CN209174819U - A kind of sand mixer of easy to clean - Google Patents

Abstract

The utility model relates to an easy-to-clean sand mixer, which relates to the technical field of sand mixing. It includes a body, a first motor, and a first rotating shaft. The first rotating shaft is hollow inside, and a second motor is fixedly installed in the first rotating shaft inside the body. The second motor is a double-headed motor. A second rotating shaft is fixedly installed on the output shafts at both ends of the motor, and a roller is fixedly installed on the second rotating shaft. A vibrating block is fixedly installed on the bottom of the roller through a first spring, and a brush rod is fixedly installed on one end of the roller. Brushes are evenly distributed on the brush rod, and sand mixer rollers are also fixedly installed on the top of the first rotating shaft through a support rod. The utility model can clean up the accumulated sand on the inner wall of the body in time by setting the brush in contact with the inner wall of the body. It can also further clear the sand accumulation on the inner wall of the machine body, which is beneficial to improve the sand mixing efficiency of the sand mixer.

Description

An easy-to-clean sand mixer

technical field

The utility model relates to the technical field of sand mixing, in particular to an easy-to-clean sand mixing machine.

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 uses the relative movement of the grinding wheel and the grinding plate to crush the materials placed between them by rolling and grinding. In the process of preparing the shell of the reducer, the molding sand is generally mixed uniformly by a sand mixer, and then poured into a sand mold, and molten iron is put into the sand mold to form the shell of the reducer. However, the sand mixer in the prior art cannot clean the accumulated sand on the inner wall of the machine body in time during the sand mixing process, which reduces the sand mixing efficiency of the sand mixer.

Utility model content

Aiming at the shortcomings in the above-mentioned prior art, an easy-to-clean sand mixer of the present invention can clean up the accumulated sand on the inner wall of the body in time by setting a brush in contact with the inner wall of the body, and at the same time, vibrate In the process of rotation, the blocks indirectly contact with the bottom of the machine body, rapping the body, and can further clear the sand accumulated on the inner wall of the machine body, which is beneficial to improve the sand mixing efficiency of the sand mixer.

In order to achieve the above-mentioned technical purpose, an easy-to-clean sand mixer of the utility model includes a body, the top of the body is provided with a feed port, the bottom of the body is provided with a discharge port, and the bottom of the body is also fixedly installed with a first motor. The output shaft of the first motor is fixedly connected with a first driving wheel, and the first driving wheel is connected with a first driven wheel through a belt, and the first driven wheel is fixedly installed on the first rotating shaft arranged in the center of the body , the inside of the first rotating shaft is hollow, and a second motor is fixedly installed in the first rotating shaft inside the body, the second motor is a double-headed motor, and the output shafts at both ends of the second motor extend out of the first rotating shaft The second driving wheel is fixedly installed on the external position of the second driving wheel, and the second driving wheel is connected to the second driven wheel through a belt. The second rotating shaft is fixedly installed in the second driven wheel, and one end of the second rotating shaft is connected to the wheel through a bearing. On the outer side of the first rotating shaft, a roller is fixedly installed on the second rotating shaft, a rapping block is fixedly installed on the bottom of the roller through the first spring, and a brush rod is fixedly installed on the end of the roller away from the second driven wheel, so Brushes are evenly distributed on the brush rod, and sand mixer rollers are fixedly installed on the upper part of the first rotating shaft through a support rod, and the support rod is vertically arranged with the second rotating shaft.

Preferably, a rotating rod is fixedly installed on the second rotating shaft, and tooth-shaped protrusions are arranged on the outside of the rotating rod.

Preferably, long holes are provided on both sides of the upper part of the first rotating shaft, and the end of the pole away from the roller of the sand mixer passes through the long holes and is located inside the hollow of the first rotating shaft, and is set by The limit rod in the hollow interior is limited.

Further, buckles matching the shape of the poles are fixedly installed on the poles, and the tops of the buckles at both ends overlap and are connected with telescopic support poles, and the tops of the telescopic support poles rotate through bearings Installed on the top inner wall of the body.

Furthermore, a fixed plate is fixedly installed at the center of the top of the body, and the telescopic support rod is rotatably mounted on the fixed plate through a bearing.

Preferably, a bracket is provided at the four corners of the bottom of the body, rollers are installed on the bottom of the bracket, and a second spring is sheathed outside the bracket.

Compared with the prior art, the utility model has the following beneficial effects: the first motor drives the first driving wheel to rotate, the first driving wheel drives the first driven wheel to rotate through the belt, the first driven wheel drives the first rotating shaft to rotate, and the second The rolling wheel connected with a rotating shaft can perform circular motion inside the body to mix the molding sand inside the body evenly; at the same time, during the rotation of the first rotating shaft, the second motor drives the second driving wheel to rotate, and the second driving wheel The connected second driven wheel also rotates accordingly, and the second driven wheel drives the second rotating shaft to realize self-propagation. During the rotation of the second rotating shaft, the rapping block indirectly connects with the inner wall of the bottom of the body, making the side wall of the body The accumulated sand on the machine is vibrated and dropped, and the brush can also rotate continuously, which can also clean up the accumulated sand on both sides of the machine body, which is conducive to improving the sand mixing efficiency of the sand mixer.

