CN221183690U - Screening device for concrete mixing - Google Patents

Abstract

The utility model discloses a screening device for concrete stirring, wherein a screening assembly and a spraying assembly are arranged in a box body, and the screening assembly comprises a motor, a rotating shaft, an eccentric wheel, a screen plate and a guide rod; the motor is installed in the box outside, and the output shaft of motor extends to in the box and is connected with the one end of pivot, and the pivot both ends are rotated with the box inner wall and are connected, and the lateral wall equidistance fixedly connected with eccentric wheel of pivot, the spacing groove has all been seted up to the left inner wall, the right inner wall of box. The utility model can prevent the screen plate from piling up through the vibration screening component, thereby improving the screening efficiency. Meanwhile, the spraying component can spray the cement adhered by the stone on the sieve plate, so that the viscosity of the cement is reduced, the stone is prevented from adhering, the cement is convenient to roll off, and is convenient to clean and collect.

Description

Screening device for concrete mixing

Technical Field

The utility model belongs to the technical field of screening equipment, and particularly relates to a screening device for concrete stirring.

Background

Concrete refers to a generic term for engineering composite materials in which aggregate is consolidated into a whole by a cementitious material; the term concrete generally refers to cement as a cementing material, sand and stone as aggregate; mixing with water (which can contain additives and admixtures) according to a certain proportion, and stirring to obtain cement concrete, also called ordinary concrete, which is widely applied to civil engineering;

the prior China patent (publication No. CN 217069652U) proposes a raw material classifying and screening device for recycled concrete, which can enable a shell to move left and right in a reciprocating manner under the driving action of a motor, so that raw materials on a screen plate can be subjected to shaking screening, and only one motor is needed to drive three screen plates to shake and screen, so that manufacturing and maintenance cost is greatly reduced, but after screening is completed, hands are required to extend into the shell to collect, and especially, when the cement is required to be subjected to impurity removal screening treatment, stones remained on the screen plate are mixed with the cement, and are more difficult to clean.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provide a screening device for concrete stirring, which can prevent a screen plate from accumulating through a screen assembly capable of vibrating and improve the screening efficiency. Meanwhile, the spraying component can spray the cement adhered by the stone on the sieve plate, so that the viscosity of the cement is reduced, the stone is prevented from adhering, the cement is convenient to roll off, and is convenient to clean and collect.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The screening device for concrete stirring comprises a main body assembly, wherein the main body assembly comprises a box body, the top of the box body is provided with a feed inlet, the bottom of the box body is provided with a discharge outlet, a screening assembly and a spraying assembly are arranged in the box body, and the screening assembly comprises a motor, a rotating shaft, an eccentric wheel, a screen plate and a guide rod; the motor is arranged on the outer side of the box body, an output shaft of the motor extends into the box body and is connected with one end of the rotating shaft, two ends of the rotating shaft are rotationally connected with the inner wall of the box body, eccentric wheels are fixedly connected to the outer side wall of the rotating shaft at equal intervals, limit grooves are formed in the left inner wall and the right inner wall of the box body, one limit groove is higher than the other limit groove, guide rods are uniformly and equidistantly arranged between the top wall and the bottom wall of the limit groove, the sieve plate is slidably connected to the outer side wall of the guide rods, the outer side wall of the eccentric wheels is movably contacted with the bottom wall of the sieve plate, a slag discharge port is formed above the lower limit groove, and the spraying assembly comprises a water tank, a water pump, a water pipe, a square pipe and a spray nozzle; the water tank is installed in the roof of box, and the water pump communicates in the lateral wall of water tank, and square tube installs in the interior roof of box, and the intercommunication has the water pipe between square tube and the water pump, and the even equidistance intercommunication of the diapire of square tube has the shower nozzle.

A cavity is formed above the slag discharge port, and a sealing assembly is arranged in the cavity and comprises an electric rod and a box door; the electric pole is installed in the interior roof of cavity, and telescopic link one end fixedly connected with chamber door of electric pole, chamber door sliding connection are in the cavity.

The bottom wall of the box door is fixedly connected with a sealing gasket.

A material guide plate is connected below the slag discharge port.

The bottom of the box body is provided with supporting feet.

The springs are uniformly and equidistantly connected between the bottom wall of the sieve plate and the bottom wall of the limiting groove, and are movably sleeved on the outer side wall of the corresponding guide rod.

The screen plate is obliquely arranged.

The inner bottom wall of the box body is obliquely arranged towards the center.

The beneficial effects of the utility model are as follows:

1) Through the screening subassembly that can vibrate, can prevent to produce on the sieve and pile up, promote screening efficiency. Meanwhile, the spraying component can spray the cement adhered by the stone on the sieve plate, so that the viscosity of the cement is reduced, the stone is prevented from adhering, the cement is convenient to roll off, and is convenient to clean and collect.

