A classification and screening device for building materials

Abstract

The utility model provides a classification and screening device for building materials, relates to the technical field of building material screening devices, and solves the problem that it is troublesome to take materials by loosening the fixing nut, and long-term operation in this way is likely to cause the fixing nut to slip, and then cause the screening frame to slide out easily. The utility model comprises a base, and two groups of tracks are symmetrically installed on the top surface of the base, a slider is provided in the track, a box is provided on the top of the slider, and multiple groups of screening frames are provided in the box, L-shaped mounting blocks are provided on both sides of the screening frame through nuts, and fixing blocks are provided on both sides of the box, the L-shaped mounting block and the fixing block are connected by a clamping assembly, and the clamping assembly comprises a chamber two provided in the fixing block and a chamber one provided with the L-shaped mounting block, a group of springs one is provided in the chamber one, a limiting plate one is provided on one side of the spring one, and a shell is provided on the other side of the limiting plate one, and spring two is provided inside the shell.

Description

Technical Field

[0001] The utility model belongs to the technical field of building material screening equipment, and more specifically, particularly relates to a classification and screening equipment for building materials. Background Art

[0002] Building materials are various materials used in construction projects. There are many kinds of building materials, which can be roughly divided into: inorganic materials, including metal materials (including ferrous metal materials and non-ferrous metal materials) and non-metallic materials (such as natural stone, burnt earth products, cement, concrete and silicate products, etc.); organic materials, including plant materials, synthetic polymer materials (including plastics, coatings, adhesives) and asphalt materials; composite materials, including asphalt concrete, polymer concrete, etc., which are generally composed of inorganic non-metallic materials and organic materials; Among them, Chinese patent number: CN202320266748.0 discloses a classification and screening device for building materials, including a base, two groups of tracks are symmetrically installed on the top surface of the base, and the surface of each group of the tracks is slidably installed with a slider, and the tops of the two groups of the sliders are installed with a box body, and multiple groups of screening frames are arranged inside the box body, and the ends of each group of the screening frames are installed with end plates, and multiple groups of threaded rods are installed on the left surface of the box body, and the surface of each group of the threaded rods is provided with a baffle, and the surface of each group of the threaded rods and the outer side of the baffle are threadedly installed with a fixing nut, and the right surface of the box body is installed with multiple groups of connecting rods. This type of building material classification and screening equipment solves the problem that sand and gravel in commonly used equipment are exposed to the air, a large amount of dust is generated during the screening process, which has a great impact on the health of operators. At the same time, it is inconvenient to remove materials after the screening is completed.

[0003] Based on the above, the inventors found the following problems: in the above patent, the reciprocating movement is achieved through the design of the eccentric wheel, which greatly improves the screening efficiency, and its structure is simple and easy to implement, but the baffle is fixed to the surface of the end plate by a fixing nut, and the subsequent material removal requires loosening the fixing nut, which is rather troublesome, and long-term operation in this way can easily cause the fixing nut to slip, which in turn causes the screening frame to slip out easily. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a classification and screening device for building materials to solve the problem that it is troublesome to take materials by loosening the fixing nuts, and long-term operation in this way may easily cause the fixing nuts to slip, thereby causing the screening frame to slip out.

[0005] The purpose and function of the building material classification and screening equipment of the utility model are achieved by the following specific technical means:

[0006] A classification and screening device for building materials, comprising a base, wherein two groups of tracks are symmetrically installed on the top surface of the base, a slider is arranged in the track, a box is arranged on the top of the slider, a plurality of screening frames are arranged in the box, L-shaped mounting blocks are arranged on both sides of the screening frames through nuts, and fixed blocks are arranged on both sides of the box, the L-shaped mounting blocks and the fixed blocks are connected by a clamping assembly, the clamping assembly comprises a chamber 2 provided inside the fixed block and a chamber 1 provided with the L-shaped mounting block, a group of springs 1 is arranged in the chamber 1, a limiting plate 1 is arranged on one side of the spring 1, a shell is arranged on the other side of the limiting plate 1, a spring 2 is arranged in the shell, a limiting block 2 is arranged on one side of the spring 2, a clamping block is connected on the other side of the limiting block 2, a clamping opening is opened on the side of the fixed block, the clamping opening and the chamber 2 are connected, a clamping block is installed in the clamping opening, a fixing plate is arranged on the top of the base, and a movable rod is arranged on the side of the box, and the other end of the movable rod passes through the fixing plate and is connected to a driving assembly.

[0007] Furthermore, the driving assembly is installed on a motor on the top of the base, a pulley 1 is provided at the output end of the motor, a vertical plate is provided on one side of the motor, and the pulley 1 is installed on one side of the vertical plate, a pulley 2 is installed above the pulley 1, the pulley 1 and the pulley 2 are connected by a belt, the other end of the pulley 2 passes through the vertical plate through a coupling and is connected to an eccentric wheel for transmission, and one side of the eccentric wheel is connected by a rotating rod and a movable rod.