Description of drawings

Fig. 1: structural representation of the utility model;

Fig. 2: enlarged view of place A in the utility model;

Figure 3: Left view of Figure 1.

In the figure: 1, machine body 2, material inlet 3, material outlet 4, first motor 5, first driving wheel 6, first driven wheel 7, first rotating shaft 8, second motor 9, second driving wheel 10 , the second driven wheel 11, the second rotating shaft 12, the roller 13, the first spring 14, the rapping block 15, the brush rod 16, the hair brush 17, the rotating rod 18, the pole 19, the rolling wheel 20, the long hole 21 , Limit rod 22, draw ring 23, telescopic support rod 24, bearing 25, fixed plate 26, support 27, roller 28, the second spring.

Detailed ways

In order to make the purpose, advantages and implementation of the utility model more clear, the utility model will be further described in conjunction with specific examples. It should be understood that the embodiments described here are only explanations of the utility model, not Constitute the limitation of this utility model.

An easy-to-clean sand mixer as shown in Fig. 1-Fig. 3 includes a body 1, the top of the body 1 is provided with a feed port 2, the bottom of the body 1 is provided with a discharge port 3, and the bottom of the body 1 is also fixedly installed with a second A motor 4, the output shaft of the first motor 4 is fixedly connected with the first driving wheel 5, the first driving wheel 5 is connected with the first driven wheel 6 through the belt, and the first driven wheel 6 is fixedly installed in the inner center of the body 1 On the first rotating shaft 7, wherein, the interior of the first rotating shaft 7 is hollowly arranged, and a second motor 8 is fixedly installed in the first rotating shaft 7 inside the body 1, the second motor 8 is a double-head motor, and the two ends of the second motor 8 are The output shaft protrudes from the outer position of the first rotating shaft 7 and is fixedly installed with a second driving wheel 9. The second driving wheel 9 is connected to the second driven wheel 10 by a belt, and the second rotating shaft 11 is fixedly installed in the second driven wheel 10. One end of the second rotating shaft 11 is connected to the outer side of the first rotating shaft 7 through bearing rotation, the second rotating shaft 11 is fixedly equipped with a roller 12, and the bottom of the roller 12 is fixedly installed with a rapping block 14 through the first spring 13, and the roller 12 is far away from the second rotating shaft. Two driven wheels 10 one ends are fixedly installed with brush bar 15, are evenly distributed with hairbrush 16 on the brush bar 15, are also fixedly installed with sand mixer rolling wheel 19 by pole 18 on the top of first rotating shaft 7, pole 18 and the second Two rotating shafts 11 are arranged vertically.

The first motor 4 drives the first driving wheel 5 to rotate, the first driving wheel 5 drives the first driven wheel 7 to rotate through the belt, the first driven wheel 7 drives the first rotating shaft 7 to rotate, and the rolling wheel 19 connected with the first rotating shaft 7 Then the circular motion can be carried out inside the body 1, and the molding sand inside the body 1 can be evenly mixed; at the same time, during the rotation of the first rotating shaft 7, the second motor 8 drives the second driving wheel 9 to rotate, and is connected with the second driving wheel 9 The second driven wheel 10 also rotates accordingly, and the second driven wheel 10 drives the second rotating shaft 11 to realize self-propagation. During the rotating process of the second rotating shaft 11, the rapping block 14 indirectly connects with the inner wall of the bottom of the body 1 , so that the accumulated sand on the side wall of the body 1 is shaken down, and the brush 16 can also be continuously rotated to clean up the accumulated sand on both sides of the body 1, which is conducive to improving the sand mixing efficiency of the sand mixer.

Wherein, a rotating rod 17 is fixedly installed on the second rotating shaft 11 , and a tooth-shaped protrusion is arranged on the outside of the rotating rod 17 . The second rotating shaft 11 can revolve with the rotation of the first rotating shaft 7, and can realize self-propagation through the second driven wheel 10. During the continuous self-propagation and revolution of the second rotating shaft 11, the tooth-shaped protrusions on the outside of the rotating rod 17 can The molding sand at the bottom of the body 1 is stirred and pulverized, which is beneficial to ensure uniform mixing.

In addition, as a further improvement of the present utility model, due to the inconsistency of the amount of molding sand that needs to be mixed in the actual working process, the height of the molding sand accumulated inside the machine body 1 is inconsistent. height to adjust the height of the rolling wheel. In the utility model, in order to achieve the above-mentioned technical purpose, the applicant is also provided with a long hole 20 on both sides of the upper part of the first rotating shaft 7. The elongated hole 20 is located inside the hollow of the first rotating shaft 7, and is limited by a limiting rod 21 disposed inside the hollow. Wherein, two struts 18 are all fixedly connected with the two ends of the limiting rod 21, and ensure that the width of the limiting rod 21 is greater than the width of the elongated hole 20, so that the limiting rod 21 will not disengage from the inside of the elongated hole 20.

