CN215996838U

CN215996838U - Grinding device is smashed to cement

Info

Publication number: CN215996838U
Application number: CN202122039519.9U
Authority: CN
Inventors: 厉莉
Original assignee: Xuzhou Huapeng Machinery Technology Co ltd
Current assignee: Qing'an Sansong Industrial Co ltd Helongjiang Prov
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-11
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a cement grinding device which comprises a crushing box, wherein two crushing rollers are rotatably connected in the crushing box, the middle part of the upper side of the crushing box is rotatably connected with a circular plate, the circular plate covers the upper side of a feeding hole, a fan-shaped groove is formed in one side of the circular plate, the fan-shaped groove is fixedly connected with a fan-shaped box, the upper end and the lower end of the fan-shaped box are of an open structure, the fan-shaped box can be coaxial with the feeding hole, the middle part of the circular plate is fixedly connected with a driving shaft, the lower end of the driving shaft is rotatably connected with the upper side of the crushing box, the upper end of the driving shaft is fixedly connected with a first belt pulley, one side of the crushing box is fixedly connected with a support plate, the bottom of the support plate is fixedly connected with a driving motor, the end of a main shaft of the driving motor is fixedly connected with a second belt pulley, and a conveying belt is arranged between the first belt pulley and the second belt pulley. According to the utility model, the fan-shaped box is moved to the position of the feeding hole, the material enters the crushing box, and the material enters the crushing box and drives the circular plate to rotate and cover the feeding hole by the driving motor, so that dust is prevented from being diffused from the feeding hole.

Description

Grinding device is smashed to cement

Technical Field

The utility model relates to the technical field of cement grinding, in particular to a cement grinding device.

Background

At present, limestone is mainly calcium carbonate CaCO 3. Lime and limestone are a large number of raw materials used in construction materials, industry. Limestone can be directly processed into stone and burnt into quicklime, the limestone is a main raw material for cement production, and a cement factory needs to process and treat blocky limestone after crushing the blocky limestone during the cement production.

The feed inlet of the existing grinding and crushing device is open, so that dust generated by grinding is easy to diffuse, and the health of workers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a cement grinding and grinding device, so that the problems in the prior art are solved.

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

a cement grinding device comprises a crushing box, wherein two crushing rollers are rotationally connected in the crushing box, a crushing channel is formed between the two crushing rollers, a feed inlet is formed in one end of the upper side of the crushing box, an air vent is formed in one side of the crushing box, a filter screen is fixedly connected in the air vent, an exhaust pipe is fixedly connected to the other side of the crushing box, a circular plate is rotationally connected to the middle of the upper side of the crushing box and covers the upper side of the feed inlet, a fan-shaped groove is formed in one side of the circular plate, a fan-shaped box is fixedly connected in the fan-shaped groove, the upper end and the lower end of the fan-shaped box are both of an open structure, the fan-shaped box can be coaxial with the feed inlet, a driving shaft is fixedly connected to the middle of the circular plate, the lower end of the driving shaft is rotationally connected with the upper side of the crushing box, a first belt pulley is fixedly connected to the upper end of the driving shaft, and a support plate is fixedly connected to one side of the crushing box, the bottom of the support plate is fixedly connected with a driving motor, the end head of a main shaft of the driving motor is fixedly connected with a second belt pulley, and a conveying belt is arranged between the first belt pulley and the second belt pulley;

the crushing box is internally rotatably connected with a guide plate, and the guide plate is positioned below the feeding hole.

Preferably, the pivot one end of deflector runs through broken case and extends to outside one end fixed connection gear, broken case outside fixed connection backup pad, the backup pad is equipped with the quad slit, sliding connection quad bar in the quad slit, quad bar upper end fixed connection rack, the rack meshes with the gear mutually, fixed connection reset spring between rack and the backup pad.

Preferably, rack upper end fixed connection horizontal pole, driving motor's main shaft middle part fixed connection disc, a plurality of arc lugs of disc bottom annular array fixed connection, the arc lug can extrude the horizontal pole upper surface.

Preferably, one side of the cross rod close to the driving motor is provided with a guide slope.

Preferably, at least two partition plates are fixedly connected to the upper side of the guide plate.

