CN220004830U

CN220004830U - Cement sieving mechanism

Info

Publication number: CN220004830U
Application number: CN202321009643.3U
Authority: CN
Inventors: 刘红光; 张威; 刘帅
Original assignee: Zibo Luzhong Cement Co ltd
Current assignee: Zibo Luzhong Cement Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-14
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a cement screening device, which relates to the technical field of cement production and comprises a screen box, wherein limit cylinders are arranged on two sides of the screen box, a screen plate is hinged to the lower portion of the front side of the screen box, side baffles are arranged on two sides of the screen plate, a lug is arranged on one side face of one end of each side baffle, a first hydraulic cylinder is arranged on the lower portion of each limit cylinder, an output shaft of each first hydraulic cylinder is hinged to an adjusting rod, and the other end of each adjusting rod is hinged to the upper portion of each lug. This cement sieving mechanism, cement screening finishes the back, under the work of first pneumatic cylinder, can open the screen cloth slab band, make the automatic discharge of impurity on the screen cloth, need not the manual work and clear up, continue to carry out screening work again to cement after finishing discharging, improved work efficiency, still reduced artificial working strength simultaneously, at the in-process to cement screening, can be automatic give the screen box sealed, prevent at the in-process of screening, the position of feed inlet takes place a large amount of raise dust condition.

Description

Cement sieving mechanism

Technical Field

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

Background

Cement is an indispensable material for construction, and is a powdery hydraulic inorganic cementing material. The cement is added with water and stirred to form slurry, can be hardened in air or better hardened in water, can firmly bond sand, stone and other materials together, and the cement can contain a lot of granular impurities in production, so that the cement needs to be screened.

The utility model of China patent publication No. CN215141894U discloses a building cement mortar screening device, which comprises a metal bottom plate and a conical discharging bin, wherein the conical discharging bin is fixedly arranged on the middle position inside the metal bottom plate, the outer side of the conical discharging bin is provided with fixing support legs at the corner of the metal bottom plate, the upper end of the conical discharging bin is provided with a back-shaped surface frame, the lower sides of the two ends of the back-shaped surface frame are provided with small-sized jars, the building cement mortar screening device screens cement mortar materials effectively through the inner area of the back-shaped surface frame, the size of the back-shaped surface frame is thirty centimeters larger than that of the original screening frame, so that the screening is more efficient during screening, and the large materials are effectively screened to the side of the back-shaped surface frame through shaking screening, so that the later centralized processing is convenient, and during screening, the back-shaped surface frame passes through an inner screening net, so that the mesh size is effectively adjusted according to the requirement, and the screening is convenient.

But this sieving mechanism is after the screening, and the impurity can stay on the filter screen, needs the manual work to give the clearance this moment with the impurity, can increase artificial working strength, and the in-process of screening, the position of feed inlet can produce a large amount of raise dust.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a cement screening device, which solves the problem that the traditional cement screening device is inconvenient to clean impurities after screening.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a cement sieving mechanism, includes the screen box, the both sides of screen box all are provided with spacing section of thick bamboo, and the front side lower part of screen box articulates there is the screen plate, and the both sides of screen plate all are provided with the side shield, and the one end side of side shield is provided with the lug, first pneumatic cylinder is installed to the lower part of spacing section of thick bamboo, and the output shaft of first pneumatic cylinder articulates there is the regulation pole, and the other end of regulation pole articulates in the upper portion of lug.

As a further scheme of the utility model: when the screen plate rotates to be attached to the bottom of the screen box, the side baffles on two sides of the screen plate are attached to two sides of the screen box respectively.

As a further scheme of the utility model: the cement screening device further comprises a screening adjusting piece, the screening adjusting piece comprises a supporting foot plate, a limiting plate is arranged on the upper portion of the supporting foot plate, protruding blocks are arranged on two sides of the limiting plate, one sides of the two protruding blocks are connected with guide shafts, and the guide shafts slide through the inside of the limiting cylinder.

As a further scheme of the utility model: the front of the limiting plate is provided with a second hydraulic cylinder, and an output shaft of the second hydraulic cylinder is connected with the front side of the screen box.

