CN212791280U

CN212791280U - Sand mill with cooling and filtering functions

Info

Publication number: CN212791280U
Application number: CN202021136284.4U
Authority: CN
Inventors: 王永; 段钰; 裴俊
Original assignee: Hunan Weibang Automotive Paint Co ltd
Current assignee: Hunan Weibang Automotive Paint Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-26
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a sand mill with cooling and filtering functions, which is used for processing the grain diameter of materials into micron or even nano-scale, and relates to the technical field of sand mills; the utility model discloses a grinding barrel, transitional cavity, control box, the top in transitional cavity is provided with grinding barrel and control box, and one side and the control box of grinding barrel are connected, and the opposite side communicates with the transitional cavity, grinding barrel one end is provided with the feed inlet, and the other end is provided with the filter screen, is provided with grinding mechanism and temperature sensor in this grinding barrel, be provided with temperature control spare and PLC controller in the control box, this PLC controller and temperature sensor, temperature control spare, grinding mechanism electric connection, the bottom in transitional cavity is the slope setting, and the high end corresponds the filter screen, and the low end is provided with the discharging pipe of taking the valve, the transitional cavity is supported by the support, and grinding barrel and control box are fixed on the transitional cavity through the support frame; the utility model discloses make the finished product granularity more even, the quality is higher.

Description

Sand mill with cooling and filtering functions

Technical Field

The utility model provides a sand mill of area cooling filtering capability for handle the particle diameter of material for micron nanometer even, the utility model relates to a sand mill technical field.

Background

In the sanding process, sanding media such as zirconium balls and the like generate strong friction with materials to be ground and generate a large amount of heat, so that the temperature of the cavity in the sanding machine is overhigh, the overhigh grinding temperature is not beneficial to maintaining the original performances of the materials to be ground, and meanwhile, the overhigh temperature can destroy the reliability of a sealing member at the joint of a sanding cavity and a sanding motor, so that the problem of leakage caused by untight sealing of the sanding machine is caused; in the existing equipment, a centrifugal pump is used for circulating cooling liquid to cool a sand mill, but the temperature of the cooling liquid is difficult to be effectively monitored, once the temperature exceeds the standard, an operator is difficult to know immediately, so that the cooling is invalid, and if no circulating water exists in a cooling pipeline damaged by the centrifugal pump in the use process, the existing cooling device cannot respond to the situation in time; cooling failures can also be caused, and the phenomena often reduce the cooling effect, thereby influencing the service life of the sand mill; in addition, the existing sand mill for grinding alumina only has one cavity, adopts an intermittent grinding process, feeds materials at one time, and discharges materials when the central granularity D50 reaches the requirement; because the material hardness is great, the grinding time is too long, the large granule and the small granule have the same grinding time, some granules are ground to be too fine, and some granules do not meet the requirement of granularity yet, so that the time is wasted, the granularity distribution is wide, and the consistency of the product quality is seriously influenced.

Disclosure of Invention

The utility model aims to provide a: the provided sand mill with the cooling and filtering functions has the advantages that in the grinding process, materials meeting the requirement of the granularity are directly filtered out, the materials which do not meet the requirement are continuously ground in the grinding cavity, the granularity of finished products is more uniform, materials can be newly added in the grinding process, and the continuity of the process is ensured.

The utility model adopts the technical scheme as follows: the utility model provides a sand mill of area cooling filtering capability, includes grinding barrel, transition chamber, control box, the top in transition chamber is provided with grinding barrel and control box, grinding barrel's one side and control box are connected, opposite side and transition chamber intercommunication, grinding barrel one end is provided with the feed inlet, and the other end is provided with the filter screen, be provided with grinding mechanism and temperature sensor in the grinding barrel, be provided with temperature control spare and PLC controller in the control box, this PLC controller and temperature sensor, temperature control spare, grinding mechanism electric connection, the bottom in transition chamber is the slope setting, and the high-end corresponds the filter screen, and the low side is provided with the discharging pipe of taking the valve, the transition chamber is supported by the support, and grinding barrel and control box pass through the support frame to be fixed on the transition chamber.

