Screening device for recycled aggregate
The combination of multi-section screens and feed auger solves the problems of low efficiency and clogging in the existing recycled aggregate screening technology, and achieves efficient and low-cost multi-size screening.
Patent Information
- Application Number
- CN202422527049.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-18
AI Technical Summary
Existing screening devices are unable to screen recycled aggregates of multiple different sizes at one time, and are prone to screen clogging, increasing the workload of staff and equipment costs.
A screening device with a multi-segment screen structure was designed. Combined with a feed auger and a transmission device, the material can be screened step by step. The feed auger can avoid blockage and the multi-segment screen can be used to classify aggregates of different sizes at one time.
It realizes multi-size screening of recycled aggregates, reduces the operating burden of staff and equipment costs, improves screening efficiency, and avoids screen clogging.
Smart Images
Figure CN223465070U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of screening device, concretely to a screening device of recycled aggregate. BACKGROUND
[0002] Recycled aggregate refers to the aggregate obtained by processing and treating the waste concrete, brick, mortar and other construction wastes.
[0003] The size and structure of recycled aggregate are different in different application scenarios, so the recycled aggregate needs to be screened in different sizes for later use with other fillers and to ensure the adaptation to different application scenarios.
[0004] The screening device in the prior art usually uses a whole screening mesh with the same specification for screening. If the mixed recycled aggregate needs to be screened according to the size, a batch of aggregate needs to be switched between multiple screening devices for screening to meet the classification of aggregates of different sizes, which increases the workload of the staff and the cost of the equipment. UTILITY MODEL CONTENT
[0005] To solve the above problems, the utility model provides a screening device of recycled aggregate which can screen multiple materials of different sizes at one time and avoid material blockage.
[0006] To achieve the above purpose, the utility model provides a screening device of recycled aggregate, which comprises a supporting frame, a feeding mechanism and a screening mechanism which are installed on and connected to the supporting frame, the feeding mechanism comprises a feeding bin arranged on one end of the upper end surface of the supporting frame, a feeding hopper is arranged on the upper end of the feeding bin, an installation opening is formed in one side of the feeding bin, a sieve barrel extending to the other end of the supporting frame is movably embedded in the installation opening, a toothed rail is arranged around the other end of the sieve barrel, a transmission device is arranged on the upper end of the supporting frame and connected with the toothed rail at the lower end of the toothed rail, the barrel body of the sieve barrel is divided into multiple sieve nets with gradually increasing mesh sizes from one end connected with the feeding bin to the other end of the sieve barrel, a discharge hopper is arranged in the middle part of the supporting frame corresponding to the lower end of each sieve net, and a conveying device is arranged in the middle part of the feeding bin and the sieve barrel.
[0007] Preferably, the feeding bin is a cavity structure with an open upper end and a hollow interior, and the feeding bin is provided with a feeding hopper connected with the cavity of the feeding bin.
[0008] Preferably, the sieve barrel is movably embedded at one end in a mounting opening in one side of the feeding bin, the sieve barrel is open at both ends and is arranged in through communication with the cavity of the feeding bin, the barrel body of the sieve barrel is provided with multiple sieve nets with different mesh sizes, a segment plate is arranged between each of the multiple sieve nets, the mesh sizes of the multiple sieve nets are arranged in sequence from small to large from the end close to the feeding bin to the end provided with the toothed rail of the sieve barrel, and the sieve nets are at least three segments.
[0009] Preferably, the number of the discharge hoppers corresponds to the multiple sieve nets, and each of the multiple sieve nets is provided with a discharge hopper arranged at the lower end and placed in the middle of the support frame.
[0010] Preferably, the transmission device is two, and the two transmission devices are arranged at both sides of the lower end of the toothed rail, the transmission device comprises a support frame, a gear is arranged in the middle of the support frame, the gear is arranged in meshing connection with the toothed rail, and one end of the gear is coaxially connected with a first motor.
