Building multi-stage sand screening machine
By designing a multi-stage screening motion device, the reciprocating oscillation and oscillating impact force of cams and impact rollers are used to solve the problem of easy screen clogging, realize efficient multi-stage screening and classification collection, and improve the efficiency of sand sorting.
Patent Information
- Application Number
- CN202420504350.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-03-14
AI Technical Summary
Existing multi-stage screening mechanisms are prone to clogging, resulting in low screening efficiency and requiring frequent screen cleaning, which affects production efficiency.
It adopts a multi-stage screening motion device, including a combination of cams, impact rollers and screen plates, and avoids clogging through reciprocating swing and oscillating impact force, so as to achieve multi-stage screening and classified collection.
It improves screening efficiency, avoids screen clogging, reduces cleaning frequency, and enhances sand sorting efficiency.
Smart Images
Figure CN223683908U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building construction equipment technical field, concretely is a building multistage sand screening machine. BACKGROUND
[0002] The sand screening machine technology is through the filtering effect of the mesh hole of a plurality of different mesh screens, realizes the separation between the sand particles with large particle size and the sand particles with small particle size. When the particle size of the material needs to be classified and separated or the material needs to be screened multiple times to ensure the screening quality, a multistage screening mechanism needs to be used.
[0003] During the multistage screening process of the multistage screening mechanism, the sand particles with a size close to the mesh size of the mesh hole are often blocked in the mesh hole and are not easy to clean. During the screening process of the material, the mesh hole is also easily blocked. Since the vibrating screen performs the screening operation in a regular motion track state, the blocked material is difficult to change the position and can only be more and more blocked. Therefore, the staff needs to frequently dredge and clean the mesh screen, which is very time-consuming and laborious and affects the production efficiency. SUMMARY
[0004] (I) Technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a building multistage sand screening machine, which has the advantages of not being easy to block and high-efficiency screening, and solves the problem that the screening mesh in the traditional way needs to be dredged and cleaned after being used for a period of time, which is not conducive to the sand screening efficiency.
[0006] (II) Technical scheme
[0007] In order to achieve the above-mentioned purposes of not being easy to block and high-efficiency screening, the utility model provides the following technical scheme: a building multistage sand screening machine, which comprises a sand screening machine bottom plate, the upper surface of the sand screening machine bottom plate is fixedly connected with a sieve plate fixing frame, the upper surface of the sieve plate fixing frame is fixedly connected with a feeding hopper, the right side of the feeding hopper is provided with a discharge port, and the upper surface of the sand screening machine bottom plate is provided with a classification collecting device.
[0008] Among them, the sand screening machine bottom plate is provided with a multistage screening movement device, and the multistage screening movement device comprises a sieve plate fixing plate which is rotationally connected to the right side position of the top plate of the sieve plate fixing frame.
[0009] Among them, the sieve plate fixing plate is fixedly connected with a coarse mesh plate, a fine mesh plate and a bottom disc in sequence, the lower surface of the bottom disc is fixedly connected with a roller fixing seat, and the roller fixing seat is rotationally connected with an impact roller.
[0010] Among them, the upper surface of the sand screening machine bottom plate is fixedly connected with a cam fixing seat, and the cam fixing seat is rotationally connected with a cam shaft.
[0011] Preferably, the outer surface of the camshaft is sleeved with a spiral cam, the impact roller is in contact with the outer contour of the spiral cam, the upper end of the camshaft penetrates through the upper surface of the cam fixing seat and is sleeved with a bevel gear.
[0012] Preferably, the middle plate of the screen plate fixing frame is fixedly connected with a motor, the outer surface of the output shaft of the motor is sleeved with a gear, the gear is in meshing connection with the bevel gear, and the classification collecting device comprises two baffles.
[0013] Preferably, the two baffles are fixedly connected to the upper surface of the sand screening machine bottom plate and are located in the gaps between the coarse screen plate, the fine screen plate and the bottom disc respectively.
