Classification sand screening machine for constructional engineering

Abstract

The utility model discloses a grading sand screening machine for constructional engineering, which relates to the technical field of constructional engineering and comprises a casing and a PLC (programmable logic controller), and the inside of the casing is divided into a feeding bin, a primary screening bin, a secondary screening bin and a collecting bin by partition plates; the feeding bin is communicated with the outside through the feeding port, the other end of the feeding bin is communicated with an inlet of the first-stage screening bin, an outlet of the first-stage screening bin is communicated with the first discharging port, the first-stage screening bin is communicated with the second-stage screening bin below the first-stage screening bin through the screening drum, and an outlet of the second-stage screening bin is communicated with the second discharging port. The second-stage screening bin communicates with a collecting bin below the second-stage screening bin through a screen, an outlet of the collecting bin communicates with the third discharging port, and the PLC is arranged on the front face of the machine shell. The intelligent sand screening machine is high in intelligent degree, the multiple screening bins are arranged, impurities in sand are removed, and the sand is collected in a separated mode according to different particle sizes; the whole device is of a closed structure, raised dust generated during working is effectively reduced, the environment can be protected, and harm to health of constructors is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a grading sand screening machine for construction engineering. Background Art

[0002] Sand is an indispensable material in construction projects. The quality and performance of materials such as concrete and mortar used in construction projects are often affected by the particle size of sand. Sand screening machines can effectively screen sand to ensure that the sand used in construction projects is of high quality and free of impurities, thereby improving the overall quality of construction materials. However, most existing sand screening machines can only perform one screening, which only removes impurities from the sand and cannot classify the sand according to particle size, resulting in low sand utilization.

[0003] Therefore, how to provide a grading sand screening machine for construction projects that can not only remove impurities in the sand but also separate and collect the sand according to different particle sizes has become a technical problem that needs to be urgently solved by people in this field. Utility Model Content

[0004] The utility model aims to provide a grading sand screening machine for construction engineering, which solves the problem that sand cannot be classified according to particle size.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses a grading sand screening machine for construction engineering, comprising a casing and a PLC controller, wherein the interior of the casing is divided into a feeding bin, a primary screening bin, a secondary screening bin and a collecting bin by a partition;

[0007] The casing is provided with a feed port and multiple discharge ports, the feeding bin is connected to the outside through the feed port, the other end of the feeding bin is connected to the inlet of the primary screening bin, the outlet of the primary screening bin is connected to the first discharge port on the casing, the primary screening bin is connected to the secondary screening bin located below, the outlet of the secondary screening bin is connected to the second discharge port on the casing, the secondary screening bin is connected to the collecting bin located below, the outlet of the collecting bin is connected to the third discharge port on the casing, the PLC controller is arranged on the front side of the casing, and the driving parts in the feeding bin, the primary screening bin, the secondary screening bin and the collecting bin are all electrically connected to the PLC controller.

[0008] Preferably, the feed port is located at the top of the casing, the second discharge port is located at the front of the casing, the first discharge port and the third discharge port are respectively located at both sides of the casing, and a plurality of brackets are arranged at the bottom of the casing.

[0009] Preferably, a first conveyor belt is provided at the bottom of the feeding bin, the first conveyor belt is driven by a built-in motor, and the first conveyor belt is electrically connected to the PLC controller.

[0010] Preferably, the first-level screening bin includes a rotating motor, a rotating shaft and a screen drum; the screen drum is arranged at an angle, the end of the first conveyor belt is close to the feed end of the screen drum, the discharge end of the screen drum is located above the first discharge port, the rotating shaft is located at the axis of the screen drum and is connected to the screen drum through a plurality of connecting rods, one end of the rotating shaft is connected to the rotating motor, the other end of the rotating shaft is rotatably connected to the casing, and the rotating motor is electrically connected to the PLC controller.

[0011] Preferably, the secondary screening bin includes a vibration motor, a mounting frame, a spring, a screen and a collecting trough; the screen is arranged obliquely just below the screen cylinder, the screen is connected to the casing through the spring, the mounting frame is installed below one side of the screen, the vibration motor is installed on the mounting frame, the discharge end of the screen is located above the collecting trough, the collecting trough is arranged obliquely, the lower end of the collecting trough is connected to the second discharge port, and the vibration motor is electrically connected to the PLC controller.

