CN212418150U

CN212418150U - Novel vertical grinding machine

Info

Publication number: CN212418150U
Application number: CN202020701296.0U
Authority: CN
Inventors: 邓崴
Original assignee: Zhenjiang Sitai Intelligent Equipment Technology Co ltd
Current assignee: Zhenjiang Sitai Intelligent Equipment Technology Co ltd
Priority date: 2019-07-16
Filing date: 2020-04-30
Publication date: 2021-01-29
Anticipated expiration: 2030-04-30
Also published as: CN212119736U; CN212119735U; CN111420585A; CN212119644U

Abstract

The utility model discloses a novel vertical grinder, which comprises a grinding component, a transmission mechanism and a power mechanism, wherein the grinding component comprises a grinding cavity, a main shaft, a dispersion disc, a plurality of baffle rings, a filter screen, an upper end cover and a lower end cover which are respectively arranged at the upper end and the lower end of the grinding cavity; the grinding cavity is provided with a hollow cavity, the dispersion disc comprises a plurality of grinding parts which are sequentially arranged from top to bottom, the grinding parts are arranged along the circumferential direction of the main shaft, a plurality of grinding beads are arranged in the cavity of the grinding cavity, and the transmission mechanism drives the main shaft to rotate under the driving of the power mechanism so as to drive the grinding parts to rotate and further drive the grinding beads to move. The utility model discloses a novel vertical mill can reach good grinding stirring effect, realizes the material degree of consistency, can discharge the remaining material in grinding the chamber again, and production efficiency is high, reduces operating personnel intensity of labour and health harm.

Description

Novel vertical grinding machine

Technical Field

The utility model relates to a vertical grinding machine field especially relates to a novel vertical grinding machine.

Background

The vertical grinding machine is a high-efficiency grinding device widely applied to industries such as coating, dye, printing ink, pesticide, papermaking and chemical engineering, and has the advantages of simple structure, stable start, high continuous production efficiency, convenient color change, easy cleaning, simple operation and the like. In order to meet the quality requirement, the materials need to be finely ground, but the conventional vertical grinding machine has a single grinding structure, an unsatisfactory grinding effect and insufficient uniformity in grinding, so that the special use requirement cannot be met, and the product quality is influenced. Although the existing horizontal grinding machine has a good grinding effect, the residual materials in the grinding cavity are more, and the materials cannot be effectively cleaned in time to cause material condensation.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a novel vertical grinding machine realizes, improves the grinding effect, improves production efficiency, technical scheme as follows:

the utility model provides a novel vertical grinder, the grinder includes grinding assembly, drive mechanism and power unit, grinding assembly includes grinding chamber, can stretch into the main shaft of grinding chamber, set up the dispersion impeller outside the main shaft, set up in a plurality of baffling rings of grinding chamber inner wall, set up in the filter screen of grinding chamber bottom and set up respectively in upper end cover and lower end cover of grinding chamber upper and lower both ends, be provided with material inlet and material outlet on the grinding chamber, the material inlet is close to grinding chamber upper portion, the material outlet sets up in grinding chamber bottom; the grinding cavity is provided with a hollow cavity, the dispersion disc comprises a plurality of grinding parts which are sequentially arranged from top to bottom, an interval is kept between every two adjacent grinding parts, the grinding parts are arranged along the circumferential direction of the main shaft, a plurality of grinding beads are arranged in the cavity of the grinding cavity, and the main shaft is driven to rotate by the transmission mechanism under the driving of the power mechanism so as to drive the grinding parts to rotate and further drive the grinding beads to move.

Further, the grinding cavity is communicated with an external compressed air automatic purging pipeline or a cleaning liquid pipeline, so that the compressed air or the cleaning liquid can enter the grinding cavity through the material inlet.

Furthermore, the grinding part is a two-blade, a three-blade or a multi-blade, and the baffling ring is of an annular structure.

Further, the inner part of the upper end cover and the inner part of the lower end cover are hollow structures capable of containing cooling media.

Furthermore, the transmission mechanism comprises a chain, a main belt pulley and a driven belt pulley which are oppositely arranged, the chain is wound on the main belt pulley and the driven belt pulley, the main belt pulley is connected with the power mechanism, and the driven belt pulley is connected with the main shaft.

