Aggregate screening device capable of removing magnetic substances for concrete

Abstract

The aggregate screening device comprises a screening box, a screen, a spring and a supporting frame, a feeding port and a discharging port are formed in the top end and the bottom end of the screening box respectively, the screen is fixedly installed in the screening box, a material receiving structure is arranged above the screen, and the supporting frame is arranged above the screen. A demagnetizing structure is arranged above the material receiving structure, stabilizing structures are installed at the top end and the bottom end of the outer side of the screening box correspondingly, springs are arranged on the outer sides of the stabilizing structures, the upper ends and the lower ends of the springs are fixedly connected with a supporting frame and the screening box correspondingly, and the supporting frame is connected to the ends, away from the screening box, of the stabilizing structures; and a feeding pipe is fixedly mounted in a transverse plate of the supporting frame. According to the concrete aggregate screening device capable of removing the magnetic objects, the magnetic objects can be picked out through the demagnetizing structure, the screening box and the supporting frame are connected more stably through the stabilizing structure, the magnetic objects in the magnetic attraction assembly are conveniently collected through the material receiving structure, and later treatment is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete technical field, concretely is a kind of aggregate screening device for concrete with magnetic material removal. BACKGROUND

[0002] Aggregate screening device for concrete is an important equipment for building industry, its main role is to separate and classify aggregate (such as sand, gravel, etc.) of different particle sizes to meet the requirements of aggregate particle size for concrete preparation.

[0003] Referring to Chinese patent authorized announcement No.CN222058051U, authorized announcement day is November 26, 2024, a kind of screening device for concrete aggregate is disclosed, it is related to screening device for concrete aggregate technical field, including screening box, the support is arranged on the upper end of screening box, the inlet is arranged on the upper end of support, the movable frame is arranged in the inlet, the second motor is arranged on the right side of movable frame, the vibration motor is arranged on the right side of screening box, the transmission rod is arranged on the right side of vibration motor, the counterweight is arranged on the right side of transmission rod, the box door is arranged on the port front of screening box, two groups of discharge guide frame are arranged on the left side of screening box, the second filter screen frame and the first filter screen frame are arranged in the screening box, two groups of screw rods are arranged on the upper end of inlet and the first filter screen frame.The screening device for concrete aggregate of the utility model can accelerate the screening process by vibration, the connecting structure of spring helps to buffer the impact force generated by vibration of screening box, and the user can replace the filter screen conveniently.

[0004] Among the above prior art, the following technical problems exist: the existing aggregate screening device for concrete is not convenient for screening magnetic articles, and the magnetic screening efficiency needs to be improved, and it is not convenient to take out the magnetic material from the demagnetization structure; the spring at the top of the screening box is connected to the bottom of the support frame cross plate, and the screening box is not stable during the screening process, and the weight of the screening box increases during the screening process, so the spring may break, thereby affecting use; therefore, we propose an aggregate screening device for concrete with magnetic material removal to solve the problems in the above background. UTILITY MODEL CONTENTS

[0005] The utility model is aimed at providing an aggregate screening device for concrete with magnetic material removal to solve the problems in the above background that the existing aggregate screening device for concrete is not convenient for screening magnetic articles, and the magnetic screening efficiency needs to be improved, and it is not convenient to take out the magnetic material from the demagnetization structure; the spring at the top of the screening box is connected to the bottom of the support frame cross plate, and the screening box is not stable during the screening process, and the weight of the screening box increases during the screening process, so the spring may break, thereby affecting use.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of aggregate screening device for concrete with magnetic material removal, including screening box, screen cloth, spring and support frame, the top end and bottom end of the screening box are respectively provided with feed inlet and discharge outlet, screen cloth is fixedly installed in the screening box, the upper of screen cloth is provided with material receiving structure, the upper of material receiving structure is provided with demagnetization structure, the top end and bottom end of the outer side of screening box are all installed with stable structure, the outer side of stable structure is provided with spring, the upper and lower ends of spring are respectively fixedly connected with support frame and screening box, the end of stable structure away from screening box is connected with support frame, the inner fixed mounting of support frame horizontal plate is provided with feed pipe, the feed pipe is arranged in feed inlet, the outer side of screening box is installed with vibration assembly, the front side of screening box is rotatably connected with box door.

[0007] Preferably, the demagnetization structure includes a rotary motor, a gear and a gear ring, the rotary motor output end is fixedly connected with the gear, the gear is meshingly connected with the gear ring.

[0008] Preferably, the gear ring bottom is fixedly connected with the magnetic attraction assembly, and the gear and the gear ring are rotatably connected in the connecting ring.

[0009] Preferably, the rotary motor is fixedly installed in the connecting ring.

[0010] Preferably, the material receiving structure includes a material box, a clamping block and a handle, the outer side of the material box is fixedly connected with the handle at the front end, the outer side of the material box is fixedly installed with the clamping block at the left and right ends, the clamping block is arranged in the groove in the inner wall of the screening box, and the material box is arranged at the top end of the screen cloth.

[0011] Preferably, the stable structure includes an outer rod and an inner rod, and the inner rod is slidably connected in the outer rod.