[0012] Preferably, a second conveyor belt is provided at the bottom of the collecting bin, the second conveyor belt is located directly below the screen, the output end of the second conveyor belt is located at the third discharge port, the second conveyor belt is electrically connected to the PLC controller, and the second conveyor belt is driven by a built-in motor.

[0013] Preferably, the aperture of the sieve is smaller than the aperture of the sieve cylinder.

[0014] Compared with the prior art, the beneficial technical effects of the utility model are:

[0015] The utility model discloses a grading sand screening machine for construction engineering, comprising a casing and a PLC controller, wherein the interior of the casing is divided into a feeding bin, a primary screening bin, a secondary screening bin and a collecting bin; the casing is provided with a feeding port, a first discharging port, a second discharging port, a third discharging port and a bracket; the feeding bin is provided with a first conveyor belt; the primary screening bin comprises a rotating motor, a rotating shaft and a screen drum; the collecting bin is provided with a second conveyor belt;

[0016] 1) It is equipped with a primary screening bin and a secondary screening bin. The screen drum has high working efficiency, large processing capacity, and violent movement. It can break up the agglomerated sand, which is suitable for primary screening and screening out impurities. The screen has high processing accuracy and is suitable for further screening. It can separate and collect sand according to different particle sizes, which is conducive to making full use of the sand.

[0017] 2) It is equipped with a PLC controller with a high degree of automation, which can adjust the working conditions of each motor and conveyor belt, thereby adjusting the feeding speed and discharging speed;

[0018] 3) The overall closed structure can effectively reduce the dust generated during the screening process, protect the environment, and effectively reduce the health hazards to construction workers.

[0019] The utility model discloses a grading sand screening machine for construction engineering. It has a high degree of intelligence and is provided with multiple screening bins. It can remove debris from sand and collect sand separately according to different particle sizes, which is conducive to full utilization of sand and can freely adjust the feeding speed and the discharging speed. The overall closed structure can effectively reduce dust generated during work and can protect the environment, thereby effectively reducing health hazards to construction workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model will be further described below in conjunction with the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of a grading sand screening machine for construction engineering of the utility model;

[0022] Figure 2 It is a cross-sectional view of the utility model of a graded sand screening machine for construction engineering.

[0023] Explanation of the reference numerals: 1. Casing; 2. Feeding bin; 3. Primary screening bin; 4. Secondary screening bin; 5. Collecting bin; 6. PLC controller; 101. Feed inlet; 102. First discharge outlet; 103. Second discharge outlet; 104. Third discharge outlet; 105. Bracket; 201. First conveyor belt; 301. Rotating motor; 302. Rotating shaft; 303. Screen drum; 401. Vibrating motor; 402. Mounting bracket; 403. Spring; 404. Screen; 405. Collecting trough; 501. Second conveyor belt. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] like Figure 1-2 As shown, a grading sand screening machine for construction engineering includes a housing 1 and a PLC controller 6. The interior of the housing 1 is divided into a feeding bin 2, a primary screening bin 3, a secondary screening bin 4 and a collecting bin 5 by a partition.

[0026] The casing 1 is provided with a feed port 101 and a plurality of discharge ports, the feeding bin 2 is connected with the outside through the feed port 101, the other end of the feeding bin 2 is connected with the inlet of the primary screening bin 3, the outlet of the primary screening bin 3 is connected with the first discharge port 102 on the casing 1, the primary screening bin 3 is connected with the secondary screening bin 4 located below, the outlet of the secondary screening bin 4 is connected with the second discharge port 103 on the casing 1, the secondary screening bin 4 is connected with the collecting bin 5 located below, the outlet of the collecting bin 5 is connected with the third discharge port 104 on the casing 1, the PLC controller 6 is arranged on the front of the casing 1, and the driving parts in the feeding bin 2, the primary screening bin 3, the secondary screening bin 4 and the collecting bin 5 are all electrically connected with the PLC controller 6.

[0027] Specifically, the feed port 101 is located at the top of the casing 1, the second discharge port 103 is located at the front of the casing 1, the first discharge port 102 and the third discharge port 104 are respectively located on both sides of the casing 1, and a plurality of brackets 105 are provided at the bottom of the casing 1; larger impurities are discharged from the first discharge port 102, larger sand is discharged from the second discharge port 103, and smaller sand is discharged from the third discharge port 104; impurities, large-grained sand, and small-grained sand can be collected separately at one time, and the three discharge ports are located at different positions, which is conducive to subsequent collection and use.

[0028] Specifically, a first conveyor belt 201 is provided at the bottom of the feeding bin 2, and the first conveyor belt 201 is driven by a built-in motor, and the first conveyor belt 201 is electrically connected to the PLC controller; the sand added to the feeding bin 2 will fall onto the first conveyor belt 201, and then be transported to the screen drum 303.

[0029] Specifically, the primary screening bin 3 includes a rotating motor 301, a rotating shaft 302 and a screen drum 303; the screen drum 303 is arranged obliquely, the end of the first conveyor belt 201 is close to the feeding end of the screen drum 303, and the discharging end of the screen drum 303 is located above the first discharging port 102, the rotating shaft is located at the axis of the screen drum 303 and is connected to the screen drum 303 through a plurality of connecting rods, one end of the rotating shaft 302 is connected to the rotating motor 301, and the other end of the rotating shaft 302 is rotatably connected to the casing 1, and the rotating motor 301 is electrically connected to the PLC controller 6; the rotating motor 301 drives the screen drum 303 to rotate through the rotating shaft 302, and the sand from the feeding bin 2 rotates in the screen drum 303, the agglomerated sand is broken up, and the larger impurities roll down along the inclined screen drum 303 and are discharged through the first discharging port 102; due to its small size, the sand will fall from the screen drum 303 into the secondary screening bin 4.

[0030] Specifically, the secondary screening bin 4 includes a vibration motor 401, a mounting frame 402, a spring 403, a screen 404 and a collection tank 405; the screen 404 is arranged obliquely just below the screen drum 303, the screen 404 is connected to the housing 1 through the spring 403, the mounting frame 402 is installed below one side of the screen 404, the vibration motor 401 is installed on the mounting frame 402, and the discharge end of the screen 404 is located above the collection tank 405. The collecting trough 405 is arranged obliquely, the lower end of the collecting trough 405 is connected to the second discharge port 103, and the vibration motor 401 is electrically connected to the PLC controller 6; the screen 404 vibrates under the drive of the vibration motor 401 to screen the sand above the screen 404, and the sand with small particle size will pass through the screen 404 and fall into the collecting trough bin; the sand with large particle size will move under the action of vibration, and will be collected by the collecting trough 405 and then discharged from the second discharge port 103.

[0031] Specifically, a second conveyor belt 501 is provided at the bottom of the collecting bin 5, the second conveyor belt 501 is located directly below the screen 404, the output end of the second conveyor belt 501 is located at the third discharge port 104, the second conveyor belt 501 is electrically connected to the PLC controller 6, and the second conveyor belt 501 is driven by a built-in motor; the sand falling from the secondary screening bin 4 falls onto the second conveyor belt 501 and is discharged from the third discharge port 104.

[0032] Specifically, the aperture of the sieve 404 is smaller than the aperture of the sieve drum 303; the sieve drum 303 with a larger aperture is used to separate sand from impurities; the sieve 404 with a smaller aperture separates sand of different particle sizes.

[0033] The use process of the utility model is as follows:

[0034] During the preparation process, the device is powered on, and then all driving parts are started through the PLC controller;

[0035] During the working process, sand is added to the feeding bin 2, the sand falls onto the first conveyor belt 201, and is transported to the screen drum 303, the rotating motor 301 drives the screen drum 303 to rotate, the sand from the feeding bin 2 rolls in the screen drum 303, the agglomerated sand is broken up, the larger impurities roll downward along the inclined screen drum 303, and are discharged through the first discharge port 102; the sand, due to its small size, will fall from the screen drum 303 onto the screen 404; the screen 404 is driven by the vibration motor 401 to vibrate in an orderly manner, and the sand with small particle size passes through the screen 404 and falls into the collecting tank bin; the sand with large particle size will move to the collecting tank 405 under the action of gravity and vibration, and will be collected through the collecting tank 405, and then discharged from the second discharge port 103; the sand dropped from the secondary screening bin 4 falls onto the second conveyor belt 501 and is discharged from the third discharge port 104;

