Raw material screening device for silica sol production

Abstract

The utility model discloses a raw material screening device for silica sol production, which comprises a screening box, the top end of the screening box is provided with a box cover, and the top end of the box cover is fixedly connected with a quantitative feeding assembly; the quantitative feeding assembly comprises a rotating motor. Raw materials are added into the material storage box through the feeding pipe, the rotating motor is started, the connecting shaft drives the two adjusting plates to rotate, after the two adjusting plates rotate by a certain angle, the adjusting plates make contact with the cambered surface on the sealing plate, relative sliding is generated, the sealing plate is extruded, a first sliding block slides in a first sliding groove, and the sealing plate is pressed. A second sliding block is driven to move through a connecting rod, a reset spring is extruded and contracted, after a sealing plate moves by a certain distance, raw materials can enter the screening box from a gap between a feeding port and the sealing plate, when the sealing plate is separated from an adjusting block, the sealing plate returns to the original position under the elastic force of the reset spring, and therefore quantitative conveying of the raw materials is achieved. And the screening efficiency is prevented from being influenced by excessive feeding amount.

Description

Technical Field

[0001] The utility model relates to the technical field of silica sol production, in particular to a raw material screening device for silica sol production. Background Art

[0002] Silica sol is a colloidal solution primarily composed of nano-sized silica particles. It has low viscosity and excellent permeability, allowing it to penetrate wherever water can reach. When the water in the silica sol evaporates, the colloidal particles firmly adhere to the surface, forming a silicon-oxygen bond. This makes it an excellent adhesive. To ensure the quality of silica sol, the raw materials are screened before production.

[0003] According to publication number CN215997529U, a raw material screening device for silica sol production includes a screening machine, wherein screening holes are provided inside the screening machine, a motor is connected to the inner wall of the bottom of the screening machine, and a rotating shaft is connected to the output end of the motor, a dredging device is installed on the output end of the motor to prevent the screening holes from being blocked, and an adjusting device is installed at one end of the rotating shaft to assist the dredging device in preventing blocking. This raw material screening device for silica sol production is provided with a dredging device to prevent the screening holes from being blocked and an adjusting device to assist the dredging device in preventing blocking. The motor rotates, driving the first bevel gear, the second bevel gear, the first gear, and the second gear to rotate in turn, thereby pushing the first rack and the second rack to drive the curved telescopic connecting rod and the irregular telescopic connecting rod to dredge the combined dredging plate to dredge the screening holes in combination, thereby preventing the screening holes from being blocked due to excessively high water content of some raw materials, avoiding incomplete screening of the raw materials, and thus improving work efficiency.

[0004] The above-mentioned curved telescopic connecting rod and irregular telescopic connecting rod and other structures can realize the combined dredging of the combined dredging plate to clear the screening holes. However, when feeding through the feed port, if the amount of material added is too much, the raw materials are likely to accumulate on the screening holes, thereby reducing the screening efficiency. At the same time, the combined dredging plate is easily pressed down to squeeze out the raw materials. Utility Model Content

[0005] The purpose of the utility model is to provide a raw material screening device for silica sol production to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A raw material screening device for silica sol production, including screening box, the top of screening box is provided with box cover, the top fixedly connected with quantitative feeding assembly of box cover, quantitative feeding assembly includes rotating electrical machine, the output fixedly connected with connecting shaft of rotating electrical machine, the surface fixedly connected with adjusting plate of connecting shaft, the top of box cover is provided with feed inlet, the inner wall of box cover is provided with first sliding slot, the inside sliding connection with first sliding block of first sliding slot, the bottom fixedly connected with sealing plate of first sliding block, the inner wall fixedly connected with mounting frame of box cover, the inner wall fixedly connected with return spring of mounting frame, the end away from mounting frame fixedly connected with second sliding block of return spring, the bottom fixedly connected with connecting rod of second sliding block.

