Spraying powder recovery device of spraying equipment

By using a multi-stage filtration system to filter the sprayed powder in stages, the problem of fine particles and impurities in the powder after cyclone separation is solved, thereby improving powder quality and reusability, and simplifying the processing procedure.

CN223602708UActive Publication Date: 2025-11-28DONGTU (CHANGZHOU) PAINTING EQUIP CO LTD
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Patent Information

Application Number
CN202422633809.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-11-28
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

In existing powder recovery devices, the powder after cyclone separation still contains fine particles and impurities, resulting in low quality of recovered powder, which requires manual filtration again.

Method used

A multi-stage filtration system is adopted, including a cyclone separator, first and second filter screen assemblies, and a third filter assembly. The negative pressure is created by the exhaust fan body, which causes the powder to be filtered in stages in the dust collection box, removing fine particles and impurities and improving the powder quality.

Benefits of technology

This improved the quality of the recycled powder, making it more suitable for subsequent reuse, preventing dust particles from entering the exhaust fan, and simplifying the subsequent processing procedures.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223602708U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of spraying equipment, in particular to a spraying powder recovery device of spraying equipment, which comprises a spraying equipment body, a spraying powder recovery device body is arranged on one side of the spraying equipment body, the spraying powder recovery device body comprises a cyclone separator body, and a dust collecting box is arranged below the cyclone separator body. A first cavity is formed in the position, close to a discharging port of the cyclone separator body, in the dust collecting box body, and a second cavity is formed in the other side in the dust collecting box body. According to the dust collection device, the interior of the dust collection box body is pumped into negative pressure through the exhaust fan body, so that powder collected from the cyclone separator body moves from the first cavity to the second cavity along with airflow, and the powder is filtered in a graded mode through the first filter screen assembly and the second filter screen assembly; and fine particles and impurities mixed in the powder are removed, the quality of the recycled powder is improved, and the recycled powder is more suitable for follow-up reutilization.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spraying equipment technical field especially relates to a spraying powder recovery device of spraying equipment. BACKGROUND

[0002] The spraying powder recovery device of spraying equipment is an indispensable part in the coating industry, which can effectively recycle and reuse the powder not attached to the workpiece in the spraying process.

[0003] The existing spraying powder recovery device includes a cyclone separation type recovery system, which separates the powder not attached in the spraying process from the air by using the principle of centrifugal force.

[0004] However, the powder preliminarily separated by the cyclone separator may still contain some fine particles or impurities, and the quality of the recovered powder is low, and artificial filtering treatment is needed before subsequent reuse. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a spraying powder recovery device of spraying equipment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A spraying powder recovery device of spraying equipment, comprising a spraying equipment body, a spraying powder recovery device body is arranged on one side of the spraying equipment body, the spraying powder recovery device body comprises a cyclone separator body, a dust collecting box body is arranged below the cyclone separator body, a first cavity is formed at the discharge port of the cyclone separator body in the dust collecting box body, a second cavity is formed on the other side in the dust collecting box body;

[0008] A first filter screen assembly and a second filter screen assembly are sequentially inserted at the second cavity at the top of the dust collecting box body, a first filter screen plate and a second filter screen plate are respectively arranged in the first filter screen assembly and the second filter screen assembly, a suction fan body is arranged on the side of the dust collecting box body away from the cyclone separator body, the positive pressure end of the suction fan body is connected with the dust collecting box body, a through hole is formed between the positive pressure end of the suction fan body and the second cavity in the dust collecting box body, and a third filter assembly is arranged outside the through hole in the second cavity.

[0009] In addition, preferably, the first filter screen assembly and the second filter screen assembly each comprise a mounting frame, a through groove is formed in the middle of the mounting frame, a fixed block is mounted on the top of the mounting frame, a limiting plate is fixedly mounted on the top of the fixed block, and a sealing gasket is sleeved below the fixed block outside the mounting frame.

[0010] In addition, preferably, a plurality of I-shaped limiting blocks are equidistantly arranged in the fixing block and the limiting plate, the I-shaped limiting block comprises a limiting part, a connecting part and a handle part, the limiting part is located in the fixing block, the connecting part is fixedly arranged at the middle of the top of the limiting part, and the handle part is fixedly arranged at one end of the connecting part and penetrates through the limiting plate.

