CN207446379U - Sand mill - Google Patents

Abstract

The utility model provides a kind of sand mill, including pedestal, the mainframe box and grinding cavit being arranged on the pedestal, the motor being arranged on the mainframe box and the main shaft being connected with the motor, the main shaft is arranged in the grinding cavit, the pedestal is equipped with cooling water main pipeline entrance, air driven pump and component cooling water entrance, the grinding cavit is equipped with feed inlet and outlet, cooling water entrance, abrasive media entrance and insulation jacket, the insulation jacket is engaged the control in vivo temperature of grinding chamber with cooling water, the main shaft is equipped with dispersion rotor and material import and export control slurry is fully ground and efficiently separates with abrasive media.Sand mill provided by the utility model extends the service life of equipment, and dispersion effect is good, improves the uniformity and stability of final products, will not block and wear while rolling pulley, care and maintenance easy to disassemble are mounted in grinding cavit.

Description

Sand mill

Technical field

The utility model is related to slurry manufacturing equipment field more particularly to a kind of sand mills.

Background technology

Sand mill belongs to wet ultra-fine grinding equipment, is mainly used for the fluid products such as ink, coating, paint, nano-powder Wet grinding, abrasive media used is generally zirconium oxide bead, bead, zirconium silicate pearl etc..In general ink, coating, oil It paints, in the production process of nano-powder particle, generally requires to be ground the bulky grain in raw material using sand mill, disperse Then use.Sand mill is at work, it is necessary first to add in corresponding abrasive media, by belt pulley main shaft be driven to transport at a high speed Turn, using the collision that the abrasive media of high intensity is violent with larger raw materials particles inside grinding cavit, between formed cut Shear force makes bulky grain constantly refine, and common sand mill can not be such that slurry is separated well with abrasive media first, so that slurry The abrasive media of abrasion is mixed in material, secondly in the adstante febre that runs at high speed for a long time, grinding cavit internal mechanical can not be made quickly Sealing cooling in time cannot keep suitable temperature under colder environment, is easily damaged equipment, reduces the service life, shadow Ring production.

Utility model content

In view of this, it is necessary to a kind of sand mill be provided, be more easy to use, can effectively control temperature and slurry and grinding medium The separation of matter.

A kind of sand mill, the sand mill include pedestal, the mainframe box being arranged on the pedestal and grinding cavit, setting Motor on the mainframe box and the main shaft being connected with the motor, the main shaft are arranged in the grinding cavit, institute Pedestal is stated equipped with cooling water main pipeline entrance, air driven pump and component cooling water entrance, the grinding cavit is equipped with disengaging Material mouth, cooling water entrance, abrasive media entrance and insulation jacket, described in the insulation jacket with cooling water is engaged control The in vivo temperature of grinding chamber, the main shaft is equipped with dispersion rotor and material import and export control slurry and abrasive media are fully ground and Separation.

Further, the dispersion rotor center passes through the bolter network selection stream equipped with bolter network selection for slurry Go out.

Further, the insulation jacket two bottom sides are equipped with stent, and the branch is provided with pulley, the grinding cavit energy Enough moved by the pulley.

Further, the pedestal is additionally provided with pulley groove, and the pulley is arranged in the pulley groove, and can be along described Pulley groove moves.

Further, the discharge opening pipeline is connected with thermometer, and the thermometer is used to detect the temperature of the discharge port Degree variation.

Further, the feed inlet pipeline is connected with pressure gauge, and the pressure gauge is used to monitor in the grinding cavit The pressure change in portion.

Further, the component cooling water inlet calibre is more than outlet bore.

Further, using interior between the component cooling water entrance and grinding cavit top the cooling water entrance The high-low temperature resistant rubber tube for having steel wire connects.

Further, the main shaft is connected with the motor by gear drive.

Further, the grinding cavit outer wall is equipped with a jacket layer, the jacket layer and the grinding cavit outer wall An accommodating space is formed, the accommodating space is used to load cooling water.

Sand mill provided by the utility model maintains to grind by expanding cooling water inlet bore and increasing insulation jacket Inside cavity suitable temperature so that mechanical seal is hardly damaged, extends the service life of equipment；Dynamic centrifugal point is used From system, the centrifugal force that drives medium rotation using separation rotor and generate makes medium be thrown toward rotor outer periphery to enclose, pass through separation Sieve, slurry can smoothly be flowed out by sieve gap, will not block and wear；It is installed simultaneously in grinding cavit Rolling pulley, care and maintenance easy to disassemble.

Description of the drawings

Fig. 1 is the structure diagram of the sand mill in one embodiment of the utility model.

Fig. 2 is the structure diagram of the main shaft in one embodiment of the utility model.

Main element symbol description

Following specific embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that described embodiment be only the part of the embodiment of the utility model rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower all other embodiments obtained, shall fall within the protection scope of the present invention.

