CN112473892B

CN112473892B - Coating sand mill for producing environment-friendly low-carbon coating

Info

Publication number: CN112473892B
Application number: CN202011203162.7A
Authority: CN
Inventors: 王瀚平; 谢方奎
Original assignee: Chongqing Xingyu New Materials Research Institute Co ltd; Chongqing Xingyu Paint Co ltd
Current assignee: Chongqing Xingyu New Materials Research Institute Co ltd; Chongqing Xingyu Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2022-03-29
Anticipated expiration: 2040-11-02
Also published as: CN112473892A

Abstract

The invention belongs to the technical field of coating production equipment, and particularly relates to a coating sand mill for producing an environment-friendly low-carbon coating, which comprises a motor output end fixedly connected with a motor, wherein a cold water chamber is arranged at the lower part of the motor output end, a drainage impeller is arranged in the cold water chamber, the drainage impeller is fixedly sleeved on the motor output end, a sand mill cylinder is arranged below the cold water chamber, a plurality of grinding sheets are fixedly connected to the side surface of the motor output end, a cooling outer partition plate is sleeved outside the sand mill cylinder, a water cooling layer is arranged between the cooling outer partition plate and the sand mill cylinder, the upper end of the water cooling layer is communicated with the lower side of the cold water chamber, a plurality of sieve holes annularly distributed by taking the motor output end as the circle center are arranged at the bottom of the sand mill cylinder, a screen mesh is arranged in each sieve hole, and a storage chamber is arranged at the lower end of the sand mill cylinder. The invention can greatly save cooling water and ensure the cooling effect of the sand grinding cylinder.

Description

Coating sand mill for producing environment-friendly low-carbon coating

Technical Field

The invention belongs to the technical field of coating production equipment, and particularly relates to a coating sand mill for producing an environment-friendly low-carbon coating.

Background

The coating sand mill is a processing device for stirring and grinding the coating in the production process of the coating. The coating sand mill that uses at present is equipped with the cooling jacket including the grinding vessel that is equipped with feed inlet and discharge gate outside the grinding vessel, be equipped with water inlet and delivery port on the cooling jacket, be provided with grinding pearl, pivot, screen cloth in the grinding vessel, the one end of pivot is worn out the grinding vessel and is connected with the motor through mechanical drive mechanism, has a plurality of abrasive discs in the welding of the pivot that lies in the grinding vessel. During operation, in the coating was imported into grinding vessel from the feed inlet, the motor drove pivot and grinding disk high-speed rotatory, thereby the grinding disk striking grinding bead of high-speed rotation makes the grinding bead carry out high-speed motion, and the grinding bead of high-speed motion forms the grinding effect to the coating in the grinding vessel, and the coating after the grinding passes the screen cloth and flows out from the discharge gate.

When the coating sander is used, the temperature is reduced in a water cooling mode, and the water cooling system is driven to independently run and flow in and out at a constant speed, so that when the water flow speed is controlled to be too high, a good cooling effect can be achieved, but great water resource waste can be caused, and the water heat absorption efficiency is not high; when the speed of the control water flow is too low, the cooling effect on the cylinder is poor, and the aim of cooling is difficult to achieve; simultaneously, because the storage device of sand mill easily takes place to harden at the in-process of stacking, very be unfavorable for the discharge and the transport of coating, in addition, at the in-process of discharging by storage device outside, often need rely on external strength to aspirate, accomplish and unload, not only need consume extra power, also can not reach better transport effect to the inside coating of storage device.

