CN217093691U

CN217093691U - Cement grinding device for roller press

Info

Publication number: CN217093691U
Application number: CN202220901032.9U
Authority: CN
Inventors: 侯敏杰
Original assignee: Pingdingshan Tianruiyaodian Cement Co ltd
Current assignee: Pingdingshan Tianruiyaodian Cement Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-02
Anticipated expiration: 2032-04-18

Abstract

The application relates to the technical field of cement grinding, in particular to a cement grinding device for a roller press, which comprises a crushing bin, wherein a first feed inlet and a first discharge outlet are respectively arranged at the upper side and the lower side of the crushing bin; install screw conveyer on crushing the outer wall in storehouse, screw conveyer's lower extreme is equipped with and communicates in the inside second feed inlet in crushing storehouse, and in the low side of sieve stretched into the second feed inlet, screw conveyer's high-end was equipped with the second discharge gate of downward sloping and orientation first feed inlet. This application can improve the grinding efficiency of building stones.

Description

Cement grinding device for roller press

Technical Field

The application relates to the technical field of cement grinding, in particular to a cement grinding device for a roller press.

Background

The roller press is novel cement energy-saving grinding equipment developed in the middle of the international 80 s, and has the functions of replacing a ball mill pre-grinding system with high energy consumption and low efficiency and reducing steel consumption and noise.

Through retrieval, Chinese patent publication No. CN210906348U discloses a cement vertical type grinding device, which comprises a grinding bin, wherein a feed inlet is formed in the top of the grinding bin, a discharge outlet is formed in the bottom of the grinding bin, and the grinding bin comprises a grinding bin and a screening part; the grinding bin comprises a pair of grinding rollers which rotate relatively, and the outer circumferential surfaces of the grinding rollers are provided with friction layers; screening portion includes heave plate and screen cloth, heave plate level rotate cooperate in smash in the storehouse, and the heave plate passes through driving motor and drives, the heave plate distributes and has a plurality of through-holes, the upper surface radial radiation of heave plate has a plurality of protruding strips, the screen cloth level set up in the below of heave plate can be smashed the building stones, and an organic whole filters simultaneously, finally obtains qualified powder, through the active screening of heave plate, and work efficiency can show the improvement, improves the grinding quality.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the large-particle stone is discharged from the first discharge port and the second discharge port, workers still need to add the stone into the crushing bin again for crushing, the operation is troublesome, the grinding efficiency of the stone is affected, and therefore improvement is needed.

Disclosure of Invention

In order to improve the grinding efficiency of building stones, the application provides a cement grinding device for a roller press.

The application provides a cement grinding device for roll squeezer adopts following technical scheme: a cement grinding device for a roller press comprises a crushing bin, wherein a first feeding hole and a first discharging hole are respectively formed in the upper side and the lower side of the crushing bin, a grinding mechanism and a screening mechanism are sequentially arranged in the crushing bin from top to bottom, the screening mechanism comprises a sieve plate which is obliquely arranged and a vibration assembly for driving the sieve plate to vibrate up and down, and a plurality of baffle plates which are arranged in a staggered mode are arranged on the upper surface of the sieve plate; install screw conveyer on crushing the outer wall in storehouse, screw conveyer's lower extreme is equipped with and communicates in the inside second feed inlet in crushing storehouse, and in the low side of sieve stretched into the second feed inlet, screw conveyer's high-end was equipped with the second discharge gate of downward sloping and orientation first feed inlet.

Optionally, the crocus mechanism includes that two are the interval setting and rotate and connect in the grinding roller and two first motors of installing in the crushing storehouse outside of smashing the storehouse inner wall, installs a plurality of dogtooths on the outer wall of grinding roller, and the output shaft of first motor extends and coaxial coupling in grinding roller along the horizontal direction.

Optionally, be equipped with the stock guide that is the slope setting between sieve and the crocus mechanism, the low side of stock guide and the inside wall of smashing the storehouse have enclosed into the unloading chamber jointly, and the unloading chamber is located the sieve high-end directly over.

Optionally, be equipped with rubbing crusher structure between stock guide and the crocus mechanism, rubbing crusher structure is including rotating the second motor of connecting in crushing storehouse inner wall and being located the crushing roller of stock guide low-end department and installing in crushing storehouse outside, installs a plurality of spines on the lateral wall of crushing roller, and the output shaft of second motor extends and coaxial coupling in crushing roller along the horizontal direction.