It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it Can be set directly on another component or may be simultaneously present component placed in the middle.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more relevant Listed Items.

It please refers to Fig.1 and Fig. 2, Fig. 1 is the structure diagram of the sand mill 100 in one embodiment of the utility model, institute It states sand mill 100 and is mainly used for grinding slurry, the sand mill 100 includes pedestal 10, mainframe box 20, main shaft 30 and grinding cavit 40, the mainframe box 20 and the grinding cavit 40 are arranged on the pedestal 10, and the main shaft 30 is arranged at the grinding In cavity 40.

The pedestal 10 is cold equipped with cooling water main pipeline entrance 11, cooling water main pipeline outlet 12, air driven pump 13, equipment But water inlet 14, component cooling water outlet 15 and sliding slot 16.10 bottom of pedestal is equipped with water tank 17, in the water tank 17 The cooling of 100 integral device of sand mill is used for equipped with cooling water, the cooling water main pipeline entrance 11 to connect external cooling For cooling water to be injected in the water tank 17, the cooling water main pipeline entrance 11 and cooling water supervisor say at water source Mouth 12 keeps cooling effect, the air driven pump 13 is used for slurry for the replacements circulation of cooling water in the water tank 17 Material is pumped in the grinding cavit 40, and the bore of the component cooling water entrance 14 is more than component cooling water outlet 15 Bore, the inflow of cooling water is more than water yield, for enhancing cooling effect.

The mainframe box 20 is equipped with control panel 21, magnetic valve 22 and motor 23.The control panel 21 is used to control The operating of the air driven pump 13, magnetic valve 22 and motor 23, the magnetic valve 22 are used to control rotating speed and the institute of the motor 23 The power of air driven pump 13 is stated, the motor 23 rotates required kinetic energy for providing the main shaft 30.

As shown in Fig. 2, the main shaft 30 is closed for hollow cylinder and one end, the main shaft 30 is equipped with homodisperse rotor 31 and material manhole appendix 32, the main shaft 30 be sequentially connected with the motor 23, the rotation of the motor 23 can drive described Main shaft 30 rotates, and in present embodiment, the motor 23 passes through belt and a transmission axis connection, the transmission shaft (figure is not shown) First gear (figure is not shown) is equipped with, the main shaft 30 is equipped with second gear (figure is not shown), and the motor 23 passes through belt The first gear on the transmission shaft is driven to be rotated with the second gear engagement rotation and then the drive main shaft 30, institute First gear size is stated more than the second gear, convenient for reaching rotating speed requirement, the dispersion rotor 31 drives abrasive media to turn Centrifugal force that is dynamic and generating makes abrasive media be thrown toward the outside of the dispersion rotor 31, can efficiently separate slurry and grinding medium Matter, the material manhole appendix 32 are used for the outflow of finished product slurry after grinding.30 hollow space of main shaft is equipped with separating screen (figure Do not show), the separating screen is engaged to separate bulky grain and finished product slurry with the material manhole appendix 32, convenient for finished product The outflow of slurry avoids occurring to block and wearing.

The grinding cavit 40 is equipped with feed inlet 41, discharge port 42, cooling water inlet 43, cooling water outlet 44, grinding Medium inlet 45, abrasive media outlet 46, jacket layer 47 and insulation jacket 48,41 pipeline of feed inlet are connected with pressure gauge, The pressure gauge is used to monitor the pressure change in the grinding cavit 40, and being conveniently adjusted the amount of charging prevents the grinding cavit Pressure in 40 is excessive to cause production accident, and 42 pipeline of discharge port is connected with thermometer, and the thermometer is starched for monitoring The drop temperature of material controls temperature in rational scope convenient for the variation according to temperature.The cooling water inlet 43 and institute It states cooling water outlet 44 to be arranged in the jacket layer 47, the jacket layer 47 coats the grinding cavit 40, the thermal insulation clamp The 48 cladding jacket layer 47 of set, forms an accommodating space 49 between the jacket layer 47 and the grinding cavit 40, described Accommodating space 49 is used to load cooling water.The cooling water flows in the duct by gravity and hydraulic pressure.

The grinding cavit 40 is also associated with an independently arranged fluid reservoir (figure is not shown), is equipped in the fluid reservoir anti- Freeze liquid, the sealed end of the main shaft 30 is equipped with a space with 40 junction of grinding cavit, and the space is described for circulating Anti-icing fluid, the anti-icing fluid are used to protect the sealed end of the main shaft 30 with the leakproofness of 40 junction of grinding cavit, institute Fluid reservoir is stated equipped with hydraulic column, may determine that whether the leakproofness of junction is intact by the variation of the hydraulic column.

