KR20070066716A - Mixing device - Google Patents

Abstract

The present invention relates to a mixing device that can be installed inside the container portion to lift the stirring blades for mixing the contents to facilitate the cleaning of the inside of the container portion, such that the stirring blade is spaced apart from the bottom surface of the container It is an object of the present invention to provide a mixing device that can easily clean inside, prevent medicinal substances from remaining and use a fixed amount, and prevent mixing with other medicinal substances. Mixing apparatus according to the present invention for achieving the object is a stirrer rotatably provided with a container portion for receiving the contents to be mixed, and a plurality of stirring blades for mixing the contents accumulated on the bottom surface of the container portion, It is connected to the stirrer and includes an elevator for lifting the stirring blade from the bottom of the container portion.

Description

Mixing Unit {APPARATUS OF MIXING}

1 is a cross-sectional view of a mixing device according to the present invention.

2 is a cross-sectional view of the stirring blade of the mixing device according to the present invention in an elevated state.

<Explanation of symbols for the main parts of the drawings>

10: mixing device 20: container

22: lid 23: hinge

24: cylinder 30: stirrer

32: stirring blade 33: handle

34: drive unit 36: rotation axis

36a: 1st axis 36b: 2nd axis

37: slit 38: protrusion

35: worm gear 39: worm wheel

40: elevator 42: cylinder

43: piston rod

The present invention relates to a mixing device for mixing a medicine or the like made of powder, liquid, etc. More specifically, it is installed inside the container portion can lift the stirring blades for mixing the contents to facilitate the cleaning of the inside of the container portion, etc. A mixing apparatus that can be performed.

Generally, medicines are taken for the treatment or prevention of a sore, wound, etc., and these medicines are prepared in a mixture of various components for improving the efficacy or a complex therapeutic effect. In addition, such medicines are prepared in a liquid or contents state, and are mixed in a constant ratio, respectively.

On the other hand, conventionally, a mixing device is used to uniformly mix various chemicals, and the mixing device is composed of a container part for accommodating contents and a stirrer for mixing the contents contained in the container portion. The stirrer includes a driving unit operated by application of power, and the driving unit is coupled to a plurality of stirring vanes. In the conventional mixing device configured as described above, the stirring vane is disposed in close proximity to the bottom surface of the container portion, and rotates during operation of the driving portion to mix the contents in the container portion.

However, the conventional mixing device is not easy to clean the inside of the container portion after the operation is completed as the stirring blade is disposed close to the bottom surface of the container portion. Accordingly, there is a possibility that the contents of the medicine and the like may remain between the stirring blade and the bottom surface, and thus the mixing ratio of the medicine or the unwanted medicine may be mixed, thereby reducing the quality of the medicine. Moreover, in the case of medicines that need to use the dose correctly, the remaining medicines may cause side effects as the dose becomes inaccurate or mixed with other medicines, and after stirring after separating the stirring blade for cleaning When reassembling the wing, the stirring blade hits the bottom of the container occurs, which may damage the bottom of the container, the medicine may remain in the damaged bottom of the container.

An object of the present invention is to solve such a conventional problem, it is easy to clean the inside of the container portion by allowing the stirring blades to be spaced apart from the bottom surface, there is no remaining of the medicinal herbs can be used to quantitatively, It is to provide a mixing device that can prevent the mixing of.

Mixing apparatus according to the present invention for achieving the above object is a stirrer rotatably provided with a container portion for receiving the contents to be mixed, a plurality of stirring blades for mixing the contents contained in the container portion, the stirrer And an elevator for lifting the stirring blades from the bottom of the container part.

In addition, the elevator may include a cylinder installed on the base surface, the stirrer may be connected to the piston rod of the cylinder can be elevated.

On the other hand, the stirrer, a first shaft is connected to the drive unit and rotates and has a hollow portion formed therein, and is inserted into the hollow portion and rotates in conjunction with the first axis to rotate the stirring blade, the axial direction It may include a second axis movably coupled to. Here, the first axis and the second axis may be interlocked rotation by the combination of the protrusion formed on the second axis and the slit formed on the first axis. In addition, the first axis and the second axis may be interlocked rotation by the coupling of the spline, when the spline is separated only the second axis is rotated. In addition, the elevator includes a cylinder installed on the base surface, the second shaft may be connected to the piston rod of the cylinder can be elevated. In addition, a thrust bearing may be interposed between the second shaft and the end of the piston rod of the cylinder. In addition, it may further include a handle for manually rotating the stirring vane.

Such a characteristic configuration and the effects thereof according to the present invention will become more apparent from the detailed description of the embodiment of the mixing apparatus with reference to the accompanying drawings.

1 is a cross-sectional view of a mixing device according to the invention.

