Sand screening machine for constructional engineering

Abstract

The utility model discloses a sand screening machine for constructional engineering in the field of sand screening machines, which comprises a bottom plate, a conveyor, support rods and a support frame, the conveyor is fixedly connected to the middle of the top of the bottom plate, and the support rods are fixedly connected to the left and right parts of the front and rear parts of the top of the bottom plate; the supporting frame is fixedly connected to the left side of the top of the bottom plate, vibrating springs are evenly and fixedly connected to the top of the supporting rod, and a connecting plate is fixedly connected to the top ends of the vibrating springs. And therefore, the square gear ring drives the cleaning brush to move back and forth in a reciprocating mode, the bottom of the screening hopper is cleaned, large-particle impurities are cleaned out of screening holes, the screening holes are prevented from being blocked, sand passing is prevented from being affected, the screening efficiency is prevented from being affected, the screening holes are conveniently cleaned, and the practicability of the device is improved.

Description

Technical Field

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

[0002] In construction projects, sand screening is essential. In the concrete process, sand needs to be screened to remove stones and other debris from the sand to ensure the subsequent concrete mixing work and prevent stones and other debris from damaging the concrete mixing equipment and affecting the quality of the concrete.

[0003] In the current sand screening machine, when the diameter of the impurities and the sieve holes are similar, the sieve holes are easily blocked by the impurities, so that the sand cannot pass through the sieve holes, which makes the screening time longer, easily affects the sand screening efficiency, and is inconvenient to clean the sieve holes. For this reason, we propose a sand screening machine for construction projects. Utility Model Content

[0004] The utility model aims to provide a sand screening machine for construction projects, so as to solve the problem raised in the above-mentioned background technology that in the sand screening process, when the diameters of the impurities and the sieve holes are similar, the sieve holes are easily blocked by impurities, so that sand cannot pass through the sieve holes, which easily affects the sand screening efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sand screening machine for construction engineering, comprising a base plate, a conveyor, a support rod and a support frame, wherein the conveyor is fixedly connected to the middle part of the top of the base plate, the support rod is fixedly connected to the left and right parts of the front and rear parts of the top of the base plate, the support frame is fixedly connected to the left side of the top of the base plate, the top of the support rod is evenly fixedly connected with a vibration spring, the top of the vibration spring is fixedly connected with a connecting plate, a sieve bucket is fixedly connected between the opposite sides of the connecting plates at the front and rear parts, a vibration motor is fixedly connected to the middle part of the front side of the sieve bucket, and a cleaning mechanism is fixedly connected to the bottom of the sieve bucket, and the cleaning mechanism includes A mounting plate, a limit block, a sliding rod, a square gear ring, a cleaning brush, a rotating rod, an incomplete gear and a driving motor are provided. The front and rear sides of the bottom of the screen bucket are fixedly connected with the mounting plates, the middle parts of the left and right ends of the opposite sides of the front and rear mounting plates are fixedly connected with the limit blocks, the inner part of the limit blocks is slidably connected with the sliding rod, the opposite ends of the left and right sliding rods are fixedly connected with the square gear rings, the tops of the front and rear square gear rings are evenly fixedly connected with the cleaning brushes, the middle part between the opposite sides of the front and rear mounting plates is penetrated and rotatably connected with the rotating rod, the outer side walls of the rotating rod are symmetrically fixedly connected with the incomplete gear, and the middle part of the front side of the front mounting plate is fixedly connected with the driving motor.

[0006] As a further description of the above technical solution:

[0007] The conveyor is located at the bottom of the screen bucket, and the outer side of the incomplete gear is connected to the inside of the square gear ring through tooth meshing.

[0008] As a further description of the above technical solution:

[0009] The input end of the driving motor is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor is fixedly connected to the front end of the rotating rod.

[0010] As a further description of the above technical solution:

[0011] The top of the cleaning brush is tightly fitted with the bottom of the sieve bucket.

[0012] As a further description of the above technical solution:

[0013] An intermittent feeding mechanism is fixedly connected to the inner top of the support frame, and the intermittent feeding mechanism includes a storage hopper, a baffle, a discharge port, a connecting seat, a connecting rod, a fixed plate, a rotating motor and a turntable. The inner top of the support frame is fixedly connected to the storage hopper, the bottom of the left and right sides of the storage hopper are slidably connected with baffles, the middle part of the right side of the top of the baffle is penetrated by a discharge port, the middle part of the right side of the baffle is fixedly connected to a connecting seat, the outer side of the connecting seat is rotatably connected with a connecting rod, the middle part of the right side of the storage hopper is fixedly connected to a fixing plate, the bottom right side of the fixing plate is fixedly connected to the rotating motor, and the end of the output shaft of the rotating motor is fixedly connected to the turntable.

[0014] As a further description of the above technical solution:

[0015] The input end of the rotating motor is electrically connected to the output end of the external power supply, and the top right part of the connecting rod is rotatably connected to the bottom edge of the rotating disk through a connecting shaft.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The sand screening machine for construction projects starts the driving motor to drive the rotating rod to rotate, so that the incomplete gear rotates. When the incomplete gear meshes with the top of the square gear ring, the square gear ring moves. When the incomplete gear meshes with the bottom of the square gear ring, the square gear ring moves in the opposite direction, so that the square gear ring drives the cleaning brush to move back and forth to clean the bottom of the screen bucket and clean large particles of impurities from the screen holes to avoid clogging the screen holes, prevent sand from passing through, avoid affecting the screening efficiency, and facilitate cleaning of the screen holes to improve the practicality of the device.

[0018] 2. The sand screening machine for construction projects starts the rotating motor to drive the turntable to rotate, thereby causing the connecting rod to deflect, so that the connecting seat drives the baffle to move back and forth, so that the discharge port periodically enters the storage hopper, and the sand in the storage hopper is discharged periodically to avoid too much sand falling into the screening hopper at one time, prevent insufficient screening, facilitate more sufficient screening, and improve screening quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a sand screening machine for construction engineering proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the cleaning mechanism structure of a sand screening machine for construction engineering proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the incomplete gear installation structure of a sand screening machine for construction engineering proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the intermittent feeding mechanism structure of a sand screening machine for construction engineering.

[0023] In the figure: 100, bottom plate; 200, conveyor; 300, support rod; 310, vibration spring; 320, connecting plate; 330, screen bucket; 340, vibration motor; 400, support frame; 500, cleaning mechanism; 510, mounting plate; 520, limit block; 530, slide rod; 540, square gear ring; 550, cleaning brush; 560, rotating rod; 570, incomplete gear; 580, driving motor; 600, intermittent feeding mechanism; 610, storage hopper; 620, baffle; 630, discharge port; 640, connecting seat; 650, connecting rod; 660, fixing plate; 670, rotating motor; 680, turntable. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a sand screening machine for construction engineering, which avoids clogging of the sieve holes, prevents the sand from passing through, avoids affecting the screening efficiency, and facilitates the cleaning of the sieve holes, thereby improving the practicality of the device. Figure 1-4 , including a bottom plate 100, a conveyor 200, a support rod 300 and a support frame 400;

[0028] Please refer again Figure 1 , the bottom plate 100 is used to install the conveyor 200, the support rod 300 and the support frame 400;

[0029] Please refer again Figure 1 The conveyor 200 is fixedly connected to the middle of the top of the bottom plate 100, the support rod 300 is fixedly connected to the left and right parts of the front and rear parts of the top of the bottom plate 100 for installing the vibration spring 310, the support frame 400 is fixedly connected to the left side of the top of the bottom plate 100 for installing the intermittent feeding mechanism 600, the top of the support rod 300 is evenly fixedly connected with the vibration spring 310, the top of the vibration spring 310 is fixedly connected with the connecting plate 320, the sieve bucket 330 is fixedly connected between the opposite sides of the front and rear connecting plates 320, and the vibration motor 340 is fixedly connected to the middle of the front side of the sieve bucket 330;

[0030] Please refer again Figure 2The bottom of the sieve bucket 330 is fixedly connected with a cleaning mechanism 500, which includes a mounting plate 510, a limit block 520, a slide bar 530, a square gear ring 540, a cleaning brush 550, a rotating rod 560, an incomplete gear 570 and a driving motor 580;

[0031] Please refer again Figure 2 The front and rear sides of the bottom of the sieve bucket 330 are fixedly connected with a mounting plate 510, the middle of the left and right ends of the opposite sides of the mounting plates 510 at the front and rear parts are fixedly connected with a limiting block 520, the interior of the limiting block 520 is slidably connected with a slide rod 530, and the opposite ends of the left and right slide rods 530 are fixedly connected with a square gear ring 540;

[0032] Please refer again Figure 2 A cleaning brush 550 is evenly fixedly connected to the top of the front and rear square gear rings 540, a rotating rod 560 is rotatably connected through the middle between the opposite sides of the front and rear mounting plates 510, an incomplete gear 570 is symmetrically fixedly connected to the outer side wall of the rotating rod 560, and a driving motor 580 is fixedly connected to the middle of the front side of the front mounting plate 510.

