High-precision multi-stage filtering device

Abstract

The utility model discloses a high-precision multi-stage filtering device which comprises a filtering box, a first-stage filtering net and a second-stage filtering net are arranged in the filtering box, and the second-stage filtering net is arranged from top to bottom; a supporting plate is arranged on the side of the filter box, supporting arms are fixed to the upper side and the lower side of the side wall of the supporting plate correspondingly, and the filter box is fixedly arranged between the two supporting arms; a colloid fluid material is injected into the filter box by arranging the feeding port, the driving motor is started, the rotating shaft is driven to rotate under the action of the driving belt wheel, the driven belt wheel and the transmission belt, and the colloid fluid material is extruded towards the filter screen by the rotating first-stage twisting roller and the rotating second-stage twisting roller; the first-stage filter screen and the second-stage filter screen are used for filtering the materials in a grading manner, so that the materials can flow smoothly under the condition that the materials are extruded, and the condition that the colloidal fluid materials are blocked due to insufficient pressure is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, and specifically relates to a high-precision multi-stage filtering device. Background Art

[0002] In the related art, after a mixing kettle stirs some colloidal fluids, the materials need to be discharged and subjected to multi-stage filtration to ensure that the materials do not agglomerate and cause nozzle clogging. In the prior art, a multi-stage stainless steel filter tank is usually used in combination with a wire mesh or filter element in the tank to perform multi-stage filtration on the colloidal fluid materials.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] In the prior art, such multi-stage filtering devices, when filtering, the colloidal flow material lacks certain pressure or power, and the fluidity of the product is insufficient, which easily leads to poor filtering effect when circulating inside the multi-stage filtering device. Utility Model Content

[0005] The purpose of the utility model is to provide a high-precision multi-stage filtering device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision multi-stage filtering device, including a filter box, wherein a primary filter screen and a secondary filter screen are arranged inside the filter box, and the secondary filter is arranged below the primary filter screen; a support plate is arranged on the side of the filter box, and support arms are respectively fixed on the upper and lower sides of the side walls of the support plate, and the filter box is fixed between the two support arms; a rotating shaft is penetrated through the middle of the filter box, and the rotating shaft is simultaneously penetrated through the middle of the primary filter screen and the secondary filter screen, and extends over the upper side of the support plate, and the rotating shaft located on the upper side of the support plate is connected to a drive component; a primary twisting roller is arranged on the rotating shaft located on the upper side of the primary filter screen, and a secondary twisting roller is arranged on the rotating shaft located on the upper side of the secondary filter screen.

[0007] Preferably, a feed inlet and a discharge port are provided on the side wall of the filter box, the feed inlet is located on the upper side of the primary winding roller, and the discharge port is located on the lower side of the secondary filter screen.

[0008] Preferably, the filtering accuracy of the secondary filter is greater than the filtering accuracy of the primary filter.

[0009] Preferably, a first spring and a vibration motor are provided on the side wall of the support plate, a second spring is provided on the lower side of the lower support arm, a fixing plate is provided at the end of the first spring, and a bottom plate is provided at the lower end of the fixing plate and the second spring.

[0010] Preferably, the driving assembly includes a driven pulley, a transmission belt, a driving motor and a driving pulley, the driving motor is arranged on the side wall of the support plate, the driving pulley is arranged at the driving end of the driving motor, the driven pulley is arranged at the upper end of the rotating shaft, and the transmission belt connects the driven pulley and the driving pulley.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a feed inlet to add colloidal flow materials into the filter box, starts the drive motor, and drives the rotating shaft to rotate through the action of the active pulley, the driven pulley and the transmission belt. The rotating primary and secondary rollers both squeeze the colloidal flow materials toward the filter screen, so that the primary and secondary filter screens filter the materials in stages, which allows the materials to flow smoothly when squeezed, avoiding the colloidal flow materials from being blocked due to insufficient pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0014] In the figure: 1. filter box; 2. primary filter screen; 3. secondary filter screen; 4. support plate; 5. support arm; 6. rotating shaft; 7. drive assembly; 8. primary roller; 9. secondary roller; 10. feed port; 11. discharge port; 12. first spring; 13. vibration motor; 14. second spring; 15. fixing plate; 16. bottom plate; 7-1. driven pulley; 7-2. transmission belt; 7-3. drive motor; 7-4. driving pulley. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-2The utility model provides a technical solution: a high-precision multi-stage filtering device, including a filter box 1, including a primary filter screen 2 and a secondary filter screen 3 arranged inside the filter box 1, and the secondary filter screen 3 is arranged below the primary filter screen 2; a support plate 4 is arranged on the side of the filter box 1, and support arms 5 are respectively fixed on the upper and lower sides of the side wall of the support plate 4, and the filter box 1 is fixed between the two support arms 5; a rotating shaft 6 is penetrated in the middle of the filter box 1, and the rotating shaft 6 is simultaneously penetrated in the middle of the primary filter screen 2 and the secondary filter screen 3, and extends through the support plate 4 On the upper side, the rotating shaft 6 located on the upper side of the support plate 4 is connected to the driving component 7; a primary twisting roller 8 is provided on the rotating shaft 6 located on the upper side of the primary filter screen 2, and a secondary twisting roller 9 is provided on the rotating shaft 6 located on the upper side of the secondary filter screen 3. Both the primary twisting roller 8 and the secondary twisting roller 9 are welded with spiral blades on the rotating shaft, and a rotating reamer is used to slowly push the material falling into the filter box 1 downward to push the material to the primary filter screen 2 or the secondary filter screen 3. The rotation direction of the rotating shaft 6 determines the conveying direction of the material. The utility model is designed according to the single-way conveying to design the rotating blades.

