CN213079960U

CN213079960U - Precoated sand mixer

Info

Publication number: CN213079960U
Application number: CN202021420905.1U
Authority: CN
Inventors: 孙文磊; 李美玲; 曲奎宁
Original assignee: Qingdao Dingli Machinery Co ltd
Current assignee: Qingdao Dingli Machinery Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-30
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a sand mulling equipment technical field just discloses a tectorial membrane sand roller mill. A precoated sand mixer comprises a sand mixing barrel, a rotary discharge door is fixedly arranged on the front surface of the sand mixing barrel, the bottom of the sand mixing barrel is fixedly provided with a supporting column, the bottom of the supporting column is fixedly connected with the base, a motor is fixedly arranged on the right side of the top of the base, the output end of the motor is fixedly connected with a speed reducer through a coupler, the bottom of the speed reducer is fixedly connected with the base, the top of the speed reducer is fixedly connected with the connecting shaft through the coupler, the connecting shafts penetrate through the bottom of the sand mixing barrel and are rotationally connected with the sand mixing barrel through the bearings, the utility model arranges the four scraping plates in an inclined and bent way, so that the molding sand at the bottom of the sand mixing barrel is fully stirred, thereby make the molding sand can mix the tectorial membrane with abundant auxiliary material, effectively avoid the inhomogeneous condition of tectorial membrane, improved the tectorial membrane effect of molding sand greatly.

Description

Precoated sand mixer

Technical Field

The utility model relates to a sand mulling equipment technical field specifically is a tectorial membrane sand roller mill.

Background

The sand mixer is a device which uniformly mixes all components in the molding sand and effectively coats the surface of the sand by the adhesive. The sand mixer is a main device for processing the casting sand and mixing the casting sand and is also a key device for obtaining qualified molding sand, the sand mixer crushes materials by the action of rolling and grinding the materials placed between the grinding wheel and the grinding disc by utilizing the relative motion of the grinding wheel and the grinding disc, and the sand mixer also mixes the materials while crushing the materials. Is an ideal device for producing baking-free bricks, lime-sand bricks, cement bricks, refractory bricks, pulverized and mixed fly ash, boiler slag, tailing slag and industrial waste residues as raw materials for making bricks. The sand mixer is a key device in the casting process and is a key factor for controlling the quality and the cost of the molding sand. And the easy caking of current mulling equipment mulling, and the tectorial membrane is inhomogeneous, still can adhere on the grinding wheel surface sometimes, leads to molding sand and grinding wheel friction not enough to make the mulling tectorial membrane effect unsatisfactory.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tectorial membrane sand roller reaches the purpose that automatic clearance grinding roller and scraper blade can fully turn the molding sand.

In order to achieve the above object, the utility model provides a following technical scheme: a precoated sand mixer comprises a sand mixing barrel, wherein a rotary unloading door is fixedly arranged on the front surface of the sand mixing barrel, a support column is fixedly arranged at the bottom of the sand mixing barrel, the bottom of the support column is fixedly connected with a base, a motor is fixedly arranged on the right side of the top of the base, the output end of the motor is fixedly connected with a speed reducer through a coupler, the bottom of the speed reducer is fixedly connected with the base, the top of the speed reducer is fixedly connected with a connecting shaft through a coupler, the connecting shaft penetrates through the bottom of the sand mixing barrel and is rotatably connected with the sand mixing barrel through a bearing, the top of the connecting shaft is fixedly connected with a rotating shaft, a grinding wheel shaft is fixedly arranged on the left side of the rotating shaft, the grinding wheel shaft is connected with a grinding wheel through a bearing, a support is fixedly arranged on the top of the left side of the grinding wheel, a scraper support, the right-hand member fixed mounting of scraper blade support has the side scraper blade, the bottom fixed mounting of scraper blade support has the connecting rod, the position that the connecting rod is close to the bottom passes through bolt and scraper blade fixed connection.

Preferably, the bottom of the sand mixing barrel is provided with a chassis made of diabase cast stone, the diameter of the chassis is 2000mm, and the height of the chassis is 700 mm.

Preferably, the number of the support columns is three, and the support columns are distributed in an annular array by taking the circle center of the bottom of the sand mixing barrel as the center.

Preferably, the base is made of a machined steel plate, the surface of the base is provided with an installation screw hole, and the thickness of the base is two centimeters.

Preferably, the number of the connecting rods and the number of the scrapers are four, and the scrapers are obliquely and curvedly arranged.

