CN218190117U

CN218190117U - Cement reducing mechanism

Info

Publication number: CN218190117U
Application number: CN202220768116.XU
Authority: CN
Inventors: 陈鹏; 李洪; 徐华君
Original assignee: Zheng'an Southwest Cement Co ltd
Current assignee: Zheng'an Southwest Cement Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2023-01-03
Anticipated expiration: 2032-04-02

Abstract

The scheme discloses a cement grinding device, which comprises a shell, wherein the shell is provided with a plurality of feed inlets, and further comprises a primary grinding device corresponding to the number of the feed inlets, the primary grinding device comprises a hydraulic cylinder, an upper grinding disc and a lower grinding disc, a rotating part is fixed at the output end of the hydraulic cylinder, the output end of the rotating part is fixedly connected with the upper grinding disc, the lower grinding disc is detachably mounted at the feed inlet of the shell, the surfaces of the upper grinding disc and the lower grinding disc are respectively provided with a grinding tooth, the lower grinding disc can be disassembled into a plurality of blocks, a plurality of discharge holes are formed in the lower grinding disc, and a secondary grinding device is fixedly mounted below the lower grinding disc; through the lower mill of polylith amalgamation with set up a plurality of discharge openings, conveniently maintain lower mill, and clear up the discharge opening.

Description

Cement reducing mechanism

Technical Field

The utility model belongs to the construction machinery field, in particular to cement reducing mechanism.

Background

The cement is a powdery hydraulic inorganic cementing material, can be solidified and hardened after being mixed with water, is not used independently, but is used for being jointed with sand and gravel to form mortar or concrete, and can be recycled, crushed and remanufactured for some cement with expired period, damp or damaged so as to achieve the aim of recycling.

Patent number CN209287397U discloses the cement production in the efficient building field of building field uses grinding equipment, including last casing and lower casing, go up the fixed first hydraulic pump that is provided with in casing upper end, first hydraulic pump lower extreme fixed connection crushing head, it is provided with the second hydraulic pump to go up the casing both sides, the inboard fixedly connected with arc connecting block of second hydraulic pump, arc connecting block lower extreme is provided with the fixed plate, it is provided with the feed inlet to go up between casing and the lower casing, the feed inlet lower extreme is provided with two sets of crushing rollers, two sets of crushing roller lower extremes are provided with the inclined plane board, the inclined plane board lower extreme is provided with the processing groove, casing bottom down is provided with the second motor, second motor power take off end fixedly connected with connecting axle, the connecting axle outside is provided with the puddler. The utility model discloses it is advanced to smash the technology, smashes the effect good, is provided with simultaneously and smashes the structure of timely cleaning of round roller, has ensured the crushing thoroughness in device later stage greatly to and the practical life of device. This scheme is because cement sediment itself has the space volume in extrusion process, and some cubic cement of burying in cement sediment bottom can not carry out preliminary crushing well, can't alleviate the burden to second level reducing mechanism, to those not by preliminary kibbling cement pieces, second level reducing mechanism is for the one-level is smashed, and crushing effect will greatly reduced, and this scheme can't realize continuous processing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cement reducing mechanism to solve the current cubic cement of burying in cement sediment bottom and can not carry out preliminary smashing well, can't alleviate the burden and smash the problem that the effect reduces and can't realize continuous processing to second grade reducing mechanism.

The cement crushing device comprises a shell, wherein the shell is provided with a plurality of feeding holes, and the cement crushing device also comprises primary crushing devices corresponding to the feeding holes in number, the primary crushing devices are arranged above the feeding holes, each primary crushing device comprises a hydraulic cylinder, an upper grinding disc and a lower grinding disc, a rotating part is fixed at the output end of the hydraulic cylinder, the output end of the rotating part is fixedly connected with the upper grinding disc, and the power of the hydraulic cylinder and the rotating part is derived from an external hydraulic system; lower mill demountable installation all is provided with the grinding tooth in the feed inlet department of casing, the surperficial setting of runner stone and lower mill, but lower mill split be the polylith, and evenly is provided with a plurality of discharge openings along the split line, lower mill below fixed mounting has second grade reducing mechanism, and second grade reducing mechanism's below is provided with the discharge gate.

The working principle and the technical effect of the scheme are as follows: according to the scheme, the cement blocks are manually placed into a feeding hole, an external hydraulic system is started, the hydraulic cylinder drives the upper grinding disc to downwards extrude the cement blocks, the rotating piece drives the upper grinding disc to rotate while crushing the cement blocks, the cement blocks hidden under cement slag are prevented from not being extruded and crushed, when the upper grinding disc is driven to rotate, grinding teeth on the upper grinding disc and the lower grinding disc accelerate grinding and crushing of the cement blocks, and the burden of a secondary crushing device is reduced; the crushed cement blocks enter a secondary crushing device through a discharge hole, and the secondary crushing device is used for secondarily crushing the cement slag, so that a better crushing effect is realized; the hydraulic system flows in reversely, so that the hydraulic cylinder drives the upper millstone to reset, in the process, workers feed materials to other feed ports, and the process is repeated, so that the effect of continuous processing is realized; through the lower mill of polylith amalgamation and evenly set up a plurality of discharge openings along the split line, conveniently maintain lower mill, and clear up the discharge opening.

