Sand screening device for building mortar
The sand screening device addresses the cumbersome disassembly and cleaning issues of existing devices by incorporating an easily removable screen plate and stable electric telescopic rods, improving efficiency and usability.
Patent Information
- Application Number
- CN202420656806.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-01
AI Technical Summary
Existing sand screening devices for building mortar require cumbersome disassembly and cleaning of sieve plates, leading to high labor intensity and low efficiency.
A sand screening device with a screen plate that can be easily disassembled and cleaned, featuring electric telescopic rods for smooth operation, anti-slip handles, and an inclined design to facilitate sand discharge, along with a fixed electric telescopic rod mechanism to prevent shaking.
Enables efficient sand screening with reduced labor intensity, stable operation, and easy maintenance, enhancing the overall efficiency and usability of the device.
Smart Images
Figure CN222287854U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction engineering, in particular to a sand screening device for building mortar. Background Art
[0002] Sand is one of the commonly used aggregates in building mortar. The sand used in building mortar requires a certain degree of screening. The initial screening method is to use a sieve for manual screening. This method mainly relies on manpower, has high labor intensity and low work efficiency.
[0003] Before using the sand for mortar, it is necessary to use a sand screening device for screening. When the sand screening device is in use, the sieve plate needs to be disassembled and cleaned regularly. However, the process of disassembling the sieve plate is cumbersome, and the shell of the sand screening device needs to be disassembled before the sieve plate can be disassembled, which makes it inconvenient for the staff to disassemble and clean the sieve plate. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a sand screening device for building mortar, which has the advantages of easy disassembly and cleaning of the sieve plate, thereby solving the problem of inconvenient disassembly and cleaning of the sieve plate.
[0005] The utility model discloses a sand screening device for building mortar, comprising a screen box, the front and back sides of the screen box are provided with through grooves, the inner cavity of the through grooves is provided with a screen plate, the inner cavity of the screen plate is provided with screen holes, a handle is provided on the back side of the screen plate, threaded holes are provided on both ends of the top and the left side of the bottom of the screen plate, concave plates are provided on both sides of the surface of the screen plate, the top and the bottom of the concave plates are provided with fixing bolts, the inner sides of the fixing bolts are threadedly connected with the threaded holes, an electric telescopic rod is provided on the surface of the concave plates, a discharge port is provided on the bottom of the right side of the screen box, and when sand screening is needed, the utility model first places the sand on the left side of the screen plate, and then the sand is placed on the screen plate. On the screen plate, at this time, the two electric telescopic rods are controlled by the external controller to run simultaneously, the concave plate is driven to move by the electric telescopic rod, and the screen plate is driven to move by the concave plate, and the screen plate moves back and forth in the through groove. When the screen plate moves back and forth, the sand is screened through the sieve holes in the screen plate, and the screened sand falls to the bottom of the inner cavity of the screen box, and the screened sand is discharged through the discharge port. When the screen plate needs to be disassembled and cleaned, the fixing bolts are tightened, and when the fixing bolts are taken out of the concave plate and the threaded hole, the handle is pulled to drive the screen plate to move by the handle, and when the screen plate is moved out of the concave plate and the through groove, the screen plate can be cleaned.
[0006] The utility model discloses a sand screening device for building mortar, wherein the bottom of the electric telescopic rod is clamped with a limiting plate, the bottom of the limiting plate is fixedly connected with a bearing plate, one end of the bearing plate is fixedly connected to the screen box, and the utility model can fix the electric telescopic rod through the bearing plate and the limiting plate, so that the electric telescopic rod is more effective when in use, and the electric telescopic rod is prevented from shaking when in use, thereby causing unstable operation of the electric telescopic rod.
[0007] The utility model discloses a sand screening device for building mortar, wherein four corners of the bottom of the screen box are provided with support columns, and the bottoms of the support columns are provided with anti-slip pads.
[0008] The utility model discloses a sand screening device for building mortar, wherein the surface of the handle is covered with an anti-skid cover, and the inner cavity of the anti-skid cover is fixedly connected to the handle by an adhesive, so that the anti-skid cover can prevent the handle from slipping, thereby preventing the handle from falling off when used by staff.
