Iron scale screening equipment

Abstract

The utility model discloses iron and phosphorus screening equipment, and belongs to the technical field of screening equipment, the iron and phosphorus screening equipment comprises a first screening box, a second screening box and a third screening box, the second screening box and the third screening box are sequentially arranged at the bottom of the first screening box, a first screening net is arranged at the bottom of the first screening box, and a sealing cover is hinged to the top of the first screening box; a second screening net is arranged at the bottom of the second screening box, a screening opening of the second screening net is smaller than a screening opening of the first screening net, a vibration motor is arranged at the bottom of the third screening box, a bearing base is arranged at the bottom of the third screening box, and a plurality of first positioning blocks are evenly arranged at the bottom of the third screening box in the circumferential direction. A plurality of second positioning blocks are arranged on the bearing base, the first positioning blocks correspond to the second positioning blocks in a one-to-one mode, and reset springs are arranged on the first positioning blocks and the second positioning blocks. The iron scale screening equipment has the effect that the defects of traditional iron scale screening equipment in the aspects of screening efficiency and screening precision are overcome.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of screening equipment technology, in particular to an iron scale screening equipment. BACKGROUND

[0002] In the field of iron scale production, the screening link is a key step to ensure product quality, and its purpose is to accurately classify iron scales according to particle size. With the continuous development of science and technology, iron scale screening technology is also continuously improving to meet the growing market demand for high efficiency and high precision screening. However, the traditional screening equipment widely used at present still has many challenges in actual operation.

[0003] Traditional iron scale screening mainly relies on a vibrating screen to achieve. The device is driven by a vibrating motor to vibrate the screen, so that the iron scale moves on the screen and completes the screening process. However, this method has exposed problems such as easy clogging of the screen, low screening efficiency, and low screening accuracy in long-term use. The clogging of the screen not only affects the screening efficiency, but also increases the maintenance cost of the equipment; and the difficulty in accurately controlling the amplitude and frequency directly leads to the decrease of the screening accuracy, thereby affecting the overall quality of the product.

[0004] Therefore, how to effectively solve the problems of traditional iron scale screening equipment in screening efficiency and screening accuracy has become an important topic in the field of iron scale screening technology that needs to be solved urgently. CONTENT OF THE INVENTION

[0005] In order to solve the deficiencies of traditional iron scale screening equipment in screening efficiency and screening accuracy, the present application provides an iron scale screening equipment.

[0006] The iron scale screening equipment provided by the present application adopts the following technical scheme:

[0007] An iron scale screening equipment, comprising a first screening box, a second screening box and a third screening box arranged in sequence at the bottom of the first screening box, a first screening net arranged at the bottom of the first screening box, a closing cover hinged at the top of the first screening box, an inlet arranged on the closing cover, a first fixing assembly arranged on the first screening box for fixing the closing cover, a second screening net arranged at the bottom of the second screening box, the screening opening of the second screening net being smaller than the screening opening of the first screening net, a second fixing assembly arranged on both sides of the third screening box for fixing the second screening box and the first screening box, a vibrating motor arranged at the bottom of the third screening box, a receiving base arranged at the bottom of the third screening box, a plurality of first positioning blocks arranged uniformly around the circumferential direction of the third screening box, a plurality of second positioning blocks arranged on the receiving base, the first positioning blocks corresponding one-to-one to the second positioning blocks, and a reset spring arranged on the first positioning blocks and the second positioning blocks.

[0008] By adopting the technical scheme, the operator first fixes the closing cover on the first screening box by using the first fixing assembly, then fixes the first screening box, the second screening box and the third screening box in sequence by using the second fixing assembly, then pours the iron scale to be screened into the screening device from the feeding port on the closing cover, and starts the vibration motor, so that the vibration motor drives the whole device to vibrate. Under the action of vibration, the iron scale moves and is screened on the first screening screen. The iron scale particles meeting the screen aperture fall into the lower screening area through the screen, and the ones not meeting the screen aperture remain on the upper layer. Finally, the screened iron scale can be obtained in the first screening box, the second screening box and the third screening box. During the vibration process, the plurality of reset springs between the receiving base and the third screening box can provide elastic reset capability for the device, improve the stability of the device, and the first positioning block and the second positioning block can reinforce the stability of the reset spring and the device.

