JPS6035020Y2 - Ice maker cylindrical ice plate - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to the improvement of an ice-making plate installed in an ice-making machine, and particularly relates to an annular ice-making plate main body made of a heat-transfer material and a similarly annular spacer made of a heat-insulating material. A cylindrical ice-making plate in which a large number of ice-making chambers are defined by stacking ice cubes and ice-making chambers alternately in the vertical direction, in which ice cubes of a certain shape can be well packed into the ice-making chambers. .

By the way, the present applicant has filed an earlier patent application (Japanese Patent Application No. 56-12).
7351), corresponds to an annular ice-making plate main body 1 made of a heat transfer material such as aluminum with a plurality of vertical partition walls 1b protruding from the surface 1a and the vertical partition walls 1b in the main body 1, as shown in FIG. Similarly, annular spacers 2 made of a heat insulating material such as resin are stacked alternately in the vertical direction. At the same time, by installing the cooling pipe 4 on the back side of the main body 1 for heat transfer, water flowing down from the water spray tank 5 above can be diverted into each of the ice making compartments 3. We have proposed a cylindrical ice-making plate 6 that freezes ice in the upper and lower ice-making compartments 3, 3.
We have achieved an ice maker that is easy to manufacture, allows the ice making capacity to be freely changed and selected, while preventing ice from being stacked vertically.

However, in the ice making plate proposed above, the ice making chamber 3 has its upper and lower surfaces formed by the horizontal partition walls 2b, 2b of the spacer 2 made of a heat insulating material, and its bottom and both sides formed by the surface of the ice making plate main body 1 made of a heat conducting material. 1a and vertical partition wall 1b,
The growth of ice within the ice making compartment 3 proceeds from the bottom and both sides of the ice making compartment 3.

Therefore, there is a problem in that the ice cubed in the ice making chamber 3 tends to be ice cubes that are intermediate in the vertical direction, and it is difficult to obtain ice cubes with a predetermined rectangular parallelepiped shape.

Furthermore, if the ice making time is lengthened to allow ice to grow in the middle area, ice will grow on both sides, causing ice to grow in the left and right ice making compartments.
, 3 has the disadvantage that the ice cubes are connected.

Therefore, in order to solve this problem, the present invention has been made by further improving the above-mentioned proposal.The tip of the vertical partition wall of the ice-making plate body that constitutes both sides of the ice-making compartment is made of heat-insulating material. This structure prevents the ice cubes in the left and right ice compartments from clumping together, while creating a uniform shape with no middle ground in each ice compartment (
The purpose of this invention is to make it possible to produce cube-shaped ice cubes in a good and efficient manner.

As a distant relative of this purpose, the configuration of the present invention includes an annular ice-making plate body made of a heat transfer material with vertical partition walls protruding from the surface thereof at regular intervals, and an annular ice-making plate body having vertical partition walls located on the main body corresponding to the vertical partition walls. A large number of ice-making compartments are defined by alternately stacking vertical partition walls and annular spacers made of a heat insulating material having horizontal partition walls provided between adjacent vertical partition walls, and A cylindrical ice-making plate for an ice-making machine in which a cooling pipe is thermally held on the back side of the ice-making plate body, characterized in that a heat insulating member is attached to the tip of a vertical partition wall of the ice-making plate body. It is something to do.

This suppresses the growth of ice from both sides of the ice-making compartment and promotes the growth of ice at the center in the vertical direction, making it possible to form ice cubes of a certain shape well.

Hereinafter, the present invention will be explained based on the embodiment shown in the drawings. In FIG. an annular ice-making plate main body 14 having a vertical partition wall 12 projecting thereon and having a recess 13 for holding a cooling pipe on the back surface;
4, a vertical partition wall 15 is protrudingly provided at a position corresponding to the vertical partition wall 12, and a similar annular spacer 17 is provided with a horizontal partition wall 16 between adjacent vertical partition walls 15 and 15. The ice making plate bodies 14 are stacked alternately so as to be sandwiched between the partition walls 12, 15 and 16.
A large number of ice making chambers 18 each having one side (outer surface) open are defined by the ice making chamber 18.

Here, the ice making plate main body 14 is formed by pultrusion molding a heat transfer material such as aluminum and then cutting it into a dimension corresponding to the vertical width of the ice cube to be manufactured.
A heat insulating material 19 made of resin or the like is attached to the tip of each vertical partition wall 12 in .

