Screening and filtering device for coating raw materials

Abstract

The utility model discloses a coating raw material screening and filtering device, which relates to the technical field of coating raw material processing, and comprises a rack, one side of the rack is fixedly connected with a collecting hopper, the bottom of a charging basket is in lap joint with a blanking hopper, a crushing roller is rotatably connected with the charging basket, and when a first servo motor is utilized to drive a second horizontal gear to rotate, the crushing roller is driven by a second servo motor to rotate. Two first horizontal gears and a smashing roller rotate synchronously to smash raw materials and impurities large in size, the smashed raw materials can be screened and filtered through a filtering plate and a screening plate, a first bevel gear drives a second bevel gear to rotate, the filtering plate rotates in a discharging hopper, and the impurities left after screening can be rapidly discharged from the interior of the discharging hopper. The two dust collectors work synchronously, so that the dust adsorption efficiency can be improved, dust escaping into air is reduced, and subsequent recycling and reusing are facilitated through layering after adsorption.

Description

Technical Field

[0001] This utility model relates to the field of coating raw material processing technology, and in particular to a screening device for coating raw materials. Background Technology

[0002] Paint, traditionally known as varnish in China, is a coating applied to the surface of an object to protect or decorate, forming a continuous, firmly adhering film. During paint production, some impurities may be present in the raw materials. Therefore, the raw materials need to be filtered during processing to remove these impurities.

[0003] For example, Chinese patent CN210995300U discloses a raw material screening device for powder coating production, including a frame and support legs. A power mechanism is installed on the top of the frame, a primary filter screen is installed at the bottom of the working box, a centrifugal screening body is installed at the bottom of the frame, a rotating rod is installed in the middle of the centrifugal screening body, an electric motor is connected to the bottom of the rotating rod, a through hole is opened in the middle of the rotating rod, and a connecting rod passes through the through hole. A secondary screening screen is installed at the bottom of the centrifugal screening body, and a storage bin is installed below the secondary screening screen.

[0004] In the aforementioned patent, although the problem of low coating screening efficiency is solved by using a primary and secondary screen, when the raw materials are screened through the primary screen, larger impurities remain inside the primary screen and are not easy to remove. The remaining solid impurities cannot be flushed out by a water spray nozzle, and the residual impurities affect the use of the subsequent primary screen. Utility Model Content

[0005] The purpose of this invention is to solve the problem in the prior art that when raw materials are screened through a primary screen, large impurities remain inside the screen and are difficult to remove. Even with a water spray nozzle, the remaining solid impurities cannot be flushed out, and the residual impurities affect the use of subsequent primary screens. Therefore, this invention proposes a screening device for coating raw materials.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a screening device for coating raw materials, comprising a frame, a collection hopper fixedly connected to one side of the frame, a support frame rotatably connected to the top of the frame, an auxiliary mechanism provided on the top of the support frame, the auxiliary mechanism comprising a material basket, a filter plate, and a bevel gear II, a baffle engaged on one side of the material basket, a spur gear II and two spur gears I rotatably connected to one side of the material basket, the two spur gears I meshing with each other, an output shaft of a servo motor I fixedly connected to one side of the spur gear II, a side of the servo motor I fixedly connected to the material basket, and the spur gear II meshing with one of the spur gears I, a crushing roller fixedly connected to one side of the spur gear I, the crushing roller rotatably connected to the material basket, a connecting piece overlapping one side of the material basket, a discharge hopper fixedly connected to one side of the connecting piece, the connecting piece and the material basket connected by bolts, a side of the connecting piece rotatably connected to the filter plate, and a side of the filter plate overlapping the inner wall of the discharge hopper.

[0007] Preferably, a second servo motor is fixedly connected to one side of the hopper, and a first bevel gear is fixedly connected to one end of the output shaft of the second servo motor, with a second bevel gear meshing on one side of the first bevel gear.

[0008] Preferably, one side of the second bevel gear is rotatably connected to the connecting member, a crossbar is inserted through the inside of the second bevel gear, the crossbar is inserted through the filter plate, and the crossbar is rotatably connected to the connecting member and the hopper.

