Aggregate screening equipment for water-stable crushed stone processing
By designing a slidingly connected screen plate and limit fixing system, the problem of difficult maintenance of screen plates in existing equipment and inability to adjust the aperture is solved, efficient maintenance and flexible screening of the equipment are achieved, and overall production efficiency and screening effect are improved.
Patent Information
- Application Number
- CN202421418316.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The screen plates of existing aggregate screening equipment for water-stable gravel processing are prone to wear, blockage and damage after long-term use, and cannot be disassembled and replaced separately, resulting in difficult maintenance, reduced screening efficiency, and unable to adapt to the particle size distribution needs of different batches and uses.
A aggregate screening equipment for water-stable gravel processing was designed. The screen plate was slidably connected in the fixing groove and used for limit fixation, which realized the separate disassembly and replacement of the screen plate, and adjusted the aperture of the screen plate by pairing and moving the upper and lower screen plates.
It realizes convenient replacement and maintenance of screen plates, improves the production efficiency and flexibility of equipment, adapts to the screening needs of different types of gravel, and improves the screening effect.
Smart Images
Figure CN222739685U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water-stable crushed stone processing, in particular to aggregate screening equipment for water-stable crushed stone processing. Background Art
[0002] In highway construction, gravel is indispensable. Usually, the gravel used in construction is crushed by a crusher to obtain gravel of different sizes. Since different materials are used in combination with different sizes of stones, it is necessary to classify the gravel by size while crushing the stone, and pile up gravel of different sizes by area. Aggregate screening equipment for water-stable gravel processing plays a key role in the production and processing of water-stable gravel.
[0003] In the prior art, the device usually includes a screening box, a feed hopper and a vibrating device are provided on the surface of the screening box, a plurality of vibrating screens are provided inside the screening box, and each vibrating screen is equipped with a collecting box for collecting stones of different particle sizes.
[0004] However, after long-term use, the surface of the sieve plate will be worn, blocked and damaged, and the sieve plate and the screening box are an integral whole, and the sieve plate cannot be disassembled separately, making replacement and maintenance difficult, resulting in reduced screening efficiency. Different batches and different uses of water-stabilized gravel require different particle size distributions during the screening process, while the aperture size in the sieve plate is fixed and cannot adapt to a variety of demand scenarios, resulting in poor screening effect. Utility Model Content
[0005] The utility model aims to provide an aggregate screening device for processing water-stable crushed stone to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aggregate screening device for processing water-stable gravel, comprising a screening box, a feed hopper is fixedly connected to the top of the screening box, a collecting box is overlapped on one side of the surface of the screening box, a material box is plugged into the other side of the surface of the screening box, two baffles are rotatably connected to one side of the surface of the screening box, two lower screen plates are plugged into the surface of the screening box, fixed plates are fixedly connected to the two end surfaces of the lower screen plates, an upper screen plate is plugged between the two fixed plates, plug blocks are slidably connected to the two end surfaces of the upper screen plate, the plug blocks are clamped on the surface of the fixed plate, slide plates are slidably connected to both sides of the surface of the screening box, the slide plates are pressed against the surface of the fixed plate to limit the fixed plate.
[0007] Preferably, two discharge ports are provided on one side of the surface of the screening box, and circular grooves are provided on the surfaces at both ends of the discharge ports. Round rods are inserted into the surfaces of the circular grooves, and the round rods are rotatably connected to the circular holes provided on the surface of the baffle, and the baffle is a square plate-shaped structure.
[0008] Preferably, a fixed groove is provided on the surface of the screening box, the discharge port is connected with the fixed groove, the fixed groove is a U-shaped groove, and the lower screen plate is plugged into the surface of the fixed groove.
[0009] Preferably, the fixing plate is in an "L"-shaped plate structure, and slide grooves are provided on both sides of the surface of the fixing plate. The surface of the slide groove is provided with a plurality of slots distributed in an array, and the slots are in the form of square grooves.
