CN210496640U

CN210496640U - Horizontal sand mill with cooling function

Info

Publication number: CN210496640U
Application number: CN201920778838.1U
Authority: CN
Inventors: 孔维兵
Original assignee: Yunnan Wanli Chemical Paint Co Ltd
Current assignee: Yunnan Wanli Chemical Paint Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-05-12
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a horizontal sand mill with cooling function, including casing, main shaft and a plurality of sand abrasive disc, the inner wall fixedly connected with screen cloth of casing, the round hole has all been opened to one side outer wall of screen cloth and casing, the both ends of main shaft are rotated through the bearing respectively and are connected in two round holes, the sand abrasive disc all cup joints the outer wall at the main shaft, and it is fixed that the sand abrasive disc passes through the bolt and the main shaft, the dispersion hole that the equidistance annular distributes is all opened to the outer wall of sand abrasive disc, and two are adjacent all fill in the space of cambium between the sand abrasive disc has grinding medium, the outer wall fixedly connected with cooling mantle of casing, the top outer wall central point of cooling mantle puts and the bottom outer wall has all opened the fixed orifices. The utility model relates to a horizontal sand mill that uses in the coating production process, sand mill have good cooling function, can dispel the heat to sand mill, have prolonged sand mill's life.

Description

Horizontal sand mill with cooling function

Technical Field

The utility model relates to a horizontal sand mill technical field especially relates to a horizontal sand mill with cooling function.

Background

In the production process of the coating, raw materials of the coating need to be ground, the raw materials are ground into fine powder, so that the subsequent dissolution can be facilitated, the uniformity of the coating can be improved, and a horizontal sand mill is one of devices for grinding the coating.

At present, the existing horizontal sand mill for grinding the coating raw material on the market mostly has the following defects in the using process: the horizontal sand mill does not have a cooling function, only depends on natural heat dissipation, and the main shaft and the sanding sheet of the horizontal sand mill can generate more heat in the grinding process, so that the sanding sheet and the main shaft of the sand mill can be shortened in the past if the heat is not dissipated timely.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a horizontal sand mill with a cooling function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a horizontal sand mill with a cooling function comprises a casing, a main shaft and a plurality of sand grinding sheets, wherein the inner wall of the casing is fixedly connected with a screen, round holes are formed in the screen and the outer wall of one side of the casing, two ends of the main shaft are respectively and rotatably connected in the two round holes through bearings, the sand grinding plates are sleeved on the outer wall of the main shaft, the sanding sheets are fixed with the main shaft through bolts, the outer walls of the sanding sheets are provided with dispersing holes which are distributed in an annular shape at equal intervals, the space between the forming layers of two adjacent sanding sheets is filled with grinding media, the outer wall of the shell is fixedly connected with a cooling cover, the central position of the top outer wall and the bottom outer wall of the cooling cover are both provided with fixing holes, the inner walls of the two fixing holes are respectively and fixedly connected with a water inlet pipe and a water outlet pipe, the inner wall of the top of the cooling cover is fixedly connected with a topless shunting box, and shunting holes which are distributed equidistantly are formed in the bottom of the shunting box.

Further, the grinding media are zirconia beads.

Furthermore, cross rods which are distributed in an equidistant annular mode are fixed on the outer wall of one side, opposite to the adjacent sand grinding plates, of the outer wall through bolts.

Furthermore, a discharge hole is formed in the position, close to the bottom, of the outer wall of one side, close to the screen, of the machine shell, and a discharge elbow is welded to the inner wall of the discharge hole.

Furthermore, the outer wall of the top of the casing is provided with a feeding hole, the inner wall of the feeding hole is welded with a vertical pipe, and the top end of the vertical pipe is welded with a feeding hopper.

Furthermore, the outer walls of the two sides of the casing are welded with supporting columns, and the bottom ends of the supporting columns are welded with the same bottom plate.

Further, the welding of the top of bottom plate has the riser, and one side outer wall of riser has the housing through the bolt fastening, and the inner wall of housing has the motor through the bolt fastening, and the equal key-type connection of one end of motor output shaft and the one end of main shaft has the belt pulley, and two belt pulleys pass through belt transmission.