[0009] Preferably, the first fixing assembly comprises a connecting lug fixedly connected to the first screening box, a fixing lug fixedly connected to the closing cover, a fixing bolt penetrating the connecting lug and the fixing lug, and a fixing nut threadedly connected to the fixing bolt, one end of the fixing nut abutting against the bottom surface of the connecting lug.

[0010] By adopting the technical scheme, the closing cover is changed to be arranged on the top of the first screening box, at this time, the connecting lug abuts against the fixing lug, and the operator fixes the closing cover on the top of the first screening box by using the fixing bolt and the fixing nut.

[0011] Preferably, a rubber sealing ring is arranged below the closing cover and fixedly connected to the closing cover.

[0012] By adopting the technical scheme, the arrangement of the rubber sealing ring increases the friction force between the closing cover and the top of the first screening box, strengthens the air tightness, and further strengthens the stability of the closing cover.

[0013] Preferably, the second fixing assembly comprises a plug-in block fixedly connected to the two sides of the first screening box and the second screening box, a fixing block fixedly connected to the second screening box and the third screening box, a connecting block slidingly penetrating the inside of the fixing block, and a fixing spring fixedly connected to the connecting block, an inclined surface is arranged on the end face of the plug-in block close to the connecting block, an inclined surface is arranged on the end face of the connecting block close to the plug-in block, a first plug-in groove for plug-in cooperation of the plug-in rod is arranged in the fixing block, a first sliding groove for sliding cooperation of the connecting block is arranged in the fixing block, a second plug-in groove for plug-in cooperation of the connecting block is arranged in the plug-in block, and an unlocking assembly for unlocking the plug-in block is arranged on the fixing block.

[0014] By adopting the technical scheme, the operator first places the second screening box on the third screening box, at this time, the plug-in blocks on both sides of the second screening box enter the first plug-in slots, the operator continues to lower the second screening box, the inclined surface of the plug-in block cooperates with the inclined surface of the fixing block, the connecting block moves in the first sliding slot under the action of the plug-in block, at this time, the fixed spring is in a compressed state, when the bottom surface of the second screening box abuts against the top surface of the third screening box, the plug-in block completely enters the first plug-in slot, the connecting block matches the second plug-in slot on the plug-in block, the connecting block pops out and is inserted into the second plug-in slot under the action of the fixed spring, at this time, the fixing of the second screening box is completed. The operator fixes the first screening box on the top of the second screening box again according to the above process.

[0015] Preferably, the unlocking assembly comprises a connecting rod arranged on the connecting block and a pull plate fixedly connected to the connecting rod, one end of the connecting rod is fixedly connected to the connecting block, and the other end of the connecting rod penetrates out of the fixing block.

[0016] By adopting the technical scheme, the operator pulls the pull plate, the pull plate moves to drive the connecting block to move in the first sliding slot, at this time, the fixed spring is in a compressed state, when the connecting block completely separates from the second plug-in slot, the first screening box can be taken down. The operator takes down the second screening box again according to the above process.

[0017] Preferably, the first screening box and the bottom of the second screening box are both provided with a positioning ring, and the top of the second screening box and the third screening box is provided with a corresponding positioning ring groove.

[0018] By adopting the technical scheme, when the second screening box and the first screening box are fixedly installed, the positioning ring and the positioning ring groove can play a guiding and positioning role, which facilitates the operator to install and fix the first screening box and the second screening box.

[0019] Preferably, a ring magnet is arranged in the positioning ring groove, and the ring magnet cooperates with the positioning ring.

[0020] By adopting the technical scheme, in the installation process of the second screening box and the first screening box, the ring magnet can assist the operator to fix and install, which helps to improve the stability of the whole equipment.

[0021] Preferably, a vibration exciter is arranged on the outer wall of each of the first screening box, the second screening box and the third screening box, and the vibration exciter is provided with a high-precision control system.

[0022] By adopting the technical scheme, the vibration exciter is installed on one side of the screening box, and the high-precision control system ensures that the amplitude and frequency of each layer of screening mesh are accurately controlled, thereby improving the screening precision.