[0033] To sum up, by starting the driving motor 580, the rotating rod 560 is driven to rotate, so that the incomplete gear 570 rotates. When the incomplete gear 570 is engaged with the top of the square gear ring 540, the square gear ring 540 moves. When the incomplete gear 570 is engaged with the bottom of the square gear ring 540, the square gear ring 540 moves in the opposite direction, so that the square gear ring 540 drives the cleaning brush 550 to move back and forth, cleans the bottom of the screen bucket 330, and cleans large particles of impurities from the screen holes, avoids clogging the screen holes, prevents sand from passing through, avoids affecting the screening efficiency, and facilitates the cleaning of the screen holes, thereby improving the practicality of the device.

[0034] Please refer again Figure 2 The conveyor 200 is located at the bottom of the screen bucket 330, and the outer side of the incomplete gear 570 is connected to the inside of the square gear ring 540 through tooth meshing.

[0035] Please refer again Figure 2 The input end of the driving motor 580 is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor 580 is fixedly connected to the front end of the rotating rod 560.

[0036] Please refer again Figure 2 The top of the cleaning brush 550 fits tightly against the bottom of the sieve bucket 330 .

[0037] Please refer again Figure 4The intermittent feeding mechanism 600 is fixedly connected to the inner top of the support frame 400, and the intermittent feeding mechanism 600 includes a storage hopper 610, a baffle 620, a discharge port 630, a connecting seat 640, a connecting rod 650, a fixed plate 660, a rotating motor 670 and a turntable 680. The storage hopper 610 is fixedly connected to the inner top of the support frame 400, and the bottom of the left and right sides of the storage hopper 610 is slidably connected with the baffle 620, and the middle part of the top right side of the baffle 620 is penetrated and opened with a discharge port 630, the middle part of the right side of the baffle 620 is fixedly connected to the connecting seat 640, and the outer side of the connecting seat 640 is rotatably connected to the connecting rod 650, the middle part of the right side of the storage hopper 610 is fixedly connected to the fixing plate 660, the bottom right side of the fixing plate 660 is fixedly connected to the rotating motor 670, and the output shaft end of the rotating motor 670 is fixedly connected to the turntable 680.

[0038] Please refer again Figure 4 The input end of the rotating motor 670 is electrically connected to the output end of the external power supply, and the top right portion of the connecting rod 650 is rotatably connected to the bottom edge of the turntable 680 through a connecting shaft.

[0039] To summarize, by starting the rotating motor 670, the turntable 680 is driven to rotate, thereby causing the connecting rod 650 to deflect, so that the connecting seat 640 drives the baffle 620 to move back and forth, so that the discharge port 630 periodically enters the storage hopper 610, and the sand in the storage hopper 610 is periodically discharged to avoid too much sand falling into the screening bucket 330 at one time, preventing insufficient screening, facilitating more sufficient screening, and improving the screening quality.