[0036] This application can screen out impurities and classify and collect sand according to particle size, which is convenient for subsequent use as needed.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A grading sand screening machine for construction engineering, characterized in that: It comprises a casing (1) and a PLC controller (6), wherein the interior of the casing (1) is divided into a feeding bin (2), a primary screening bin (3), a secondary screening bin (4) and a collecting bin (5) by a partition; The casing (1) is provided with a feed port (101) and a plurality of discharge ports; the feed bin (2) is connected to the outside through the feed port (101); the other end of the feed bin (2) is connected to the inlet of the primary screening bin (3); the outlet of the primary screening bin (3) is connected to the first discharge port (102) on the casing (1); the primary screening bin (3) is connected to the secondary screening bin (4) located below; the outlet of the secondary screening bin (4) is connected to the second discharge port (103) on the casing (1); the secondary screening bin (4) is connected to the collection bin (5) located below; the outlet of the collection bin (5) is connected to the third discharge port (104) on the casing (1); the PLC controller (6) is arranged on the front of the casing (1); the driving components in the feed bin (2), the primary screening bin (3), the secondary screening bin (4) and the collection bin (5) are all electrically connected to the PLC controller (6).

2. The construction engineering graded sand screening machine according to claim 1, characterized in that: The feed port (101) is located at the top of the casing (1), the second discharge port (103) is located at the front of the casing (1), the first discharge port (102) and the third discharge port (104) are respectively located on both sides of the casing (1), and a plurality of brackets (105) are provided at the bottom of the casing (1).

3. The construction engineering graded sand screening machine according to claim 1, characterized in that: A first conveyor belt (201) is arranged at the bottom of the feeding bin (2); the first conveyor belt (201) is driven by a built-in motor; and the first conveyor belt (201) is electrically connected to the PLC controller.

4. The construction engineering graded sand screening machine according to claim 3, characterized in that: The primary screening bin (3) comprises a rotating motor (301), a rotating shaft (302) and a screen drum (303); the screen drum (303) is arranged obliquely, the end of the first conveyor belt (201) is close to the feeding end of the screen drum (303), the discharging end of the screen drum (303) is located above the first discharging port (102), the rotating shaft is located at the axis of the screen drum (303) and is connected to the screen drum (303) through a plurality of connecting rods, one end of the rotating shaft (302) is connected to the rotating motor (301), the other end of the rotating shaft (302) is rotatably connected to the casing (1), and the rotating motor (301) is electrically connected to the PLC controller (6).

5. The construction engineering graded sand screening machine according to claim 4, characterized in that: The secondary screening bin (4) comprises a vibration motor (401), a mounting frame (402), a spring (403), a screen (404) and a collecting trough (405); the screen (404) is arranged obliquely just below the sieve drum (303); the screen (404) is connected to the housing (1) via the spring (403); the mounting frame (402) is installed below one side of the screen (404); the vibration motor (401) is installed on the mounting frame (402); the discharge end of the screen (404) is located above the collecting trough (405); the collecting trough (405) is arranged obliquely; the lower end of the collecting trough (405) is connected to the second discharge port (103); and the vibration motor (401) is electrically connected to the PLC controller (6).

6. The grading sand screening machine for construction engineering according to claim 5, characterized in that: A second conveyor belt (501) is provided at the bottom of the collecting bin (5); the second conveyor belt (501) is located directly below the screen (404); the output end of the second conveyor belt (501) is located at the third discharge port (104); the second conveyor belt (501) is electrically connected to the PLC controller (6); and the second conveyor belt (501) is driven by a built-in motor.

7. The grading sand screening machine for construction engineering according to claim 5, characterized in that: The aperture of the sieve (404) is smaller than the aperture of the sieve cylinder (303).

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