2) According to the utility model, the screen plate is vibrated up and down through the cooperation among the motor, the rotating shaft, the eccentric wheel, the guide rod and the spring, so that the screen plate is prevented from being piled up, and the screening efficiency is improved.

3) When more stones are on the sieve plate, stopping feeding and removing the collecting barrel below the discharge hole.

4) The telescopic rod of the electric rod drives the box door to move upwards, and stone on the sieve plate rolls out of the box body along the sieve plate through the slag discharging port under the action of gravity.

5) Through opening the water pump, the water pump is leading-in side pipe with the water in the water tank and is sprayed out by the shower nozzle through the water pipe, reduces the viscosity of the adhesion cement of stone on the sieve to prevent stone adhesion, conveniently roll off, be convenient for clear up and collect.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a side cross-sectional perspective view of the present utility model;

FIG. 3 is a front cross-sectional block diagram of the present utility model;

FIG. 4 is a diagram of a screen deck construction of the present utility model;

Fig. 5 is a block diagram of a closure assembly according to the present utility model.

Reference numerals: 1. a body assembly; 2. a screen assembly; 3. a spray assembly; 4. a closing assembly;

10. A case; 11. a feed inlet; 12. a discharge port; 13. a support leg; 14. a slag discharge port; 15. a material guide plate; 16. a cavity; 17. a limit groove; 20. a motor; 21. a rotating shaft; 22. an eccentric wheel; 23. a sieve plate; 24. a guide rod; 25. a spring; 30. a water tank; 31. a water pump; 32. a water pipe; 33. square tubes; 34. a spray head; 40. an electric lever; 41. a door; 42. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1-5, the embodiment of the utility model provides a screening device for concrete stirring, which comprises a main body component 1, wherein the main body component 1 comprises a box body 10, the top of the box body 10 is provided with a feed inlet 11, the bottom of the box body 10 is provided with a discharge outlet 12, a screening component 2 and a spraying component 3 are arranged in the box body 10, and the screening component 2 comprises a motor 20, a rotating shaft 21, an eccentric wheel 22, a screen plate 23 and a guide rod 24; the motor 20 is arranged on the outer side of the box body 10, an output shaft of the motor 20 extends into the box body 10 and is connected with one end of the rotating shaft 21, two ends of the rotating shaft 21 are rotatably connected with the inner wall of the box body 10, the outer side wall of the rotating shaft 21 is fixedly connected with the eccentric wheel 22 at equal intervals, the left inner wall and the right inner wall of the box body 10 are both provided with limit grooves 17, the two limit grooves 17 are high and low, guide rods 24 are uniformly and equidistantly arranged between the top wall and the bottom wall of the limit grooves 17, the sieve plate 23 is slidably connected with the outer side wall of the guide rods 24, the outer side wall of the eccentric wheel 22 is movably contacted with the bottom wall of the sieve plate 23, a slag discharge port 14 is arranged above the limit groove 17 with lower height, and the spraying assembly 3 comprises a water tank 30, a water pump 31, a water pipe 32, a square pipe 33 and a spray head 34; the water tank 30 is installed in the roof of box 10, and water pump 31 intercommunication is in the lateral wall of water tank 30, and square pipe 33 is installed in the interior roof of box 10, and the intercommunication has water pipe 32 between square pipe 33 and the water pump 31, and the even equidistance intercommunication of the diapire of square pipe 33 has shower nozzle 34.

The rotation of the output shaft of the motor 20 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the eccentric wheel 22 to rotate, and the eccentric wheel 22 jacks up the sieve plate 23.

The water pump 31 guides the water in the water tank 30 into the square tube 33 through the water pipe 32 and is sprayed out by the spray head 34, so that the viscosity of the cement adhered to the stone on the sieve plate 23 is reduced, the stone is prevented from adhering, and the rolling is convenient.

A cavity 16 is formed above the slag discharge port 14, a sealing component 4 is arranged in the cavity 16, and the sealing component 4 comprises an electric rod 40 and a box door 41; the electric rod 40 is installed on the inner top wall of the cavity 16, one end of the telescopic rod of the electric rod 40 is fixedly connected with the box door 41, the box door 41 is slidably connected in the cavity 16, and the box door 41 is driven to move upwards by the telescopic rod of the electric rod 40.

The bottom wall of the box door 41 is fixedly connected with a sealing gasket 42, so that no material leaks from the box door 41 when the screening operation is performed.

A material guiding plate 15 is connected below the slag discharging port 14.

The bottom of the case 10 is provided with legs 13.