[0040] In specific use, when screening, the technical personnel in this field put the sand into the storage hopper 610 through the machine, start the conveyor 200, the vibration motor 340, the drive motor 580 and the rotating motor 670, and the screen hopper 330 vibrates by starting the vibration motor 340. When the rotating motor 670 is started, the turntable 680 is driven to rotate, so that the connecting rod 650 is deflected, so that the connecting seat 640 drives the baffle 620 to move back and forth, so that the discharge port 630 periodically enters the storage hopper 610, so that the sand in the storage hopper 610 is periodically discharged, so that the sand falls into the screen hopper 330, The sand is screened, and the screened sand falls on the conveyor 200 and is transported to a designated location. During the screening, the driving motor 580 is started to drive the rotating rod 560 to rotate, so that the incomplete gear 570 rotates. When the incomplete gear 570 meshes with the top of the square gear ring 540, the square gear ring 540 moves. When the incomplete gear 570 meshes with the bottom of the square gear ring 540, the square gear ring 540 moves in the opposite direction, so that the square gear ring 540 drives the cleaning brush 550 to move back and forth, cleans the bottom of the screen bucket 330, and cleans out large particles of impurities from the screen holes to avoid clogging the screen holes.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A sand screening machine for construction engineering, characterized in that: The invention comprises a bottom plate (100), a conveyor (200), a support rod (300) and a support frame (400), wherein the conveyor (200) is fixedly connected to the middle of the top of the bottom plate (100), the support rod (300) is fixedly connected to the left and right parts of the front and rear parts of the top of the bottom plate (100), the support frame (400) is fixedly connected to the left side of the top of the bottom plate (100), and the top of the support rod (300) is evenly fixedly connected to a vibration spring (300). 10), the top of the vibration spring (310) is fixedly connected to a connecting plate (320), a sieve bucket (330) is fixedly connected between opposite sides of the front and rear connecting plates (320), a vibration motor (340) is fixedly connected to the middle of the front side of the sieve bucket (330), and a cleaning mechanism (500) is fixedly connected to the bottom of the sieve bucket (330), and the cleaning mechanism (500) includes a mounting plate (510), a stop block (520), a slide rod (530), and a plurality of movable members (511, 512, 513, 514, 515, 516, 517, 518, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, ), a square gear ring (540), a cleaning brush (550), a rotating rod (560), an incomplete gear (570) and a driving motor (580), the front and rear sides of the bottom of the sieve bucket (330) are fixedly connected with a mounting plate (510), the middle parts of the left and right ends of the opposite sides of the mounting plates (510) at the front and rear parts are fixedly connected with a limiting block (520), the interior of the limiting block (520) is slidably connected with a sliding rod (530), the opposite ends of the sliding rod (530) at the left and right parts are fixedly connected with a square gear ring (540), the top of the square gear ring (540) at the front and rear parts is evenly fixedly connected with a cleaning brush (550), the middle part between the opposite sides of the mounting plates (510) at the front and rear parts is rotatably connected with a rotating rod (560), the outer side wall of the rotating rod (560) is symmetrically fixedly connected with an incomplete gear (570), and the middle part of the front side of the mounting plate (510) at the front part is fixedly connected with a driving motor (580).

2. A sand screening machine for construction engineering according to claim 1, characterized in that: The conveyor (200) is located at the bottom of the screening bucket (330), and the outer side of the incomplete gear (570) is connected to the inside of the square gear ring (540) through tooth meshing.

3. A sand screening machine for construction engineering according to claim 1, characterized in that: The input end of the driving motor (580) is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor (580) is fixedly connected to the front end of the rotating rod (560).

4. A sand screening machine for construction engineering according to claim 1, characterized in that: The top of the cleaning brush (550) is tightly fitted with the bottom of the sieve bucket (330).

5. A sand screening machine for construction engineering according to claim 1, characterized in that: The top of the inner side of the support frame (400) is fixedly connected to an intermittent feeding mechanism (600), and the intermittent feeding mechanism (600) comprises a storage hopper (610), a baffle (620), a discharge port (630), a connecting seat (640), a connecting rod (650), a fixing plate (660), a rotating motor (670) and a rotating disk (680). The top of the inner side of the support frame (400) is fixedly connected to the storage hopper (610), and the bottom of the left and right sides of the storage hopper (610) are slidably connected to the baffle (620) penetrating through the bottom. ), a discharge port (630) is provided through the middle of the top right side of the baffle (620), a connecting seat (640) is fixedly connected to the middle of the right side of the baffle (620), a connecting rod (650) is rotatably connected to the outer side of the connecting seat (640), a fixing plate (660) is fixedly connected to the middle of the right side of the storage hopper (610), a rotating motor (670) is fixedly connected to the right side of the bottom of the fixing plate (660), and a turntable (680) is fixedly connected to the end of the output shaft of the rotating motor (670).

6. A sand screening machine for construction engineering according to claim 5, characterized in that: The input end of the rotating motor (670) is electrically connected to the output end of the external power supply, and the top right portion of the connecting rod (650) is rotatably connected to the bottom edge of the rotating disk (680) via a connecting shaft.

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