JP2022123322A - container cleaning equipment - Google Patents

Abstract

To provide a device that cleans the entire inner surface of a container efficiently and with high degree of cleanliness.SOLUTION: Cleaning is performed by making fan-shaped injection water W from a nozzle 7 collide while drawing a spiral locus S15 by rotation of a water injection pipe body 5.SELECTED DRAWING: Figure 5

Description

TECHNICAL FIELD The present invention relates to a container cleaning device, and more particularly to a container cleaning device that can be used for high-level cleaning of baby bottles, culture bottles, medicine bottles, and the like.

Conventionally, there has been known a washing machine using a rotating brush for washing baby bottles, etc., but washing may not be sufficient due to uneven contact of the rotating brush.
Therefore, a container such as a baby bottle is placed in an inverted state, a small cylinder for water ejection is inserted from the lower opening, and water is ejected from a large number of small ejection holes provided through the peripheral wall of the small cylinder. Therefore, an apparatus for cleaning the inner surface of a container has been proposed (see Patent Document 1, for example).

JP 2006-158702 A

However, the invention described in Patent Document 1 has the following problems. (i) Since a large number of small ejection holes are formed in the small cylinder for water ejection that is inserted into the container from below, the momentum of the water ejected from each ejection hole (conversely) was weakened, and sufficient cleaning of the inner surface was difficult. (ii) Cleaning takes a long time because the force of jetting water from each jetting hole is weak. (iii) more water is used;

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a container cleaning apparatus which solves the problems of the prior art and which can completely remove stains from the entire inner surface of a container and perform cleaning quickly.

Therefore, in the container cleaning apparatus according to the present invention, a fan-shaped jet water generating nozzle is inserted from the lower opening of the container to be cleaned held in an inverted position, and the container to be cleaned and the nozzle are moved relatively to each other. It is moved vertically and relatively rotated around a vertical axis; it collides with the inner surface of the container to be cleaned while drawing a spiral trajectory to clean the entire inner surface.

In addition, a large number of water injection pipe bodies having a water conduit part of a predetermined height and a fan-shaped water jet generating nozzle attached to the upper end of the water conduit part are arranged vertically in parallel to each other, and can be rotated on the base. and a rotary driving means for rotating and driving the plurality of water injection pipes around a vertical axis; holding a plurality of containers to be cleaned in an inverted posture; a container holding frame for holding the container to be cleaned directly above the plurality of vertically arranged water injection pipes; As the container holding frame to be cleaned is lowered by the driving means, the water injection tubular body is inserted from the lower opening of the container to be cleaned held in the inverted position on the holding frame. The fan-shaped jet water from the nozzle collides with the entire inner surface of the cleaning container while drawing a spiral trajectory due to the rotation of the water jet tube, and cleans the entire inner surface of the cleaning container.

Further, the number of water injection pipes is a large number, which means that the number of pipes is 4 or more and 48 or less.
In addition, the rotation drive means has a gear fixed to the lower portion of each of the multiple water jet pipes, and furthermore, the axial center point of all the gears is positioned at each crossing point of the grid in a plan view. In addition, adjacent gears are meshed with each other to form a lattice-like close gear group in which all the gears are interlocked and connected; the rotational driving force from the drive motor is applied to the lattice-like close gear group. It is configured to transmit to one passive gear selected from within.
Also, the pressure of the water jetted from the nozzle was set to a high pressure of 0.3 Mpa to 1 Mpa.

The fan-shaped high-pressure jetted water jetted from the nozzle impacts the entire inner surface of the container with a helical trajectory combining the vertical motion and the rotary motion, and can wash the entire inner surface of the container efficiently and with a high degree of cleanliness.

1 is a partial cross-sectional front view showing an embodiment of the present invention immediately before cleaning is started; FIG. It is a partial cross-sectional side view which shows the state just before a washing|cleaning start. It is a partial cross-sectional front view which shows a washing state. It is a partial cross-sectional side view which shows a washing state. FIG. 4 is an explanatory view of the state in which the inner surface of the container is washed by jet water, (A) is an explanatory view of the operation of each component, and (B) is an illustration of the collision of the jet water against the inner surface of the container assuming that the container is stationary. It is explanatory drawing of the locus|trajectory which follows. It is a principal part perspective view. It is a principal part top view. It is a principal part perspective view. It is a principal part cross-sectional front view. FIG. 4 is an enlarged cross-sectional view of a main part;

The present invention will be described in detail below based on the illustrated embodiments.
In FIGS. 1 to 4, an inner tank body 3 having an opening/closing door 2 and a freely openable inner tank body 3 is provided in an outer casing 1. As shown in FIG. The inner tank body 3 contains the main part of the container washing apparatus.

5 is a water injection pipe body. The water injection pipe body 5 has a vertical water conduit portion 6 with a predetermined height and a nozzle 7 attached to the upper end thereof for generating fan-shaped water injection W. As shown in FIG.
As shown in FIGS. 6 to 9, a large number of water jet pipes 5 are rotatably erected on a base 8 so as to be vertically parallel to each other.

In addition, a rotary drive means Y is provided for rotating a large number of water jet pipes ₅ around the vertical axis L5.
In the present invention, "a large number" of water injection pipe bodies 5 means a case of 4 or more and 48 or less.
The rotary drive means Y includes a drive motor 9 and a large number of gears G5 fixed to the lower portions of the water injection tubes ₅ , respectively.

As is clear from FIGS. 6 and 7, etc., the axial points O5 of all the gears G5 fixed to the water jet tube body ₅ correspond to the positions of the crossing _points of the grid in plan view. Further, the adjacent gears G ₅ and G ₅ are meshed with each other (as shown in FIGS. 6 to 9) to interlock all the gears G ₅ (24 in FIGS. 6 and 7). Together, they constitute (form) a grid-like close-contact gear group _G100 .
A drive gear G9 is fixed to the output shaft of the drive motor ₉ , and _one passive gear ₁₀ selected from the grid-shaped close gear group G100 is connected to the drive motor through an intermediate gear G10. The rotational driving force from 9 is transmitted.

The grid-like close gear group G ₁₀₀ draws a rectangular outline in plan view, and one gear existing on one side of the rectangular outline is selected as the passive gear 10. ₁₀ , all the 24 gears G5 rotate smoothly ₍ in conjunction with each other) as indicated by the arrow R in FIG.
In other words, all (24) water injection pipe bodies 5 (nozzles 7) rotate in the direction of arrow R in conjunction with each other. In particular, this results in alternating right and left rotations.

1 to 4, reference numeral 20 denotes a container holding frame to hold a large number of containers 15 to be cleaned in an inverted posture. For example, it is mainly composed of a metal wire. Moreover, the supporting bottom surface is supported by the metal wire or the like so that the water injection tube 5 can be inserted into the lower opening portion 15A of the container 15 while supporting the lower opening edge of many containers 15 to be cleaned in an inverted posture. form a frame.

More specifically, the container 15 to be cleaned (inverted) is placed directly above the water jet pipes 5 (see FIG. 6) erected on the base 8, and the holding frame 20 is , holds (see FIGS. 1 to 4).
Reference numeral 12 denotes an elevation driving means for raising and lowering the container holding frame 20 (described above).

The elevation driving means 12 will be described below. 13 is a linear motor. With a vertical rack rod 14 fixed to the upper surface of the inner tank body 3, a motor body 16, a reduction gear and a driving force transmission part 17 having a pinion gear (to move the rack rod 14 up and down), etc. The linear motor 13 is constructed.

A motor body 16 and a driving force transmission part 17 of the linear motor 13 are mounted on a rectangular plate 18, and four slide shafts 19 are vertically provided from the rectangular plate 18. The slide shaft 19 protrudes inside from the ceiling wall surface 3A of the body 3. As shown in FIG.

A support frame 22 for supporting the container holding frame 20 to be cleaned is connected by the slide shaft 19 in a suspended manner.
Further, on the support frame 22, rail members 24 with wheels 23 are provided so that the container holding frame 20 to be cleaned can be moved in and out of the inner tank body 3 when the opening/closing door 2 is opened (see FIG. 2). is attached.

In this manner, the holding frame 20 holding the container 15 to be cleaned in an inverted position is accommodated in the inner space of the support frame 22 while being placed on the rail members 24, 24, as shown in FIGS. 1 to 4. As described above, it is suspended by the slide shaft 19 and lowered and raised by the driving force of the linear motor 13 .

When the holding frame 20 is lowered by the above-mentioned elevation driving means 12, it is held in an inverted posture within the holding frame 20 from the state shown in FIGS. 1 and 2 as shown in FIGS. A water injection tube 5 is inserted from the lower opening 15A of the container 15 to be cleaned.

