Pneumatic vibration type powder screening device

Abstract

The utility model discloses a pneumatic vibration type powder screening device, which belongs to the technical field of screening machines, and comprises a conical tank and a discharge port arranged at the bottom end of the conical tank, the top end of the conical tank is provided with a blanking pipe, the top end of the blanking pipe is provided with a first driving motor, and the top end of the first driving motor is provided with a second driving motor. A first shaft rod in transmission connection with the power output end of the first driving motor is installed on the inner side of the discharging pipe, a blade is installed at the bottom end of the first shaft rod, the side wall of the discharging pipe is connected with a feeding pipe in a communicating mode, and the first shaft rod is driven by a second driving motor to rotate at a high speed; the crushed powder falls onto the screen, the pneumatic vibrator works and slides in a manner that the guide column head is matched with the guide hole formed in the top end of the bracket under the elastic acting force of the spring, so that the conical tank vibrates, and the powder is screened; and caked powder can be effectively prevented from blocking the screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening machine more specifically, relate to a pneumatic vibration type powder screening device. BACKGROUND

[0002] In industrial production, industrial screening is used to screen, filter and dry the mixture by using the differences of different shapes, sizes, densities, electrical properties and surface characteristics of solid particles. The basic principle is to place the mixture on the sieve plate, separate the particles of different sizes through the pores on the sieve plate, and control the vibration on the sieve plate to achieve the purpose of separation.

[0003] The existing pneumatic vibration type screening machine hopper and screen mesh combined material screening device often appears the phenomenon of powder caking when screening powder. Once there is caking in the powder, it is easy to cause the screen mesh to be blocked during the screening process, and the caked powder also affects the screening. Therefore, manual shutdown is required for screen mesh dredging, which not only has high labor intensity and complex operation, but also seriously affects the screening efficiency of the whole material. Therefore, we propose a pneumatic vibration type powder screening device to solve the above problems. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a pneumatic vibration type powder screening device. The second drive motor drives the first shaft to rotate at high speed, so that the cutter is used to crush the caked powder. After crushing, the powder falls onto the screen mesh. Through the work of the pneumatic vibrator and the elastic force of the spring, the guide hole at the top of the guide column head cooperates with the support to slide, so that the conical tank vibrates and the powder is screened. The caked powder can effectively prevent the screen mesh from being blocked.

[0006] 2. Technical scheme

[0007] In order to solve the above problems, the utility model adopts the following technical scheme.

[0008] A pneumatic vibration type powder screening device, comprising a conical tank and a discharge port opened at the bottom end of the conical tank, the top end of the conical tank is provided with a discharge pipe, the top end of the discharge pipe is provided with a first drive motor, the inner side of the discharge pipe is provided with a first shaft which is in transmission connection with the power output end of the first drive motor, and the bottom end of the first shaft is provided with a cutter.

[0009] The side wall of the blanking pipe is in conductive connection with a feeding pipe, one end of the feeding pipe away from the blanking pipe is provided with a second driving motor, the inner side of the feeding pipe is provided with a second shaft rod in transmission connection with the power output end of the second driving motor, and the outer wall of the second shaft rod is welded with a spiral blade;

[0010] The top of the feeding pipe is in conductive connection with a hopper;

[0011] The side wall of the conical tank is fixedly connected with a lug, a plurality of lugs are arranged at the radial position of the conical tank, the end of the lug is welded with a guide column head, the outer side of the conical tank is provided with a support, the top end of the support is provided with a guide hole in sliding connection with the guide column head, the surface of the top end of the support close to the conical tank is fixedly connected with a carrier plate, and a spring is arranged between the carrier plate and the lug;

[0012] A pneumatic vibrator is arranged below the lug and mounted on the outer wall of the conical tank;

[0013] The inner side of the conical tank is provided with a screen.

[0014] Further, an access hole is arranged above the lug and formed in the side wall of the conical tank, and the access hole corresponds to the screen.

[0015] Further, a sealing door is hinged to the edge part of the access hole.

[0016] Further, a plurality of blades are arranged at the radial position of the first shaft rod, and a plurality of groups of blades are equidistantly arranged at the axial position of the first shaft rod.

[0017] Further, the outer diameter of the spiral blade is matched with the inner diameter of the feeding pipe.

[0018] Further, the bottom end of the spring is connected with the upper surface of the carrier plate, and the top end of the spring is connected with the lower surface of the lug.

[0019] Further, the guide hole is in a one-letter type structure, and the width of the guide hole is matched with the outer diameter of the guide column head.

