CN115164465A - Ice tray and manufacturing method thereof - Google Patents
Ice tray and manufacturing method thereof Download PDFInfo
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- CN115164465A CN115164465A CN202210806500.9A CN202210806500A CN115164465A CN 115164465 A CN115164465 A CN 115164465A CN 202210806500 A CN202210806500 A CN 202210806500A CN 115164465 A CN115164465 A CN 115164465A
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- ice tray
- groove
- ice
- cover plate
- main body
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000003507 refrigerant Substances 0.000 claims abstract description 91
- 238000004512 die casting Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 21
- 229910000838 Al alloy Inorganic materials 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000011324 bead Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/04—Producing ice by using stationary moulds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/22—Construction of moulds; Filling devices for moulds
- F25C1/24—Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses an ice tray and a manufacturing method thereof, wherein the ice tray comprises an ice tray main body and a cover plate connected to the ice tray main body; the ice tray main body is manufactured by die-casting and integrally molding and is provided with a first surface and a second surface which are opposite, the first surface is provided with an ice grid, the second surface is provided with a groove, the cover plate is connected to the groove and is in sealing connection with the side edge of the groove, and a refrigerant channel is formed between the cover plate and the groove bottom of the groove; the ice tray comprises a bottom close to the second surface and an opening end far away from the second surface, and the size of the opening end is larger than that of the bottom; according to the ice tray, when ice is made, a refrigerant enters the refrigerant channel and then can directly contact with the ice tray main body to exchange heat without being conducted through an intermediate medium, heat loss is effectively prevented, the utilization rate of the refrigerant heat is improved, the size of the opening end of the ice tray is larger than that of the bottom of the ice tray, so that the side wall of the ice tray is formed into an inclined surface from top to bottom.
Description
Technical Field
The invention relates to the technical field of ice making, in particular to an ice tray for an ice maker and a manufacturing method thereof.
Background
An ice maker is an apparatus for making ice by freezing water through an ice tray, and an existing ice tray generally includes an ice tray main body, a plurality of ice grids are formed on one side of the ice tray main body, a refrigerant pipeline is formed on the other side of the ice tray main body, and the refrigerant pipeline extends along the bottoms of the ice grids, so that a refrigerant, such as a cooling liquid, can contact with the bottom walls of the ice grids to perform heat exchange after entering the refrigerant pipeline, and thus the water in the ice grids is made into ice.
However, the ice tray of the existing ice making machine is generally manufactured by independently manufacturing an ice tray main body and a refrigerant pipeline, then bending and welding the refrigerant pipeline to be fixed at the bottom of the ice tray main body, and conducting the refrigerant to exchange heat with the ice tray main body through the refrigerant pipeline after the refrigerant enters the refrigerant pipeline; and the ice grid on the existing ice tray main body is not easy to separate ice blocks from the ice tray after ice is made, so that ice removing is difficult, ice removing time is long, and ice making production efficiency is influenced.
Therefore, it is necessary to provide a new ice tray and a method of manufacturing the same to solve the above problems.
Disclosure of Invention
To solve the above problems, the present invention provides an ice tray and a method for manufacturing the same, which can effectively reduce heat loss, shorten ice-shedding time, and improve ice-making efficiency.
The invention adopts the following technical scheme: an ice tray includes an ice tray main body and a cover plate connected to the ice tray main body; the ice tray main body is manufactured by die-casting and integrally molding and is provided with a first surface and a second surface which are opposite, the first surface is provided with an ice tray, the second surface is provided with a groove, the cover plate is connected to the groove and is in sealing connection with the side edge of the groove, and a refrigerant channel is formed between the cover plate and the groove bottom of the groove; the ice tray comprises a bottom close to the second surface and an open end far away from the second surface, and the size of the open end is larger than that of the bottom.
Furthermore, the refrigerant channel comprises a first end and a second end, the cover plate is provided with a first through hole corresponding to the first end, and a second through hole corresponding to the second end; step parts are formed on the side edges of the grooves, and the cover plate is pressed against the step parts.
Furthermore, a plurality of ribs are arranged in the groove, the top surfaces of the ribs are flush with the top surface of the step part and are connected with the cover plate through friction stir welding, and the cover plate is connected with the side edge of the groove through friction stir welding.
Furthermore, the recess is the rectangle, has two long limits and two minor faces, a plurality of beads are respectively along being on a parallel with the long limit direction of recess extends, every at least one end of bead with the minor face of recess is connected, thereby will the refrigerant passageway is separated into circuitous crooked shape of extending.