The spacer 17 is made of a heat insulating material such as synthetic resin, and the spacer 17 has multiple vertical and horizontal partition walls 15 and 16.
The interiors of the vertical partition walls 15 are hollow and open, and the tips of two predetermined vertical partition walls 15 are provided with open cylindrical portions 15a that communicate with the hollow interior, and the tips of the other vertical partition walls 15 are A columnar body 15b is provided in a protruding manner.

Next, 20 is a water supply pipe connected to the cylindrical portion 15a of a predetermined vertical partition wall 15 of the spacer 17 located at the top stage;
22 is a drain pipe connected to a cylindrical portion (not shown) in a predetermined vertical partition wall 15 of the spacer 17 located at the lowest stage, and 22 is a drain pipe that connects the corresponding cylindrical portion 15a, 15a in each spacer 17. These are U-shaped communicating pipes, which form a series of ice-removing water passages from the water supply pipe 20 that pass through the interior of each spacer 17 and reach the drain pipe 21.
A meandering cooling pipe 23 is provided in the recess 13 provided on the back surface of the
are thermally fitted and held, and both ends 23a + 23a
is connected to a refrigerant circulation system (not shown).

Reference numeral 24 denotes an annular water spray tank placed above the ice-making plate 10, and a pump (
The tank 24 is provided with an inlet 25a for ice-making water that is pumped in from a pipe (not shown) and a drain 25b for discharging excess water, and a large number of water sprinkling holes 24a are drilled in the bottom of the tank 24. A semi-cylindrical protrusion 24b is provided at a predetermined position on the side surface of the tank 24, and a coupling band 26 made of a spring material is attached between the protrusion 24b and the columnar body 15b of the lowermost spacer 17. By locking the lower ends of the ice-making plate 10, the water spray tank 24 is connected to the ice-making plate 10.

In addition, each ice-making plate main body 14 and spacer 17 that constitute the ice-making plate 10
This means that the upper and lower ends of the coupling band 27, which is also made of a spring material, are respectively locked to the cylindrical parts 15a, 15a of the uppermost and lowermost spacers 17, 17, so that they are integrated. It is done like this.

Furthermore, 28 is a water tank installed below the ice-making plate 10;
9, 30. 31 is the ice making plate 1 connected as described above.
0 and the water tank 24 unit in a hanging manner inside the case (not shown) of the ice making machine, 29 is a support member that supports the ice making plate 10 from below, and 30 is a support member installed inside the case. hanging member, 31 is both members 29.30
This is a connecting member.

As shown enlarged in FIGS. 3 and 4, the upper and lower surfaces of the left and right vertical partition walls 12.12 of the ice-making plate main body 14 and the horizontal partition walls 16 of the spacer 17 constituting the ice-making chamber 18 are , the ice making chamber 18 is formed to have a punched shape toward the open surface.

That is, the wall surface of the vertical partition wall 12 of the ice-making plate main body 14 forms an angle slightly larger than 90° with respect to the surface 11 of the main body 14, and the upper and lower surfaces of the horizontal partition wall 16 of the spacer 17 respectively form an angle with respect to the horizontal plane. It is formed to be inclined downward and upward in the distal direction.

In addition, the installation height hl of the heat insulating material 19 installed at the tip of the vertical partition wall 12 in the ice making plate main body 14, which is a feature of the present invention, is the height hl of the side surface of the ice making chamber 18 (the wall surface height of the vertical partition wall 12). N and the wall height hl of the heat insulating member 19) is set in a range of 174 to 1/2.

Here, if the width of the bottom surface of the ice making compartment 18 is Wl, the width of the open surface is W2, and the vertical width of the bottom surface is W3, then Wl<W2,
As mentioned above, <h=h□+ and h□=(174~1/2
) The relationship is h.

As an example of specific actual dimensions, W1=2577! lI
, W2 = 30rm, Ws = 40mm, h = 30T
rrIILXh1=127a1h2=18 cabinets, 2
Ice cubes of 5 groups x (25 to 28) m x 40 mm are produced.