Therefore, we propose a coating sand mill for producing environment-friendly low-carbon coating to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems and provides a coating sand mill for producing environment-friendly low-carbon coatings, which can save water resources, ensure the cooling effect, prevent coatings from hardening and improve the unloading efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: a coating sand mill for producing environment-friendly low-carbon coating comprises a motor output end fixedly connected with a motor, and is characterized in that a cold water chamber is arranged at the lower part of the motor output end, a drainage impeller is arranged in the cold water chamber and fixedly sleeved on the motor output end, a sand mill cylinder is arranged below the cold water chamber, the motor output end extends out of the bottom of the cold water chamber and extends into the sand mill cylinder, a plurality of grinding sheets are fixedly connected to the side surface of the motor output end, which is positioned in the sand mill cylinder, an outer cooling partition plate is sleeved outside the sand mill cylinder, a water cooling layer is arranged between the outer cooling partition plate and the sand mill cylinder, the upper end of the water cooling layer is communicated with the lower side of the cold water chamber, a plurality of storage sieve meshes which are annularly distributed by taking the motor output end as the circle center are arranged at the bottom of the sand mill cylinder, a screen mesh is arranged in each sieve mesh, and a storage chamber is arranged at the lower end of the sand mill cylinder, the one end swing joint that the motor output passed sanding bobbin base portion is in the bottom of storage compartment, the lower extreme of motor output is equipped with down bevel gear, down bevel gear top be equipped with the puddler of a plurality of length differences on the motor output in the storage compartment.

In the paint sand mill for producing the environment-friendly low-carbon paint, the sand mill cylinder is spindle-shaped, and the lengths of the grinding sheets are gradually reduced from top to bottom.

In the coating sand mill for producing the environment-friendly low-carbon coating, a water inlet pipe is arranged on the upper side of the cold water chamber, the interior of the water inlet pipe is communicated with the cold water chamber, a drain pipe is arranged at the lower end of the cooling outer partition plate, and the drain pipe is communicated with the interior of the water passing cooling layer.

In foretell coating sand mill that production environmental protection low carbon coating used, the upper portion of a sand mill section of thick bamboo is equipped with the inlet pipe, the one end that the inlet pipe passed the outer baffle of cooling is equipped with the feed inlet that the level set up, the right side of feed inlet is equipped with the apron.

In foretell coating sand mill that production environmental protection low carbon coating used, the side meshing of bevel gear is connected with side bevel gear down, one side fixedly connected with conveying pole of bevel gear down is kept away from to side bevel gear, the outside fixedly connected with helical blade of conveying pole, the right side of storage compartment is equipped with the conveying pipeline, helical blade locates in the conveying pipeline, the downside of conveying pipeline is equipped with control flap, the right-hand member of conveying pipeline is equipped with hose nipple, hose nipple's right side is equipped with conveying hose.

In the coating sand mill for producing the environment-friendly low-carbon coating, one end of the conveying rod, which is close to the side bevel gear, is movably connected with a connecting rod, the right side of the upper end of the connecting rod is fixedly connected with a push-pull rod, one end of the push-pull rod, which penetrates through the outer wall of the storage chamber, is fixedly connected with a push-pull plate, the push-pull rod is in threaded connection with the storage chamber, two positioning blocks are arranged in the middle of the push-pull rod, and the two positioning blocks are respectively arranged on the inner side and the outer side of the storage chamber.

Compared with the prior art, the invention has the advantages that:

1. the motor output end is arranged to uniformly drive the drainage impeller, the grinding sheet, the stirring rod and the lower bevel gear, so that the failure rate of the coating sand mill during working is reduced, and the production efficiency is greatly improved.

2. Set up drainage impeller and motor output fixed connection, when carrying out the coating and grind, the grinding speed is faster, and the heat of production is more, and drainage impeller pivoted speed is just also faster simultaneously, and then rivers just also are faster at the cold water room and the flow speed of crossing between the water cooling layer, can save the water resource greatly, have guaranteed the radiating effect of cooling water simultaneously.

3. The cooling outer partition plate and the water cooling layer are arranged on the outer side of the sand grinding cylinder, so that the contact area between cooling water and the sand grinding cylinder is increased, sufficient heat exchange can be carried out between the cooling water and the sand grinding cylinder, and the cooling effect is guaranteed.