[0007] As a further preferred of the technical solution, the number of adjusting plates is two, the number of sealing plates and adjusting plates corresponds, the sealing plate is located at the bottom of the feed inlet, the size of the sealing plate is slightly larger than the size of the feed inlet, the mounting frame adopts a shape structure, and the connecting rod and the sealing plate are fixedly connected.

[0008] As a further preferred of the technical solution, the surface of the connecting shaft is fixedly connected with a connecting plate, one end of the connecting plate away from the connecting shaft is fixedly connected with a scraper, the surface of the connecting shaft is fixedly connected with a mounting bracket, the inside of the mounting bracket is rotatably connected with a compression roller, the bottom of the connecting shaft is fixedly connected with a rotating plate, and the bottom of the rotating plate is fixedly connected with a trapezoidal block.

[0009] As a further preferred of the technical solution, the number of the scrapers is two, the inner wall of the screening box is in contact with the two scrapers, and the number of the trapezoidal blocks is two.

[0010] As a further preferred of the technical solution, the top of the box cover is fixedly connected with a storage tank, one side of the storage tank away from the rotating electrical machine is fixedly connected with a feeding pipe, the inner wall of the screening box is provided with a mounting groove, the inside of the mounting groove is slidably connected with a mounting plate, the bottom of the mounting plate is fixedly connected with a screening net, the bottom of the screening box is fixedly connected with a supporting leg, and the bottom of the screening box is fixedly connected with a discharge port.

[0011] As a further preferred of the technical solution, the inner wall of the screening box is provided with a second sliding slot, the inner wall of the second sliding slot is fixedly connected with a connecting spring, the top of the connecting spring is fixedly connected with a lifting plate, the top of the lifting plate is fixedly connected with an adjusting block, and the top of the lifting plate is fixedly connected with a knocking rod.

[0012] As a further preferred embodiment of the present technical solution, there are two second chutes, the two second chutes are adapted to the lifting plate, the top of the adjusting block is in contact with the trapezoidal block, and the top of the knocking rod is in contact with the screening net.

[0013] The utility model provides a raw material screening device for silica sol production, which has the following beneficial effects:

[0014] (1) The utility model adds raw materials into the storage box through the feeding pipe, starts the rotating motor, and drives the connecting shaft to drive the two adjusting plates to rotate. After rotating to a certain angle, the arc surface on the adjusting plate and the sealing plate contacts and slides relative to each other. The sealing plate is squeezed, causing the first slider to slide in the first slide groove and drive the second slider to move through the connecting rod. The reset spring is squeezed and contracted. After the sealing plate moves a certain distance, the raw materials can enter the screening box from the gap between the feed port and the sealing plate. When the sealing plate and the adjusting block are separated, the sealing plate returns to its original position under the elastic force of the reset spring, and the feed port is sealed again, thereby realizing quantitative transportation of raw materials and avoiding the influence of excessive feed on screening efficiency.

[0015] (2) The utility model drives the connecting plate to rotate through the connecting shaft, and the scraper moves accordingly, thereby scraping off the raw materials attached to the inner wall of the screening box, avoiding waste and facilitating cleaning. At the same time, the connecting shaft drives the mounting frame to rotate, and the pressure roller moves accordingly and rotates within the mounting frame, thereby pushing the raw materials on the screening net to be screened, thereby accelerating the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the screening box of the present utility model;

[0019] Figure 4 For the utility model Figure 3 A schematic diagram of the structure at center A;

[0020] Figure 5 This is a schematic structural diagram of the quantitative feeding component of the present utility model.

