects the subsequent screening of salt;

[0005] (2) The screening device in the prior art can drive the screening plate to move back and forth in the vertical direction to screen the salt by rotating the shaft in a positive and negative direction. The reciprocating positive and negative rotation of the shaft is prone to aggravated wear. At the same time, the salt on the screen plate is not easy to be evenly distributed, resulting in poor screening effect.

[0006] Therefore, we have made improvements to this and proposed a layered rotary screening device for salt screening. Utility Model Content

[0007] The utility model aims to solve the problems that the existing screening device is inconvenient to discharge the screened large particles to the outside and the screening effect is poor.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] The layered rotary screening device is used for salt screening to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] The top end of the screening box is provided with a box cover by a bolt assembly, and the center of the upper end surface of the box cover is rotatably connected with a rotating sleeve, and the rotating sleeve is fixedly connected with a first bevel gear, and the upper end surface of the box cover is fixedly connected with a bracket, and the bracket is fixedly connected with a motor, and the driving end of the motor is fixedly connected with a second bevel gear meshing with the first bevel gear. The rotating sleeve is slidably connected with a spline shaft, and the upper end surface of the box cover is provided with a reciprocating structure for reciprocating adjustment of the spline shaft, and the bottom end of the spline shaft is fixedly connected with a rotating shaft, and three sieve plates are evenly fixedly connected to the rotating shaft, and a discharging structure is provided on the rear side wall of the screening box, and two connecting columns are symmetrically and fixedly connected to the outer peripheral side walls of the screening box, and the outer ends of the two connecting columns are rotatably connected to a support frame, and one of the support frames is provided with an adjusting structure for tilting the screening box.

[0012] As an optimal technical solution of the utility model, the reciprocating structure includes a vertical plate fixed on the upper end surface of the box cover, the bottom of the vertical plate is rotatably connected to a connecting shaft, the inner end of the connecting shaft is fixedly connected to a third bevel gear meshing with the first bevel gear, the top of the vertical plate is rotatably connected to a connecting shaft, the outer ends of the connecting shaft and the connecting shaft are fixedly connected to synchronous wheels, the synchronous wheels are transmission-connected by a synchronous belt, the inner end of the connecting shaft is fixedly connected to a rotating plate, the bottom end of the rotating plate is rotatably connected to a connecting rod, the bottom end of the connecting rod is rotatably connected to a connecting seat, the bottom end of the connecting seat is fixedly connected to a reciprocating plate, and the end of the reciprocating plate is rotatably connected to the top end of the spline shaft.

[0013] As a preferred technical solution of the utility model, the discharge structure includes three discharge ports evenly opened on the rear side wall of the screening box, and baffles are provided in the three discharge ports, the outer side wall of the baffle is fixedly connected with a connecting frame, the outer side wall of the screening box is fixedly connected with an assembly frame, the assembly frame is fixedly connected with a telescopic cylinder, and the driving end of the telescopic cylinder is fixedly connected to the connecting frame, and a guide plate is provided on the lower side of the baffle at the bottom, and the guide plate is fixedly connected to the screening box.

[0014] As a preferred technical solution of the utility model, the adjustment structure includes a connecting column fixed to the outer end of one of the connecting columns, the outer end of the connecting column is fixedly connected to a connecting block, the end of the connecting block is rotatably connected to a connecting head, a hydraulic cylinder is provided on the lower side of the connecting head, and the driving end of the hydraulic cylinder is fixedly connected to the connecting head, the bottom end of the hydraulic cylinder is rotatably connected to a mounting seat, the bottom end of the mounting seat is fixedly connected to a support plate, and the support plate is fixedly connected to a support frame close to it.

[0015] As a preferred technical solution of the utility model, the upper end surface of the box cover is fixedly connected with a feed port communicating therewith, and the bottom surface of the discharge port of the screening box is equipped with a discharge valve.

[0016] As a preferred technical solution of the utility model, a mounting opening is provided on the front side wall of the screening box, and a tempered glass is sealed and fixedly connected in the mounting opening, and the apertures of the three sieve plates decrease sequentially from top to bottom.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. Through the screening box, discharge structure, connecting column, support frame and adjustment structure, the large salt particles screened out are automatically discharged to the outside, which is convenient for subsequent screening and processing of salt, has stronger practicality, and solves the problem of inconvenience in discharging the large salt particles screened out in the prior art;