The even equidistance is connected with spring 25 between the diapire of sieve 23 and the diapire of spacing groove 17, and the lateral wall of corresponding guide bar 24 is located to spring 25 movable sleeve, under spring 25 self elasticity effect, and spring 25 drives sieve 23 along guide bar 24 vibration from top to bottom to prevent to produce on the sieve 23 and pile up, in order to promote screening efficiency.

The screen plate 23 is obliquely arranged, the heights of the two limiting grooves 17 are different, and the height of the right limiting groove 17 is higher than that of the left limiting groove 17, so that stones on the screen plate 23 roll out of the box body 10 along the screen plate 23 through the slag discharging opening 14 under the action of gravity.

The inner bottom wall of the box body 10 is inclined towards the center, so that the screened materials are conveniently discharged from the discharge hole 12.

The utility model works when in work: when the cement is required to be subjected to impurity removal and screening, the cement is poured into the box body 10 through the feed inlet 11, and is screened by the screen plate 23, so that impurities such as stones in the cement are remained on the screen plate 23, and the screened cement falls to the bottom of the box body 10 and flows out from the discharge hole 12 and is collected through the collecting barrel;

The rotation of the output shaft of the motor 20 drives the rotation shaft 21 to rotate, the rotation shaft 21 drives the eccentric wheel 22 to rotate, the eccentric wheel 22 jacks up the screen plate 23 and stretches the spring 25, and the spring 25 drives the screen plate 23 to vibrate up and down along the guide rod 24 under the self elastic force of the spring 25, so that the screen plate 23 is prevented from being piled up, and the screening efficiency is improved;

When more stones are on the sieve plate 23, stopping feeding, removing the collecting barrel below the discharge hole 12, driving the box door 41 to move upwards through the telescopic rod of the electric rod 40, and rolling out the box body 10 along the sieve plate 23 through the slag discharge hole 14 under the action of gravity because the sieve plate 23 inclines towards the slag discharge hole 14; by starting the water pump 31, the water in the water tank 30 is led into the square tube 33 through the water pipe 32 by the water pump 31 and sprayed out by the spray head 34, so that the viscosity of the cement adhered to the stone on the sieve plate 23 is reduced, the stone is prevented from adhering, and the rolling is convenient.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims (8)

1. The screening device for concrete stirring comprises a main body assembly, wherein the main body assembly comprises a box body, the top of the box body is provided with a feed inlet, the bottom of the box body is provided with a discharge outlet, and a screening assembly and a spraying assembly are arranged in the box body; the motor is arranged on the outer side of the box body, an output shaft of the motor extends into the box body and is connected with one end of the rotating shaft, two ends of the rotating shaft are rotationally connected with the inner wall of the box body, eccentric wheels are fixedly connected to the outer side wall of the rotating shaft at equal intervals, limit grooves are formed in the left inner wall and the right inner wall of the box body, one limit groove is higher than the other limit groove, guide rods are uniformly and equidistantly arranged between the top wall and the bottom wall of the limit groove, the sieve plate is slidably connected to the outer side wall of the guide rods, the outer side wall of the eccentric wheels is movably contacted with the bottom wall of the sieve plate, a slag discharge port is formed above the lower limit groove, and the spraying assembly comprises a water tank, a water pump, a water pipe, a square pipe and a spray nozzle; the water tank is installed in the roof of box, and the water pump communicates in the lateral wall of water tank, and square tube installs in the interior roof of box, and the intercommunication has the water pipe between square tube and the water pump, and the even equidistance intercommunication of the diapire of square tube has the shower nozzle.

2. The screening device for concrete mixing according to claim 1, wherein a cavity is formed above the slag discharging port, and a sealing assembly is arranged in the cavity and comprises an electric rod and a box door; the electric pole is installed in the interior roof of cavity, and telescopic link one end fixedly connected with chamber door of electric pole, chamber door sliding connection are in the cavity.

3. A screening apparatus for concrete mixing as defined in claim 2, wherein the bottom wall of the door is fixedly connected with a gasket.

4. The screening device for concrete mixing according to claim 1, wherein a guide plate is connected to a lower portion of the slag discharging port.

5. A screening device for concrete mixing as claimed in claim 1, wherein the bottom of the tank is provided with feet.

6. The screening device for concrete mixing according to claim 1, wherein springs are uniformly and equidistantly connected between the bottom wall of the screen plate and the bottom wall of the limit groove, and the springs are movably sleeved on the outer side wall of the corresponding guide rod.

7. A screening device for concrete mixing as claimed in claim 1, wherein the screen plate is inclined.

8. The screening device for concrete mixing as recited in claim 1, wherein the inner bottom wall of the case is inclined toward the center.