[0009] Preferably, a sealing plate is fixedly connected to the bottom of the hopper, a vacuum cleaner is fixedly connected to the top of the sealing plate, a vacuum cleaner pipe is fixedly connected to one side of the vacuum cleaner, and one end of the vacuum cleaner pipe penetrates the side wall of the sealing plate.

[0010] Preferably, a screening basket is bolted to one side of the sealing plate, and the bottom of the screening basket is fixedly connected to the support frame.

[0011] Preferably, a vibration motor is fixedly connected to one side of the support frame, the vibration motor overlaps with the screening basket on one side, and a screening plate is engaged with the inner wall of the screening basket.

[0012] Preferably, an arc-shaped strip is fixedly connected to one side of the support frame, and one side of the arc-shaped strip is slidably connected to the frame. Positioning holes are provided on both the arc-shaped strip and one side of the support frame.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] 1. In this utility model, the bottom of the material basket overlaps with the feeding hopper, and the crushing roller is rotatably connected to the material basket. When the servo motor drives the two flat gears to rotate, the two flat gears and the crushing roller rotate synchronously to crush the raw materials and impurities with larger volume. The crushed raw materials can be filtered through the filter plate and the screening plate. The bevel gear drives the two bevel gears to rotate, so that the filter plate rotates inside the feeding hopper, which facilitates the rapid discharge of the impurities remaining after screening from the inside of the feeding hopper, thereby reducing interference with the subsequent use of the filter plate.

[0015] 2. In this utility model, the bottom of the support frame is fixedly connected to the arc-shaped strip, and one side of the arc-shaped strip overlaps with the machine frame. When the raw material enters the screening basket, the support frame vibrates the screening basket and screening plate, and the dust is lifted and moves to the side closer to the sealing plate. At this time, the dust can be adsorbed by the suction pipe and the vacuum cleaner. By having two vacuum cleaners work simultaneously, the adsorption efficiency of the dust can be improved and the dust escape into the air can be reduced. The stratification after adsorption is convenient for subsequent recycling and reuse. Attached Figure Description

[0016] Figure 1 A three-dimensional structural diagram of a screening device for coating raw materials is provided for this utility model;

[0017] Figure 2 A schematic diagram of the dust suction pipe structure of a sieving device for coating raw materials is provided for this utility model;

[0018] Figure 3 This utility model provides a schematic diagram of the installation of a two-pronged gear structure for a sieving device for coating raw materials;

[0019] Figure 4 This utility model provides a schematic diagram of the filter plate structure installation for a sieving device for coating raw materials;

[0020] Figure 5 This utility model provides a schematic diagram of the meshing structure of bevel gear one and bevel gear two in a screening device for coating raw materials.

[0021] Legend: 1. Material basket; 2. Sealing plate; 3. Screening basket; 4. Collection hopper; 5. Frame; 6. Crushing roller; 7. Vacuum cleaner; 8. Vacuum pipe; 9. Servo motor one; 10. Flat gear one; 11. Baffle; 12. Vibrating motor; 13. Screening plate; 14. Flat gear two; 15. Filter plate; 16. Servo motor two;

[0022] 17. Bevel gear one; 18. Bevel gear two; 19. Connecting piece; 20. Support frame; 21. Feed hopper; 22. Arc strip. Detailed Implementation