[0021] In the figure: 1. Screening box; 2. Box cover; 3. Quantitative feeding assembly; 301. Rotating motor; 302. Connecting shaft; 303. Adjusting plate; 304. Feeding port; 305. First chute; 306. First slider; 307. Sealing plate; 308. Mounting frame; 309. Return spring; 310. Second slider; 311. Connecting rod; 4. Connecting plate; 5. Scraper; 6. Mounting frame; 7. Pressing roller; 8. Rotating plate; 9. Trapezoidal block; 10. Storage box; 11. Feeding pipe; 12. Mounting groove; 13. Mounting plate; 14. Screening net; 15. Support leg; 16. Discharging port; 17. Second chute; 18. Connecting spring; 19. Lifting plate; 20. Adjusting block; 21. Knocking rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 and Figure 5 As shown, in this embodiment, a raw material screening device for silica sol production includes a screening box 1, a box cover 2 is provided at the top of the screening box 1, and a quantitative feeding assembly 3 is fixedly connected to the top of the box cover 2; the quantitative feeding assembly 3 includes a rotating motor 301, the output end of the rotating motor 301 is fixedly connected to a connecting shaft 302, the surface of the connecting shaft 302 is fixedly connected to an adjusting plate 303, a feeding port 304 is provided on the top of the box cover 2, a first sliding groove 305 is provided on the inner wall of the box cover 2, a first slider 306 is slidably connected inside the first sliding groove 305, a sealing plate 307 is fixedly connected to the bottom end of the first slider 306, a mounting frame 308 is fixedly connected to the inner wall of the box cover 2, a return spring 309 is fixedly connected to the inner wall of the mounting frame 308, and the end of the return spring 309 away from the mounting frame 308 is fixedly connected to a second slider 310, and the bottom end of the second slider 310 is fixedly connected to a connecting rod 311.

[0024] The raw material is added to the storage box 10 through the feeding pipe 11, and the rotating motor 301 is started to make the connecting shaft 302 drive the two adjusting plates 303 to rotate. After rotating a certain angle, the adjusting plate 303 and the arc surface on the sealing plate 307 contact and slide relative to each other. The sealing plate 307 is squeezed, causing the first slider 306 to slide in the first slide groove 305 and drive the second slider 310 to move through the connecting rod 311. The return spring 309 is squeezed and contracted. After the sealing plate 307 moves a certain distance, the raw material can enter the screening box 1 from the gap between the feed port 304 and the sealing plate 307. When the sealing plate 307 and the adjusting block 20 are separated, the sealing plate 307 returns to its original position under the elastic force of the return spring 309, and the feed port 304 is sealed again, thereby realizing the quantitative transportation of raw materials and avoiding the influence of excessive feed on the screening efficiency.

[0025] There are two adjusting plates 303, and the number of sealing plates 307 corresponds to that of adjusting plates 303. The sealing plate 307 is located at the bottom end of the feed port 304. The size of the sealing plate 307 is slightly larger than the size of the feed port 304. The mounting frame 308 adopts a 匚-shaped structure, and the connecting rod 311 is fixedly connected to the sealing plate 307.

[0026] The surface of the connecting shaft 302 is fixedly connected to a connecting plate 4, the end of the connecting plate 4 away from the connecting shaft 302 is fixedly connected to a scraper 5, the surface of the connecting shaft 302 is fixedly connected to a mounting bracket 6, the interior of the mounting bracket 6 is rotatably connected to a pressure roller 7, the bottom end of the connecting shaft 302 is fixedly connected to a rotating plate 8, and the bottom end of the rotating plate 8 is fixedly connected to a trapezoidal block 9.

[0027] The connecting plate 4 is driven to rotate by the connecting shaft 302, and the scraper 5 moves accordingly, thereby scraping off the raw materials attached to the inner wall of the screening box 1, avoiding waste and facilitating cleaning. At the same time, the connecting shaft 302 drives the mounting frame 6 to rotate, and the pressure roller 7 moves accordingly and rotates within the mounting frame 6, thereby pushing the raw materials on the screening mesh 14 for screening, thereby accelerating the screening efficiency.

[0028] There are two scrapers 5 , which are in contact with the inner wall of the screening box 1 . There are two trapezoidal blocks 9 , which have a right-angled trapezoidal structure.

