A sand screening machine for construction engineering
By designing a sand screening machine with vibration and mixing components in construction projects, the problems of traditional sand screening efficiency and prone to clogging of screen holes are solved, and more efficient and thorough sand screening is achieved, and the quality of concrete is improved.
Patent Information
- Application Number
- CN202420994614.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-09
AI Technical Summary
Traditional sand sieving methods are inefficient and the screen holes are prone to clogging, resulting in incomplete screening of debris and affecting the quality of concrete.
A construction sand screening machine is designed, using vibration and stirring components to achieve vibration of the screen groove through an elliptical plate and a spring frame. The rotating roller and stirring roller will loosen the sand to avoid blockage.
It improves the efficiency and effect of sand sieving, prevents clogging of screen holes, ensures thorough screening of debris, and improves the quality of concrete.
Smart Images

Figure CN222710140U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction engineering, in particular to a sand screening machine for construction engineering. Background Art
[0002] Sand screening is essential in construction projects. 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 traditional sand screening, an inclined screen is first built, and then the sand is manually poured onto the screen for screening. The screening efficiency is low, the screen holes of the screen are often blocked, the sand screening effect is poor, and the agglomerated sand falls onto the screen slot, resulting in incomplete stone screening.
[0004] Therefore, we propose a construction engineering sand screening machine to solve the above problems. Utility Model Content
[0005] The utility model aims to solve the problems existing in the prior art and proposes a sand screening machine for construction engineering.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] 4. The repairing kit for automotive dents, according to claim 1, wherein the two trackbacks are connected along the vertical axis, and the trackbacks are connected along the vertical axis to form a trackback.
[0008] Preferably, the vibration assembly includes a fixed block fixedly connected to a side wall of the screen slot close to a fixed plate, two spring frames are fixedly connected to the upper end surface of the connecting plate, both of the two spring frames are fixedly connected to the fixed block, the output end of the rotating machine rotates through the fixed plate and is fixedly connected to an elliptical plate, and the elliptical plate is arranged between the two spring frames.
[0009] Preferably, the stirring assembly includes a rotating roller rotatably connected to the inner wall of the injection groove, a plurality of stirring rollers are fixedly connected to the side wall of the rotating roller, a first sprocket is fixedly connected to the output end of the rotating machine, a connecting roller is rotatably connected to a side wall of the fixed plate close to the screen groove, the connecting roller rotates through the injection groove and is fixedly connected to the rotating roller, a second sprocket is fixedly connected to the connecting roller, and the first sprocket and the second sprocket are driven by a chain.
[0010] Preferably, the lower end surfaces of the plurality of columns are fixedly connected with pads, and the lower end surfaces of the plurality of pads are provided with anti-slip patterns.
[0011] Preferably, a protective shell is fixedly connected to one side wall of the fixed plate, and the protective shell and the rotating machine are matched.
[0012] Preferably, a funnel is fixedly connected to the upper end surface of the injection slot.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The user puts sand into the funnel, and the rotary machine starts working at the same time. The output end of the rotary machine drives the elliptical plate to rotate. The elliptical plate continuously hits the fixed block, causing the screen slot to vibrate continuously. The sand will fall through the sieve holes on the screen slot to the bottom of the device. Stones and other debris mixed in the sand will be discharged from the screen slot through the discharge plate, realizing the oscillation treatment of the screen slot, improving the sand screening effect, preventing the screen holes from being blocked during the sand screening process, and improving the sand screening efficiency.
[0015] 2. When the rotary machine starts working, the first sprocket on the output end of the rotary machine rotates, causing the rotating roller in the injection trough to rotate, and the stirring roller on the rotating roller rotates. The stirring roller can break up the sand entering the injection trough, thereby improving the dispersion of the sand and improving the smoothness of the sand discharge, avoiding blockage and improving the sand screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional schematic diagram of the front structure of a construction engineering sand screening machine proposed by the utility model;
[0017] Figure 2 This is a three-dimensional side view of the structure of a construction engineering sand screening machine proposed by the utility model;
[0018] Figure 3The utility model is a three-dimensional cross-sectional view of the structure of a construction engineering sand screening machine.