According to the above configuration, the ice making plate main body 1 in the ice making plate 10
4 vertical partition wall 12 and spacer 17 vertical and horizontal partition wall 15.
Water for ice making is made to flow down from the water tank 24 above into each ice making compartment 18 defined by the spacer 16.
The ice-making plate body 14 is allowed to flow into the lower chamber along the surface of the horizontal partition wall 16 and the surface 11 of the ice-making plate main body 14, and the cooling pipe 23 held in the recess 13 on the back surface of the ice-making plate main body 14
As a result, the water flowing into the ice making chamber 18 is absorbed by the ice making plate main body 14 and is frozen.

Here, looking at the formation of ice in the ice making chamber 18, when it begins to freeze, as shown by the line a in FIG. The ice grows along the wall surface and gradually grows toward the center of the ice making chamber 18, and in the middle of the ice, it becomes concave in the vertical direction as shown by line b in FIG.

However, a heat insulating material 19 is provided at the tip of the vertical partition wall 12.
is installed, the growth of ice from the wall surface of the vertical partition wall 12 toward the tip (towards the insulating material 19 side) is suppressed, and the growth toward the center is accordingly promoted.
As a result, when the ice making is completed, the intermediate portion disappears as shown by line C in FIG. 3, and ice cubes having a constant shape of a substantially rectangular parallelepiped are successfully produced.

Moreover, the ice cubes can be efficiently produced without increasing the ice making time, and the presence of the heat insulating material 19 prevents the ice cubes in the left and right ice making compartments 18, 18 from contiguously.

At that time, the mounting height hl of the heat insulating member 19 is
By setting the side height h in the range of 1/4 to 1/2, the growth of ice from the wall surface of the vertical partition wall 12 toward the tip can be moderately suppressed, and the growth of ice to the middle part can be suppressed. It is preferable in terms of promoting ice cubes, and can efficiently produce ice cubes with a good uniform shape in a short time.

When ice cubes are well produced in each ice making compartment 18,
By supplying hot gas to the cooling pipe 23 on the back side of the ice making plate main body 14, the surface of the ice cubes is heated and melted through the main body 14, and the ice cubes are separated from the ice making compartment 18.
8 and the slope of the upper surface of the horizontal partition wall 16 of the JP-A seat 17 allow the ice cubes to fall smoothly and are stored.

As described above, the present invention consists of an annular ice-making plate body made of a heat transfer material with vertical partition walls protruding from the surface at regular intervals, and an annular spacer made of an insulating material, which are alternately arranged in the vertical direction. In a cylindrical ice-making plate of an ice-making machine, in which a large number of ice-making compartments are formed by stacking the ice-making plate on top of each other, and cooling pipes are thermally held on the back side of the ice-making plate body, the vertical partition wall of the ice-making plate body is Since the structure is such that a heat insulating member is attached to the tip, it moderately suppresses the growth of ice from the wall surface of the vertical partition wall of the ice making plate body toward the tip, and promotes the growth of ice toward the center of the splitting ice chamber. To provide an ice maker that can efficiently and efficiently produce ice cubes in a predetermined shape of a rectangular parallelepiped without a mouth, and can prevent the ice cubes in the left and right ice maker compartments from clumping together. It has the effect that can be achieved.

[Brief explanation of the drawing]

Figure 1 is an enlarged vertical cross-sectional view of the main parts of a conventional ice-making plate;
Fig. 4 shows an embodiment of the present invention, Fig. 2 is an exploded perspective view showing the overall configuration, Fig. 3 is an enlarged cross-sectional plan view of the ice-making plate main body, and Fig. 4 is an enlarged perspective view of the ice-making compartment. It is a diagram. 10...Ice plate, 11...Surface, 12
... Vertical partition wall, 14 ... Ice plate body,
15... Vertical partition wall, 16... Horizontal partition wall, 17... Spacer, 18... Ice making room, 1
9...Insulating material, 23...Cooling pipe.

Claims (1)

[Scope of utility model registration request] An annular ice-making plate main body 14 made of a heat transfer material with vertical partition walls 12 protruding from a surface 11 at regular intervals, a vertical partition wall 15 located corresponding to the vertical partition wall 12 in the main body 14, and an adjacent vertical partition wall. 15. A large number of ice-making compartments 18 are defined by vertically stacking spacers 17 made of a heat insulating material having horizontal partition walls 16 provided between the ice-making compartments 18. A cylindrical ice-making plate for an ice-making machine in which a cooling pipe 23 is thermally held on the back surface of a plate body 14, and a heat insulating material 19 is attached to the tip of a vertical partition wall 12 in the ice-making plate body 14. A cylindrical ice plate for an ice maker featuring: