A grinding device for disperse dyes

By designing the structure of the feed plate, feed trough, and sieve plate in the disperse dye grinding device, the problems of low grinding efficiency and uneven particle size caused by disperse dye accumulation were solved, achieving more efficient multi-stage grinding and sieving, and ensuring dye quality.

CN224371612UActive Publication Date: 2026-06-19ZHEJIANG SHUANG GUAN DYESTUFF CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG SHUANG GUAN DYESTUFF CO LTD
Filing Date
2025-06-18
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

During the grinding process of disperse dyes, disperse dyes tend to accumulate, resulting in poor grinding efficiency and effect, and some particles are relatively large.

Method used

A grinding device for disperse dyes was designed, including an inclined feed plate and a rotating grinding plate, combined with a feed trough and a sieve plate. The dye is uniformly conveyed through the feed trough, and multi-stage grinding and particle sieving are achieved by using multi-stage grinding rings and a sieving structure.

Benefits of technology

It improves the grinding efficiency and effect of disperse dyes, ensures particle uniformity, produces higher quality dyes, and avoids uneven grinding problems caused by accumulation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224371612U_ABST
    Figure CN224371612U_ABST
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Abstract

This utility model discloses a grinding device for disperse dyes, including a housing. An inlet for the disperse dye is provided at the upper end of the housing. An inclined downward-facing abutment plate and a grinding plate rotatably abutting against the abutment plate are disposed inside the housing. An annular groove is formed between the grinding plate and the inner wall of the housing. A dispersing plate is fixed on the grinding plate, vertically opposite to the inlet. A guide groove extending downwards to the annular groove is circumferentially distributed on the dispersing plate. The grinding plate and dispersing plate are arranged below the inlet, slowly rotating to transport the disperse dye to be ground from the inlet. The guide groove is circumferentially formed on the dispersing plate. The rotating dispersing plate cooperates with the guide groove to circumferentially and evenly transport the disperse dye to the annular groove. The disperse dye moves downwards through the annular groove to between the abutment plate and the grinding plate, where it is ground by the rotation of the grinding plate, thus achieving more thorough and efficient grinding of the disperse dye.
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Description

Technical Field

[0001] This utility model relates to the field of dye processing technology, and in particular to a grinding device for disperse dyes. Background Technology

[0002] Disperse dyes are a class of dyes with simple structures and no water-soluble groups. They are mainly used for dyeing and printing polyester fabrics and are currently one of the most in-demand dyes on the market. To ensure that disperse dyes dissolve and react quickly during use, they are generally ground to produce disperse dyes with relatively small particles and faster dissolution rates, thereby improving the dyeing efficiency and effect.

[0003] However, in the current process of grinding disperse dyes, the disperse dyes are often directly poured into the grinding device for fine grinding, which causes some disperse dyes to easily accumulate together, thereby affecting the grinding efficiency and grinding effect of the grinding device, and resulting in some disperse dyes having larger particles after grinding. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a grinding device for disperse dyes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A grinding device for disperse dyes includes a housing with a feed port for disperse dyes at the upper end of the housing. Inside the housing, there is a downwardly inclined abutment plate and a grinding plate that rotates against the abutment plate. An annular groove is formed between the grinding plate and the inner wall of the housing. A material distribution plate is fixed on the grinding plate and is vertically opposite to the feed port. The material distribution plate has guide grooves that extend downwardly to the annular groove in the circumferential direction.

[0007] Preferably, the guide trough is S-shaped and located at the upper end of the bulk material plate.

[0008] Preferably, the grinding plate is provided with a grinding ring that abuts against the abutment plate, and the grinding ring is multiple and concentrically fixed to the grinding plate.

[0009] Preferably, the gap between the plurality of grinding rings and the abutment plate gradually decreases from the outside to the inside.

[0010] Preferably, the material receiving plate has a discharge hole at its center, and the housing has a screen plate corresponding to the discharge hole above and below it. The screen plate has screen holes, and the discharge port on the housing is located below the screen holes.