[0029] A storage box 10 is fixedly connected to the top of the box cover 2, and a feeding pipe 11 is fixedly connected to the side of the storage box 10 away from the rotating motor 301. A mounting groove 12 is provided on the inner wall of the screening box 1, and a mounting plate 13 is slidingly connected to the inside of the mounting groove 12. A screening mesh 14 is fixedly connected to the bottom end of the mounting plate 13, a support leg 15 is fixedly connected to the bottom end of the screening box 1, and a discharge port 16 is fixedly connected to the bottom end of the screening box 1.

[0030] By installing the mounting plate 13 in the mounting groove 12 of the screening box 1, since the mounting plate 13 adopts an L-shaped structure, the screening net 14 can be fixed in the screening box 1 after the box cover 2 is closed. When the raw material screening is completed, the box cover 2 is opened and the mounting plate 13 is pulled upward to take out the screening net 14, thereby improving the convenience of installing and disassembling the screening net 14.

[0031] A second chute 17 is provided on the inner wall of the screening box 1, and a connecting spring 18 is fixedly connected to the inner wall of the second chute 17, and a lifting plate 19 is fixedly connected to the top of the connecting spring 18, and an adjusting block 20 is fixedly connected to the top of the lifting plate 19, and a knocking rod 21 is fixedly connected to the top of the lifting plate 19.

[0032] The rotating plate 8 is driven to rotate by the connecting shaft 302, and after rotating by a certain angle, the trapezoidal block 9 and the adjusting block 20 are in contact, and since both are provided with inclined surfaces, the trapezoidal block 9 is extruded downward to the adjusting block 20 and the lifting plate 19 while rotating with the rotating plate 8, the connecting spring 18 is extruded and contracted, and after the adjusting block 20 and the trapezoidal block 9 are separated, the knocking rod 21 is moved upward under the elastic force of the connecting spring 18, and the screening net 14 is knocked to vibrate, so that the raw materials are prevented from blocking the screening net 14 and affecting the subsequent screening work.

[0033] The number of the second sliding grooves 17 is two, the two second sliding grooves 17 are matched with the lifting plate 19, the top of the adjusting block 20 is in contact with the trapezoidal block 9, and the top of the knocking rod 21 is in contact with the screening net 14.

[0034] The utility model provides a raw material screening device for silica sol production, and the specific working principle is as follows:

[0035] When in use, the raw materials are added into the storage box 10 through the feeding pipe 11, the rotating motor 301 is started, the connecting shaft 302 drives the two adjusting plates 303 to rotate, after rotating by a certain angle, the adjusting plate 303 and the arc surface on the sealing plate 307 are in contact and relatively slide, the sealing plate 307 is extruded, the first sliding block 306 slides in the first sliding groove 305, and the second sliding block 310 is driven to move through the connecting rod 311, the reset spring 309 is extruded and contracted, after the sealing plate 307 moves by a certain distance, the raw materials can enter the screening box 1 through the gap between the feeding port 304 and the sealing plate 307, when the sealing plate 307 and the adjusting block 20 are separated, the sealing plate 307 returns to the original position under the elastic force of the reset spring 309, and the feeding port 304 is sealed again, so that the quantitative conveying of the raw materials is realized, meanwhile, the connecting shaft 302 drives the connecting plate 4 to rotate, the scraper 5 moves, so that the raw materials attached to the inner wall of the screening box 1 are scraped off, the mounting frame 6 rotates and drives the compression roller 7 to move, so that the raw materials on the screening net 14 are pushed to be screened, the efficiency of screening is accelerated, the rotating plate 8 rotates with the connecting shaft 302, after rotating by a certain angle, the trapezoidal block 9 and the adjusting block 20 are in contact, and since both are provided with inclined surfaces, the trapezoidal block 9 is extruded downward to the adjusting block 20 and the lifting plate 19 while rotating with the rotating plate 8, the connecting spring 18 is extruded and contracted, and after the adjusting block 20 and the trapezoidal block 9 are separated, the knocking rod 21 is moved upward under the elastic force of the connecting spring 18, and the screening net 14 is knocked to vibrate, so that the raw materials are prevented from blocking the screening net 14, and after the screening is completed, the raw materials can be removed by opening the electromagnetic valve in the discharge port 16.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material screening device for silica sol production, comprising a screening box (1), characterized in that: A lid (2) is provided at the top of the screening box (1), and a quantitative feeding component (3) is fixedly connected to the top of the lid (2); the quantitative feeding component (3) includes a rotating motor (301), the output end of the rotating motor (301) is fixedly connected to a connecting shaft (302), an adjusting plate (303) is fixedly connected to the surface of the connecting shaft (302), a feeding port (304) is formed in the top of the lid (2), a first sliding groove (305) is formed in the inner wall of the lid (2), a first sliding block (306) is slidably connected to the inside of the first sliding groove (305), a sealing plate (307) is fixedly connected to the bottom end of the first sliding block (306), a mounting frame (308) is fixedly connected to the inner wall of the lid (2), a return spring (309) is fixedly connected to the inner wall of the mounting frame (308), a second sliding block (310) is fixedly connected to the end of the return spring (309) away from the mounting frame (308), and a connecting rod (311) is fixedly connected to the bottom end of the second sliding block (310).