[0023] To sum up, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The operator first fixes the closure cover on the first screening box with the first fixing assembly, and then fixes the first screening box, the second screening box and the third screening box in turn with the second fixing assembly, and then pours the iron scale to be screened into the screening device from the feeding port on the closure cover, and starts the vibration motor, which drives the whole device to vibrate. Under the action of vibration, the iron scale moves and is screened on the first screening screen. The iron scale particles meeting the screen aperture fall into the lower screening area through the screen, and those not meeting the screen aperture remain on the upper layer. Finally, the screened iron scale can be obtained in the first screening box, the second screening box and the third screening box. During the vibration process, the elastic reset capability of the device is provided by the plurality of reset springs between the receiving base and the third screening box, and the stability of the device is improved, and the stability of the reset spring and the device is reinforced by the first positioning block and the second positioning block;

[0025] 2. The operator first places the second screening box on the third screening box, at this time the plug-in blocks on both sides of the second screening box enter the first plug-in slots, the operator continues to place the second screening box, the inclined surface of the plug-in block cooperates with the inclined surface of the fixed block, the connecting block moves in the first sliding slot under the action of the plug-in block, at this time the fixed spring is in a compressed state, when the bottom surface of the second screening box abuts against the top surface of the third screening box, the plug-in block completely enters the first plug-in slot, the connecting block matches the second plug-in slot on the plug-in block, the connecting block pops out and is inserted into the second plug-in slot under the action of the fixed spring, at this time the fixing of the second screening box is completed. The operator fixes the first screening box on the top of the second screening box again according to the above process;

[0026] 3. The operator pulls the pull plate, the pull plate moves to drive the connecting block to move in the first sliding slot, at this time the fixed spring is in a compressed state, when the connecting block completely separates from the second plug-in slot, the first screening box can be taken down. The operator takes down the second screening box again according to the above process. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a structural schematic diagram of an iron scale screening device according to an embodiment of the present application.

[0028] Figure 2 is a structural schematic diagram of an iron scale screening device according to an embodiment of the present application.

[0029] Figure 3 is Figure 2 is an enlarged schematic diagram of position A in FIG. 6.

[0030] Figure 4 is Figure 2 is an enlarged schematic diagram of position B in FIG. 6.

[0031] REFERENCE NUMERALS:

[0032] 1, the first screening box; 11, the first screening net; 12, the closure cover; 121, the rubber sealing ring; 13, the feed inlet; 2, the second screening box; 21, the second screening net; 3, the third screening box; 31, the vibration motor; 32, the receiving base; 321, the second positioning block; 33, the first positioning block; 34, the return spring; 4, the first fixing assembly; 41, the connecting lug; 42, the fixing lug; 43, the fixing bolt; 44, the fixing nut; 5, the second fixing assembly; 51, the insertion block; 511, the second insertion slot; 52, the fixing block; 521, the first insertion slot; 522, the first sliding slot; 53, the connecting block; 54, the fixing spring; 6, the unlocking assembly; 61, the connecting rod; 62, the pull plate; 7, the positioning ring; 71, the positioning ring slot; 72, the ring magnet; 8, the exciter. DETAILED DESCRIPTION

[0033] The following will be described in detail with reference to the accompanying drawings Figures 1-4 The present application is further described in detail.

[0034] The present application discloses a scale screening device. Referring to Figure 1 A scale screening device includes a first screening box 1, which is in the shape of a circular barrel and is vertically arranged. A closure cover 12 is hingedly connected to the first screening box 1. The closure cover 12 is provided with a feed inlet 13, which is in the shape of a trumpet and is vertically arranged. The feed inlet 13 is fixedly connected to the closure cover 12. The first screening box 1 is provided at the bottom with a second screening box 2, which is in the shape of a circular barrel and is vertically arranged. The second screening box 2 is provided at the bottom with a third screening box 3, which is in the shape of a circular barrel and is vertically arranged.