[0011] Preferably, the housing is provided with a spring connecting to the outer periphery of the sieve plate, the sieve plate is fixed with a magnetic ring, and the housing is equipped with an electromagnet that is spaced vertically from the magnetic ring.

[0012] Preferably, the housing is provided with a discharge plate located below the sieve plate, and the discharge plate extends downward at an angle to the discharge port.

[0013] Preferably, a motor is mounted on the housing, and the output end of the motor is connected to the grinding plate.

[0014] The beneficial effects of this utility model are:

[0015] 1. A slowly rotating grinding plate and a material distribution plate are set below the feed inlet, and the disperse dye to be ground is slowly conveyed from the feed inlet. A guide groove is opened circumferentially on the material distribution plate. The rotating material distribution plate and the guide groove cooperate to convey the disperse dye circumferentially and evenly to the ring groove. The disperse dye moves downward through the ring groove to the space between the abutment plate and the grinding plate, so that the uniformly conveyed disperse dye is ground by the rotation of the grinding plate. This can more fully and efficiently grind the disperse dye, avoid the dispersion dye accumulation affecting its grinding effect, and greatly improve the grinding efficiency and effect of the disperse dye.

[0016] 2. A sieve plate is installed below the material receiving plate. The sieve plate vibrates up and down to screen the ground disperse dye, thereby filtering and separating large disperse dye particles, thus ensuring the quality of the output disperse dye and further ensuring the effect of subsequent use of disperse dye. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the present invention;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0021] Figure 5 This is a schematic diagram of the structure of the bulk material plate of this utility model.

[0022] In the figure: shell 1, feed port 11, material support plate 12, discharge hole 121, ring groove 13, discharge plate 14, discharge port 15, grinding plate 2, grinding ring 21, material distribution plate 22, material guide groove 23, motor 24, sieve plate 3, sieve hole 31, magnetic ring 32, spring 33, electromagnet 34. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] In the description of this specification, the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] like Figures 1-5 As shown, a grinding device for disperse dyes includes a housing 1, with a disperse dye inlet 11 at the upper end of the housing 1 and an outlet 15 at the lower part of the housing 1 for conveying the ground disperse dye.

[0026] The housing 1 is provided with a downwardly inclined abutment plate 12 and a grinding plate 2 that rotatably abuts against the abutment plate 12. The abutment plate 12 is funnel-shaped with a high outer periphery and a low center. The outer periphery of the abutment plate 12 is fixed to the inner wall of the housing 1. A motor 24 is installed on the housing 1. The output end of the motor 24 is connected to the grinding plate 2, and the grinding plate 2 is driven to rotate slowly by the motor 24.

[0027] A material distribution plate 22 is fixed on the grinding plate 2, which is opposite to the feed inlet 11. The material distribution plate 22 is welded and fixed to the grinding plate 2, and the outer periphery of the grinding plate 2 and the material distribution plate 22 are consistent. The material distribution plate 22 is set with a high center and a low outer periphery. An annular groove 13 is formed between the grinding plate 2 and the inner wall of the housing 1. The lower end of the annular groove 13 extends to the space between the abutment plate 12 and the grinding plate 2.

[0028] The disperse dye to be ground is slowly conveyed from the feed inlet 11 to the feed plate 22. The feed plate 22 has circumferentially distributed guide grooves 23 that extend downward to the annular groove 13. The guide grooves 23 are S-shaped and located at the upper end of the feed plate 22. The S-shaped guide grooves 23 allow the disperse dye to slide more slowly from the feed plate 22. As the feed plate 22 rotates, it circumferentially and evenly conveys the disperse dye to be ground into the annular groove 13.

[0029] Furthermore, the disperse dye moves downward through the annular groove 13 to the space between the feed plate 12 and the grinding plate 2, so that the disperse dye is uniformly fed by the rotation of the grinding plate 2. This allows for more thorough and efficient grinding of the disperse dye, avoiding the impact of disperse dye accumulation on its grinding effect, and greatly improving the grinding efficiency and effect of the disperse dye.

