CN218945593U

CN218945593U - Sand screening mechanism

Info

Publication number: CN218945593U
Application number: CN202223391439.0U
Authority: CN
Inventors: 余银超; 黄小兰; 黄清华
Original assignee: Fujian Julong Construction Engineering Co ltd
Current assignee: Fujian Julong Construction Engineering Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-02
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a sand screening mechanism which comprises a base and a screen, wherein the upper surface of the base is fixedly connected with a storage hopper, the bottom of the storage hopper is movably connected with a driven rotating shaft, one end of the driven rotating shaft penetrates through the storage hopper and is fixedly connected with a driven wheel, the other end of the driven rotating shaft is connected with a first gear in a key manner, the bottom of the storage hopper is movably connected with a connecting rod, the bottom end of the connecting rod is connected with a second gear in a key manner, the first gear is meshed with the second gear, and the outer side of the connecting rod is fixedly connected with a spiral sheet. According to the utility model, the device can be automatically fed through the spiral sheet, so that the feeding effect of the device is improved, meanwhile, sand can be screened through the screen, the using effect of the device is improved, and the device can be conveniently and separately collected by workers after screening through the cooperation of the first discharging pipe and the second discharging pipe, so that the convenience of the device is improved.

Description

Sand screening mechanism

Technical Field

The utility model relates to the technical field of sand screening, in particular to a sand screening mechanism.

Background

Sand is a main material for forming concrete and mortar, and is commonly used in road construction and building construction, and the excessive thickness of the sand can cause poor cohesiveness of the mixed concrete and easy segregation and bleeding phenomena, so that the sand needs to be screened before being used.

People usually use screening mechanism to screen sand, however current screening mechanism most devices adopt artifical material loading mode to carry out work, and this kind of mode material loading speed is slower, wastes time and energy, work efficiency is low.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a sand screening mechanism.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a sand screening mechanism, includes base and sieve, the upper surface fixedly connected with storage hopper of base, the bottom swing joint of storage hopper has driven pivot, and driven pivot's one end passes storage hopper and fixedly connected with from the driving wheel, driven pivot's another end key-type is connected with first gear, the bottom swing joint of storage hopper has the connecting rod, and the bottom key-type of connecting rod has the second gear, and first gear meshes with the second gear, the outside fixedly connected with flight of connecting rod, one side inner wall fixedly connected with feeding tube of storage hopper, and flight and connecting rod are located the inside of feeding tube, the upper surface fixedly connected with of base a plurality of supporting legs, the top fixedly connected with casing of supporting leg, the feed inlet has been seted up at the top of casing, and the discharge end of feeding tube is located the top of feed inlet, the inside of casing is equipped with power unit.

As a still further scheme of the utility model, the power mechanism comprises a motor, the motor is fixed on the outer wall of one side of the shell through bolts, the inner wall of one side of the shell is movably connected with a driving rotating shaft, one end of an output shaft of the motor penetrates through the shell to be fixed with the driving rotating shaft, one end of the driving rotating shaft penetrates through the shell and is fixedly connected with a driving belt pulley, and a driven wheel is in transmission connection with the driving belt pulley through a belt.

As a still further proposal of the utility model, a sliding groove is arranged in the shell, a sliding plate is movably connected in the sliding groove and is fixed with the sieve, one side of the sliding plate is fixedly connected with a plurality of springs which are fixed with the shell.

As a still further scheme of the utility model, the outer side of the driving rotating shaft is fixedly connected with two half gears, the bottom of the sliding plate is fixedly connected with two racks, and the racks are meshed with the half gears.

As a still further proposal of the utility model, a first discharging hole is arranged on one side of the shell, and a first discharging pipe is fixedly connected in the first discharging hole.

As a still further proposal of the utility model, one side of the shell is provided with a second discharge port, and a second discharge pipe is fixedly connected in the second discharge port.

As a still further proposal of the utility model, a plurality of wedge blocks are fixedly connected with the outer wall of one side of the shell, and the wedge blocks are contacted with the motor.

As a still further scheme of the utility model, the bottom of the storage hopper is provided with the avoidance groove, and the first gear and the second gear are arranged in the avoidance groove.

The beneficial effects of the utility model are as follows:

1. through the setting of flight, power unit makes from driving driven epaxial first gear of driven shaft rotation, and then makes the flight on the second gear drive connecting rod rotate, and the flight carries out the material loading to the sand in the storage hopper this moment to make the sand enter into the material loading pipe to enter into inside the casing through the material loading pipe, thereby make the device can carry out the material loading voluntarily, avoid artifical manual material loading to lead to wasting time and energy, improved the material loading effect of device.

2. Through the setting of sieve, sand enters into on the inside sieve of casing from the feed inlet, and initiative pivot rotation makes half gear drive rack intermittent type nature rotate simultaneously to make the slide drive the sieve and remove, the spring stretches out and draws back, and then makes the sieve round trip movement screen to sand, makes to contain great granule in the sand and remains on the sieve, and less granule drops the bottom of casing through the sieve, has improved the result of use of device.

