Epoxy molding material screening device

By designing an automatic grading and screening epoxy molding compound filter device, which utilizes multiple filter cylinders and motor drive to achieve automatic grading and screening, the problem of difficult manual cleaning and grading and screening in the existing technology is solved, and production efficiency and controllability of material particle size are improved.

CN224332662UActive Publication Date: 2026-06-09JIANGSU JINGKE ELECTRONIC MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JINGKE ELECTRONIC MATERIALS CO LTD
Filing Date
2025-06-17
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing epoxy molding compound screening devices require regular manual cleaning and cannot perform grading and screening, resulting in the inability to obtain materials of suitable particle size during the production process.

Method used

An epoxy molding compound screening device was designed, which uses multiple steel screening cylinders with filter holes of increasing size. The screen cylinders are driven by a motor and driven by auger blades and belt gears to achieve automatic grading and screening. The raw materials with larger particle sizes are conveyed through the guide plate, while the materials with unqualified particle sizes are discharged through the discharge port.

Benefits of technology

It enables automatic grading and screening of epoxy molding compounds without manual cleaning, meeting the needs of subsequent processing and improving production efficiency and the controllability of material particle size.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an epoxy molding compound sieving and filtering device belongs to screening technical field, a kind of epoxy molding compound sieving and filtering device, including sieve box, fixed in the cloth storehouse of sieve box top end edge portion, the hopper being connected in the cloth storehouse top end middle part, the drive motor being installed in the cloth storehouse end part, rotationally connected in the cloth storehouse inboard and the power output end transmission connection of the shaft rod of drive motor end part and the two-way auger blade welding on the shaft rod, the inboard rotationally connected of sieve box has sieve filtering steel cylinder, and multiple are horizontally equidistantly arranged in the sieve filtering steel cylinder, the outer wall of multiple sieve filtering steel cylinder is all arrayed and is provided with filter hole, it does not need artificial cleaning, and can be classified according to the particle size of raw material Screening, it is favorable to meet the processing needs of later period.
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Description

Technical Field

[0001] This utility model relates to the field of screening device technology, and more specifically, to an epoxy molding compound screening device. Background Technology

[0002] Epoxy molding compound, also known as epoxy resin molding compound or epoxy molding compound, is a powdered molding compound made by using epoxy resin as the base resin, high-performance phenolic resin as the curing agent, adding silica powder and other fillers, and adding various additives.

[0003] Patent authorization number CN218610290U discloses an epoxy molding compound sieve filter device for semiconductor component assembly, including a base plate, a sieve cylinder rotatably connected to the closed end of the outer shell and arranged coaxially with the outer shell, a connecting pipe with two open ends fixed at the center of the closed end of the sieve cylinder, a fixing plate fixed on the top side of the base plate, and a turning plate located inside the sieve cylinder fixed on the side of the rotating shaft. The sieve cylinder and the turning plate are driven to rotate in opposite directions through the connecting pipe, so that the epoxy molding compound powder inside the sieve cylinder is more fully and efficiently turned over. The sieve holes on the side of the sieve cylinder are continuously cleaned by the cleaning brush on the cleaning plate, thereby avoiding the problem of clogging of the sieve holes on the sieve cylinder. The anti-clogging structure is simple.

[0004] However, the material trapped in the patent authorization number CN218610290U will remain inside the screen cylinder, requiring regular manual cleaning, which is cumbersome and makes it impossible to classify and screen the material, resulting in the inability to obtain materials of suitable particle size during the production process. Therefore, we propose an epoxy molding compound screening device to solve the above-mentioned problems. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] In view of the problems existing in the prior art, the purpose of this utility model is to provide an epoxy molding compound screening device that does not require manual cleaning and can classify and screen raw materials according to their particle size, which is beneficial to meet the needs of subsequent processing.

[0007] Technical solution

[0008] To solve the above problems, the present invention adopts the following technical solution.

[0009] An epoxy molding compound filtration device includes a screen box, a material bin fixed at the top edge of the screen box, a hopper connected to the middle of the top of the material bin, a drive motor installed at the end of the material bin, a shaft rotatably connected to the inside of the material bin and whose end is connected to the power output end of the drive motor, and bidirectional auger blades welded to the shaft. A filter steel cylinder is rotatably connected to the inside of the screen box, and multiple filter steel cylinders are arranged laterally at equal intervals. The outer walls of the multiple filter steel cylinders are all arrayed with filter holes.