As shown in FIG. 1, the mixing device 10 according to the present invention includes a container part 20 for accommodating a powdered medicine and a stirrer 30 for mixing the powder contained in the container part 20. ) Is installed.

The container portion 20 is formed with an opening for injecting powder on one side, the inlet is opened and closed by the lid (22). The lid 22 is rotatably mounted on one side of the hinge 23, the cylinder 24 is connected to one end thereof to open and close the lid 22 in accordance with the operation of the cylinder 24.

In addition, one side of the container portion 20 may be formed with a powder outlet (not shown) for discharging the powder in the container portion 20 to the outside, the powder outlet is a stopper which is removed only when the powder is discharged Blocked by

The stirrer 30 has a plurality of stirring blades 32 are rotatably installed in order to mix the tungmal introduced into the container portion 20, the driving unit 34 for driving it is installed on one side. The stirring blade 32 has a central axis is coupled to the rotation shaft 36 of the drive unit 34.

In addition, the stirring vane 32 may rotate the stirring vane 32 manually during internal cleaning or maintenance. For this purpose, the stirring vane 32 may be provided with a handle 33.

Here, the rotating shaft 36 is rotatably supported by a bearing or the like, and specifically, includes a first shaft 36a which is connected to the driving unit 34 and rotates, and the first shaft 36a is inside The hollow part is formed in a. In addition, the hollow portion is provided with a second shaft (36b) coupled with the stirring blade (32). The second shaft 36b rotates in association with the first shaft 36a and transmits rotational force to the stirring blade 32. In addition, the second shaft 36b is installed to be movable in the axial direction.

To this end, a slit 37 is formed at one side of the first shaft 36a, and a protrusion 38 is inserted into the slit 37 and a projection 38 for transmitting rotational force may be installed at the second shaft 36b. have. At least two protrusions 38 protrude from the second shaft 36b in a direction perpendicular to the second shaft 36b to transmit the rotational force of the first shaft 36a to the second shaft 36b. To this end, the slits 37 formed on the first shaft 36a are formed to correspond to the number of the protrusions 38.

In the present invention, the second shaft 36b is configured so that the rotational power is transmitted by the protrusion 38 installed in the slit 37, but either one of the first shaft 36a or the second shaft 36b. It is also possible to be made to transmit the rotational force by the key groove and the key (Key) is formed, can be easily coupled and separated as a conventional coupling means such as splines. At this time, when the first shaft (36a) and the second shaft (36b) lifts the stirring blade 32, the first shaft (36a) and the second shaft (36b) is separated, By using the handle 33, the stirring blade 32 and the second shaft 36b connected thereto may be more easily rotated.

In addition, the spline formed on the first shaft (36a) and the second shaft (36b) may be formed in a shape that guides the tip of the spline so that it can be easily coupled when the lifting stirring blade 32 is lowered. . That is, it may be formed of an inclined portion formed on the upper end of the first axis spline and / or the lower end of the second axis spline, the spline of the second axis in the process of the spline of the second axis is coupled with the spline of the first axis Guided by the inclined portion is a smooth coupling is made.

In addition, a worm gear 35 may be mounted on the drive shaft of the drive unit 34, and a worm wheel 39 for engaging with the worm gear 35 may be coupled to the first shaft 36a.

On the other hand, the stirrer 30 includes an elevator 40 for lifting the stirring blade 32 from the bottom surface of the vessel 20 during the cleaning of the vessel 20.

The elevator 40 includes a cylinder 42 installed on the base surface, the piston rod 43 of the cylinder 42 is coupled to the stirrer 30. The stirrer 30 is elevated as the piston rod 43 of the cylinder 42 moves up and down, and the stirring vanes 32 of the stirrer 30 are lifted from the bottom surface of the container portion 20.

Preferably the piston rod 43 is sufficient to be connected to the second shaft (36b) of the stirrer (30). That is, the elevator 40 is the piston rod 43 is connected to the second shaft 36b, and when lifting the piston rod 43 only lifts the second shaft 36b. At this time, the second shaft 36b is raised and lowered with the protrusion 38 being guided to the slit 37. In addition, when the stirring blade 32 is rotated between the second shaft 36b and the piston rod 43, a thrust bearing 45 may be interposed to smoothly rotate the stirring blade 32. .

Figure 2 is a cross-sectional view of the stirring blades of the mixing apparatus according to the present invention in an elevated state, referring to the operation of the present invention with reference to the following.

First, the lid 22 of the container 20 is opened, and powders to be mixed are added. Next, when the drive unit 34 of the stirrer 30 is operated, the worm gear 35 coupled to the drive shaft of the drive unit 34 rotates, and the worm wheel of the first shaft 36a engaged with the worm gear 35 39). As such, when the first shaft 36a is rotated, the second shaft 36b is interlocked and rotated by the protrusion 38 inserted into the slit 37 of the first shaft 36a.