[0011] In addition, preferably, a movable cavity is arranged in the fixing block and a clamping cavity is arranged in the ash collecting box body, and a limiting clamping groove is arranged in the ash collecting box body at the positions of the first filter screen assembly and the second filter screen assembly.

[0012] In addition, preferably, the third filter assembly comprises an installation net frame, the installation net frame is fixedly arranged outside the through hole in the second cavity, a filter cloth bag body is arranged outside the installation net frame, a limiting net frame is arranged outside the filter cloth bag body, and the limiting net frame and the installation net frame are screw-connected.

[0013] In addition, preferably, an external thread part is arranged on the side of the installation net frame close to the through hole, an internal thread part is arranged on the side of the limiting net frame close to the installation net frame and located at the position of the external thread part, and the internal thread part and the external thread part are screw-connected.

[0014] In addition, preferably, a flow through hole is arranged below the ash collecting box body between the first cavity and the second cavity, a first guide block is arranged at the bottom of the first cavity in the ash collecting box body, and an inclined surface is arranged on the top of the first guide block and faces the second cavity.

[0015] In addition, preferably, a plurality of discharge ports are equidistantly arranged on the side of the ash collecting box body and located at the position of the second cavity, a sealing door plate is inserted into each discharge port on the side of the ash collecting box body, a plurality of second guide blocks are equidistantly arranged at the bottom of the second cavity in the ash collecting box body, and an inclined surface is arranged on the top of each second guide block and faces the discharge port.

[0016] The beneficial effects of the present application are as follows:

[0017] In the present application, the ash collecting box body is drawn into negative pressure by the exhaust fan body, so that the powder collected from the cyclone separator body is moved from the first cavity to the second cavity along the airflow, the first filter screen assembly and the second filter screen assembly are used for grading and filtering the powder, some small particles and impurities are removed from the powder, the quality of the recovered powder is improved, the powder is more suitable for subsequent reuse, and the third filter assembly is used for preventing dust particles from entering the exhaust fan body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The present application provides a spraying powder recycling device of a spraying equipment, and a structure diagram of the spraying powder recycling device is shown in the figure.

[0019] Figure 2 Structure diagram of the structure split for the dust collecting box body

[0020] Figure 3 Structure diagram of the cross section of the structure split for the dust collecting box body Figure 1 ;

[0021] Figure 4 Structure diagram of the cross section of the structure split for the dust collecting box body Figure 2 ;

[0022] Figure 5 Structure diagram of the first filter screen assembly.

[0023] In the figure: 1, the spraying equipment body; 2, the spraying powder recycling device body; 21, the cyclone separator body; 3, the dust collecting box body; 31, the sealing door plate; 4, the air extractor body; 5-1, the first filter screen assembly; 5-2, the second filter screen assembly; 51, the mounting frame body; 52, the fixed plate; 53, the sealing washer; 54, the limiting plate; 55, the I-shaped limiting block; 6, the third filter assembly; 61, the mounting screen frame; 62, the filter cloth bag body; 63, the limiting screen frame; 71, the first guide block; 72, the second guide block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0025] With reference to Figures 1-5 A spraying powder recycling device of a spraying equipment, comprising a spraying equipment body 1, a spraying powder recycling device body 2 is arranged on one side of the spraying equipment body 1, the spraying powder recycling device body 2 comprises a cyclone separator body 21, a dust collecting box body 3 is arranged below the cyclone separator body 21, a first cavity is arranged at the discharge port of the cyclone separator body 21 in the dust collecting box body 3, and a second cavity is arranged on the other side in the dust collecting box body 3. It is worth noting that the specific structure and working mode of the spraying equipment body 1 and the spraying powder recycling device body 2 are the existing technologies disclosed on the market at present, and do not belong to the main technical problems to be solved in the present technical scheme, so they will not be described in detail in the present application.

[0026] And, the first filter screen assembly 5-1, the second filter screen assembly 5-2 are sequentially inserted into the top of the ash collection box body 3 at the second cavity, the first filter screen assembly 5-1, the second filter screen assembly 5-2 are respectively provided with the first filter screen plate, the second filter screen plate, and the ash collection box body 3 is provided with the exhaust fan body 4 away from the cyclone separator body 21, the positive pressure end of the exhaust fan body 4 is connected with the ash collection box body 3, and the through hole is provided between the positive pressure end of the exhaust fan body 4 and the second cavity in the ash collection box body 3, and the third filter assembly 6 is provided outside the through hole in the second cavity, and the filter screen hole diameter of the first filter screen plate is greater than that of the second filter screen plate.

