A raw material screening device for fine chemical industry

Abstract

The application discloses a raw material screening device for fine chemical industry, which comprises a shell, four universal wheels arranged at four corner positions of the bottom end of the shell respectively, a cylinder fixedly arranged at the top end of the shell and communicated with the shell, a primary screening structure arranged in the cylinder, a plurality of handles arrayed on the outer wall of the cylinder, a cover body detachably arranged on the top end of the cylinder through a plurality of screws, a driving structure arranged on the bottom end of the cover body and the primary screening structure, and a stirring structure installed on the driving structure. The application relates to the technical field of screening equipment. The raw material screening device realizes efficient and accurate screening through the mode of up-down shaking screening, material stirring and air fine screening, improves the working efficiency, improves the screening accuracy, and has high practical value.

Description

Technical Field

[0001] This invention relates to the field of screening equipment technology, specifically to a raw material screening device for fine chemicals. Background Technology

[0002] In existing fine chemical raw material screening technologies, the most commonly used screening device is the vibrating screen. The main structure of a vibrating screen includes a screen frame, a screen mesh, and a vibrating motor. The vibrating motor drives the screen frame to oscillate left and right, causing the material inside the screen frame to sway on the screen mesh, thus achieving screening. This screening device is widely used in industries such as chemical, mining, and metallurgy for coarse screening of raw materials to meet the particle size requirements during production.

[0003] However, existing vibrating screens have some shortcomings. Because vibrating screens use a left-right swaying motion for screening, this can lead to uneven material distribution on the screen mesh, affecting screening efficiency and accuracy. Vibrating screens cannot effectively agitate the material during screening, which may cause material to accumulate on the screen mesh, further impacting the screening effect. Furthermore, vibrating screens cannot perform fine screening; for applications requiring fine screening, their screening effect may not meet requirements. Based on these issues, this project was developed. Summary of the Invention

[0004] This application provides a raw material screening device for fine chemicals, the main purpose of which is to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this application provides a raw material screening device for fine chemicals, comprising: a shell; four casters respectively disposed at the four corners of the bottom end of the shell; a cylinder, the bottom end of which is fixedly disposed at the top end of the shell and connected to the shell; a primary screening structure disposed inside the cylinder; handles, a plurality of handles respectively arranged in an array on the outer side of the outer wall of the cylinder; a cover, the cover being detachably disposed at the top end of the cylinder by a plurality of screws; a drive structure disposed at the bottom end of the cover and on the primary screening structure; a turbulence structure mounted on the drive structure; and a fine screening structure disposed inside the shell.

[0006] In one feasible implementation, the primary screening structure includes: abutment seats, a plurality of abutment seats being fixedly installed at the bottom end of the inner wall of the cylinder; springs, the bottom ends of a plurality of springs being fixedly installed at the top ends of a plurality of abutment seats; and a screening barrel, the screening barrel being installed at the top ends of a plurality of springs via a plurality of ear plates.

[0007] In one feasible implementation, the bottom end of the sieve barrel is provided with a plurality of sieve holes.

[0008] In one feasible implementation, the driving structure includes: a drive motor, which is fixedly installed at the middle part of the bottom end of the cover; a rotating shaft, the top end of which is installed on the driving end of the drive motor; a sleeve, the bottom end of which is installed at the middle part inside the sieve barrel and fitted onto the outer side of the outer wall of the rotating shaft; and a guide assembly, which is installed on the outer side of the rotating shaft and inside the sleeve.

[0009] In one feasible implementation, the top of the screen barrel is further provided with a baffle assembly, which includes: a corrugated pipe, the bottom end of which is fixedly connected to the top of the screen barrel; and a bucket-shaped ring, the outer circumference of which is fixedly disposed on the inner wall of the cylinder, and the bottom opening is fixedly connected to the top of the corrugated pipe.

[0010] In one feasible implementation, the guiding assembly includes: a guide groove formed on the outer side of the outer wall of the rotating shaft; and a guide post disposed inside the sleeve and matching the guide groove.