Furthermore, the groove is rectangular and is provided with two long sides and two short sides, the convex edges extend in the direction parallel to the short sides of the groove respectively, and at least one end of each convex edge is connected with the long sides of the groove, so that the refrigerant channel is divided into a curved shape extending in a roundabout mode.
Furthermore, the ice grids are provided with a plurality of ice grids which are arranged into at least two rows, the groove bottoms of the grooves are also concavely provided with sunken parts towards the direction of the first surface, and the sunken parts are positioned between the side walls of two adjacent ice grids.
Furthermore, the ice tray comprises a bottom wall and four side walls connected with the bottom wall, every two adjacent side walls are in arc transition connection, and the four side walls are obliquely arranged relative to the bottom wall, so that the size of the opening end is larger than that of the bottom.
Furthermore, the inner side edge of the periphery of the opening end is provided with an arc part, and the arc length of the arc part is 1-3mm.
Furthermore, three of them the lateral wall with have first contained angle between the diapire respectively, first contained angle is the obtuse angle, another the lateral wall with have the second contained angle between the diapire, the second contained angle is greater than first contained angle, the second contained angle is 102 to 114 degrees.
The present invention also provides a method of manufacturing an ice tray, the method including:
providing an aluminum alloy material, and carrying out die casting on the aluminum alloy material through a die casting device to form an ice tray die casting piece with an ice tray on one surface and a groove on the other surface;
removing a casting opening of the ice tray die casting and carrying out sand blasting treatment to obtain an ice tray main body;
providing an aluminum alloy plate or an aluminum plate, and stamping the aluminum alloy plate or the aluminum plate through a stamping die to form a cover plate;
positioning the cover plate at a side of the ice tray main body having the recess;
welding and sealing the periphery of the cover plate and the side edge of the groove to form a refrigerant channel between the cover plate and the groove bottom of the groove; or coating sealant between the periphery of the cover plate and the side edge of the groove to form a refrigerant channel between the cover plate and the groove bottom of the groove;
providing a plastic part outer frame, fixing the plastic part outer frame on the outer side of the ice tray main body through screws, and coating neutral silicone weather-resistant glue on a position where a gap exists between the ice tray main body and the plastic part outer frame;
the ice tray is provided with a bottom close to the bottom of the groove and an opening end far away from the bottom of the groove, and the size of the opening end is larger than that of the bottom.
According to the ice tray, the ice grids are arranged on the first surface of the ice tray main body, the grooves are arranged on the second surface of the ice tray main body, the cover plate is connected to the grooves and is in sealing connection with the side edges of the grooves, the refrigerant channel is formed between the cover plate and the bottom of the groove, when ice is made, a refrigerant enters the refrigerant channel and can directly contact with the ice tray main body to perform heat exchange, and the heat conduction through an intermediate medium is not needed, so that the heat loss is effectively prevented, the heat utilization rate of the refrigerant is improved, the size of the opening end of the ice grid is larger than that of the bottom of the ice grid, the side walls of the ice grid are formed into the inclined planes from top to bottom, and when a heating medium is injected into the refrigerant channel after the ice is made, ice blocks in the ice grid can be quickly subjected to deformation reaction and separated from the ice grid, so that the ice shedding time is greatly shortened, and the ice shedding efficiency is improved.
Drawings
Fig. 1 is an exploded perspective view of an ice tray according to a first embodiment of the present invention;
FIG. 2 is another perspective exploded view of the ice tray according to the first embodiment of the present invention;
fig. 3 is a sectional view of an ice tray according to a first embodiment of the present invention;
fig. 4 is an exploded perspective view of an ice tray according to a second embodiment of the present invention;
fig. 5 is an exploded perspective view of an ice tray according to a third embodiment of the present invention;
fig. 6 is a sectional view of an ice tray according to a third embodiment of the present invention;
FIG. 7 is an exploded perspective view of an ice tray according to a fourth embodiment of the present invention;
fig. 8 is an exploded perspective view of an ice tray according to a fifth embodiment of the present invention;
fig. 9 is an exploded perspective view of an ice tray according to a sixth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, a first embodiment of the present invention provides an ice tray, including a tray main body 10 and a cover plate 20 connected to the tray main body 10; the ice tray main body 10 is integrally formed by die casting and has a first surface and a second surface which are opposite to each other, the first surface is provided with an ice tray 11, the second surface is provided with a groove 12, the cover plate 20 is connected to the groove 12 and is hermetically connected with the side edge of the groove 12, and a refrigerant channel 30 is formed between the cover plate 20 and the bottom of the groove 12; the ice tray 11 comprises a bottom 111 close to the second surface and an open end 112 far away from the second surface, the size of the open end 112 is larger than that of the bottom 111, i.e. the cross-sectional size of the open end 112 is larger than that of the bottom 111, so that the ice tray 11 is formed into a structure with a large top and a small bottom.
