Sand screening machine for concrete mixing
By setting up replacement devices and feeding devices in the sand screening machine, the problem of difficulty in disassembling the filter net is solved, and screening and thorough screening of different particle sizes of sand is achieved, improving operating efficiency and effect.
Patent Information
- Application Number
- CN202420501291.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-14
AI Technical Summary
The internal filter mesh of existing sand screening machines is fixed, making it difficult to disassemble and replace, making it difficult to screen different particle sizes of sand, affecting efficiency.
A sand screening machine for concrete mixing is designed, equipped with a replacement device, including rectangular grooves, pulleys, grooves, baffles and springs, allowing the filter to be replaced easily, and the sand is thoroughly screened through a twisted dragon and a motor.
The rapid replacement of the filter and the screening of different particle sizes of sand are realized, which avoids sand leakage and ensures screening efficiency and effect.
Smart Images
Figure CN222132533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand screening machines for concrete mixing, in particular to a sand screening machine for concrete mixing. Background Art
[0002] Sand screening machine, also known as dryland sand screening ship, sand and gravel separator, is a sand and gravel separation equipment suitable for rivers, reservoirs, and coal yards. It consists of a hull, a frame, a reducer, a conveyor belt, a rotary screen, an engine or a motor. This machine has a simple structure, is economical and easy to operate.
[0003] The inventor discovered during daily use of the sand screening machine that the filter screen inside the sand screening machine is usually installed and fixed inside the sand screening machine. When it is necessary to screen sand of different particle sizes, since the filter screen is installed inside the sand screening machine, the sand screening machine needs to be disassembled for replacement in order to replace the filter screen, which makes it inconvenient to replace the filter screen, making it inconvenient to screen sand when different particle sizes are required, thus causing an impact. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a sand screening machine for concrete mixing.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sand screening machine for concrete mixing, comprising a sand screening machine, a replacement device is arranged inside the sand screening machine, a feed port is fixedly connected to the upper top of the sand screening machine, a first discharge port is opened on the lower surface of the sand screening machine, a second discharge port is opened on the side of the sand screening machine, a feeding device is arranged on the surface of the sand screening machine, the replacement device comprises a rectangular groove opened inside the sand screening machine, a filter net is inserted inside the rectangular groove, and a handle is fixedly connected to the side of the filter net.
[0006] The effect achieved by the above components is: by setting up a replacement device, sand can be screened into different particle sizes. Under the action of the rectangular groove, the filter net can be easily replaced, thereby achieving the effect of screening sand of different particle sizes.
[0007] Preferably, a groove is formed on the inner wall of the rectangular groove, a pulley is rotatably connected inside the groove, and a filter is slidably connected to the surface of the pulley.
[0008] The effect achieved by the above components is that, under the action of the groove and the pulley, the filter screen can be replaced more smoothly.
[0009] Preferably, a baffle is slidably connected to the inner wall of the rectangular groove, and a handle is fixedly connected to the surface of the baffle.
[0010] The effect achieved by the above components is: under the action of the baffle and the handle, after the filter screen is replaced, the rectangular groove can be blocked, thereby preventing sand from leaking from the opening of the rectangular groove.
[0011] Preferably, a clamping rod is inserted into the side of the sand screening machine, a spring is sleeved on the surface of the clamping rod, one end of the spring is fixedly connected to the side of the sand screening machine, and the other end of the spring is fixedly connected to an end of the clamping rod away from the sand screening machine.
[0012] The effect achieved by the above-mentioned components is: under the action of the spring, the clamping rod is inserted into the interior of the filter in a self-locking manner, thereby achieving the effect of fixing the filter. When the filter needs to be replaced, the handle is pulled to push the baffle upwards, so that the baffle is tightened inside the sand screening machine, and the handle is pulled to pull the filter out from the interior of the rectangular groove for replacement, and the new filter is inserted into the interior of the rectangular groove. Under the action of the groove and the pulley, the filter can be replaced more smoothly when it is replaced. Under the action of the spring, the clamping rod is inserted into the interior of the filter in a self-locking manner, thereby achieving the effect of fixing the filter. The baffle is pulled out from the interior of the sand screening machine through the handle, and the opening of the rectangular groove is blocked, thereby avoiding the phenomenon of sand leaking from the opening of the rectangular groove, thereby achieving the effect of replacing the filter.
