Waste paint slag dehydration device

By combining roller conveying and extrusion rollers with a steel wire mesh design, the problem of insufficient dewatering efficiency of waste paint residue in existing devices is solved, realizing continuous dewatering of waste paint residue and improving dewatering efficiency.

CN223763873UActive Publication Date: 2026-01-06BEIJING XINGHE ZHONGWEI TECH CO LTD
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Patent Information

Application Number
CN202423137860.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2026-01-06
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing waste paint residue dewatering devices cannot achieve continuous and efficient dewatering, resulting in insufficient dewatering efficiency.

Method used

The design employs roller conveyor and extrusion roller in conjunction with a steel wire filter screen. The rollers are driven to rotate by an electric motor, and the steel wire filter screen is transported by a conveyor belt. The extrusion rollers are controlled by a hydraulic push rod to extrude and dehydrate the waste paint residue.

Benefits of technology

It achieves continuous dehydration of waste paint residue, significantly improving dehydration efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waste paint slag dewatering device which comprises a dewatering conveying box, the inner walls of the two sides of the bottom of the dewatering conveying box are movably connected with two rollers through holes by using rotating shafts, the outer walls of the two ends of the two rollers are sleeved with conveying belt strips, and steel wire filter screens are fixedly arranged on the outer walls of the corresponding sides of the conveying belt strips. The outer walls of the two sides of the dewatering conveying box are movably connected with supporting rollers distributed at equal intervals through openings by using rotating shafts. The output shaft of the motor drives the roller to rotate, the roller drives the steel wire filter screen through the conveying belt to convey waste paint slag, the waste paint slag passes through the position between the supporting roller and the extrusion roller in the conveying process, and the output shaft of the hydraulic push rod descends to drive the extrusion roller to extrude the top of the steel wire filter screen. And the extrusion roller is matched to support the steel wire filter screen, the waste paint slag is rolled, water in the waste paint slag is extruded out, and the waste paint slag is continuously dehydrated.
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Description

Technical Field

[0001] This utility model relates to the field of waste paint residue recycling technology, specifically to a waste paint residue dewatering device. Background Technology

[0002] Waste paint residue refers to the residue generated from discarded paint or the residue produced by paint peeling off during painting. When recycling and processing waste paint residue, it is necessary to dehydrate the processed waste paint residue.

[0003] Existing dewatering devices typically consist of two groups: one group places waste paint residue into a drum for high-speed rotation and dewatering; the other group pours the waste paint residue into a filter cartridge for pressure filtration and dewatering. Neither of these methods can continuously dewater the waste paint residue, resulting in insufficient dewatering efficiency. Therefore, we propose a waste paint residue dewatering device. Utility Model Content

[0004] The purpose of this invention is to provide a waste paint residue dewatering device to address the aforementioned shortcomings in the technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a waste paint residue dewatering device, comprising a dewatering conveying box, wherein two rollers are movably connected to the inner walls of the bottom two sides of the dewatering conveying box via openings and rotating shafts, and conveyor belts are sleeved on the outer walls of the two rollers at both ends, and a steel wire filter screen is fixedly provided on the outer wall of the corresponding side of the conveyor belts, and support rollers are equidistantly distributed on the outer walls of the two sides of the dewatering conveying box via openings and rotating shafts, and lifting grooves are equidistantly distributed on the openings of the outer walls of the two sides of the dewatering conveying box, and a squeezing roller is provided between the corresponding lifting grooves, the squeezing roller being located directly above the support roller through the steel wire filter screen.

[0006] Preferably, a motor mounting cover is fixedly provided on one outer wall of the dehydration conveying box, and a motor is fixedly provided on the inner wall of the motor mounting cover. The output shaft of the motor is fixedly connected to the rotating shaft of the roller, so that the roller can be driven to rotate by the motor.

[0007] Preferably, a synchronous pulley is fixedly provided on the outer wall of one end of the two rollers, and a synchronous belt is sleeved on the outer wall of the two synchronous pulleys, so that the two rollers can be driven to rotate synchronously through the synchronous belt.

[0008] Preferably, the top outer wall of the dehydration conveying box is fixed with equally spaced fixing blocks, the bottom outer wall of the fixing blocks is fixed with a vertically downward hydraulic push rod, the output end of the hydraulic push rod is fixed with a fixing ring, the inner wall of the fixing ring is fixed with a bearing ring, the inner ring of the bearing ring is fixedly connected to the outer wall of the rotating shaft of the extrusion roller, and the hydraulic push rod facilitates the lifting and lowering of the extrusion roller.

[0009] Preferably, a hopper is fixedly provided on the outer wall of the top side of the dewatering conveying box through an opening, which facilitates the addition of waste paint residue into the present invention. A discharge port is opened on the outer wall of the bottom of the dewatering conveying box away from the hopper, which facilitates the discharge of the dewatered waste paint residue.