The utility model discloses a theory of operation does: the utility model discloses a transition intracavity is provided with grinding barrel and control box, is provided with motor, water tank, cooler, solenoid valve and PLC controller in the control box, and motor drive grinding blade, propulsion blade, doctor-bar in the grinding barrel are rotatory, and the propulsion blade makes the material move forward and grind, and the grinding blade smashes the material, and the doctor-bar clears up the filter screen, prevents that large granule material from blockking up the filter screen, the motor is installed on the water tank, has the micropump in the water tank, has the cooler outside the water tank, and inlet tube one end communicates with the micropump, and the other end communicates with the cooling jacket after communicating cooler and solenoid valve, and the interlayer cavity water injection cooling of grinding chamber and cooling jacket, and this cooling jacket bottom is provided with the outlet pipe that communicates with the water tank, and the rethread outlet pipe flows back to the water tank after cold water injection, makes water cycle use, and occupation space is also little, working environment is good, the bottom in transition chamber is the setting of slope, and the low side is provided with the discharging pipe of taking the valve, and the high-end corresponds the filter screen export, and the material filters out the back from the filter screen, slides to discharging pipe department, because the transition chamber is confined, and the inlet pipe is also confined, and feeding and ejection of compact do not follow external direct contact, have reduced the influence of environment to the product, make the product quality higher.

The grinding cylinder comprises a grinding cavity and a cooling jacket, the cooling jacket is arranged on the outer wall of the grinding cavity, a temperature sensor is arranged in the cooling jacket, and the interlayer cavities of the grinding cavity and the cooling jacket are communicated with a temperature control part; can automatically control the temperature and ensure the quality of products.

The grinding mechanism comprises a rotating shaft, a pushing blade, a grinding blade, a scraping blade and a motor, the rotating shaft is horizontally arranged in a grinding cavity, one end of the rotating shaft is connected with a bearing above the filter screen, the other end of the rotating shaft extends out of the grinding cavity and is connected with the motor, the middle of the rotating shaft in the grinding cavity is provided with the grinding blade, the two ends of the rotating shaft are provided with the pushing blade, and the rotating shaft is also connected with the scraping blade in contact with the front side and the; not only can filter out the particles meeting the requirements in time, but also can prevent the filter screen from being blocked.

The propelling blade is a conical spiral blade; the material is pushed continuously by a forward moving thrust.

The temperature control part comprises a water tank, a cooler, a solenoid valve, a micropump, a water outlet pipe and a water inlet pipe, one end of the water inlet pipe is communicated with the upper end of the cooling jacket, the other end of the water inlet pipe is communicated with the cooler and then extends into the water tank and the micropump, the solenoid valve is arranged on the water inlet pipe, one end of the water outlet pipe is communicated with the low end of the cooling jacket, the other end of the water outlet pipe is communicated with the water tank, the cooler, the solenoid valve, the micropump and the PLC are electrically connected, and the solenoid valve can provide proper flow according to.

The water tank is made of transparent materials, and the top of the water tank is also provided with a water inlet; the water level of the water tank can be visually observed, and water can be supplemented when needed.

A cleaning door is arranged at the high end of the transition cavity; the door can be opened during cleaning, and the door can be opened for treatment when the material flow power is insufficient.

A PLC controller is arranged on the outer side of the control box; the man-machine exchange operation is convenient.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses grinding the chamber and setting up the cooling jacket of taking temperature sensor outward, when the temperature reached the settlement scope, the PLC controller started cooler, solenoid valve, micropump and sprayed the cooling to the cooling jacket, and the water after the cooling is got back to water tank recooling and is circulated the use, plays automatic rapid cooling's use.

The utility model discloses the both ends of the grinding blade who grinds the intracavity setting still are provided with the propulsion blade, make the material remove to filter screen department at the in-process of grinding, and the tow sides of this filter screen all are provided with the doctor-bar, and the doctor-bar can effectively prevent the filter screen and block, and the filter screen can filter the material that reaches the granularity to the transition intracavity, and not only finished product material granularity is even, but also can put in the raw materials in succession, can continuous production, has improved work efficiency.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a sectional view taken along line A-A of the present invention;

labeled as: 1-grinding cylinder body, 2-transition cavity, 3-control box, 4-bracket, 5-PLC controller, 6-feeding hole, 7-water inlet pipe, 8-discharging pipe, 9-valve, 11-grinding cavity, 12-cooling jacket, 13-temperature sensor, 14-rotating shaft, 15-propelling blade, 16-grinding blade, 17-scraping blade, 18-filtering screen, 19-supporting frame, 21-cleaning door, 31-water tank, 32-motor, 33-cooler, 34-electromagnetic valve, 35-micro pump and 36-water outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

