Metal powder screening and filtering device

Abstract

The utility model discloses a metal powder screening and filtering device which is characterized in that a feeding mechanism is arranged at the top of a filtering barrel and comprises a feeding pipeline fixedly arranged at the top of the filtering barrel, and a guide assembly for guiding raw materials is arranged at the bottom of the feeding pipeline and located in the filtering barrel; the first-stage filtering mechanism is arranged in the filtering barrel, is positioned below the guide assembly and is used for performing first-stage filtering and screening on the raw materials; and the second-stage filtering mechanism is arranged in the filtering barrel, is positioned below the first-stage filtering mechanism and is used for carrying out secondary filtering on the raw materials filtered and screened by the first-stage filtering mechanism. According to the metal powder screening and filtering device, raw materials are evenly guided to all positions of the first vibrating screen through the arranged guiding assembly, and the problems that in a traditional feeding mode, the vibrating screens are not evenly utilized, and the raw materials are accumulated are solved; a layer of electromagnetic plate is laid on the bottom surface of the material guide plate, and the material guide plate and the electromagnetic plate are uniformly arranged in a plate shape, so that the adsorption effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal powder screening filtering equipment technical field especially relates to a metal powder screening filtering device. BACKGROUND

[0002] In prior art's chemical production equipment, such as p-hydroxybenzoic acid and other chemical raw material finished product, its metal powder impurity requirement is very high, needs to carry out filtering to metal powder through professional equipment. Prior art's metal powder filter filtering efficiency is not high, needs to repeat filtering to reach the requirement, seriously influences enterprise production efficiency, improves enterprise's operating cost.

[0003] In the patent with the publication number CN205056451U, although carries out multistage filtering, improves the effect of filtering to a certain extent, but the feed inlet arranged therein has the problem of uneven feeding, is not fully utilized for the vibrating screen, and the raw material is prone to accumulation. In addition, the strong magnet and the electromagnetic component are arranged, and the adsorption effect of the metal powder is not good. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a metal powder screening and filtering device.

[0005] The metal powder screening and filtering device provided by the utility model, comprising a filter barrel, a feeding mechanism, a primary filtering mechanism and a secondary filtering mechanism, wherein,

[0006] The feeding mechanism is arranged at the top of the filter barrel and includes a feeding pipe arranged fixedly at the top of the filter barrel. The bottom of the feeding pipe is located inside the filter barrel and is provided with a guide assembly for guiding the raw material.

[0007] The primary filtering mechanism is arranged inside the filter barrel below the guide assembly and is used for primary filtering and screening of the raw material.

[0008] The secondary filtering mechanism is arranged inside the filter barrel below the primary filtering mechanism and is used for secondary filtering of the raw material filtered and screened by the primary filtering mechanism.

[0009] Further, the guide assembly includes a mounting plate arranged fixedly on the bottom surface of the feeding pipe. The mounting plate is arranged in the horizontal direction. A plurality of parallel strip-shaped through holes are arranged uniformly and at intervals on the mounting plate. A guide plate is arranged between each strip-shaped through hole on the bottom surface of the mounting plate. The side surfaces of the plurality of guide plates are arranged in a fan shape.

[0010] Further, the primary filtering mechanism comprises a first vibrating screen and a second vibrating screen fixedly arranged inside the filtering barrel, the first vibrating screen is arranged above the second vibrating screen, and the mesh number of the second vibrating screen is greater than that of the first vibrating screen.

[0011] Further, the secondary filtering mechanism comprises three groups of flow guide adsorption assemblies, the three groups of flow guide adsorption assemblies are arranged in a zigzag shape inside the filtering barrel, and the flow guide adsorption assembly located in the middle is arranged at the opposite side of the other two groups of flow guide adsorption assemblies inside the filtering barrel.