[0014] Preferably, the lower portion of the discharge port of each of the coarse screen plate, the fine screen plate and the bottom disc is provided with a corresponding sorting collecting box, and the sorting collecting box is fixedly connected to the upper surface of the sand screening machine bottom plate.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the building multi-stage sand screening machine has the following beneficial effects:
[0017] 1. The building multi-stage sand screening machine, by adding the sand to be screened into the feeding hopper, the sand is discharged from the discharge port and falls into the coarse screen plate, at this time, the motor is started, the output shaft of the motor rotates and drives the gear on it to rotate, the gear rotates and drives the bevel gear on it to rotate, the bevel gear rotates and drives the spiral cam on the camshaft to rotate, the spiral cam rotates and drives the impact roller to gradually move away from itself, so that the impact roller can drive the coarse screen plate, the fine screen plate and the bottom disc to rotate upward with the connection point of the screen plate fixing plate and the screen plate fixing frame as the center, until the impact roller is located at the highest point on the spiral cam and falls from the highest point to the lowest point, the impact roller falls and generates a certain shock impact force, at this time, the coarse screen plate, the fine screen plate and the bottom disc are driven to rotate downward at the same time, thereby forming reciprocating oscillation, so that the sand falling into the coarse screen plate is screened by the reciprocating oscillation, the sand screened by the coarse screen plate, the fine screen plate and the bottom disc is driven to flow to the right end by the reciprocating oscillation, and then falls into the corresponding sorting collecting box from the discharge port, through the operation of the above structure, the sand can be classified and collected in multiple grades at one time, avoiding the need for multiple screening of the same sand in the traditional way, saving time and effort, and improving the efficiency of sand screening.
[0018] 2、The building multistage sand screening machine, through the setting of the spiral cam, provides reciprocating swing power for the whole device, can not only make the sand material be screened by multiple stages, when the impact roller is driven to move by the spiral cam, a certain shock impact force is generated when the impact roller falls, after the coarse screen mesh plate, the fine screen mesh plate and the bottom disc are subjected to the shock impact force, the sand material blocked on the screen mesh is shaken out, so that the screen mesh on the coarse screen mesh plate, the fine screen mesh plate and the bottom disc is not easy to be blocked, greatly improves the usability of the device, avoids the situation that the screening mesh in the traditional mode needs to be dredged and cleaned after being used for a period of time, greatly improves the sand material screening efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is a whole structure schematic view of the utility model;
[0020] Fig. 2 It is an external structure schematic view of the utility model;
[0021] Fig. 3 It is a multistage screening movement device structure schematic view of the utility model.
[0022] In the drawing: 1, sand screening machine bottom plate; 2, screen plate fixing frame; 3, feed hopper; 4, discharge port; 5, screen plate fixing plate; 6, coarse screen mesh plate; 7, fine screen mesh plate; 8, bottom disc; 9, roller fixing seat; 10, impact roller; 11, cam fixing seat; 12, cam shaft; 13, spiral cam; 14, helical gear; 15, motor; 16, gear; 17, baffle; 18, sorting and collecting box. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] Please refer to Figs. 1-3The utility model provides a new technical scheme: a building multistage sand sieving machine, including sand sieving machine bottom plate 1, the upper surface fixed connection of sand sieving machine bottom plate 1 has sieve plate fixed support 2, the upper surface fixed connection of sieve plate fixed support 2 has feeding hopper 3, the right side of feeding hopper 3 is provided with discharge gate 4, and the upper surface of sand sieving machine bottom plate 1 is provided with classified collection device, and the sand sieving machine bottom plate 1 is provided with multistage screening movement device, and multistage screening movement