Moreover, since the water jet pipe body ₅ is rotated around the vertical axis L5 by the rotary driving means Y, as shown in FIG. , the inner surface 15Y of the container 15 to be cleaned can be entirely cleaned by colliding against the inner surface 15Y.

More specifically, the arrows V ₁ and V ₂ shown in FIG. 5A indicate the lowering and raising operations of the container 15 (provided by the lift drive means 12 shown in FIGS. 1-4). . Further, an arrow M5 indicates the rotational movement of the water jet tube body ₅ around the vertical axis.

The spiral trajectory _S15 in the present invention means that, as shown in FIG. It means that the trajectory of the parts that collide with the inner surface 15Y of the container one after another is spiral.
Moreover, as shown in FIG. 5B, it is clear that the entire cylindrical inner surface portion ₍ along the axis L5) of the inner surface 15Y of the container ₁₅ is uniformly washed by the spiral locus S15. However, the fan-shaped jet water W shown in FIG. ₅ (A) draws a spiral trajectory S15 while rotating as indicated by an arrow M5, and strikes the bottom surface 15B and the corner _15C of the inner surface 15Y of the container 15. Even so, the bottom surface 15B and even the corners 15C are completely and sufficiently washed by the powerful collision of the jet water W. As shown in FIG.

The configuration and action of the present invention can be summarized as follows based on FIGS. 5(A) and 5(B). That is, the nozzle 7 for generating the fan-shaped jet water W is inserted from the lower opening 15A of the container 15 to be cleaned held in an inverted posture, and the container 15 to be cleaned and the nozzle 7 are moved in the vertical direction relative to each other. and relatively rotate around the vertical axis.

Here, "relatively moving in the vertical direction" means moving the container 15 in the vertical direction with the nozzle 7 fixed in the vertical direction, as shown in FIGS. However, it is assumed that the nozzle 7 is driven to freely reciprocate up and down, and conversely, the container 15 is fixed and held without being moved up and down.

Further, "relatively rotating around the vertical axis" means rotating the water injection tube body 5 and keeping the container 15 stationary around the vertical axis, as shown in FIGS. Another case (not shown) is assumed in which the water jet tube body 5 is fixed without being rotated and the container 15 is rotated around the vertical axis.

The container 15 and the nozzle 7 are relatively moved vertically and relatively rotated around the vertical axis, and the fan-shaped jet water W collides with the inner surface 15Y of the container 15 while drawing a spiral trajectory. and wash the entire inner surface 15Y.

In the present invention, the pressure of water jetted from the nozzle 7 is a high pressure of 0.3 Mpa to 1 Mpa. If it is less than the lower limit, it becomes difficult to wash efficiently and quickly. If the upper limit is exceeded, the size of the pipes, pipe joints, etc. becomes large, making it difficult to select a sealing material for rotating parts to maintain sealing performance, and shortening the service life.

With reference to FIGS. 6 and 7, etc., the entire base 8 has already been explained, and the grid-like close contact gear _G100 has already been explained. , the (six) unit units U ₈ constituting the base 8 will be additionally explained.

This unit U ₈ is square in plan view, and a (square) upper panel 31 and a (square) lower panel 32 are overlapped and integrated with bolts (not shown). Circular holes 33 are provided vertically through the inner positions corresponding to the four corners, and bearing units 34 are fitted in the circular holes 33 .

The bearing unit 34 has an outer cylindrical body 35, and the lower end portion 6A of the water conduit portion 6 is inserted into the axial center hole 35A of the outer cylindrical body 35 in the vertical direction. The lower end portion 6A is connected and integrated with the conduit main body 6B by a screw connection 36. As shown in FIG.

The lower end portion 6A has a bottomed shaft center hole 37, which is formed to a depth up to a vertical intermediate position of the lower end portion 6A, and four radial holes 38, 38, 38, 38 are formed into the bottomed shaft. It is communicatively connected to the core hole 37 .
A radial passage hole 35C is formed through the outer cylindrical body 35, and the four radial holes 38, 38, 38, 38 communicate with the passage hole 35C.

Reference numeral 25 denotes a pipe connection joint which, as shown _in FIGS. The joint 25 is connected to the center of the lower surface (bottom view) of the unit unit U8 _in order to supply the cleaning water to the provided flow path 26 (illustrated by the dotted line in FIG. 9).

