CN218784964U - Salt sieving mechanism - Google Patents

Abstract

The application relates to a salt screening device, which comprises a mounting frame, a screen box and a vibrating piece for vibrating the screen box, wherein the screen box is arranged on the mounting frame, and the vibrating piece is arranged at the lower part of the screen box; the screen box comprises a box body, a guide plate and a screening mechanism, the guide plate is fixedly connected to two ends of the box body, and the screening mechanism is arranged below the guide plate; the screening mechanism comprises a plurality of screening components, each screening component comprises a plurality of obliquely arranged screens, a support component arranged below the screens and a collecting part connected with the bottom of each screen, the collecting part is provided with a discharge hole for collecting finished products, the upper parts of the screens are arranged below the guide plates, and the support components and the collecting parts are fixedly connected with the box body; the meshes of the screen mesh decrease from top to bottom. This application is through vibrating the screen cloth of the different sieve mesh sizes of multilayer to when realizing the hierarchical collection of different particle size salt, improve the efficiency and the quality of salt screening.

Description

Salt sieving mechanism

Technical Field

The application relates to salt production facility field especially relates to a salt sieving mechanism.

Background

Common salt is an important seasoning in daily life of people, and along with the development of society, the requirement of people on the particle uniformity of common salt is higher and higher.

In the process of producing salt in a salt factory, salt particles need to be screened before the salt is filled into bags. Picking larger particles in the salt, and performing secondary treatment on the salt particles with larger diameters.

In the prior art, salt factories drive a screen to vibrate through a vibrating motor, so that salt is screened and classified.

However, in actual production, some small salt particles are often mixed in larger salt particles, i.e., the screening quality is not good. Namely, the quality and efficiency of salt screening need to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency and the quality of salt screening, this application provides a salt sieving mechanism.

The application provides a salt sieving mechanism adopts following technical scheme:

a salt screening device comprises a mounting frame, a screen box and a vibrating piece for vibrating the screen box, wherein the screen box is arranged on the mounting frame, and the vibrating piece is mounted at the lower part of the screen box; the screen box comprises a box body, a guide plate and a screening mechanism, wherein the guide plate is fixedly connected to two ends of the box body, and the screening mechanism is arranged below the guide plate; the screening mechanism comprises a plurality of screening components, each screening component comprises a plurality of obliquely arranged screens, a support component arranged below the screens and a collecting part connected with the bottoms of the screens, the collecting part is provided with a discharge hole for collecting finished products, the upper parts of the screens are arranged below the guide plates, and the support components and the collecting parts are fixedly connected with the box body; the meshes of the screen mesh decrease from top to bottom.

Through adopting above-mentioned technical scheme, after the sieving mechanism starts, the vibration effect that vibrating motor produced transmits for the sieve case drives the screen cloth vibration, makes the material granule on the screen cloth do the jump motion along with the vibration of screen cloth. Under the dual action of gravity and vibration, the materials jump continuously along the inclined plane of the screen to make the material particles smaller than the aperture of the screen of the current stage fall into the screen of the next stage through the screen of the current stage. Therefore, according to the diameter of the particles, the efficiency and the quality of salt screening are improved while the material particles are collected in a grading manner.

Optionally, the screen is bolted to the support assembly.

Through adopting above-mentioned technical scheme, become integrative with screen cloth and sieve case link to improve the vibration range of screen cloth, and then improve the mutual collision degree of the material granule on screen cloth and the screen cloth, make more small granule materials fall into on the screen cloth of lower floor, improve the quality and the efficiency of screening.

Optionally, one side of the support assembly is hinged to the box body.

Through adopting above-mentioned technical scheme, the staff of being convenient for will prop up supporting component and turn up to be convenient for the staff and change, clear up the filter screen.

Optionally, the screen is connected to the support assembly by a first spring.

Through adopting above-mentioned technical scheme, set up in the vibration of screen cloth and the first spring of support subassembly spare aggravation screen cloth. The screen can not only vibrate up and down, but also shake left and right, thereby improving the screening effect.

Optionally, the screening device further comprises a flow distribution assembly, the flow distribution assembly is arranged in the middle of the screen, and the flow distribution assembly comprises two flow distribution pieces in the inclined directions.