[0010] Preferably, a baffle plate is fixedly provided on the bottom inner wall of the discharge port, and a drain pipe is connected to the bottom outer wall of the dewatering conveying box through an opening, so that water at the bottom of the dewatering conveying box can be discharged through the drain pipe.

[0011] Preferably, the bottom of the dehydration conveying box is provided, and the top outer wall of the bottom is fixedly connected to the bottom outer wall of the dehydration conveying box by a bracket, so that the present invention can be placed in a designated position through the bottom.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0013] The output shaft of the electric motor drives the roller to rotate. The roller drives the steel wire mesh to transport the waste paint residue through the conveyor belt. During the transport of the waste paint residue, it passes between the support roller and the extrusion roller. The output shaft of the hydraulic push rod descends and drives the extrusion roller to squeeze the top of the steel wire mesh. The extrusion roller supports the steel wire mesh and crushes the waste paint residue, squeezing out the water from the waste paint residue. This continuous dewatering of the waste paint residue greatly improves the dewatering efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0015] Figure 1 This is a three-dimensional structural diagram of a waste paint residue dewatering device according to the present invention;

[0016] Figure 2 This is a schematic diagram of the internal structure of the dewatering conveyor box of a waste paint residue dewatering device according to this utility model;

[0017] Figure 3 This is a schematic diagram of the roller structure of a waste paint residue dewatering device according to the present invention;

[0018] Figure 4 This is a schematic diagram of the steel wire mesh structure of a waste paint residue dewatering device according to the present invention;

[0019] Figure 5 This is a schematic diagram of the extrusion roller structure of a waste paint residue dewatering device according to the present invention;

[0020] Figure 6 This is a schematic cross-sectional view of the dewatering conveyor box of a waste paint residue dewatering device according to this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Dewatering conveyor box, 2. Roller, 3. Motor mounting cover, 4. Motor, 5. Synchronous pulley, 6. Synchronous belt, 7. Conveyor belt strip, 8. Steel wire filter screen, 9. Support roller, 10. Extrusion roller, 11. Lifting groove, 12. Fixing block, 13. Hydraulic push rod, 14. Fixing ring, 15. Bearing ring, 16. Discharge hopper, 17. Bottom, 18. Discharge port, 19. Water baffle, 20. Drainage pipe. Detailed Implementation

[0023] The following drawings will disclose several embodiments of this utility model. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these physical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0024] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0025] Example 1

[0026] Refer to the instruction manual appendix Figure 1-6 A waste paint residue dewatering device includes a dewatering conveying box 1. Two rollers 2 are movably connected to the inner walls of the bottom two sides of the dewatering conveying box 1 through openings and rotating shafts. Conveyor belts 7 are sleeved on the outer walls of the two ends of the rollers 2. A steel wire filter screen 8 is fixedly provided on the outer wall of the corresponding side of the conveyor belts 7. Support rollers 9 are equidistantly distributed through openings and rotating shafts on the outer walls of the two sides of the dewatering conveying box 1. Lifting grooves 11 are equidistantly distributed through openings on the outer walls of the two sides of the dewatering conveying box 1. A squeezing roller 10 is provided between the corresponding lifting grooves 11. The squeezing roller 10 is located directly above the support rollers 9 through the steel wire filter screen 8.

[0027] Example 2

[0028] Based on Embodiment 1, a motor mounting cover 3 is fixedly installed on one side of the outer wall of the dehydration conveying box 1, and a motor 4 is fixedly installed on the inner wall of the motor mounting cover 3. The output shaft of the motor 4 is fixedly connected to the rotating shaft of the roller 2. The motor 4 facilitates the rotation of the roller 2. A synchronous wheel 5 is fixedly installed on the outer wall of one end of the two rollers 2, and a synchronous belt 6 is sleeved on the outer wall of the two synchronous wheels 5. The synchronous belt 6 facilitates the synchronous rotation of the two rollers 2.

[0029] Example 3

[0030] Based on Embodiment 1, the top outer wall of the dewatering conveying box 1 is fixed with equally spaced fixing blocks 12, the bottom outer wall of the fixing blocks 12 is fixed with a vertically downward hydraulic push rod 13, the output end of the hydraulic push rod 13 is fixed with a fixing ring 14, the inner wall of the fixing ring 14 is fixed with a bearing ring 15, the inner ring of the bearing ring 15 is fixedly connected to the outer wall of the rotating shaft of the extrusion roller 10, and the hydraulic push rod 13 facilitates the lifting and lowering of the extrusion roller 10. The top outer wall of the dewatering conveying box 1 is fixed with a feeding hopper 16 through an opening, and the feeding hopper 16 facilitates the addition of waste paint residue into this utility model. The bottom outer wall of the dewatering conveying box 1 away from the feeding hopper 16 has a discharge port 18, and the discharge port 18 facilitates the discharge of the dewatered waste paint residue.