[0012] Preferably, the top end of the plate fixedly connected with the outer rod is fixedly connected with the outer rod at the top end of the outer side of the screening box and the vertical rod of the support frame, and the inner rod is fixedly connected with the inner rod at the bottom of the horizontal plate of the support frame and the bottom of the outer side of the screening box.

[0013] Compared with the prior art, the aggregate screening device for concrete with magnetic material removal has the following beneficial effects: the demagnetization structure can pick out magnetic objects, the stable structure makes the connection between the screening box and the support frame more stable, and the material receiving structure facilitates the collection of magnetic objects in the magnetic attraction assembly for later processing.

[0014] 1. The demagnetization structure is provided, the magnetic attraction assembly generates a magnetic field by energizing the electromagnetic coil, the magnetic field strength can be controlled by adjusting the current size, and the magnetic field can also be completely closed, so that the magnetic attraction assembly can be magnetized and demagnetized;

[0015] Further, the gear drives the gear ring to rotate, the gear ring drives the magnetic attraction assembly to rotate, so that the magnetic articles are more evenly distributed, thereby avoiding the articles from being accumulated in one place, and the use efficiency of the device is improved.

[0016] 2. The stable structure is provided, the support frame and the screening box are connected through two rods, the upper outer rod and the inner rod improve the connection stability of the top of the outer side of the screening box and the bottom of the horizontal plate of the support frame, and the lower outer rod, the inner rod and the spring provide a supporting force for the screening box, so that the connection stability of the screening box and the support frame is further improved.

[0017] 3. The material receiving structure is provided, the clamping blocks arranged at the left and right ends of the material box are clamped and connected in the grooves arranged at the left and right ends of the inner wall of the screening box, so that the material box can be stably placed in the screening box, and the magnetic articles in the magnetic attraction assembly can be conveniently collected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a top view cut structure schematic view of the utility model;

[0020] Figure 3 It is a front view structure schematic view of the utility model;

[0021] Figure 4 It is a demagnetization structure schematic view of the utility model;

[0022] Figure 5 It is a stable structure schematic view of the utility model;

[0023] Figure 6 It is a material receiving structure schematic view of the utility model.

[0024] In the drawing: 1, screening box; 2, screen; 3, demagnetization structure; 301, rotating motor; 302, gear; 303, gear ring; 304, magnetic attraction assembly; 305, connecting ring; 4, material receiving structure; 401, material box; 402, clamping block; 403, handle; 5, stable structure; 501, outer rod; 502, inner rod; 6, spring; 7, vibration assembly; 8, support frame; 9, feeding pipe; 10, box door. DETAILED DESCRIPTION

[0025] 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.

[0026] Please refer to Figures 1-6 The utility model provides the following technical scheme:

[0027] Embodiment one: a kind of concrete aggregate screening device of magnetic material removal, including screening box 1, screen 2, spring 6 and support frame 8, screening box 1 top and bottom are respectively provided with feed inlet and discharge outlet, screen 2 is fixedly installed in screening box 1, screen 2 top is provided with material receiving structure 4, material receiving structure 4 top is provided with demagnetization structure 3, stable structure 5 is installed at the top of the outer side of screening box 1, spring 6 is provided on the outer side of stable structure 5, the upper and lower ends of spring 6 are fixedly connected with support frame 8 and screening box 1 respectively, the end of stable structure 5 away from screening box 1 is connected with support frame 8, support frame 8 horizontal plate is fixedly installed with feed pipe 9, feed pipe 9 is arranged in feed inlet, vibration assembly 7 is installed at the outer side of screening box 1, box door 10 is rotatably connected to the front side of screening box 1;

[0028] First, open demagnetization structure 3, as shown in Figure 2 And Figure 4 , demagnetization structure 3 includes rotating motor 301, gear 302, gear ring 303 and magnetic attraction assembly 304 and connecting ring 305, start rotating motor 301, rotating motor 301 output end is fixedly connected with gear 302, rotating motor 301 drives gear 302 to rotate, gear 302 is connected with gear ring 303, gear 302 drives gear ring 303 to rotate, gear ring 303 bottom is fixedly connected with magnetic attraction assembly 304, gear ring 303 drives magnetic attraction assembly 304 to rotate, magnetic attraction assembly 304 is annular, the magnetic material distribution in the adsorption of magnetic attraction assembly 304 is more uniform, improves use efficiency, magnetic attraction assembly 304 is electromagnetic dry magnetic separation, electromagnetic dry magnetic separation generates magnetic field by energizing electromagnetic coil, and the magnetic field intensity can be controlled by adjusting the current size, and even the magnetic field can be completely closed;

[0029] The aggregate that needs screening is placed from feed pipe 9, the bottom outside of feed pipe 9 is arranged in the feed inlet at the top of screening box 1, so that the aggregate falls into screening box 1, after magnetic attraction assembly 304, the magnetic material is adsorbed in magnetic attraction assembly 304, and the non-magnetic article falls to screen 2, and the smaller non-magnetic article passes through screen 2 and goes out from the discharge outlet at the bottom end of screening box 1, and the larger non-magnetic article remains at the top end of screen 2;