[0011] In one feasible embodiment, the turbulence structure includes: a connecting rod, one end of which is respectively installed on the outer side of the outer wall of the rotating shaft, the connecting rod including a vertical member and an inclined member; and a baffle, one end of which is respectively fixedly installed on the outer side of the outer wall of the vertical member.

[0012] In one feasible implementation, the fine screening structure includes: a blower disposed on one side of the housing; a placement hole opened at the top of the housing; a screen plate detachably installed inside the placement hole and located on the opposite side of the blower, the top of the screen plate being provided with two handles; a discharge hopper disposed on one side of the housing and located outside the screen plate; and a drawer disposed on one side of the housing.

[0013] This application provides a raw material screening device for fine chemicals. Through the coordinated action of a stirring structure, a primary screening structure, and a fine screening structure, a highly efficient and precise screening process is achieved. First, the raw material is poured into the screen barrel. Then, a drive motor starts, driving the screen barrel to oscillate up and down via a rotating shaft. This oscillation disperses the material within the screen barrel, increasing the contact area between the material and the screen mesh, thereby improving screening efficiency. Simultaneously, connecting rods and baffles agitate the material during oscillation. This agitation prevents material accumulation inside the screen barrel, ensuring uniform distribution and further improving screening accuracy. During screening, the screen plate is detachably installed inside the placement hole at the top of the housing. The size of the hole determines the screening accuracy. Larger materials remain on the screen plate, while smaller materials fall into the discharge hopper through the holes. Furthermore, two handles are provided at the top of the screen plate for easy disassembly and cleaning. The start of a blower uses airflow to blow the material on the screen plate into the discharge hopper, achieving precise screening. This design not only improves screening efficiency but also facilitates material removal and screen cleaning, thus enhancing work efficiency. Simultaneously, the drawer design allows for easy removal of screened material from the discharge hopper, improving operational convenience. This device achieves efficient and precise screening through up-and-down oscillation screening, material agitation, and air-powered fine screening, improving both work efficiency and screening accuracy, making it highly practical. Attached Figure Description

[0014] Figure 1 A schematic diagram of the structure of a raw material screening device for fine chemicals provided in an embodiment of this application is shown.

[0015] Figure 2 This illustration shows a schematic diagram of the isometric structure of a raw material screening device for fine chemicals provided in an embodiment of this application.

[0016] Figure 3 This illustration shows a front view of a raw material screening device for fine chemicals, according to an embodiment of this application.

[0017] Figure 4 This illustration shows a cross-sectional structural schematic diagram of a raw material screening device for fine chemicals provided in an embodiment of this application;

[0018] Figure 5 This paper shows a three-dimensional structural diagram of the rotating shaft of a raw material screening device for fine chemicals, according to an embodiment of this application.

[0019] Figure 6 This illustration shows a three-dimensional structural diagram of a guide column for a raw material screening device in fine chemicals, according to an embodiment of this application.

[0020] Figure 7 This illustration shows an enlarged schematic diagram of the guide groove structure of a raw material screening device for fine chemicals provided in an embodiment of this application;

[0021] Figure 8 This illustration shows an enlarged schematic diagram of the abutment plate structure of a raw material screening device for fine chemicals, provided in an embodiment of this application.

[0022] In the diagram: 1. Shell, 2. Casters, 3. Cylinder, 4. Handle, 5. Cover, 6. Abutment seat, 7. Spring, 8. Screen barrel, 9. Screen hole, 10. Drive motor, 11. Rotating shaft, 12. Sleeve, 13. Bellows, 14. Bucket-shaped ring, 15. Guide groove, 16. Guide column, 17. Connecting rod, 18. Baffle, 19. Fan, 20. Placement hole, 21. Screen plate, 22. Discharge hopper, 23. Drawer. Detailed Implementation

[0023] To better understand the technical solutions provided in the embodiments of this specification, the technical solutions of the embodiments of this specification will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this specification and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. In the absence of conflict, the embodiments of this specification and the technical features in the embodiments can be combined with each other.