Arrows F ₂₆ , F ₂₆ shown in FIG. 9 indicate the flow (direction) of the washing water, and indicate the direction in which the upward flow supplied from the joint 25 branches into four and flows in the horizontal direction.
As described above, the washing water flowing through the joint 25 into the center of the square when the unit U ₈ is viewed from the bottom flows through the four bearing units 34 through the X-shaped flow path (not shown) in plan view. , 34, 34, 34, then ascends through the inner hole of the conduit main body 6B via the bottomed shaft center hole 37, and is jetted from the nozzle 7 in a fan shape.

As described above, each unit U ₈ has the effect of dividing the fan-shaped jet water W jetted from the nozzles 7 of the four water jet pipes 5 , 5 , 5 , 5 so as to be evenly distributed.
Moreover, in FIGS. 1 to 4, the six small-diameter pipes 28 connected to the high-pressure water branch pipe 27 for sending out high-pressure water supplied from a pump (not shown) are the same. , the water passage resistance (pressure loss) is made the same.

In this way, the passage resistance of water from each branch point of the high _- pressure water branch pipe 27 to the joint 25 of all the unit units _U8 becomes equal. As described above, since the passage resistance of water to the nozzles 7 at the tips of the four water injection pipes 5 is also the same, all (24 in the figure) nozzles 7 have the same flow rate (flow velocity), It becomes possible to jet out fan-shaped jet water W.

9 and 10, the bearing unit 34 is described. 39, 39 are two bearings, 40, 40 are first seal members such as X-rings, and 41, 41 are bearing retainers.
A reference numeral 42 denotes a cup-shaped retaining member fixed to the lower end of the lower end portion 6A of the water conduit portion 6 with a bolt 43. As shown in FIG. As shown in FIGS. 8 and 9, the half set collars 44, 44 which are integrally fastened with bolts are for fixing the gear G5 to the water conduit portion _6. As shown in FIG.
In the present invention, the sprayed water W includes warm water and detergent-containing water (hot water).

As described in detail above, the present invention inserts the fan-shaped jet water generating nozzle 7 from the lower opening 15A of the container 15 to be cleaned held in an inverted position, and the container 15 to be cleaned and the nozzle 7 is relatively moved in the vertical direction and relatively rotated around the vertical axis; Since it is configured to be washed, it becomes possible to wash the inner surface 15Y of the container 15 to be cleaned to every corner reliably in a short time. For example, the bottom surface of the container 15 and even the peripheral edge (corner) of the bottom surface can be reliably washed. In particular, the impact force of the fan-shaped jet water W jetted from the nozzle 7 is remarkably large, and even dirt that is difficult to remove can be efficiently and reliably removed.

In addition, a large number of water injection pipe bodies 5 having a water conduit portion 6 of a predetermined height and a fan-shaped water jet generating nozzle 7 attached to the upper end of the water conduit portion 6 are vertically arranged in parallel to each other, rotatably erected on a base 8; and a rotary drive means Y for rotating and driving a large number of water jet pipes ₅ around a vertical axis L5; a container-to-be-cleaned holding frame 20 which holds the container-to-be-cleaned 15 directly above the plurality of water jet pipes 5 erected on the base 8; The container to be cleaned is held in an inverted posture on the holding frame 20 as the frame 20 for holding the container to be cleaned is lowered by the lifting drive means 12. The water jet pipe 5 is inserted from the lower opening 15A of the container 15, and the fan-shaped jet water W from the nozzle 7 is applied to the entire inner surface 15Y of the container 15 to be cleaned. , so that a large number of containers ₁₅ to be cleaned (from 4 to 48) can be cleaned efficiently and extremely cleanly. rice field. In addition, while the large number of containers 15 to be cleaned can be cleaned at the same time, the overall apparatus can be made compact, and even the bottom surfaces and corners of each of the large number of containers 15 can be cleanly cleaned. It was realized. In particular, the impact force of the fan-shaped jet water W ejected from the nozzle 7 (on the inner surfaces 15Y of the containers 15 to be cleaned) is extremely large, and such an extremely large impact force is applied to the inner surfaces 15Y of many containers 15 at once. There is also the advantage that it can be applied and that the amount of water used can be reduced.