[0017] Specifically, a feed port 10 and a discharge port 11 are provided on the side wall of the filter box 1. The feed port 10 is located on the upper side of the primary winding roller 8, and the discharge port 11 is located on the lower side of the secondary filter screen 3. Materials are added to the filter box 1 through the feed port 10, and materials passing through the primary filter screen 2 and the secondary filter screen 3 are discharged through the discharge port 11.

[0018] Specifically, the filtering accuracy of the secondary filter 3 is greater than the filtering accuracy of the primary filter 2, so that the overall device can filter the material more finely.

[0019] Specifically, a first spring 12 and a vibration motor 13 are provided on the side wall of the support plate 4, a second spring 14 is provided on the lower side of the lower support arm 5, a fixing plate 15 is provided at the end of the first spring 12, and a bottom plate 16 is provided at the lower end of the fixing plate 15 and the second spring 14. The vibration motor 13 transmits vibration to the filter box 1 to improve the filtering effect of the primary filter screen 2 and the secondary filter screen 3.

[0020] Specifically, the driving assembly 7 includes a driven pulley 7-1, a transmission belt 7-2, a driving motor 7-3 and a driving pulley 7-4. The driving motor 7-3 is arranged on the side wall of the support plate 4, the driving pulley 7-4 is arranged at the driving end of the driving motor 7-3, the driven pulley 7-1 is arranged at the upper end of the rotating shaft 6, and the transmission belt 7-2 connects the driven pulley 7-1 and the driving pulley 7-4.

[0021] Working principle: When the utility model is working, the colloidal flow material is added into the filter box 1 by setting the feed port 10, the driving motor 7-3 is started, and the rotating shaft 6 is driven to rotate by the action of the active pulley 7-4, the driven pulley 7-1 and the transmission belt 7-2, and the rotating primary roller 8 and the secondary roller 9 both squeeze the colloidal flow material toward the primary filter screen 2 or the secondary filter screen 3, so that the primary filter screen 2 and the secondary filter screen 3 filter the material in stages, so that the material can flow smoothly when being squeezed.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision multi-stage filtering device, characterized in that: It comprises a filter box (1), wherein a primary filter screen (2) and a secondary filter screen (3) are arranged inside the filter box (1), and the secondary filter screen (3) is arranged below the primary filter screen (2); A support plate (4) is provided on the side of the filter box (1), support arms (5) are fixed to the upper and lower sides of the side wall of the support plate (4), and the filter box (1) is fixed between the two support arms (5); A rotating shaft (6) is provided through the middle of the filter box (1), and the rotating shaft (6) is provided through the middle of the primary filter screen (2) and the secondary filter screen (3) and extends over the upper side of the support plate (4), and the rotating shaft (6) located on the upper side of the support plate (4) is connected to a driving assembly (7); A primary twist roller (8) is provided on the rotating shaft (6) located on the upper side of the primary filter screen (2), and a secondary twist roller (9) is provided on the rotating shaft (6) located on the upper side of the secondary filter screen (3).

2. A high-precision multi-stage filtering device according to claim 1, characterized in that: The side wall of the filter box (1) is provided with a feed inlet (10) and a discharge outlet (11), the feed inlet (10) is located on the upper side of the primary twist roller (8), and the discharge outlet (11) is located on the lower side of the secondary filter screen (3).

3. A high-precision multi-stage filtering device according to claim 1, characterized in that: The filtering accuracy of the secondary filter (3) is greater than the filtering accuracy of the primary filter (2).

4. A high-precision multi-stage filtering device according to claim 1, characterized in that: A first spring (12) and a vibration motor (13) are provided on the side wall of the support plate (4), a second spring (14) is provided on the lower side of the support arm (5), a fixing plate (15) is provided at the end of the first spring (12), and a bottom plate (16) is provided at the lower end of the fixing plate (15) and the second spring (14).

5. The high-precision multi-stage filtering device according to claim 1, characterized in that: The driving assembly (7) comprises a driven pulley (7-1), a transmission belt (7-2), a driving motor (7-3) and a driving pulley (7-4); the driving motor (7-3) is arranged on the side wall of the support plate (4); the driving pulley (7-4) is arranged at the driving end of the driving motor (7-3); the driven pulley (7-1) is arranged at the upper end of the rotating shaft (6); and the transmission belt (7-2) connects the driven pulley (7-1) and the driving pulley (7-4).

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