Example 1

As shown in figure 1, the sand mill with the cooling and filtering functions comprises a grinding cylinder body 1, a transition cavity 2 and a control box 3, a grinding cylinder body 1 and a control box 3 are arranged above the transition cavity 2, one side of the grinding cylinder body 1 is connected with the control box 3, the other side is communicated with the transition cavity 2, a feed inlet 6 is arranged at one end of the grinding cylinder body 1, a filter screen 18 is arranged at the other end of the grinding cylinder body 1, a grinding mechanism and a temperature sensor 13 are arranged in the grinding cylinder body 1, a temperature control component and a PLC 5 are arranged in the control box 3, the PLC controller 5 is electrically connected with a temperature sensor 13, a temperature control piece and a grinding mechanism, the bottom of the transition cavity 2 is obliquely arranged, the high end of the transition cavity corresponds to the filter screen 18, the low end of the transition cavity is provided with a discharge pipe 8 with a valve 9, the transition cavity 2 is supported by the support 4, and the grinding cylinder body 1 and the control box 3 are fixed on the transition cavity through the support frame 19.

The utility model discloses a theory of operation does: the utility model discloses a be provided with grinding barrel 1 and control box 3 in the transition chamber, be provided with motor 32, water tank 31, cooler 33, solenoid valve 34 and PLC controller 5 in the control box 3, motor 32 drive grinding blade 16 in grinding barrel 1, impel blade 15, doctor-bar 17 to rotate, impel blade 15 and make the material move forward and grind, grinding blade 16 smashes the material, doctor-bar 17 clears up filter screen 18, prevents that large granule material from blockking up filter screen 18, motor 32 installs on water tank 31, has micropump 35 in the water tank 31, has cooler 33 outside water tank 31, and inlet tube 7 one end communicates with micropump 35, and the other end communicates with cooling jacket 12 after communicating with cooler 33 and solenoid valve 34, for the intermediate layer cavity cooling water injection of grinding chamber 11 and cooling jacket 12, this cooling jacket 12 bottom is provided with outlet pipe 36 that communicates with water tank 31, cold water rethread outlet pipe 36 flows back to water tank 31 after pouring into, make water cycle use, occupation space is also little, also is difficult for getting wet the place, and operational environment is good, the bottom of transition chamber is the setting of slope, and the low side is provided with the discharging pipe 8 of taking valve 9, and the high-end corresponds the export of filter screen 18, and the material filters out the back from filter screen 18, slips 8 departments of discharging pipe, because the transition chamber is confined, the feeding pipe is also confined, and feeding and ejection of compact do not follow external direct contact, have reduced the influence of environment to the product, make the product quality higher.

Example 2

On the basis of the embodiment 1, the grinding cylinder body 1 comprises a grinding cavity 11 and a cooling jacket 12, wherein the cooling jacket 12 is arranged on the outer wall of the grinding cavity 11, a temperature sensor 13 is arranged in the cooling jacket 12, and the interlayer cavities of the grinding cavity 11 and the cooling jacket 12 are communicated with a temperature control piece; can automatically control the temperature and ensure the quality of products.

Example 3

On the basis of embodiment 2, the grinding mechanism comprises a rotating shaft 14, a propelling blade 15, a grinding blade 16, a scraping blade 17 and a motor 32, wherein the rotating shaft 14 is horizontally arranged in a grinding cavity 11, one end of the rotating shaft is connected with a bearing above a filter screen 18, the other end of the rotating shaft extends out of the grinding cavity 11 and is connected with the motor 32, the rotating shaft 14 positioned in the grinding cavity 11 is provided with the grinding blade 16 in the middle, the propelling blades 15 are arranged at two ends of the rotating shaft, the propelling directions of the propelling blades are the same and are propelled towards the filter screen, and the tail end of the rotating shaft is connected with the scraping blade 17 which is in contact with the; not only can timely filter out the particles meeting the requirements, but also can prevent the filter screen 18 from being blocked.

Example 4

On the basis of embodiment 3, the propelling blade 15 is a conical helical blade; the material is pushed continuously by a forward moving thrust.

