CN219850737U - Cement raw material sieving mechanism - Google Patents

Abstract

The utility model discloses a cement raw materials sieving mechanism in cement processing technical field, including screening bucket and base, screening bucket fixed connection is on the base, screening bucket top is equipped with the feed inlet, screening bucket bottom is equipped with the discharge gate, be equipped with screening mechanism in the screening bucket, screening mechanism includes first screening plate and second screening plate, the second screening plate joint is in the screening bucket, first screening plate overlaps and places on the second screening plate, evenly be equipped with a plurality of small openings on first screening hole and the second screening hole, and second screening plate size slightly is less than first screening plate size, be connected with the connecting rod that runs through screening bucket wall on the second screening plate, connecting rod tip fixedly connected with handle, second screening plate bottom is connected with vibrator.

Description

Cement raw material sieving mechanism

Technical Field

The utility model belongs to the technical field of cement processing, and particularly relates to a cement raw material screening device.

Background

Cement is a powdery hydraulic inorganic cementing material. The water is added and stirred to form slurry, which can harden in air or better harden in water and firmly bond sand, stone and other materials together. The mixture of early lime and volcanic ash is similar to modern lime-volcanic ash cement, and the concrete made of the cemented broken stone has high strength after hardening and can resist the erosion of fresh water or salt-containing water. It has long been an important gelling material, the method is widely applied to civil construction, water conservancy, national defense and other projects.

The main raw materials of cement are limestone, clay and other components, the raw materials are crushed and finely ground into a raw material, the raw material is calcined into clinker, gypsum or other mixed materials are added, and the clinker is ground into the cement, and various raw materials are required to be screened before production, so that the cement can be produced after reaching a certain standard. For example, a cement raw material screening apparatus with publication number CN215141855U, the apparatus comprises a box, a motor is fixedly installed at the top of the box, and a rotary shaft is connected with an output end of the motor in a driving manner. The rotary shaft driving gear is driven by the starting motor, the rotary shaft driving gear rotates from the gear, the rotary rod drives the disc and the screening frame to rotate simultaneously, the screening frame can automatically move out the raw materials which accord with use and fall onto the filter plate in the rotating process, the raw materials are further screened through the through holes, meanwhile, the starting cylinder pushes the swinging plate to swing back and forth to enable the connecting block to move back and forth, and vibration is generated by continuously beating the outer side of the screening frame, so that the raw materials can be better screened and fall into the container. However, in the screening process, only a leak hole with one aperture is provided in the screening device, and although the screening can be completed, the screening efficiency is low, and the raw materials cannot be classified and subjected to multiple screening.

Disclosure of Invention

The utility model aims to provide a cement raw material screening device which solves the problem that the pore size of a screening pore cannot be adjusted in the prior art.

The cement raw material screening device in this scheme, including screening bucket and base, screening bucket fixed connection is equipped with the feed inlet on the base, screening bucket top is equipped with the discharge gate, be equipped with screening mechanism in the screening bucket, screening mechanism includes first screening plate and second screening plate, second screening plate joint is in the screening bucket, first screening plate overlaps and places on the second screening plate, evenly be equipped with a plurality of leak holes on first screening hole and the second screening hole, and second screening plate size slightly is less than first screening plate size, be connected with the connecting rod that runs through screening bucket wall on the second screening plate, connecting rod tip fixedly connected with handle, second screening plate bottom is connected with vibrator.

The working principle of the scheme is as follows: according to the specification size pulling connecting rod of waiting to screen the raw materials to adjust the size of the overlapping area of leak hole on first screening board and the second screening board, carry cement raw materials to the screening bucket from the feed inlet after the adjustment is accomplished, and start vibrator, make vibrator drive screening mechanism vibrations, make the cement raw materials of compliance fall down from the leak hole, after the screening is accomplished, with the cement raw materials of compliance follow discharge gate discharge can.

The beneficial effects are that: through the size of the overlapping area of the leak holes on the first screening plate and the second screening plate, the compliant cement raw materials can be rapidly screened out, and the problem that the cement raw materials with various specifications cannot be screened when only one specification leak hole exists on the screening device is avoided.

Further, the vibrating device comprises a motor, a rotating shaft and a driven rod, wherein the motor is arranged on the barrel wall of the screening barrel, the rotating shaft penetrates through the barrel wall of the screening barrel and is connected with the motor, a U-shaped part is arranged on the rotating shaft, the driven rod is rotationally connected to the U-shaped part, the top end of the driven rod is fixedly connected with a push rod, and the push rod is connected with the screening plate through a spring. The motor drives the rotating shaft to rotate, the U-shaped part drives the driven rod to move up and down, the driven rod moves up and down in the process of moving up and down, the screening mechanism moves up and down, the purpose of vibration can be achieved, objects to be screened can fall from the leakage holes through vibration, and the purpose of screening is achieved.

Further, the rotating shafts in the screening barrels are in mirror symmetry. The rotation shaft is mirror-symmetrical in the screening barrel, namely, the rotation shaft is provided with two U-shaped parts and two driven rods, so that the driven rods are more stable when driving the screening mechanism to vibrate.

Further, one side of the screening barrel far away from the motor is provided with a waste residue discharge port. After screening, the non-compliant cement raw materials can be discharged from the waste residue discharge port, so that the working efficiency can be improved.

Further, be close to the driven lever top fixedly connected with electric telescopic handle of motor, pass behind the extension of electric telescopic handle with the screening hole of second screening board and first screening board contact, cup jointed the spring on the electric telescopic handle, spring both ends respectively with second screening board and driven lever fixed connection. After screening, start electric telescopic handle extension, keep away from the one side lifting of waste residue discharge gate with first screening board, can be the non-compliant cement raw materials and utilize the difference in height to discharge from waste residue discharge gate.

