Sand screening device for building construction
By introducing crushing devices and shaking filters into the construction sand screening device, the problem of slow screening speed of sand and gravel agglomeration and filters is solved, and the crushing of large pieces of sand and gravel and the rapid cleaning of filters is achieved, and screening is improved efficiency.
Patent Information
- Application Number
- CN202323235202.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-29
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-11-29
AI Technical Summary
When used in existing construction sand screening machines, sand and stones are prone to agglomeration and the filter screening speed is too slow, resulting in clogging of the filter.
A construction sand screening device is designed, including a crushing device and a shaking filter. The crushing device drives the blade to rotate and crush the sand and stone through the motor. The shaking filter drives the disc and half gear through the motor to shake the filter horizontally, accelerating the sand and stone through the passage of the sand and stone. .
Effectively break large pieces of sand and stone to prevent clumping, and increase the screening speed by shaking the filter to avoid clogging of the filter.
Smart Images
Figure CN222132547U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction and discloses a building construction sand screening device. Background Art
[0002] Building construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place of construction is called "construction site" or "construction site", also called construction site. Sand screening machine is needed in the process of building construction.
[0003] The patent number CN218424133U in the prior art introduces a sand screening machine for construction, including a workbench, the workbench is a horizontal square plate structure, a spring is fixed to the bottom end surface of the workbench, the other end of the spring is fixedly connected to the base, a vibration motor is installed on the bottom end surface of the workbench, and a support plate is fixed to the top end surface of the workbench. Two support plates are provided and are symmetrically distributed front and back about the workbench, and a fixed plate is fixed between the two support plates, and a hollow cavity is opened in the fixed plate. After the sand screening machine has finished screening sand, the sand screening plate is rotated to the right and then fixed by a fixing device. At this time, the suction pump is started, and the suction pump sucks air through the connecting pipe and the fixing plate, and finally the air is ejected downward through the air nozzle to flush the sand blocked on the filter net of the sand screening plate, so that the filter net can be quickly cleaned and the operation is convenient.
[0004] However, the patents in the prior art have the following disadvantages:
[0005] (1) When the patent in the prior art is in use, the sand and gravel clump together, and the clumped sand and gravel cannot be filtered and screened.
[0006] (2) When the patent in the prior art is in use, the speed at which sand passes through the filter is too slow, which may cause sand accumulation and lead to clogging of the filter. Utility Model Content
[0007] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a construction sand screening device which can not only crush sand and gravel but also has a faster screening speed.
[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a construction sand screening device, comprising a base, a screening box is provided at the upper end of the base, a feeding port is provided at the upper end of the screening box, a channel is provided at the bottom end of the screening box, a crushing device is provided inside the screening box, a conveyor belt is provided inside the channel, the conveyor belt passes through the screening box, a door panel is provided at the front end of the screening box, the door panel is rotatably connected to the screening box, a filter screen is provided above the conveyor belt, the filter screen is slidably connected to the screening box, a sawtooth block is provided on the surface of one end of the filter screen, a shaking device is provided above the sawtooth block, the shaking device comprises a fixing box, the fixing box is fixedly connected to the screening box, and a cleaning device is provided at the upper end of the filter screen.
[0009] Furthermore, the crushing device includes a rotating shaft, one end of the rotating shaft is provided with a first motor, the bottom end is fixedly connected to a screening box, and the surface of the rotating shaft of the first motor is provided with a blade, and the blade is multiple.
[0010] Furthermore, the cleaning device comprises a screw rod, both ends of which are rotatably connected to the screening box, a sliding shaft is provided on one side of the screw rod, and a second motor is provided on one end of the screw rod.
[0011] Furthermore, a scraper is sleeved on the surface of the sliding shaft, the scraper is threadedly connected to the screw rod, and the bottom end of the scraper contacts the filter screen.
[0012] Furthermore, a third motor is provided at one end of the fixed box, a disc is provided inside the fixed box, the disc is fixedly connected to the third motor, a protrusion is provided on the surface of the disc, a slider is provided on one side of the disc, a slide groove is provided inside the slider, and the protrusion is located in the slide groove.
[0013] Furthermore, a half gear is provided at the bottom end of the slider, the half gear is hinged to the sawtooth block, and a fixed shaft is provided at the bottom of the slider, and the fixed shaft is rotatably connected to the fixed box.
