Raw material screening device for concrete block production
By designing a porous dust-collecting mesh inside the box and a motor-driven shaking anti-clogging plate, the problems of dust generation and clogging in the concrete block production device were solved, and efficient screening of raw materials was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YICHANG TAIGESITONG NEW ENG MATERIAL CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-05-12
AI Technical Summary
Existing concrete block production equipment generates fine dust during raw material processing and is prone to feed blockage, resulting in poor screening performance.
A raw material screening device was designed, comprising a box, a feeding hopper, a limiting pad, a porous dust collection net, a shaking anti-clogging plate, a screening net, and a motor drive. The dust collection net absorbs dust to prevent clogging, and the shaking rod and the evenly dispersing rod are used for thorough screening.
It effectively absorbs fine dust, prevents feed blockage, achieves thorough screening of raw materials, and improves production efficiency.
Smart Images
Figure CN224222015U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete block production technology, and in particular to a raw material screening device for concrete block production. Background Technology
[0002] Definition of Concrete Blocks: Concrete blocks, also known as concrete masonry blocks, are a common building material, typically composed of raw materials such as cement, lime, sand, and crushed stone, which are then extruded and molded by machine. Their shape is rectangular or square. Sand and stone act as a skeleton in concrete and inhibit cement shrinkage; cement and water form cement paste, which coats the surface of coarse and fine aggregates and fills the gaps between them. Before hardening, the cement paste acts as a lubricant, giving the concrete mixture good workability. After hardening, it binds the aggregates together to form a strong whole. During the production of concrete blocks, the raw materials need to be screened, so a raw material screening device for concrete block production is required.
[0003] When using raw material screening devices for concrete block production, existing technologies generate a lot of fine dust and cause easy clogging during the raw material feeding process, and the screening effect of the inner side of the raw materials does not meet expectations. Utility Model Content
[0004] The purpose of this invention is to provide a raw material screening device for concrete block production, which can absorb the fine dust generated and prevent feed blockage, and enable the raw materials to be fully screened.
[0005] To achieve the above objectives, a raw material screening device for concrete block production is provided, comprising a box body, a collection box at the lower end of the box body, and a feeding hopper fixedly connected to the upper end of the box body. Two limiting pads are symmetrically arranged inside the feeding hopper, and a porous dust collection screen is fixedly connected to the lower end of the limiting pads. A shaking anti-clogging plate is correspondingly arranged at the lower end of the porous dust collection screen. Multiple different screening screens are uniformly fixedly connected to the inner wall of the box body. A second rotating shaft is rotatably connected to the inner side of the screening screens. Multiple shaking rods are uniformly arranged outside the second rotating shaft, and a uniformly dispersing rod is fixedly connected to the lower end of the shaking rod.
[0006] According to the raw material screening device for concrete block production, a sliding member is fixedly connected to the upper end of the collection box, and a base is slidably connected to the outside of the sliding member, with the base fixedly connected to the lower end of the box body.
[0007] According to the raw material screening device for concrete block production, a mounting plate is fixedly connected to one side of the limiting pad, a plurality of buffer springs are fixedly connected to the upper end of the mounting plate, a fixing block is fixedly connected to the outside of the buffer springs, and a buffer mounting groove is provided between the fixing block and the limiting pad.
[0008] According to the raw material screening device for concrete block production, the limiting pad is fixedly connected with an anti-slip pad.
[0009] According to the raw material screening device for concrete block production, multiple protruding dust suction nets are symmetrically fixedly connected to both sides of the shaking anti-blocking plate, a first rotating shaft is fixedly connected to the side wall of the shaking anti-blocking plate, a first motor is provided on one side of the first rotating shaft, and the first motor is fixedly connected to the inner wall of the feeding hopper.
[0010] According to the raw material screening device for concrete block production, multiple connecting rods are fixedly connected between the limiting pads.
[0011] According to the raw material screening device for concrete block production, a second motor is provided at the lower end of the second rotating shaft, the output end of the second motor is fixedly connected to the lower end of the second rotating shaft, and the second motor is fixedly connected to the bottom of the inner side of the box.
[0012] According to the raw material screening device for concrete block production, a mounting block is fixedly connected to one side of the shaking rod, and the mounting block is fixedly connected to the outer wall of the second rotating shaft.