[0009] The utility model discloses a sand screening device for building mortar, wherein the bottom of the screen box is inclined, and the inclination angle is not less than forty degrees. The inclined design of the bottom of the inner cavity of the screen box can play a role in guiding the material, so that the screened sand can be more easily introduced into the discharge port.
[0010] The utility model discloses a sand screening device for building mortar, wherein the number of the sieve holes is not less than fifty, and the fifty sieve holes are arranged in the inner cavity of the sieve plate at equal distances.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] 1. When the utility model needs to screen sand, first put the sand on the screen plate, and then the two electric telescopic rods are controlled by the external controller to run simultaneously, the concave plate is driven to move by the electric telescopic rod, and the screen plate is driven to move by the concave plate, and the screen plate reciprocates in the through groove. When the screen plate reciprocates, the sand is screened through the screen holes in the screen plate, and the screened sand falls into the bottom of the inner cavity of the screen box, and the screened sand is discharged through the discharge port. When the screen plate needs to be disassembled and cleaned, the fixing bolts are screwed, and when the fixing bolts are taken out of the concave plate and the threaded hole, the handle is pulled to drive the screen plate to move by the handle, and when the screen plate is moved out of the concave plate and the through groove, the screen plate can be cleaned.
[0013] 2. The utility model can fix the electric telescopic rod through the bearing plate and the limit plate, so that the electric telescopic rod has a better effect when in use, and avoids the electric telescopic rod from shaking during use, thereby causing the electric telescopic rod to run unstably;
[0014] The inclined surface design at the bottom of the screen box cavity can guide the material, making it easier for the screened sand to be introduced into the discharge port.
[0015] The anti-slip cover can prevent the handle from slipping, thus preventing the handle from falling off when used by staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the back structure of the screen box of the utility model;
[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the screen box of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the utility model screen box before the screen plate is installed;
[0021] Figure 5 This is a schematic diagram of the screen plate structure of the utility model.
[0022] In the figure: 1. screen box; 2. fixing bolts; 3. screen plate; 4. load-bearing plate; 5. electric telescopic rod; 6. limit plate; 7. concave plate; 8. support column; 9. discharge port; 10. anti-slip pad; 11. screen hole; 12. handle; 13. anti-slip sleeve; 14. through groove; 15. threaded hole. DETAILED DESCRIPTION
[0023] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.
[0024] See also Figure 1-5The utility model is a sand screening device for building mortar, comprising a screen box 1, the front and back sides of the screen box 1 are provided with through grooves 14, the inner cavity of the through grooves 14 is provided with a screen plate 3, the inner cavity of the screen plate 3 is provided with a screen hole 11, the back of the screen plate 3 is provided with a handle 12, the top and bottom left ends of the screen plate 3 are provided with threaded holes 15, both sides of the surface of the screen plate 3 are provided with concave plates 7, the top and bottom of the concave plates 7 are provided with fixing bolts 2, the inner side of the fixing bolts 2 is threadedly connected with the threaded holes 15, the surface of the concave plates 7 is provided with an electric telescopic rod 5, and the bottom of the right side of the screen box 1 is provided with a discharge port 9. When the utility model needs to screen sand, firstly, the sand is placed on the screen plate 3, and at this time, the external control is used to control the sand. The controller controls the two electric telescopic rods 5 to run simultaneously, and the concave plate 7 is driven to move by the electric telescopic rod 5, and the sieve plate 3 is driven to move by the concave plate 7. The sieve plate 3 reciprocates in the through groove 14. When the sieve plate 3 reciprocates, the sand is screened through the sieve holes 11 in the sieve plate 3, and the screened sand falls into the bottom of the inner cavity of the screen box 1, and the screened sand is discharged through the discharge port 9. When the sieve plate 3 needs to be disassembled and cleaned, the fixing bolt 2 is screwed, and when the fixing bolt 2 is taken out of the concave plate 7 and the threaded hole 15, the handle 12 is pulled, and the sieve plate 3 is driven to move by the handle 12. When the sieve plate 3 moves out of the concave plate 7 and the through groove 14, the sieve plate 3 can be cleaned.