Furthermore, the rotating part comprises a shell and a rotating body which is rotationally connected with the shell, the rotating body is fixedly connected with the upper grinding disc through a connecting rod, and the inner cavity of the shell, the hydraulic cylinder and the external hydraulic system are connected in series through hoses. The scheme improves the utilization rate of energy sources in a series connection mode.

Furthermore, the grinding teeth on the surface of the lower millstone are in a spiral shape, and when the device performs crushing operation, the rotating direction of the rotating body is the spiral direction of the spiral grinding teeth. The grinding tooth of snail form is passed through to this scheme, and when the device carried out crushing work, the rotor drove the runner stone and rotates, and the runner stone drives the cement sediment on runner stone surface along snail form grinding tooth, prevents that the cement sediment from making things convenient for the cement sediment to follow the discharge opening blanking because the effect gathering of centrifugal force is at the edge of runner stone down.

Further, second grade reducing mechanism includes the swash plate and at the rolling roller of swash plate one end, and the top of roller is provided with the cleaning brush. This scheme carries out the secondary crushing through rolling the roller to the cement sediment and realizes better crushing effect, utilizes the cleaning brush to sweep out the residue that rolls roller surface, prevents that the residue from being stained with and attaches on rolling the roller, and the surface of rolling the roller is not smooth, reduces the effect of secondary crushing.

Further, a cement reducing mechanism still include the screening subassembly, the screening subassembly sets up in discharge gate department, the screening subassembly includes that a plurality of perpendicular sieves of arranging draw the box, cam and No. two motors, the screening draws the inner wall of box sliding connection at the discharge gate, the screening is drawn and is provided with the spring between the inner wall of one side of box and discharge gate, the screening is drawn and is provided with the push pedal between the inner wall of the opposite side of box and discharge gate, the push pedal is kept away from the screening and is drawn the inner wall that the one end of box runs through the discharge gate, and contact with the cam, the output at No. two motors is fixed to the cam. According to the scheme, the screening component is arranged, on one hand, the second motor is utilized to drive the cam to push the push plate, the push plate pushes the screening pull box, the spring resets the screening pull box, and the screening of cement powder is realized under the action of pushing and pulling the screening pull box, so that qualified cement is obtained; on the other hand, the plurality of screening pull boxes can be used for cleaning residues without stopping the machine or collecting the residues and putting the residues into the device again for crushing.

Drawings

FIG. 1 is a front sectional view of a cement grinding apparatus according to embodiment 1 of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a top view of the lower grinding disc;

fig. 4 is a front sectional view of embodiment 2 of the cement grinding apparatus of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a shell 1, a primary crushing device 2, a hydraulic cylinder 21, a rotating piece 22, a shell 221, a rotating body 222, an upper grinding disc 23, a lower grinding disc 24, a discharge hole 241, grinding teeth 25, a sloping plate 31, a grinding roller 32, a cleaning brush 33, a screening assembly 4, a screening pulling box 41, a cam 42, a second motor 43, a spring 44 and a push plate 45.

Embodiment 1, as shown in fig. 1 to 3, a cement pulverizing apparatus includes a casing 1, in this scheme, at least two feed inlets are provided on the casing 1, a primary pulverizing apparatus 2 corresponding to the number of the feed inlets is provided, the primary pulverizing apparatus 2 is provided above the feed inlets, the primary pulverizing apparatus 2 includes a hydraulic cylinder 21, an upper grinding disc 23 and a lower grinding disc 24, an output end of the hydraulic cylinder 21 is fixed with a rotating member 22, the rotating member 22 includes a housing 221 and a rotating member 222 rotatably connected with the housing 221, the rotating member 222 is fixedly connected with the upper grinding disc 23 through a connecting rod, an inner cavity of the housing 221, the hydraulic cylinder 21 and an external hydraulic system are connected in series through hoses; lower mill 24 passes through bolt fixed mounting in the feed inlet department of casing 1, the surface setting of upper mill 23 and lower mill 24 all is provided with grinding tooth 25, the shape of grinding tooth 25 on the surface of lower mill 24 is the snail form, the device smashes the during operation, rotor 222 pivoted direction is the screw direction of snail form grinding tooth 25, but lower mill 24 split is six at least in this scheme, and evenly be provided with a plurality of discharge openings 241 along the split line, there are six split lines for lower mill 24 split, can arrange more discharge openings 241, prevent to block up and improve the blanking efficiency of cement from discharge opening 241 department, lower mill 24 below fixed mounting has the secondary crushing device, the below of secondary crushing device is provided with the discharge gate.