3. Through the cooperation of first discharging pipe and second discharging pipe, the second discharging pipe makes things convenient for great sand ejection of compact on the sieve, and less sand that first discharging pipe made things convenient for the screening to go out the ejection of compact to make things convenient for the staff to separate the collection to the sand after the screening, improved the convenience of device.

Drawings

FIG. 1 is a schematic perspective view of a sand screening mechanism according to the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional structure of a box of a sand screening mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a cross-sectional structure of a housing of a sand screening mechanism according to the present utility model;

fig. 4 is a schematic view of a partial cross-sectional structure of a sand screening mechanism according to the present utility model.

In the figure: 1. a storage hopper; 2. wedge blocks; 3. a base; 4. support legs; 5. a housing; 6. a first discharge pipe; 7. a second discharge pipe; 8. a feed inlet; 9. feeding pipes; 10. a driving pulley; 11. a spiral sheet; 12. driven wheel; 13. a driven rotating shaft; 14. a first gear; 15. a second gear; 16. a clearance groove; 17. a connecting rod; 18. a sieve; 19. a slide plate; 20. a spring; 21. a chute; 22. a rack; 23. a driving rotating shaft; 24. a half gear.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the accompanying drawings, in which embodiments of the present utility model are described in a clear and complete manner, and the described embodiments are only some embodiments, but not all embodiments of the present utility model, and other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1-4, a sand screening mechanism, including base 3 and sieve 18, the upper surface of base 3 is through the bolt fastening having storage hopper 1, the bottom rotation of storage hopper 1 is connected with driven pivot 13, driven pivot 13's one end is passed storage hopper 1 and is fixed with driven wheel 12 through the bolt fastening, driven pivot 13's the other end key is connected with first gear 14, storage hopper 1's bottom rotation is connected with connecting rod 17, connecting rod 17's bottom key is connected with second gear 15, and first gear 14 meshes with second gear 15, connecting rod 17's outside is through the bolt fastening having flight 11, one side inner wall of storage hopper 1 is through the bolt fastening having loading tube 9, and flight 11 and connecting rod 17 are located the inside of loading tube 9, the upper surface of base 3 is through the bolt fastening having a plurality of supporting legs 4, the top of supporting leg 4 is through the bolt fastening having casing 5, feed inlet 8 has been seted up at the top of casing 5, and the discharge end of loading tube 9 is located the top of feed inlet 8, the inside of casing 5 is equipped with power device, power device makes driven wheel 12 drive driven wheel 13 on first gear 14, and the first gear 15, and then drive the flight 11, make the flight is carried out the rotation to carry out the flight to the loading tube 11, and carry out the spiral 11 through the screw feeding tube 9, and enter into the inside of the storage hopper 9, the inside is made the flight is gone into to the inside of the storage tube 9 through the loading tube through the screw is driven by the flight is driven by the screw 11.

In the utility model, it is to be noted that the power mechanism comprises a motor, the motor is fixed on one side outer wall of the shell 5 through a bolt, one side inner wall of the shell 5 is rotationally connected with a driving rotating shaft 23, one end of an output shaft of the motor passes through the shell 5 and is fixed with the driving rotating shaft 23, one end of the driving rotating shaft 23 passes through the shell 5 and is fixedly provided with a driving belt pulley 10 through a bolt, the driven wheel 12 is connected with the driving belt pulley 10 through a belt transmission, the motor rotates to drive the driving rotating shaft 23 to drive the driving belt pulley 10 to rotate, thereby the driven wheel 12 rotates, a sliding groove 21 is arranged in the shell 5, a sliding plate 19 is slidingly connected in the sliding groove 21, the sliding plate 19 is fixed with a sieve 18, the sliding groove 21 can guide the sliding plate 19, one side of the sliding plate 19 is welded with a plurality of springs 20, the springs 20 are fixed with the shell 5, the outer side of the driving rotating shaft 23 is fixedly provided with two half gears 24 through bolts, the bottom of the slide plate 19 is fixedly provided with two racks 22 through bolts, the racks 22 are meshed with a half gear 24, sand enters the sieve 18 in the shell 5 from the feed inlet 8, meanwhile, the driving rotary shaft 23 rotates to enable the half gear 24 to drive the racks 22 to intermittently rotate, so that the slide plate 19 drives the sieve 18 to move, the springs 20 stretch and retract, and further the sieve 18 moves back and forth to sieve the sand, so that the sand contains larger particles on the sieve 18, the smaller particles drop to the bottom of the shell 5 through the sieve 18, one side of the shell 5 is provided with a first discharge port, the first discharge port is internally provided with a first discharge pipe 6 through bolts, one side of the shell 5 is provided with a second discharge port, the second discharge port is internally provided with a second discharge pipe 7 through bolts, the second discharge pipe 7 facilitates the discharge of the larger sand on the sieve 18, the less sand that first discharging pipe 6 conveniently sieves out carries out the ejection of compact to make things convenient for the staff to separately collect, one side outer wall of casing 5 has a plurality of wedge 2 through the bolt fastening, and wedge 2 and motor contact, and wedge 2 can fix a position the motor, supports the motor, avoids the motor to drop easily, and the clearance groove 16 has been seted up to the bottom of storage hopper 1, and first gear 14 and second gear 15 are in the inside of clearance groove 16.