4. Set up a sanding section of thick bamboo and be fusiformis, make coating after getting into a sanding section of thick bamboo, move down under the effect of self gravity, the length of abrasive disc reduces gradually from last to down simultaneously, and the distance between a sanding section of thick bamboo reduces gradually, and coating is under the effect of gravity and shearing force, fully collides with the sand mill pearl, has further improved the grinding effect.

5. Set up the feed inlet and be the horizontality, the staff of being convenient for fills the coating, through covering the apron on the feed inlet after finishing filling, can effectively avoid coating at the in-process of grinding, from the interior effusion of dull and stereotyped section of thick bamboo, cause dust pollution.

6. The stirring rod is fixedly connected with the output end of the motor, so that the ground coating does not harden after entering the storage chamber, and the problem that the coating is hardened in the storage chamber to influence the unloading and the use of the coating is avoided.

7. Bevel gear and side bevel gear meshing are connected down in the setting, when needs are unloaded, and when carrying out the breakage, the rotation of accessible side bevel gear drives the conveying pole and rotates, because helical blade is the spiral setting, can carry the coating in the storage chamber to the conveying pipeline in, need not to set up other actuating mechanism and unload.

8. Set up conveying rod and connecting rod fixed connection, threaded connection between push-and-pull rod and the storage compartment, accessible pivoted mode adjustment side bevel gear's position can be fixed a position to side bevel gear fast through the locating piece, when needs are unloaded, with side bevel gear and bevel gear engagement down can, when not needing to unload, break away from side bevel gear and bevel gear down mutually, side bevel gear does not take place to rotate.

Drawings

FIG. 1 is a schematic structural diagram of a coating sand mill for producing an environmentally friendly low carbon coating according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a bottom plan view of a sanding cylinder of a paint sander for producing an environmentally friendly low carbon paint in accordance with the present invention;

FIG. 4 is an enlarged schematic view at B of FIG. 1;

FIG. 5 is a schematic structural diagram of a storage chamber of the coating sand mill for producing the environment-friendly low-carbon coating, provided by the invention, when the coating sand mill is not used for discharging.

In the figure, 1 motor output end, 2 cold water chamber, 3 water discharge impeller, 4 sand grinding cylinder, 5 cooling external clapboard, 6 grinding sheet, 7 water passing cooling layer, 8 material storage chamber, 9 water inlet pipe, 10 water outlet pipe, 11 material inlet pipe, 12 material inlet, 13 cover plate, 14 sieve hole, 15 stirring rod, 16 lower bevel gear, 17 side bevel gear, 18 conveying rod, 19 helical blade, 20 connecting rod, 21 push-pull rod, 22 positioning block, 23 push-pull plate, 24 material conveying pipe, 25 control valve, 26 hose joint, 27 material conveying hose.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1-5, a coating sand mill for producing environment-friendly low-carbon coating comprises a motor output end 1 fixedly connected with a motor, a cold water chamber 2 is arranged at the lower part of the motor output end 1, a drainage impeller 3 is arranged in the cold water chamber 2, the drainage impeller 3 is fixedly sleeved on the motor output end 1, the drainage impeller 3 can be driven to rotate when the motor output end 1 rotates, a sand mill cylinder 4 is arranged below the cold water chamber 2, a sand mill ball is arranged in the sand mill cylinder 4, a plurality of grinding sheets 6 are fixedly connected to the side surface of the motor output end 1, the grinding sheets 6 rotate along with the rotation of the motor output end 1, a cooling outer partition plate 5 is sleeved outside the sand mill cylinder 4, a water cooling layer 7 is arranged between the cooling outer partition plate 5 and the sand mill cylinder 4, the upper end of the water cooling layer 7 is communicated with the lower side of the cold water chamber 2, the cooling outer partition plate 5 and the water cooling layer 7 are arranged outside the sand mill cylinder 4, the contact area between the cooling water and the sand grinding cylinder 4 is increased, so that the cooling water can be fully subjected to heat exchange with the sand grinding cylinder 4, and the cooling effect is ensured.

