Printing ink grinding device

Abstract

The utility model discloses a printing ink grinding device which comprises a grinding device body, a motor is installed on the top of the grinding device body, a motor shaft of the motor is connected with a rotating shaft through a coupler, a crushing hopper is arranged on the upper portion of the grinding device body, and a plurality of shear knives are arranged on the upper portion of the rotating shaft. The upper part of the rotating shaft is provided with a continuous upper spiral stirring blade, the middle part of the rotating shaft is provided with a grinding cutter, the inner side of the grinding device main body is provided with a grinding block corresponding to the grinding cutter, the lower part of the grinding device main body is provided with a discharging cavity, and the lower part of the grinding device main body is provided with a lower spiral stirring blade; the lower spiral stirring blade is arranged in the discharging cavity, and a discharging pipe communicating with the discharging cavity is arranged at the bottom of the grinding device body. The fine grinding machine is simple in structure, stable in operation, smooth in feeding and discharging, good in fine grinding treatment effect, sufficient in grinding, free of grinding dead angles, good in grinding effect, high in grinding efficiency and beneficial to batch production.

Description

TECHNICAL FIELD

[0001] The utility model relates to ink production equipment technical field, concretely relates to an ink grinding device. BACKGROUND

[0002] Water-based ink is called water ink for short, and flexible plate water-based ink is also called liquid ink, which is mainly composed of water-soluble resin, organic pigment, solvent and related additives through complex grinding processing. In the production of water-based ink, a grinding machine is needed to grind the raw materials. Through grinding and dispersion, it has enough fineness, gloss and coloring power. After filtration and packaging, it is a water-based ink product. However, the traditional ink grinding device will have some large particle raw materials during processing. When the large particle raw materials are directly introduced into the grinding area of the grinding machine, the material will be stacked. Moreover, the large particle raw materials will increase the grinding pressure, resulting in relatively low grinding efficiency. At the same time, the existing ink grinding device has many dead angles, which leads to insufficient grinding and poor grinding effect, which is not conducive to batch production. Therefore, in order to avoid the shortcomings in the prior art, it is necessary to improve the existing technology. SUMMARY

[0003] The utility model aims at overcoming the shortcomings and deficiencies in the prior art, and provides an ink grinding device with smooth grinding and high grinding efficiency.

[0004] The utility model is realized through the following technical schemes:

[0005] An ink grinding device comprises a grinding device main body, a motor is installed at the top of the grinding device main body, a motor shaft of the motor is connected with a rotating shaft through a shaft coupling, a crushing hopper is arranged at the upper part of the grinding device main body, a plurality of shearing knives are arranged at the upper part of the rotating shaft, the shearing knives are arranged on the inner side of the crushing hopper, a plurality of upper spiral stirring blades are sequentially arranged at the upper part of the rotating shaft, the upper spiral stirring blades are arranged below the shearing knives, a grinding knife is installed at the middle part of the rotating shaft, a grinding block corresponding to the grinding knife is arranged on the inner side of the grinding device main body, a discharging cavity is arranged at the lower part of the grinding device main body, a lower spiral stirring blade is arranged at the lower part of the grinding device main body, the lower spiral stirring blade is arranged in the discharging cavity, and a discharging pipe communicating with the discharging cavity is arranged at the bottom of the grinding device main body.

[0006] Further, a lower inclined surface is arranged on the outer side of the upper part of the grinding knife and inclined downward to the outer side of the grinding device main body, an upper inclined surface corresponding to the lower inclined surface is arranged at the lower part of the grinding block, and a flow guide inclined surface is arranged at the upper part of the grinding block and inclined downward to the inner side of the grinding device main body.

[0007] Further, the lower inclined surface and the upper inclined surface form a grinding gap, which is gradually reduced from top to bottom.

[0008] Further, the outer side of the middle part of the grinding knife is provided with an arc-shaped grinding convex strip, and the outer side of the lower part of the grinding block is provided with a grinding groove corresponding to the grinding convex strip.

[0009] Further, the lower part of the crushing hopper is in an inverted conical shape.

[0010] Further, the lower part of the crushing hopper is in an inverted conical shape.

[0011] Further, the lower part of the crushing hopper is in an inverted conical shape.

[0012] Further, the top of the crushing hopper is provided with a feeding hopper.

[0013] Further, the discharging pipe is provided with a discharging control valve.

[0014] Further, the bottom of the grinding device main body is provided with a supporting leg, which extends to the outside of the grinding device main body.

