CN217615922U

CN217615922U - Grit sieving mechanism for concrete

Info

Publication number: CN217615922U
Application number: CN202220675423.3U
Authority: CN
Inventors: 王敏; 王荣辉; 刘鹏
Original assignee: Shandong Tianyin Concrete Co ltd
Current assignee: Shandong Tianyin Concrete Co ltd
Priority date: 2022-03-26
Filing date: 2022-03-26
Publication date: 2022-10-21
Anticipated expiration: 2032-03-26

Abstract

The utility model discloses a grit sieving mechanism for concrete, including feed hopper, shell, screening mouth and shock-absorbing structure, the both sides of shell bottom all are provided with the bottom support, the intermediate position department of shell bottom is provided with the discharge gate, the intermediate position department on shell top is provided with feed hopper, the intermediate position department of shell outer wall one side is provided with the screening mouth. The utility model discloses a setting is at the inside transfer line of riddling shell, when needs go on the riddling, starts driving motor, because driving motor is connected with the transfer line, it is rotatory to have realized that driving motor drives the transfer line to the transfer line drives the winding and rotates at the riddling ladder on surface, and up removal is down followed to the grit of riddling shell the inside, makes the grit get into the sieving mechanism the inside again, has realized the effect that the grit passes through transfer line recirculation screening.

Description

Grit sieving mechanism for concrete

Technical Field

The utility model relates to a building engineering field technical field specifically is a grit sieving mechanism for concrete.

Background

With the rapid development of the building industry, the demand of civil engineering construction is increased, and the sand screening equipment is used as the most basic building equipment of civil engineering construction engineering and is widely applied to the civil engineering construction engineering, however, the existing sand screening equipment is not simple and convenient enough for screening sand, and the screening of the sand particles can not meet the requirement of construction, thereby affecting the working efficiency of workers.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) The traditional sand screening equipment with the multi-stage screening function for civil engineering is inconvenient for damping the filter screen;

(2) The traditional sand screening equipment with the multistage screening function for civil engineering is inconvenient for repeatedly screening sand grains;

(3) Traditional civil engineering with multistage screening function sieve husky equipment inconveniently shakes the filter screen, leads to the inefficiency of screening.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grit sieving mechanism for concrete to propose inconvenient to the filter screen shock attenuation in solving above-mentioned background art, inconvenient repeated screening, the inconvenient problem of vibrations to the filter screen that carries on.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grit sieving mechanism for concrete, includes feed hopper, shell, screening mouth and shock-absorbing structure, the both sides of shell bottom all are provided with the bottom support, the intermediate position department of shell bottom is provided with the discharge gate, the intermediate position department on shell top is provided with feed hopper, the intermediate position department of shell outer wall one side is provided with the screening mouth, one side of shell is provided with the double screen structure, the inside intermediate position department of shell is provided with vibrations structure, the inside bottom of shell is provided with first filter screen, the both sides of first filter screen bottom all are provided with shock-absorbing structure.

Preferably, the inside of shock-absorbing structure has set gradually spring, shock attenuation shell and snubber block, the inside of shock attenuation shell is provided with the spring.

Preferably, the top end of the spring is provided with damping blocks, and the damping blocks are symmetrically distributed on the central axis of the first filter screen.

Preferably, a driving motor, a re-screening ladder, a transmission rod and a re-screening shell are sequentially arranged inside the re-screening structure, the driving motor is arranged at the top end of the re-screening shell, the transmission rod is fixedly connected to the bottom end of the driving motor, and the re-screening ladder is fixedly wound on the outer surface of the transmission rod.

Preferably, the inside of vibrations structure has set gradually spout, second filter screen, servo motor and gear, the bottom of the inside one side of second filter screen is provided with the gear, the bottom of gear is provided with servo motor.

Preferably, a grit sieving mechanism for concrete, its characterized in that: the other side of the second filter screen is provided with a sliding groove, the inner diameter of the sliding groove is larger than the outer diameter of the second filter screen, and a sliding structure is formed between the sliding groove and the second filter screen.