[0013] Preferably, the feeding device includes a collecting frame fixedly connected to the bottom of the second discharge port, an auger is arranged inside the collecting frame, a gap is left between the outer shell of the auger and the bottom of the collecting frame, a motor is fixedly connected to the bottom of the collecting frame, the output end of the motor is fixedly connected to one end of the screw inside the auger, and the other end of the auger is fixedly connected to the feeding frame.
[0014] The effect achieved by the above components is that under the action of the auger, the sieve that has not been completely screened can be screened again, and the sand can be screened completely.
[0015] Preferably, a clamp is fixedly connected to the side of the sand screening machine, and an auger is arranged inside the clamp.
[0016] The effect achieved by the above components is: under the action of the hoop, the auger can be fixed on the side of the sand screening machine for use, thereby avoiding the phenomenon that the auger is separated from the side of the sand screening machine.
[0017] Preferably, a driving machine is fixedly connected to the side of the sand screening machine, a groove body is opened on the inner wall of the sand screening machine, a threaded rod is rotatably connected inside the groove body, the output end of the driving machine is fixedly connected to the threaded rod, and a scraper is threadedly connected to the surface of the threaded rod.
[0018] The effect achieved by the above components is: under the action of the threaded rod, the scraper can reciprocate, so that the sand accumulated on the surface of the filter screen can be pushed out of the sand screening machine.
[0019] Preferably, a groove body is opened on the inner wall of the other side of the sand screening machine, a fixing rod is fixedly connected to the interior of the groove body, and a scraper is slidably connected to the surface of the fixing rod.
[0020] The effects achieved by the above components are as follows: under the action of the fixed rod, the scraper will not bend, thereby achieving the phenomenon of assisting the scraper movement. When incompletely screened sand accumulates on the surface of the filter screen, the driving machine is started to rotate the threaded rod, thereby causing the scraper to reciprocate. Under the action of the fixed rod, the scraper will not bend, thereby achieving the phenomenon of assisting the scraper movement, thereby pushing all the accumulated sand out of the sand screening machine and dropping it into the collection frame from the second discharge port. The motor is started to allow the sand to enter the interior of the auger through the gap between the auger shell and the bottom of the collection frame, thereby allowing the sand to move upward through the auger and enter the interior of the feed port through the feed frame, thereby allowing the completely screened sand to be screened again, thereby achieving the feeding effect.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by arranging a replacement device, when the filter needs to be replaced, the handle is pulled to push the baffle upwards, so that the baffle is tightened inside the sand screening machine, the handle is pulled to draw the filter out from the inside of the rectangular groove for replacement, and the new filter is inserted into the inside of the rectangular groove. Under the action of the groove and the pulley, the filter can be replaced more smoothly when it is replaced, and under the action of the spring, the clamping rod is inserted into the inside of the filter in a self-locking phenomenon, thereby achieving the effect of fixing the filter, and the baffle is pulled out from the inside of the sand screening machine through the handle to block the opening of the rectangular groove, thereby avoiding the phenomenon of sand leaking from the opening of the rectangular groove, thereby achieving the effect of replacing the filter, thereby solving the problem that it is inconvenient to replace the filter in the sand screening machine, resulting in inconvenience in screening sand of different particle sizes. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a sand screening machine for concrete mixing;
[0024] Figure 2 A schematic diagram of a replacement device for a sand screening machine for concrete mixing is provided for the utility model;
[0025] Figure 3 A partial schematic diagram of a replacement device for a sand screening machine for concrete mixing proposed by the utility model;
[0026] Figure 4 The utility model provides a schematic diagram of a feeding device of a sand screening machine for concrete mixing;
[0027] Figure 5 This is a partial schematic diagram of a feeding device of a sand screening machine for concrete mixing proposed by the utility model;
[0028] Figure 6 The utility model provides a partial schematic diagram of a feeding device of a sand screening machine for concrete mixing.