[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:
[0015] (1) The utility model solves the problem that the existing construction sand screening device cannot break large pieces of sand and gravel by providing a crushing device. The first motor can drive the rotating shaft to rotate, thereby rotating the blade to break the passing sand and gravel to prevent the agglomerated sand and gravel from being unable to be filtered.
[0016] (2) The utility model solves the problem that the existing sand screening device in construction is unable to screen at a slow speed by providing a filter net that can shake. The filter net can filter out larger stones. The third motor drives the filter net to shake horizontally in the crushing box, so that the sand and stones on the filter net shake, thereby accelerating the speed at which the sand and stones pass through the filter net. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the internal three-dimensional structure of a construction sand screening device of the utility model;
[0018] Figure 2 This is a rear view of a construction sand screening device of the utility model;
[0019] Figure 3 This is a three-dimensional structural schematic diagram of a construction sand screening device of the utility model;
[0020] Figure 4 This is a schematic diagram of the internal structure of a fixing box of a construction sand screening device of the utility model;
[0021] Figure 5 The utility model is a kind of construction sand screening device Figure 1 Enlarged view of point A in the middle;
[0022] Among them: 1. base; 2. screening box; 201. feed port; 202. channel; 203. door panel; 3. crushing device; 301. rotating shaft; 302. first motor; 303. blade; 4. conveyor belt; 5. filter screen; 501. sawtooth block; 6. shaking device; 601. fixed box; 6011. third motor; 602. disc; 603. bump; 604. slider; 605. half gear; 606. fixed shaft; 7. cleaning device; 701. screw; 702. sliding shaft; 703. second motor; 704. scraper. DETAILED DESCRIPTION
[0023] 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.
[0024] See also Figure 1-5A construction sand screening device includes a base 1, a screening box 2 is provided at the upper end of the base 1, a material inlet 201 is provided at the upper end of the screening box 2, sand and gravel are added into the screening box 2 from the material inlet 201, a channel 202 is provided at the bottom end of the screening box 2, a crushing device 3 is provided inside the screening box 2, the crushing device 3 can crush the agglomerated sand and gravel, a conveyor belt 4 is provided inside the channel 202, the conveyor belt 4 runs through the screening box 2, the conveyor belt 4 can transport the screened sand and gravel out of the screening box 2, and a door panel 203 is provided at the front end of the screening box 2, and the door panel 203 rotates Connected to the screening box 2, the door panel 203 can be opened to facilitate cleaning the inside of the screening box 2 and recovering sand and gravel. There is a filter screen 5 above the conveyor belt 4, and the filter screen 5 can filter sand and gravel. The filter screen 5 is slidably connected to the screening box 2. A sawtooth block 501 is provided on the surface of one end of the filter screen 5, and a shaking device 6 is provided above the sawtooth block 501. The shaking device 6 can control the filter screen 5 to shake in the screening box 2. The shaking device 6 includes a fixing box 601, and the fixing box 601 is fixedly connected to the screening box 2. A cleaning device 7 is provided on the upper end of the filter screen 5.
[0025] Specifically, the cleaning device 7 includes a screw 701, both ends of which are rotatably connected to the screening box 2, a sliding shaft 702 is provided on one side of the screw 701, and a second motor 703 is provided at one end of the screw 701. The second motor 703 can control the rotation of the screw 701, and a scraper 704 is sleeved on the surface of the sliding shaft 702. The scraper 704 is threadedly connected to the screw 701 and will move with the rotation of the screw 701. The bottom end of the scraper 704 contacts the filter screen 5 and can scrape off the sand and stones on the surface of the filter screen 5.
[0026] Through the above technical solution, starting the second motor 703 can rotate the screw 701, move the scraper 704 along the sliding shaft 702, and then make the scraper 704 scrape away the sand and stones on the surface of the filter screen 5 to prevent the filter screen 5 from being blocked.
[0027] Specifically, the crushing device 3 includes a rotating shaft 301, one end of the rotating shaft 301 is provided with a first motor 302, and the bottom end is fixedly connected to the screening box 2. The first motor 302 can control the rotation of the rotating shaft 301. The surface of the rotating shaft 301 of the first motor 302 is provided with a blade 303, and there are multiple blades 303.
[0028] Through the above technical solution, the first motor 302 can drive the rotating shaft 301 to rotate, thereby rotating the blade 303 to break the passing sand and gravel to prevent the agglomerated sand and gravel from being unable to be filtered.