Second grade reducing mechanism includes swash plate 31 and the rolling roller 32 that rolls in swash plate 31 one end, and this scheme roller 32 and the output fixed connection of a motor, the top of roller 32 is provided with cleaning brush 33.

Embodiment 2, the difference with embodiment 1 is shown in fig. 4, further include screening assembly 4, screening assembly 4 sets up in discharge gate department, screening assembly 4 includes that at least two screens draw box 41, cam 42 and No. two motors 43, screening draws box 41 sliding connection at the inner wall of discharge gate, screening draws and is provided with spring 44 between one side of box 41 and the inner wall of discharge gate, screening draws and is provided with push pedal 45 between the other side of box 41 and the inner wall of discharge gate, push pedal 45 is kept away from screening and is drawn the inner wall of box 41 and run through the discharge gate to contact with cam 42, cam 42 is fixed at the output of No. two motors 43.

The specific implementation mode is as follows: as shown in embodiment 2, the cement blocks are manually placed into a feeding hole, an external hydraulic system is started, the hydraulic cylinder 21 drives the upper grinding disc 23 to extrude the cement blocks downwards, the rotating member 22 drives the upper grinding disc 23 to rotate while crushing the cement blocks, the cement blocks hidden under cement slag are prevented from being crushed without extrusion, and when the upper grinding disc 23 is driven to rotate, the grinding teeth 25 on the upper grinding disc 23 and the lower grinding disc 24 accelerate grinding and crushing of the cement blocks, so that the burden of a secondary crushing device is reduced; the crushed cement blocks enter a secondary crushing device through a discharge hole 241, a grinding roller 32 in the secondary crushing device performs secondary crushing on cement slag to achieve a better crushing effect, a cleaning brush 33 is used for sweeping residues on the surface of the grinding roller 32 to prevent the residues from being adhered to the grinding roller 32, the surface of the grinding roller 32 is not smooth, and the secondary crushing effect is reduced; then starting the reverse inflow of the hydraulic system to enable the hydraulic cylinder 21 to drive the upper grinding disc 23 to reset, and in the process, feeding is carried out on the other feeding holes by workers, and the steps are repeated so as to realize the effect of continuous processing; after processed cement passes through the screening component, on one hand, the second motor 43 is utilized to drive the cam 42 to push the push plate 45, the push plate 45 pushes the screening pull box 41, the spring 44 resets the screening pull box 41, and screening of cement powder is realized under the action of pushing and pulling the screening pull box 41, so that qualified cement is obtained; on the other hand, by using a plurality of screening boxes 41, the residue can be cleaned without stopping the machine or can be thrown into the device again to be crushed.

Claims

1. A cement reducing mechanism comprising: the grinding device comprises a shell and is characterized by also comprising primary grinding devices, wherein the number of the primary grinding devices corresponds to that of the feed inlets, the primary grinding devices are arranged above the feed inlets, each primary grinding device comprises a hydraulic cylinder, an upper grinding disc and a lower grinding disc, a rotating part is fixed at the output end of the hydraulic cylinder, the output end of the rotating part is fixedly connected with the upper grinding disc, and the power of the hydraulic cylinder and the rotating part comes from an external hydraulic system; lower mill demountable installation all is provided with the grinding tooth in the feed inlet department of casing, the surperficial setting of runner stone and lower mill, but lower mill split be the polylith, and evenly is provided with a plurality of discharge openings along the split line, lower mill below fixed mounting has second grade reducing mechanism, and second grade reducing mechanism's below is provided with the discharge gate.

2. A cement pulverizing apparatus as defined in claim 1, wherein: the rotating part comprises a shell and a rotating body which is rotatably connected with the shell, the rotating body is fixedly connected with the upper grinding disc through a connecting rod, and the inner cavity of the shell, the hydraulic cylinder and the external hydraulic system are connected in series through hoses.

3. A cement pulverizing apparatus as defined in claim 2, wherein: the grinding teeth on the surface of the lower grinding disc are in a spiral shape, and when the device performs grinding operation, the rotating direction of the rotating body is the spiral direction of the spiral grinding teeth.

4. A cement pulverizing apparatus as defined in claim 3, wherein: the secondary crushing device comprises an inclined plate and a rolling roller which rolls at one end of the inclined plate, and a cleaning brush is arranged above the rolling roller.

5. A cement crushing apparatus as defined in any one of claims 1 to 4 wherein: still include the screening subassembly, the screening subassembly sets up in discharge gate department, the screening subassembly includes that a plurality of perpendicular sieves of arranging draw the box, cam and No. two motors, the screening draws the inner wall of box sliding connection at the discharge gate, the screening is drawn and is provided with the spring between the inner wall of one side of box and discharge gate, the screening is drawn and is provided with the push pedal between the inner wall of the opposite side of box and discharge gate, the push pedal is kept away from the screening and is drawn the inner wall that the one end of box runs through the discharge gate, and contact with the cam, the output at No. two motors is fixed to the cam.