[0025] The bottom of the electric telescopic rod 5 is clamped with a limiting plate 6, and the bottom of the limiting plate 6 is fixedly connected to a bearing plate 4, and one end of the bearing plate 4 is fixedly connected to the screen box 1. The utility model can fix the electric telescopic rod 5 through the bearing plate 4 and the limiting plate 6, so that the electric telescopic rod 5 is more effective when in use, and the electric telescopic rod 5 is prevented from shaking during use, thereby causing the electric telescopic rod 5 to operate unstable.
[0026] Support columns 8 are provided at the four corners of the bottom of the screen box 1 , and anti-slip pads 10 are provided at the bottoms of the support columns 8 .
[0027] The surface of the handle 12 is covered with an anti-skid cover 13, and the inner cavity of the anti-skid cover 13 is fixedly connected to the handle 12 by an adhesive. The anti-skid cover 13 can prevent the handle 12 from slipping, thereby preventing the handle 12 from falling off when used by staff.
[0028] The bottom of the screen box 1 is inclined, and the inclination angle is not less than 40 degrees. The inclined design of the bottom of the inner cavity of the screen box 1 can play a role in guiding the material, so that the screened sand can be more easily introduced into the discharge port 9.
[0029] The number of the sieve holes 11 is not less than fifty, and the fifty sieve holes 11 are arranged in the inner cavity of the sieve plate 3 at equal distances.
[0030] When using the utility model: when it is necessary to screen sand, first place the sand on the sieve plate 3. At this time, the two electric telescopic rods 5 are controlled by the external controller to run simultaneously, and the concave plate 7 is driven to move by the electric telescopic rod 5, and the sieve plate 3 is driven to move by the concave plate 7. The sieve plate 3 reciprocates in the through groove 14. When the sieve plate 3 reciprocates, the sand is screened through the sieve holes 11 in the sieve plate 3, and the screened sand falls into the bottom of the inner cavity of the screen box 1, and the screened sand is discharged through the discharge port 9. When the sieve plate 3 needs to be disassembled and cleaned, the fixing bolts 2 are screwed, and when the fixing bolts 2 are taken out of the concave plate 7 and the threaded hole 15, the handle 12 is pulled, and the sieve plate 3 is driven to move by the handle 12. When the sieve plate 3 moves out of the concave plate 7 and the through groove 14, the sieve plate 3 can be cleaned.
[0031] The above is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.
Claims
1. A sand screening device for building mortar, comprising a screen box (1), characterized in that: The front and back sides of the screen box (1) are provided with through grooves (14), the inner cavity of the through groove (14) is provided with a screen plate (3), the inner cavity of the screen plate (3) is provided with screen holes (11), the back side of the screen plate (3) is provided with a handle (12), the top and left ends of the bottom of the screen plate (3) are provided with threaded holes (15), both sides of the surface of the screen plate (3) are provided with concave plates (7), the top and bottom of the concave plates (7) are provided with fixing bolts (2), the inner sides of the fixing bolts (2) are threadedly connected to the threaded holes (15), the surface of the concave plates (7) is provided with an electric telescopic rod (5), and the bottom of the right side of the screen box (1) is provided with a discharge port (9).
2. A sand screening device for building mortar according to claim 1, characterized in that: The bottom of the electric telescopic rod (5) is clamped with a limit plate (6), the bottom of the limit plate (6) is fixedly connected to a bearing plate (4), and one end of the bearing plate (4) is fixedly connected to the screen box (1).
3. A sand screening device for building mortar according to claim 1, characterized in that: Support columns (8) are provided at four corners of the bottom of the screen box (1), and anti-slip pads (10) are provided at the bottoms of the support columns (8).
4. A sand screening device for building mortar according to claim 1, characterized in that: The surface of the handle (12) is covered with an anti-slip cover (13), and the inner cavity of the anti-slip cover (13) is fixedly connected to the handle (12) via an adhesive.
5. A sand screening device for building mortar according to claim 1, characterized in that: The bottom of the screen box (1) is inclined, and the inclination angle is not less than 40 degrees.
6. A sand screening device for building mortar according to claim 1, characterized in that: The number of the sieve holes (11) is not less than fifty, and the fifty sieve holes (11) are arranged at equal distances in the inner cavity of the sieve plate (3).