[0020] 2. By setting the rotating sleeve, the first bevel gear, the motor, the second bevel gear, the spline shaft, the reciprocating structure, the rotating shaft and the screen plate, the screen plate can rotate and reciprocate up and down at the same time, which significantly improves the efficiency and effect of salt screening, reduces wear and increases service life, and solves the problem of poor screening effect in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the layered rotary screening device for salt screening provided by the utility model;

[0022] Figure 2 A schematic diagram of the discharging structure of the layered rotary screening device for salt screening provided by the utility model;

[0023] Figure 3 A schematic diagram of the reciprocating structure of the layered rotary screening device for salt screening provided by the utility model;

[0024] Figure 4 A schematic diagram of the sieve plate structure of the layered rotary screening device for salt screening provided by the utility model;

[0025] Figure 5 A schematic diagram of the adjustment structure of the layered rotary screening device for salt screening provided by the utility model;

[0026] Figure 6 This is a front view structural schematic diagram of a layered rotary screening device for screening salt provided by the utility model.

[0027] Indicated in the figure:

[0028] 1. Screening box; 2. Box cover; 3. Rotating sleeve; 4. First bevel gear; 5. Bracket; 6. Motor; 7. Second bevel gear; 8. Spline shaft; 9. Reciprocating structure; 901. Vertical plate; 902. Connecting shaft; 903. Third bevel gear; 904. Connecting shaft; 905. Synchronous wheel; 906. Synchronous belt; 907. Rotating plate; 908. Connecting rod; 909. Connecting seat; 9010. Reciprocating plate; 10. Rotating shaft; 11. Screen plate; 1 2. Discharging structure; 1201. Baffle; 1202. Connecting frame; 1203. Assembly frame; 1204. Telescopic cylinder; 1205. Guide plate; 13. Connecting column; 14. Support frame; 15. Adjusting structure; 1501. Connecting column; 1502. Connecting block; 1503. Connecting head; 1504. Hydraulic cylinder; 1505. Mounting seat; 1506. Support plate; 16. Feed inlet; 17. Discharging valve; 18. Tempered glass. DETAILED DESCRIPTION

[0029] 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 described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the present embodiment proposes a layered rotary screening device for screening salt, including a screening box 1, the top of the screening box 1 is detachably connected to a box cover 2 by a bolt assembly, and the box cover 2 is detachably connected to the screening box 1 by a bolt assembly, so as to facilitate cleaning and maintenance of the interior when necessary, a rotating sleeve 3 is rotatably connected at the center of the upper end surface of the box cover 2, and a first bevel gear 4 is fixedly connected to the rotating sleeve 3, a bracket 5 is fixedly connected to the upper end surface of the box cover 2, a motor 6 is fixedly connected to the bracket 5, and a second bevel gear 7 meshingly connected to the first bevel gear 4 is fixedly connected to the driving end of the motor 6, a spline shaft 8 is slidably connected in the rotating sleeve 3, and a reciprocating structure 9 for reciprocatingly adjusting the spline shaft 8 is provided on the upper end surface of the box cover 2, and a rotating shaft 10 is fixedly connected to the bottom end of the spline shaft 8, and a rotating shaft 10 is evenly fixedly connected to the rotating shaft 10 Three sieve plates 11 are connected and driven by a motor 6 to rotate. At the same time, the spline shaft 8 is reciprocated to adjust the sieve plate 11 so that the sieve plate 11 can reciprocate up and down while rotating. This composite motion mode greatly improves the efficiency and effect of salt screening, and can more effectively separate salt of different particle sizes. A discharge structure 12 is provided on the rear side wall of the screening box 1 to facilitate the discharge of large-particle salt screened out. Two connecting columns 13 are symmetrically and fixedly connected on the outer peripheral side wall of the screening box 1. The outer ends of the two connecting columns 13 are rotatably connected to support frames 14. One of the support frames 14 is provided with an adjustment structure 15 for tilting the screening box 1, which is convenient for adjusting the angle of the screening box 1, and then convenient for discharging the large-particle salt screened out.

[0031] like Figure 1 and Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the reciprocating structure 9 includes a vertical plate 901 fixed on the upper end surface of the box cover 2, the bottom of the vertical plate 901 is rotatably connected with a connecting shaft 902, the inner end of the connecting shaft 902 is fixedly connected with a third bevel gear 903 meshing with the first bevel gear 4, the top of the vertical plate 901 is rotatably connected with a connecting shaft 904, the outer ends of the connecting shaft 902 and the connecting shaft 904 are fixedly connected with synchronous wheels 905, and the synchronous wheels 905 are transmission-connected with a synchronous belt 906 The inner end of the connecting shaft 904 is fixedly connected with a rotating plate 907, and the bottom end of the rotating plate 907 is rotatably connected with a connecting rod 908. The bottom end of the connecting rod 908 is rotatably connected with a connecting seat 909. The bottom end of the connecting seat 909 is fixedly connected with a reciprocating plate 9010, and the end of the reciprocating plate 9010 is rotatably connected to the top of the spline shaft 8; the third bevel gear 903 is driven to rotate through the rotating sleeve 3, which reduces the use of driving parts and reduces costs. The screen plate 11 can be rotated while also being able to reciprocate up and down, thereby improving the screening efficiency.