Preferably, two baffle plates are symmetrically and fixedly connected inside the crushing box, one ends, opposite to the two baffle plates, of the two baffle plates are fixedly connected with an arc-shaped plate respectively, and the arc-shaped plates are coaxial with the crushing roller.

The utility model has the advantages that: according to the cement grinding device provided by the utility model, materials to be ground are intermittently put into the fan-shaped box, then the driving motor drives the circular plate to rotate through the conveying belt, when the fan-shaped box moves to the position of the feeding hole, the materials enter the grinding box and drive the driving motor to drive the circular plate to rotate and cover the feeding hole, so that dust is prevented from being diffused from the feeding hole, the materials are prevented from being accumulated in a feeding mode in a grading mode, and the materials are conveniently and fully ground.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

figure 3 is a top view of a circular plate of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in figures 1-3, the cement grinding device provided by the utility model comprises a crushing box 1, two crushing rollers 11 are rotatably connected in the crushing box 1, a crushing channel is formed between the two crushing rollers 11, a feed inlet 12 is arranged at one end of the upper side of the crushing box 1, an air vent 13 is arranged at one side of the crushing box 1, a filter screen is fixedly connected in the air vent 13, an air exhaust pipe 14 is fixedly connected at the other side of the crushing box 1, the air exhaust pipe 14 is connected to a dust exhaust device in the prior art to intensively exhaust dust generated by crushing, a circular plate 2 is rotatably connected to the middle of the upper side of the crushing box 1, the circular plate 2 covers the upper side of the feed inlet 12, a fan-shaped groove is arranged at one side of the circular plate 2, a fan-shaped box 21 is fixedly connected in the fan-shaped groove, the upper end and the lower end of the fan-shaped box 21 are both in an open structure, the fan-shaped box 21 can be coaxial with the feed inlet 12, a drive shaft 22 is fixedly connected to the middle of the circular plate 2, the lower end of the drive shaft 22 is rotatably connected with the upper side of the crushing box 1, the upper end of the driving shaft 22 is fixedly connected with a first belt 23 wheel, one side of the crushing box 1 is fixedly connected with a support plate 24, the bottom of the support plate 24 is fixedly connected with a driving motor 25, the end head of a main shaft of the driving motor 25 is fixedly connected with a second belt wheel 26, and a conveying belt 27 is arranged between the first belt 23 wheel and the second belt wheel 26; intermittent type is put into the broken material of needs in fan-shaped case 21, and driving motor 25 orders about circular plate 2 through conveyer 27 afterwards and rotates, and when fan-shaped case 21 moved feed inlet 12 position, the material got into broken case 1 in, the material got into broken case 1 driving motor 25 orders about circular plate 2 and rotates and form to feed inlet 12 and cover, avoids the dust to be diffused by feed inlet 12, and through the reinforced mode in grades for the material can not pile up, is convenient for carry out the intensive grinding to the material.

Inside rotation of broken case 1 connects deflector 3, and deflector 3 is located feed inlet 12 below, and the lower extreme of deflector 3 extends to broken passageway directly over, two baffles 311 of 3 upside fixed connection at least, and baffle 311 slows down the speed of raw materials whereabouts, avoids piling up more material between crushing roller 11, influences crushing effect.

One end of a rotating shaft of the guide plate 3 penetrates through the crushing box 1 and extends to the outside to be fixedly connected with a gear 31, the outer side of the crushing box 1 is fixedly connected with a support plate 32, the support plate 32 is provided with a square hole, a square rod 33 is slidably connected in the square hole, the upper end of the square rod 33 is fixedly connected with a rack 34, the rack 34 is meshed with the gear 31, a reset spring 35 is fixedly connected between the rack 34 and the support plate 32, the upper end of the rack 34 is fixedly connected with a cross rod 36, the middle part of a main shaft of the driving motor 25 is fixedly connected with a disc 37, the bottom of the disc 37 is fixedly connected with a plurality of arc-shaped convex blocks 38 in an annular array manner, the arc-shaped convex blocks 38 can be extruded on the upper surface of the cross rod 36, and one side, close to the driving motor 25, of the cross rod 36 is provided with a guide slope surface; in the pivoted in-process of disc 37, arc lug 38 forms to push down horizontal pole 36 by the domatic horizontal pole 36 top of arriving of direction, the correspondence makes square pole 33, rack 34 moves down thereby it rotates to order about gear 31, when arc lug 38 is far away from horizontal pole 36, reset spring 35 makes rack 34 rise thereby make gear 31 gyration, realize gear 31's periodic reciprocating rotation, the correspondence makes deflector 3 form the swing, the swing of deflector 3 is on the one hand with between two crushing rollers 11 of material direction, on the other hand slows down material falling speed, make the material that gets into between the crushing roller 11 can obtain sufficient time and carry out broken grinding, guarantee grinding quality.