[0015] Compared with the prior art, the upper part of the rotating shaft is provided with a plurality of shearing knives, the shearing knives are arranged on the inner side of the crushing hopper, the upper part of the rotating shaft is provided with a continuous upper spiral stirring blade, the middle part of the rotating shaft is provided with a grinding knife, the inner side of the grinding device main body is provided with a grinding block corresponding to the grinding knife, the lower part of the grinding device main body is provided with a lower spiral stirring blade, and the lower spiral stirring blade is arranged in the discharging cavity. The ink feeding and discharging are smooth, the ink material of large particles is crushed by the shearing knife, the precision grinding pressure of the grinding device is relieved, the grinding efficiency of the grinding device is improved, the upper spiral stirring blade is beneficial to the smooth feeding of the ink, the lower spiral stirring blade is beneficial to the smooth discharging of the ink, the grinding knife and the grinding block are combined to grind the ink sufficiently, there is no dead angle in grinding, the grinding effect is good, the grinding efficiency is high, and batch production is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a structural schematic view of the ink grinding device of the present application.

[0018] Figure 2 for Figure 1 Enlarged view of part A;

[0019] Figure 3 This is a schematic diagram of the scraper of this utility model.

[0020] In the diagram: 1-Main body of the grinding device; 2-Motor; 3-Coupling; 4-Rotating shaft; 5-Crushing hopper; 6-Shearing blade; 7-Upper spiral mixing blade; 8-Grinding blade; 9-Grinding block; 10-Discharge chamber; 11-Lower spiral mixing blade; 12-Discharge pipe; 13-Lower inclined surface; 14-Upper inclined surface; 15-Guide inclined surface; 16-Grinding gap; 17-Grinding protrusion; 18-Grinding groove; 19-Feed chamber; 20-Buffer chamber; 21-Scraper; 22-Feed hopper; 23-Discharge control valve; 24-Support foot. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 3 The present invention discloses an ink grinding device, comprising a grinding device body 1, a motor 2 mounted on the top of the grinding device body 1, and the motor shaft of the motor 2 being connected by a coupling. 3The upper part of the grinding device body 1 is provided with a crushing hopper 5, the upper part of the rotating shaft 1 is provided with a plurality of shearing knives 6, the shearing knives 6 are arranged on the inner side of the crushing hopper 5, the upper part of the rotating shaft 4 is provided with a continuous upper spiral stirring blade 7, the upper spiral stirring blade 7 is arranged below the shearing knives 6, the middle part of the rotating shaft 4 is provided with a grinding knife 8, the inner side of the grinding device body 1 is provided with a grinding block 9 corresponding to the grinding knife 8, the lower part of the grinding device body 1 is provided with a discharging cavity 10, the lower part of the grinding device body 1 is provided with a lower spiral stirring blade 11, the lower spiral stirring blade 11 is arranged in the discharging cavity 10, and the bottom of the grinding device body 1 is provided with a discharging pipe 12 communicating with the discharging cavity 10. The upper part of the rotating shaft 4 is provided with a plurality of shearing knives 6, the shearing knives 6 are arranged on the inner side of the crushing hopper 5, the upper part of the rotating shaft 4 is provided with a continuous upper spiral stirring blade 7, the middle part of the rotating shaft 4 is provided with a grinding knife 8, the inner side of the grinding device body 1 is provided with a grinding block 9 corresponding to the grinding knife 8, the lower part of the grinding device body 1 is provided with a lower spiral stirring blade 11, and the lower spiral stirring blade 11 is arranged in the discharging cavity 10. The ink is smoothly fed and discharged, the ink material of large particles is crushed by the shearing knives 6, the pressure of the grinding device is relieved, and the grinding efficiency of the grinding device is also improved. The upper spiral stirring blade 7 is beneficial to the smooth feeding of the ink, the lower spiral stirring blade 11 is beneficial to the smooth discharging of the ink, the grinding knife 8 and the grinding block 9 are combined to grind the ink sufficiently, there is no dead angle for grinding, the grinding effect is good, the grinding efficiency is high, and batch production is facilitated.

[0023] The outer side of the upper part of the grinding knife 8 is provided with a lower inclined surface 13 inclined from top to bottom to the outer side of the grinding device body 1, the lower part of the grinding block 9 is provided with an upper inclined surface 14 corresponding to the lower inclined surface 13, and the upper part of the grinding block 9 is provided with a flow guide inclined surface 15 inclined downward from top to bottom to the inner side of the grinding device body 1, which is beneficial to the flow guide and sufficient grinding of the ink.

[0024] The lower inclined surface 13 and the upper inclined surface 14 form a grinding gap 16, the grinding gap 16 gradually decreases from top to bottom, which is beneficial to the smooth flow guide and sufficient grinding of the ink.