Through adopting above-mentioned technical scheme, the reposition of redundant personnel piece will vibrate the material granule reposition of redundant personnel to the screen cloth both sides of concentrating to the screen cloth middle part, improve the degree of consistency of material on the screen cloth to further improve the screening efficiency and the quality of material.

Optionally, a second spring is arranged between the sieve box and the support column, the sieve box is provided with a first groove for fixing the second spring, and the support column is provided with a second groove for fixing the second spring.

Through adopting above-mentioned technical scheme, the screen box sets up the second spring through screen box and support column in periodic vibration under vibrating motor's effect, has increaseed the vibration range of screen box for screen cloth in the sieve and the material on the screen cloth also do the leap type motion along with the screen box together, thereby improve the efficiency and the quality of screening.

Optionally, a fixing part for the second spring to penetrate through is arranged on the supporting column.

Through adopting above-mentioned technical scheme, support piece restricts the removal of second spring on the horizontal direction to improve the overall stability of device, reduce because of the second spring atress warp too big and lead to the condition emergence of sieve case and support column separation.

Optionally, a first through hole for the fixing piece to penetrate through is formed at the bottom of the first groove.

Through adopting above-mentioned technical scheme, after the mounting wore to establish the first through-hole of sieve case, even into a whole with support column and sieve case to improve the stability of device operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up multistage screening subassembly, carry out the classified screening to the salt of different particle sizes, when carrying out the hierarchical collection with the material granule, improve the efficiency and the quality of salt screening.

2. Through set up the second spring between sieve case and support column, increase the range of sieve case and screen cloth vibration to further improve sieving mechanism's screening quality and screening efficiency, improve the product of meticulous salt.

Drawings

Fig. 1 is an overall schematic view of a salt screening apparatus in example 1.

Figure 2 is a schematic view showing the internal structure of the screening device in example 1.

Figure 3 is a schematic view showing the connection relationship of the screen and the support assembly in embodiment 2.

Fig. 4 is a schematic view showing the structure of the shunt assembly in embodiment 3.

Figure 5 is an overall schematic view of the screening device embodied in example 4.

Figure 6 is a schematic view showing the installation of the screen box and the supporting column in example 4.

Description of reference numerals: 1. a mounting frame; 2. a screen box; 3. a vibrating member; 4. a baffle; 5. a first screening component; 6. a second screening component; 7. a first screen; 8. a support assembly; 9. a first collecting member; 10. a first discharge port; 11. a second screen; 12. a second collecting member; 13. a second discharge port; 14. a third collecting member; 15. a third discharge port; 16. a cover plate; 17. a first spring; 18. a flow splitter; 21. a flow distribution plate; 22. a fixing plate; 23. a second through hole; 24. a support pillar; 25. a fixing member; 26. a second spring; 27. lifting the ears; 28. a first groove; 31. a second groove; 32. a first through hole; 33. a nut; 34. a salt conveying line; 35. and (4) fixing the ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example 1:

the embodiment of the application discloses salt sieving mechanism. Referring to fig. 1, the salt screening apparatus includes a mounting frame 1, a screen box 2, and a vibrating member 3. The screen box 2 is arranged on the mounting frame 1; the vibrating member 3 is installed at the lower portion of the sieve tank 2, and the vibrating member 3 is used to vibrate the sieve tank 2, thereby sieving the salt particles in the sieve tank 2.

The vibrating member 3 is a vibrating motor or a vibration exciter, and in this embodiment, the screen box 2 is vibrated by using two vibrating motors with the same model.

The sieve box 2 comprises a box body, a guide plate 4 and a screening mechanism.

Guide plate 4 fixed connection is in the both ends of box, and sets up in the below of salt transfer chain 34, with salt transfer chain 34 salt water conservancy diversion to the screening mechanism on. Specifically, the both sides of guide plate 4 are to middle slope setting, with more salt water conservancy diversion to the middle part of screening mechanism, reduce salt along the lateral wall lapse of box, the condition emergence of not being sieved.

Referring to fig. 2, the screening mechanism arranged below the guide plate 4 sequentially comprises a plurality of screening components from top to bottom, the screening components comprise a screen mesh arranged in an inclined manner, a supporting component 8 arranged below the screen mesh and a collecting part connected with the bottom of the screen mesh, the collecting part is provided with a discharge port for collecting finished products, and the upper part of the screen mesh is arranged below the guide plate 4.