[0010] Preferably, the upper sieve plate is slidably connected between the lower sieve plate and the surface of the fixed plate, the surfaces of the upper sieve plate and the lower sieve plate are tightly fitted, and the sieve holes of the upper sieve plate and the lower sieve plate in each group are the same size, and sliding rods are fixedly connected to the two end surfaces of the upper sieve plate, the sliding rods are square plate-shaped structures, and rubber grooves are provided on the surfaces of the sliding rods.
[0011] Preferably, the rubber groove is a circular groove, a rubber block is fixedly connected to the surface of the rubber groove, the surface of the plug block is fixedly connected to the other end of the rubber block, the plug block is a square block structure, and the plug block is embedded in the surface of the slot.
[0012] Preferably, two groups of limit blocks are fixedly connected on both sides of the surface of the screening box, and each group of limit blocks has two limit blocks. Square holes are opened on the surfaces of the limit blocks, and the slide plates are inserted into the square holes. A square groove is opened on the surface of one end of the slide plate away from the fixed plate, and a rubber strip is fixedly connected to the center position of the surface of the square groove, and both ends of the rubber strip are fixedly connected to the surface of the limit blocks.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The aggregate screening equipment for processing water-stable gravel proposed in the utility model connects the screen plate in a sliding manner in a fixed groove and uses a slide plate for limiting and fixing, thereby realizing the separate disassembly and replacement of the screen plate, facilitating cleaning and maintenance and improving the overall production efficiency of the equipment. The upper screen plate and the lower screen plate are matched with each other and the upper screen plate is moved, thereby realizing the adjustment of the aperture of the screen plate, improving the flexibility and applicability of the equipment and improving the screening effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a half-section schematic diagram of the structure of the utility model;
[0017] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;
[0018] Figure 4 for Figure 2 A magnified schematic diagram of the structure at B in the middle;
[0019] Figure 5This is a schematic diagram of the screen plate structure of the utility model.
[0020] In the figure: 1. screening box; 2. feed hopper; 3. collecting box; 4. material box; 5. baffle; 6. round rod; 7. upper screen plate; 8. lower screen plate; 9. fixed plate; 10. slide groove; 11. slide rod; 12. rubber groove; 13. rubber block; 14. insert block; 15. slot; 16. limit block; 17. slide plate; 18. rubber strip; 19. square hole; 20. discharge port; 21. fixed groove. DETAILED DESCRIPTION
[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Embodiment 1
[0023] See also Figure 1 to Figure 2 The utility model provides a technical solution: an aggregate screening device for processing water-stable crushed stone, comprising a screening box 1, a feed hopper 2 is fixedly connected to the top of the screening box 1, a collecting box 3 is overlapped on one side of the surface of the screening box 1, a material box 4 is plugged on the other side of the surface of the screening box 1, two baffles 5 are rotatably connected to one side of the surface of the screening box 1, two lower screen plates 8 are plugged on the surface of the screening box 1, fixed plates 9 are fixedly connected to the two end surfaces of the lower screen plates 8, an upper screen plate 7 is plugged between the two fixed plates 9, and plug blocks 14 are slidably connected to the two end surfaces of the upper screen plate 7, The insert block 14 is clamped on the surface of the fixed plate 9, and slide plates 17 are slidably connected on both sides of the surface of the screening box 1. The slide plates 17 are pressed against the surface of the fixed plate 9 to limit the fixed plate 9, and the sieve plate is slidably connected in the fixed groove 21. The slide plates 17 are used for limiting and fixing, so that the sieve plate can be disassembled and replaced separately, which is convenient for cleaning and maintenance and improves the overall production efficiency of the equipment. The upper sieve plate 7 and the lower sieve plate 8 are matched with each other and the upper sieve plate 7 is moved, so that the aperture of the sieve plate can be adjusted, the flexibility and applicability of the equipment are improved, and the screening effect of the equipment is improved.
