Calcium powder screening device

Abstract

The calcium powder screening device relates to the technical field of screening devices and comprises a box body, a plurality of screening plates are arranged in the box body in the vertical direction, a screen is arranged in each screening plate, each screening plate is obliquely arranged, a plurality of openings are formed in the side wall, located at one end of the low side of the screening plate, of the box body, and the openings are communicated with the screen. Guide plates are fixedly arranged below the other sieve plates except the lowest sieve plate, the guide plates are obliquely arranged and can guide materials screened out by the sieve net to the position above one end of the high side of the lower sieve plate, a first baffle is fixedly arranged at one end of the high side of the sieve plate, and a second baffle is fixedly arranged on one side of the first baffle through a connecting rod; materials can be spread out through the gap below the second baffle, lump materials are prevented from moving to the screen to reduce the screening quality, materials larger than screen holes can flow towards the lower side end through the inclined screen plate, the materials are discharged in time, the retention time of the materials on the screen can be prolonged through the guide plate, and the screening quality is improved. And the materials are fully screened.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a calcium powder screening device. Background Art

[0002] Calcium powder, commonly known as limestone or stone powder, is mainly composed of calcium carbonate. When processing calcium powder, the raw ore needs to be crushed, then screened, large pieces of raw ore are removed, and then small particles of raw ore are ground to produce heavy calcium powder;

[0003] For example, in the utility model patent with the announcement number CN214416966U, a screening device for calcium powder production is disclosed, which includes a box body mechanism, a rolling mechanism is fixedly connected to the top of the box body mechanism, a vibration mechanism is overlapped inside the box body mechanism, a filtering mechanism is plugged inside the vibration mechanism, a material storage box is arranged inside the box body mechanism, and the box body mechanism includes a box body;

[0004] However, the utility model cannot discharge the material in time while ensuring the quality of grading and screening, and is not suitable for screening a large amount of calcium powder. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a calcium powder screening device to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a calcium powder screening device, including a box body, a plurality of sieve plates are arranged in the box body along the vertical direction, each of the sieve plates can slide along its length direction, each of the sieve plates is provided with a screen, the mesh number of the screen in the plurality of sieve plates gradually increases from top to bottom, and each of the sieve plates is inclined, a plurality of openings are opened on the side wall of the box body at one end of the low side of the sieve plate, one end of the sieve plate passes through the opening and is placed outside the box body, and a guide plate is fixedly arranged below the remaining sieve plates except the lowest sieve plate, the guide plate is inclined and can guide the material screened by the screen to the top of one end of the high side of the lower sieve plate, a baffle plate 1 is fixedly arranged at one end of the high side of the sieve plate, a baffle plate 2 is fixedly arranged on one side of the baffle plate 1 through a connecting rod, a gap is left between the baffle plate 2 and the sieve plate, and a driving component for driving the movement of the plurality of sieve plates is also provided in the box body.

[0007] Preferably, the driving assembly includes a rotating shaft, which is rotatably arranged in the box body, a connecting plate is fixedly arranged at one end of the higher part of each screen plate, an oblong hole is opened in the connecting plate, an eccentric shaft is fixedly arranged on the rotating shaft, the eccentric shaft is placed in the oblong hole, and a motor for driving the rotating shaft to rotate is fixedly arranged on the outside of the box body.

[0008] Preferably, a discharge hopper is fixedly provided on the box body and located on the outer side of each of the openings.

[0009] Preferably, a feed hopper is fixedly provided on the upper wall of the box body, and the bottom of the feed hopper is placed above the area between the uppermost baffle plate 1 and the baffle plate 2.

[0010] Preferably, protrusions are fixedly provided on both sides of the sieve plate, and the inner wall surface of the box body is provided with grooves, and the protrusions slide in the grooves.

[0011] Beneficial Effects

[0012] The utility model provides a calcium powder screening device, which has the following beneficial effects: before the material flows onto the screen, the material can be spread out through the gap under the baffle plate 2, so as to prevent the clumps of material from moving onto the screen and reducing the screening quality; the material larger than the screen holes will flow to the lower side end through the inclined screen plate, and then be discharged out of the box body through the opening and the discharge hopper, so as to realize timely discharge of the material; the residence time of the material on the screen can be increased by the guide plate, so that the material is fully screened, and part of the material is prevented from being discharged without being screened. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the main internal structure diagram of the utility model;

[0014] Figure 2 It is a top view of the connecting plate in the utility model;

[0015] Figure 3 It is a cross-sectional view of the connection between the screen plate and the box body in the utility model.

[0016] In the figure: 1. box body; 2. sieve plate; 3. opening; 4. sieve; 5. guide plate; 6. baffle 1; 7. connecting rod; 8. baffle 2; 9. rotating shaft; 10. eccentric shaft; 11. connecting plate; 12. oblong hole; 13. motor; 14. bump; 15. groove; 16. discharge hopper; 17. feed hopper. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] See also Figure 1-3The utility model provides a technical solution: a calcium powder screening device, including a box body 1, a plurality of sieve plates 2 are arranged in the vertical direction in the box body 1, each sieve plate 2 can slide along its length direction, a screen 4 is arranged in each sieve plate 2, materials can be screened through the screen 4 by the movement of the sieve plate 2, the mesh number of the screen 4 in the plurality of sieve plates 2 gradually increases from top to bottom, so as to realize graded screening, each sieve plate 2 is arranged inclined to facilitate material discharge, a plurality of openings 3 are opened on the side wall of the box body 1 at one end of the lower side of the sieve plate 2, one end of the sieve plate 2 is placed outside the box body 1 through the opening 3, and a guide plate 5 is fixedly arranged below the sieve plates 2 except for the lowest sieve plate 2, and the guide plate 5 is inclined The material screened out by the screen 4 can be guided to the upper side of one end of the high side of the lower screen plate 2. After the material is guided by the guide plate 5, the residence time of the material on the screen 4 can be increased, so that the material can be fully screened, and some materials can be prevented from being discharged without being screened. A baffle 1 6 is fixedly provided at one end of the high side of the screen plate 2, and a baffle 2 8 is fixedly provided on one side of the baffle 1 6 through a connecting rod 7. The baffle 1 6 and the baffle 2 8 form a hopper, which can collect the material before entering the screen 4. A gap is left between the baffle 2 8 and the screen plate 2. The collected material can be spread out through the gap to prevent the clumping material from moving to the screen 4 and reducing the screening quality. A driving component for driving the movement of multiple screen plates 2 is also provided in the box body 1.