[0012] Further, the flow guide adsorption assembly comprises a material guide plate, a plurality of protruding trapezoidal strips are punched on the plate surface of the material guide plate, a layer of electromagnetic plates is fixedly arranged on the bottom surface of the material guide plate and used for adsorbing metal powder on the material guide plate, a material discharge strip-shaped hole is arranged on the filtering barrel and arranged at the opposite side of the corresponding material guide plate, and a sealing door is hingedly arranged on the outer side of the filtering barrel and corresponds to the material discharge strip-shaped hole.

[0013] Further, the material guide plate is arranged in an inclined downward manner, and the included angle between the upper surface of the material guide plate and the horizontal plane is arranged to be 30-45°.

[0014] Further, the bottom of the filtering barrel is provided with a discharge port.

[0015] Further, the side surface of one end of the trapezoidal strip and the two adjacent side surfaces of the material guide plate are fixedly arranged on the wall surface of the filtering barrel.

[0016] Further, the wall thickness of the material guide plate is arranged to be 1-3mm.

[0017] Compared with the prior art, the beneficial effects of the metal powder screening and filtering device are as follows:

[0018] The metal powder screening and filtering device comprises a feeding pipe, a primary filtering mechanism, a secondary filtering mechanism and a discharging mechanism, the feeding pipe is arranged on the top of the primary filtering mechanism, the primary filtering mechanism is arranged on the top of the secondary filtering mechanism, and the discharging mechanism is arranged on the bottom of the secondary filtering mechanism.

[0019] It is to be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor to limit the scope of the utility model.

[0020] Other features of the utility model will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments made with reference to the drawings:

[0022] Fig. 1 A structural schematic view of a metal powder screening and filtering device provided by the embodiments of the utility model;

[0023] Fig. 2 A structural schematic view of the mounting plate;

[0024] Fig. 3 A structural schematic view of the side surface of the material guide plate and the electromagnetic plate after assembly;

[0025] Reference signs in the drawings: 1, filtering barrel; 2, feeding pipeline; 3, mounting plate; 4, strip-shaped through hole; 5, flow guide plate; 6, first vibrating screen; 7, second vibrating screen; 8, flow guide and adsorption assembly; 81, material pouring plate; 82, trapezoidal strip; 83, electromagnetic plate; 84, material discharging strip-shaped hole; 85, sealing door; 9, mounting frame; 10, discharging port. DETAILED DESCRIPTION

[0026] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for convenience of description.

[0027] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] Please refer to Figs. 1-3 The embodiments of the utility model provide a metal powder screening and filtering device, which comprises a filtering barrel 1, a feeding mechanism, a primary filtering mechanism and a secondary filtering mechanism; wherein,

[0029] The feeding mechanism is arranged at the top of the filter barrel 1 and includes a feeding pipe 2 fixedly arranged at the top of the filter barrel 1, and the bottom of the feeding pipe 2 is arranged inside the filter barrel 1 and provided with a guide assembly for guiding the raw materials; the raw materials enter the inside of the filter barrel 1 through the feeding pipe 2 and the guide assembly, and the raw materials in the feeding pipe 2 are dispersed to each position on the filter mechanism through the arranged guide assembly.

[0030] The filter barrel 1 is suspended and supported by the mounting frame 9, so as to facilitate the discharge of the screened and filtered raw materials.

[0031] In a preferred embodiment, the guide assembly includes a mounting plate 3 fixedly arranged on the bottom surface of the feeding pipe 2, and the mounting plate 3 is arranged in the horizontal direction; a plurality of parallel strip-shaped through holes 4 are uniformly and spacedly arranged on the mounting plate 3; a flow guide plate 5 is arranged between each strip-shaped through hole 4 on the bottom surface of the mounting plate 3, and the side surfaces of the plurality of flow guide plates 5 are arranged in a fan shape.