On the support rod 18, a buckle 22 that is fixedly installed with a bottom that matches the shape of the support rod 18, the top of the buckle 22 at both ends overlaps and is connected with a telescopic support rod 23, preferably the bottom of the buckle 22 and the support rod 18 are welded on the Together, the top of the clasp 22 is welded to the bottom end of the telescopic support rod 23, so that an inverted Y-shaped structure is formed between the clasp 22 and the telescopic support rod 23, wherein the telescopic support rod 23 is A plurality of casing pipes with gradually decreasing diameters are sleeved together, and each section of the casing is provided with a threaded hole, and the casing has been fastened and connected by screws passing through the threaded holes. The top of the telescopic support rod 23 is rotatably mounted on the top inner wall of the body 1 through a bearing 24 .

When the amount of molding sand inside the body of machine 1 is large, by controlling the upward movement of the telescopic support rod 23, the telescopic support rod 23 drives the support rod 18 to move upward, so that the two rolling wheels 19 move upward under the action of external force. The rod 18 is stressed and moves along the long hole 20. In general, the ratio between the height of the long hole 20 and the length of the pole 18 is 1: (15-20). During the movement, even if the support rod 18 may incline, it can be ignored and will not affect the working effect of the rolling wheel 19 . When the rolling wheel 19 reaches a suitable height, it is enough to fix the position of the telescopic support rod 23 by external force; if there is less molding sand in the body 1, control the telescopic support rod 23 to move downward and extend. Roller 19 can move downwards under external force.

Preferably, a fixed plate 25 is fixedly installed at the center of the top of the body 1, and the telescopic support rod 23 is rotatably mounted on the fixed plate 25 through a bearing. Wherein, the position of the telescopic support rod 23 should be located on the extension line of the central axis between the two rolling wheels 19, so that the external force on the rolling wheels 19 at both ends can be guaranteed to be consistent, and the tilting of the supporting rod 18 should be avoided as much as possible. .

In addition, brackets 26 are also provided at the four corners of the bottom of the body 1, and rollers 27 are installed at the bottom of the bracket 26 for easy sliding. The outside of the bracket 26 is provided with a second spring 28, which can act as a buffer when the rapping block 14 is rapping. Effect.

The specific implementation of the utility model described above does not constitute a limitation to the protection scope of the utility model. Any other corresponding changes and deformations made according to the technical concept of the utility model shall be included in the rights of the utility model. within the scope of protection required.

Claims (6)

1. a kind of sand mixer of easy to clean, it is characterised in that: including body, be provided with feed inlet, body bottom at the top of the body Portion is provided with discharge port, and organism bottom is also fixedly installed with first motor, is fixedly connected on the output shaft of the first motor First driving wheel, first driving wheel are connected with the first driven wheel by belt, and first driven wheel is fixedly mounted on machine In the first rotating shaft of body inside center setting, the first rotating shaft boring setting is being located at the first of the internal body The second motor is fixedly installed in shaft, second motor is double end motor, and the second motor both ends output shaft stretches out first turn The second driving wheel is fixedly installed in the external position of axis, second driving wheel connects the second driven wheel by belt, described The second shaft is fixedly installed in second driven wheel, second shaft one end is rotatably connected on the first rotating shaft by bearing Outside, be fixedly installed with roller in the second shaft, the roller bottom is fixedly installed with rapping block, roller by the first spring It is fixedly installed with brush holder support far from second driven wheel one end, hairbrush is evenly equipped on the brush holder support, passes through branch on the top of first rotating shaft Bar is also fixedly installed with sand mixer rolling wheel, and the strut is vertically arranged with second shaft.

2. the sand mixer of easy to clean according to claim 1, it is characterised in that: be also fixedly installed in second shaft Bull stick is provided with detent projection outside the bull stick.

3. the sand mixer of easy to clean according to claim 1, it is characterised in that: first rotating shaft top two sides are also set up There is strip hole, the strut passes through the strip hole far from one end of sand mixer rolling wheel and is located at the hollow interior of the first rotating shaft Portion, and the gag lever post by being set to hollow interior is limited.

4. the sand mixer of easy to clean according to claim 3, it is characterised in that: be also fixedly installed on the strut and institute The retaining ring that branch rod-shape matches is stated, is overlapped at the top of the retaining ring at both ends and is connected with telescopic support rod, it is described telescopic Support bar top is rotatably installed in the body top inner wall by bearing.

5. the sand mixer of easy to clean according to claim 4, it is characterised in that: the body top center is fixedly installed with Fixed plate, the telescopic support rod are rotatably installed in the fixed plate by bearing.

6. the sand mixer of easy to clean according to claim 1-5, it is characterised in that: the organism bottom four corners It is additionally provided with bracket, the frame bottom is equipped with idler wheel, and bracket outer is arranged with second spring.