Mortar curing box with filtering structure
By using a motor-driven cylinder rotation and centrifugal force to filter mortar in a mortar curing box, combined with mixing blades and scrapers, the problems of low filtration efficiency and incomplete filtration in existing technologies are solved, improving the filtration effect and reducing waste.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-04-03
AI Technical Summary
Existing mortar curing boxes are inefficient at filtering large particulate impurities, and the viscosity of the mortar leads to incomplete filtration, resulting in waste.
The cylinder is driven by a first motor to rotate at high speed. Centrifugal force is used to fling the mortar through the filter holes for filtration and discharge through a piston pump. Combined with stirring blades and scrapers, the uniformity of the mortar is improved. The cylinder can be quickly disassembled for cleaning the filter holes.
It achieves high-efficiency filtration, avoids incomplete filtration caused by mortar viscosity, reduces waste, and facilitates filter hole maintenance.
Smart Images

Figure CN224074630U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of curing box technology, specifically a mortar curing box with a filter structure. Background Technology
[0002] Mortar curing chambers are essential equipment for building material testing. They can precisely regulate internal temperature and humidity, creating a stable curing environment for mortar test blocks. With uniform internal temperature and humidity distribution, they are widely used in research institutions and construction company laboratories to ensure accurate mortar performance testing and guarantee project quality.
[0003] Chinese patent CN215038724U discloses a mortar curing box with a filtration structure. This patent effectively solves the problem that existing mortar curing boxes cannot conveniently and quickly filter large particulate impurities inside the mortar by setting up components such as a first screw, a second screw, two sets of threaded sleeves and a filter plate.
[0004] The aforementioned patent relies solely on the gravity of the mortar to pass through the filter plate to achieve the filtration purpose, and the filtration efficiency is relatively low. Furthermore, due to the viscosity of the mortar, incomplete filtration may occur, resulting in mortar waste. Utility Model Content
[0005] The purpose of this invention is to provide a mortar curing box with a filtration structure, which effectively solves the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution.
[0007] A mortar curing box with a filtration structure includes a box body. A first motor is installed at the bottom of the box body. The end of the output shaft of the first motor is connected to a rotating shaft. The end of the rotating shaft passes through the box body and is fitted with a cylinder. A first discharge hole is opened at the top of the cylinder body. Filter holes are provided on the outer surface of the cylinder body. A piston pump is installed on the outer surface of the box body near its bottom. The output end of the piston pump is connected to a discharge pipe.
[0008] Furthermore, a hollow shaft is installed through and rotatably at the bottom of the box, and the shaft is coaxially arranged inside the hollow shaft. A stirring blade is installed on the outer surface of the hollow shaft. A second motor is installed at the bottom of the box, and a pulley set is provided between the end of the output shaft of the second motor and the hollow shaft for transmission.
[0009] Furthermore, the top of the box is provided with a cover plate, and a second discharge hole is opened on the surface of the cover plate. The second discharge hole has the same diameter as the first discharge hole and is arranged on the same axis.
[0010] Furthermore, a scraper is installed on the outer surface of the stirring blade, and the outer surface of the scraper is in contact with the inner wall of the housing.
[0011] Furthermore, a slot is provided at the bottom of the cylinder, a rod is installed at the top of the rotating shaft, an annular guide groove is provided on the upper surface of the cylinder, and several balls are installed on the lower surface of the cover plate along the trajectory of the annular guide groove.
[0012] Furthermore, several bearings are installed on the outer surface of the shaft, and the outer surface of the bearings is connected to the inner wall of the hollow shaft. A sealing ring is provided between the outer surface of the shaft near its top and the inner wall of the hollow shaft.
[0013] Furthermore, support columns are installed at the four corners of the bottom of the box, and a tray is installed between the four support columns. The first motor and the second motor are both installed on the upper surface of the tray.
[0014] Furthermore, the cover plate is bolted to the top of the housing.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows.
[0016] 1. This utility model uses a first motor to drive the cylinder to rotate at high speed. When the mortar falls into the cylinder, it can be quickly thrown onto the side wall of the cylinder under the action of centrifugal force, and then fall into the interior of the box through the filter holes, thereby achieving the purpose of efficient filtration and avoiding the situation of incomplete filtration caused by the stickiness of the mortar, thus reducing the waste of mortar.
[0017] 2. Due to the design of the slot and the insert rod, the cylinder can be lifted upwards and separated from the rotating shaft after the cover is opened, thus enabling quick disassembly and assembly of the cylinder and facilitating cleaning and maintenance of the filter holes. Attached Figure Description
[0018] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a cross-sectional structural diagram of the box body in this utility model;
[0020] Figure 3 This is a front view cross-sectional structural diagram of the present invention;
[0021] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the middle.