[0008] Furthermore, the nut is provided with a group of wedge-shaped washers, and the group of wedge-shaped washers are meshed with each other.

[0009] Furthermore, a feed port is provided on the top of the box body, and a top cover is provided on the top of the feed port.

[0010] Furthermore, a plurality of groups of the screening frames are provided with screens, and the apertures of the screens are distributed in order from large to small.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. Through the cooperation of spring 1, limit plate 1 and shell, the other side of the shell fits the side wall of chamber 1, and under the action of limit block 2 and spring 2, the snap block and the snap opening are fixed to prevent the screening frame from slipping out during the vibration screening process, and the operation is easy and convenient.

[0013] 2. Two sets of wedge-shaped washers are provided at the bottom of the nut. When working, the two sets of wedge-shaped washers move against each other to generate friction, thereby improving the stability of the screening frame during operation and avoiding the problem of nut slipping caused by long-term operation, which in turn causes the screening frame to slip out. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram on the left side of a classification and screening device for building materials of the utility model.

[0015] Figure 2 It is a schematic diagram on the right side of a classification and screening device for building materials of the utility model.

[0016] Figure 3 It is an enlarged schematic diagram of point A of a building material classification and screening device of the utility model.

[0017] Figure 4 It is a cross-sectional view of a clamping assembly of a building material classification and screening device of the utility model.

[0018] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0019] 1. Base; 2. Track; 3. Slider; 4. Box; 5. Screening frame; 6. Nut; 7. L-shaped mounting block; 8. Fixed block; 9. Movable rod; 10. Fixed plate; 11. Motor; 12. Pulley 1; 13. Vertical plate; 14. Pulley 2; 15. Belt; 16. Eccentric wheel; 17. Feed port; 18. Top cover; 501. Screen; 601. Wedge-shaped gasket; 701. Chamber 1; 702. Spring 1; 703. Limiting plate 1; 704. Shell; 705. Spring 2; 706. Limiting block 2; 707. Clamping block; 801. Chamber 2; 802. Clamping port. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Example:

[0024] As attached Figure 1 To Attachment Figure 4 As shown:

[0025] The utility model provides a classification and screening device for building materials, comprising a base 1, wherein two groups of tracks 2 are symmetrically installed on the top surface of the base 1, wherein a slider 3 is arranged inside the track 2, wherein a box body 4 is arranged on the top of the slider 3, wherein a plurality of screening frames 5 are arranged inside the box body 4, wherein L-shaped mounting blocks 7 are arranged on both sides of the screening frames 5 through nuts 6, and wherein fixing blocks 8 are arranged on both sides of the box body 4, wherein the L-shaped mounting blocks 7 and the fixing blocks 8 are connected through a snap-fit ​​assembly, wherein the snap-fit ​​assembly comprises a chamber 2 801 provided inside the fixing block 8 and a chamber 1 701 provided with the L-shaped mounting block 7, wherein a group of springs 1 702 is arranged inside the chamber 1 701, wherein a limiting plate 1 703 is arranged on one side of the springs 1 702, wherein a shell body 704 is arranged on the other side of the limiting plate 1 703, wherein a spring 2 705 is arranged inside the shell body 704, wherein A limit block 2 706 is provided on one side of the spring 2 705, and a snap-fit ​​block 707 is connected to the other side of the limit block 2 706, and a snap-fit ​​opening 802 is opened on the side of the fixed block 8, and the snap-fit ​​opening 802 is connected with the chamber 2 801, and the snap-fit ​​opening 802 is installed in the snap-fit ​​opening 802. A fixed plate 10 is provided on the top of the base 1, and a movable rod 9 is provided on the side of the box body 4, and the other end of the movable rod 9 passes through the fixed plate 10 and is connected with a driving assembly. Through the cooperation of the spring 1 702, the limit plate 1 703 and the shell 704, the other side of the shell 704 fits the side wall of the chamber 1 701, and under the action of the limit block 2 706 and the spring 2 705, the snap-fit ​​block 707 is fixed to the snap-fit ​​opening 802, so as to prevent the screening frame 5 from slipping out during the vibration screening process, and the operation is convenient and very convenient.

[0026] Among them, the driving component is installed on the motor 11 on the top of the base 1, and the output end of the motor 11 is provided with a pulley 12, and a vertical plate 13 is provided on one side of the motor 11, and the pulley 12 is installed on one side of the vertical plate 13, and a pulley 2 14 is installed above the pulley 12, and the pulley 12 and the pulley 2 14 are connected by a belt 15, and the other end of the pulley 2 14 passes through the vertical plate 13 through a coupling and is connected to an eccentric wheel 16 for transmission, and one side of the eccentric wheel 16 is connected by a rotating rod and a movable rod 9.