The utility model has the advantages that:

1. through setting up motor, belt pulley and main shaft, the sanding piece is installed on the main shaft, and the motor drives the main shaft and rotates, and the sanding piece also rotates, and then grinds the coating raw materials in the casing, and combines the setting of screen cloth, and the one end and the screen cloth of main shaft rotate to be connected, so the screen cloth not only screens the material of grinding, and can provide the support to the main shaft, and then makes the main shaft operation more stable.

2. Through setting up the cooling cover and opening the reposition of redundant personnel box that has the reposition of redundant personnel hole, when grinding, to letting in cold water in the cooling cover, in cold water enters into the reposition of redundant personnel box earlier, spills uniformly on the surface of casing after the reposition of redundant personnel hole reposition of redundant personnel, cools down the casing through the heat transfer, avoids the heat long-term accumulation.

3. Through the setting that sets up the dispersion hole, at the in-process of feeding, the coating raw materials passes through the dispersion hole and divides each sand abrasive disc department, and combines grinding media's setting, can carry out better, faster grinding to the raw materials.

Drawings

Fig. 1 is a schematic side view of a cross-sectional structure of an embodiment 1 of a horizontal sand mill with a cooling function according to the present invention;

FIG. 2 is a schematic structural view of a main shaft and a grinding plate of embodiment 1 of a horizontal type sand mill with a cooling function according to the present invention;

fig. 3 is a schematic side view of a cross-sectional structure of embodiment 2 of the horizontal sand mill with cooling function according to the present invention.

In the figure: 1-bottom plate, 2-sand grinding sheet, 3-dispersing hole, 4-support column, 5-motor, 6-encloser, 7-vertical plate, 8-belt pulley, 9-machine shell, 10-vertical pipe, 11-feeding hopper, 12-flow dividing box, 13-water inlet pipe, 14-cooling cover, 15-screen, 16-grinding medium, 17-main shaft, 18-discharging elbow and 19-cross bar.

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.

Example 1

Referring to fig. 1 and 2, a horizontal type sand mill with a cooling function comprises a housing 9, a main shaft 17 and a plurality of sand grinding discs 2, wherein a screen 15 is welded on the inner wall of the housing 9, round holes are formed in the screen 15 and the outer wall of one side of the housing 9, one end of the main shaft 17 is rotatably connected with the screen 15, so that the screen 15 not only screens ground materials, but also can support the main shaft 17, further the main shaft 17 is more stable in operation, two ends of the main shaft 17 are rotatably connected into the two round holes through bearings respectively, the sand grinding discs 2 are sleeved on the outer wall of the main shaft 17, the sand grinding discs 2 are fixed with the main shaft 17 through bolts, the outer wall of each sand grinding disc 2 is provided with dispersing holes 3 which are distributed in an annular shape at equal intervals, grinding media 16 are filled in spaces forming layers between two adjacent sand grinding discs 2, and in the feeding process, coating raw materials are distributed to the positions of the sand, and combine 16 grinding media to carry out better, more fast grinding to the raw materials, the outer wall welding of casing 9 has cooling jacket 14, the top outer wall central point of cooling jacket 14 puts and all opens the fixed orifices with the bottom outer wall, the inner wall of two fixed orifices has welded inlet tube 13 and drain pipe respectively, the top inner wall welding of cooling jacket 14 has no reposition of redundant personnel box 12 on top, the bottom of reposition of redundant personnel box 12 is opened has the reposition of redundant personnel hole that the equidistance distributes, when grinding, cold water enters into reposition of redundant personnel box 12 earlier, spill the surface at casing 9 evenly after reposition of redundant personnel hole reposition of redundant personnel, lower the temperature to casing 9 through the heat transfer, avoid the long-term heat to accumulate.

In the present invention, the grinding medium 16 is zirconia beads.

Wherein, the outer wall of one side of the casing 9 close to the screen 15 is provided with a discharge hole close to the bottom, and the inner wall of the discharge hole is welded with a discharge elbow 18.

Wherein, the top outer wall of casing 9 is opened there is the material feeding hole, and the inner wall welding of material feeding hole has riser 10, and the welding of the top of riser 10 has feeding hopper 11.

Wherein, the outer wall of the both sides of casing 9 all welds and has the support column 4, and the bottom welding of support column 4 has same bottom plate 1.

Wherein, the welding of bottom plate 1's top has riser 7, and one side outer wall of riser 7 has housing 6 through the bolt fastening, and the inner wall of housing 6 has motor 5 through the bolt fastening, and the equal key-type connection of one end of the 5 output shafts of motor and main shaft 17 has belt pulley 8, and two belt pulley 8 pass through belt transmission.