[0029] Legend: 1. Sand screening machine; 2. Replacement device; 201. Rectangular trough; 202. Filter; 203. Handle; 204. Pulley; 205. Groove; 206. Baffle; 207. Handle; 208. Clamp; 209. Spring; 3. Feeding device; 31. Driving machine; 32. Trough body; 33. Threaded rod; 34. Scraper; 35. Fixing rod; 36. Collecting frame; 37. Auger; 38. Hoop; 39. Feeding frame; 310. Motor; 4. Feeding port; 5. Second discharging port; 6. First discharging port. DETAILED DESCRIPTION
[0030] Embodiment 1, as Figure 1-6 As shown, a sand screening machine 1 for concrete mixing comprises a sand screening machine 1, a replacement device 2 is arranged inside the sand screening machine 1, a feed port 4 is fixedly connected to the upper top of the sand screening machine 1, a first discharge port 6 is provided on the lower surface of the sand screening machine 1, a second discharge port 5 is provided on the side of the sand screening machine 1, and a feeding device 3 is arranged on the surface of the sand screening machine 1. Sand to be screened is poured into the interior of the sand screening machine 1 through the feed port 4, screened through a filter net 202, and the usable sand is discharged down, and the sand that is not completely screened is again fed into the interior of the sand screening machine 1 from the feed port 4 through the feeding device 3 for screening, thereby achieving the effect of screening sand.
[0031] Reference Figure 2-3The replacement device 2 includes a rectangular groove 201 provided inside the sand screening machine 1, a filter screen 202 is inserted inside the rectangular groove 201, and a handle 203 is fixedly connected to the side of the filter screen 202. By setting the replacement device 2, sand of different particle sizes can be screened. Under the action of the rectangular groove 201, the filter screen 202 can be easily replaced, thereby achieving the effect of screening sand of different particle sizes. A groove 205 is provided on the inner wall of the rectangular groove 201, and a pulley 204 is rotatably connected inside the groove 205, and the filter screen 203 is slidably connected to the surface of the pulley 204. 2. Under the action of the groove 205 and the pulley 204, the filter screen 202 can be replaced more smoothly. The inner wall of the rectangular groove 201 is slidably connected with a baffle 206, and the surface of the baffle 206 is fixedly connected with a handle 207. Under the action of the baffle 206 and the handle 207, after the filter screen 202 is replaced, the rectangular groove 201 can be blocked, thereby avoiding the phenomenon of sand leaking from the opening of the rectangular groove 201. A clamping rod 208 is inserted on the side of the sand screening machine 1, and a spring 209 is sleeved on the surface of the clamping rod 208. The spring 209 One end of the spring 209 is fixedly connected to the side of the sand screening machine 1, and the other end of the spring 209 is fixedly connected to the end of the clamping rod 208 away from the sand screening machine 1. Under the action of the spring 209, the clamping rod 208 is self-locking and inserted into the interior of the filter 202, thereby achieving the function of fixing the filter 202. When the filter 202 needs to be replaced, the handle 207 is pulled to push the baffle 206 upward, so that the baffle 206 is tightened inside the sand screening machine 1, and the handle 203 is pulled to pull the filter 202 out of the rectangular groove 201 for replacement, and the new filter 202 is inserted It is arranged inside the rectangular groove 201, and under the action of the groove 205 and the pulley 204, the filter screen 202 can be replaced more smoothly when it is replaced. Under the action of the spring 209, the clamping rod 208 is inserted into the inside of the filter screen 202 in a self-locking manner, thereby achieving the effect of fixing the filter screen 202, and the baffle 206 is pulled out from the inside of the sand screening machine 1 through the handle 207, thereby blocking the opening of the rectangular groove 201, thereby avoiding the phenomenon of sand leaking from the opening of the rectangular groove 201, thereby achieving the effect of replacing the filter screen 202.