[0011] Preferably, the material conveying device comprises a material conveying auger arranged and in through communication in the middle of the feeding bin and the sieve barrel, one end of the material conveying auger close to the feeding bin is coaxially connected with a second motor, and the other end of the material conveying auger is arranged in abutment with a support frame arranged at the port of the sieve barrel, and the support frame is provided with a discharge hopper arranged at the lower end of the sieve barrel. The beneficial effects of the utility model are as follows: 1. The material conveying device arranged in the cavity of the middle of the feeding bin and the sieve barrel, when the material enters the feeding bin from the feeding hopper, the material conveying auger continuously pushes the material to be screened into the sieve barrel until the last large block of aggregate that cannot be screened is conveyed out of the sieve barrel, so that the large amount of aggregate is prevented from being left in the sieve net barrel to cause the sieve barrel to be blocked, and meanwhile, the sieve barrel rotates in the opposite direction of the material conveying auger under the transmission of the transmission device, so that the to-be-screened aggregate is scattered to improve the discharging rate.
[0012] 2. The sieve barrel is arranged in a multiple-segment structure, the mesh sizes of the multiple sieve nets are all different, and the mesh sizes are arranged in sequence from small to large, in the process of conveying the material by the material conveying auger, the material is screened out through the sieve nets with different mesh sizes, and is discharged through the discharge hoppers arranged at the lower ends of the sieve nets, so that the ability of screening and discharging the aggregate with different sizes at one time is achieved, the work burden of the staff for classification is reduced, and the cost investment of different specification equipment is also reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a whole structure schematic view of the utility model;
[0014] Fig. 2 It is a sectional view of the utility model.
[0015] Explanation of the figure
[0016] 1, support frame; 2, feeding bin; 201, feeding hopper; 202, mounting port; 3, sieve barrel; 301, sieve; 302, joint plate; 303, toothed rail; 4, discharge hopper; 5, support; 501, gear; 502, first motor; 6, conveying auger; 601, second motor; 602, support frame; 603, discharge hopper. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0018] In combination Figs. 1-2 The utility model discloses a kind of screening devices for recycled aggregate, including support frame 1 and erecting installation and butt joint setting upper feeding mechanism and screening mechanism, the upper feeding mechanism includes setting on the upper end face one end side of support frame 1 feeding bin 2, feeding bin 2 upper end is provided with feeding hopper 201, feeding bin 2 one side is opened with mounting port 202, the sieve barrel 3 extending to the other end of support frame 1 is movably embedded in the mounting port 202, the other end of sieve barrel 3 is circumferentially provided with toothed rail 303 outside, the lower end of toothed rail 303 has transmission device being set on the upper end of support frame 1 and being meshed with toothed rail 303, the barrel body of sieve barrel 3 is set as multiple mesh screens 301 from one end connected with feeding bin 2 to the other end of sieve barrel 3, the lower end of each mesh screen 301 is correspondingly provided with discharge hopper 4 placed in the middle of support frame 1, the upper end of support frame 1 is also erected with conveying device being set through the middle of feeding bin 2 and sieve barrel 3.
[0019] Further, the upper end of the feeding bin 2 is provided with a feeding hopper connected with the cavity of the feeding bin 2.
[0020] Further, the one end of the sieve barrel 3 is movably embedded in the mounting port 202 of the one side of the feeding bin 2, the sieve barrel 3 is open at both ends and is provided through the cavity of the feeding bin 2, the barrel body of the sieve barrel 3 is provided with multiple mesh screens 301 with different mesh sizes, the joint plate 302 is provided between each mesh screen 301, the mesh sizes of the multiple mesh screens 301 are sequentially set from small to large from the one end close to the feeding bin 2 to the one end provided with the toothed rail 303 of the sieve barrel 3, and the mesh screen 301 is at least three sections.
[0021] Further, the number of the discharge hoppers 4 is corresponding to the multiple mesh screens 301, and the lower end of each mesh screen 301 is provided with the discharge hopper 4 placed in the middle of the support frame 1.
[0022] Further, the transmission device is two, two transmission devices are arranged at the lower ends of the rack rail 303, the transmission device includes a support 5, a gear 501 is arranged in the middle of the support 5, the gear 501 is meshed and connected with the rack rail 303, one end of the gear 501 is coaxially connected with a first motor 502.
[0023] Further, the material conveying device includes a material conveying auger 6 arranged through the middle of the feeding bin 2 and the sieve barrel 3, one end of the material conveying auger 6 is coaxially connected with a second motor 601; the other end of the material conveying auger 6 is arranged on the support frame 602 arranged on the port of the sieve barrel 3, and the support frame 602 is provided with a discharge hopper 603 arranged at the lower end of the sieve barrel 3.