[0031] Example 4

[0032] Based on Embodiment 1, a baffle plate 19 is fixedly provided on the bottom inner wall of the discharge port 18, and a drain pipe 20 is connected to the bottom outer wall of the dewatering conveying box 1 through an opening. The drain pipe 20 facilitates the discharge of water from the bottom of the dewatering conveying box 1. The bottom of the dewatering conveying box 1 is provided with a bottom 17, and the top outer wall of the bottom 17 is fixedly connected to the bottom outer wall of the dewatering conveying box 1 through a bracket. The bottom 17 facilitates the placement of this utility model in a designated position.

[0033] Working principle of this utility model:

[0034] Refer to the instruction manual appendix Figure 1-6In use, waste paint residue is poured into the dewatering conveying box 1 through the hopper 16. The waste paint residue falls onto the top of the wire mesh filter 8. At this time, the output shaft of the motor 4 drives the roller 2 to rotate. The synchronous belt 6, which is sleeved on the synchronous pulley 5 at one end of the roller 2, causes the two rollers 2 to rotate simultaneously. The two rollers 2 drive the wire mesh filter 8 to convey the waste paint residue through the conveyor belt 7. During the conveying process, the waste paint residue passes between the support roller 9 and the extrusion roller 10, and is lowered by the output shaft of the hydraulic push rod 13. The downward-moving extrusion roller 10 presses against the top of the wire mesh 8, supporting the wire mesh 8 and crushing the waste paint residue. This squeezes out the water from the waste paint residue, continuously dewatering it and greatly improving the dewatering efficiency. The squeezed-out water falls through the holes of the wire mesh 8 into the bottom of the dewatering conveyor box 1. The water at the bottom of the dewatering conveyor box 1 is discharged through the drain pipe 20. The squeezed waste paint residue moves in flakes to the end of the wire mesh 8 and falls off through the discharge port 18.

[0035] The above description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A waste paint sludge dewatering device comprising a dewatering conveyor box (1), characterized in that: Two roller barrels (2) are movably connected to the inner walls on both sides of the bottom of the dehydration conveying box (1) through openings using rotating shafts, the outer walls of both ends of the two roller barrels (2) are sleeved with conveying belt strips (7), the outer walls of one side of the conveying belt strips (7) are fixedly provided with steel wire screens (8), equidistantly distributed supporting rollers (9) are movably connected to the outer walls on both sides of the dehydration conveying box (1) through openings using rotating shafts, equidistantly distributed lifting grooves (11) are formed in the outer walls on both sides of the dehydration conveying box (1), and extrusion rollers (10) are arranged between the lifting grooves (11), and the extrusion rollers (10) are located directly above the supporting rollers (9) through the steel wire screens (8).

2. The waste paint sludge dewatering device according to claim 1, wherein: A motor fixing cover (3) is fixedly arranged on one outer wall of the dehydration conveying box (1), an electric motor (4) is fixedly arranged on the inner wall of the motor fixing cover (3), and the output shaft of the electric motor (4) is fixedly connected with the rotating shaft of the roller barrel (2).

3. The waste paint sludge dewatering device of claim 1, wherein: Synchronous wheels (5) are fixedly arranged on the outer walls of one end of the two roller barrels (2), and a synchronous belt (6) is sleeved on the outer walls of the two synchronous wheels (5).

4. The waste paint sludge dewatering device of claim 1, wherein: Equidistantly distributed fixing blocks (12) are fixedly arranged on the top outer wall of the dehydration conveying box (1), a hydraulic push rod (13) is fixedly arranged on the bottom outer wall of the fixing block (12) and vertically downward, a fixed ring (14) is fixedly arranged on the output end of the hydraulic push rod (13), a bearing ring (15) is fixedly arranged on the inner wall of the fixed ring (14), and the inner ring of the bearing ring (15) is fixedly connected with the rotating shaft outer wall of the extrusion roller (10).

5. The waste paint sludge dewatering device of claim 1, wherein: A feeding hopper (16) is fixedly arranged on one side of the top of the dehydration conveying box (1) through an opening, and a discharging port (18) is formed in the outer wall on one side of the bottom of the dehydration conveying box (1) away from the feeding hopper (16).

6. A waste paint sludge dewatering device as claimed in claim 5, wherein: A water baffle (19) is fixedly arranged on the bottom inner wall of the discharging port (18), and a drain pipe (20) is in communication with the outer wall on one side of the bottom of the dehydration conveying box (1) through an opening.

7. The waste paint sludge dewatering device of claim 1, wherein: The bottom (17) is arranged at the bottom of the dehydration conveying box (1), and the top outer wall of the bottom (17) is fixedly connected with the bottom outer wall of the dehydration conveying box (1) through a support.