[0024] In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. The term "two or more" includes two or more cases.

[0025] Please see Figures 1-8This application provides a raw material screening device for fine chemicals, comprising: a shell 1, casters 2, a cylinder 3, a primary screening structure, handles 4, a cover 5, a drive structure, a turbulence structure, and a fine screening structure. Four casters 2 are respectively located at the four corners of the bottom of the shell 1. The bottom of the cylinder 3 is fixedly located at the top of the shell 1 and is connected to the shell 1. The primary screening structure is located inside the cylinder 3. Several handles 4 are arranged in an array on the outer side of the outer wall of the cylinder 3. The cover 5 is detachably located at the top of the cylinder 3 by several screws. The drive structure is located at the bottom of the cover 5 and on the primary screening structure. The turbulence structure is installed on the drive structure. The fine screening structure is installed inside the shell 1.

[0026] In the specific implementation process, it should be noted that when screening raw materials, the staff moves the shell 1 to a suitable position using the universal wheels 2 at its bottom, then pours the raw materials into the interior of the primary screening structure, and covers the top of the cylinder 3 with the cover 5. After power is turned on, the drive structure starts to start, causing the stirring structure to rotate inside the primary screening structure. During the rotation, the primary screening structure is agitated, thereby achieving the screening effect of the primary screening structure on the raw materials. The screened material falls from the interior of the cylinder 3 into the interior of the shell 1. During the falling process, the fine screening structure is activated, so that the material achieves a fine screening effect, thereby meeting the screening requirements in fine chemicals.

[0027] In some examples, the primary screening structure further includes: abutment seats 6, springs 7, and a screen barrel 8. Several abutment seats 6 are fixedly installed at the bottom of the inner wall of the cylinder 3; the bottom ends of several springs 7 are fixedly installed at the top of several abutment seats 6; and the screen barrel 8 is installed at the top of several springs 7 by several ear plates.

[0028] In the specific implementation process, it should be noted that the abutment seat 6 is fixedly installed at the bottom of the inner wall of the cylinder 3 to provide support for the spring 7. The elasticity of the spring 7 allows the screen barrel 8 to oscillate under the action of the drive structure, thereby achieving the screening effect. The up-and-down oscillating screening method can quickly disperse the material on the screen surface, thereby improving the screening efficiency and better controlling the screening accuracy of the material, especially for the screening of fine-grained materials. It also effectively prevents the screen holes 9 from clogging, because the oscillation of the material on the screen holes 9 of the screen barrel 8 can help remove the material in the screen holes 9.

[0029] In some examples, the drive structure further includes: a drive motor 10, a rotating shaft 11, a sleeve 12, and a guide assembly. The drive motor 10 is fixedly installed at the middle part of the bottom end of the cover 5; the top end of the rotating shaft 11 is installed on the drive end of the drive motor 10; the bottom end of the sleeve 12 is installed at the middle part inside the screen barrel 8 and is fitted on the outer side of the outer wall of the rotating shaft 11; the guide assembly is installed on the outer side of the rotating shaft 11 and inside the sleeve 12.

[0030] In the specific implementation process, it should be noted that the drive motor 10 is the power source for the rotating shaft 11. When the drive motor 10 starts, the rotating shaft 11 begins to rotate, and under the action of the guide assembly, the power is transmitted to the screen barrel 8, thereby achieving the effect of up-and-down oscillation of the screen barrel 8. This oscillation enables the screen barrel 8 to achieve the effect of screening raw materials. The screened material falls from the screen barrel 8 into the interior of the shell 1. During the falling process, the fine screening structure located inside the shell 1 is activated to further finely screen the material to meet the screening requirements in fine chemical industry.

[0031] In some examples, the top of the screen barrel 8 is further provided with a baffle assembly, which includes a corrugated pipe 13 and a bucket-shaped ring 14. The bottom end of the corrugated pipe 13 is fixedly connected to the top of the screen barrel 8. The outer circle of the bucket-shaped ring 14 is fixedly set on the inner wall of the cylinder 3, and the bottom opening is fixedly connected to the top of the corrugated pipe 13.