Wherein, supporting component 8, collection piece all with box fixed connection. The meshes of the screens at different levels are gradually reduced from top to bottom, so that the salt granules with different diameters are screened.

The supporting component 8 is formed by welding hollow rectangular steel pipes and is used for supporting the screen and reinforcing the vibration amplitude of the middle area of the screen.

And the screen cloth passes through bolt and 8 fixed connection of supporting component to connect into a whole with screen cloth and box, improve the vibration range of screen cloth, and the range of the jump of salt granule on the screen cloth, improve the efficiency and the quality of salt sieving mechanism's screening.

Referring to fig. 1 and 2, in the present embodiment, two screening assemblies are provided, and in other embodiments, three, four, and other assemblies capable of implementing a multi-stage screening function may be provided. The screening assemblies are named as a first screening assembly 5 and a second screening assembly 6 from top to bottom in sequence. By analogy, the screens are named as a first screen 7 and a second screen 11 from top to bottom; the discharge ports are named as a first discharge port 10 and a second discharge port 13 from top to bottom in sequence, and the collecting pieces are named as a first collecting piece 9, a second collecting piece 12 and a third collecting piece 14 from top to bottom.

And the bottom of the box body is provided with a third discharge hole 15, and the finished products after being screened are discharged and collected from the third discharge hole 15.

In order to facilitate the collection of finished products with different particle grades, the first discharge hole 10, the second discharge hole 13 and the third discharge hole 15 are staggered with each other.

When the first screen 7 screens the salt, part of the smaller salt particles are wrapped in the larger salt particles and fall into the first collecting member 9, and the smaller salt particles are not screened out.

When salt granules are screened, the salt content of large granules is low, and most of the large granules are salt granules of the second and third grades. Therefore, when the first discharging hole 10 is covered by the cover plate 16 when the salt is screened by the screening device, and a certain amount of the salt on the first collecting member 9 is collected, the part of the salt can be lifted to the first screen 7 again by using some containers to carry out secondary filtration, thereby improving the yield of fine salt.

When the salt is collected to a certain degree, the cover plate 16 is lifted, and the coarse salt falls onto the second collecting piece 12 through the first discharge hole 10 and is collected through the second collecting hole.

Namely, the number of times of collecting the coarse salt particles is reduced by the cover plate 16, and the work space required for collecting the coarse salt particles is reduced.

Similarly, the salt particles collected through the second outlet 13 can be sieved again to improve the yield of the fine salt.

The implementation principle of salt sieving mechanism of the embodiment of this application does:

after the screening device starts, the vibrating motors which are symmetrically arranged synchronously and reversely run, and the vibrating action generated by the vibrating motors is transmitted to the screen box 2, so that the screen box 2 drives the screen to vibrate, and salt particles on the screen do jumping motion along with the vibration of the screen.

In the movement process, salt particles smaller than the aperture of the screen mesh fall into the screen mesh at the lower layer through the screen mesh, while salt particles larger than the screen mesh are remained on the screen mesh at the current stage, and under the double action of gravity and vibration force, the salt particles are collected into the collecting piece after continuously jumping.

By analogy, through the filtering and screening of screens with different apertures, the particles with different sizes are screened to different collecting pieces by the screens with different stages, and then the salt is classified, screened and collected.

Example 2:

example 2 differs from example 1 in that:

in this embodiment, one side of supporting component 8 is articulated with the box to the staff upwards turns over the filter screen on supporting component 8 and the supporting component 8, is convenient for the staff to clear up, change the filter screen.

Referring to figure 3, the support assembly 8 is connected to the screen by a double-ended first spring 17. Specifically, the supporting component 8 is further provided with a plurality of fixing rings 35 along the edge thereof, one end of the double-head first spring 17 is connected with the sieve holes of the first sieve 7, and the other end is connected with the fixing holes. The shaking of the first spring 17 in the left-right direction is enhanced, and the screening quality and efficiency are improved.

Example 3:

referring to fig. 4, in this embodiment, the middle portion of the screen is provided with a shunting assembly for shunting the finished product particles centralized on the middle portion to two sides of the screen, so that the finished product particles are uniformly distributed on the screen, and the screening quality and efficiency of the screening device are improved.