Further, the grinding machine further comprises a lifting mechanism, the lifting mechanism comprises a hydraulic cylinder, a hydraulic oil tank, a hydraulic pump and a hydraulic electromagnetic valve group, a piston rod of the hydraulic cylinder is connected with a transmission mechanism, and the transmission mechanism drives the main shaft, the upper end cover and the dispersion disc to move under the driving of the hydraulic cylinder.

Further, a plurality of filtering holes are formed in the filter screen, and the diameter of each filtering hole is smaller than that of the grinding bead.

Further, the grinding cavity is a structure which is narrowed from top to bottom.

Further, a double mechanical sealing structure is arranged between the upper end cover and the main shaft.

Furthermore, the total volume of the grinding beads is 50-70% of the volume of the grinding cavity, the grinding beads are made of wear-resistant materials, and the wear-resistant materials are glass or ceramic.

The utility model provides a beneficial effect that technical scheme brought as follows:

a. the utility model relates to a novel vertical grinder, can reach good grinding stirring effect, realize the material degree of consistency to obtain even material solution, can discharge the remaining material in grinding chamber again, the cleaning performance is good, and the grinding time is short, and production efficiency is high, reduces operating personnel intensity of labour and health damage;

b. the utility model discloses a novel vertical grinding machine, the area demand is little, arranges in a flexible way, and it is convenient to maintain, long service life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a front view of a grinder of a novel vertical grinder provided by the embodiment of the invention.

Wherein the reference numerals include: 3-grinding machine, 31-grinding chamber, 32-dispersion disc, 33-filter screen, 34-lower end cover, 35-deflection ring, 36-upper end cover, 37-double mechanical seal, 38-main shaft, 39-auxiliary belt pulley, 40-main belt pulley, 51-power mechanism, 52-hydraulic cylinder, 53-equipment shell, 54-hydraulic electromagnetic valve group, 55-hydraulic pump, 56-hydraulic oil tank and 57-equipment base.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

In an embodiment of the utility model, a novel vertical mill machine is provided, specific structure refers to fig. 1, vertical mill machine 3 includes grinding unit, drive mechanism and power unit 51, grinding unit includes grinding chamber 31, can stretch into grinding chamber 31's main shaft 38, setting are in dispersion impeller 32, the setting outside the main shaft 38 are in grind a plurality of baffling rings 35, the setting of grinding chamber 31 inner wall are in grind the filter screen 33 of bottom in the chamber 31 and set up respectively grind the lower end cover 34 and the upper end cover 36 at chamber 31 both ends, grinding chamber 31 can not take place the displacement change at the grinding material in-process.

The specific structure of the grinding cavity 31 is as follows: the grinding chamber 31 is provided with a hollow cavity, a material inlet and a material outlet are arranged on the grinding chamber 31, and the material inlet is close to the upper part of the grinding chamber 31, as indicated by e in fig. 1; the material outlet is arranged at the bottom of the grinding chamber 31, as indicated by f in fig. 1, i.e. the material can continuously enter the grinding chamber 31 from top to bottom. The grinding chamber 31 is preferably of a structure narrowing from the top to the bottom, such as a conical structure, so that the material can be sufficiently ground when entering the grinding chamber.

The specific structure of the dispersion impeller 32 is as follows: the dispersion disc 32 includes a plurality of grinding members arranged in sequence from top to bottom, a distance is maintained between every two adjacent grinding members, the grinding members are arranged along the circumferential direction of the main shaft 38, the grinding members are two-blade type blades, three-blade type blades or multi-blade type blades, and an individual blade has various structural forms, for example, the individual blade can be a hollow fan ring shape with a certain thickness, or the blade has a strip structure, or the blade has a petal-shaped structure, and the blade is arranged obliquely relative to the horizontal plane, so that a good grinding and stirring effect can be achieved.

In an embodiment of the present invention, the specific structure of the transmission mechanism is as follows: the transmission mechanism comprises a main belt pulley 40 and a secondary belt pulley 39 which are oppositely arranged, the chain is wound on the main belt pulley 40 and the secondary belt pulley 39, the main belt pulley 40 is connected with a power mechanism 51, the secondary belt pulley 39 is connected with the main shaft 38, and the power mechanism 51 is preferably a main motor.