[0010] Each of the two adjacent filter cylinders is equipped with a guide plate whose end is fixedly connected to the inner wall of the screen box;

[0011] The end of the screen box is provided with a discharge port corresponding to the part of the filter steel cylinder;

[0012] The side wall of the screen box is provided with an assembly window corresponding to the filter steel cylinder, and a feeding chute extending to the inside of the filter steel cylinder is fixedly connected in the assembly window. The inner side of the feeding chute is integrally formed with a guide slope.

[0013] A belt gear connected to the filter cylinder is installed on the outside of the screen box. An internal toothed belt is installed between two adjacent belt gears. A driven bevel gear is installed on the belt gear near the material hopper. A reduction motor is installed below the driven bevel gear and mounted on the outer wall of the screen box via a fixed seat. A driving bevel gear that meshes with the driven bevel gear is installed at the power output end of the reduction motor.

[0014] Furthermore, the diameter of the filter holes on the multiple filter cylinders from left to right increases sequentially from small to large.

[0015] Furthermore, a first guide plate extending to the filter cylinder is provided at an angle below the bottom opening of the fabric bin.

[0016] Furthermore, a second guide plate is fixedly connected to the end of the screen box located between the discharge port and the screen steel cylinder.

[0017] Furthermore, one end of the filter cylinder is a closed structure, and the other end of the filter cylinder is a through structure.

[0018] The filter cylinder is enclosed and has a shaft head installed in the middle of one end, and the shaft head is connected to the screen box through a bearing.

[0019] Furthermore, the feeding trough is arranged in an arc shape, and the outer diameter of the feeding trough is adapted to the inner diameter of the filter steel cylinder.

[0020] Furthermore, a rubber wheel is rotatably connected to the inner wall of the screen box, and the rubber wheel abuts against the outer wall of the open end of the screen steel cylinder.

[0021] Furthermore, a connecting shaft is integrally formed in the middle of the belt gear, and the connecting shaft is connected to the shaft head through a coupling.

[0022] Beneficial effects

[0023] Compared with existing technologies, the advantages of this utility model are:

[0024] (1) In this scheme, by turning on the geared motor, the active bevel gear and the driven bevel gear mesh with each other, and the internal gear belt drives the adjacent belt gears, thereby driving multiple screen steel cylinders to rotate simultaneously. The filter holes on the screen steel cylinders increase in size from left to right. Therefore, the raw material corresponding to the filter hole will enter the inner side of the screen steel cylinder and be discharged with the guide inclined surface in the feed trough. The raw material with a larger particle size will continue to be conveyed to the right side through the guide plate, while the unqualified material will be discharged through the discharge port. In this process, no manual cleaning is required, and the raw material can be graded and screened according to the particle size, which is beneficial to meet the needs of subsequent processing.

[0025] (2) In this scheme, a first guide plate and a second guide plate are set up for material conduction and final material discharge, respectively. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0027] Figure 2 This is a schematic diagram of the internal structure of the sieve box of this utility model;

[0028] Figure 3 This is a schematic diagram of the rubber wheel structure of this utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the filter cylinder of this utility model;

[0030] Figure 5 This is a structural schematic diagram of the filter cylinder of this utility model from another perspective;

[0031] Figure 6 This is a front view schematic diagram of the feeding trough of this utility model;

[0032] Figure 7 This is a cross-sectional view of the AA portion of the feeding trough of this utility model;

[0033] Figure 8 This is a side view of the fabric storage compartment of this utility model;

[0034] Figure 9This is a cross-sectional view of the fabric storage compartment BB of this utility model.

[0035] Explanation of the labels in the diagram:

[0036] 1. Screen box; 2. Feeding bin; 3. Hopper; 4. Drive motor; 5. Shaft; 6. Bidirectional auger blades; 7. Screening steel cylinder; 8. Filter holes; 9. Guide plate; 10. First guide plate; 11. Second guide plate; 12. Discharge port; 13. Shaft head; 14. Feed chute; 15. Guide slope; 16. Rubber wheel; 17. Belt gear; 18. Internal gear belt; 19. Driven bevel gear; 20. Gear reducer motor; 21. Driven bevel gear. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0038] Example

[0039] Please see Figure 1-9 An epoxy molding compound screening device includes a screen box 1, a material bin 2 fixed at the top edge of the screen box 1, a hopper 3 connected to the middle of the top of the material bin 2, a drive motor 4 installed at the end of the material bin 2, a shaft 5 rotatably connected to the inside of the material bin 2 and whose end is connected to the power output end of the drive motor 4, and a bidirectional auger blade 6 welded to the shaft 5. A screening steel cylinder 7 is rotatably connected to the inside of the screen box 1, and multiple screening steel cylinders 7 are arranged laterally at equal intervals. The outer walls of the multiple screening steel cylinders 7 are all arrayed with filter holes 8.