Therefore, the stirring blade 32 is rotated, and the contents injected into the container 20 are mixed. At this time, the stirrer 30 may be controlled by a predetermined program, and accordingly, conditions such as rotation speed or rotation direction may be set differently.

As such, when the mixing of the contents introduced into the container 20 is completed, the cap (not shown) closed on one side of the container 20 is opened to discharge the contents.

On the other hand, in order to clean the inside of the container portion 20 to lift the stirring blades 32 to be spaced apart from the bottom surface of the container portion 20. To this end, when the cylinder 42 installed on the base surface is operated, the piston rod 43 of the cylinder 42 is raised to lift the second shaft 36b.

At this time, the second shaft (36b) is the projection 38 is raised in the axial direction within the length of the slit 37, the stirring blade 32 coupled with the second shaft (36b) is raised do.

When the stirring blade 32 is raised, the inside of the container part 20 and the stirring blade 32 are cleaned to prevent the contents from remaining. At this time, by holding the handle 33 installed on the stirring blade 32, by rotating the stirring blade 32, it is possible to clean the inside of the stirring blade 32 and the container portion 20 more clean.

As such, when the inside of the container 20 is cleaned, the cylinder 42 is operated to lower the piston rod 43.

In addition, when the piston rod 43 is lowered, the second shaft 36b connected thereto is lowered and the stirring blade 32 moves to its original position.

On the other hand, when the first shaft (36a) and the second shaft (36b) is coupled by a spline, when the elevator 40 raises the stirring blade (33), the first shaft (36a) and the Since the second shaft 36b is separated, the stirring blade 32 may be more easily rotated using the handle 33.

In addition, when the second shaft 36a is lowered, the spline of the second shaft 36a and the spline of the first shaft 36a are combined, and the first shaft 36a and the second shaft ( 36b) is combined. At this time, the second shaft 36b and the first shaft 36a may be guided by the inclined portion formed at the upper end of the first axis spline and / or the lower end of the second axis spline.

Although the mixing apparatus according to the present invention has been described with reference to the illustrated drawings as described above, the present invention is not limited to the embodiments and drawings described above, and the present invention is within the scope of the appended claims. Of course, various modifications and variations can be made by those skilled in the art. In the present invention, the medicine to be added to the container portion is described as being made of the contents, but is not limited to this may be applied to the medicine made of a liquid. In addition, the elevator may be directly connected to the cylinder installed on the base surface. At this time, during operation of the cylinder, the piston rod can lift the whole stirrer, thereby lifting the stirring blade connected to the stirrer.

As described above, the mixing device according to the present invention can raise the stirring blade from the bottom surface of the container portion, so that the inside of the container portion is easily cleaned and the contents do not remain. Therefore, not only the cleanliness of the container can be improved, but also the contents can always be mixed in a quantitative manner, the mixing ratio is not changed by the remaining contents, and the mixing of unwanted contents can be prevented. It is possible to improve the quality during manufacturing. In addition, when reassembly after the separation of the stirring blade is not generated friction with the bottom of the container, the bottom of the container and the stirring blade is not damaged, there is an effect that the durability is improved.

Claims (8)

A container portion for containing the contents to be mixed; A stirrer rotatably provided with a plurality of stirring vanes for mixing the contents contained in the container portion; And a lifter connected to the stirrer and lifting the stirring blades from the bottom of the container part. The method according to claim 1, The elevator includes a cylinder installed on the base surface, wherein the stirrer is connected to the piston rod of the cylinder is lifted, characterized in that the lifting device. The method according to claim 1, The stirrer, the drive unit, A first shaft connected to the driving part and rotating and having a hollow part formed therein; And a second shaft inserted into the hollow part and rotating in association with the first shaft to rotate the stirring vane, the second shaft being movably coupled in the axial direction. The method according to claim 3, The first shaft and the second shaft is a mixing device characterized in that the interlocking rotation is made by the combination of the projection formed on the second shaft and the slit formed on the first shaft. The method according to claim 3, The first shaft and the second shaft is interlocked rotation is made by the coupling of the spline, the mixing device, characterized in that only the second axis is made to rotate when the spline is separated. The method according to any one of claims 3 to 5, The elevator includes a cylinder installed on the base surface, wherein the second shaft is connected to the piston rod of the cylinder is lifted, characterized in that the lifting device. The method according to claim 6, And a thrust bearing is interposed between the second shaft and the piston rod end of the cylinder. The method according to any one of claims 1 to 5, And a handle for manually rotating the stirring vane.

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