The cooling water inlet 43 and the cooling water outlet 44 and the component cooling water entrance 14 and component cooling water It is correspondingly connected between outlet 15 using hose, it is ensured that the leakproofness and security of equipment.

In the present embodiment, the hose is the interior high-low temperature resistant rubber tube for having steel wire.

The insulation jacket 48 is arranged on the outer wall of the jacket layer 47, and the insulation jacket 48 is used to be kept for adding for stabilization Work temperature improves processing efficiency, and in the present embodiment, the insulation jacket 48 is made of asbestos, is coated on the jacket layer 47 outer surfaces, the insulation jacket 48 can slow down cooling water temperature and be lost in when temperature is high in the grinding cavit 40, improve Cooling time, when processing request is not achieved in temperature, the insulation jacket 48 can slow down 40 internal temperature of grinding cavit Diffusion, 48 two bottom sides of insulation jacket are equipped with stent (figure do not show), and the branch is provided with pulley (figure is not shown), institute It states pulley to be arranged in the sliding slot 16, the grinding cavit 40 can be moved by the pulley, when needs are ground to described It when being safeguarded inside mill chamber body 40, can be moved by the pulley, carrying is simple laborsaving, and maintaining is more convenient.

When the sand mill 100 works, slurry to be ground is pumped to from the feed inlet 41 through the air driven pump 13 In the grinding cavit 40, abrasive media is added from abrasive media entrance 45, the motor is controlled by the control panel 21 23 rotate, and the main shaft 30 starts to rotate under the drive of the motor 23, and the dispersion rotor 31 drives the abrasive media The centrifugal force generated is rotated with slurry to be ground makes the abrasive media get rid of the outside to the dispersion rotor 31, finished pulp Material flowed out by the material manhole appendix 32 through the separating screen aperture by the discharge port 42, the bulky grain slurry then by Separating screen barrier continues grinding until can be by the separation screening, cooling water and the insulation jacket while processing 48 are engaged the processing temperature for keeping stable, ensure product quality and equipment safety.

Sand mill provided by the utility model maintains to grind by expanding cooling water inlet bore and increasing insulation jacket Inside cavity suitable temperature so that mechanical seal is hardly damaged, extends the service life of equipment；Dynamic centrifugal point is used It from system, can prevent abrasive media from sinking to grinding cavit bottom, make whole abrasive medias that can be sheared with material Effect, dispersion effect is good, improves the uniformity and stability of final products, will not block and wear；It is grinding simultaneously Rolling pulley, care and maintenance easy to disassemble are mounted on cavity.

Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate that this practicality is new Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to above real The appropriate change and variation that the mode of applying is made all falls in the scope of the requires of the utility model protection.

Claims (10)

1. a kind of sand mill, it is characterised in that：The sand mill includes pedestal, the mainframe box being arranged on the pedestal and grinding Cavity, the motor being arranged on the mainframe box and the main shaft being connected with the motor, the main shaft are arranged at the grinding In cavity, the pedestal is equipped with cooling water main pipeline entrance, air driven pump and component cooling water entrance, the grinding cavit Equipped with inlet port and outlet port, cooling water entrance, abrasive media entrance and insulation jacket, the insulation jacket and cooling water The control in vivo temperature of grinding chamber is engaged, the main shaft is equipped with dispersion rotor and material import and export control slurry and grinding Medium is fully ground and separates.

2. sand mill as described in claim 1, it is characterised in that：The dispersion rotor center is equipped with bolter network selection for starching Material is flowed out by the bolter network selection.

3. sand mill as described in claim 1, it is characterised in that：The insulation jacket two bottom sides are equipped with stent, the branch Pulley is provided with, the grinding cavit can be moved by the pulley.

4. sand mill as claimed in claim 3, it is characterised in that：The pedestal is additionally provided with pulley groove, and the pulley is arranged at In the pulley groove, and it can be moved along the pulley groove.

5. sand mill as described in claim 1, it is characterised in that：The discharge opening pipeline is connected with thermometer, the temperature Table is used to detect the temperature change of the discharge port.

6. sand mill as described in claim 1, it is characterised in that：The feed inlet pipeline is connected with pressure gauge, the pressure Table is used to monitor the pressure change inside the grinding cavit.

7. sand mill as described in claim 1, it is characterised in that：The component cooling water inlet calibre is more than outlet bore.

8. sand mill as described in claim 1, it is characterised in that：The component cooling water entrance and institute above grinding cavit The high-low temperature resistant rubber tube that state has steel wire between cooling water entrance in connects.

9. sand mill as described in claim 1, it is characterised in that：The main shaft is connected with the motor by gear drive.

10. sand mill as described in claim 1, it is characterised in that：The grinding cavit outer wall is equipped with a jacket layer, described Jacket layer forms an accommodating space with the grinding cavit outer wall, and the accommodating space is used to load cooling water.