[0040] Each of the two adjacent filter cylinders 7 is equipped with a guide plate 9 whose end is fixedly connected to the inner wall of the screen box 1;

[0041] A discharge port 12 is provided at the end of the screen box 1 corresponding to the part of the screen steel cylinder 7;

[0042] The side wall of the screen box 1 is provided with an assembly window corresponding to the screen steel cylinder 7, and a feeding trough 14 extending to the inside of the screen steel cylinder 7 is fixedly connected in the assembly window. The inner side of the feeding trough 14 is integrally formed with a guide slope 15.

[0043] A belt gear 17 connected to the filter cylinder 7 is installed on the outside of the screen box 1. An internal tooth belt 18 is installed between two adjacent belt gears 17. A driven bevel gear 19 is installed on the belt gear 17 near the material hopper 2. A geared motor 20 is installed on the outer wall of the screen box 1 via a fixed seat below the driven bevel gear 19. A driving bevel gear 21 that meshes with the driven bevel gear 19 is installed at the power output end of the geared motor 20.

[0044] It should be noted that when using this epoxy molding compound screening device, the epoxy molding compound raw material is fed into the material storage bin 2 through the hopper 3. Simultaneously, the drive motor 4 is turned on, and the shaft 5 drives the bidirectional auger blades 6 to rotate, so that the epoxy molding compound raw material in the material storage bin 2 falls evenly through the bottom opening onto the first screening steel cylinder 7 located inside the screen box 1. At the same time, the reduction motor 20 is turned on, and the active bevel gear 21 meshes with the driven bevel gear 19, and the internal tooth belt 18 drives the adjacent belt gears 17, thereby driving multiple screening steel cylinders 7 to rotate simultaneously. The filter holes 8 on the screening steel cylinder 7 increase in size from left to right. Therefore, the raw material corresponding to the filter hole 8 will enter the inner side of the screening steel cylinder 7 and be discharged with the guide inclined surface 15 in the feed trough 14. The raw material with a larger particle size will continue to be conveyed to the right through the guide plate 9, while the unqualified material will be discharged through the discharge port 12. In this process, no manual cleaning is required, and the raw material can be graded and screened according to the particle size, which is beneficial to meet the needs of subsequent processing.

[0045] like Figure 2 As shown, the diameter of the filter holes 8 on the multiple filter cylinders 7 from left to right increases sequentially from small to large;

[0046] It should be noted that the raw materials can be graded and screened according to their particle size.

[0047] like Figure 2 As shown, a first guide plate 10 extending to the filter cylinder 7 is provided at an angle below the bottom opening of the material bin 2, and a second guide plate 11 is fixedly connected to the end of the screen box 1 at the part between the discharge port 12 and the filter cylinder 7.

[0048] It should be noted that the first guide plate 10 and the second guide plate 11 are used for material conduction and final material discharge, respectively.

[0049] like Figure 3 , Figure 5 As shown, one end of the filter cylinder 7 is a closed structure, and the other end of the filter cylinder 7 is a through structure. A shaft head 13 is installed in the middle of the closed end of the filter cylinder 7, and the shaft head 13 is connected to the screen box 1 through a bearing.

[0050] A rubber wheel 16 is rotatably connected to the inner side wall of the screen box 1, and the rubber wheel 16 abuts against the outer wall of the open end of the screen steel cylinder 7.

[0051] It should be noted that during the rotation of the shaft head 13 in conjunction with the rotation of the filter cylinder 7, the other end of the filter cylinder 7 is supported by the rubber wheel 16, which can effectively ensure the balance of the filter cylinder 7 during the rotation process.

[0052] like Figure 2 As shown, the feeding trough 14 is arranged in an arc shape, and the outer diameter of the feeding trough 14 is adapted to the inner diameter of the screen steel cylinder 7.

[0053] It should be noted that this facilitates the collection of material falling into the inner side of the filter cylinder 7, preventing material leakage.

[0054] like Figure 1 , Figure 5 As shown, a connecting shaft is integrally formed in the middle of the belt gear 17, and the connecting shaft is connected to the shaft head 13 through a coupling.