[0032] Reference Figure 4-6The feeding device 3 includes a collecting frame 36 fixedly connected to the bottom of the second discharge port 5, an auger 37 is arranged inside the collecting frame 36, a gap is left between the shell of the auger 37 and the bottom of the collecting frame 36, a motor 310 is fixedly connected to the bottom of the collecting frame 36, the output end of the motor 310 is fixedly connected to one end of the screw inside the auger 37, and the other end of the auger 37 is fixedly connected to the feeding frame 39. Under the action of the auger 37, the sieve that has not been completely screened can be screened again, so that the sand can be screened thoroughly. A hoop 38 is fixedly connected to the side of the sand screening machine 1, and an auger 37 is arranged inside the hoop 38. Under the action of the hoop 38,. The auger 37 can be fixed on the side of the sand screening machine 1 for use, thereby avoiding the phenomenon of the auger 37 detaching from the side of the sand screening machine 1. The side of the sand screening machine 1 is fixedly connected with a driving machine 31, and a groove body 32 is provided on the inner wall of the sand screening machine 1. A threaded rod 33 is rotatably connected inside the groove body 32. The output end of the driving machine 31 is fixedly connected with a threaded rod 33. The surface of the threaded rod 33 is threadedly connected with a scraper 34. Under the action of the threaded rod 33, the scraper 34 can reciprocate, so that the sand accumulated on the surface of the filter screen 202 can be completely pushed out of the sand screening machine 1. A groove body 32 is provided on the inner wall on the other side of the sand screening machine 1. A fixing rod 35 is fixedly connected inside the groove body 32. The surface of the fixing rod 35 is slidably connected with the scraper 34. Under the action of the fixing rod 35, the scraper 34 will not bend. Phenomenon, thereby achieving the movement of the auxiliary scraper 34. When incompletely screened sand accumulates on the surface of the filter screen 202, the driving machine 31 is started, so that the threaded rod 33 is rotated, so that the scraper 34 reciprocates. Under the action of the fixing rod 35, the scraper 34 will not bend, thereby achieving the movement of the auxiliary scraper 34, and then all the accumulated sand is pushed out of the sand screening machine 1 and falls into the interior of the collecting frame 36 from the second discharge port 5. The motor 310 is started, so that the sand enters the interior of the auger 37 through the gap between the outer shell of the auger 37 and the bottom of the collecting frame 36, so that the sand moves upward through the auger 37 and enters the interior of the feed port 4 through the feed frame 39, so that the completely screened sand is screened again, thereby achieving the feeding effect.
[0033] Working principle: when the sand screening machine 1 for concrete mixing is needed, the sand to be screened is poured into the interior of the sand screening machine 1 through the feed port 4, screened through the filter screen 202, and the usable sand is discharged down, and the sand that has not been completely screened is again fed into the interior of the sand screening machine 1 from the feed port 4 through the feed device 3 for screening, thereby achieving the function of screening sand. When the filter screen 202 needs to be replaced, the handle 207 is pulled, and the baffle 206 is pushed upward, so that the baffle 206 is tightened to screen the sand. The filter 202 is pulled out of the rectangular groove 201 for replacement by pulling the handle 203, and the new filter 202 is inserted into the rectangular groove 201. Under the action of the groove 205 and the pulley 204, the filter 202 can be replaced more smoothly. Under the action of the spring 209, the clamping rod 208 is inserted into the filter 202 in a self-locking manner, thereby achieving the effect of fixing the filter 202. The baffle 206 is The handle 207 is pulled out from the inside of the sand screening machine 1, and the opening of the rectangular groove 201 is blocked, thereby preventing sand from leaking out of the opening of the rectangular groove 201, thereby achieving the purpose of replacing the filter screen 202. When the surface of the filter screen 202 is piled with sand that has not been completely screened, the driving machine 31 is started, and the threaded rod 33 is rotated, so that the scraper 34 reciprocates. Under the action of the fixing rod 35, the scraper 34 does not bend, thereby achieving the phenomenon of assisting the movement of the scraper 34, and then all the accumulated sand is pushed out of the sand screening machine 1 and falls into the inside of the collecting frame 36 from the second discharge port 5. The motor 310 is started, and the sand enters the inside of the auger 37 from the gap between the outer shell of the auger 37 and the bottom of the collecting frame 36, so that the sand moves upward through the auger 37 and enters the inside of the feed port 4 through the feed frame 39, so that the sand that has not been completely screened is screened again, thereby achieving the purpose of feeding.