The working principle is as follows: when the device is used, the motor is connected with an external power supply, the water inlet pipe 13 is connected with an external water source, a proper amount of coating raw materials are continuously fed from the feeding hopper 11 and enter the machine shell 9, the motor 5 drives the main shaft 17 to rotate, the sand grinding discs 2 also rotate, so that the coating raw materials in the machine shell 9 are ground, and one end of the main shaft 17 is rotatably connected with the screen 15, so that the screen 15 not only screens the ground materials, but also can support the main shaft 17, the main shaft 17 can run more stably, and the materials screened by the screen 15 are discharged from the discharge elbow 18; during grinding, cold water firstly enters the shunting box 12, is shunted by the shunting holes and then is uniformly sprayed on the surface of the machine shell 9, and the machine shell 9 is cooled through heat transfer, so that long-term heat accumulation is avoided; during the feeding process, the raw coating material is distributed through the distribution holes 3 to the respective sand discs 2 and is ground better and faster in combination with the grinding media 16.

Example 2

Referring to fig. 3, the present embodiment of a horizontal sand mill with a cooling function is mainly different from embodiment 1 in that cross bars 19 are fixed to the outer walls of the opposite sides of adjacent sanding sheets 2 by bolts and are distributed annularly at equal intervals.

The working principle is as follows: during the use, at the process of grinding, horizontal pole 19 is rotatory along with sand abrasive disc 2, and rotatory horizontal pole 19 stirs grinding medium 16 and raw materials, and then breaks up the raw materials, improves the grinding effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Claims

1. The horizontal type sand mill with the cooling function comprises a shell (9), a main shaft (17) and a plurality of sand grinding discs (2), and is characterized in that the inner wall of the shell (9) is fixedly connected with a screen (15), round holes are formed in the outer wall of one side of the screen (15) and the outer wall of one side of the shell (9), two ends of the main shaft (17) are respectively connected into the two round holes in a rotating mode through bearings, the sand grinding discs (2) are sleeved on the outer wall of the main shaft (17), the sand grinding discs (2) are fixed to the main shaft (17) through bolts, dispersing holes (3) distributed in an equidistant annular mode are formed in the outer wall of each sand grinding disc (2), grinding media (16) are filled in spaces forming layers between the two adjacent sand grinding discs (2), a cooling cover (14) is fixedly connected to the outer wall of the shell (9), and fixing holes are formed in the center position of the top outer wall and the bottom outer wall of the cooling, the inner walls of the two fixing holes are fixedly connected with a water inlet pipe (13) and a water outlet pipe respectively, the top inner wall of the cooling cover (14) is fixedly connected with a top-free flow distribution box (12), and the bottom of the flow distribution box (12) is provided with flow distribution holes distributed equidistantly.

2. A horizontal sand mill with cooling according to claim 1, characterised in that the grinding media (16) are zirconia beads.

3. A horizontal sand mill with cooling function according to claim 2, characterized in that the outer walls of the opposite sides of the adjacent sand grinding discs (2) are each bolted with cross bars (19) distributed annularly at equal distances.

4. The horizontal sand mill with the cooling function as claimed in claim 2 or 3, characterized in that the outer wall of the casing (9) close to the screen (15) is provided with a discharge hole close to the bottom, and a discharge elbow (18) is welded to the inner wall of the discharge hole.

5. The horizontal sand mill with the cooling function as claimed in claim 4, characterized in that the outer wall of the top of the casing (9) is provided with a feeding hole, the inner wall of the feeding hole is welded with a vertical pipe (10), and the top end of the vertical pipe (10) is welded with a feeding hopper (11).

6. The horizontal sand mill with the cooling function as claimed in claim 5, characterized in that the outer walls of the two sides of the casing (9) are welded with supporting columns (4), and the bottom ends of the supporting columns (4) are welded with the same bottom plate (1).

7. The horizontal sand mill with the cooling function according to claim 6, wherein a vertical plate (7) is welded on the top of the bottom plate (1), a housing (6) is fixed on the outer wall of one side of the vertical plate (7) through a bolt, a motor (5) is fixed on the inner wall of the housing (6) through a bolt, a belt pulley (8) is connected with one end of an output shaft of the motor (5) and one end of a main shaft (17) in a key connection mode, and the two belt pulleys (8) are driven through a belt.