Specifically, the flow dividing assembly comprises two flow dividing members 18 with opposite inclination directions, the flow dividing members 18 are formed by stamping a steel plate into a flow dividing plate 21 and a fixing plate 22 which are perpendicular to each other, and a plurality of second through holes 23 are formed in the fixing plate 22. After the self-locking nylon cable tie sequentially penetrates through the second through hole 23 and the sieve holes of the sieve mesh, the shunting assembly is fixed on the sieve mesh.

Example 4:

example 4 differs from example 1 in that:

referring to fig. 5, the mounting frame 1 includes a support column 24 supporting the sieve box 2 and a fixing member 25 on the support column 24. Salt's sieving mechanism is still including setting up second spring 26 between sieve case 2 and support column 24 for increase the vibration range of sieve case 2, improve the efficiency and the quality of screening.

In this embodiment, the second spring 26 is a large spring with a large elastic modulus, and the second spring 26 has a certain deformation amount along the length direction thereof and can support the screen box 2.

Referring to fig. 5 and 6, in particular, the two sides of the main body of the screen box 2 are provided with lifting lugs 27, and the lifting lugs 27 comprise first grooves 28 for accommodating and primarily fixing the second springs 26; the support column 24 is also provided with a second recess 31 for receiving and initially fixing the second spring 26.

The supporting column 24 is provided with a fixing part 25, and the fixing part 25 penetrates through the second groove 31. In this embodiment, the fixing member 25 is a round rod with a thread at one end, and the threaded end of the fixing member 25 is far away from the supporting pillar 24. And the diameter of the fixing member 25 is smaller than the inner diameter of the spring, so that the second spring 26 penetrates through the fixing member 25.

The first through hole 32 is opened at the bottom of the first groove 28 of the lifting lug 27, and the fixing member 25 is fixedly connected with the nut 33 after sequentially penetrating through the second spring 26, the first groove 28 and the first through hole 32. Thereby when guarantee sieve case 2 has vibration space in vertical direction, strengthen being connected of sieve case 2 and mounting bracket 1, improve the stability of sieving mechanism's operation.

The implementation principle of salt sieving mechanism of the embodiment of this application does:

when the screen box 2 vibrates downward, the screen box 2 compresses the second spring 26 downward; after that, the second spring 26 is reset, and the second spring 26 has an upward force on the sieve box 2. Thereby increasing the vibration amplitude of the screen box 2 and the screen mesh, and further improving the screening efficiency and the screening effect of the salt screening device.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A salt sieving mechanism which characterized in that: the vibrating screen comprises an installation frame (1), a screen box (2) and a vibrating piece (3) for vibrating the screen box (2), wherein the screen box (2) is arranged on the installation frame (1), and the vibrating piece (3) is arranged at the lower part of the screen box (2); the screen box (2) comprises a box body, a guide plate (4) and a screening mechanism, the guide plate (4) is fixedly connected to two ends of the box body, and the screening mechanism is arranged below the guide plate (4); the screening mechanism comprises a plurality of screening components, each screening component comprises a plurality of obliquely arranged screens, a support component (8) arranged below the screens and a collecting component connected with the bottoms of the screens, the collecting component is provided with a discharge hole for collecting finished products, the upper parts of the screens are arranged below the guide plates (4), and the support components (8) and the collecting components are fixedly connected with the box body; the meshes of the screen mesh decrease from top to bottom.

2. The salt screening apparatus according to claim 1, wherein: the screen mesh is bolted to the support assembly (8).

3. The salt screening apparatus according to claim 1, wherein: one side of the supporting component (8) is hinged with the box body.

4. The salt screening device according to claim 1, wherein: the screen is connected with the supporting component (8) through a first spring (17).

5. The salt screening apparatus according to claim 1, wherein: the screening device further comprises a flow distribution assembly, the flow distribution assembly is arranged in the middle of the screen, and the flow distribution assembly comprises two inclined direction flow distribution pieces (18).

6. The salt screening apparatus according to claim 1, wherein: be equipped with second spring (26) between sieve case (2) and support column (24), sieve case (2) are seted up and are used for fixed first recess (28) of second spring (26), support column (24) are seted up and are used for fixed second recess (31) of second spring (26).

7. The salt screening apparatus according to claim 6, wherein: and a fixing part (25) for the second spring (26) to penetrate is arranged on the supporting column (24).

8. The salt screening apparatus according to claim 7, wherein: and a first through hole (32) for the fixing piece (25) to penetrate is formed at the bottom of the first groove (28).

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