[0013] Beneficial effects:
[0014] 1. A feeding hopper is connected to the upper part of the box. Two limiting pads are symmetrically arranged inside the feeding hopper. Multiple damping springs are set on the upper part of the limiting pads. Multiple connecting rods are fixedly connected between the limiting pads. Anti-slip pads are fixedly connected to the surface of the limiting pads. A perforated dust collection net is fixedly connected to the lower end of the limiting pads. A shaking anti-clogging plate is set on the lower side of the limiting pads. A first rotating shaft is fixedly connected to one side of the shaking anti-clogging plate. A first motor is set on one side of the first rotating shaft. Two protruding dust collection nets are symmetrically fixedly connected to both sides of the shaking anti-clogging plate, so that it can absorb the fine dust generated and prevent the feeding clogging.
[0015] 2. A second motor is fixedly connected to the bottom of the inner side of the box. A second rotating shaft is set at the upper end of the second motor. Multiple mounting blocks are evenly fixedly connected to the outer wall of the second rotating shaft. A shaking rod is fixedly connected to one side of the mounting block. A uniformly dispersing rod is fixedly connected to the lower end of the shaking rod. A screening screen is set at the lower end of the uniformly dispersing rod. The screening screen is fixedly connected to the inner wall of the box so that it can fully screen the raw materials.
[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0018] Figure 1 This is a perspective view of a raw material screening device for concrete block production according to the present invention.
[0019] Figure 2 This is a half-sectional view of the housing of a raw material screening device for concrete block production proposed in this utility model.
[0020] Figure 3 This is a schematic diagram of the limiting pad of a raw material screening device for concrete block production proposed in this utility model.
[0021] Figure 4 This is a schematic diagram of the shaking anti-blocking plate of a raw material screening device for concrete block production proposed in this utility model.
[0022] Figure 5 The present utility model proposes Figure 1 Enlarged view of point A in the middle.
[0023] Legend:
[0024] 1. Box body; 2. Base; 3. Collection box; 4. Sliding component; 5. Feed hopper; 6. Fixing block; 7. Limiting pad; 8. Anti-slip pad; 9. Buffer mounting groove; 10. Perforated dust collection screen; 11. Mounting plate; 12. Buffer spring; 13. Shaking anti-clogging plate; 14. Protruding dust collection screen; 15. First motor; 16. First rotating shaft; 17. Connecting rod; 18. Second motor; 19. Second rotating shaft; 20. Mounting block; 21. Shaking rod; 22. Evenly dispersing rod; 23. Screening screen. Detailed Implementation
[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0026] Reference Figure 1-5 This utility model provides a raw material screening device for concrete block production, which includes a box body 1. A collection box 3 is provided at the lower end of the box body 1, and a feeding hopper 5 is fixedly connected to the upper end of the box body 1. Two limiting pads 7 are symmetrically arranged inside the feeding hopper 5. A perforated dust collection net 10 is fixedly connected to the lower end of the limiting pad 7. A shaking anti-clogging plate 13 is correspondingly provided at the lower end of the perforated dust collection net 10. Multiple different screening nets 23 are uniformly fixedly connected to the inner wall of the box body 1. A second rotating shaft 19 is rotatably connected to the inner side of the screening net 23. Multiple shaking rods 21 are uniformly arranged outside the second rotating shaft 19. A uniformly dispersing rod 22 is fixedly connected to the lower end of the shaking rod 21.
[0027] Specifically: the collection box 3 is used to collect the raw materials after screening, the porous dust collection net 10 and the protruding dust collection net 14 are used to absorb the volatile dust, and the shaking anti-clogging plate 13 rotates to prevent the feed from getting clogged.
[0028] A sliding member 4 is fixedly connected to the upper end of the collection box 3, and a base 2 is slidably connected to the outside of the sliding member 4. The base 2 is fixedly connected to the lower end of the box body 1.
[0029] Specifically: the slider 4 can move the collection box 3 out.
[0030] A mounting plate 11 is fixedly connected to one side of the limiting pad 7. Multiple buffer springs 12 are fixedly connected to the upper end of the mounting plate 11. A fixing block 6 is fixedly connected to the outside of the buffer springs 12. A buffer mounting groove 9 is provided between the fixing block 6 and the limiting pad 7.
[0031] Specifically: the buffer spring 12 allows the limiting pad 7 to swing back and forth, and the buffer mounting slot 9 can install the buffer spring 12.
[0032] The surface of the limiting pad 7 is fixedly connected to the anti-slip pad 8.
[0033] Specifically: the anti-slip mat 8 prevents large impurities on the surface from sliding off easily.