[0020] 3. Beneficial effects

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] (1) The scheme, the powder to be screened is poured into the feeding pipe through the hopper, the second shaft rod is driven to rotate by the second driving motor, so that the powder is conveyed into the discharging pipe by the spiral blade, the first shaft rod is driven to rotate at high speed by the second driving motor, so that the caked powder is crushed by the blade, and the crushed powder falls onto the screen, and the conical tank is vibrated by the elastic force of the spring under the action of the pneumatic vibrator working and sliding through the guide hole arranged at the top of the guide column head and the support, so that the powder is screened, and the caked powder can be effectively prevented from blocking the mesh holes of the screen.

[0023] (2) The scheme, the powder intercepted on the screen is cleaned by the access hole by opening the sealing door, so that the intercepted powder can be conveniently collected and reused. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a side view schematic view of the conical tank of the utility model;

[0026] Figure 3 It is a schematic view of the conical tank A-A part of the utility model;

[0027] Figure 4 It is a sealing door opening schematic view of the utility model.

[0028] Mark explanation in drawing:

[0029] 1, conical tank; 2, discharge port; 3, discharging pipe; 4, first driving motor; 5, first shaft rod; 6, blade; 7, feeding pipe; 8, second driving motor; 9, second shaft rod; 10, spiral blade; 11, hopper; 12, protruding block; 13, guide column head; 14, support; 15, guide hole; 16, carrier plate; 17, spring; 18, pneumatic vibrator; 19, access hole; 20, sealing door; 21, screen. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Embodiment:

[0032] Please refer to Figures 1-4The utility model provides a kind of pneumatic vibration type powder screening device, including conical tank 1 and the discharge outlet 2 being opened in the bottom end of conical tank 1, the top end of conical tank 1 is installed with downcomer 3, the top end of downcomer 3 is installed with first drive motor 4, the inside of downcomer 3 is installed with the first shaft rod 5 of the power output end transmission connection of first drive motor 4, and the bottom end of first shaft rod 5 is installed with blade 6;

[0033] The side wall of downcomer 3 is connected with feeding pipe 7 in a conductive manner, the end of feeding pipe 7 away from downcomer 3 is installed with second drive motor 8, the inside of feeding pipe 7 is installed with second shaft rod 9 which is transmission connected with the power output end of second drive motor 8, and the outer wall of second shaft rod 9 is welded with spiral blade 10;

[0034] The top of feeding pipe 7 is connected with hopper 11 in a conductive manner;

[0035] The side wall of conical tank 1 is fixedly connected with lug 12, and a plurality of lug 12 are arranged at the radial position of conical tank 1, the end of lug 12 is welded with guide stud head 13, the outside of conical tank 1 is installed with support 14, the top end of support 14 is provided with guide hole 15 which is slidingly connected with guide stud head 13, the surface of support 14 top end close to conical tank 1 is fixedly connected with carrier plate 16, and spring 17 is installed between carrier plate 16 and lug 12;

[0036] Lug 12 is arranged below the outside wall of conical tank 1 and is provided with pneumatic vibrator 18;

[0037] The inside of conical tank 1 is installed with screen 21;

[0038] It should be noted that, when the pneumatic vibration type powder screening device is used, first drive motor 4, second drive motor 8 and pneumatic vibrator 18 are started at the same time, the powder to be screened is poured into feeding pipe 7 through hopper 11, second shaft rod 9 is driven to rotate by second drive motor 8, so that the powder is transported into downcomer 3 by spiral blade 10, first shaft rod 5 is driven to rotate at high speed by second drive motor 8, so that the caked powder is crushed by blade 6, the crushed powder falls onto screen 21, the conical tank 1 is vibrated by the cooperation of guide stud head 13 and guide hole 15 arranged at the top end of support 14 under the elastic force of spring 17, and the powder is screened, which can effectively prevent the caked powder from blocking the mesh of screen 21, and the screened powder is finally discharged through discharge outlet 2.

[0039] As shown in Figure 4 The top of lug 12 is provided with access hole 19 which is opened in the side wall of conical tank 1, and access hole 19 corresponds to screen 21, and sealing door 20 is hinged to the edge part of access hole 19, and sealing door 20 is closed by lock catch;

[0040] It should be noted that by opening the sealing door 20, the powder trapped on the screen 21 can be cleaned through the inspection port 19, making it convenient to collect and reuse the trapped powder.

[0041] like Figure 1 As shown, multiple blades 6 are arranged in the radial position of the first shaft 5, and multiple sets of blades 6 are arranged at equal intervals in the axial position of the first shaft 5.