As a further scheme of the utility model: the sealing cover piece comprises a cover plate which slides through one side above the screen box, a rack is arranged on the upper portion of the cover plate, a servo motor is arranged on the upper portion of one side of the screen box, an output shaft of the servo motor is connected with a gear, and the gear is meshed with the rack.

As a further scheme of the utility model: the upper part of one side of the screen box is provided with a guide groove matched with the rack, and the rack slides through the inside of the guide groove.

The utility model provides a cement screening device, which has the following beneficial effects compared with the prior art:

1. this cement sieving mechanism, cement screening finishes the back, under the work of first pneumatic cylinder, can open screen cloth slab band, makes the automatic discharge of impurity on the screen cloth, need not the manual work and clears up, continues to carry out the screening work again to cement after the discharge finishes, has improved work efficiency, has still reduced artificial working strength simultaneously.

2. This cement sieving mechanism, at the in-process to cement screening, can be automatic give the screen box sealed, prevent at the in-process of screening that a large amount of raise dust condition from taking place for the position of feed inlet.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of a screen plate according to the present utility model;

fig. 3 is a schematic structural view of the closure member of the present utility model.

In the figure: 1. a screen box; 2. a limiting cylinder; 3. a screen plate; 4. side baffles; 5. a bump; 6. a first hydraulic cylinder; 7. an adjusting rod; 8. screening the adjusting piece; 81. foot supporting plates; 82. a limiting plate; 83. a protruding block; 84. a guide shaft; 85. a second hydraulic cylinder; 9. a cover member; 91. a cover plate; 92. a rack; 93. a servo motor; 94. a gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides two technical schemes:

example 1

Referring to fig. 1-2, in an embodiment of the present utility model, a cement screening apparatus includes a screen box 1, limiting cylinders 2 are disposed on two sides of the screen box 1, a screen plate 3 is hinged to a lower portion of a front side of the screen box 1, side baffles 4 are disposed on two sides of the screen plate 3, a bump 5 is disposed on a side surface of one end of the side baffle 4, a first hydraulic cylinder 6 is mounted on a lower portion of the limiting cylinder 2, an output shaft of the first hydraulic cylinder 6 is hinged to an adjusting rod 7, the other end of the adjusting rod 7 is hinged to an upper portion of the bump 5, after cement screening is completed, the first hydraulic cylinder 6 drives the adjusting rod 7 to move, the adjusting rod 7 can enable the screen plate 3 to rotate downwards, so that the screen plate 3 is in an inclined state, cement impurities on the screen plate 3 can slide down, and slag discharging work is automatically completed.

Referring to fig. 1, in the embodiment of the present utility model, when the screen plate 3 is rotationally attached to the bottom of the screen box 1, the side baffles 4 on two sides of the screen plate 3 are attached to two sides of the screen box 1 respectively, and when the screen plate 3 is in an inclined state, the cement impurities can be prevented from being discharged from two sides of the screen plate 3 under the blocking of the two side baffles 4, so that the impurities are ensured to be discharged in one direction.

Referring to fig. 1, in the embodiment of the utility model, the cement screening device further includes a screening adjusting member 8, the screening adjusting member 8 includes a foot supporting plate 81, a limiting plate 82 is disposed at an upper portion of the foot supporting plate 81, protruding blocks 83 are disposed at two sides of the limiting plate 82, one side of each protruding block 83 is connected with a guide shaft 84, the guide shafts 84 slide through an inner portion of the limiting cylinder 2, a second hydraulic cylinder 85 is mounted on a front face of the limiting plate 82, an output shaft of the second hydraulic cylinder 85 is connected with a front side of the screen box 1, cement is poured into the screen box 1, the cement falls onto the screen plate 3, then the second hydraulic cylinder 85 drives the screen box 1 to move back and forth, so that the screen plate 3 performs screening work on the cement, and when the screen box 1 moves, the limiting cylinder 2 on the screen box 1 slides on the guide shafts 84, thereby playing a role of limiting and guiding the screen box 1.