The bottom of a sanding section of thick bamboo 4 is equipped with a plurality of sieve meshes 14 that use motor output 1 as centre of a circle annular distribution, be equipped with the screen cloth in the sieve mesh 14, the coating after the grinding downwards breaks away from a sanding section of thick bamboo 4 from sieve mesh 14 through the screen cloth, the lower extreme of a sanding section of thick bamboo 4 is equipped with storage compartment 8, be used for the coating after the storage grinding, motor output 1 passes the one end swing joint of a sanding section of thick bamboo 4 in the bottom of storage compartment 8, motor output 1's lower extreme is equipped with down bevel gear 16, lower bevel gear 16 rotates along with motor output 1's rotation, the top of lower bevel gear 16 is equipped with the puddler 15 that a plurality of lengths are different, set up puddler 15 and motor output 1 fixed connection, can make the coating after the grinding after getting into storage compartment 8, do not take place to harden, the problem of unloading and the use of influence coating that hardens in paint has been avoided leaving in coating storage compartment 8.

A sanding section of thick bamboo 4 is spindle shape, and the length of a plurality of abrasive sheets 6 is from top to bottom steadilyd decrease in proper order, sets up a sanding section of thick bamboo 4 and is spindle shape, makes coating after getting into a sanding section of thick bamboo 4, moves down under the effect of self gravity, and the length of abrasive sheet 6 reduces gradually from top to bottom simultaneously, and the distance between a sanding section of thick bamboo 4 reduces gradually, and coating is under the effect of gravity and shearing force, fully collides with the sand grinding pearl, has further improved the grinding effect.

The upper side of the cold water chamber 2 is provided with a water inlet pipe 9, the inside of the water inlet pipe 9 is communicated with the cold water chamber 2, the lower end of the cooling outer partition plate 5 is provided with a water discharge pipe 10, the water discharge pipe 10 is communicated with the inside of the water passing cooling layer 7, cold water enters the cold water chamber 2 through the water inlet pipe 9 and is pressurized by the water discharge impeller 3, and the cold water passes through the water passing cooling layer 7 for heat exchange and then is discharged from the water discharge pipe 10.

The upper portion of a sand mill section of thick bamboo 4 is equipped with inlet pipe 11, and the one end that inlet pipe 11 passed cooling outer baffle 5 is equipped with the feed inlet 12 that the level set up, and the right side of feed inlet 12 is equipped with apron 13, sets up feed inlet 12 and is the horizontality, and the staff of being convenient for fills the coating, finishes filling the back through covering apron 13 on feed inlet 12, can effectively avoid coating at the in-process of grinding, from escaping in the sand mill section of thick bamboo 4, cause dust pollution.

The side surface of the lower bevel gear 16 is connected with a side bevel gear 17 in a meshing manner, the outer parts of the lower bevel gear 16 and the side bevel gear 17 are provided with telescopic chambers, the condition that the meshing of the side bevel gear 17 and the lower bevel gear 16 is influenced by paint can be avoided, meanwhile, the length of each telescopic chamber can be changed according to the movement of the side bevel gear 17, when the side bevel gear 17 is attached to the lower bevel gear 16, the side of the side bevel gear 17, which is far away from the lower bevel gear 16, is fixedly connected with a conveying rod 18, the conveying rod 18 rotates along with the rotation of the side bevel gear 17, the outer side of the conveying rod 18 is fixedly connected with a spiral blade 19, when the conveying rod 18 rotates, the spiral blade 19 can convey materials in the storage chamber 8 through rotation, the right side of the storage chamber 8 is provided with a conveying pipe 24, the spiral blade 19 is arranged in the conveying pipe 24, when the spiral blade 19 rotates, the materials in the storage chamber 8 can be conveyed into the conveying pipe 24, the lower side of the conveying pipe 24 is provided with a control valve 25, the opening and closing of the conveying pipe 24 can be controlled through the control valve 25, the right end of the conveying pipe 24 is provided with a hose connector 26, the right side of the hose connector 26 is provided with a conveying hose 27, the hose connector 26 is arranged, a conveying channel of the conveying pipe 24 with a fixed length can be extended, and the grinding coating can be conveniently transferred.