Two baffles 4 of 1 inside symmetry fixed connection of broken case, two arc 5 of 4 relative one ends difference fixed connection of baffle, arc 5 and crushing roller 11 are coaxial, form the direction just to the material of whereabouts, and two crushing rollers 11 are and rotate in opposite directions for the material all can be by passing between two crushing rollers 11 and ground the breakage, avoids omitting.

During the use, intermittent type puts into the broken material of needs in fan-shaped case 21, and driving motor 25 orders about circular slab 2 through conveyer 27 afterwards and rotates, and when fan-shaped case 21 moved the feed inlet 12 position, the material got into broken case 1 in, the material got into broken case 1 driving motor 25 orders about circular slab 2 and rotates and form to feed inlet 12 and cover, avoids the dust to be diffused by feed inlet 12, and through the reinforced mode of branch times, makes the material can not pile up, is convenient for carry out abundant grinding to the material.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grinder is smashed to cement, includes broken case (1), two crushing rollers (11) are connected to broken case (1) internal rotation, form broken passageway between two crushing rollers (11), broken case (1) upside one end is equipped with feed inlet (12), broken case (1) one side is equipped with air vent (13), air vent (13) internal fixation connects the filter screen, broken case (1) opposite side fixed connection exhaust tube (14), its characterized in that: the middle part of the upper side of the crushing box (1) is rotationally connected with a circular plate (2), the circular plate (2) covers the upper side of the feeding hole (12), one side of the circular plate (2) is provided with a fan-shaped groove, a fan-shaped box (21) is fixedly connected in the fan-shaped groove, the upper end and the lower end of the fan-shaped box (21) are both in an open structure, the fan-shaped box (21) can be coaxial with the feed inlet (12), the middle part of the circular plate (2) is fixedly connected with a driving shaft (22), the lower end of the driving shaft (22) is rotatably connected with the upper side of the crushing box (1), the upper end of the driving shaft (22) is fixedly connected with a first belt (23) wheel, one side of the crushing box (1) is fixedly connected with a support plate (24), the bottom of the support plate (24) is fixedly connected with a driving motor (25), the end head of a main shaft of the driving motor (25) is fixedly connected with a second belt pulley (26), a transmission belt (27) is arranged between the first belt (23) wheel and the second belt wheel (26);

the crushing box (1) is internally and rotatably connected with a guide plate (3), and the guide plate (3) is positioned below the feeding hole (12).

2. The cement grinding mill as claimed in claim 1, wherein: the utility model discloses a crushing case, including deflector (3), broken case (1), backup pad (32), sliding connection square pole (33) in the quad slit, square pole (33) upper end fixed connection rack (34), rack (34) mesh with gear (31) mutually, fixed connection reset spring (35) between rack (34) and backup pad (32).

3. The cement grinding mill as claimed in claim 2, wherein: rack (34) upper end fixed connection horizontal pole (36), main shaft middle part fixed connection disc (37) of driving motor (25), a plurality of arc lug of disc (37) bottom annular array fixed connection (38), horizontal pole (36) upper surface can be extruded to arc lug (38).

4. A cement grinding mill as set forth in claim 3, characterized in that: a guide slope surface is arranged on one side of the cross rod (36) close to the driving motor (25).

5. A cement grinding mill as set forth in claim 3, characterized in that: the upper side of the guide plate (3) is at least fixedly connected with two partition plates (311).

6. The cement grinding mill as claimed in claim 1, wherein: the inner part of the crushing box (1) is symmetrically and fixedly connected with two baffle plates (4), one ends of the two baffle plates (4) opposite to each other are respectively and fixedly connected with an arc-shaped plate (5), and the arc-shaped plates (5) are coaxial with the crushing roller (11).