Recycled concrete powder reinforcing steel bar screening device

Abstract

The recycled concrete powder reinforcing steel bar screening device comprises a screening box, a feeding port is formed in the top of the screening box, and a discharging port is formed in the right side of the lower portion of the screening box. According to the concrete powder screening device, the impurity removing shell and the impurity discharging hopper are arranged on the screening box, and the adsorption frame is arranged on the inclined plate, so that when concrete powder is screened in the screening hopper, the winch is started to lower the first electromagnet, and the first electromagnet stretches into the screening hopper and adsorbs reinforcing steel bars on the inner side of the screening hopper; when the winch lifts the first electromagnet to reset into the impurity removal shell, an impurity removal hopper slidably installed in the receding opening is pushed to be arranged below the first electromagnet, a power source of the first electromagnet is cut off, and the purpose of discharging the reinforcing steel bars is achieved; and a second electromagnet installed in the adsorption frame is used for adsorbing steel bar chippings on the discharged concrete powder, so that the concrete powder discharged from the discharging opening is high in purity, and the screening effect is thorough.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of recycled concrete, especially to a recycled concrete powder and steel bar separating and screening device. BACKGROUND

[0002] With the continuous development of domestic economy, the scale of infrastructure is also increasing. In the construction process, concrete materials, as one of the largest basic materials, need to consume a large amount of natural resources in the production process, which will lead to ecological damage over a long period of time. Therefore, waste concrete is processed and reproduced. In order to ensure the normal use of waste concrete, it is usually crushed, washed, and graded, and then the screened waste concrete is mixed with natural aggregate according to a certain proportion for mixed use, and finally cement, water, and additives are added for cooperation to form new concrete.

[0003] After searching, a recycled concrete screening device with publication number CN217392934U is disclosed, which includes a box body, a hopper, and several drawers. The outlet end of the hopper is vertically arranged in the upper end of the box body. The inner wall of the box body is evenly provided with several sliding grooves along its height direction. Several drawers are horizontally and slidingly arranged in the sliding grooves, and the length of the several drawers is less than the length of the box body. At the same time, the bottom wall of the several drawers is respectively provided with filter screens with different hole diameters. The hole diameters of the filter screens decrease from top to bottom, and a braking device is arranged on the several drawers to control the shaking thereof. The present application uses the convenient screening device to shake the drawer to quickly screen the crushed blocks, effectively improves the use effect of the crushed blocks, and improves the quality of the newly formed concrete.

[0004] However, due to the presence of a large amount of steel bars in waste concrete, steel bars still exist in the crushed concrete powder. The above screening device does not have a steel bar screening structure, which on the one hand makes it inconvenient to produce recycled concrete with steel bar impurities, and on the other hand, the separated steel bars waste metal resources.

[0005] Therefore, a recycled concrete powder and steel bar separating and screening device is proposed, which has the advantages of separating powder and steel bars conveniently, and solves the problems in the above background technology. SUMMARY

[0006] The purpose of the present utility model is to solve the problems in the prior art, and a recycled concrete powder and steel bar separating and screening device is proposed.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a recycled concrete powder steel bar screening device, comprising a screening box, a feeding port is provided on the top of the screening box, and a discharging port is provided on the right side of the lower part; a screening bucket is provided inside the screening box corresponding to the feeding port, and the left end of the screening bucket is fixedly connected to a guide rod which is interlaced with the screening box, and a spring is sleeved on the surface of the guide rod of the screening bucket; a motor is fixedly installed on the right side of the top surface of the screening box, and the output end of the motor passes through the screening box and is fixedly connected to a cam; the right end of the screening bucket is welded It is connected to a contact block, and the contact block is against the cam through an arc concave surface. An inclined plate is welded under the screening bucket, and an adsorption frame is welded at one end of the inclined plate close to the discharge port, and a second electromagnet is fixed to the inner side of the adsorption frame of the inclined plate. The left side of the top surface of the screening box is connected to a debris removal shell, and a winch is fixed on the top of the debris removal shell. The rope buckle on the steel wire rope wrapped around the surface of the winch is connected to the first electromagnet, and the first electromagnet extends to the inside of the debris removal shell. A clearance opening is provided on the left side wall of the debris removal shell, and a debris discharge bucket is movably arranged in the clearance opening.