[0030] The grinding plate 2 is provided with grinding rings 21 that abut against the abutment plate 12. There are multiple grinding rings 21 and they are concentrically fixed to the grinding plate 2. The gap between the multiple grinding rings 21 and the abutment plate 12 gradually decreases from the outside to the inside, so that the disperse dye can be ground in multiple stages from coarse particles to fine particles through the multiple grinding rings 21, so that the grinding effect of the disperse dye is better.

[0031] The material support plate 12 has a discharge hole 121 at its center. The housing 1 is provided with a screen plate 3 that corresponds to the discharge hole 121. The housing 1 is provided with a spring 33 that connects to the outer periphery of the screen plate 3. The screen plate 3 is elastically connected to the housing 1 by the spring 33.

[0032] A magnetic ring 32 is fixed on the sieve plate 3, and an electromagnet 34 is installed on the housing 1 at intervals above and below the magnetic ring 32. The electromagnet 34 electromagnetically attracts the magnetic ring 32 to drive the sieve plate 3 to move upward. The sieve plate 3 has sieve holes 31. By intermittently attracting the magnetic ring 32, the sieve plate 3 is driven to move up and down periodically, so that the disperse dye with smaller particles passes through the sieve holes 31 and is retained on the sieve plate 3.

[0033] Furthermore, a discharge port 15 is provided below the sieve hole 31 on the housing 1, and a discharge plate 14 is provided inside the housing 1 located below the sieve plate 3. The discharge plate 14 extends downward at an incline to the discharge port 15, and the disperse dye screened from the sieve plate 3 is transported to the discharge port 15 through the discharge plate 14.

[0034] The ground disperse dye is sieved by the vibrating sieve plate 3 to filter and separate large particles of disperse dye, thereby ensuring the quality of the output disperse dye and further ensuring the effect of subsequent use of disperse dye.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A grinding device for disperse dyes, comprising a shell (1), an upper end of the shell (1) being provided with a feeding port (11) for disperse dyes, characterized in that: The housing (1) is provided with a downward inclined abutment plate (12) and a grinding plate (2) that rotates against the abutment plate (12). An annular groove (13) is formed between the grinding plate (2) and the inner wall of the housing (1). A material distribution plate (22) is fixed on the grinding plate (2) and is vertically opposite to the feed inlet (11). A material guide groove (23) that extends downward to the annular groove (13) is distributed circumferentially on the material distribution plate (22).

2. A mill for dispersing dyes as claimed in claim 1, characterized in that: The guide trough (23) is S-shaped and located at the upper end of the bulk material plate (22).

3. A mill for dispersing dyes as claimed in claim 1, characterized in that: The grinding plate (2) is provided with a grinding ring (21) that abuts against the abutting plate (12). There are multiple grinding rings (21) and they are concentrically fixed to the grinding plate (2).

4. A mill for dispersing dyes as claimed in claim 3, characterized in that: The gap between the multiple grinding rings (21) and the abutment plate (12) gradually decreases from the outside to the inside.

5. A mill for dispersing dyes as claimed in any one of claims 1 to 4, characterized in that: The material receiving plate (12) has a feeding hole (121) at its center. The housing (1) has a screen plate (3) that corresponds to the feeding hole (121) above and below. The screen plate (3) has a screen hole (31) and a discharge port (15) is provided below the screen hole (31) on the housing (1).

6. A mill for dispersing dyes as claimed in claim 5, characterized in that: The housing (1) is provided with a spring (33) that connects to the outer periphery of the sieve plate (3), a magnetic ring (32) is fixed on the sieve plate (3), and an electromagnet (34) is installed on the housing (1) at intervals above and below the magnetic ring (32).

7. A mill for dispersing dyes as claimed in claim 5, characterized in that: The housing (1) is provided with a discharge plate (14) located below the sieve plate (3), and the discharge plate (14) extends downward at an angle to the discharge port (15).

8. The grinding apparatus for disperse dyes as described in claim 1, characterized in that: A motor (24) is installed on the housing (1), and the output end of the motor (24) is connected to the grinding plate (2).