[0035] Referring to Figure 1 The third screening box 3 is provided at the bottom with a vibration motor 31, which is vertically arranged and fixedly connected to the third screening box 3. The third screening box 3 is provided below with a receiving base 32, which is vertically arranged. The third screening box 3 is uniformly provided around the circumferential direction at the bottom with a plurality of first positioning blocks 33, which are in the shape of circular columns and are vertically arranged. The first positioning blocks 33 are fixedly connected to the third screening box 3. The receiving base 32 is provided with a plurality of second positioning blocks 321, which are in the shape of circular columns and are vertically arranged. The second positioning blocks 321 are fixedly connected to the receiving base 32 and correspond to the first positioning blocks 33 in one-to-one correspondence. The first positioning blocks 33 and the second positioning blocks 321 are provided with return springs 34, which are vertically arranged. One end of each return spring 34 is fixedly connected to a first positioning block 33, and the other end is fixedly connected to a second positioning block 321.

[0036] During the vibration of the device, the reset spring 34 can provide elastic reset capability for the device, improve the overall stability of the device, and the first positioning block 33 and the second positioning block 321 also make the reset spring 34 more stable, and reinforce the stability of the reset spring 34 and the device.

[0037] With reference to Figure 1 , the first screening box 1, the second screening box 2 and the third screening box 3 are provided with the exciter 8 outside the wall, the exciter 8 is vertically arranged, and the exciter 8 is fixedly connected to the first screening box 1, the second screening box 2 and the third screening box 3. The exciter 8 controlled by the high-precision control system can ensure that the amplitude and frequency of the screening net of each layer can be accurately controlled, thereby improving the accuracy of screening.

[0038] With reference to Figure 2 , Figure 3 , the first screening net 11 is provided with the first fixing assembly 4 for fixing the closure cover 12, the first fixing assembly 4 includes the connecting lug 41, the fixing lug 42, the fixing bolt 43 and the fixing nut 44. The connecting lug 41 is horizontally arranged and fixedly connected to the first screening box 1. The fixing lug 42 is horizontally arranged and fixedly connected to the closure cover 12. The fixing bolt 43 is vertically arranged and penetrates the connecting lug 41 and the fixing lug 42. The fixing nut 44 is horizontally arranged and threadedly connected to the fixing bolt 43, and the top surface of the fixing nut 44 abuts against the bottom surface of the connecting lug 41. The closure cover 12 is provided below with the rubber sealing ring 121, the rubber sealing ring 121 is circular and annular, the rubber sealing ring 121 is horizontally arranged and fixedly connected to the closure cover 12. The first fixing assembly 4 facilitates the operator to quickly fix the closure cover 12, and the arrangement of the rubber sealing ring 121 further reinforces the fixing stability of the closure cover 12.

[0039] With reference to Figure 2A first screening box 1 contains a first screening mesh 11, which is horizontally positioned and fixedly connected to the bottom of the first screening box 1. A second screening box 2 contains a second screening mesh 21, which is also horizontally positioned and fixedly connected to the bottom of the second screening box 2. The screening opening of the first screening mesh 11 is larger than that of the second screening mesh 21, achieving a layered screening effect. Positioning rings 7 are horizontally positioned and fixedly connected to the bottom of both the first screening box 1 and the second screening box 2. Positioning ring grooves 71, matching the positioning rings 7, are provided on the second screening box 2 and the third screening box 3. The inner wall of the positioning ring groove 71 slides and engages with the outer wall of the positioning ring 7. A circular magnet 72 is horizontally positioned and fixedly connected to the second screening box 2 and the third screening box 3. The circular magnet 72 works in conjunction with the positioning ring 7 to assist operators in installation and fixation, which helps improve the overall stability of the equipment.