[0034] Multiple protruding dust collection nets 14 are symmetrically fixedly connected to both sides of the shaking anti-clogging plate 13. A first rotating shaft 16 is fixedly connected to the side wall of the shaking anti-clogging plate 13. A first motor 15 is provided on one side of the first rotating shaft 16. The first motor 15 is fixedly connected to the inner wall of the feeding hopper 5.
[0035] Specifically: When the first motor 15 starts, it can drive the first rotating shaft 16 to rotate, which in turn drives the shaking anti-blocking plate 13 to rotate.
[0036] Multiple connecting rods 17 are fixedly connected between the limiting pads 7.
[0037] Specifically: Connecting rod 17 prevents large impurities from falling between the limiting pads 7.
[0038] A second motor 18 is provided at the lower end of the second rotating shaft 19. The output end of the second motor 18 is fixedly connected to the lower end of the second rotating shaft 19. The second motor 18 is fixedly connected to the bottom of the inner side of the housing 1.
[0039] Specifically: the second motor 18 drives the second rotating shaft 19 to rotate, and the second rotating shaft 19 drives multiple evenly spreading rods 22 and shaking rods 21 to rotate, so that the raw materials on the screening screen 23 can be fully screened.
[0040] A mounting block 20 is fixedly connected to one side of the rocking rod 21, and the mounting block 20 is fixedly connected to the outer wall of the second rotating shaft 19.
[0041] Specifically: Mounting block 20 is used to mount and fix the rocker arm 21.
[0042] Working principle: First, the raw material is poured into the feed hopper 5. Through the limiting pad 7 and the shaking anti-blocking plate 13, large pieces can be kept on the surface of the device and then fall onto the surface of the screening screen 23. The material is fully screened by the rotation of multiple shaking rods 21 and uniform spreading rods 22, and finally enters the collection box 3.
[0043] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A raw material screening device for concrete block production, comprising a housing (1), characterized in that: The lower end of the box (1) is provided with a collection box (3), and the upper end of the box (1) is fixedly connected with a feeding hopper (5). The inner side of the feeding hopper (5) is symmetrically provided with two limiting pads (7). The lower end of the limiting pads (7) is fixedly connected with a porous dust collection net (10). The lower end of the porous dust collection net (10) is correspondingly provided with a shaking anti-clogging plate (13). The inner wall of the box (1) is uniformly fixedly connected with multiple different screening nets (23). The inner side of the screening net (23) is rotatably connected with a second rotating shaft (19). The outer side of the second rotating shaft (19) is uniformly provided with multiple shaking rods (21). The lower end of the shaking rods (21) is fixedly connected with a uniformly dispersing rod (22).
2. The raw material screening device for concrete block production according to claim 1, characterized in that, The upper end of the collection box (3) is fixedly connected to a sliding member (4), and a base (2) is slidably connected to the outside of the sliding member (4). The base (2) is fixedly connected to the lower end of the box body (1).
3. The raw material screening device for concrete block production according to claim 1, characterized in that, The limiting pad (7) is fixedly connected to one side of the mounting plate (11), and multiple buffer springs (12) are fixedly connected to the upper end of the mounting plate (11). A fixing block (6) is fixedly connected to the outside of the buffer springs (12), and a buffer mounting groove (9) is provided between the fixing block (6) and the limiting pad (7).
4. The raw material screening device for concrete block production according to claim 1, characterized in that, The limiting pad (7) is fixedly connected to an anti-slip pad (8).
5. The raw material screening device for concrete block production according to claim 1, characterized in that, Multiple protruding dust collection nets (14) are symmetrically fixedly connected to both sides of the shaking anti-clogging plate (13). A first rotating shaft (16) is fixedly connected to the side wall of the shaking anti-clogging plate (13). A first motor (15) is provided on one side of the first rotating shaft (16). The first motor (15) is fixedly connected to the inner wall of the feeding hopper (5).
6. The raw material screening device for concrete block production according to claim 1, characterized in that, Multiple connecting rods (17) are fixedly connected between the limiting pads (7).
7. The raw material screening device for concrete block production according to claim 1, characterized in that, The second motor (18) is provided at the lower end of the second rotating shaft (19). The output end of the second motor (18) is fixedly connected to the lower end of the second rotating shaft (19). The second motor (18) is fixedly connected to the bottom of the inner side of the housing (1).
8. The raw material screening device for concrete block production according to claim 1, characterized in that, A mounting block (20) is fixedly connected to one side of the rocking rod (21), and the mounting block (20) is fixedly connected to the outer wall of the second rotating shaft (19).