[0024] Through the material conveying device arranged in the middle of the feeding bin 2 and the sieve barrel 3, when the material enters the feeding bin 2 from the feeding hopper 201, the material conveying auger 6 continuously pushes the material to be sieved into the sieve barrel 3 until the last large block of aggregate that cannot be sieved is discharged from the sieve barrel 3, so as to avoid the large aggregate remaining in the sieve barrel 3 and causing the sieve barrel 3 to be blocked, and the sieve barrel 3 rotates in the opposite direction of the material conveying auger 6 under the driving of the transmission device, so as to scatter the aggregate to be sieved and improve the discharging rate, the sieve barrel 3 is arranged in a multi-section structure, the mesh sizes of the multi-section sieve meshes 301 are different, and the mesh sizes are arranged from small to large, in the process of conveying the material by the material conveying auger 6, the material is sieved out through the sieve meshes 301 with different mesh sizes, and is discharged through the discharge hopper 4 arranged at the lower end of the sieve meshes 301, so as to realize the classification of aggregates with different sizes at one time, reduce the work burden of the workers, and reduce the cost of different specification equipment.
[0025] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A screening device for recycled aggregate, comprising a support frame (1) and a feeding mechanism and a screening mechanism installed and arranged in abutment, characterized in that: The upper feeding mechanism includes an upper feeding bin (2) arranged on one end of the upper end surface of the support frame (1), the upper end of the upper feeding bin (2) is provided with a feeding hopper (201), one side of the upper feeding bin (2) is provided with a mounting port (202), a sieve barrel (3) extending to the other end of the support frame (1) is movably embedded through the mounting port (202), the other end of the sieve barrel (3) is provided with a rack (303) around the outside, the lower end of the rack (303) is provided with a transmission device arranged on the upper end of the support frame (1) and connected with the rack (303), the barrel body of the sieve barrel (3) is provided with a plurality of screen meshes (301) with gradually increasing mesh sizes from one end connected with the upper feeding bin (2) to the other end of the sieve barrel (3), and the lower end of each screen mesh (301) is provided with a lower feeding hopper (4) arranged in the middle of the support frame (1), and the upper end of the support frame (1) is further provided with a feeding device penetratingly arranged in the middle of the upper feeding bin (2) and the sieve barrel (3).
2. A screening device for recycled aggregates according to claim 1, characterized in that: The upper feeding bin (2) is a cavity structure with an open upper end and a hollow interior, and the upper end of the upper feeding bin (2) is provided with an upper feeding hopper connected with the cavity of the upper feeding bin (2).
3. A screening device for recycled aggregates according to claim 1, characterized in that: The sieve barrel (3) is movably embedded in the mounting port (202) of one side of the upper feeding bin (2), the sieve barrel (3) is open at both ends and penetrates the cavity of the upper feeding bin (2), the barrel body of the sieve barrel (3) is provided with a plurality of screen meshes (301) with different mesh sizes, a segment plate (302) is arranged between each screen mesh (301), and the mesh sizes of the plurality of screen meshes (301) gradually increase from one end close to the upper feeding bin (2) to the other end provided with the rack (303) of the sieve barrel (3), and the screen meshes (301) are at least three sections.
4. A screening device for recycled aggregates according to claim 1, characterized in that: The number of the lower feeding hoppers (4) corresponds to the plurality of screen meshes (301), and each screen mesh (301) is provided with a lower feeding hopper (4) arranged in the middle of the support frame (1).
5. A screening device for recycled aggregates according to claim 1, characterized in that: The transmission device is two, and the two transmission devices are arranged on both sides of the lower end of the rack (303), the transmission device includes a support (5), the middle of the support (5) is provided with a gear (501), the gear (501) is connected with the rack (303) in a meshing manner, and one end of the gear (501) is coaxially connected with a first motor (502).
6. A screening device for recycled aggregates according to claim 1, characterized in that: The feeding device includes a feeding auger (6) penetratingly arranged in the middle of the upper feeding bin (2) and the sieve barrel (3), one end of the feeding auger (6) close to the upper feeding bin (2) is coaxially connected with a second motor (601), and the other end of the feeding auger (6) is provided with a support frame (602) arranged on the port of the sieve barrel (3), and the lower end of the support frame (602) is provided with a discharge hopper (603) arranged at the lower end of the sieve barrel (3).