[0040] Reference Figure 3 , Figure 4 Both sides of the second screening box 2 and the third screening box 3 are provided with second fixing components 5 for fixing the second screening box 2 and the first screening box 1. The second fixing component 5 includes a plug-in block 51, a fixing block 52, a connecting block 53, and a fixing spring 54. The plug-in block 51 is vertically arranged and fixedly connected to the first screening box 1 and the second screening box 2 respectively. The fixing block 52 is horizontally arranged and fixedly connected to the second screening box 2 and the third screening box 3 respectively. A first plug-in groove 521 is opened in the fixing block 52, and the inner wall of the first plug-in groove 521 slides and engages with the outer wall of the plug-in block 51. The connecting block 53 is horizontally arranged and slides through the fixing block 52. A first sliding groove 522 is opened in the fixing block 52, and the inner wall of the first sliding groove 522 slides and engages with the outer wall of the connecting block 53. The plug-in block 51 has a second plug-in groove 511, and the inner wall of the second plug-in groove 511 slides and engages with the outer wall of the connecting block 53. The fixing spring 54 is horizontally set, with one end of the fixing spring 54 fixedly connected to the connecting block 53 and the other end fixedly connected to the inner wall of the first sliding groove 522.

[0041] The operator first places the second screening box 2 on the third screening box 3, at this time the insertion block 51 on the second screening box 2 enters the first insertion slot 521, the operator continues to lower the second screening box 2, the inclined surface of the insertion block 51 cooperates with the inclined surface of the fixing block 52, the connecting block 53 moves in the first sliding slot 522 under the action of the insertion block 51, at this time the fixed spring 54 is in a compressed state, when the bottom surface of the second screening box 2 abuts against the top surface of the third screening box 3, the insertion block 51 completely enters the first insertion slot 521, the connecting block 53 matches the second insertion slot 511 on the insertion block 51, the connecting block 53 pops out and inserts into the second insertion slot 511 under the action of the fixed spring 54, at this time the fixing of the second screening box 2 is completed. The operator fixes the first screening box 1 on the top of the second screening box 2 again according to the above process.

[0042] With reference to Figure 4 The unlocking assembly 6 is arranged on the fixing block 52, the unlocking assembly 6 comprises a connecting rod 61 and a pull plate 62, the connecting rod 61 is horizontally arranged, one end of the connecting rod 61 is fixedly connected to the connecting block 53, and the other end of the connecting rod 61 extends out of the fixing block 52. The pull plate 62 is vertically arranged, and the pull plate 62 is fixedly connected to the connecting rod 61. The operator pulls the pull plate 62, the pull plate 62 moves to drive the connecting block 53 to move in the first sliding slot 522, at this time the fixed spring 54 is in a compressed state, and the connecting block 53 completely separates from the second insertion slot 511, so that the first screening box 1 can be taken down. The operator can take down the second screening box 2 again according to the above process.

[0043] The implementation principle of the scale screening device is as follows: the operator places the second screening box 2 on the top of the third screening box 3, at this time the insertion block 51 on the two sides of the second screening box 2 enters the first insertion slot 521, the inclined surface of the insertion block 51 cooperates with the inclined surface of the fixing block 52, the connecting block 53 moves in the first sliding slot 522 under the action of the insertion block 51, at this time the fixed spring 54 is in a compressed state, when the bottom surface of the second screening box 2 abuts against the top surface of the third screening box 3, the insertion block 51 completely enters the first insertion slot 521, the connecting block 53 matches the second insertion slot 511 on the insertion block 51, the connecting block 53 pops out and inserts into the second insertion slot 511 under the action of the fixed spring 54, at this time the fixing of the second screening box 2 is completed. At this time, the positioning ring 7 at the bottom of the second screening box 2 cooperates with the ring magnet 72 at the top of the third screening box 3, further reinforcing the fixing of the second screening box 2. The operator fixes the first screening box 1 on the top of the second screening box 2 again according to the above process. The operator locks the closing cover 12 on the top of the first screening box 1 again by using the fixing bolt 43, the fixing nut 44 and the rubber sealing ring 121.

[0044] Then the iron scale is poured into the screening device from the feeding port 13 on the closed cover 12, and the vibration motor 31 and the exciter 8 are started to make the whole device vibrate regularly. Under the action of vibration, the iron scale is gradually screened, and the iron scale meeting the mesh size of the screen falls into the lower layer, and otherwise stays in the upper layer. Finally, the screened iron scale is obtained in the first screening box 1, the second screening box 2 and the third screening box 3. The positioning block and the reset spring 34 at the bottom improve the stability of the whole device.