The grinding cavity 31 is internally provided with a plurality of grinding beads, the diameter of the grinding beads is determined according to the granularity of the ground material, and the total volume of the grinding beads is 50-70% of the volume of the grinding cavity 31. Under the driving of the power mechanism 51, the transmission mechanism drives the main shaft 38 to rotate, so as to drive the grinding part to rotate, the grinding part rotates to drive the grinding beads to turn up and down, the materials pass through the grinding cavity from top to bottom, the grinding beads in the cavity are driven by the dispersion disc to reversely contact with the materials from bottom to top and extrude and crush solid particles in the materials (some materials have solid particles, and the solid particles are dispersed by grinding, such as pulping of automobile catalyst slurry, a slurry preparation system must produce slurry with combination of catalyst additives, active ingredients and a base coating, and simultaneously, the slurry has good fluidity, uniformity and anti-settling stability, so that layering or particle agglomeration in the coating process is avoided, good grinding and stirring effects are achieved, the uniformity of the materials is realized, and a uniform material solution is obtained. The grinding beads are made of wear-resistant materials such as glass and ceramics.

Further, grind chamber 31 inner wall setting by a plurality of baffling rings 35, baffling ring 35 is the loop configuration, promptly baffling ring 35 pastes at the inner wall, when the material gets into the grinding chamber from material entry top-down, in main shaft 38 and dispersion impeller 32 are rotatory, through setting up baffling ring 35 for material liquid fully contacts with the dispersion impeller, prolongs contact time, in order to improve the grinding stirring effect.

Further, a filter screen 33 is arranged at the bottom in the grinding cavity 31, a plurality of filter holes are arranged on the filter screen 33, the diameter of each filter hole is smaller than that of the grinding beads, and the filter screen 33 is used for filtering impurities and preventing the grinding beads from flowing out to the material outlet.

The double mechanical sealing structure 37 is arranged between the upper end cover 36 and the main shaft 38, so that the sealing performance is enhanced, the overflow of materials in a grinding cavity is prevented, the double mechanical sealing structure 37 can be two sealing rings sleeved outside the main shaft, pressurized cooling water is communicated between the two sealing rings, the situation that the materials are extruded to enter the joints of the main shaft and the double mechanical sealing structure when the main shaft is operated can be prevented, partial heat generated at the joints of the main shaft and the double mechanical sealing structure when the main shaft rotates can be taken away by the cooling water, and when the main shaft rotates, the double mechanical sealing structure and the upper end cover do not rotate. The double mechanical seal is a relatively common mechanical rotary seal, and has multiple selectable brands and models, and the double mechanical seal structure is not limited in the application.

Further, the inside of the upper end cover 36 and the inside of the lower end cover 34 both have a hollow structure capable of accommodating a cooling medium, the upper and lower surfaces of the upper end cover 36 are flat plates, one of the upper and lower surfaces has a raised spiral flow guide groove on the inner side, and when the upper and lower surfaces are combined, the middle part is a suspended structure. After the suspended part of the outer circumference of the upper end cover 36 is welded and sealed, cooling water can be introduced, more heat can be generated in the grinding process of some materials to influence the performance of the materials, and the cooling water is introduced to reduce the temperature so as to maintain the performance of the materials.

The grinding machine further comprises a lifting mechanism, the lifting mechanism comprises a hydraulic cylinder 52, a hydraulic oil tank 56, a hydraulic pump 55 and a hydraulic electromagnetic valve group 54, the hydraulic oil tank 56, the hydraulic pump 55 and the hydraulic electromagnetic valve group 54 form a hydraulic loop, the hydraulic cylinder 52 and the hydraulic oil tank 56 are both arranged on an equipment base 57, a piston rod of the hydraulic cylinder 52 is connected with a transmission mechanism, the transmission mechanism drives the uniform movement to be separated from the grinding cavity 31 under the driving of the hydraulic cylinder 52, the internal part of the grinding cavity can be cleaned manually, and if the main shaft 38, the upper end cover 36 and the dispersion disc 32 move upwards to be separated from the grinding cavity 31, the main shaft 38 is far away from the grinding cavity 31; moving downwardly adjacent the grinding chamber 31 until the upper end cap 36 is positioned over the grinding chamber 31 with the spindle 38 partially within the grinding chamber 31.

The grinder is disposed within the equipment enclosure 53 for protection and ease of installation.

The novel vertical grinder provided by the application is suitable for materials with larger viscosity (slow flowing) and requires the production of the residual materials in a grinding cavity to be minimized, such as the grinding production of catalyst slurry with noble metal.

The application provides a novel vertical mill machine waits to grind the material and gets into through the material import and grinds the chamber to discharge from the material export, grind the material of accomplishing and can be discharged from lower part material export naturally by gravity.