[0042] It should be noted that setting multiple sets of blades 6 can effectively improve the crushing effect of the material.

[0043] like Figure 3 As shown, the outer diameter of the spiral blade 10 is matched with the inner diameter of the feed pipe 7;

[0044] It should be noted that the spiral blades 10 facilitate the conveying of powder materials entering the inner side of the feed pipe 7.

[0045] like Figure 1 , Figure 4 As shown, the bottom end of the spring 17 is connected to the upper surface of the carrier plate 16, and the top end of the spring 17 is connected to the lower surface of the protrusion 12. The guide hole 15 is arranged in a straight line, and the width of the guide hole 15 is adapted to the outer diameter of the guide post head 13.

[0046] It should be noted that the pneumatic vibrator 18 operates and, under the elastic force of the spring 17, slides through the guide column head 13 in conjunction with the guide hole 15 set at the top of the bracket 14, thereby causing the conical tank 1 to vibrate and screen the powder.

[0047] In use: Simultaneously turn on the first drive motor 4, the second drive motor 8, and the pneumatic vibrator 18. Powder to be screened is poured into the feeding pipe 7 through the hopper 11. The second drive motor 8 drives the second shaft 9 to rotate, thereby using the spiral blades 10 to distribute and convey the material into the discharge pipe 3. The second drive motor 8 drives the first shaft 5 to rotate at high speed, thereby using the blades 6 to crush the clumps of powder. The crushed powder falls onto the screen 21. The pneumatic vibrator 18 works and, under the elastic force of the spring 17, slides through the guide column head 13 in conjunction with the guide hole 15 at the top of the bracket 14, thereby causing the conical tank 1 to vibrate and screen the powder. This effectively prevents clumps of powder from clogging the mesh of the screen 21. The screened powder is finally discharged through the discharge port 2.

[0048] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A pneumatic vibration powder screening device, comprising a conical tank (1) and a discharge port (2) opened at the bottom end of the conical tank (1), characterized in that: The top of the conical tank (1) is equipped with a feeding pipe (3), the top of the feeding pipe (3) is equipped with a first drive motor (4), the inner side of the feeding pipe (3) is equipped with a first shaft (5) that is connected to the power output end of the first drive motor (4), and the bottom end of the first shaft (5) is equipped with a blade (6). The side wall of the feeding pipe (3) is connected to the feeding pipe (7). A second drive motor (8) is installed at the end of the feeding pipe (7) away from the feeding pipe (3). A second shaft (9) is installed on the inner side of the feeding pipe (7) and is connected to the power output end of the second drive motor (8). A spiral blade (10) is welded on the outer wall of the second shaft (9). The top of the feeding pipe (7) is connected to a hopper (11). The conical tank (1) has a protrusion (12) fixedly connected to its side wall, and multiple protrusions (12) are arranged in the radial position of the conical tank (1). The end of the protrusion (12) is welded with a guide post (13). A bracket (14) is installed on the outside of the conical tank (1). The top of the bracket (14) is provided with a guide hole (15) that is slidably connected to the guide post (13). A carrier plate (16) is fixedly connected to the top of the bracket (14) near the surface of the conical tank (1). A spring (17) is installed between the carrier plate (16) and the protrusion (12). Below the protrusion (12) is a pneumatic vibrator (18) installed on the outer wall of the conical tank (1). A screen (21) is installed on the inside of the conical tank (1).

2. The pneumatic vibration powder screening device according to claim 1, characterized in that: An inspection port (19) is provided above the protrusion (12) on the side wall of the conical tank (1), and the inspection port (19) corresponds to the screen (21).

3. The pneumatic vibration powder screening device according to claim 2, characterized in that: The edge of the inspection port (19) is hinged with a sealing door (20).

4. The pneumatic vibration powder screening device according to claim 1, characterized in that: Multiple blades (6) are provided in the radial position of the first shaft (5), and multiple sets of blades (6) are provided at equal intervals in the axial position of the first shaft (5).

5. The pneumatic vibration powder screening device according to claim 1, characterized in that: The outer diameter of the spiral blade (10) is adapted to the inner diameter of the feed pipe (7).

6. The pneumatic vibration powder screening device according to claim 1, characterized in that: The bottom end of the spring (17) is connected to the upper surface of the carrier plate (16), and the top end of the spring (17) is connected to the lower surface of the protrusion (12).

7. The pneumatic vibration powder screening device according to claim 1, characterized in that: The guide hole (15) is arranged in a straight line, and the width of the guide hole (15) is adapted to the outer diameter of the guide head (13).

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