[0008] As a further description of the above technical solution: guide grooves are provided on both sides of the screening box, guide blocks are fixed on both sides of the screening bucket, and the guide blocks on both sides of the screening bucket are slidably connected to the two guide grooves.

[0009] As a further description of the above technical solution: the cross-section of the debris bucket is a U-shaped structure, and guide bars are fixed to both sides of the debris bucket, and the guide bars of the debris bucket are slidably connected to the guide grooves correspondingly opened on the inner side of the clearance opening.

[0010] As a further description of the above technical solution: a first dust hood is installed on the inner wall of the impurity removal shell corresponding to the yield opening, and a second dust hood is installed on the inner wall of the screening box corresponding to the adsorption frame, and the first dust hood and the second dust hood are both connected to the external dust removal equipment through a dust suction pipeline.

[0011] As a further description of the above technical solution: the adsorption frame is formed by welding a metal panel and metal square columns arranged at the four corners of its bottom surface, and two second electromagnets are arranged on the metal panel of the adsorption frame.

[0012] As a further description of the above technical solution: two guide rods are arranged in parallel at the left end of the screening bucket, and a limiting disc is arranged at one end of the two guide rods extending out of the screening box.

[0013] As a further description of the above technical solution: a rectangular opening is provided on the left side of the top surface of the screening box corresponding to the impurity removal shell, and the rectangular opening is directly below the first electromagnet.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a concrete powder steel bar screen device, including the sieve box, the sieve box is provided with the sieve hopper, the sieve hopper is provided with the motor, the motor is provided with the guide groove, the guide groove is provided with the cam, the cam is provided with the suction frame, the sieve box is provided with the discharge port, the sieve box is provided with the impurity removal shell, the sieve box is provided with the winch, the sieve box is provided with the first electromagnet, the sieve box is provided with the impurity removal bucket, the sieve box is provided with the first dust cover, the sieve box is provided with the second dust cover, the sieve box is provided with the guide rod, the sieve box is provided with the spring, the sieve box is provided with the contact block, the sieve box is provided with the guide block, the sieve box is provided with the let -go mouth, the sieve box is provided with the guide strip, the sieve box is provided with the second electromagnet. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the concrete powder steel bar screen device of the utility model;

[0017] Figure 2 It is the sieve hopper structural schematic diagram of the concrete powder steel bar screen device of the utility model;

[0018] Figure 3 It is the impurity removal shell structural schematic diagram of the concrete powder steel bar screen device of the utility model;

[0019] Figure 4 It is the inclined plate local structure schematic diagram of the concrete powder steel bar screen device of the utility model.

[0020] Legend:

[0021] 1, sieve box, 2, inclined plate, 3, feed inlet, 4, sieve hopper, 5, motor, 6, guide groove, 7, cam, 8, suction frame, 9, discharge port, 10, impurity removal shell, 11, winch, 12, first electromagnet, 13, impurity removal bucket, 14, first dust cover, 15, second dust cover, 16, guide rod, 17, spring, 18, contact block, 19, guide block, 20, let -go mouth, 21, guide strip, 22, second electromagnet. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] According to the embodiments of the utility model, the concrete powder steel bar screen device is provided.