According to the ice tray, the ice grids 11 are arranged on the first surface of the ice tray main body 10, the grooves 12 are arranged on the second surface, the cover plate 20 is connected to the grooves 12 and is in sealing connection with the side edges of the grooves 12, the refrigerant channel 30 is formed between the cover plate 20 and the bottom of the groove 12, when ice is made, a refrigerant enters the refrigerant channel 30 and can directly contact with the ice tray main body 10 to exchange heat, heat loss is effectively prevented without conducting through an intermediate medium, the utilization rate of heat of the refrigerant is improved, the size of the opening end 112 of the ice grids 11 is larger than that of the bottom 111 of the ice grids 11, the side wall 114 of the ice grids 11 is formed into an inclined surface from top to bottom, after ice is made, when a heat medium is injected into the refrigerant channel 30, ice blocks in the ice grids 11 can be quickly deformed and separated from the ice grids 11, ice shedding time is greatly shortened, and ice shedding efficiency is improved.
The ice tray main body 10 is of an integrally formed structure, is preferably formed by aluminum alloy die casting, has good corrosion resistance, does not need to add an anti-corrosion process, and can reduce the production and manufacturing cost; the cover plate 20 is formed by stamping an aluminum or aluminum alloy base material; a groove 12 is formed in the second surface of the ice tray main body 10 through die casting, the groove 12 is rectangular and has two long sides and two short sides, every two adjacent sides are in arc transition connection, step parts 121 are respectively arranged on the two long sides and the two short sides, when the cover plate 20 is connected in the groove 12, the periphery of the cover plate 20 is pressed against the step parts 121, the cover plate 20 is in sealing connection with the side edges of the groove 12, so that the refrigerant channel 30 is formed between the cover plate 20 and the groove bottom of the groove 12, preferably, the cover plate 20 is in sealing connection with the side edges of the groove 2 through friction stir welding, the microstructure change of a welding joint heat affected zone is small, the residual stress is low, the cover plate 20 and the ice tray main body 10 are not easy to deform after welding, a long welding line can be completed at one time, the welding efficiency is high, and the sealing performance is good; preferably, the surface of the cover plate 20 is flush with the second surface, i.e. when the cover plate 20 is attached into the recess 12, the cover plate 20 does not protrude beyond the second surface; the ice tray main body 10 is formed by die-casting a plurality of ice grids 11 on a first surface thereof, the ice grids 11 are arranged in a matrix shape corresponding to the grooves 12, the ice tray main body 10 is a trapezoidal body, and the area size of the first surface is larger than that of the second surface.
The refrigerant channel 30 includes a first end 31 and a second end 32, the first end 31 is an injection end of the refrigerant channel 30, the second end 32 is an outflow end of the refrigerant channel 30, the cover plate 20 is provided with a first through hole 21 corresponding to the first end 31, and a second through hole 22 corresponding to the second end 32; the first through hole 21 may serve as a refrigerant inlet, and the second through hole 22 may serve as a refrigerant outlet, such that after the refrigerant enters the refrigerant channel 30 from the first through hole 21 through the first end 31, the refrigerant performs heat conduction cooling on the water in the ice tray 11 of the ice tray main body 10 to make the water into ice, and after the ice making is completed, the refrigerant may flow out from the second end 32 of the refrigerant channel 30 through the second through hole 22. In some embodiments, the first through hole 21 and the second through hole 22 of the cover plate 20 are further respectively welded or screwed with a connecting pipe, the connecting pipe is communicated with the through holes, so that the first end 31 and the second end 32 of the refrigerant channel 30 can be connected with the refrigeration system through the connecting pipe to inject or discharge the refrigerant, the connecting pipe can be a copper pipe, and the connecting pipe has high structural strength and is not easy to corrode.
Be equipped with a plurality of beads 13 in the recess 12, will refrigerant passageway 30 is separated into circuitous crooked form that extends, the top and the bottom 111 of a plurality of beads 13 respectively with apron 20 with the tank bottom of recess 12 is connected, the top surface of bead 13 with the top surface of step portion 121 flush and with apron 20 passes through friction stir welding and is connected, and joint strength is high, can prevent effectively that ice tray main part 10 when making ice that refrigerant passageway 30 takes place deformation because of temperature variation, guarantees refrigerant passageway 30's integrality. . Preferably, the protruding rib 13 is integrally extended from the bottom of the groove 12, that is, the protruding rib 13 is also integrally formed by die casting the ice tray main body 10; of course, in other embodiments, the rib 13 may be integrally formed with the bottom surface of the cover plate 20, and when the cover plate 20 is connected in the groove 12, the bottom 111 of the rib 13 is connected with the bottom of the groove 12 in a sealing manner.