[0022] In the diagram: 100, housing; 101, first motor; 102, rotating shaft; 103, cylinder; 104, filter hole; 105, piston pump; 106, discharge pipe; 107, first discharge hole; 200, hollow shaft; 201, stirring blade; 202, second motor; 203, pulley assembly; 300, cover plate; 301, second discharge hole; 400, scraper; 500, slot; 501, insertion rod; 502, annular guide groove; 503, ball bearing; 600, bearing; 601, sealing ring; 700, support column; 701, pallet. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection" and "installation" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Furthermore, "connection" can be a direct connection or an indirect connection through an intermediate medium. "Fixed" means that the relative positional relationship remains unchanged after the connection. The directional terms mentioned in the embodiments of this utility model, such as "inner," "outer," "top," and "bottom," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.
[0025] In this embodiment of the invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" and "second" may explicitly or implicitly include one or more of that feature.
[0026] Please see Figures 1-4This utility model provides a mortar curing box with a filtration structure, including a box body 100. A first motor 101 is installed at the bottom of the box body 100. The end of the output shaft of the first motor 101 is connected to a rotating shaft 102. The end of the rotating shaft 102 extends into the box body 100 and is provided with a cylinder 103. A first discharge hole 107 is opened at the top of the cylinder 103. Filter holes 104 are provided on the outer surface of the cylinder 103. A piston pump 105 is installed on the outer surface of the box body 100 near its bottom. The output end of the piston pump 105 is connected to a discharge pipe 106.
[0027] In use, the first motor 101 is started first. The first motor 101 drives the rotating shaft 102 to rotate, and the rotating shaft 102 drives the cylinder 103 to rotate at high speed. When the mortar falls into the cylinder 103 from the first discharge hole 107, it can be evenly thrown onto the inner wall of the cylinder 103 under the action of centrifugal force, and the mortar can quickly pass through the filter hole 104, thereby significantly improving the filtration effect of the mortar and avoiding the situation of incomplete filtration caused by the viscosity of the mortar, reducing the waste of mortar. The mortar thrown onto the inner wall of the box 100 can flow downward under the action of gravity. When the mortar is needed, it can be discharged outward from the discharge pipe 106 by the piston pump 105.
[0028] Preferably, a hollow shaft 200 is rotatably mounted through the bottom of the housing 100, and a rotating shaft 102 is coaxially arranged inside the hollow shaft 200. An stirring blade 201 is mounted on the outer surface of the hollow shaft 200. A second motor 202 is provided at the bottom of the housing 100, and a pulley set 203 is provided between the end of the output shaft of the second motor 202 and the hollow shaft 200 for transmission.
[0029] When the second motor 202 is started, the hollow shaft 200 can be driven to rotate at a slower speed through the transmission action of the pulley group 203, which in turn drives the stirring blade 201 to stir the filtered mortar, improve its uniformity and fluidity, and thus improve the quality of the mortar.
[0030] Preferably, the top of the box 100 is provided with a cover plate 300, and the surface of the cover plate 300 is provided with a second discharge hole 301. The second discharge hole 301 has the same diameter as the first discharge hole 107 and is arranged on the same axis.
[0031] The cover plate 300 prevents mortar from splashing outwards when it hits the inner wall of the box 100 during mortar filtration, thus protecting the cleanliness of the site and reducing mortar waste.
[0032] Preferably, a scraper 400 is installed on the outer surface of the stirring blade 201, and the outer surface of the scraper 400 is in contact with the inner wall of the housing 100.
[0033] When the second motor 202 drives the mixing blade 201 to mix the mortar, it can drive the scraper 400 to scrape off the mortar on the inner wall of the box 100 and mix it into the mixing process, thereby further improving the uniformity of the mortar and avoiding the formation of lumps on the inner wall.
[0034] Preferably, a slot 500 is provided at the bottom of the cylinder 103, a rod 501 is installed at the top of the rotating shaft 102, an annular guide groove 502 is provided on the upper surface of the cylinder 103, and a number of balls 503 are installed on the lower surface of the cover plate 300 along the trajectory of the annular guide groove 502.
[0035] By inserting the insert rod 501 into the slot 500, when the first motor 101 drives the rotating shaft 102 to rotate, the cylinder 103 can be rotated. During the rotation of the cylinder 103, the ball bearings 503 continuously roll within the annular guide groove 502, providing a smooth limiting effect on the top of the cylinder 103 and ensuring its stability and smoothness during rotation. Furthermore, after opening the cover plate 300, the cylinder 103 can be directly lifted upwards and separated from the rotating shaft 102, enabling quick disassembly and assembly of the cylinder 103 and facilitating cleaning and maintenance of the filter holes 104.