[0024] Embodiment 2
[0025] See also Figure 4On the basis of the first embodiment, in order to realize the disassembly and installation of the screen plate, two discharge ports 20 are provided on one side of the surface of the screening box 1, and circular grooves are provided on the surfaces at both ends of the discharge ports 20. Round rods 6 are inserted on the surface of the circular grooves, and the round rods 6 are rotatably connected to the circular holes provided on the surface of the baffle plate 5. The baffle plate 5 is a square plate-shaped structure, and a fixed groove 21 is provided on the surface of the screening box 1. The discharge port 20 is connected with the fixed groove 21, and the fixed groove 21 is a "return"-shaped groove. The lower screen plate 8 is inserted in the surface of the fixed groove 21, and two groups of limit blocks 16 are fixedly connected on both sides of the surface of the screening box 1, and each group of limit blocks 16 has two. The surface of the limit block 16 is provided with a square hole 19, and the slide plate 17 is inserted in the square hole 19. The surface of the slide plate 17 away from the fixed plate 9 is provided with a square groove, and a rubber strip 18 is fixedly connected to the center position of the surface of the square groove, and the two ends of the rubber strip 18 are fixedly connected to the surface of the limit block 16.
[0026] The collecting box 3 and the material box 4 are respectively provided to collect and hold the different crushed stones after screening. The baffle 5 is provided, and the classified crushed stones roll down to one side of the upper screen plate 7, and the baffle 5 is squeezed, and the baffle 5 rotates, and the crushed stones enter the collecting box 3 from the discharge port 20. The baffle 5 can reduce the flying of dust.
[0027] See also Figure 3 , Figure 5 On the basis of the second embodiment, in order to adjust the aperture size enclosed by the upper sieve plate 7 and the lower sieve plate 8, the fixed plate 9 is in an "L"-shaped plate structure, and slide grooves 10 are provided on both sides of the surface of the fixed plate 9. The surface of the slide groove 10 is provided with a plurality of slots 15 distributed in an array, and the slots 15 are in a square groove. The fixed plate 9 is in an "L"-shaped plate structure, and the upper sieve plate 7 is slidably connected between the surfaces of the lower sieve plate 8 and the fixed plate 9. The surfaces of the upper sieve plate 7 and the lower sieve plate 8 are tightly fitted, and the sieve holes of the upper sieve plate 7 and the lower sieve plate 8 in each group are the same size. The surfaces of both ends of the upper sieve plate 7 are fixedly connected with sliding rods 11, and the sliding rods 11 are in a square plate structure. The surface of the sliding rods 11 is provided with rubber grooves 12, and the rubber grooves 12 are in a circular groove. The surface of the rubber grooves 12 is fixedly connected with a rubber block 13, and the surface of the plug block 14 is fixedly connected to the other end of the rubber block 13. The plug block 14 is in a square block structure, and the plug block 14 is embedded in the surface of the slot 15.
[0028] Two groups of sieve plates are provided, each group of sieve plates includes an upper sieve plate 7 and a lower sieve plate 8. The aperture of the upper sieve plate is larger than that of the lower sieve plate. The upper sieve plate 7 and the lower sieve plate 8 in each group are tightly fitted, and the width of the upper sieve plate 7 is slightly smaller than that of the lower sieve plate 8, so that the upper sieve plate 7 can slide on the surface of the lower sieve plate 8. The rubber block 13 can pull the plug block 14 to prevent the plug block 14 and the slot 15 from falling off.