Optionally, sieve and stock guide all rotate to be connected in the inner wall of smashing the storehouse and overturn on vertical face, and the vibration subassembly includes that two are installed at the third motor in smashing the storehouse outside, and the output shaft of third motor extends and the cover is equipped with the cam along the horizontal direction, and two cams contradict respectively in the lower surface of sieve and the lower surface of stock guide.

Optionally, the rotating shaft of the screen plate is located at the high end of the screen plate, one of the cams is located at the low end of the screen plate, the rotating shaft of the material guide plate is located at the high end of the material guide plate, and the other cam is located at the low end of the material guide plate.

Optionally, one side of the material baffle, which faces the high end of the sieve plate, is provided with an inclined surface for guiding stone materials to the low end of the sieve plate.

Optionally, the bottom of the crushing bin is funnel-shaped.

To sum up, this application includes following beneficial technological effect:

1. when stone enters the crushing bin from the first feeding hole, the stone moves to a position between the two grinding rollers, the two first motors drive the corresponding grinding rollers to rotate, the convex teeth on the grinding rollers extrude and grind the stone, the ground stone passes through a gap between the two grinding rollers and falls downwards onto the upper surface of the material guide plate, the second motor drives the crushing rollers to rotate, the sharp spines on the crushing rollers crush the stone again, the crushed stone passes through the blanking cavity and falls onto the high end of the sieve plate and slides towards the low end of the sieve plate, qualified stone passes through the sieve holes on the sieve plate and is discharged from the first discharging hole, unqualified stone enters the screw conveyor through the second feeding hole, and the screw conveyor can convey the stone inside the screw into the first feeding hole through the second discharging hole so as to crush the unqualified stone again;

2. when stones slide on the upper surfaces of the material guide plate and the sieve plate, the third motor drives the cam to rotate, and the cam drives the material guide plate and the sieve plate to swing up and down, so that the stones slide down, and the blocking of the stones is reduced;

3. the striker plate can block gliding building stones on the sieve, and it is long when having prolonged the motion of building stones on the sieve to qualified building stones pass the sieve mesh on the sieve.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

fig. 2 is a schematic sectional structure view of the whole in the embodiment of the present application.

Reference numerals: 1. a crushing bin; 11. a first feed port; 12. a first discharge port; 2. a milling mechanism; 21. grinding the roller; 22. a first motor; 23. a convex tooth; 3. a screening mechanism; 31. a material guide plate; 32. a sieve plate; 33. a blanking cavity; 34. a vibrating assembly; 341. a third motor; 342. a cam; 35. a striker plate; 351. an inclined surface; 4. a crushing mechanism; 41. a crushing roller; 42. a second motor; 43. pricking with a sharp point; 5. a screw conveyor; 51. a second feed port; 52. and a second discharge hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a cement grinding device for a roller press. As shown in fig. 1 and 2, a cement grinding device for a roller press comprises a grinding bin 1, wherein a first feed port 11 and a first discharge port 12 are respectively arranged on the upper side and the lower side of the grinding bin 1, and a grinding mechanism 2 and a screening mechanism 3 which are sequentially arranged from top to bottom are arranged in the grinding bin 1.

Milling mechanism 2 includes that two are the interval setting and rotate and connect in grinding roller 21 and two first motors 22 of installing in the grinding 1 outside of storehouse of smashing the storehouse 1 inner wall, installs a plurality of dogtooths 23 on grinding roller 21's the outer wall, and the output shaft of first motor 22 extends and coaxial coupling in grinding roller 21 along the horizontal direction.

When stone enters the crushing bin 1 from the first feed port 11, the stone moves to a position between the two grinding rolls 21, the two first motors 22 drive the corresponding grinding rolls 21 to rotate, the two grinding rolls 21 synchronously and reversely rotate, the convex teeth 23 on the grinding rolls 21 extrude and grind the stone, and the ground stone passes through a gap between the two grinding rolls 21 and falls downwards.