[0036] It is worth noting that the slot 500 and the insert rod 501 are non-circular structures, and can be triangular, quadrilateral, pentagonal, etc., to ensure that the insert rod 501 can drive the cylinder 103 to rotate synchronously.
[0037] Preferably, a plurality of bearings 600 are mounted on the outer surface of the rotating shaft 102, the outer surface of the bearings 600 is connected to the inner wall of the hollow shaft 200, and a sealing ring 601 is provided between the outer surface of the rotating shaft 102 near its top and the inner wall of the hollow shaft 200.
[0038] By setting the bearing 600, the rotating shaft 102 and the hollow shaft 200 can play a mutual positioning role. When the rotating shaft 102 rotates, the hollow shaft 200 provides external support for it, and when the hollow shaft 200 rotates, the rotating shaft 102 provides internal support for it, so that the rotating shaft 102 and the hollow shaft 200 can rotate stably and avoid vibration.
[0039] Preferably, support columns 700 are installed at the four corners of the bottom of the housing 100, and a tray 701 is installed between the four support columns 700. The first motor 101 and the second motor 202 are both installed on the upper surface of the tray 701.
[0040] The support plate 701 provides mounting positions for the first motor 101 and the second motor 202, enabling them to operate stably.
[0041] Preferably, the cover plate 300 is bolted to the top of the housing 100.
[0042] The bolted connection allows the cover plate 300 to be stably and reliably installed on the top of the housing 100, and ensures that the ball bearing 503 always rolls inside the annular guide groove 502, thus guaranteeing the stability of the cylinder 103 when it rotates.
[0043] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A mortar curing box with filtering structure, comprising a box body (100), characterized in that: a first motor (101) is arranged at the bottom of the box body (100), the end of the output shaft of the first motor (101) is connected with a rotating shaft (102), the end of the rotating shaft (102) penetrates into the box body (100) and is provided with a cylinder (103), a first discharging hole (107) is formed at the top of the cylinder (103), and filter holes (104) are arranged on the outer surface of the cylinder (103). A piston pump (105) is mounted on the outer surface of the box body (100) close to the bottom, and a discharging pipe (106) is connected to the output end of the piston pump (105).
2. The mortar curing box with filtering structure according to claim 1, characterized in that: a hollow shaft (200) is arranged at the bottom of the box body (100) and is rotatably arranged, the rotating shaft (102) is coaxially arranged in the hollow shaft (200), stirring blades (201) are arranged on the outer surface of the hollow shaft (200), a second motor (202) is arranged at the bottom of the box body (100), and a belt pulley set (203) is arranged in transmission between the output shaft of the second motor (202) and the hollow shaft (200).
3. The mortar curing box with filtering structure according to claim 1, characterized in that: a cover plate (300) is arranged at the top of the box body (100), a second discharging hole (301) is formed on the surface of the cover plate (300), and the diameter of the second discharging hole (301) is consistent with that of the first discharging hole (107) and is coaxially arranged.
4. The mortar curing box with filtering structure according to claim 2, characterized in that: a scraper (400) is arranged on the outer surface of the stirring blade (201), and the outer surface of the scraper (400) is in contact with the inner wall of the box body (100).
5. The mortar curing box with filtering structure according to claim 3, characterized in that: a slot (500) is formed at the bottom of the cylinder (103), a plug rod (501) is arranged at the top of the rotating shaft (102), an annular guide groove (502) is formed on the upper surface of the cylinder (103), and a plurality of rolling balls (503) are arranged on the lower surface of the cover plate (300) along the track of the annular guide groove (502).
6. The mortar curing box with filtering structure according to claim 2, characterized in that: a plurality of bearings (600) are arranged on the outer surface of the rotating shaft (102), the outer surface of the bearing (600) is connected with the inner wall of the hollow shaft (200), and a sealing ring (601) is arranged between the outer surface of the rotating shaft (102) close to the top and the inner wall of the hollow shaft (200).
7. The mortar curing box with filtering structure according to claim 2, characterized in that: Supporting columns (700) are installed at the four corners of the bottom of the box body (100), a supporting plate (701) is installed between the four supporting columns (700), and the first motor (101) and the second motor (202) are both installed on the upper surface of the supporting plate (701).
8. The mortar curing box with a filtering structure according to claim 3, characterized in that: The cover plate (300) is installed on the top of the box body (100) through bolts.
Citation Information
Patent Citations
Mortar curing box with filtering structure
CN215038724U