One end of the conveying rod 18 close to the side bevel gear 17 is movably connected with a connecting rod 20, the connecting rod 20 can control the transverse displacement of the conveying rod 18, and further can realize the engagement and disengagement of the side bevel gear 17 and the lower bevel gear 16, the right side of the upper end of the connecting rod 20 is fixedly connected with a push-pull rod 21, the movement of the connecting rod 20 can be controlled through the push-pull rod 21, one end of the push-pull rod 21 penetrating through the outer wall of the storage chamber 8 is fixedly connected with a push-pull plate 23, the push-pull rod 21 is in threaded connection with the storage chamber 8, the movement of the push-pull rod 21 can be controlled through rotating the push-pull plate 23 by adopting a threaded connection mode, and further the movement of the side bevel gear 17 can be controlled, the middle part of the push-pull rod 21 is provided with two positioning blocks 22, the two positioning blocks 22 are respectively arranged at the inner side and the outer side of the storage chamber 8, and the engagement and the disengagement of the side bevel gear 17 and the lower bevel gear 16 can be accurately and rapidly realized through the inner and outer positioning blocks 22, the operating time of the staff is reduced.

The specific working principle of the above embodiment is as follows:

closing the control valve 25, rotating the push-pull plate 23 until the positioning block 22 at the inner side of the storage chamber 8 is attached to the inner wall of the storage chamber 8, and separating the side bevel gear 17 from the lower bevel gear 16 under the action of the push-pull rod 21 and the connecting rod 20; keeping the water inlet pipe 9 and the water discharge pipe 10 smooth, opening a motor fixedly connected with the motor output end 1, opening a cover plate 13, guiding the coating to be ground into the sand grinding cylinder 4 from a feed inlet 12, closing the cover plate 13, driving a water discharge impeller 3 to rotate by the rotation of the motor output end 1, enabling cooling water to enter a cold water chamber 2 through the water inlet pipe 9, conveying the cooling water into an aqueous cooling layer 7 between the sand grinding cylinder 4 and a cooling outer partition plate 5 for heat exchange under the action of the water discharge impeller 3, and discharging the sand grinding cylinder 4 through the water discharge pipe 10 after cooling; the coating enters the sand grinding cylinder 4, the sand grinding cylinder 4 is spindle-shaped, the coating moves downwards under the action of self gravity after entering the sand grinding cylinder 4, meanwhile, the length of the grinding sheet 6 is gradually reduced from top to bottom, the distance between the coating and the sand grinding cylinder 4 is gradually reduced, the coating fully collides with sanding beads under the action of gravity and shearing force, the grinding effect is further improved, and the ground coating enters the storage chamber 8 through a sieve pore 14 arranged at the bottom of the sand grinding cylinder 4; the rotation of the output end 1 of the motor drives the stirring rod 15 to rotate, and the ground coating does not harden after entering the storage chamber 8, so that the problem that the unloading and the use of the coating are influenced by the hardening formed when the coating is stored in the storage chamber 8 is avoided; when the material needs to be discharged, the control valve 25 is opened, the push-pull plate 23 is rotated until the outer positioning block 22 is attached to the outer wall of the material storage chamber 8, at this time, the side bevel gear 17 is meshed with the lower bevel gear 16, the rotating side bevel gear 17 of the lower bevel gear 16 rotates, further, the conveying rod 18 and the helical blade 19 rotate, and the paint in the material storage chamber 8 continuously enters the material conveying pipe 24 under the action of the helical blade 19, so that the paint is convenient to transfer.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The coating sand mill for producing the environment-friendly low-carbon coating comprises a motor output end (1) fixedly connected with a motor, and is characterized in that a cold water chamber (2) is arranged at the lower part of the motor output end (1), a drainage impeller (3) is arranged in the cold water chamber (2), the drainage impeller (3) is fixedly sleeved on the motor output end (1), a sand mill cylinder (4) is arranged below the cold water chamber (2), the motor output end (1) extends out of the bottom of the cold water chamber (2) and extends into the sand mill cylinder (4), a plurality of grinding sheets (6) are fixedly connected to the side surface of the motor output end (1) positioned in the sand mill cylinder (4), a cooling outer partition plate (5) is sleeved on the outer side of the sand mill cylinder (4), a water cooling layer (7) is arranged between the cooling outer partition plate (5) and the sand mill cylinder (4), the upper end of the water cooling layer (7) is communicated with the lower side of the cold water chamber (2), the bottom of the sand grinding cylinder (4) is provided with a plurality of sieve pores (14) which are annularly distributed by taking the motor output end (1) as a circle center, a screen is arranged in each sieve pore (14), the lower end of the sand grinding cylinder (4) is provided with a material storage chamber (8), one end, penetrating through the bottom of the sand grinding cylinder (4), of the motor output end (1) is movably connected to the bottom of the material storage chamber (8), the lower end of the motor output end (1) is provided with a lower bevel gear (16), and the motor output end (1) in the material storage chamber (8) above the lower bevel gear (16) is provided with a plurality of stirring rods (15) with different lengths;