device includes sieve plate fixed plate 5, and sieve plate fixed plate 5 rotationally connects the right side position of sieve plate fixed support 2 top plate, and the upper fixed connection of sieve plate fixed plate 5 has coarse screen mesh plate 6, fine screen mesh plate 7, bottom disc 8 in proper order, the lower surface fixed connection of bottom disc 8 has gyro wheel fixed seat 9, and gyro wheel fixed seat 9 rotationally connects impact gyro wheel 10 in, the upper surface fixed connection of sand sieving machine bottom plate 1 has cam fixed seat 11, and cam fixed seat 11 rotationally connects camshaft 12 in, and the outer surface fixed sleeve of camshaft 12 has screw cam 13, and impact gyro wheel 10 and the outer contour of screw cam 13 contact, and the upper end rotationally penetrates the upper surface of cam fixed seat 11 of camshaft 12, and the upper end fixed sleeve of camshaft 12 has bevel gear 14, and the middle plate fixed connection of sieve plate fixed support 2 has motor 15, and the output shaft outer surface fixed sleeve of motor 15 has gear 16, and gear 16 and bevel gear 14 are engaged connection, and classified collection device includes two baffle 17, and two baffle 17 are fixedly connected on the upper surface of sand sieving machine bottom plate 1, and two baffle 17 are located in the gap between the discharge outlet of coarse screen mesh plate 6, fine screen mesh plate 7, bottom disc 8 respectively, and the discharge outlet below of coarse screen mesh plate 6, fine screen mesh plate 7, bottom disc 8 all is provided with corresponding sorting collection box 18, and sorting collection box 18 all are fixedly connected with the upper surface of sand sieving machine bottom plate 1.
[0025] Further, in use, by adding sand material to be screened into the hopper 3, the sand material will be discharged from the discharge port 4 and fall on the coarse screen plate 6. At this time, the motor 15 is started, the output shaft of the motor 15 rotates, drives the gear 16 on it to rotate, the gear 16 rotates and drives the bevel gear 14 on it to rotate through the teeth, the bevel gear 14 rotates and drives the screw cam 13 to rotate through the cam shaft 12, the screw cam 13 rotates and drives the impact roller 10 to gradually move away from itself, so that the impact roller 10 can drive the coarse screen plate 6, the fine screen plate 7, the bottom plate 8, the connecting point of the screen plate fixing plate 5 and the screen plate fixing frame 2 as the center to rotate upward, until the impact roller 10 is at the highest point on the screw cam 13 and falls from the highest point to the lowest point, the impact roller 10 falls and generates a certain shock impact force, at this time, the coarse screen plate 6, the fine screen plate 7 and the bottom plate 8 are driven to rotate downward at the same time, so as to form reciprocating swing, so that the sand material falling into the coarse screen plate 6 is screened by the reciprocating swing force, the sand material screened by the coarse screen plate 6, the fine screen plate 7 and the bottom plate 8 flows to the right end under the action of the reciprocating swing force, and falls into the corresponding sorting and collecting box 18 from the discharge port, through the operation of the above structure, the sand material can be classified and collected in multiple grades at one time, avoiding the problem that the same sand material needs to be screened multiple times in the traditional way, which is time-consuming and laborious, and the efficiency of sand screening is not high.
[0026] Further, the screw cam 13 provides reciprocating swing power for the whole device, which not only enables the sand material to be screened in multiple stages, but also enables the coarse screen plate 6, the fine screen plate 7 and the bottom plate 8 to be shaken off when the impact roller 10 falls and generates a certain shock impact force when the impact roller 10 is driven to move by the screw cam 13, so that the sand material blocked on the screen of the coarse screen plate 6, the fine screen plate 7 and the bottom plate 8 is shaken off, thereby preventing the screen of the coarse screen plate 6, the fine screen plate 7 and the bottom plate 8 from being blocked, greatly improving the usability of the device, avoiding the situation that the screen needs to be dredged and cleaned after being used for a period of time in the traditional way, and greatly improving the sorting efficiency of the sand material.