Working principle: when sand is required to be screened, the motor is started firstly, the motor rotates to enable the driving rotating shaft 23 to drive the driving belt pulley 10 to rotate, so that the driven wheel 12 drives the first gear 14 on the driven rotating shaft 13 to rotate, and then the second gear 15 drives the spiral piece 11 on the connecting rod 17 to rotate, at the moment, the spiral piece 11 charges sand in the storage hopper 1, the sand enters the feeding pipe 9 and enters the shell 5 through the feeding pipe 9, the sand enters the screen 18 in the shell 5, meanwhile, the driving rotating shaft 23 rotates to enable the half gear 24 to drive the rack 22 to intermittently rotate, so that the sliding plate 19 drives the screen 18 to move, the spring 20 stretches out and draws back, and then the screen 18 moves back and forth to screen the sand, at the moment, larger particles are contained in the sand and remain on the screen 18, the second discharging pipe 7 facilitates the discharge of the larger sand on the screen 18, and smaller particles fall to the bottom of the shell 5 through the screen 18, the first discharging pipe 6 facilitates the discharge of the screened smaller sand, and further facilitates the separation and collection of workers.

Furthermore, the terms "mounted," "configured," "connected," and "sleeved" should be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical or electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Claims

1. The utility model provides a sand screening mechanism, includes base (3) and sieve (18), a serial communication port, the upper surface fixedly connected with storage hopper (1) of base (3), the bottom swing joint of storage hopper (1) has driven pivot (13), and the one end of driven pivot (13) passes storage hopper (1) and fixedly connected with from driving wheel (12), the other end key-type connection of driven pivot (13) has first gear (14), the bottom swing joint of storage hopper (1) has connecting rod (17), the bottom key-type connection of connecting rod (17) has second gear (15), and first gear (14) and second gear (15) mesh, the outside fixedly connected with flight (11) of connecting rod (17), one side inner wall fixedly connected with material loading pipe (9) of storage hopper (1), and flight (11) and connecting rod (17) are located the inside of material loading pipe (9), the upper surface fixedly connected with of base (3) a plurality of supporting legs (4), the top fixedly connected with casing (5) of supporting leg (4), top fixedly connected with casing (8) are equipped with top of casing (5), and the inside of casing (8) that is equipped with feed opening (8) are located feed mechanism (8).

2. The sand screening mechanism according to claim 1, wherein the power mechanism comprises a motor, the motor is fixed on one side outer wall of the shell (5) through a bolt, one side inner wall of the shell (5) is movably connected with a driving rotating shaft (23), one end of an output shaft of the motor penetrates through the shell (5) to be fixed with the driving rotating shaft (23), one end of the driving rotating shaft (23) penetrates through the shell (5) and is fixedly connected with a driving belt wheel (10), and the driven wheel (12) is connected with the driving belt wheel (10) through a belt transmission.

3. The sand screening mechanism according to claim 2, wherein a chute (21) is formed in the casing (5), a sliding plate (19) is movably connected in the chute (21), the sliding plate (19) is fixed with the screen (18), a plurality of springs (20) are fixedly connected to one side of the sliding plate (19), and the springs (20) are fixed with the casing (5).

4. A sand screening mechanism according to claim 3, characterized in that the outer side of the driving rotating shaft (23) is fixedly connected with two half gears (24), the bottom of the sliding plate (19) is fixedly connected with two racks (22), and the racks (22) are meshed with the half gears (24).

5. The sand screening mechanism according to claim 1, wherein a first discharge port is formed in one side of the housing (5), and a first discharge pipe (6) is fixedly connected in the first discharge port.

6. The sand screening mechanism according to claim 1, wherein a second discharge port is formed in one side of the housing (5), and a second discharge pipe (7) is fixedly connected in the second discharge port.

7. A sand screening mechanism according to claim 2, characterized in that the outer wall of one side of the housing (5) is fixedly connected with a plurality of wedge blocks (2), and the wedge blocks (2) are in contact with the motor.

8. A sand screening mechanism according to claim 1, characterized in that the bottom of the storage hopper (1) is provided with a clearance groove (16), and the first gear (14) and the second gear (15) are inside the clearance groove (16).