[0025] The outer side of the middle part of the grinding knife 8 is provided with an arc-shaped grinding convex strip 17, and the outer side of the lower part of the grinding block 9 is provided with a grinding groove 18 corresponding to the grinding convex strip 17, which deeply grinds the ink and improves the grinding fineness.

[0026] The lower part of the crushing hopper 5 is arranged in an inverted conical shape, so that the crushed ink can smoothly slide into the feeding cavity 19.

[0027] The lower part of the crushing hopper 5 is communicated with a feeding cavity 19, and the upper spiral stirring blade 7 is arranged in the feeding cavity 19, which is beneficial to the sufficient extrusion of the ink by the upper spiral stirring blade 7 to the grinding gap 16 for sufficient grinding.

[0028] A buffer cavity 20 is arranged below the grinding blade 8, the lower part of the buffer cavity 20 is arranged in an inverted conical shape, the lower part of the rotating shaft 4 is provided with a plurality of scrapers 21 corresponding to the sidewall of the lower part of the buffer cavity 20, which is beneficial to the continuous discharge of the ink, the scraper 21 scrapes the ink adhered to the sidewall of the lower part of the buffer cavity 20, prevents the ink from gathering, and affects the smoothness of the discharge and the grinding efficiency of the ink.

[0029] The top of the crushing hopper 5 is provided with an inlet hopper 22, which is convenient for feeding the ink.

[0030] The discharge pipe 12 is provided with a discharge control valve 23, which is convenient for controlling the discharge amount of the ink.

[0031] The bottom of the grinding device main body 1 is provided with a supporting leg 24, the supporting leg 24 extends to the outside of the grinding device main body 1, so that the ink grinding device is placed more stably and is used more stably.

[0032] The above only describes the preferred embodiment of the present application, and is not used to limit the present application, 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. An ink grinding device, characterized by: The grinding device comprises a grinding device body, a motor is mounted on the top of the grinding device body, a rotating shaft is connected to the motor shaft through a shaft coupling, a crushing hopper is arranged on the upper part of the grinding device body, a plurality of shearing knives are arranged on the upper part of the rotating shaft, the shearing knives are arranged on the inner side of the crushing hopper, a plurality of upper spiral stirring blades are sequentially arranged on the upper part of the rotating shaft, the upper spiral stirring blades are arranged below the shearing knives, a grinding knife is mounted on the middle part of the rotating shaft, a grinding block corresponding to the grinding knife is arranged on the inner side of the grinding device body, a discharging cavity is arranged on the lower part of the grinding device body, a lower spiral stirring blade is arranged in the discharging cavity, and a discharging pipe is arranged on the bottom of the grinding device body and communicates with the discharging cavity.

2. The ink mill apparatus of claim 1, wherein: An inclined surface is arranged on the outer side of the upper part of the grinding knife and inclined downward from top to bottom to the outer side of the grinding device body, an upper inclined surface corresponding to the inclined surface is arranged on the lower part of the grinding block, and a flow guide inclined surface is arranged on the upper part of the grinding block and inclined downward from top to bottom to the inner side of the grinding device body.

3. The ink mill apparatus of claim 2, wherein: The inclined surface and the upper inclined surface form a grinding gap, and the grinding gap gradually decreases from top to bottom.

4. The ink mill apparatus of claim 2, wherein: An arc-shaped grinding convex strip is arranged on the outer side of the middle part of the grinding knife, and a grinding groove corresponding to the grinding convex strip is arranged on the outer side of the lower part of the grinding block.

5. The ink mill apparatus of claim 1, wherein: The lower part of the crushing hopper is arranged in an inverted conical shape.

6. The ink mill apparatus of claim 1, wherein: A feeding cavity is arranged below the crushing hopper, and the upper spiral stirring blade is arranged in the feeding cavity.

7. The ink mill apparatus of claim 1, wherein: A buffer cavity is arranged below the grinding knife, the lower part of the buffer cavity is arranged in an inverted conical shape, and a plurality of scraper plates corresponding to the sidewall of the lower part of the buffer cavity are arranged on the lower part of the rotating shaft.

8. The ink mill apparatus of claim 1, wherein: A feeding hopper is arranged on the top of the crushing hopper.

9. The ink mill apparatus of claim 1, wherein: The discharging pipe is provided with a discharging control valve.

10. The ink mill apparatus of claim 1, wherein: Supporting legs are arranged on the bottom of the grinding device body and extend to the outer side of the grinding device body.

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