[0045] When the screened iron scale needs to be taken out, the operator pulls the pull plate 62 at the top, the pull plate 62 drives the connecting block 53 to move reversely in the first sliding groove 522 through the pull rod, and when the moving block completely separates from the second plug-in groove 511, the first screening box 1 can be taken out and the screened iron scale can be taken out. The operator takes out the iron scale of the second screening box 2 and the third screening box 3 according to the above process.

[0046] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, so: any equivalent changes made on the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. A scale screening device, comprising a first screening box (1), a second screening box (2) and a third screening box (3) arranged in sequence at the bottom of the first screening box (1), characterized in that: The first screening box (1) is provided with a first screening net (11) at the bottom, and a closing cover (12) is hinged at the top of the first screening box (1), wherein the closing cover (12) is provided with a feeding port (13), and the first screening box (1) is provided with a first fixing assembly (4) for fixing the closing cover (12), the second screening box (2) is provided with a second screening net (21) at the bottom, the screening opening of the second screening net (21) is smaller than that of the first screening net (11), the third screening box (3) is provided with a second fixing assembly (5) for fixing the second screening box (2) and the first screening box (1) on both sides, the third screening box (3) is provided with a vibrating motor (31) at the bottom, the third screening box (3) is provided with a receiving base (32) at the bottom, a plurality of first positioning blocks (33) are uniformly arranged around the circumferential direction of the third screening box (3), a plurality of second positioning blocks (321) are arranged on the receiving base (32), the first positioning blocks (33) and the second positioning blocks (321) correspond to each other, and reset springs (34) are arranged on the first positioning blocks (33) and the second positioning blocks (321).

2. A scale screening apparatus according to claim 1, characterised in that: The first fixing assembly (4) comprises a connecting lug (41) fixedly connected to the first screening box (1), a fixing lug (42) fixedly connected to the closing cover (12), a fixing bolt (43) penetrating the connecting lug (41) and the fixing lug (42), and a fixing nut (44) threadedly connected to the fixing bolt (43), wherein one end of the fixing nut (44) abuts against the bottom surface of the connecting lug (41).

3. A scale screening apparatus according to claim 1, characterized in that: The closing cover (12) is provided with a rubber sealing ring (121) below, and the rubber sealing ring (121) is fixedly connected to the closing cover (12).

4. A scale screening apparatus according to claim 1, characterized in that: The second fixing assembly (5) comprises a plug-in block (51) fixedly connected to the first screening box (1) and the second screening box (2) on both sides, a fixing block (52) fixedly connected to the second screening box (2) and the third screening box (3), a connecting block (53) slidingly penetrating the inside of the fixing block (52), and a fixing spring (54) fixedly connected to the connecting block (53), wherein the end face of the plug-in block (51) close to the connecting block (53) is provided with an inclined surface, the end face of the connecting block (53) close to the plug-in block (51) is provided with an inclined surface, the fixing block (52) is provided with a first plug-in groove (521) for plug-in cooperation of the plug-in block (51), the fixing block (52) is provided with a first sliding groove (522) for sliding cooperation of the connecting block (53), the plug-in block (51) is provided with a second plug-in groove (511) for plug-in cooperation of the connecting block (53), and the fixing block (52) is provided with an unlocking assembly (6) for unlocking the plug-in block (51).

5. A scale screening apparatus according to claim 4, characterised in that: The unlocking assembly (6) comprises a connecting rod (61) arranged on the connecting block (53), and a pull plate (62) fixedly connected to the connecting rod (61), one end of the connecting rod (61) being fixedly connected to the connecting block (53), and the other end penetrating through the fixed block (52).

6. A scale screening apparatus according to claim 1, characterized in that: The first screening box (1) and the second screening box (2) are provided with positioning rings (7) at the bottom, and the second screening box (2) and the third screening box (3) are provided with corresponding positioning ring grooves (71) at the top.

7. A scale screening apparatus according to claim 6, characterised in that: A ring magnet (72) is arranged in the positioning ring groove (71), and the ring magnet (72) cooperates with the positioning ring (7).

8. A scale screening apparatus according to claim 1, characterized in that: High-precision control systems are arranged on the outer walls of the first screening box (1), the second screening box (2) and the third screening box (3).

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