Discharging assembly for dry powder screening

Abstract

The utility model discloses a blanking assembly for screening dry powder, which relates to the field of electronic components and comprises a screening box for screening dry powder, a driving motor, a vibration motor and a blanking funnel fixedly connected to the bottom of the screening box, and a screen is rotatably connected in the screening box. And by arranging the rotatable screen, the screen can be directly turned over after screening is completed, large-particle impurities located on the screen can directly and automatically fall down, and cleaning is convenient. A buffering mechanism is further arranged, so that the screening box is kept stable in the high-frequency vibration state, and pulling between the screening box and the support and pulling between the screening box and the base are weakened. The side barrier strips with the anti-collision rubber blocks and the magnetic strips are additionally arranged, it is ensured that the screen cloth is attached to the side barrier strips in the screening process, sealing is ensured, and collision is avoided in the overturning process of the screen cloth.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field, specifically to a kind of dry powder screening use unloading assembly. BACKGROUND

[0002] Some dry powder raw materials in agricultural fertilizer need to be screened before processing, some large particle impurities in dry powder raw materials are screened out, and the dry powder is processed after screening.

[0003] The most common screening method is to screen dry powder raw materials with a screen, dry powder falls through the screen, and large particle impurities are blocked by the screen and remain on the screen.

[0004] These large particle impurities remaining on the screen not only block the holes on the screen, affecting screening, but also easily get stuck on the screen, causing the problem of sticking to the screen, which is very troublesome to clean. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a dry powder screening unloading assembly to solve the technical problem of difficult cleaning of large particle impurities remaining on the screen when using a screen to screen dry powder.

[0006] To achieve the above purpose, the utility model provides a dry powder screening unloading assembly, which includes a screening box for screening dry powder, a screen is rotatably connected inside the screening box, and the assembly further includes:

[0007] A drive motor is used to drive the screen to flip back and forth, the center of the screen is provided with a shaft, and the screen rotates around the shaft, the drive motor is fixedly connected to the outer wall of the screening box, and the output shaft of the drive motor is fixedly connected to the shaft of the screen;

[0008] A vibration motor is used to keep the screening box and screen in a high-frequency vibration state, and the vibration motor is fixedly connected to the bottom of the screening box.

[0009] A discharge hopper is fixedly connected to the bottom of the screening box to discharge screened dry powder and waste.

[0010] Further, the screening box is connected to the base through a buffer mechanism, the buffer mechanism includes a connecting seat and a connecting column fixedly connected to the base and the screening box respectively, a vertical spring is further sleeved on the connecting column, and the upper and lower ends of the vertical spring are connected to the screening box and the connecting seat respectively.

[0011] Further, the connecting seat is internally provided with a vertical movable slot and a horizontal movable slot, the lower half of the connecting column is located in the vertical movable slot, the horizontal movable slot is internally provided with a sliding connecting ring and a plurality of horizontal springs, the sliding connecting ring is sleeved on the connecting column and is in sliding connection with the connecting column, and two ends of the horizontal springs are connected to the sliding connecting ring and the bottom of the horizontal movable slot respectively.

[0012] Further, the two side walls opposite to the rotating shaft at the center of the screen mesh are further fixedly connected with side blocking strips, one side of the side blocking strips is located above the screen mesh, and the other side of the side blocking strips is located below the screen mesh.

[0013] Further, the upper end face of the side blocking strip located above the screen mesh is provided with an anti-collision rubber block, and the lower end face of the side blocking strip is provided with a magnetic strip, the lower end face of the side blocking strip located below the screen mesh is provided with an anti-collision rubber block, and the upper end face of the side blocking strip is provided with a magnetic strip.

[0014] Further, the screen mesh side edges on the two sides of the screen mesh center rotating shaft are provided with metal edge coverings.

[0015] Further, the base comprises a support and a base, the support is fixedly connected to the base, the connecting seat is fixedly connected to the support, and the vibration motor and the discharging hopper are located on the inner side of the support.

[0016] The utility model discloses the advantages are as follows: 1, through setting rotatable screen mesh 102, after screening a batch of dry powder class raw materials, can directly overturn screen mesh 102, make the big particle impurity located on screen mesh 102 can directly automatically fall down, and it is convenient for cleaning.