[0032] like Figure 2As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the discharge structure 12 includes three discharge ports evenly opened on the rear side wall of the screening box 1, and baffles 1201 are provided in the three discharge ports, the outer wall of the baffle 1201 is fixedly connected with a connecting frame 1202, the outer wall of the screening box 1 is fixedly connected with an assembly frame 1203, the assembly frame 1203 is fixedly connected with a telescopic cylinder 1204, and the driving end of the telescopic cylinder 1204 is fixedly connected to the connecting frame 1202, and a guide plate 1205 is provided on the lower side of the bottom baffle 1201, and the guide plate 1205 is fixedly connected to the screening box 1; the baffle 1201 is driven to move by the telescopic cylinder 1204, so as to facilitate the discharge of the screened large-particle salt to the outside.

[0033] like Figure 1 , Figure 5 and Figure 6 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the adjusting structure 15 includes a connecting column 1501 fixed at the outer end of one of the connecting columns 13, the outer end of the connecting column 1501 is fixedly connected with a connecting block 1502, the end of the connecting block 1502 is rotatably connected with a connecting head 1503, a hydraulic cylinder 1504 is provided on the lower side of the connecting head 1503, and the driving end of the hydraulic cylinder 1504 is fixedly connected to the connecting head 1503, the bottom end of the hydraulic cylinder 1504 is rotatably connected with a mounting seat 1505, the bottom end of the mounting seat 1505 is fixedly connected with a support plate 1506, and the support plate 1506 is fixedly connected to the support frame 14 close to it; the design of the adjusting structure 15 allows the screening box 1 to be tilted by the hydraulic cylinder 1504 when needed, so as to facilitate the discharge of the screened large-particle salt from the discharge port. This flexible adjustment function makes the operation more convenient and improves the work efficiency.

[0034] like Figure 1 and Figure 6 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the upper end surface of the box cover 2 is fixedly connected with a feed port 16 connected thereto, and a discharge valve 17 is installed on the bottom surface of the discharge port of the screening box 1; it is convenient to add materials into the screening box 1 and to discharge the screened salt.

[0035] like Figure 1 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, a mounting opening is opened on the front side wall of the screening box 1, and a tempered glass 18 is sealed and fixedly connected in the mounting opening, and the apertures of the three sieve plates 11 decrease from top to bottom; the screening situation can be conveniently checked through the tempered glass 18, three sieve plates 11 are provided, and the apertures of the sieve plates 11 decrease from top to bottom, thereby realizing multi-layer screening, and being able to separate salt of different particle sizes at the same time to meet different needs.