[0030] Vibration assembly 7 is opened at the same time, and vibration assembly 7 includes vibration motor and counterweight, and the vibration motor of vibration assembly 7 is installed at the left end of the outer side of screening box 1, and the vibration motor of vibration assembly 7 drives the vibration of counterweight, and the whole screening box 1 is displaced up and down in support frame 8 by spring 6;

[0031] As Figure 1 , Figure 2 And Figure 5As shown, the stable structure 5 includes outer rods 501 and inner rods 502, the outer rods 501 are fixedly connected to the top ends of the plate members fixedly connected between the top ends of the outer sides of the screening box 1 and the vertical rods of the support frame 8, the inner rods 502 are fixedly connected to the bottom ends of the horizontal plates of the support frame 8 and the outer sides of the screening box 1, springs 6 are arranged outside the two outer rods 501 and the inner rods 502, when the screening box 1 vibrates up and down, the inner rods 502 slide in the outer rods 501, the stable structure 5 and the springs 6 at the bottom provide a supporting force for the screening box 1, so that the screening box 1 is not disconnected from the support frame 8, thereby improving the stability of the connection between the screening box 1 and the support frame 8.

[0032] When the magnetic assembly 304 has adsorbed a large number of magnetic articles, all the power equipment is turned off, the box door 10 rotatably connected to the front side of the screening box 1 is opened, the larger aggregate at the top end of the screen 2 is cleaned, the material receiving structure 4 is put in, such as Figure 2 and Figure 6 As shown, the material receiving structure 4 includes a material box 401, clamping blocks 402 and a handle 403, the clamping blocks 402 are fixedly installed on the left and right ends of the outer side of the material box 401, the clamping blocks 402 are inserted into the grooves on the left and right sides in the screening box 1, so that the material box 401 is located directly above the magnetic assembly 304, the magnetic assembly 304 is demagnetized through the controller, so that the magnetic articles in the magnetic assembly 304 fall into the material box 401, after the collection of the magnetic articles in the magnetic assembly 304 is completed, the handle 403 is fixedly connected to the front end of the outer side of the material box 401, the handle 403 is held to pull out the material box 401, the material box 401 is arranged at the top end of the screen 2, thereby further improving the stability of the material box 401.

[0033] The above completes a series of operations of the concrete aggregate screening device capable of removing magnetic articles, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0034] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A removable magnetic material concrete aggregate screening device, comprising a screening box (1), a screen (2), a spring (6) and a support frame (8), characterized in that: The top end and the bottom end of the screening box (1) are respectively provided with an inlet and an outlet, a screen (2) is fixedly installed in the screening box (1), a receiving structure (4) is arranged above the screen (2), a demagnetization structure (3) is arranged above the receiving structure (4), a stable structure (5) is installed at the top end and the bottom end of the outside of the screening box (1), a spring (6) is arranged outside the stable structure (5), the upper end and the lower end of the spring (6) are respectively fixedly connected with a support frame (8) and a screening box (1), the end of the stable structure (5) away from the screening box (1) is connected with a support frame (8), an inlet pipe (9) is fixedly installed in the horizontal plate of the support frame (8), the inlet pipe (9) is arranged in the inlet, a vibration assembly (7) is installed outside the screening box (1), and a box door (10) is rotatably connected to the front side of the screening box (1).

2. A magnetic material removable aggregate screening device for concrete as claimed in claim 1 wherein: The demagnetization structure (3) comprises a rotary motor (301), a gear (302) and a gear ring (303), the output end of the rotary motor (301) is fixedly connected with the gear (302), and the gear (302) is meshedly connected with the gear ring (303).

3. A magnetic material removable aggregate screening device for concrete as claimed in claim 2, wherein: The bottom of the gear ring (303) is fixedly connected with a magnetic attraction assembly (304), and the gear (302) and the gear ring (303) are rotatably connected in a connecting ring (305).

4. A magnetic material removable aggregate screening device for concrete according to claim 3, wherein: The rotary motor (301) is fixedly installed in the connecting ring (305).

5. A magnetic material removable aggregate screening device for concrete according to claim 1, characterized in that: The receiving structure (4) comprises a tank (401), a clamping block (402) and a handle (403), the outside of the front end of the tank (401) is fixedly connected with the handle (403), the outside of the left and right ends of the tank (401) is fixedly installed with the clamping block (402), the clamping block (402) is arranged in the groove in the inner wall of the screening box (1), and the tank (401) is arranged at the top end of the screen (2).

6. A magnetic material removable aggregate screening device for concrete according to claim 1, characterized in that: The stable structure (5) comprises an outer rod (501) and an inner rod (502), and the inner rod (502) is slidably connected in the outer rod (501).

7. A magnetic material removing aggregate screening device for concrete according to claim 1, characterized in that: The top end of the plate fixedly connected with the outer rod (501) is fixedly connected with the inner rod (502) on the top end of the outside of the screening box (1) and the inside of the vertical rod of the support frame (8), and the bottom of the horizontal plate of the support frame (8) and the bottom end of the outside of the screening box (1) are fixedly connected with the inner rod (502).

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