[0027] Meanwhile, the first filter screen assembly 5-1, the second filter screen assembly 5-2 all include an installation frame 51, a through groove is provided in the middle of the installation frame 51, and a fixed block is installed on the top of the installation frame 51, a limiting plate 54 is fixedly installed on the top of the fixed block, and a sealing washer 53 is sleeved below the fixed block outside the installation frame 51, and the sealing washer 53 ensures the sealing property of the first filter screen assembly 5-1 and the second filter screen assembly 5-2 after installation.

[0028] Meanwhile, a plurality of I-shaped limiting blocks 55 are installed at equal distances in the fixed block and the limiting plate 54, the I-shaped limiting block 55 includes a limiting portion, a connecting portion and a handle portion, the limiting portion is located in the fixed block, the connecting portion is fixedly installed on the top middle of the limiting portion, and the handle portion is fixedly installed on one end of the connecting portion penetrating the limiting plate 54, and it is worth noting that the limiting portion and the handle portion are both rectangular parallelepiped, and the limiting portion and the handle portion are in parallel state.

[0029] And, the movable cavity is provided in the fixed block at the limiting portion, and the clamping cavity is provided in the ash collection box body 3 at the limiting portion, and the limiting clamping groove is provided in the ash collection box body 3 at the first filter screen assembly 5-1 and the second filter screen assembly 5-2.

[0030] Further, the third filter assembly 6 includes an installation net frame 61, the installation net frame 61 is fixedly installed outside the through hole in the second cavity, and the filter cloth bag body 62 is sleeved outside the installation net frame 61, the limiting net frame 63 is sleeved outside the filter cloth bag body 62, and the limiting net frame 63 and the installation net frame 61 are screw-connected.

[0031] Further, the outer threaded portion is provided on one side of the outer wall of the installation net frame 61 close to the through hole, and the inner threaded portion is provided on one side of the limiting net frame 63 close to the installation net frame 61 at the outer threaded portion, and the inner threaded portion and the outer threaded portion are screw-connected.

[0032] And, the flow through hole is arranged through below the first cavity and the second cavity in the ash collection box body 3, and the first guide block 71 is arranged at the bottom of the first cavity in the ash collection box body 3, and the top of the first guide block 71 is provided with an inclined surface towards the second cavity.

[0033] And, a plurality of discharge ports are equidistantly arranged at one side of the ash collection box body 3 at the second cavity, and the sealing door plate 31 is inserted into the discharge port at one side of the ash collection box body 3, and a plurality of second guide blocks 72 are equidistantly arranged at the bottom of the second cavity in the ash collection box body 3, and the top of the second guide block 72 is provided with an inclined surface towards the discharge port.

[0034] In the embodiment, the ash collection box body 3 is extracted into negative pressure by the exhaust fan body 4, so that the powder collected from the cyclone separator body 21 is moved from the first cavity to the second cavity along with the airflow, wherein the powder is filtered by the first filter screen assembly 5-1 and the second filter screen assembly 5-2, so as to remove some small particles and impurities mixed in the powder, improve the quality of the recovered powder, and make the powder more suitable for subsequent reuse, and the third filter assembly 6 is arranged to prevent dust particles from entering the exhaust fan body 4.

[0035] And, the first filter screen assembly 5-1, the second filter screen assembly 5-2 and the third filter assembly 6 are detachable, the handle of the I-shaped limiting block 55 is rotated to be parallel to the limiting plate 54, the limiting portion of the I-shaped limiting block 55 is located in the fixed block, then the first filter screen assembly 5-1 and the second filter screen assembly 5-2 can be detached and taken out, and the limiting screen frame 63 is screwed and loosened to be disassembled, so that the filter bag body 62 can be disassembled, cleaned or replaced.