[0036] Specifically, when the layered rotary screening device for salt screening is working / in use: salt is put into the screening box 1 through the feed port 16, and then the motor 6 is driven to work, the motor 6 drives the second bevel gear 7 to drive the first bevel gear 4 and the rotating sleeve 3 to rotate, the rotation of the rotating sleeve 3 causes the spline shaft 8 and the rotating shaft 10 to rotate simultaneously, the rotation of the rotating shaft 10 causes the three sieve plates 11 to rotate simultaneously, and at the same time, the rotation of the first bevel gear 4 drives the third bevel gear 903 to rotate, and then the connecting shaft 902 is rotated, the connecting shaft 902 drives the lower synchronous wheel 905 to rotate, and drives the upper synchronous wheel 905 and the connecting shaft 904 to rotate through the synchronous belt 906, and the rotation of the connecting shaft 904 The rotation of the rotating plate 907 drives the connecting rod 908 to rotate, so that the reciprocating plate 9010 and the spline shaft 8 reciprocate up and down, and then the screen plate 11 can also reciprocate up and down while rotating, thereby improving the screening effect; after the screening is completed, the large particles of salt need to be discharged outward, and the telescopic cylinder 1204 is started to move the connecting frame 1202 and the baffle 1201 outward, and then the hydraulic cylinder 1504 is driven to move the connecting head 1503, thereby rotating the connecting block 1502, the connecting column 1501 and the connecting column 13, and then the screening box 1 is tilted, so that the large particles of salt are discharged outward, and the large particles of salt fall to the guide plate 1205 and are discharged outward.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A layered rotary screening device for screening salt, comprising a screening box (1), characterized in that: The top of the screening box (1) is detachably connected to a box cover (2) via a bolt assembly; a rotating sleeve (3) is rotatably connected to the center of the upper end surface of the box cover (2); a first bevel gear (4) is fixedly connected to the rotating sleeve (3); a bracket (5) is fixedly connected to the upper end surface of the box cover (2); a motor (6) is fixedly connected to the bracket (5); a second bevel gear (7) meshingly connected to the first bevel gear (4) is fixedly connected to the driving end of the motor (6); a spline shaft (8) is slidably connected in the rotating sleeve (3); and a spline shaft (8) is provided on the upper end surface of the box cover (2) for aligning the spline shaft. A reciprocating structure (9) for reciprocatingly adjusting a shaft (8), the bottom end of the spline shaft (8) is fixedly connected to a rotating shaft (10), three screen plates (11) are evenly and fixedly connected to the rotating shaft (10), a discharge structure (12) is provided on the rear side wall of the screening box (1), two connecting columns (13) are symmetrically and fixedly connected to the outer peripheral side wall of the screening box (1), the outer ends of the two connecting columns (13) are rotatably connected to support frames (14), and one of the support frames (14) is provided with an adjustment structure (15) for adjusting the inclination of the screening box (1).

2. A layered rotary screening device for salt screening according to claim 1, characterized in that: The reciprocating structure (9) comprises a vertical plate (901) fixed to the upper end surface of the box cover (2); the bottom of the vertical plate (901) is rotatably connected to a connecting shaft (902); the inner end of the connecting shaft (902) is fixedly connected to a third bevel gear (903) meshingly connected to the first bevel gear (4); the top of the vertical plate (901) is rotatably connected to a connecting shaft (904); the outer ends of the connecting shaft (902) and the connecting shaft (904) are both fixedly connected to a synchronous wheel (905). The synchronous wheels (905) are connected in transmission with a synchronous belt (906); the inner end of the connecting shaft (904) is fixedly connected with a rotating plate (907); the bottom end of the rotating plate (907) is rotatably connected with a connecting rod (908); the bottom end of the connecting rod (908) is rotatably connected with a connecting seat (909); the bottom end of the connecting seat (909) is fixedly connected with a reciprocating plate (9010); the end of the reciprocating plate (9010) is rotatably connected to the top end of the spline shaft (8).

3. A layered rotary screening device for salt screening according to claim 1, characterized in that: The material discharge structure (12) comprises three material discharge openings evenly arranged on the rear side wall of the screening box (1), and baffles (1201) are arranged in the three material discharge openings, the outer side wall of the baffle (1201) is fixedly connected to a connecting frame (1202), the outer side wall of the screening box (1) is fixedly connected to an assembly frame (1203), the assembly frame (1203) is fixedly connected to a telescopic cylinder (1204), and the driving end of the telescopic cylinder (1204) is fixedly connected to the connecting frame (1202), and a material guide plate (1205) is arranged on the lower side of the baffle (1201) at the bottom, and the material guide plate (1205) is fixedly connected to the screening box (1).

4. A layered rotary screening device for screening salt according to claim 1, characterized in that: The adjustment structure (15) comprises a connecting column (1501) fixed to the outer end of one of the connecting columns (13); the outer end of the connecting column (1501) is fixedly connected to a connecting block (1502); the end of the connecting block (1502) is rotatably connected to a connecting head (1503); a hydraulic cylinder (1504) is provided on the lower side of the connecting head (1503); the driving end of the hydraulic cylinder (1504) is fixedly connected to the connecting head (1503); the bottom end of the hydraulic cylinder (1504) is rotatably connected to a mounting seat (1505); the bottom end of the mounting seat (1505) is fixedly connected to a support plate (1506); and the support plate (1506) is fixedly connected to a support frame (14) adjacent to it.

5. A layered rotary screening device for screening salt according to claim 1, characterized in that: The upper end surface of the box cover (2) is fixedly connected to a feed port (16) which is in communication therewith, and the bottom surface of the discharge port of the screening box (1) is provided with a discharge valve (17).

6. A layered rotary screening device for screening salt according to claim 1, characterized in that: The front side wall of the screening box (1) is provided with a mounting opening, and a tempered glass (18) is sealed and fixedly connected in the mounting opening. The apertures of the three screening plates (11) decrease in sequence from top to bottom.

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