Preferably, the motor is Y160L-4, the power is 15 kilowatts, and the rotating speed is 1440 rpm.

Preferably, a height adjusting device is arranged at the joint of the grinding wheel shaft and the rotating shaft, and the distance between the grinding wheel and the bottom plate of the sand mixing barrel is limited to be 10mm at most.

The utility model provides a tectorial membrane sand roller mill. The method has the following beneficial effects:

(1) the utility model discloses a set up the runner scraper blade at the top of runner axle, when the runner rotates again, can clear up runner surface attachment automatically, effectively avoided runner and molding sand friction not enough and influence molding sand tectorial membrane effect.

(2) The utility model discloses a set up the diabase cast stone bottom plate in the lower part of mixing sand bucket, effectively reduced the degree of wear of scraper blade, improved the life of scraper blade, practiced thrift manufacturing cost.

(3) The utility model discloses a set up the scraper blade into four, and the crooked setting of slope for the molding sand of mixing the sand barrel head portion obtains abundant stirring, thereby makes the molding sand can mix the tectorial membrane with abundant auxiliary material, effectively avoids the inhomogeneous condition of tectorial membrane, has improved the tectorial membrane effect of molding sand greatly.

(4) The utility model effectively improves the stability of the sand mixer by arranging three support columns at the bottom of the sand mixing barrel; the base is made of a plate and is provided with the mounting screw holes, so that the reliability of the sand mixer is ensured, and the sand mixer is simple and convenient to mount;

drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the sand mixing barrel of the present invention;

FIG. 3 is a top view of the sand mixing barrel of the present invention;

fig. 4 is a side sectional structure view of the connecting portion of the connecting rod and the scraper of the present invention.

In the figure: 1 sand mixing barrel, 2 rotary discharge doors, 3 connecting shafts, 4 speed reducers, 5 motors, 6 supporting columns, 7 bases, 8 rotating shafts, 9 grinding wheel shafts, 10 grinding wheels, 11 supports, 12 grinding wheel scrapers, 13 scraper supports, 14 side scrapers, 15 connecting rods, 16 scrapers and 17 bolts.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, the utility model provides a technical solution: a precoated sand mixer comprises a sand mixing barrel 1, wherein a bottom plate made of diabase cast stone is arranged at the bottom of the sand mixing barrel 1, the diameter of the bottom plate is 2000mm, the height of the bottom plate is 700mm, the abrasion degree of a scraper 16 is effectively reduced by arranging a diabase cast stone bottom plate at the lower part of the sand mixing barrel 1, the service life of the scraper 16 is prolonged, the production cost is saved, a rotary discharge door 2 is fixedly arranged at the front surface of the sand mixing barrel 1, support columns 6 are fixedly arranged at the bottom of the sand mixing barrel 1, the number of the support columns 6 is three, the support columns are distributed in an annular array by taking the circle center at the bottom of the sand mixing barrel 1 as the center, the stability of the sand mixer is effectively improved by arranging the three support columns 6 at the bottom of the sand mixing barrel 1, the bottom of each support column 6 is fixedly connected with a base 7, the base 7 is made of a machining steel plate, the surface of each support column is provided with, and is provided with an installation screw hole, which ensures the reliability and the simple and convenient installation of the sand mixer, the right side of the top of the base 7 is fixedly provided with a motor 5, the model of the motor 5 is Y160L-4, the power is 15 kilowatt, the rotating speed is 1440 rpm, the output end of the motor 5 is fixedly connected with a speed reducer 4 through a coupling, the bottom of the speed reducer 4 is fixedly connected with the base 7, the top of the speed reducer 4 is fixedly connected with a connecting shaft 3 through the coupling, the connecting shaft 3 penetrates through the bottom of the sand mixing barrel 1 and is rotatably connected with the sand mixing barrel 1 through a bearing, the top of the connecting shaft 3 is fixedly connected with a rotating shaft 8, the left side of the rotating shaft 8 is fixedly provided with a grinding wheel shaft 9, the grinding wheel shaft 9 is connected with a grinding wheel 10 through the bearing, the joint of the grinding wheel shaft 9 and the rotating shaft 8 is provided with a height adjusting device, a support 11 is fixedly arranged at the top of the left side of a grinding wheel shaft 9, the top of the support 11 is fixedly connected with a grinding wheel scraper 12, the grinding wheel scraper 12 is arranged at the top of the grinding wheel shaft 9, when the grinding wheel 10 rotates, the grinding wheel scraper 12 can automatically clean the surface attachments of the grinding wheel 10, the influence on the film covering effect of molding sand caused by insufficient friction between the grinding wheel 10 and the molding sand is effectively avoided, a scraper support 13 is fixedly arranged at the right side of a rotating shaft 8, a side scraper 14 is fixedly arranged at the right end of the scraper support, a connecting rod 15 is fixedly arranged at the bottom of the scraper support, the position of the connecting rod close to the bottom end is fixedly connected with the scraper 16 through a bolt 17, the number of the connecting rod 15 and the scraper 16 is four, the scraper 16 is obliquely and curved, the scraper 16 is arranged, the molding sand at the bottom of the sand mixing barrel 1 is fully turned, so that the molding sand, effectively avoid the inhomogeneous condition of tectorial membrane, improved the tectorial membrane effect of molding sand greatly.

