CN218693606U - a sand mixer - Google Patents

Abstract

The utility model discloses a sand mixer, including the mixing box, the top of mixing box is equipped with the closing cap, the pan feeding mouth has been seted up at the top of closing cap, the inside top side center of closing cap is rotated and is connected with the rotary drum, the outer fixed surface of rotary drum is connected with the puddler, first gear of first fixedly connected with of surface of rotary drum, the dead slot has been seted up to one side of closing cap, the utility model has the advantages of: start the second motor and rotate the second gear and make first gear revolve, because of first gear fixed connection on the rotary drum, so the rotary drum also drives the puddler along with it and rotates and accomplish the mulling operation, at this in-process, the molding sand passes through the inside that the import got into the rotary drum, start first motor and rotate the auger axle and make the auger blade rotate, thereby drive the molding sand rebound, finally discharge from the discharge tank, make the molding sand can not pile up in the inside below of mixing box, the molding sand can cyclic motion, make the mixture more abundant and even.

Description

a sand mixer

technical field

The utility model relates to the technical field of sand mixers, in particular to a sand mixer.

Background technique

The sand mixer is a device that uniformly mixes the components in the molding sand and effectively coats the binder on the surface of the sand grains. The sand mixer is the main equipment for foundry sand processing and molding sand mixing, and it is also the key equipment for obtaining qualified sand. However, some sand mixers on the market have some defects in use. Therefore, the demand for a refractory sand mixer growing day by day.

For example, the Chinese patent [Application No. CNCN201922466474.6] discloses a refractory sand mixer, including a base and legs, the base is fixedly connected to the legs, the top surface of the legs is fixedly connected to the organic body, and the bottom end surface of the body The central position is socketed with a first motor, and the main shaft end of the first motor is fixedly connected with a second electric telescopic rod, and the second electric telescopic rod is rotatably connected with the body; although this patent can control the first motor through the controller 25 6 rotates, the first motor 6 drives the grinding wheel 7 to rotate through the second electric telescopic rod 26, and mixes the materials; but only by turning the wheel to mix the materials, there will be a problem of raw material precipitation during the mixing process, so that Its mixing is not sufficient and uniform.

Utility model content

The purpose of this utility model is to solve the shortcoming existing in the prior art, and propose a kind of sand mixing machine.

In order to achieve the above object, the utility model provides the following technical solutions:

A sand mixer, comprising a mixing box, the top of the mixing box is provided with a cover, the top of the cover is provided with a material inlet, and the center of the inner top side of the cover is rotatably connected to a drum, the A stirring rod is fixedly connected to the outer surface of the rotating drum, the first gear is fixedly connected to half of the outer surface of the rotating drum, an empty groove is opened on one side of the cover, and the inner bottom side of the cover is rotatably connected to There is an auger shaft, the outer surface of the auger shaft is fixedly connected with auger blades, the auger blades are located inside the drum, the inside of the empty slot is fixedly connected with a first motor, and the first motor The output end is fixedly connected with the auger shaft through a coupling. There are multiple sets of discharge grooves on the half of the outer surface of the drum. There are multiple sets of inlets on the bottom of the outer surface of the drum. The top of the cover is A second motor is fixedly connected, the output end of the second motor extends into the bottom of the mixing box, and a second gear is fixedly connected to the bottom of the mixing box, and the second gear is engaged with the first gear, and the bottom of the mixing box is fixedly connected with a discharge pipe, the discharge pipe is provided with a valve.

Preferably, a dispersing frame is fixedly connected to the outer surface of the rotating drum, the dispersing frame has an annular structure, a bulk material opening is opened at the bottom of the dispersing frame, and the dispersing frame is located above the discharge trough.

Preferably, a filter plate is fixedly installed inside the mixing box, and the filter plate is located below the drum.

Preferably, a telescopic cylinder is fixedly connected to one side of the mixing box, a connecting plate is fixedly connected to the top of the telescopic cylinder, and one side of the connecting plate is fixedly connected to the cover.

Preferably, the bottom of the mixing box is fixedly connected to the legs, and the front of the mixing box is provided with a transparent window.

The beneficial effects of the utility model are: the sand mixer provided by the utility model, when starting to mix the molding sand, pour the raw materials into the mixing box through the feeding port, start the second motor to rotate the second gear to make the first One gear rotates, because the first gear is fixedly connected to the drum, so the drum also drives the stirring rod to rotate to complete the sand mixing operation. During this process, the molding sand enters the inside of the drum through the inlet, and the first motor is started to rotate The auger shaft makes the auger blades rotate, thereby driving the molding sand to move upwards, and finally discharged from the discharge tank, so that the molding sand will not accumulate in the bottom of the mixing box, and the molding sand can circulate to make the mixing more complete and uniform, and finally open the valve to The mixed molding sand is discharged from the discharge pipe.

Description of drawings

Fig. 1 is the basic structural representation of the utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is a structural schematic diagram of the drum of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