[0019] In the figure: 1 vertical plate, 2 connecting rod, 3 supporting plate, 4 injection slot, 5 screen slot, 6 sliding slot, 7 connecting plate, 8 fixed plate, 9 rotating machine, 10 fixed block, 11 spring frame, 12 elliptical plate, 13 stirring roller, 14 first sprocket, 15 chain, 16 cushion block, 17 protective shell, 18 funnel. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] Reference Figure 1-Figure 3 The hopper 18 is a kind of sand screening machine for construction engineering, comprising two vertical plates 1, the upper end surfaces of the two vertical plates 1 are fixedly connected with a plurality of connecting rods 2, the upper end surfaces of the plurality of connecting rods 2 are jointly fixedly connected with a supporting plate 3, a material injection slot 4 is penetrated on the supporting plate 3, and a funnel 18 is fixedly connected to the upper end surface of the material injection slot 4, and the setting of the funnel 18 is convenient for the user to inject sand into the material injection slot 4, and improves the portability of the device. The two vertical plates 1 are jointly rotatably connected with a screening slot 5, a plurality of screening holes are arranged on the screening slot 5, an opening is arranged at one end of the screening slot 5, and a discharge plate is fixedly connected to an end surface of the screening slot 5 with the opening, a sliding slot 6 is arranged on one side wall of the two vertical plates 1 close to the screening slot 5, the sliding slot 6 is arranged in an arc shape, sliding rods are slidably connected in the two sliding slots 6, and the two sliding rods are fixedly connected to the screening slot 5, a connecting plate 7 is jointly fixedly connected to the two vertical plates 1, a connecting block is fixedly connected to the supporting plate 3 and the connecting plate 7, and a fixing plate 8 is jointly fixedly connected to the two connecting blocks;
[0022] The end face of the fixed plate 8 away from the sieve slot 5 is fixedly connected with a rotating machine 9, and a side wall of the fixed plate 8 is fixedly connected with a protective shell 17. The protective shell 17 and the rotating machine 9 are matched. The protective shell 17 can protect the rotating machine 9 to prevent the rotating machine 9 from being damaged by external interference. A vibration component is provided on the sieve slot 5, and a stirring component is provided on the injection slot 4. The lower end faces of the two vertical plates 1 are fixedly connected with a plurality of columns, and the lower end faces of the plurality of columns are fixedly connected with pads 16. The lower end faces of the plurality of pads 16 are provided with anti-slip patterns, which improves the stability of the device. The vibration component includes a fixed block 10 fixedly connected to a side wall of the sieve slot 5 close to the fixed plate 8, and the upper end face of the connecting plate 7 is fixedly connected with two spring frames 11;
[0023] The two spring frames 11 are both fixedly connected to the fixed block 10, the output end of the rotating machine 9 rotates through the fixed plate 8 and is fixedly connected to an elliptical plate 12, the elliptical plate 12 is arranged between the two spring frames 11, the stirring assembly includes a rotating roller rotatably connected to the inner wall of the injection groove 4, a plurality of stirring rollers 13 are fixedly connected to the side wall of the rotating roller, a first sprocket 14 is fixedly connected to the output end of the rotating machine 9, a side wall of the fixed plate 8 close to the screen groove 5 is rotatably connected to a connecting roller, the rotation of the connecting roller passes through the injection groove 4 and is fixedly connected to the rotating roller, a second sprocket is fixedly connected to the connecting roller, and the first sprocket 14 and the second sprocket are transmitted by a chain 15.
[0024] During the use of the utility model, the user first places the device at a designated workplace, then injects sand into the funnel 18, and at the same time the rotating machine 9 starts to work, the output end of the rotating machine 9 drives the elliptical plate 12 to rotate, the elliptical plate 12 continuously hits the fixed block 10, the spring frame 11 continuously performs telescopic work on the connecting plate 7, and the vibration of the sieve slot 5 is realized, the first sprocket wheel 14 on the output end of the rotating machine 9 rotates at the same time, and under the transmission of the chain 15, the second sprocket wheel rotates, and the second sprocket wheel drives the connecting roller to rotate, so that the rotating roller in the injection slot 4 rotates, and the stirring roller 13 on the rotating roller rotates, The stirring roller 13 can break up the sand entering the injection trough 4, thereby improving the dispersion of the sand, and further improving the smoothness of the sand feeding, avoiding blockage, and improving the sand screening efficiency. The sand will then fall through the injection trough 4 onto the screen slot 5. After being screened by the screen slot 5, the sand will fall through the sieve holes to the bottom of the device. Stones and other debris mixed in the sand will continuously vibrate above the screen slot 5 under the action of their own gravity, and finally be discharged from the screen slot 5 through the discharge plate, thereby realizing the oscillation treatment of the screen slot 5, improving the sand screening effect, and effectively preventing the screen slot 5 from being blocked during the sand screening process, thereby further improving the sand screening efficiency.
[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A construction engineering sand screening machine, comprising two vertical plates (1), characterized in that: The upper end surfaces of the two vertical plates (1) are fixedly connected to a plurality of connecting rods (2), and the upper end surfaces of the plurality of connecting rods (2) are commonly fixedly connected to a support plate (3), and a material injection groove (4) is penetrated on the support plate (3). The two vertical plates (1) are commonly rotatably connected to a screen groove (5), and the screen groove (5) is provided with a plurality of screen holes. An opening is provided at one end of the screen groove (5), and a discharge plate is fixedly connected to the end surface of the screen groove (5) provided with the opening. A sliding groove (6) is provided on one side wall of the two vertical plates (1) close to the screen groove (5), and the sliding groove (6) is arranged in an arc shape. The two sliding grooves (6) are both slidably connected with sliding rods, the two sliding rods are both fixedly connected to the sieve groove (5), the two vertical plates (1) are commonly fixedly connected with a connecting plate (7), the support plate (3) and the connecting plate (7) are both fixedly connected with connecting blocks, the two connecting blocks are commonly fixedly connected with a fixing plate (8), the fixing plate (8) is fixedly connected with a rotating machine (9) at one end face away from the sieve groove (5), the sieve groove (5) is provided with a vibration component, the injection groove (4) is provided with a stirring component, and the lower end faces of the two vertical plates (1) are both fixedly connected with a plurality of columns.
2. A construction engineering sand screening machine according to claim 1, characterized in that: The vibration assembly comprises a fixed block (10) fixedly connected to a side wall of the sieve slot (5) close to the fixed plate (8); two spring frames (11) are fixedly connected to the upper end surface of the connecting plate (7); the two spring frames (11) are both fixedly connected to the fixed block (10); the output end of the rotating machine (9) rotates through the fixed plate (8) and is fixedly connected to an elliptical plate (12); the elliptical plate (12) is arranged between the two spring frames (11).
3. A construction engineering sand screening machine according to claim 1, characterized in that: The stirring assembly comprises a rotating roller rotatably connected to the inner wall of the injection groove (4), a plurality of stirring rollers (13) are fixedly connected to the side wall of the rotating roller, a first sprocket (14) is fixedly connected to the output end of the rotating machine (9), a connecting roller is rotatably connected to a side wall of the fixed plate (8) close to the sieve groove (5), the connecting roller rotates through the injection groove (4) and is fixedly connected to the rotating roller, a second sprocket is fixedly connected to the connecting roller, and the first sprocket (14) and the second sprocket are driven by a chain (15).
4. A construction engineering sand screening machine according to claim 1, characterized in that: The lower end surfaces of the plurality of upright posts are all fixedly connected with cushion blocks (16), and the lower end surfaces of the plurality of cushion blocks (16) are all provided with anti-slip patterns.
5. A construction engineering sand screening machine according to claim 1, characterized in that: A protective shell (17) is fixedly connected to one side wall of the fixed plate (8), and the protective shell (17) and the rotating machine (9) are arranged in a matching manner.
6. A construction engineering sand screening machine according to claim 1, characterized in that: A funnel (18) is fixedly connected to the upper end surface of the injection slot (4).