In addition, in the present invention, the number of water jet pipes 5 is 4 or more and 48 or less, so that a large number of containers 15 can be washed efficiently as a whole.

In addition, the rotation drive means Y has a gear G5 fixed to the lower part of each of the water jet pipes ₅ , and furthermore, all the gears G ₅ , the adjacent gears G5, G5 are _meshed with each other, and all the gears _G5 are _interlocked to form a grid _- like close gear group _G100 . ; Since it is configured to transmit the rotational driving force from the drive motor 9 to one passive gear 10 selected from the grid-like close gear group G ₁₀₀ , a large number of water injection pipe bodies 5 (and The nozzles 7) can be densely arranged (to the limit), the device can be made compact, and the number of containers 15 that can be washed at one time can be maximized (when compared with a washing device with the same cross-sectional area). It can be increased up to a limit. Moreover, there is no need to interlock the gears with a conventional chain or the like, so there is the advantage that failure does not occur and the life of the device is extended.

Further, by setting the pressure of the water jetted from the nozzle 7 to a high pressure of 0.3 Mpa to 1 Mpa, the ability to wash the inner surface 15Y of the container 15 is significantly improved. Moreover, due to such high pressure and the impingement of the fan-shaped jet water W against the inner surface where the spiral trajectory _S15 is drawn, extremely high efficiency and high cleaning performance can be exhibited.

5 Water injection tube body 6 Conduit portion 7 Nozzle for generating fan-shaped water injection 8 Base 9 Drive motor
10 passive gear
12 lift drive means
15 Container to be cleaned
15A lower opening
15Y inner surface
20 Container-to-be-cleaned holding frame G ₅ gear G ₁₀₀ grid-shaped close gear group L ₅ vertical axis O ₅ axis center S ₁₅ spiral trajectory W fan-shaped jet water Y rotation driving means

Claims (5)

A fan-shaped jet water generating nozzle (7) is inserted from the lower opening (15A) of the container to be cleaned (15) held in an inverted position, and the container to be cleaned (15) and the nozzle (7) are connected. , relatively move up and down and relatively rotate around the vertical axis,
A container cleaning apparatus characterized in that the container to be cleaned (15) is collided against the inner surface (15Y) while drawing a spiral trajectory to clean the entire inner surface (15Y). A large number of water injection pipe bodies (5) each having a water conduit portion (6) with a predetermined height and a fan-shaped water jet generating nozzle (7) attached to the upper end of the water conduit portion (6), rotatably set up on the base (8) as mutually parallel vertical shapes,
and a rotational driving means (Y) for rotationally driving the plurality of water injection pipe bodies (5) around a vertical axis (L ₅ ),
Further, a large number of containers (15) to be cleaned are held in an inverted position, and the containers (15) to be cleaned are placed directly above the large number of water injection pipes (5) erected on the base (8). a to-be-cleaned container holding frame (20) to be held;
a lifting drive means (12) for lifting and lowering the container holding frame (20),
prepared,
As the container-to-be-cleaned holding frame (20) is lowered by the lift drive means (12), the lower opening ( 15A), the water jet pipe body (5) is inserted, and the fan-shaped jet water (W) from the nozzle (7) is applied to the entire inner surface (15Y) of the container (15) to be cleaned, A container washing apparatus characterized in that it is constructed so as to wash by colliding while drawing a spiral trajectory (S ₁₅ ) by the rotation of the water injection pipe body (5). 3. The container washing apparatus according to claim 2, wherein the number of the water injection pipes (5) is a large number of 4 or more and 48 or less. The rotation driving means (Y) has a gear (G ₅ ) fixed to the lower part of each of the multiple water jet pipes (5), and furthermore, in plan view, all The axial center point ₍ O5) of the above gear ₍ G5) is matched, and the adjacent gears ₍ G5) ₍ G5) are meshed with each other, and all the multiple gears ₍ G5) are interlocked. forming a grid-like close gear group (G ₁₀₀ ) consisting of
Claim 2 or 3, wherein the rotary drive force from the drive motor (9) is transmitted to one passive gear ( ₁₀ ) selected from the grid-shaped close gear group (G100). Container washing equipment. 5. A container washing apparatus according to claim 1, 2, 3 or 4, wherein the pressure of the water jetted from said nozzle (7) is set at a high pressure of 0.3 Mpa to 1 Mpa.

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