Further, the grinding chamber 31 is communicated with an external compressed air automatic purging pipeline or a cleaning liquid pipeline, so that the compressed air or the cleaning liquid can enter the grinding chamber through the material inlet. When rinsing the grinding chamber, let in compressed air or washing liquid (or pure water) in order to wash the grinding chamber from the material entry, the washing back, the remaining material of piling up in the grinding chamber is very few, can not wash even without opening the grinding chamber, can effectively discharge and the sanitization the remaining material in the grinding chamber to reduce time and the work load that a large amount of manual works were torn open and were washed.

The application provides a novel vertical mill machine can be with the residue material discharge sanitization in grinding the chamber again when guaranteeing good grinding effect, and production efficiency is high, reduces operating personnel intensity of labour and health harm.

The utility model relates to a novel vertical grinder, can reach good grinding stirring effect, realize the material degree of consistency to obtain even material solution, can discharge the remaining material in grinding chamber again, the cleaning performance is good, and the grinding time is short, and production efficiency is high, reduces operating personnel intensity of labour and health damage; the floor area requirement is small, the arrangement is flexible, the maintenance is convenient, and the service life is long.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The novel vertical grinding machine is characterized in that the vertical grinding machine (3) comprises a grinding assembly, a transmission mechanism and a power mechanism (51), wherein the grinding assembly comprises a grinding cavity (31), a main shaft (38) capable of extending into the grinding cavity (31), a dispersion disc (32) arranged outside the main shaft (38), a plurality of baffle rings (35) arranged on the inner wall of the grinding cavity (31), a filter screen (33) arranged at the bottom in the grinding cavity (31), and an upper end cover (36) and a lower end cover (34) which are respectively arranged at the upper end and the lower end of the grinding cavity (31), the grinding cavity (31) is provided with a material inlet and a material outlet, the material inlet is close to the upper part of the grinding cavity (31), and the material outlet is arranged at the bottom of the grinding cavity (31);

the grinding cavity (31) is provided with a hollow cavity, the dispersion disc (32) comprises a plurality of grinding parts which are sequentially arranged from top to bottom, a space is kept between every two adjacent grinding parts, the grinding parts are arranged along the circumferential direction of the main shaft (38), a plurality of grinding beads are arranged in the cavity of the grinding cavity (31), and under the driving of the power mechanism (51), the transmission mechanism drives the main shaft (38) to rotate so as to drive the grinding parts to rotate and further drive the grinding beads to move.

2. The new vertical mill according to claim 1, characterized in that the grinding chamber (31) is in communication with an external compressed air automatic purge line or cleaning liquid line, so that the compressed air or cleaning liquid can enter the grinding chamber through the material inlet.

3. The vertical mill according to claim 1, characterized in that the grinding member is a two-bladed, three-bladed or multi-bladed vane, the deflector ring (35) being of annular configuration.

4. A novel vertical mill according to claim 1, characterised in that the inside of the upper end cap (36) and the inside of the lower end cap (34) are hollow structures capable of containing a cooling medium.

5. A novel vertical grinder as claimed in claim 1, characterised in that the transmission comprises a chain wound around the primary (40) and secondary (39) pulleys, the primary pulley (40) and the secondary pulley (39) being oppositely disposed, the primary pulley (40) being connected to a power mechanism (51), and the secondary pulley (39) being connected to the primary shaft (38).

6. The novel vertical grinding machine according to claim 1, characterized in that the grinding machine further comprises a lifting mechanism, the lifting mechanism comprises a hydraulic cylinder (52), a hydraulic oil tank (56), a hydraulic pump (55) and a hydraulic electromagnetic valve set (54), a piston rod of the hydraulic cylinder (52) is connected with a transmission mechanism, and the transmission mechanism drives the main shaft (38), the upper end cover (36) and the dispersion disc (32) to move under the driving of the hydraulic cylinder (52).

7. Vertical mill according to claim 1, characterized in that the sieve (33) is provided with a plurality of filtering holes having a diameter smaller than the diameter of the grinding beads.

8. A novel vertical mill according to claim 1, characterized in that the grinding chamber (31) is of a structure narrowing from the top downwards.

9. A novel vertical mill according to claim 1, characterised in that a double mechanical seal (37) is provided between the upper end cap (36) and the main shaft (38).

10. The vertical grinder as claimed in claim 1, wherein the total volume of the plurality of grinding beads is 50-70% of the volume of the grinding chamber (31), the grinding beads are made of a wear-resistant material, and the wear-resistant material is glass or ceramic.