[0027] Working principle: in use, by adding sand material to be sieved into the feeding hopper 3, the sand material will be discharged from the discharge port 4, and the sand material will fall into the coarse screen plate 6, at this time, the motor 15 is started, the output shaft of the motor 15 rotates, which drives the gear 16 on it to rotate, when the gear 16 rotates, it will drive the bevel gear 14 to rotate through the teeth on it, the rotation of the bevel gear 14 will drive the screw cam 13 to rotate through the cam shaft 12, when the screw cam 13 rotates, it will drive the impact roller 10 to gradually move away from itself, so that the impact roller 10 can drive the coarse screen plate 6, the fine screen plate 7, the bottom plate 8, the connecting point of the screen plate fixing plate 5 and the screen plate fixing frame 2 to rotate upward with the connecting point as the center, until the impact roller 10 is located at the highest point on the screw cam 13, it will fall from the highest point on the screw cam 13 to the lowest point, when the impact roller 10 falls, it will produce a certain shock impact force, at this time, it will drive the coarse screen plate 6, the fine screen plate 7 and the bottom plate 8 to rotate downward at the same time, so as to form reciprocating swing, so that the sand material falling into the coarse screen plate 6 will be screened by the reciprocating swing force, and the sand material falling into the fine screen plate 7 and the bottom plate 8 will flow to the right end under the action of the reciprocating swing force, until it falls into the corresponding sorting and collecting box 18 from the discharge port on it, through the operation of the above structure, the sand material can be classified and collected in multiple grades at one time.
[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A building multi-stage sand screening machine, comprising a sand screening machine bottom plate (1), characterized in that: The upper surface of the sand screening machine bottom plate (1) is fixedly connected with a sieve plate fixing frame (2), the upper surface of the sieve plate fixing frame (2) is fixedly connected with a feeding hopper (3), the right side of the feeding hopper (3) is provided with a discharge port (4), and the upper surface of the sand screening machine bottom plate (1) is provided with a classification collecting device; Wherein, the sand screening machine bottom plate (1) is provided with a multi-stage screening movement device, the multi-stage screening movement device comprises a sieve plate fixing plate (5), the sieve plate fixing plate (5) is rotatably connected to the right side of the top plate of the sieve plate fixing frame (2); Wherein, the sieve plate fixing plate (5) is fixedly connected with a coarse sieve plate (6), a fine sieve plate (7) and a bottom disc (8) in sequence, the lower surface of the bottom disc (8) is fixedly connected with a roller fixing seat (9), and the roller fixing seat (9) is rotatably connected with an impact roller (10) therein; Wherein, the upper surface of the sand screening machine bottom plate (1) is fixedly connected with a cam fixing seat (11), and the cam fixing seat (11) is rotatably connected with a cam shaft (12) therein.
2. A building multi-stage sand screening machine according to claim 1, characterized in that: The outer surface of the cam shaft (12) is fixedly sleeved with a spiral cam (13), the impact roller (10) is in contact with the outer contour of the spiral cam (13), the upper end of the cam shaft (12) is rotatably penetrated out of the upper surface of the cam fixing seat (11), and the upper end of the cam shaft (12) is fixedly sleeved with a bevel gear (14).
3. A building multi-stage sand screening machine according to claim 2, characterized in that: The middle plate of the sieve plate fixing frame (2) is fixedly connected with a motor (15), the output shaft of the motor (15) is fixedly sleeved with a gear (16) on the outer surface, the gear (16) is in meshing connection with the bevel gear (14), and the classification collecting device comprises two baffles (17).
4. A building multi-stage sand screening machine according to claim 3, characterized in that: The two baffles (17) are fixedly connected to the upper surface of the sand screening machine bottom plate (1), and the two baffles (17) are respectively located in the gaps between the coarse sieve plate (6), the fine sieve plate (7) and the bottom disc (8).
5. A building multi-stage sand screening machine according to claim 4, characterized in that: Corresponding sorting collecting boxes (18) are arranged below the respective discharge ports of the coarse sieve plate (6), the fine sieve plate (7) and the bottom disc (8), and the sorting collecting boxes (18) are fixedly connected with the upper surface of the sand screening machine bottom plate (1).