[0055] It should be noted that this facilitates the transmission of power from the belt gear 17 to the screen steel cylinder 7 via the shaft head 13.

[0056] In use: Epoxy molding compound raw material is fed into the material storage bin 2 through the hopper 3. Simultaneously, the drive motor 4 is turned on, and the shaft 5 drives the bidirectional auger blades 6 to rotate, so that the epoxy molding compound raw material in the material storage bin 2 falls evenly through the bottom opening onto the first filter steel cylinder 7 located inside the screen box 1. At the same time, the reduction motor 20 is turned on, and the active bevel gear 21 and the driven bevel gear 19 mesh with each other, and the internal tooth belt 18 drives the adjacent belt gears 17 to rotate, thereby driving multiple filter steel cylinders 7 to rotate simultaneously. The filter holes 8 on the filter steel cylinder 7 increase in size from left to right. Therefore, the raw material corresponding to the filter hole 8 will enter the inner side of the filter steel cylinder 7 and be discharged with the guide slope 15 in the feed trough 14. The raw material with a larger particle size will continue to be conveyed to the right through the guide plate 9, and the unqualified material will be discharged through the discharge port 12.

[0057] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. An epoxy molding compound sieve filter device, comprising a sieve box (1), a material bin (2) fixed at the top edge of the sieve box (1), a hopper (3) connected to the middle of the top of the material bin (2), a drive motor (4) installed at the end of the material bin (2), a shaft (5) rotatably connected to the inside of the material bin (2) and whose end is connected to the power output end of the drive motor (4), and a bidirectional auger blade (6) welded to the shaft (5), characterized in that: The inner side of the sieve box (1) is rotatably connected to a filter steel cylinder (7), and multiple filter steel cylinders (7) are arranged horizontally at equal intervals. The outer walls of the multiple filter steel cylinders (7) are arrayed with filter holes (8). Each of the two adjacent filter cylinders (7) is equipped with a guide plate (9) whose end is fixedly connected to the inner wall of the screen box (1). The end of the screen box (1) is provided with a discharge port (12) corresponding to the part of the filter steel cylinder (7). The side wall of the screen box (1) is provided with an assembly window corresponding to the screen steel cylinder (7), and a feeding trough (14) extending to the inside of the screen steel cylinder (7) is fixedly connected in the assembly window. The inner side of the feeding trough (14) is integrally formed with a guide slope (15). A belt gear (17) connected to the filter cylinder (7) is installed on the outside of the screen box (1). An internal tooth belt (18) is installed between two adjacent belt gears (17). A driven bevel gear (19) is installed on the belt gear (17) near the fabric bin (2). A geared motor (20) is installed below the driven bevel gear (19) and mounted on the outer wall of the screen box (1) by a fixed seat. A driving bevel gear (21) that meshes with the driven bevel gear (19) is installed at the power output end of the geared motor (20).

2. The epoxy molding compound screening device according to claim 1, characterized in that: The diameter of the filter holes (8) on the multiple filter cylinders (7) from left to right increases sequentially from small to large.

3. The epoxy molding compound screening device according to claim 1, characterized in that: The bottom opening of the fabric bin (2) is provided with a first guide plate (10) extending at an angle to the filter cylinder (7).

4. The epoxy molding compound screening device according to claim 1, characterized in that: A second guide plate (11) is fixedly connected to the end of the screen box (1) between the discharge port (12) and the screen steel cylinder (7).

5. The epoxy molding compound screening device according to claim 1, characterized in that: One end of the filter cylinder (7) is a closed structure, and the other end of the filter cylinder (7) is a through structure. The filter cylinder (7) is closed and has a shaft head (13) installed in the middle of one end, and the shaft head (13) is connected to the screen box (1) through a bearing.

6. The epoxy molding compound screening device according to claim 1, characterized in that: The feeding trough (14) is arranged in an arc shape, and the outer diameter of the feeding trough (14) is adapted to the inner diameter of the filter steel cylinder (7).

7. The epoxy molding compound screening device according to claim 1, characterized in that: The inner wall of the sieve box (1) is rotatably connected to a rubber wheel (16), and the rubber wheel (16) abuts against the outer wall of the open end of the sieve steel cylinder (7).

8. The epoxy molding compound screening device according to claim 5, characterized in that: The belt gear (17) has a connecting shaft integrally formed in the middle, and the connecting shaft is connected to the shaft head (13) through a coupling.