[0032] That is, the plurality of flow guide plates 5 are arranged in a fan shape from the side surfaces of the plurality of flow guide plates 5, the upper end corresponding to the outlet of the feeding pipe 2 is a converging end, and the lower end is a dispersing end, so as to disperse the raw materials to each position on the first vibrating screen 6 and avoid the accumulation of the raw materials.

[0033] The first filter mechanism is arranged inside the filter barrel 1 below the guide assembly and is used for primary filtering and screening of the raw materials.

[0034] In a preferred embodiment, the first filter mechanism includes a first vibrating screen 6 and a second vibrating screen 7 fixedly arranged inside the filter barrel 1, the first vibrating screen 6 is arranged above the second vibrating screen 7, the mesh number of the second vibrating screen 7 is greater than that of the first vibrating screen 6, and the raw materials can be screened in sequence to improve the screening and filtering effect.

[0035] The second filter mechanism is arranged inside the filter barrel 1 below the first filter mechanism and is used for secondary filtering of the raw materials filtered and screened by the first filter mechanism.

[0036] In a preferred embodiment, the second filter mechanism includes three groups of flow guide and adsorption assemblies 8, the three groups of flow guide and adsorption assemblies 8 are arranged in an up-down distribution manner inside the filter barrel 1, so as to realize the layer-by-layer falling of the raw materials from top to bottom and the filtering and screening of the metal powder.

[0037] The three groups of flow guide and adsorption assemblies 8 are arranged in a Z shape inside the filter barrel 1; the flow guide and adsorption assembly 8 in the middle is arranged at the opposite side of the other two groups of flow guide and adsorption assemblies 8 inside the filter barrel 1.

[0038] That is, the discharge port of the uppermost flow guide adsorption assembly 8 is located on one side of the middle flow guide adsorption assembly 8 close to the wall of the filter barrel 1, and the middle flow guide adsorption assembly 8 is the same as the lowermost flow guide adsorption assembly 8.

[0039] In a preferred embodiment, the flow guide adsorption assembly 8 comprises a guide plate 81, and a plurality of protruding trapezoidal strips 82 are punched on the plate surface of the guide plate 81. The trapezoidal strips 82 increase the contact area between the raw materials and the guide plate 81, and improve the effect of metal powder screening and filtering. An electromagnetic plate 83 is fixed on the bottom surface of the guide plate 81, and the electromagnetic plate 83 generates a magnetic force when powered on, which is used to adsorb metal powder on the guide plate 81. When the power is off, the magnetic force disappears, and the metal powder on the guide plate 81 can be collected. The filter barrel 1 is provided with a discharge strip-shaped hole 84, and the discharge strip-shaped hole 84 is arranged on the opposite side of the corresponding guide plate 81 on the filter barrel 1. A sealing door 85 is hingedly arranged on the outside of the filter barrel 1 corresponding to the discharge strip-shaped hole 84.

[0040] Among them, the electromagnetic plate 83 can be integrally formed according to the shape of the guide plate 81, or can be formed by splicing a plurality of electromagnetic plates.

[0041] In a preferred embodiment, the guide plate 81 is arranged inclined downward, and the included angle between the upper surface thereof and the horizontal plane is arranged to be 30-45°.

[0042] In a preferred embodiment, the bottom of the filter barrel 1 is provided with a discharge port 10.

[0043] In a preferred embodiment, the side surface of the guide plate 81 located at one end of the trapezoidal strip 82 and the two adjacent side surfaces thereof are fixedly arranged on the wall surface of the filter barrel 1.

[0044] Preferably, the thickness of the guide plate 81 is arranged to be 1-3mm, so as to avoid that the thickness of the guide plate 81 is too large and affects the magnetic attraction degree of the electromagnetic plate 83.