The working principle is as follows: casting sand and auxiliary material are put into in the inside of muddy sand bucket 1, starter motor 5, motor 5 drives pivot 8 under the effect of speed reducer 4, under the drive of pivot 8, the running roller 10 rolls and the friction effect to the molding sand formation, make the auxiliary material fully contact with the molding sand and reach the effect of tectorial membrane, simultaneously also rotate thereupon with the connection scraper blade support 13 of pivot 8, and side scraper 14 plays the effect of a clearance to muddy sand bucket wall, scraper blade 16 of bottom is under the drive of pivot 8, turn the molding sand of muddy sand bucket 8 bottom, make molding sand and auxiliary material fully contact, ensure the tectorial membrane effect of muddy sand.

Claims

1. The utility model provides a tectorial membrane sand roller mill, includes sand mixing barrel (1), its characterized in that: the front fixed mounting of mixing sand bucket (1) has rotatory discharge door (2), the bottom fixed mounting of mixing sand bucket (1) has support column (6), the bottom and base (7) fixed connection of support column (6), the right side fixed mounting at base (7) top has motor (5), the output of motor (5) passes through shaft coupling and speed reducer (4) fixed connection, the bottom and base (7) fixed connection of speed reducer (4), the top of speed reducer (4) passes through shaft coupling and connecting axle (3) fixed connection, connecting axle (3) run through the bottom of mixing sand bucket (1) and rotate with mixing sand bucket (1) through the bearing and are connected, the top and pivot (8) fixed connection of connecting axle (3), the left side fixed mounting of pivot (8) has running wheel axle (9), running wheel axle (9) are connected with running wheel (10) through the bearing, the utility model discloses a scraper blade of grinding wheel, including grinding wheel axle (9), grinding wheel axle (9) left side top fixed mounting have support (11), the top and grinding wheel scraper blade (12) fixed connection of support (11), the right side fixed mounting of pivot (8) has scraper blade support (13), the right-hand member fixed mounting of scraper blade support has side scraper blade (14), the bottom fixed mounting of scraper blade support has connecting rod (15), bolt (17) and scraper blade (16) fixed connection are passed through to the position that the connecting rod is close to the bottom.

2. A coated sand mixer according to claim 1, characterized in that: the bottom of the sand mixing barrel (1) is provided with a chassis made of diabase cast stone, the diameter of the chassis is 2000mm, and the height of the chassis is 700 mm.

3. A coated sand mixer according to claim 1, characterized in that: the number of the support columns (6) is three, and the support columns are distributed in an annular array by taking the circle center of the bottom of the sand mixing barrel (1) as the center.

4. A coated sand mixer according to claim 1, characterized in that: the base (7) is made of a machined steel plate, the surface of the base is provided with an installation screw hole, and the thickness of the base is two centimeters.

5. A coated sand mixer according to claim 1, characterized in that: the number of the connecting rods (15) and the number of the scrapers (16) are four, and the scrapers (16) are obliquely and curvedly arranged.

6. A coated sand mixer according to claim 1, characterized in that: the model of the motor (5) is Y160L-4, the power is 15 kilowatts, and the rotating speed is 1440 rpm.

7. A coated sand mixer according to claim 1, characterized in that: the joint of the grinding wheel shaft (9) and the rotating shaft (8) is provided with a height adjusting device, and the distance between the grinding wheel (10) and the bottom plate of the sand mixing barrel (1) is limited to be 10mm at most.