2. A raw material screening device for silica sol production according to claim 1, characterized in that: The number of the adjusting plates (303) is two, the number of the sealing plates (307) corresponds to that of the adjusting plates (303), the sealing plate (307) is located at the bottom end of the feeding port (304), the size of the sealing plate (307) is slightly larger than that of the feeding port (304), the mounting frame (308) adopts a U-shaped structure, and the connecting rod (311) is fixedly connected to the sealing plate (307).

3. The raw material screening device for silica sol production according to claim 1, characterized in that: A connecting plate (4) is fixedly connected to the surface of the connecting shaft (302), a scraping plate (5) is fixedly connected to the end of the connecting plate (4) away from the connecting shaft (302), a mounting bracket (6) is fixedly connected to the surface of the connecting shaft (302), a pressure roller (7) is rotatably connected to the inside of the mounting bracket (6), a rotating plate (8) is fixedly connected to the bottom end of the connecting shaft (302), and a trapezoidal block (9) is fixedly connected to the bottom end of the rotating plate (8).

4. The raw material screening device for silica sol production according to claim 3, characterized in that: The number of the scraping plates (5) is two, the two scraping plates (5) are in contact with the inner wall of the screening box (1), the number of the trapezoidal blocks (9) is two, and the two trapezoidal blocks (9) adopt a right trapezoidal structure.

5. The raw material screening device for silica sol production according to claim 1, characterized in that: A storage box (10) is fixedly connected to the top of the lid (2), a feeding pipe (11) is fixedly connected to the side of the storage box (10) away from the rotating motor (301), a mounting groove (12) is formed in the inner wall of the screening box (1), a mounting plate (13) is slidably connected to the inside of the mounting groove (12), a screening mesh (14) is fixedly connected to the bottom end of the mounting plate (13), a support leg (15) is fixedly connected to the bottom end of the screening box (1), and a discharge port (16) is fixedly connected to the bottom end of the screening box (1).

6. The raw material screening device for silica sol production according to claim 1, characterized in that: The inner wall of the screening box (1) is provided with a second chute (17), the inner wall of the second chute (17) is fixedly connected with a connecting spring (18), the top end of the connecting spring (18) is fixedly connected with a lifting plate (19), the top end of the lifting plate (19) is fixedly connected with an adjusting block (20), and the top end of the lifting plate (19) is fixedly connected with a knocking rod (21).

7. A raw material screening device for silica sol production according to claim 6, characterized in that: The number of the second chutes (17) is two, the two second chutes (17) are adapted to the lifting plate (19), the top of the adjustment block (20) is in contact with the trapezoidal block (9), and the top of the knocking rod (21) is in contact with the screening net (14).

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