[0032] In the specific implementation process, it should be noted that the funnel-shaped ring 14 facilitates the falling of materials, and the corrugated pipe 13 connects the funnel-shaped ring 14 and the screen barrel 8 to prevent materials from splashing out of the screen barrel 8 when it is agitated. The worker pours the raw materials into the funnel-shaped ring 14, and the materials enter the corrugated pipe 13 through the bottom opening of the funnel-shaped ring 14, and then fall into the screen barrel 8. Next, the drive motor 10 starts, driving the screen barrel 8 to agitate via the rotating shaft 11. During the agitation of the screen barrel 8, the materials move up and down inside the screen barrel 8, achieving screening. Because the top of the screen barrel 8 is equipped with a baffle assembly, namely the corrugated pipe 13 and the funnel-shaped ring 14, even when the screen barrel 8 is agitated, the materials will not splash out from the outside of the screen barrel 8. After the materials are screened inside the screen barrel 8, the screened materials fall from the bottom of the screen barrel 8 into the interior of the shell 1, while the unscreened materials remain inside the screen barrel 8, waiting for the next screening. This design not only improves screening efficiency but also effectively prevents material spillage, ensuring a clean working environment.

[0033] In some examples, the guide assembly further includes a guide groove 15 and a guide post 16. The guide groove 15 is formed on the outer side of the outer wall of the rotating shaft 11, and the guide post 16 is disposed inside the sleeve 12 and matches the guide groove 15.

[0034] In the specific implementation process, it should be noted that when the drive motor 10 drives the rotating shaft 11 to start rotating, the guide groove 15 rotates accordingly. Under the constraint of the shape of the guide groove 15 itself, the guide column 16 installed inside the sleeve 12 moves under the guidance of the guide groove 15. The guide column 16 moves obliquely upward through the guide groove 15. When it moves to the highest point of the guide groove 15, it moves rapidly downward under the pulling force of the spring 7. At this time, the shaking effect of the screen barrel 8 is completed. The screened material falls from the bottom of the screen barrel 8 into the interior of the shell 1, while the unscreened material remains inside the screen barrel 8, waiting for the next screening.

[0035] In some examples, the turbulence structure further includes: connecting rods 17 and baffles 18, with one end of several connecting rods 17 respectively installed on the outer side of the outer wall of the rotating shaft 11, and the connecting rods 17 including vertical members and inclined members; one end of several baffles 18 is respectively fixedly installed on the outer side of the outer wall of the vertical member.

[0036] In the specific implementation process, it should be noted that the worker pours the raw materials into the screen barrel 8. Then, the drive motor 10 starts, driving the screen barrel 8 to oscillate via the rotating shaft 11. During the oscillation of the screen barrel 8, the material moves up and down inside the screen barrel 8, achieving screening. During this process, since one end of the connecting rod 17 is installed on the outer side of the rotating shaft 11, the connecting rod 17 will also rotate when the rotating shaft 11 rotates. The rotation of the connecting rod 17 will drive the baffle 18 to rotate, and the baffle 18 will agitate the material inside the screen barrel 8 during rotation, which can make the material more evenly distributed inside the screen barrel 8, improving screening efficiency. At the same time, the agitation of the baffle 18 can also prevent the material from accumulating inside the screen barrel 8, ensuring screening accuracy. After screening is completed, the screened material falls from the bottom of the screen barrel 8 into the interior of the shell 1, while the unscreened material remains inside the screen barrel 8, waiting for the next screening.

[0037] In some examples, the fine screening structure further includes: a blower 19, a placement hole 20, a screen plate 21, a discharge hopper 22, and a drawer 23. The blower 19 is located on one side of the housing 1; the placement hole 20 is opened at the top of the housing 1; the screen plate 21 is detachably installed inside the placement hole 20 and located on the opposite side of the blower 19, and two handles are provided at the top of the screen plate 21; the discharge hopper 22 is located on one side of the housing 1 and outside the screen plate 21; and the drawer 23 is located on one side of the housing 1.