Further, keep away from the driven lever top fixedly connected with bracing piece of motor. The support rod is arranged at the top end of the driven rod far away from the motor, so that the screening mechanism can be lifted and is more stable and not easy to collapse.

Drawings

FIG. 1 is a schematic diagram of a cement raw material screening device according to the present utility model;

FIG. 2 is a schematic diagram of a screening plate structure;

fig. 3 is an enlarged view at a.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: base 1, screening bucket 2, motor 3, handle 4, connecting rod 5, feed inlet 6, first screening board 7, second screening board 8, driven lever 9, pivot 10, U-shaped portion 11, waste residue discharge gate 12, discharge gate 13, electric telescopic handle 14, spring 15, leak hole 16.

The embodiment is basically as shown in fig. 1-3: the utility model provides a cement raw materials sieving mechanism, including base 1 and screening bucket 2, screening bucket 2 fixed connection is on base 1, screening bucket 2 top is equipped with feed inlet 6, screening bucket 2 bottom is equipped with discharge gate 13, 13 departments of discharge gate are equipped with the switch of 13 switching of control discharge gate, install screening mechanism in the screening bucket 2, screening mechanism includes first screening plate 7 and second screening plate 8, second screening plate 8 overlaps under first screening plate 7, the size of second screening plate 8 is slightly less than the size of first screening plate 7, evenly be equipped with a plurality of small openings 16 on first screening plate 7 and the second screening plate 8, the left end welding of second screening plate 8 has connecting rod 5, connecting rod 5 runs through the bucket wall of screening bucket 2, the left end welding of connecting rod 5 has handle 4, fixedly connected with motor 3 on the screening bucket 2 outer wall, motor 3 is connected with a pivot 10 that transversely runs through screening bucket 2 bucket wall, integrated into one piece has two mirror symmetry's U-shaped portion 11 in pivot 10, all rotate in U-shaped portion 11 and be connected with driven lever 9, driven lever 9 is kept away from electric motor 13 and electric motor 14 and the second telescopic link 14 on the electric motor 9 and the second screening rod 7, the electric motor 9 has a telescopic link 14 and a telescopic link, the electric motor 9 has a telescopic link 9 to be close to the second telescopic link, the second telescopic link is equipped with the second telescopic link, and the second telescopic link is connected with the second end of the electric link 9, and the second telescopic link is connected with the electric link 15, and the end is connected with the second telescopic link, and the end is connected with the electric motor 15.

Taking the embodiment as an example, the specific implementation process is as follows: when the cement raw materials need to be screened, the handle 4 is pulled according to the specification and the size of the cement raw materials, the second screening plate 8 is driven to move relative to the first screening plate 7, the overlapping area of the leak holes 16 on the first screening plate 7 and the second screening plate 8 is changed, after adjustment is finished, the cement raw materials to be screened are input into the screening barrel 2 from the feed inlet 6, the motor 3 is started, the motor 3 drives the rotary shaft 10 and the U-shaped part 11 to rotate, the U-shaped part 11 drives the driven rod 9 to move up and down, the screening mechanism can be impacted up and down, the cement raw materials meeting the standards can fall from the leak holes 16 and are collected at the barrel bottom of the screening barrel 2, after screening is finished, the switch is turned on, the cement raw materials meeting the standards are discharged from the discharge hole 13, the electric telescopic rod 14 is started, the telescopic end of the electric telescopic rod 14 is enabled to be in contact with the first screening plate 7, the electric telescopic rod 14 is continuously stretched, the left end of the first screening plate 7 is lifted, and the cement raw materials which do not meet the standards are discharged from the waste residue 12 by utilizing the height difference.

Claims (6)

1. A cement raw materials sieving mechanism, its characterized in that: including screening bucket and base, screening bucket fixed connection is equipped with the feed inlet on the base, screening bucket top is equipped with the discharge gate, be equipped with screening mechanism in the screening bucket, screening mechanism includes first screening board and second screening board, second screening board joint is in the screening bucket, first screening board overlaps and places on the second screening board, evenly be equipped with a plurality of small openings on first screening hole and the second screening hole, and second screening board size slightly is less than first screening board size, be connected with the connecting rod that runs through screening bucket wall on the second screening board, connecting rod tip fixedly connected with handle, second screening board bottom is connected with vibrator.

2. A cement raw material screening apparatus according to claim 1, wherein: the vibrating device comprises a motor, a rotating shaft and a driven rod, wherein the motor is arranged on the barrel wall of the screening barrel, the rotating shaft penetrates through the barrel wall of the screening barrel and is connected with the motor, a U-shaped part is arranged on the rotating shaft, the driven rod is rotationally connected to the U-shaped part, the top end of the driven rod is fixedly connected with a push rod, and the push rod is connected with the screening plate through a spring.

3. A cement raw material screening apparatus according to claim 2, wherein: the rotating shafts in the screening barrels are in mirror symmetry.

4. A cement raw material screening apparatus according to claim 3, wherein: and one side of the screening barrel, which is far away from the motor, is provided with a waste residue discharge hole.

5. The cement raw material screening apparatus according to claim 4, wherein: be close to the driven lever top fixedly connected with electric telescopic handle of motor, pass behind the extension of electric telescopic handle's the flexible end and pass the screening hole with the second screening board and contact with first screening board, cup jointed the spring on the electric telescopic handle, spring both ends respectively with second screening board and driven lever fixed connection.

6. A cement raw material screening apparatus according to claim 5, wherein: and the top end of the driven rod far away from the motor is fixedly connected with a supporting rod.