the side surface of the lower bevel gear (16) is connected with a side bevel gear (17) in a meshed manner, one side, far away from the lower bevel gear (16), of the side bevel gear (17) is fixedly connected with a conveying rod (18), the outer side of the conveying rod (18) is fixedly connected with a helical blade (19), the right side of the storage chamber (8) is provided with a conveying pipe (24), the helical blade (19) is arranged in the conveying pipe (24), the lower side of the conveying pipe (24) is provided with a control valve (25), the right end of the conveying pipe (24) is provided with a hose connector (26), and the right side of the hose connector (26) is provided with a conveying hose (27);

the conveying device is characterized in that one end, close to the side bevel gear (17), of the conveying rod (18) is movably connected with a connecting rod (20), the right side of the upper end of the connecting rod (20) is fixedly connected with a push-pull rod (21), one end, penetrating through the outer wall of the storage chamber (8), of the push-pull rod (21) is fixedly connected with a push-pull plate (23), the push-pull rod (21) is in threaded connection with the storage chamber (8), two positioning blocks (22) are arranged in the middle of the push-pull rod (21), and the two positioning blocks (22) are respectively arranged on the inner side and the outer side of the storage chamber (8).

2. The coating sand mill for producing environment-friendly low-carbon coating according to claim 1, wherein the sand mill cylinder (4) is spindle-shaped, and the lengths of the grinding sheets (6) are gradually reduced from top to bottom.

3. The coating sand mill for producing environment-friendly low-carbon coating according to claim 1, wherein a water inlet pipe (9) is arranged on the upper side of the cold water chamber (2), the inside of the water inlet pipe (9) is communicated with the cold water chamber (2), a drain pipe (10) is arranged at the lower end of the cooling outer partition plate (5), and the drain pipe (10) is communicated with the inside of the water cooling layer (7).

4. The coating material sand mill for producing environment-friendly low-carbon coating material according to claim 1, wherein a feeding pipe (11) is arranged at the upper part of the sand mill barrel (4), a horizontally arranged feeding hole (12) is formed in one end, penetrating through the cooling outer partition plate (5), of the feeding pipe (11), and a cover plate (13) is arranged on the right side of the feeding hole (12).