[0024] The utility model further illustrates the present utility model with the specific embodiments and the drawings, like Figures 1-4 As shown in the figure, according to the recycled concrete powder reinforced sieve device of the utility model embodiment, including sieve box 1, the top of sieve box 1 is provided with feed inlet 3, and the lower right side is provided with discharge port 9, the inside of sieve box 1 is provided with screening hopper 4 corresponding to feed inlet 3, and the left end of screening hopper 4 is fixedly connected with guide rod 16 penetrating sieve box 1, and spring 17 is installed on the surface of guide rod 16 of screening hopper 4, motor 5 is fixedly installed on the right side of the top surface of sieve box 1, and cam 7 is fixedly connected to the output end of motor 5 and penetrates sieve box 1, the right end of screening hopper 4 is welded with contact block 18, and contact block 18 is in abutment with cam 7 through a circular arc concave surface, and inclined plate 2 is welded below screening hopper 4, and suction frame 8 is welded on the end of inclined plate 2 close to discharge port 9, and second electromagnet 22 is fixedly connected to the inner side of suction frame 8 of inclined plate 2, and edulcoration shell 10 is communicated with the left side of the top surface of sieve box 1, and winch 11 is fixed on the top of edulcoration shell 10, and first electromagnet 12 is connected to the steel wire rope on the surface of winch 11 through a rope buckle, and first electromagnet 12 extends to the inner side of edulcoration shell 10, and displacement opening 20 is formed in the left side wall of edulcoration shell 10, and impurity discharge hopper 13 is movably arranged in displacement opening 20, wherein the mesh size of the screen of screening hopper 4 is adapted to the particle size of the concrete powder, and motor 5, winch 11, first electromagnet 12 and second electromagnet 22 are only used in the patent, and their structure and function are not improved, and their setting mode, mounting mode and electrical connection mode can be debugged according to the requirements of the instruction manual, and the control switch matched with motor 5, winch 11, first electromagnet 12 and second electromagnet 22 is arranged, and the installation position of the control switch can be selected according to the actual use requirement, and the operator can operate and control conveniently.

[0025] In one embodiment, guide grooves 6 are formed in both sides of the inside of sieve box 1, and guide blocks 19 are fixedly connected to both sides of screening hopper 4, and the guide blocks 19 on both sides of screening hopper 4 are slidably connected with the two guide grooves 6, so that the screening of screening hopper 4 is stable.

[0026] In one embodiment, the cross section of impurity discharge hopper 13 is U-shaped structure, and guide strips 21 are fixedly connected to both sides of impurity discharge hopper 13, and the guide strips 21 of impurity discharge hopper 13 are slidably connected with the guide grooves formed in the inner side of displacement opening 20, and impurity discharge hopper 13 can be moved flexibly, so that the reinforcement is discharged.

[0027] In one embodiment, the first dust cover 14 is mounted on the inner wall of the impurity removal shell 10 corresponding to the gap 20, and the second dust cover 15 is mounted on the inner wall of the screening box 1 corresponding to the adsorption rack 8. The first dust cover 14 and the second dust cover 15 are connected to the external dust removal equipment through the dust removal pipeline. The first dust cover 14 and the second dust cover 15 can absorb the dust flying in the screening stage, thereby reducing dust pollution.

[0028] In one embodiment, the adsorption rack 8 is welded by a metal panel and a metal square column arranged at the bottom of the four corners of the metal panel. Two second electromagnets 22 are arranged on the metal panel of the adsorption rack 8. The adsorption rack 8 is arranged to facilitate the discharge of the powder and facilitate the adsorption of the steel scrap therein.

[0029] In one embodiment, two guide rods 16 are arranged in parallel at the left end of the screening bucket 4. Limiting discs are arranged at one end of the screening box 1 extending from the two guide rods 16. The two guide rods 16 are arranged to increase the stability of the reciprocating movement of the screening bucket 4. The limiting discs are arranged to limit the guide rods 16 and prevent them from slipping off.

[0030] In one embodiment, a rectangular opening is formed on the left side of the top surface of the screening box 1 corresponding to the impurity removal shell 10. The rectangular opening is directly below the first electromagnet 12. The rectangular opening is arranged to facilitate the lowering of the first electromagnet 12, thereby facilitating the separation of the steel in the screening bucket 4.

[0031] Working principle:

[0032] In use, first, the concrete powder to be screened is put into the feeding port 3. Then, the motor 5 is started to drive the fixed cam 7 at the output end to rotate. Since the left end of the screening bucket 4 is connected with the screening box 1 through the guide rod 16 sleeved with the spring 17, and the right end of the screening bucket 4 is abutted with the cam 7 through the contact block 18 with a circular arc concave surface, with the rotation of the cam 7 and the adaptive expansion and contraction of the spring 17 on the guide rod 16, the screening bucket 4 makes reciprocating movement in the screening box 1. The powder meeting the requirements of the screening bucket 4 screen aperture falls into the inclined plate 2 through the screen. The concrete blocks and strip steels are retained in the screening bucket 4. When the steels are removed, the first electromagnet 12 is lowered by starting the winch 11. The first electromagnet 12 is inserted into the screening bucket 4 and adsorbs the steel inside. When the first electromagnet 12 is lifted by the winch 11 and returns to the impurity removal shell 10, the movable discharge bucket 13 in the gap 20 is pushed to be below the first electromagnet 12, and the power supply of the first electromagnet 12 is cut off, thereby achieving the purpose of discharging the steel. When the screened concrete powder is discharged from the inclined plate 2, the second electromagnet 21 in the adsorption rack 8 adsorbs the steel scrap in the discharged concrete powder, so that the concrete powder discharged from the discharge port 9 is pure. After the screening of the powder is completed, the power supply of the second electromagnet 21 is cut off, and the steel scrap is discharged from the discharge port 9.

[0033] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A recycled concrete powder and steel bar screening device, comprising a screening box (1), characterized in that: The top of the screening box (1) is provided with a feed port (3), and the right side of the lower part is provided with a discharge port (9); a screening bucket (4) is provided inside the screening box (1) corresponding to the feed port (3), and the left end of the screening bucket (4) is fixedly connected to a guide rod (16) that is inserted and connected to the screening box (1), and a spring (17) is installed on the surface of the guide rod (16) of the screening bucket (4); a motor (5) is fixedly installed on the right side of the top surface of the screening box (1), and the output end of the motor (5) passes through the screening box (1) and is fixedly connected to a cam (7); a contact block (18) is welded to the right end of the screening bucket (4), and the contact block (18) is against the cam (7) through a circular arc concave surface. An inclined plate (2) is welded below the screening bucket (4), and an adsorption frame (8) is welded to one end of the inclined plate (2) close to the discharge port (9), and a second electromagnet (22) is fixedly connected to the inner side of the adsorption frame (8) of the inclined plate (2). The left side of the top surface of the screening box (1) is connected to the impurity removal shell (10), and a winch (11) is fixed to the top of the impurity removal shell (10). The upper rope buckle of the steel wire rope wound on the surface of the winch (11) is connected to the first electromagnet (12), and the first electromagnet (12) extends to the inner side of the impurity removal shell (10). A clearance opening (20) is opened on the left side wall of the impurity removal shell (10), and a debris discharge bucket (13) is movably arranged in the clearance opening (20).

2. The recycled concrete powder and steel bar screening device according to claim 1, characterized in that: Guide grooves (6) are provided on both sides of the screening box (1), and guide blocks (19) are fixedly connected to both sides of the screening bucket (4), and the guide blocks (19) on both sides of the screening bucket (4) are slidably connected to the two guide grooves (6).

3. The recycled concrete powder and steel bar screening device according to claim 1, characterized in that: The cross section of the debris discharge bucket (13) is a U-shaped structure, and guide bars (21) are fixedly connected to both sides of the debris discharge bucket (13), and the guide bars (21) of the debris discharge bucket (13) are slidably connected to guide grooves correspondingly provided on the inner side surface of the clearance opening (20).

4. The recycled concrete powder and steel bar screening device according to claim 1, characterized in that: A first dust hood (14) is installed on the inner wall of the impurity removal shell (10) corresponding to the clearance opening (20), and a second dust hood (15) is installed on the inner wall of the screening box (1) corresponding to the adsorption frame (8). Both the first dust hood (14) and the second dust hood (15) are connected to an external dust removal device through a dust collection pipeline.

5. The recycled concrete powder and steel bar screening device according to claim 1, characterized in that: The adsorption frame (8) is formed by welding a metal panel and metal square columns arranged at the four corners of its bottom surface, and two second electromagnets (22) are arranged on the metal panel of the adsorption frame (8).

6. The recycled concrete powder and steel bar screening device according to claim 1, characterized in that: Two guide rods (16) are arranged in parallel at the left end of the screening bucket (4), and a limiting disc is arranged at one end of the two guide rods (16) extending out of the screening box (1).

7. The recycled concrete powder and steel bar screening device according to claim 1, characterized in that: A rectangular opening is provided on the left side of the top surface of the screening box (1) corresponding to the impurity removal shell (10), and the rectangular opening is located directly below the first electromagnet (12).

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