[0017] 2, set up vibration motor 10 and make screening box 101 and screen mesh 102 keep high frequency vibration state, can accelerate screening speed and effect in the process of screening dry powder, and it is convenient for dry powder to pass through screen mesh 102 and fall down smoothly, and after screen mesh 102 overturns, can promote big particle impurity to fall down again, improve cleaning effect.

[0018] 3, set up buffer mechanism, make screening box 10 keep stable under high frequency vibration state, and weaken the pulling between screening box 10 and support 105 and base 10, improve the service life of equipment.

[0019] 4, set up side blocking strip 115 with anti-collision rubber block 116 and magnetic strip 118, ensure that screen mesh 102 and side blocking strip 115 are attached during screening, ensure sealing, and avoid bumping during screen mesh 102 overturning. DRAWINGS

[0020] In order to make the technical scheme of the utility model or the prior art clearer, the drawings needed in the embodiment or the prior art description will be briefly introduced below, obviously, the drawings in the following description are only the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0021] Figure 1 It is the overall structural principle schematic view of the utility model.

[0022] Figure 2 It is the structural principle schematic view of the lower perspective of the utility model.

[0023] Figure 3 It is the transverse sectional view of the utility model.

[0024] Figure 4 It is the longitudinal sectional view of the utility model.

[0025] Figure 5 It is the internal structure schematic view of the buffer mechanism in the utility model.

[0026] Figure 6 It is Figure 3 It is the enlarged view of A part in the utility model.

[0027] Marked as: 101, screening box, 102, screen, 103, discharging hopper, 104, vibration motor, 105, support, 106, base, 107, connecting seat, 108, connecting column, 109, vertical spring, 110, vertical movable slot, 111, horizontal movable slot, 112, sliding connection ring, 113, horizontal spring, 114, driving motor, 115, side baffle, 116, anti-collision rubber block, 117, metal edge, 118, magnetic stripe. Specific implementation

[0028] In order to make the technical scheme of the utility model or the prior art clearer, the drawings needed in the embodiment or the prior art description will be briefly introduced below, obviously, the drawings in the following description are only the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0029] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0030] The first aspect of this utility model is as follows: Figure 1 and Figure 2 As shown, the main body of this utility model is a screening box 101, and the main components for screening dry powder are a screen 102 installed in the screening box 101 and a vibrating motor 104 fixedly connected to the bottom of the screening box 101. The purpose of setting the vibrating motor 104 is to keep the screening box 101 and the screen 102 in a high-frequency vibration state, which can speed up the screening speed and effect during the screening of dry powder, and facilitate the dry powder to fall smoothly through the screen 102. After the screen 102 is flipped, it can also promote the falling of large particles of impurities and improve the cleaning effect.

[0031] The screening box 101 is connected to the base through a buffer mechanism. The base includes a support 105 and a base 106. The purpose of setting the buffer mechanism is to ensure that the screening box 101 remains stable under high-frequency vibration, while also reducing the tension between the screening box 101 and the support 105 and the base 106, thereby improving the service life of the equipment.

[0032] Specifically, such as Figure 5 As shown, the buffer mechanism includes a connecting seat 107 and a connecting column 108, which are respectively fixedly connected to the base and the screening box 101. A vertical spring 109 is also sleeved on the connecting column 108, and the upper and lower ends of the vertical spring 109 are respectively connected to the screening box 101 and the connecting seat 107. The bracket 105 is fixedly connected to the base 106, and the connecting seat 107 is fixedly connected to the bracket 105. The vibrating motor 104 and the feeding funnel 103 are both located inside the bracket 105.

[0033] In addition, the connecting seat 107 is provided with a vertical movable groove 110 and a horizontal movable groove 111. The lower half of the connecting column 108 is located in the vertical movable groove 110. The horizontal movable groove 111 is provided with a sliding connecting ring 112 and several horizontal springs 113. The sliding connecting ring 112 is sleeved on the connecting column 108 and slidably connected to it. The two ends of the horizontal springs 113 are respectively connected to the bottom of the sliding connecting ring 112 and the groove of the horizontal movable groove 111.

[0034] When the screening box 101 is in a high-frequency vibration state, if the vibration is in the vertical direction, the connecting column 108 will move up and down in the vertical movable groove 110 and slide up and down in the sliding connecting ring 112. During this process, the vertical spring 109 will play a role in vertical buffering. If the vibration is in the horizontal direction, the connecting column 108 will move horizontally in the vertical movable groove 110 and slide horizontally in the horizontal movable groove 111 with the sliding connecting ring 112. Since there are several horizontal springs 113 in the horizontal movable groove 111, these horizontal springs 113 will be stretched or compressed when the sliding connecting ring 112 moves, thus playing a role in horizontal buffering.