[0023] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0025] Example 1: Refer to Figures 1-5 The following describes a screening device for coating raw materials: A frame 5 is included, with a collection hopper 4 fixedly connected to one side of the frame 5. A support frame 20 is rotatably connected to the top of the frame 5, and an auxiliary mechanism is provided on the top of the support frame 20. The auxiliary mechanism includes a material basket 1, a filter plate 15, and a bevel gear 18. A baffle 11 is engaged on one side of the material basket 1. A second bevel gear 14 and two first bevel gears 10 are rotatably connected to one side of the material basket 1, meshing with each other. The output shaft of a servo motor 9 is fixedly connected to one side of the second bevel gear 14, and the servo motor 9 is fixedly connected to the material basket 1, with the second bevel gear 14 meshing with one of the first bevel gears 10. A crushing roller 6 is fixedly connected to one side of the first bevel gear 10, and the crushing roller 6 is connected to the material basket 1. The baskets 1 are rotatably connected. A connector 19 is attached to one side of the basket 1. A hopper 21 is fixedly connected to one side of the connector 19. The connector 19 and the basket 1 are connected by bolts. One side of the connector 19 is rotatably connected to the filter plate 15. One side of the filter plate 15 is attached to the inner wall of the hopper 21. A servo motor 2 16 is fixedly connected to one side of the hopper 21. A bevel gear 17 is fixedly connected to one end of the output shaft of the servo motor 2 16. A bevel gear 2 18 meshes with one side of the bevel gear 17. One side of the bevel gear 2 18 is rotatably connected to the connector 19. A crossbar is inserted through the bevel gear 2 18. The crossbar is inserted through the filter plate 15 and is rotatably connected to the connector 19 and the hopper 21.

[0026] The collecting hopper 4 is used to collect and guide the screened coating into the collecting box. The feeding hopper 21 supports the bottom of the servo motor 9, improving its stability during installation and use. The servo motor 9 drives the second spur gear 14 to rotate, which in turn powers the rotation of one of the spur gears 10, thus achieving synchronous rotation of the two spur gears 10. The synchronous rotation of the crushing roller 6 and the spur gear 10 allows the coating to be crushed, preventing the coating material from being too large and affecting the screening effect. The servo motor 16 powers the rotation of the bevel gear 17, which drives the second bevel gear 18 to rotate, thereby rotating the filter plate 15 inside the feeding hopper 21. This changes the tilt angle of the filter plate 15, allowing impurities remaining on the top of the filter plate 15 to be discharged. The connecting piece 19 supports the rotation of the crossbar and also assists in the installation of the material basket 1 on the top of the feeding hopper 21, facilitating the subsequent removal of the material basket 1 from the top of the feeding hopper 21.

[0027] Example 2: Figures 1-3 As shown, a sealing plate 2 is fixedly connected to the bottom of the hopper 21, and a vacuum cleaner 7 is fixedly connected to the top of the sealing plate 2. A vacuum cleaner pipe 8 is fixedly connected to one side of the vacuum cleaner 7. One end of the vacuum cleaner pipe 8 passes through the side wall of the sealing plate 2. A screening basket 3 is bolted to one side of the sealing plate 2. The bottom of the screening basket 3 is fixedly connected to the support frame 20. A vibration motor 12 is fixedly connected to one side of the support frame 20. One side of the vibration motor 12 overlaps with the screening basket 3, and a screening plate 13 is engaged with the inner wall of the screening basket 3. An arc-shaped strip 22 is fixedly connected to one side of the support frame 20. One side of the arc-shaped strip 22 is slidably connected to the frame 5. Positioning holes are opened on both the arc-shaped strip 22 and the support frame 20.

[0028] The sealing plate 2 can be used to support the bottom of the hopper 21. The bottom of the hopper 21 has a discharge port to facilitate the entry of powder into the screening basket 3. The sealing plate 2 can also be used to support and reinforce the bottom of the vacuum cleaner 7. Through the connection between the vacuum cleaner 7 and the suction pipe 8, the dust inside the screening basket 3 can be quickly adsorbed, thereby preventing the dust from escaping. The support frame 20 can support and reinforce the bottom of the screening basket 3. The sliding connection between the arc strip 22 and the frame 5 can guide the adjustment of the tilt angle of the support frame 20 on the top of the frame 5. The positioning hole can reinforce the connection between the arc strip 22 and the frame 5, thereby fixing the support frame 20.