Compared with the prior art, the beneficial effects of the utility model are that: the sand and stone screening device for concrete not only realizes the shock absorption of the filter screen and the repeated screening of sand grains, but also realizes the convenient vibration screening of the filter screen;

(1) The spring is fixed in the damping shell through the spring arranged in the damping shell, then the spring is connected with the damping block, the damping block is connected with the first filter screen, when gravel is screened, impact force can be generated on the first filter screen when gravel falls from a high position, and the damping block can buffer downwards when being impacted according to the action of the spring elasticity, so that the damping effect on the first filter screen is realized, and the filter screen is prevented from being damaged by the downward gravity of the gravel in the use process of the first filter screen;

(2) Through the transmission rod arranged in the re-screening shell, when the re-screening is needed, the driving motor is started, and the driving motor is connected with the transmission rod, so that the driving motor drives the transmission rod to rotate, the transmission rod drives the re-screening ladder wound on the surface to rotate, and the gravel in the re-screening shell moves from bottom to top, so that the gravel enters the screening device again, and the effect of re-circulating screening of the gravel through the transmission rod is realized;

(3) Through setting up the gear on the second filter screen, then the gear is connected with servo motor, when needs screening gravel, starts servo motor, and servo motor gear on one side is surrounding servo motor and is rotating, because the second filter screen constitutes sliding construction with the spout, the second filter screen can be in spout the inside horizontal slip, thereby realized that the second filter screen removes the effect that reaches vibrations, improves the efficiency of screening.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the vibration structure of the present invention showing a top view and a partial enlarged structure;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is a schematic view of the main-view section structure of the double-sifting structure of the present invention.

In the figure: 1. a feed hopper; 2. a housing; 3. a screening port; 4. a shock-absorbing structure; 401. a spring; 402. a shock-absorbing shell; 403. a damper block; 5. a discharge port; 6. a bottom bracket; 7. a secondary screening structure; 701. a drive motor; 702. a re-screening ladder; 703. a transmission rod; 704. re-screening the shell; 8. a first filter screen; 9. a vibrating structure; 901. a chute; 902. a second filter screen; 903. a servo motor; 904. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a gravel screening device for concrete comprises a feeding funnel 1, a shell 2, a screening port 3 and a damping structure 4, wherein bottom supports 6 are arranged on two sides of the bottom end of the shell 2, a discharge port 5 is arranged at the middle position of the bottom end of the shell 2, the feeding funnel 1 is arranged at the middle position of the top end of the shell 2, the screening port 3 is arranged at the middle position of one side of the outer wall of the shell 2, a re-screening structure 7 is arranged on one side of the shell 2, a vibration structure 9 is arranged at the middle position of the inner part of the shell 2, a first filtering net 8 is arranged at the bottom end of the inner part of the shell 2, and the damping structures 4 are arranged on two sides of the bottom end of the first filtering net 8;

a spring 401, a damping shell 402 and damping blocks 403 are sequentially arranged in the damping structure 4, the spring 401 is arranged in the damping shell 402, the damping blocks 403 are arranged at the top end of the spring 401, and the damping blocks 403 are symmetrically distributed on the central axis of the first filter screen 8;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, the spring 401 is fixed inside the shock absorption shell 402 through the spring 401 arranged inside the shock absorption shell 402, then the spring 401 is connected with the shock absorption block 403, and the shock absorption block 403 is connected with the first filter screen 8, when gravel is screened, impact force is generated on the first filter screen 8 when the gravel falls from a high position, the shock absorption block 403 can buffer downwards when the gravel is impacted according to the elastic force of the spring 401, the shock absorption effect on the first filter screen 8 is realized, and the filter screen is prevented from being damaged by the downward gravity of the gravel in the using process of the first filter screen 8;

a driving motor 701, a re-screening ladder 702, a transmission rod 703 and a re-screening shell 704 are sequentially arranged inside the re-screening structure 7, the driving motor 701 is arranged at the top end of the re-screening shell 704, the type of the driving motor 701 can be MS0010E, the transmission rod 703 is fixedly connected to the bottom end of the driving motor 701, and the re-screening ladder 702 is fixedly wound on the outer surface of the transmission rod 703;

specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, through the transmission rod 703 arranged inside the re-screening shell 704, when re-screening is required, the driving motor 701 is started, because the driving motor 701 is connected with the transmission rod 703, the driving motor 701 drives the transmission rod 703 to rotate, the transmission rod 703 drives the re-screening ladder 702 wound on the surface to rotate, and gravel inside the re-screening shell 704 moves from bottom to top, so that gravel enters the screening device again, and the effect of re-circulating screening gravel through the transmission rod 703 is realized;