[0038] In the specific implementation process, it should be noted that the worker pours the raw materials into the placement hole 20, and the material is screened through the screen plate 21. The size of the holes on the screen plate 21 determines the screening accuracy; larger materials remain on the screen plate 21, while smaller materials fall into the discharge hopper 22 through the holes. Then, the blower 19 is started, using air force to blow the material on the screen plate 21 into the discharge hopper 22, thus achieving material screening. During the screening process, the screen plate 21 can be disassembled using a handle, facilitating the cleaning of the material on the screen plate 21 and the replacement of the screen plate 21. After screening, the screened material falls from the discharge hopper 22 into the drawer 23 for easy removal by the worker. The unscreened material remains on the screen plate 21, awaiting the next screening. This design not only improves screening efficiency but also facilitates the removal of materials and the cleaning of the screen plate 21, thereby improving work efficiency.

[0039] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A raw material screening device for fine chemical industry, characterized in that, include: Shell (1); The four casters (2) are respectively located at the four corners of the bottom of the housing (1); The bottom end of the cylinder (3) is fixedly disposed at the top end of the shell (1) and is connected to the shell (1); The primary screening structure is disposed inside the cylinder (3); Handles (4), a plurality of the handles (4) are respectively arranged in an array on the outer side of the outer wall of the cylinder (3); The cover (5) is detachably mounted on the top of the cylinder (3) by a number of screws; The driving structure is set at the bottom of the cover (5) and on the primary screening structure; A scrambling structure is mounted on a drive structure; A fine screening structure is installed inside the housing (1); The primary screening structure includes: Abutment (6), several of the abutment seats (6) are respectively fixedly installed at the bottom end of the inner wall of the cylinder (3); The bottom ends of several springs (7) are respectively fixedly disposed on the top ends of several abutment seats (6); A sieve barrel (8) is mounted on the top of several springs (7) via multiple ear plates; The driving structure includes: A drive motor (10) is fixedly installed in the middle part of the bottom end of the cover (5); A rotating shaft (11) is mounted on the drive end of a drive motor (10). Sleeve (12), the bottom end of which is installed in the middle part inside the screen barrel (8) and fitted on the outer side of the outer wall of the rotating shaft (11); Guide components are respectively installed on the outside of the rotating shaft (11) and inside the sleeve (12); The guiding component includes: Guide groove (15), the guide groove (15) is formed on the outer side of the outer wall of the rotating shaft (11); Guide post (16), the guide post (16) is disposed inside the sleeve (12) and matches the guide groove (15); The turbulence structure includes: Connecting rods (17), one end of several connecting rods (17) is respectively installed on the outer side of the outer wall of the rotating shaft (11), the connecting rods (17) include vertical members and inclined members; Baffles (18), one end of several of the baffles (18) are respectively fixedly installed on the outer side of the outer wall of the vertical member.

2. The raw material screening device for fine chemicals according to claim 1, characterized in that: The bottom end of the sieve barrel (8) is provided with several sieve holes (9).

3. The raw material screening device for fine chemicals according to claim 1, characterized in that: The top of the screen barrel (8) is also provided with a material-blocking component, the material-blocking component including: A corrugated pipe (13) is fixedly connected at its bottom end to the top end of a sieve barrel (8). A funnel-shaped ring (14) is fixedly set on the inner wall of the cylinder (3) with its outer circle fixedly connected to the top of the corrugated pipe (13) with its bottom opening.

4. The raw material screening device for fine chemicals according to claim 1, characterized in that: The fine screening structure includes: A fan (19) is disposed on one side of the housing (1); Placement hole (20) is provided at the top of housing (1); The sieve plate (21) is detachably installed inside the placement hole (20) and located on the opposite side of the blower (19). Two handles are provided at the top of the sieve plate (21). The discharge hopper (22) is disposed on one side of the housing (1) and located outside the sieve plate (21); Drawer (23), which is located on one side of housing (1).

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