Claims
1. A sand screening machine for concrete mixing, comprising a sand screening machine (1), characterized in that: The sand screening machine (1) is provided with a replacement device (2) inside, the upper top of the sand screening machine (1) is fixedly connected with a feed port (4), the lower surface of the sand screening machine (1) is provided with a first discharge port (6), the side of the sand screening machine (1) is provided with a second discharge port (5), the surface of the sand screening machine (1) is provided with a feed device (3), and the replacement device (2) comprises a rectangular groove (201) provided inside the sand screening machine (1), a filter screen (202) is inserted inside the rectangular groove (201), and a handle (203) is fixedly connected to the side of the filter screen (202).
2. The sand screening machine for concrete mixing according to claim 1, characterized in that: The inner wall of the rectangular groove (201) is provided with a groove (205), the interior of the groove (205) is rotatably connected to a pulley (204), and the surface of the pulley (204) is slidably connected to a filter screen (202).
3. The sand screening machine for concrete mixing according to claim 2, characterized in that: The inner wall of the rectangular groove (201) is slidably connected with a baffle (206), and the surface of the baffle (206) is fixedly connected with a handle (207).
4. The sand screening machine for concrete mixing according to claim 3, characterized in that: A clamping rod (208) is inserted into the side of the sand screening machine (1), and a spring (209) is sleeved on the surface of the clamping rod (208). One end of the spring (209) is fixedly connected to the side of the sand screening machine (1), and the other end of the spring (209) is fixedly connected to an end of the clamping rod (208) away from the sand screening machine (1).
5. The sand screening machine for concrete mixing according to claim 4, characterized in that: The feeding device (3) comprises a collecting frame (36) fixedly connected to the bottom of the second discharge port (5); an auger (37) is arranged inside the collecting frame (36); a gap is left between the outer shell of the auger (37) and the bottom of the collecting frame (36); a motor (310) is fixedly connected to the bottom of the collecting frame (36); the output end of the motor (310) is fixedly connected to one end of a screw inside the auger (37); and the other end of the auger (37) is fixedly connected to the feeding frame (39).
6. The sand screening machine for concrete mixing according to claim 5, characterized in that: A hoop (38) is fixedly connected to the side of the sand screening machine (1), and an auger (37) is arranged inside the hoop (38).
7. The sand screening machine for concrete mixing according to claim 6, characterized in that: A driving machine (31) is fixedly connected to the side of the sand screening machine (1), a slot body (32) is provided on the inner wall of the sand screening machine (1), a threaded rod (33) is rotatably connected to the interior of the slot body (32), an output end of the driving machine (31) is fixedly connected to the threaded rod (33), and a scraper (34) is threadedly connected to the surface of the threaded rod (33).
8. The sand screening machine for concrete mixing according to claim 7, characterized in that: A groove body (32) is provided on the inner wall of the other side of the sand screening machine (1), a fixing rod (35) is fixedly connected inside the groove body (32), and a scraper (34) is slidably connected to the surface of the fixing rod (35).