a sliding groove 901, a second filter screen 902, a servo motor 903 and a gear 904 are sequentially arranged in the vibration structure 9, the gear 904 is arranged at the bottom end of one side in the second filter screen 902, the servo motor 903 is arranged at the bottom end of the gear 904, the type of the servo motor 903 can be QS-750W, the sliding groove 901 is arranged at the other side of the second filter screen 902, the inner diameter of the sliding groove 901 is larger than the outer diameter of the second filter screen 902, and a sliding structure is formed between the sliding groove 901 and the second filter screen 902;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, the gear 904 arranged on the second filter screen 902 is connected with the servo motor 903, when gravel is required to be screened, the servo motor 903 is started, the gear 904 beside the servo motor 903 rotates around the servo motor 903, and as the second filter screen 902 and the chute 901 form a sliding structure, the second filter screen 902 can slide left and right in the chute 901, so that the effect of shaking is achieved by moving the second filter screen 902 left and right, and the screening efficiency is improved;

the working principle is as follows: the utility model discloses when using, at first, through the spring 401 that sets up in shock attenuation shell 402 the inside, spring 401 fixes in shock attenuation shell 402 the inside, then spring 401 is connected with snubber block 403, and snubber block 403 is connected with first filter screen 8 again, when screening the grit, the grit falls down from the eminence and can produce the impact force to first filter screen 8, according to the effect of spring 401 elasticity, snubber block 403 can cushion downwards when receiving the impact, the absorbing effect to first filter screen 8 has been realized, prevent that the downward gravity of grit from damaging the filter screen in the use of first filter screen 8.

Then, through the transmission rod 703 arranged inside the re-screening shell 704, when re-screening is needed, the driving motor 701 is started, and as the driving motor 701 is connected with the transmission rod 703, the driving motor 701 drives the transmission rod 703 to rotate, and the transmission rod 703 drives the re-screening ladder 702 wound on the surface to rotate, and gravel inside the re-screening shell 704 moves from bottom to top, so that the gravel enters the screening device again, and the effect of re-circulating and screening the gravel through the transmission rod 703 is achieved.

Finally, through setting up gear 904 on second filter screen 902, then gear 904 is connected with servo motor 903, when needing to screen the grit, start servo motor 903, gear 904 on one side of servo motor 903 encloses servo motor 903 and rotates, because second filter screen 902 and spout 901 constitute sliding construction, second filter screen 902 can slide left and right in spout 901 the inside, thereby realized that second filter screen 902 moves about and reach the effect of vibrations, improve the efficiency of screening.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a grit sieving mechanism for concrete, includes feed hopper (1), shell (2), screening opening (3) and shock-absorbing structure (4), its characterized in that: the utility model discloses a screening machine, including shell (2), intermediate position department, screening mouth (3), shell (2) and shock-absorbing structure (4), the both sides of shell (2) bottom all are provided with bottom support (6), the intermediate position department of shell (2) bottom is provided with discharge gate (5), the intermediate position department on shell (2) top is provided with feed hopper (1), the intermediate position department of shell (2) outer wall one side is provided with screening mouth (3), one side of shell (2) is provided with riddle structure (7), the inside intermediate position department of shell (2) is provided with vibrations structure (9), the inside bottom of shell (2) is provided with first filter screen (8), the both sides of first filter screen (8) bottom all are provided with shock-absorbing structure (4).

2. The sand screening device for concrete according to claim 1, wherein: the shock absorption structure is characterized in that a spring (401), a shock absorption shell (402) and a shock absorption block (403) are sequentially arranged inside the shock absorption structure (4), and the spring (401) is arranged inside the shock absorption shell (402).

3. The sand screening device for concrete according to claim 2, wherein: the top end of the spring (401) is provided with damping blocks (403), and the damping blocks (403) are symmetrically distributed on the central axis of the first filter screen (8).

4. The sand screening device for concrete according to claim 1, wherein: the inside of the re-screening structure (7) is sequentially provided with a driving motor (701), a re-screening ladder (702), a transmission rod (703) and a re-screening shell (704), the top end of the re-screening shell (704) is provided with the driving motor (701), the bottom end of the driving motor (701) is fixedly connected with the transmission rod (703), and the outer surface of the transmission rod (703) is fixedly wound with the re-screening ladder (702).

5. The sand screening device for concrete according to claim 1, wherein: the vibration device is characterized in that a sliding groove (901), a second filter screen (902), a servo motor (903) and a gear (904) are sequentially arranged in the vibration structure (9), the gear (904) is arranged at the bottom end of one side in the second filter screen (902), and the servo motor (903) is arranged at the bottom end of the gear (904).

6. The sand screening device for concrete according to claim 5, wherein: the other side of the second filter screen (902) is provided with a chute (901), the inner diameter of the chute (901) is larger than the outer diameter of the second filter screen (902), and a sliding structure is formed between the chute (901) and the second filter screen (902).