[0029] The operating method and working principle of this device are as follows: First, the granular coating material to be screened is fed between two crushing rollers 6. Servo motor 9 drives the second spur gear 14 to rotate, which in turn drives one of the spur gears 10 to rotate. The meshing between the two spur gears 10 drives the other spur gear 10 to rotate, achieving synchronous rotation of the two crushing rollers 6. The two crushing rollers 6 crush larger raw materials or impurities. The crushed powder falls onto the filter plate 15, is filtered by the filter plate 15, and then enters the screening basket 3 through the through hole at the bottom of the feed hopper 21. At this time, the vibrating motor 12 drives the screening basket 3 and the screening plate 13 to vibrate, thereby screening the powder. The screened coating enters the collection hopper 4 and then enters the collection box below for collection. During screening, the dust raised is quickly absorbed by the vacuum cleaner 7 and the suction pipe 8, reducing the escape of dust. After the coating is screened, the baffle 11 on one side of the material basket 1 is opened, and the servo motor 2 16 drives the bevel gear 17 to rotate. The bevel gear 17 meshes with the bevel gear 2 18, driving the filter plate 15 to rotate inside the feed hopper 21, and discharging the impurities remaining on the top of the filter plate 15 through the discharge port on one side of the material basket 1.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A screening device for coating raw materials, comprising a frame (5), wherein a collection hopper (4) is fixedly connected to one side of the frame (5), characterized in that: The top of the frame (5) is rotatably connected to a support frame (20). The top of the support frame (20) is provided with an auxiliary mechanism, which includes a material basket (1), a filter plate (15), and a bevel gear (18). A baffle (11) is engaged on one side of the material basket (1). A spur gear (14) and two spur gears (10) are rotatably connected to one side of the material basket (1). The two spur gears (10) are meshed together. The output shaft of a servo motor (9) is fixedly connected to one side of the spur gear (14). One side of the servo motor (9) is connected to the material basket (1). The two spur gears (14) are fixedly connected and mesh with one of the spur gears (10). A crushing roller (6) is fixedly connected to one side of the spur gear (10). The crushing roller (6) is rotatably connected to the material basket (1). A connector (19) overlaps one side of the material basket (1). A feed hopper (21) is fixedly connected to one side of the connector (19). The connector (19) is connected to the material basket (1) by bolts. One side of the connector (19) is rotatably connected to the filter plate (15). One side of the filter plate (15) overlaps with the inner wall of the feed hopper (21).

2. The screening device for coating raw materials according to claim 1, characterized in that: A servo motor (16) is fixedly connected to one side of the hopper (21), and a bevel gear (17) is fixedly connected to one end of the output shaft of the servo motor (16), and a bevel gear (18) meshes with one side of the bevel gear (17).

3. The screening device for coating raw materials according to claim 2, characterized in that: The second bevel gear (18) is rotatably connected to the connector (19) on one side. A crossbar is inserted through the second bevel gear (18) and is inserted through the filter plate (15). The crossbar is rotatably connected to the connector (19) and the hopper (21).

4. The screening device for coating raw materials according to claim 1, characterized in that: The bottom of the hopper (21) is fixedly connected to a sealing plate (2), and the top of the sealing plate (2) is fixedly connected to a vacuum cleaner (7). A vacuum cleaner (7) is fixedly connected to one side of the vacuum cleaner (7) and one end of the vacuum cleaner (8) penetrates the side wall of the sealing plate (2).

5. The screening device for coating raw materials according to claim 4, characterized in that: A screening basket (3) is bolted to one side of the sealing plate (2), and the bottom of the screening basket (3) is fixedly connected to the support frame (20).

6. The screening device for coating raw materials according to claim 5, characterized in that: A vibration motor (12) is fixedly connected to one side of the support frame (20), and one side of the vibration motor (12) overlaps with the screening basket (3), and a screening plate (13) is engaged with the inner wall of the screening basket (3).

7. The screening device for coating raw materials according to claim 1, characterized in that: An arc-shaped strip (22) is fixedly connected to one side of the support frame (20), and one side of the arc-shaped strip (22) is slidably connected to the frame (5). Positioning holes are provided on both the arc-shaped strip (22) and the support frame (20).

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