[0029] Specifically, a third motor 6011 is provided at one end of the fixed box 601, a disc 602 is provided inside the fixed box 601, the third motor 6011 is fixedly connected to the disc 602, and can drive the disc 602 to rotate, a protrusion 603 is provided on the surface of the disc 602, a slider 604 is provided on one side of the disc 602, a slide groove is provided inside the slider 604, the protrusion 603 is located in the slide groove, a half gear 605 is provided at the bottom end of the slider 604, the half gear 605 is hinged to the sawtooth block 501, a fixed shaft 606 is provided at the bottom of the slider 604, and the fixed shaft 606 is rotatably connected to the fixed box 601.
[0030] Through the above technical solution, the third motor 6011 drives the disc 602 to rotate, causing the protrusion 603 to slide inside the slider 604, driving the half gear 605 to swing, and the half gear 605 contacts the sawtooth block 501, thereby causing the filter screen 5 to shake in the horizontal direction, accelerating the passage of sand and gravel through the filter screen 5.
[0031] When in use, sand and gravel are poured into the screening box 2 from the feed port 201, the first motor 302 is started to drive the rotating shaft 301 to rotate, so that the blade 303 rotates to crush the passing sand and gravel to prevent the agglomerated sand and gravel from being unable to be filtered, and the crushed sand and gravel fall into the filter screen 5, the third motor 6011 is started to drive the disc 602 to rotate, drive the half gear 605 to swing, and the half gear 605 contacts the sawtooth block 501, so that the filter screen 5 shakes in the horizontal direction, accelerates the sand and gravel to pass through the filter screen 5, and then the sand and gravel fall on the conveyor belt 4 and are transported out of the screening box 2, and the second motor 703 is started to rotate the screw 701, so that the scraper 704 moves along the sliding shaft 702, so that the scraper 704 scrapes off the sand and gravel on the surface of the filter screen 5 to prevent the filter screen 5 from being blocked.
[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A sand screening device for construction, comprising a base (1), characterized in that: A screening box (2) is provided at the upper end of the base (1), a material inlet (201) is provided at the upper end of the screening box (2), a channel (202) is provided at the bottom end of the screening box (2), a crushing device (3) is provided inside the screening box (2), a conveyor belt (4) is provided inside the channel (202), the conveyor belt (4) passes through the screening box (2), a door panel (203) is provided at the front end of the screening box (2), the door panel (203) is rotatably connected to the screening box (2), a filter screen (5) is provided above the conveyor belt (4), the filter screen (5) is slidably connected to the screening box (2), a sawtooth block (501) is provided on one end surface of the filter screen (5), a shaking device (6) is provided above the sawtooth block (501), the shaking device (6) comprises a fixing box (601), the fixing box (601) is fixedly connected to the screening box (2), and a cleaning device (7) is provided at the upper end of the filter screen (5).
2. A construction sand screening device according to claim 1, characterized in that: The crushing device (3) comprises a rotating shaft (301), one end of the rotating shaft (301) is provided with a first motor (302), the bottom end is fixedly connected to the screening box (2), the first motor (302) and the surface of the rotating shaft (301) are provided with blades (303), and there are multiple blades (303).
3. A construction sand screening device according to claim 1, characterized in that: The cleaning device (7) comprises a screw rod (701), both ends of which are rotatably connected to the screening box (2), a sliding shaft (702) is provided on one side of the screw rod (701), and a second motor (703) is provided on one end of the screw rod (701).
4. A construction sand screening device according to claim 3, characterized in that: A scraper (704) is sleeved on the surface of the sliding shaft (702), the scraper (704) is threadedly connected to the screw rod (701), and the bottom end of the scraper (704) contacts the filter screen (5).
5. A construction sand screening device according to claim 1, characterized in that: A third motor (6011) is provided at one end of the fixed box (601), a disc (602) is provided inside the fixed box (601), the disc (602) is fixedly connected to the third motor (6011), a protrusion (603) is provided on the surface of the disc (602), a slider (604) is provided on one side of the disc (602), a slide groove is provided inside the slider (604), and the protrusion (603) is located in the slide groove.
6. A construction sand screening device according to claim 5, characterized in that: A half gear (605) is provided at the bottom of the slider (604), and the half gear (605) is hinged to the sawtooth block (501). A fixed shaft (606) is provided at the bottom of the slider (604), and the fixed shaft (606) is rotatably connected to the fixed box (601).