[0035] On the other hand, such as Figure 3 and Figure 4 As shown, a drive motor 114 is provided on the outer wall of the screening box 101. A rotating shaft is provided at the center of the drive screen 102, and the drive screen 102 rotates around the rotating shaft. The output shaft of the drive motor 114 is fixedly connected to the rotating shaft of the screen 102, and is used to drive the screen 102 to flip back and forth.

[0036] By using a vibrating motor 104 to maintain high-frequency vibration of the screening box 101 and the screen 102, the screening speed and efficiency of dry powder can be accelerated. However, after screening a batch of dry powder raw materials, large particles of impurities remain on the screen 102. Since the screen 102 is located in the screening box 101, cleaning these large particles is troublesome. Currently, some methods involve removing the large particles from the opening of the screening box 101, but this method is difficult to completely remove the large particles remaining on the screen, especially those stuck to the screen. Another method involves disassembling the screen 102 for cleaning, which, while effective, is too cumbersome.

[0037] In the device of this utility model, cleaning the screen 102 only requires starting the drive motor 114. The drive motor 114 flips the screen 102, so that large particles of impurities on the screen 102 can fall off directly and automatically. Even if some large particles of impurities stuck to the screen do not fall off by themselves, under the vibration of the vibrating motor 104, the screen 102 maintains a high-frequency vibration state, and it only takes a short period of time to shake off those large particles of impurities stuck to the screen.

[0038] On the other hand, such as Figure 3 , Figure 4 and Figure 5 As shown, side baffles 115 are fixedly connected to the two side walls of the screening box 101 opposite to the rotating shaft at the center of the drive screen 102. When the screen 102 is in the positive position for screening, one side baffle 115 is above the screen 102, and the other side baffle 115 is below the screen 102.

[0039] The side guard strip 115 located above the screen 102 has anti-collision rubber blocks 116 on its upper surface and magnetic strips 118 on its lower surface. The side guard strip 115 located below the screen 102 also has anti-collision rubber blocks 116 on its lower surface and magnetic strips 118 on its upper surface. Metal edging 117 is provided on the sides of the screen 102 on both sides of the central rotating shaft.

[0040] Therefore, before flipping, the metal edging 117 on the side of the screen 102 is attracted to the magnetic strips 118 on the two side baffles 115, ensuring that the seal is maintained even under vibration. When the screen 102 flips, it will abut against the anti-collision rubber blocks 116 on the two side baffles 115 to avoid collisions.

[0041] Before screening the dry powder, ensure that the screen 102 is in the correct position. Then, place or connect the material receiving bucket or material transport pipe of the subsequent processing equipment at the bottom of the material feeding funnel 103. Then, pour the dry powder raw material to be screened into the screening box 101 through the box opening of the screening box 101, so that the dry powder raw material falls onto the screen 102.

[0042] After the above preparations are completed, start the vibration motor 104. The vibration motor 104 keeps the screening box 101 and the screen 102 in a high-frequency vibration state. When the screening box 101 is in a high-frequency vibration state, if it is a vertical vibration, the connecting column 108 will move up and down in the vertical movable groove 110 and slide up and down in the sliding connecting ring 112. During this process, the vertical spring 109 will play a vertical buffering role. If it is a horizontal vibration, the connecting column 108 will move horizontally in the vertical movable groove 110 and the connecting column 108 will slide horizontally in the horizontal movable groove 111 with the sliding connecting ring 112. Since there are several horizontal springs 113 in the horizontal movable groove 111, these horizontal springs 113 will be stretched or compressed when the sliding connecting ring 112 moves, thus playing a horizontal buffering role.

[0043] And the screen 102 in high frequency vibration state, will soon be screened and dry powder dry powder material in the process of screening and shake off, shake off the dry powder is through the fixed connection in the bottom of the screening box 101 discharge hopper 103 flow into the subsequent processing equipment of the discharge transport pipe in subsequent processing equipment.