Example 5

On the basis of embodiment 1, the temperature control part includes water tank 31, cooler 33, solenoid valve 34, micropump 35, outlet pipe 36, inlet tube 7, the one end of inlet tube 7 communicates with the upper end of cooling jacket 12, and the other end stretches into water tank 31 and micropump 35 after communicating with cooler 33 and communicates, is provided with solenoid valve 34 on this inlet tube 7, outlet pipe 36 one end communicates with the low end of cooling jacket 12, and the other end communicates with water tank 31, cooler 33, solenoid valve 34, micropump 35 and PLC controller 5 electric connection, and solenoid valve 34 can provide suitable flow according to the information that temperature sensor 13 sent.

Example 6

On the basis of the embodiment 5, the water tank 31 is made of transparent material, and the top of the water tank is also provided with a water inlet; the water level of the water tank 31 can be visually observed, and water can be supplemented when needed.

Example 7

On the basis of the embodiment 1, a cleaning door 21 is arranged at the high end of the transition cavity; the door can be opened during cleaning, and the cleaning door can be opened for treatment when the material flow power is insufficient.

Example 8

On the basis of the embodiment 1, a PLC (programmable logic controller) 5 is arranged outside the control box 3; the man-machine exchange operation is convenient.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. A sand mill with a cooling and filtering function comprises a grinding cylinder body (1), a transition cavity (2) and a control box (3), wherein the grinding cylinder body (1) and the control box (3) are arranged above the transition cavity (2), one side of the grinding cylinder body (1) is connected with the control box (3), the other side of the grinding cylinder body is communicated with the transition cavity (2), the sand mill is characterized in that a feeding hole (6) is formed in one end of the grinding cylinder body (1), a filter screen (18) is arranged at the other end of the grinding cylinder body, a grinding mechanism and a temperature sensor (13) are arranged in the grinding cylinder body (1), a temperature control piece and a PLC (5) are arranged in the control box (3), the PLC (5) is electrically connected with the temperature sensor (13), the temperature control piece and the grinding mechanism, the bottom of the transition cavity (2) is obliquely arranged, the high end of the PLC corresponds to the filter screen (18), and the low, the transition cavity (2) is supported by a support (4), and the grinding cylinder body (1) and the control box (3) are fixed on the transition cavity through a support frame (19).

2. The sand mill with the cooling and filtering function as claimed in claim 1, wherein the grinding cylinder body (1) comprises a grinding cavity (11) and a cooling jacket (12), the cooling jacket (12) is arranged on the outer wall of the grinding cavity (11), a temperature sensor (13) is installed in the cooling jacket (12), and the interlayer cavities of the grinding cavity (11) and the cooling jacket (12) are communicated with a temperature control element.

3. The sand mill with the cooling and filtering functions as claimed in claim 2, wherein the grinding mechanism comprises a rotating shaft (14), a propelling blade (15), a grinding blade (16), a scraping blade (17) and a motor (32), the rotating shaft (14) is horizontally arranged in a grinding cavity (11), one end of the rotating shaft is connected with a bearing above the filter screen (18), the other end of the rotating shaft extends out of the grinding cavity (11) and is connected with the motor (32), the rotating shaft (14) in the grinding cavity (11) is provided with the grinding blade (16) in the middle, the propelling blade (15) is arranged at two ends of the rotating shaft, and the rotating shaft is also connected with the scraping blade (17) in contact with the front surface and the back surface of the filter screen (18).

4. A sander with cooling and filtering functions as set forth in claim 3, characterized in that said propelling blade (15) is a conical helical blade.

5. The sand mill with the cooling and filtering functions as claimed in claim 1, wherein the temperature control element comprises a water tank (31), a cooler (33), an electromagnetic valve (34), a micropump (35), a water outlet pipe (36) and a water inlet pipe (7), one end of the water inlet pipe (7) is communicated with the upper end of the cooling jacket (12), the other end of the water inlet pipe is communicated with the cooler (33) and then extends into the water tank (31) to be communicated with the micropump (35), the electromagnetic valve (34) is arranged on the water inlet pipe (7), one end of the water outlet pipe (36) is communicated with the lower end of the cooling jacket (12), the other end of the water outlet pipe is communicated with the water tank (31), and the cooler (33), the electromagnetic valve (34) and the micropump (35) are electrically connected with the PLC.

6. A sand mill with cooling and filtering functions as claimed in claim 5, characterized in that the water tank (31) is made of transparent material and is provided with a water inlet at the top.

7. A sander with a cooling and filtering function according to claim 1, characterized in that the high end of the transition chamber (2) is also provided with a cleaning door (21).

8. A sand mill with cooling and filtering functions as claimed in claim 1, characterized in that a PLC (5) is arranged outside the control box (3).