[0029] When the sieve plate needs to be disassembled, the slide plates 17 on both sides are first manually pushed, and the slide plates 17 move to the side away from the fixed plate 9, and the fixed plate 9 is pulled out from the surface of the fixed groove 21, and the fixed plate 9 drives the upper sieve plate 7 and the lower sieve plate 8 to move and slide out, and then the plug blocks 14 at both ends are pulled to make the plug blocks 14 away from the slots 15. At this time, the rubber blocks 13 are in a stretched state, and then the card blocks slide out along the edge of the slide groove 10, and the upper sieve plate 7 and the lower sieve plate 8 can be disassembled for separate replacement and cleaning. When the sieve plate aperture needs to be adjusted according to the situation of the crushed stone, the plug block 14 is pulled and moved in the direction of the slide groove 10, and then the plug block 14 is clamped in the corresponding slot 15. At this time, the aperture on the upper sieve plate 7 is displaced relative to the lower sieve plate 8, and the upper and lower apertures are misaligned to achieve the change of the aperture size, thereby completing the screening requirements for different types of crushed stone.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An aggregate screening device for processing water-stable crushed stone, comprising a screening box (1), the top of which is fixedly connected to a feed hopper (2), characterized in that: A collecting box (3) is overlapped on one side of the surface of the screening box (1), a material box (4) is inserted on the other side of the surface of the screening box (1), two baffles (5) are rotatably connected to one side of the surface of the screening box (1), two lower screening plates (8) are inserted on the surface of the screening box (1), fixed plates (9) are fixedly connected to the two end surfaces of the lower screening plates (8), an upper screening plate (7) is inserted between the two fixed plates (9), plug blocks (14) are slidably connected to the two end surfaces of the upper screening plate (7), the plug blocks (14) are clamped on the surface of the fixed plate (9), slide plates (17) are slidably connected to both sides of the surface of the screening box (1), the slide plates (17) are pressed against the surface of the fixed plate (9) to limit the fixed plate (9).
2. The aggregate screening equipment for processing water-stable crushed stone according to claim 1 is characterized in that: Two discharge ports (20) are provided on one side of the surface of the screening box (1), and circular grooves are provided on the surfaces at both ends of the discharge ports (20). Round rods (6) are inserted into the surfaces of the circular grooves, and the round rods (6) are rotatably connected to circular holes provided on the surface of the baffle (5), and the baffle (5) is in a square plate-like structure.
3. The aggregate screening equipment for processing water-stable crushed stone according to claim 2 is characterized in that: The surface of the screening box (1) is provided with a fixed groove (21), the discharge port (20) is connected to the fixed groove (21), the fixed groove (21) is in the shape of a "U" character, and the lower screen plate (8) is plugged into the surface of the fixed groove (21).
4. The aggregate screening equipment for processing water-stable crushed stone according to claim 1, characterized in that: The fixing plate (9) is an "L"-shaped plate structure, and slide grooves (10) are provided on both sides of the surface of the fixing plate (9). The surface of the slide groove (10) is provided with a plurality of slots (15) distributed in an array, and the slots (15) are square slots.
5. The aggregate screening equipment for processing water-stable crushed stone according to claim 1, characterized in that: The upper sieve plate (7) is slidably connected between the surface of the lower sieve plate (8) and the fixed plate (9); the surfaces of the upper sieve plate (7) and the lower sieve plate (8) are tightly fitted, and the sieve holes of the upper sieve plate (7) and the lower sieve plate (8) in each group are the same size; the surfaces of both ends of the upper sieve plate (7) are fixedly connected with sliding rods (11); the sliding rods (11) are in a square plate-shaped structure, and the surfaces of the sliding rods (11) are provided with rubber grooves (12).
6. The aggregate screening equipment for processing water-stable crushed stone according to claim 5, characterized in that: The rubber groove (12) is a circular groove, a rubber block (13) is fixedly connected to the surface of the rubber groove (12), a surface of the plug block (14) is fixedly connected to the other end of the rubber block (13), the plug block (14) is a square block structure, and the plug block (14) is embedded in the surface of the slot (15).
7. The aggregate screening equipment for processing water-stable crushed stone according to claim 1, characterized in that: Two groups of limit blocks (16) are fixedly connected on both sides of the surface of the screening box (1), each group of limit blocks (16) has two limit blocks, a square hole (19) is provided on the surface of the limit block (16), a slide plate (17) is inserted into the square hole (19), a square groove is provided on the surface of one end of the slide plate (17) away from the fixed plate (9), a rubber strip (18) is fixedly connected at the center position of the surface of the square groove, and both ends of the rubber strip (18) are fixedly connected to the surface of the limit block (16).