[0044] Wait until this batch of dry powder class of raw materials screening, at this time the screen 102 residual is some big particle impurities, the discharge hopper 103 bottom of the subsequent processing equipment of the discharge transport pipe is removed and replaced with a waste collection bucket or the same type of device, and then start the drive motor 114, the drive motor 114 turns the screen 102, so that the big particle impurities on the screen 102 can be directly automatic fall, some big particle impurities of sticky net even if not themselves fall, but under the vibration of the vibration motor 104, the screen 102 keeps high frequency vibration state, only a short time can be able to shake off those big particle impurities of sticky net, the waste is through the discharge hopper 103 flow into the waste collection bucket.

[0045] Based on the above, the utility model discloses a rotatable screen 102 is set up, can directly turn over the screen 102 after screening, so that the big particle impurities on the screen 102 can be directly automatic fall, it is convenient to clean up. In addition, the vibration motor 104 is set up and makes the screening box 101 and the screen 102 keep high frequency vibration state, can accelerate screening speed and effect in the process of screening dry powder, and can promote the big particle impurities to fall after the screen 102 is turned over, improves the cleaning effect. Still set up the buffer mechanism, makes the screening box 101 keep stable in high frequency vibration state, and the pulling between the screening box 101 and the support 105 and the base 106 is weakened. Extra set up the side baffle 115 of the anti-collision rubber block 116 and the magnetic stripe 118, ensures that the screen 102 and the side baffle 115 are attached in the screening process, ensures the sealing, and avoids the knock in the screen 102 turning process.

[0046] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the utility model includes only these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

[0047] The utility model is intended to cover all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dry powder screening and dosing assembly comprising a screening box (101) for screening dry powder, a screen (102) being rotatably connected inside the screening box (101), characterized in that, The assembly further comprises: a driving motor (114) for driving the screen (102) to flip back and forth, the center of the screen (102) is provided with a rotating shaft, and the screen (102) rotates around the rotating shaft, the driving motor (114) is fixedly connected to the outer side wall of the screening box (101), and the output shaft of the driving motor (114) is fixedly connected to the rotating shaft of the screen (102); a vibrating motor (104) for keeping the screening box (101) and the screen (102) in a high-frequency vibration state, the vibrating motor (104) is fixedly connected to the bottom of the screening box (101); a discharging hopper (103) fixedly connected to the bottom of the screening box (101), for discharging the screened dry powder and the screened waste materials.

2. The downer assembly for dry powder screening according to claim 1, characterized in that: The screening box (101) is connected to the base through a buffering mechanism, the buffering mechanism comprises a connecting seat (107) and a connecting column (108) fixedly connected to the base and the screening box (101) respectively, a vertical spring (109) is further sleeved on the connecting column (108), and the upper and lower ends of the vertical spring (109) are connected to the screening box (101) and the connecting seat (107) respectively.

3. The downer assembly for dry powder screening according to claim 2, characterized in that: A vertical movable groove (110) and a horizontal movable groove (111) are arranged in the connecting seat (107), the lower half of the connecting column (108) is located in the vertical movable groove (110), a sliding connecting ring (112) and a plurality of horizontal springs (113) are arranged in the horizontal movable groove (111), the sliding connecting ring (112) is sleeved on the connecting column (108) and is in sliding connection with the connecting column (108), and the two ends of the horizontal spring (113) are connected to the sliding connecting ring (112) and the groove bottom of the horizontal movable groove (111) respectively.

4. The downer assembly for dry powder screening according to claim 1, wherein: Side blocking strips (115) are further fixedly connected to the two side walls opposite to the rotating shaft at the center of the screen (102), one side of the side blocking strips (115) is located above the screen (102), and the other side of the side blocking strips (115) is located below the screen (102).

5. A downer assembly for dry powder screening according to claim 4, characterized in that: A bumper rubber block (116) is arranged on the upper end face of the side blocking strip (115) located above the screen (102), a magnetic strip (118) is arranged on the lower end face of the side blocking strip (115), a bumper rubber block (116) is arranged on the lower end face of the side blocking strip (115) located below the screen (102), and a magnetic strip (118) is arranged on the upper end face of the side blocking strip (115).

6. The downer assembly for dry powder screening according to claim 1 or 5, characterized in that: Metal edge coverings (117) are arranged on the side edges of the screen (102) on the two sides of the center rotating shaft of the screen (102).

7. The downer assembly for dry powder screening according to claim 2, wherein: The base comprises a support (105) and a base (106), the support (105) is fixedly connected to the base (106), the connecting seat (107) is fixedly connected to the support (105), and the vibrating motor (104) and the discharging hopper (103) are located inside the support (105).

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