[0027] Among them, the nut 6 is equipped with a group of wedge-shaped gaskets 601, and a group of wedge-shaped gaskets 601 are meshed with each other. Two groups of wedge-shaped gaskets 601 are provided at the bottom of the nut 6. During operation, the two groups of wedge-shaped gaskets 601 move against each other to generate friction, thereby improving the stability of the screening frame 5 during operation and avoiding the problem that the nut 6 may be easily stripped due to long-term operation, thereby causing the screening frame 5 to slip out.

[0028] A feed inlet 17 is disposed on the top of the box body 4 , and a top cover 18 is disposed on the top of the feed inlet 17 .

[0029] Among them, a plurality of groups of the screening frames 5 are provided with screens 501, and the apertures of the screens 501 are distributed in a descending order.

[0030] The specific usage and function of this embodiment are as follows:

[0031] First, check the integrity of the device, then install the device on a horizontal plane, then open the top cover 18, pour the building materials that need to be classified and screened into the device, and then start the motor 11. Driven by the eccentric wheel 16, the box body 4 reciprocates along the track 2 through the slider 3 to achieve the screening function. Through the cooperation of the spring 1 702, the limit plate 1 703 and the shell 704, the other side of the shell 704 fits the side wall of the chamber 1 701, and under the action of the limit block 2 706 and the spring 2 705, the snap block 707 is fixed to the snap opening 802 to prevent the screening frame 5 from slipping out during the vibration screening process. The operation is convenient and very convenient. The bottom of the nut 6 is provided with There are two groups of wedge-shaped gaskets 601. When working, the two groups of wedge-shaped gaskets 601 move against each other to generate friction, thereby improving the stability of the screening frame 5 during operation and avoiding the problem that the nut 6 may slip due to long-term operation, thereby causing the screening frame 5 to slip out easily. After the screening is completed, the snap block 707 can be pushed toward the side close to the spring 2 705, and then the snap block 707 can be pressed toward the side of the spring 1 702, so that the snap block 707 is retracted into the chamber 1 701 through the snap opening 802, and finally the screening frame 5 can be pulled out to take out. The screen meshes 501 of the screening frame 5 are distributed in order from large to small, so that the building materials that need to be screened can be classified and stored.

[0032] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

Claims

1. A building material classification and screening device, comprising a base (1), characterized in that: Two groups of tracks (2) are symmetrically mounted on the top surface of the base (1), a slider (3) is arranged inside the track (2), a box (4) is arranged on the top of the slider (3), a plurality of screening frames (5) are arranged inside the box (4), L-shaped mounting blocks (7) are arranged on both sides of the screening frames (5) through nuts (6), and fixed blocks (8) are arranged on both sides of the box (4), the L-shaped mounting blocks (7) and the fixed blocks (8) are connected through a snap-fit ​​assembly, the snap-fit ​​assembly comprises a chamber 2 (801) provided inside the fixed block (8) and a chamber 1 (701) provided with the L-shaped mounting block (7), a group of springs 1 (702) is arranged inside the chamber 1 (701), and a limiting plate is arranged on one side of the spring 1 (702). One (703), a shell (704) is provided on the other side of the limit plate one (703), a spring two (705) is provided inside the shell (704), a limit block two (706) is provided on one side of the spring two (705), a locking block (707) is connected to the other side of the limit block two (706), and a locking opening (802) is opened on the side of the fixed block (8), the locking opening (802) and the chamber two (801) are connected, and the locking block (707) is installed in the locking opening (802), a fixed plate (10) is provided on the top of the base (1), and a movable rod (9) is provided on the side of the box body (4), and the other end of the movable rod (9) passes through the fixed plate (10) and is connected to a driving component.

2. A building material classification and screening device as claimed in claim 1, characterized in that: The driving assembly is mounted on a motor (11) at the top of the base (1); a pulley 1 (12) is provided at the output end of the motor (11); a vertical plate (13) is provided on one side of the motor (11); and the pulley 1 (12) is mounted on one side of the vertical plate (13); a pulley 2 (14) is mounted above the pulley 1 (12); the pulley 1 (12) and the pulley 2 (14) are connected via a belt (15); the other end of the pulley 2 (14) penetrates the vertical plate (13) through a coupling and is transmission-connected to an eccentric wheel (16); one side of the eccentric wheel (16) is connected via a rotating rod and a movable rod (9).

3. A building material classification and screening device as claimed in claim 1, characterized in that: The nut (6) is provided with a set of wedge-shaped washers (601), and the set of wedge-shaped washers (601) are meshed with each other.

4. A building material classification and screening device as claimed in claim 1, characterized in that: A feed inlet (17) is provided on the top of the box body (4), and a top cover (18) is provided on the top of the feed inlet (17).

5. A building material classification and screening device as claimed in claim 1, characterized in that: A plurality of groups of the screening frames (5) are provided with screens (501), and the apertures of the screens (501) are distributed in order from large to small.

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