[0019] As an embodiment of the utility model, the driving assembly includes a rotating shaft 9, which is rotatably arranged in the box body 1, and a connecting plate 11 is fixedly arranged at one end of the upper part of each sieve plate 2, and an oblong hole 12 is opened in the connecting plate 11. An eccentric shaft 10 is fixedly arranged on the rotating shaft 9, and the eccentric shaft 10 is placed in the oblong hole 12. A motor 13 for driving the rotating shaft 9 to rotate is fixedly arranged on the outside of the box body 1. When the rotating shaft 9 rotates, the sieve plate 2 can be repeatedly shaken through the cooperation of the eccentric shaft 10 and the connecting plate 11.

[0020] As an embodiment of the present invention, a discharge hopper 16 is fixedly provided on the box body 1 and located outside each opening 3 to receive the screened materials.

[0021] As an embodiment of the utility model, a feed hopper 17 is fixedly provided on the upper wall of the box body 1, and the bottom of the feed hopper 17 is placed above the area between the uppermost baffle 1 6 and the baffle 2 8.

[0022] As an embodiment of the utility model, protrusions 14 are fixedly provided on both sides of the sieve plate 2, and a groove 15 is provided on the inner wall surface of the box body 1. The protrusions 14 slide in the groove 15 to limit the moving trajectory of the sieve plate 2.

[0023] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0024] The working principle and use process of the utility model are as follows: when in use, the material is poured into the box body 1 through the feed hopper 17, and the multiple screen plates 2 can be reciprocated by starting the motor 13. Before the material flows to the screen 4, the material will be spread out through the gap under the baffle 2 8 to prevent the clumps of material from moving to the screen 4 and reducing the screening quality. The material larger than the screen hole will flow to the lower side end through the inclined screen plate 2, and then be discharged through the opening 3 and the discharge hopper 16. The material smaller than the screen hole will flow downward and be guided by the guide plate 5 to the high side end of the lower screen plate 2 for re-screening. The guide plate 5 can increase the residence time of the material on the screen 4, so that the material is fully screened, and prevent some material from being discharged without being screened.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A calcium powder screening device, characterized in that: The invention comprises a box body (1), wherein a plurality of sieve plates (2) are arranged in a vertical direction in the box body (1), each of the sieve plates (2) can slide along its length direction, each of the sieve plates (2) is provided with a sieve (4), the mesh size of the sieve (4) in the plurality of sieve plates (2) gradually increases from top to bottom, each of the sieve plates (2) is arranged obliquely, a plurality of openings (3) are opened on the side wall of the box body (1) at one end of the lower side of the sieve plate (2), one end of the sieve plate (2) passes through the opening (3) and is placed outside the box body (1), except for the bottommost sieve plate (2). A guide plate (5) is fixedly arranged below the sieve plate (2) except for the sieve plate (2). The guide plate (5) is inclined so as to guide the material sieved by the sieve (4) to the upper side of the sieve plate (2) below. A baffle plate 1 (6) is fixedly arranged at the upper side of the sieve plate (2). A baffle plate 2 (8) is fixedly arranged on one side of the baffle plate 1 (6) via a connecting rod (7). A gap is left between the baffle plate 2 (8) and the sieve plate (2). A driving component for driving the movement of the plurality of sieve plates (2) is also arranged in the box body (1).

2. A calcium powder screening device according to claim 1, characterized in that: The driving assembly comprises a rotating shaft (9), the rotating shaft (9) being rotatably arranged in the box body (1), a connecting plate (11) being fixedly arranged at one end at a higher position of each of the sieve plates (2), an oblong hole (12) being opened in the connecting plate (11), an eccentric shaft (10) being fixedly arranged on the rotating shaft (9), the eccentric shaft (10) being placed in the oblong hole (12), and a motor (13) for driving the rotating shaft (9) to rotate being fixedly arranged on the outer side of the box body (1).

3. A calcium powder screening device according to claim 1, characterized in that: A discharge hopper (16) is fixedly arranged on the box body (1) and located outside each of the openings (3).

4. A calcium powder screening device according to claim 1, characterized in that: A feed hopper (17) is fixedly arranged on the upper wall of the box body (1), and the bottom of the feed hopper (17) is placed above the area between the uppermost baffle plate 1 (6) and the uppermost baffle plate 2 (8).

5. A calcium powder screening device according to claim 1, characterized in that: Both sides of the sieve plate (2) are fixedly provided with protrusions (14), the inner wall surface of the box body (1) is provided with grooves (15), and the protrusions (14) slide in the grooves (15).

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