The screening mechanism 3 comprises a material guide plate 31 and a screen plate 32 which are obliquely arranged, and the stones passing through the gap between the two grinding rollers 21 fall on the upper surface of the material guide plate 31 and slide to the lower end of the material guide plate 31; the lower end of the material guide plate 31 and the inner side wall of the crushing bin 1 jointly enclose a blanking cavity 33, and the blanking cavity 33 is positioned right above the high end of the sieve plate 32.

Be equipped with rubbing crusher mechanism 4 between stock guide 31 and the crocus mechanism 2, rubbing crusher mechanism 4 is including rotating the crushing roller 41 that connects in crushing 1 inner wall and be located stock guide 31 low end department and installing the second motor 42 in crushing 1 outside, installs a plurality of spines 43 on the lateral wall of crushing roller 41, and the output shaft of second motor 42 extends and coaxial coupling in crushing roller 41 along the horizontal direction.

When the stone on the material guide plate 31 slides to the lower end of the material guide plate 31, the second motor 42 drives the crushing roller 41 to rotate, the spikes 43 on the crushing roller 41 crush the stone again, the crushed stone passes through the blanking cavity 33, falls on the high end of the sieve plate 32 and slides to the lower end of the sieve plate 32, and qualified stone passes through the sieve holes on the sieve plate 32 and is discharged from the first discharge hole 12; the bottom of the crushing bin 1 is funnel-shaped, so that stones are not easy to accumulate at the first discharge hole 12.

The sieve plate 32 and the guide plate 31 are both rotationally connected to the inner wall of the crushing bin 1 and are turned over on the vertical surface, the screening mechanism 3 further comprises a vibration assembly 34 which is used for driving the guide plate 31 and the sieve plate 32 to vibrate up and down, the vibration assembly 34 comprises two third motors 341 which are installed on the outer side of the crushing bin 1, the output shafts of the third motors 341 extend along the horizontal direction and are sleeved with cams 342, and the two cams 342 are respectively abutted to the lower surface of the sieve plate 32 and the lower surface of the guide plate 31.

When stones slide on the upper surface of the material guide plate 31 and the upper surface of the screen plate 32, the third motor 341 drives the cam 342 to rotate, and the cam 342 drives the material guide plate 31 and the screen plate 32 to swing up and down, so that the stones slide down, and the occurrence of stone blocking is reduced.

It should be noted that the rotating shaft of the screen plate 32 is located at the high end of the screen plate 32, one cam 342 is located at the low end of the screen plate 32, the rotating shaft of the material guiding plate 31 is located at the high end of the material guiding plate 31, and the other cam 342 is located at the low end of the material guiding plate 31, so as to ensure the stability of the screen plate 32 and the material guiding plate 31 during the swinging process.

The upper surface of the sieve plate 32 is provided with a plurality of baffle plates 35 which are arranged in a staggered manner, the baffle plates 35 can block the stones sliding on the sieve plate 32, the movement time of the stones on the sieve plate 32 is prolonged, and the qualified stones can conveniently pass through sieve holes on the sieve plate 32; the striker plate 35 is equipped with inclined plane 351 towards the high-end one side of sieve 32, and inclined plane 351 can lead the building stones to the low-end department of sieve 32 for the building stones are difficult too much to pile up at the upper surface of sieve 32.

The outer wall of the crushing bin 1 is provided with a vertically arranged screw conveyor 5, the lower end of the screw conveyor 5 is provided with a second feed port 51 communicated with the inside of the crushing bin 1, the lower end of the sieve plate 32 extends into the second feed port 51, and unqualified stone on the sieve plate 32 enters the screw conveyor 5 through the second feed port 51; the high end of the screw conveyor 5 is provided with a second discharge hole 52 which is inclined downwards and faces the first feed hole 11, and the screw conveyor 5 can convey stone in the screw conveyor 5 into the first feed hole 11 through the second discharge hole 52 so as to crush unqualified stone again.

The implementation principle of the cement grinding device for the roller press in the embodiment of the application is as follows: when stone enters the crushing bin 1 from the first feed opening 11, the stone moves to a position between the two grinding rolls 21, the two first motors 22 drive the corresponding grinding rolls 21 to rotate, the convex teeth 23 on the grinding rolls 21 extrude and grind the stone, and the ground stone passes through a gap between the two grinding rolls 21 and falls downwards onto the upper surface of the guide plate 31.

The third motor 341 will drive the cam 342 to rotate, the cam 342 will drive the material guiding plate 31 and the sieve plate 32 to swing up and down, so that the stone material on the material guiding plate 31 slides to the lower end of the material guiding plate 31, the second motor 42 will drive the crushing roller 41 to rotate, the spine 43 on the crushing roller 41 will crush the stone material again, the crushed stone material will pass through the discharging cavity 33 and fall on the high end of the sieve plate 32 and slide to the lower end of the sieve plate 32, the qualified stone material will pass through the sieve holes on the sieve plate 32 and be discharged from the first discharging hole 12, the unqualified stone material will enter the screw conveyor 5 through the second feeding hole 51, and the screw conveyor 5 will convey the stone material inside to the first feeding hole 11 through the second discharging hole 52, so as to crush the unqualified stone material again.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cement grinding device for roll squeezer, is equipped with from last crocus mechanism (2) and screening mechanism (3) that set gradually down in crushing storehouse (1) including smashing storehouse (1), the upper and lower both sides of smashing storehouse (1) are equipped with first feed inlet (11) and first discharge gate (12) respectively, its characterized in that: the screening mechanism (3) comprises a screen plate (32) which is obliquely arranged and a vibration assembly (34) for driving the screen plate (32) to vibrate up and down, and a plurality of baffle plates (35) which are staggered are arranged on the upper surface of the screen plate (32); install screw conveyer (5) on the outer wall in crushing storehouse (1), the lower extreme of screw conveyer (5) is equipped with and communicates in the inside second feed inlet (51) in crushing storehouse (1), and the low side of sieve (32) stretches into in second feed inlet (51), and the high-end second discharge gate (52) that is equipped with the downward sloping and towards first feed inlet (11) of screw conveyer (5).

2. The cement grinding device for the roller press as claimed in claim 1, wherein: milling mechanism (2) are including two being the interval setting and rotate and connect in grinding roller (21) and two first motors (22) of installing in grinding the storehouse (1) outside in grinding the storehouse (1) inner wall, install a plurality of dogtooths (23) on the outer wall of grinding roller (21), and the output shaft of first motor (22) extends and coaxial coupling in grinding roller (21) along the horizontal direction.

3. The cement grinding device for the roller press as claimed in claim 1, wherein: be equipped with between sieve (32) and crocus mechanism (2) and be the stock guide (31) that the slope set up, the low side of stock guide (31) has enclosed into unloading chamber (33) with the inside wall that smashes storehouse (1) jointly, and unloading chamber (33) are located sieve (32) high-end directly over.

4. The cement grinding device for the roller press as claimed in claim 3, wherein: be equipped with rubbing crusher structure (4) between stock guide (31) and crocus mechanism (2), rubbing crusher structure (4) including rotate connect in crushing storehouse (1) inner wall and be located crushing roller (41) of stock guide (31) low end department and install second motor (42) in crushing storehouse (1) outside, install a plurality of spines (43) on the lateral wall of crushing roller (41), the output shaft of second motor (42) extends and coaxial coupling in crushing roller (41) along the horizontal direction.

5. The cement grinding device for the roller press as claimed in claim 3, wherein: sieve (32) and stock guide (31) all rotate to be connected in the inner wall of smashing storehouse (1) and overturn on vertical face, and vibration subassembly (34) include two third motors (341) of installing in smashing storehouse (1) outside, and the output shaft of third motor (341) extends and overlaps along the horizontal direction and is equipped with cam (342), and two cam (342) are contradicted respectively in the lower surface of sieve (32) and the lower surface of stock guide (31).

6. The cement grinding device for the roller press as claimed in claim 5, wherein: the rotating shaft of the sieve plate (32) is positioned at the high end of the sieve plate (32), one cam (342) is positioned at the low end of the sieve plate (32), the rotating shaft of the material guide plate (31) is positioned at the high end of the material guide plate (31), and the other cam (342) is positioned at the low end of the material guide plate (31).

7. The cement grinding device for the roller press as claimed in claim 1, wherein: the side of the material baffle plate (35) facing the high end of the sieve plate (32) is provided with an inclined surface (351) used for guiding stones to the low end of the sieve plate (32).

8. The cement grinding device for the roller press as claimed in claim 1, wherein: the bottom of the crushing bin (1) is funnel-shaped.