[0036] In the embodiment, the ash collection box body 3 is extracted into negative pressure by the exhaust fan body 4, so that the powder collected from the cyclone separator body 21 is moved from the first cavity to the second cavity along with the airflow, wherein the powder is filtered by the first filter screen assembly 5-1 and the second filter screen assembly 5-2, so as to remove some small particles and impurities mixed in the powder, improve the quality of the recovered powder, and make the powder more suitable for subsequent reuse, and the third filter assembly 6 is arranged to prevent dust particles from entering the exhaust fan body 4.

[0037] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A spray powder recovery device of a spray device, comprising a spray device body (1), characterized in that, The spraying equipment body (1) is provided with a spraying powder recycling device body (2) on one side, the spraying powder recycling device body (2) comprises a cyclone separator body (21), a dust collecting box body (3) is arranged below the cyclone separator body (21), a first cavity is formed at the discharge port of the cyclone separator body (21) in the dust collecting box body (3), and a second cavity is formed at the other side in the dust collecting box body (3); The first filter screen assembly (5-1) and the second filter screen assembly (5-2) are sequentially inserted into the second cavity at the top of the dust collecting box body (3), the first filter screen assembly (5-1) and the second filter screen assembly (5-2) are respectively provided with a first filter screen plate and a second filter screen plate, one side of the dust collecting box body (3) away from the cyclone separator body (21) is provided with an air extractor body (4), the positive pressure end of the air extractor body (4) is connected with the dust collecting box body (3), a through hole is formed between the positive pressure end of the air extractor body (4) and the second cavity in the dust collecting box body (3), and a third filter assembly (6) is arranged outside the through hole in the second cavity.

2. A spray powder recovery device for a spray device according to claim 1, characterized in that The first filter screen assembly (5-1) and the second filter screen assembly (5-2) all comprise an installation frame (51), a through groove is formed in the middle of the installation frame (51), a fixed block is arranged at the top of the installation frame (51), a limiting plate (54) is fixedly arranged at the top of the fixed block, and a sealing gasket (53) is arranged outside the installation frame (51) and below the fixed block.

3. A spray powder recovery device for a spray device according to claim 2, wherein, A plurality of I-shaped limiting blocks (55) are equidistantly arranged in the fixed block and the limiting plate (54), the I-shaped limiting block (55) comprises a limiting portion, a connecting portion and a handle portion, the limiting portion is arranged in the fixed block, the connecting portion is fixedly arranged at the middle of the top end of the limiting portion, and the handle portion is fixedly arranged at one end of the connecting portion and penetrates through the limiting plate (54).

4. A spray powder recovery device for a spray device according to claim 3, wherein, An active cavity is formed in the limiting portion in the fixed block, a clamping cavity is formed in the limiting portion in the dust collecting box body (3), and a limiting clamping groove is formed in the dust collecting box body (3) at the first filter screen assembly (5-1) and the second filter screen assembly (5-2).

5. A powder recovery device for a spray powder coating apparatus as defined in claim 1, wherein, The third filter assembly (6) comprises an installation net frame (61), the installation net frame (61) is fixedly arranged outside the through hole in the second cavity, a filter cloth bag body (62) is arranged outside the installation net frame (61), a limiting net frame (63) is arranged outside the filter cloth bag body (62), and the limiting net frame (63) and the installation net frame (61) are screw-connected.

6. A spray powder recovery device for a spray device according to claim 5, wherein, An external thread portion is arranged on one side of the outer wall of the installation net frame (61) and close to the through hole, and an internal thread portion is arranged on one side of the limiting net frame (63) and close to the installation net frame (61) and at the external thread portion, the internal thread portion and the external thread portion are screw-connected.

7. A powder recovery device for a spray powder coating system as defined in claim 1, wherein, A flow through hole is formed below the dust collecting box body (3) between the first cavity and the second cavity, a first guide block (71) is arranged at the bottom of the first cavity in the dust collecting box body (3), and an inclined surface is arranged on the top of the first guide block (71) and faces the second cavity.

8. A spray powder recovery device for a spray device as defined in claim 1, characterized in that A plurality of discharge ports are equidistantly arranged on one side of the ash collection box body (3) at the second cavity, and a sealing door plate (31) is inserted on one side of the ash collection box body (3) at the discharge port. A plurality of second guide blocks (72) are equidistantly arranged on the bottom of the second cavity in the ash collection box body (3), and an inclined surface is arranged on the top of the second guide block (72) towards the discharge port.