As shown in Figures 1-3, a sand mixer provided by the utility model includes a mixing box 1, the top of the mixing box 1 is provided with a cover 2, and the top of the cover 2 is provided with a material inlet 3. The center of the inner top side of 2 is rotatably connected with a rotating cylinder 4, the outer surface of the rotating cylinder 4 is fixedly connected with the stirring rod 5, the upper half of the outer surface of the rotating cylinder 4 is fixedly connected with the first gear 6, and one side of the cover 2 is opened There is an empty slot 7, the inner bottom side of the cover 2 is rotatably connected with an auger shaft, the outer surface of the auger shaft 8 is fixedly connected with an auger blade 9, the auger blade 9 is located inside the drum 4, and the inside of the empty slot 7 The first motor 10 is fixedly connected, and the output end of the first motor 10 is fixedly connected with the auger shaft 8 through a coupling. There are multiple sets of inlets 22 at the bottom, the top of the cover 2 is fixedly connected with the second motor 12, the output end of the second motor 12 extends into the bottom of the mixing box 1 and is fixedly connected with the second gear 13, the second gear 13 is connected with the first The gear 6 is meshed and connected, and the bottom of the mixing box 1 is fixedly connected with a discharge pipe 14, and the discharge pipe 14 is provided with a valve 15; when starting to mix the molding sand, pour the raw materials into the mixing box 1 through the feeding port 3, and start the second The second motor 12 rotates the second gear 13 to rotate the first gear 6. Because the first gear 6 is fixedly connected to the drum 4, the drum 4 also drives the stirring rod 5 to rotate to complete the sand mixing operation. , the molding sand enters the inside of the drum 4 through the inlet 22, starts the first motor 10 to rotate the auger shaft 8 to rotate the auger blade 9, thereby driving the molding sand to move upwards, and finally discharged from the discharge groove 11, so that the molding sand will not accumulate in the mixing box 1, the molding sand can be circulated to make the mixing more sufficient and uniform, and finally the valve 15 is opened to discharge the mixed molding sand from the discharge pipe 14.

The outer surface of the drum 4 is fixedly connected with a dispersing frame 16, the dispersing frame 16 is an annular structure, the bottom of the dispersing frame 16 is provided with a bulk material port 17, and the dispersing frame 16 is located above the discharge tank 11; It will fall to the inside of the dispersing frame 16 when the rotating drum 4 drives the dispersing frame 16 to rotate, so that the raw materials are evenly sprinkled in the inside of the mixing box 1 through the bulk material opening 17.

A filter plate 23 is fixedly installed inside the mixing box 1, and the filter plate 23 is located below the drum 4; it falls from the gap on the filter plate 23 and is discharged from the discharge pipe 14 in accordance with the use standard.

One side of the mixing box 1 is fixedly connected with a telescopic cylinder 18, and the top of the telescopic cylinder 18 is fixedly connected with a connecting plate 19, and one side of the connecting plate 19 is fixedly connected with the cover 2; the staff can activate the telescopic cylinder 18 to make the connecting plate 19 Drive the cover 2 to move the cover 2 upwards, so as to facilitate operations such as cleaning the inside of the mixing box 1 .

The bottom of the mixing box 1 is fixedly connected to the legs 20, and the front of the mixing box 1 is provided with a transparent window 21; the staff can observe the inside of the mixing box 1 through the transparent window 21.

Working principle: When starting to mix the molding sand, pour the raw materials into the mixing box 1 through the material inlet 3, start the second motor 12 to rotate the second gear 13 to rotate the first gear 6, because the first gear 6 is fixedly connected to the Rotating drum 4, so the rotating drum 4 also drives the stirring rod 5 and the dispersing frame 16 to rotate, and the raw materials fall into the inside of the dispersing frame 16. When rotating, the raw materials are evenly sprinkled on the mixing box through the bulk material opening 17. 1, the stirring rod 5 rotates to stir the raw materials to complete the sand mixing operation. During this process, the molding sand enters the interior of the drum 4 through the inlet 22, and the first motor 10 is started to rotate the auger shaft 8 to rotate the auger blades 9 , so as to drive the molding sand to move upwards, and finally discharged from the discharge groove 11, so that the molding sand will not accumulate under the inside of the mixing box 1, and the molding sand can circulate to make the mixing more sufficient and uniform, which meets the use standard. From the gap on the filter plate 23 fall and be discharged from the discharge pipe 14.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the utility model Under the premise of the spirit and scope, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A roller mill, includes mixing box (1), its characterized in that: the top of mixing box (1) is equipped with closing cap (2), pan feeding mouth (3) have been seted up at the top of closing cap (2), the inside top side center of closing cap (2) rotates and is connected with rotary drum (4), the external fixed surface of rotary drum (4) is connected with puddler (5), first gear (6) of the first half fixedly connected with of surface of rotary drum (4), dead slot (7) have been seted up to one side of closing cap (2), the inside bottom side of closing cap (2) rotates and is connected with the auger shaft, the external fixed surface of auger shaft (8) is connected with auger blade (9), auger blade (9) are located the inside of rotary drum (4), the first motor (10) of inside fixedly connected with of dead slot (7), the output of first motor (10) passes through shaft coupling and auger shaft (8) fixed connection, first half has seted up multiunit discharge tank (11) on the surface of rotary drum (4), multiunit import (22) have been seted up to the external bottom of rotary drum (4), the top fixedly connected with second motor (12) the second motor (12) extend the fixed surface of second gear (1) and connect with discharge pipe (13) of mixing box (1), discharge pipe (13) and second gear (13) are connected with discharge pipe (13), and a valve (15) is arranged on the discharge pipe (14).

2. A roller mill according to claim 1, characterized in that: the outer surface of the rotary drum (4) is fixedly connected with a dispersion frame (16), the dispersion frame (16) is of an annular structure, a dispersion opening (17) is formed in the bottom of the dispersion frame (16), and the dispersion frame (16) is located above the discharge groove (11).

3. A roller mill according to claim 1, characterized in that: the filter plate device is characterized in that a filter plate (23) is fixedly mounted inside the mixing box (1), and the filter plate (23) is located below the rotary drum (4).

4. A sand mixer according to claim 1, wherein: one side fixedly connected with telescopic cylinder (18) of mixing box (1), the top fixedly connected with connecting plate (19) of telescopic cylinder (18), one side and closing cap (2) fixed connection of connecting plate (19).

5. A roller mill according to claim 1, characterized in that: the bottom fixed connection of mixing box (1) is in landing leg (20), the front of mixing box (1) is equipped with transparent window (21).

Images