[0045] The working principle of the utility model is as follows:

[0046] The raw materials are fed from the top port of the feed pipe 2, and then dispersed to different positions on the first vibrating screen 6 by the guide assembly, so as to avoid the problems of insufficient use of the first vibrating screen 6 and the second vibrating screen 7 and accumulation of the raw materials. The raw materials passing through the first vibrating screen 6 and the second vibrating screen 7 fall on the uppermost guide plate 81, at this time, the electromagnetic plate 83 is in the energized state, and the metal powder in the raw materials falling on the guide plate 81 is adsorbed on the surface of the guide plate 81, and then filtered and screened through the multiple guide plates 81. The finally screened and filtered raw materials are discharged through the discharge port 10 below the filter barrel 1. The metal powder on the guide plate 81 enters the inside of the filter barrel 1 below the guide plate 81 and the electromagnetic plate 83 through the opening of the corresponding sealing door 85, the corresponding electromagnetic plate 83 is de-energized, the metal powder on the guide plate 81 loses the magnetic attraction force and falls into the inside of the collection box, so that the collection of the metal powder is realized. The collection box is in the shape of a dustpan, which is convenient for collecting the metal powder.

[0047] In the description of the present specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] In the description of the present specification, the description of the terms "one embodiment", "some embodiments" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A metal powder sieving and filtering device, characterized in that, It includes a filter barrel, a feeding mechanism, a primary filtration mechanism, and a secondary filtration mechanism; among which, The feeding mechanism is located at the top of the filter barrel and includes a fixed feeding pipe located at the top of the filter barrel. The bottom of the feeding pipe is located inside the filter barrel and is provided with a guide component for guiding the raw materials. The primary filtration mechanism is located inside the filter barrel, below the guide assembly, and is used for primary filtration and screening of the raw materials. The secondary filtration mechanism is located inside the filter barrel, below the primary filtration mechanism, and is used to perform secondary filtration on the raw materials filtered and screened by the primary filtration mechanism.

2. The metal powder sieving and filtering device according to claim 1, characterized in that, The guiding component includes a mounting plate fixedly disposed on the bottom surface of the feed pipe, the mounting plate being disposed in a horizontal direction; a plurality of parallel strip-shaped through holes are evenly spaced on the mounting plate; a guide plate is disposed on the bottom surface of the mounting plate between each of the strip-shaped through holes, and the sides of the plurality of guide plates are arranged in a fan shape.

3. The metal powder sieving and filtering device according to claim 2, characterized in that, The primary filtration mechanism includes a first vibrating screen and a second vibrating screen fixedly disposed inside the filter barrel. The first vibrating screen is disposed above the second vibrating screen, and the mesh size of the second vibrating screen is greater than that of the first vibrating screen.

4. The metal powder sieving and filtering device according to claim 3, characterized in that, The secondary filtration mechanism includes three sets of flow-guiding adsorption components, which are arranged in a Z-shape inside the filter barrel; the middle flow-guiding adsorption component is located inside the filter barrel on the opposite side of the other two sets of flow-guiding adsorption components.

5. The metal powder sieving and filtering device according to claim 4, characterized in that, The flow-guiding and adsorption assembly includes a guide plate with several raised trapezoidal strips stamped on its surface; an electromagnetic plate is fixedly laid on the bottom surface of the guide plate for adsorbing metal powder onto the guide plate; a discharge strip hole is provided on the filter barrel, which is located on the opposite side of the guide plate; a sealing door is hinged to the outside of the filter barrel corresponding to the discharge strip hole.

6. The metal powder sieving and filtering device according to claim 5, characterized in that, The guide plate is inclined downward, and the angle between its upper surface and the horizontal plane is set between 30-45°.

7. The metal powder sieving and filtering device according to claim 6, characterized in that, The filter barrel is provided with a discharge port at the bottom.

8. The metal powder sieving and filtering device according to claim 7, characterized in that, The side of the guide plate located at one end of the trapezoidal strip and its two adjacent sides are fixedly disposed on the wall of the filter barrel.

9. The metal powder sieving and filtering device according to claim 8, characterized in that, The wall thickness of the guide plate is set to 1-3mm.

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