The second embodiment is different from the first embodiment in that:

referring to fig. 3, in the embodiment of the present utility model, the cover 9 includes a cover plate 91 sliding through one side above the screen box 1, a rack 92 is disposed on the upper portion of the cover plate 91, a servo motor 93 is installed on one side upper portion of the screen box 1, an output shaft of the servo motor 93 is connected with a gear 94, the gear 94 is meshed with the rack 92, after cement is poured into the screen box 1, the servo motor 93 drives the gear 94 to rotate, the gear 94 drives the rack 92 meshed with the gear 94 to move, the rack 92 drives the cover plate 91 to move, and the cover plate 91 seals the upper opening of the screen box 1, so that dust raising cannot occur at the upper opening of the screen box 1 during screening.

Referring to fig. 1 and 3, in the embodiment of the present utility model, a guide groove adapted to the rack 92 is provided at an upper portion of one side of the screen box 1, the rack 92 slides through the inside of the guide groove, the rack 92 is convenient for the rack 92 to drive the cover plate 91 to move, the length of the cover plate 91 is equal to the inner length of the screen box 1, and the width of the cover plate 91 is greater than the inner width of the screen box 1, so that the cover plate 91 can completely cover the inner portion of the screen box 1.

Working principle: pouring cement into the screen box 1, wherein the cement falls onto the screen plate 3, and then the second hydraulic cylinder 85 drives the screen box 1 to move back and forth, so that the screen plate 3 screens the cement;

after cement is poured into the screen box 1, the servo motor 93 drives the gear 94 to rotate, the gear 94 drives the racks 92 meshed with the gear 94 to move, the racks 92 drive the cover plate 91 to move, the cover plate 91 seals the upper opening of the screen box 1, and therefore dust can not be raised at the upper opening of the screen box 1 during screening;

after the cement is screened, the first hydraulic cylinder 6 drives the adjusting rod 7 to move, the adjusting rod 7 can enable the screen plate 3 to rotate downwards, the screen plate 3 is in an inclined state, cement impurities on the screen plate 3 can slide down, and slag discharging work is automatically completed.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims

1. Cement sieving mechanism, including sieve case (1), its characterized in that: the utility model discloses a screen box, including screen box (1), first pneumatic cylinder (6) are installed to the both sides of screen box (1), and the front side lower part of screen box (1) articulates there is screen plate (3), and the both sides of screen plate (3) all are provided with side shield (4), and one end side of side shield (4) is provided with lug (5), first pneumatic cylinder (6) are installed to the lower part of spacing section of thick bamboo (2), and the output shaft of first pneumatic cylinder (6) articulates there is regulation pole (7), and the other end of regulation pole (7) articulates in the upper portion of lug (5).

2. A cement screening apparatus according to claim 1, wherein: when the screen plate (3) is rotationally attached to the bottom of the screen box (1), side baffles (4) on two sides of the screen plate (3) are respectively attached to two sides of the screen box (1).

3. A cement screening apparatus according to claim 1, wherein: the cement screening device further comprises a screening adjusting piece (8), the screening adjusting piece (8) comprises a supporting foot plate (81), a limiting plate (82) is arranged on the upper portion of the supporting foot plate (81), protruding blocks (83) are arranged on two sides of the limiting plate (82), one sides of the two protruding blocks (83) are connected with guide shafts (84), and the guide shafts (84) slide through the inside of the limiting cylinder (2).

4. A cement screening apparatus according to claim 3, wherein: the front of the limiting plate (82) is provided with a second hydraulic cylinder (85), and an output shaft of the second hydraulic cylinder (85) is connected with the front side of the screen box (1).

5. A cement screening apparatus according to claim 1, wherein: the sealing cover piece (9) comprises a cover plate (91) which slides through one side above the screen box (1), a rack (92) is arranged on the upper portion of the cover plate (91), a servo motor (93) is arranged on the upper portion of one side of the screen box (1), a gear (94) is connected with an output shaft of the servo motor (93), and the gear (94) is meshed with the rack (92).

6. A cement screening apparatus according to claim 5, wherein: the upper part of one side of the screen box (1) is provided with a guide groove matched with the rack (92), and the rack (92) slides through the inside of the guide groove.