In this embodiment, the protruding ribs 13 are provided with a plurality of protruding ribs 13 and extend in a direction parallel to the long side of the groove 12, and each protruding rib 13 is connected to the short side of the groove 12, referring to fig. 1, in this embodiment, three protruding ribs 13 are provided in the groove 12 and extend in a direction parallel to the long side of the groove 12, one end of each of two protruding ribs 13 located beside the groove is connected to one of the short sides of the groove 12, the other end of each protruding rib is not connected to the short side of the groove 12, one end of each other protruding rib 13 located in the middle is connected to the other short side of the groove 12, and the other end of each other protruding rib is not connected to the short side of the groove 12, so that the three protruding ribs 13 separate the refrigerant channel 30 in the groove 12 into a zigzag extending "bow" shape ", increase the path length of the refrigerant channel 30, allow the refrigerant channel 30 to cover each ice tray 11, and improve the refrigeration effect.
The ice tray 11 comprises a bottom wall 113 and four side walls 114 connected to the periphery of the bottom wall 113, every two adjacent side walls 114 are in arc transition connection, and the four side walls 114 are obliquely arranged relative to the bottom wall 113, so that the size of an opening end 112 of the ice tray 11 is larger than that of the bottom 111, the side walls 114 of the ice tray 11 form inclined planes from top to bottom (namely from the opening end 112 to the bottom 111), after ice making is completed, when a heat medium (such as high-temperature liquid) is injected into the refrigerant channel 30, the heat medium is rapidly contacted with the bottom wall 113 of the ice tray 11 for heat conduction, so that the bottom 111 of the ice block is started with water or is deformed to be separated from the bottom wall 113 of the ice tray 11, the size of the opening end 112 of the ice tray 11 is larger than that of the bottom 111, and the side walls 114 of the ice tray 11 are inclined planes, so that ice blocks in the ice tray 11 can be rapidly separated from the ice tray 11 under the cooperation of gravity, the ice removing time is greatly shortened, and the ice removing efficiency is improved. The arc transition connection between every two adjacent side walls 114 and the arc transition connection between each side wall 114 and the bottom wall 113 can also make the made ice cubes more mellow and easier to separate from the ice tray 11 during ice shedding.
Further, ice tray 11 wherein three lateral wall 114 respectively with first contained angle R1 has between the diapire 113, first contained angle R1 is the obtuse angle, another lateral wall 114 with second contained angle R2 has between the diapire 113, second contained angle R2 is greater than first contained angle R1, second contained angle R2 is 102 to 114 degrees, preferably, second contained angle R2 is 108 degrees, first contained angle R1 is 92 to 98 degrees, thereby makes wherein three lateral wall 114 is relative with another lateral wall 114 homogeneous phase diapire 113 slope, and wherein another the inclination of lateral wall 114 is greater than the inclination of other three lateral wall 114, and the inventor of the present application tests many times, so the design can prevent effectively that the air ice-cube from being sneaked into for the ice-cube that ice tray 11 made is more crystal-clear.
Preferably, referring to fig. 2, the inner side edges of the periphery of the open end 112 of the ice tray 11, that is, the inner side edges of the four side walls 114 close to the open end 112, are rounded to form an arc-shaped portion 115, and the arc length of the arc-shaped portion 115 is 1-5mm, preferably 1-3mm, and more preferably 2mm; because the tension of water, the inboard edge of open end 112 does not have arc portion 115 and can let water than more remain in ice tray 11, and after the ice, the too big deformation that produces of volume propped bad ice tray main part 10 easily, reduces the life of ice tray, and in addition, the setting of arc portion 115 can be more quick let water be full of each ice tray 11, improves ice making efficiency.
The four corners of the second surface of the ice tray main body 10 are respectively provided with supporting legs 14, threaded holes are formed in the supporting legs 14, a plastic part outer frame (not shown) is coated on the outer sides of the periphery of the ice tray main body 10 and is fixedly connected with the supporting legs 14 through screws in a threaded manner, and neutral silicone weather-resistant glue is coated on the positions, in a gap, of the ice tray main body 10 and the plastic part outer frame, so that the plastic part outer frame is hermetically connected with the outer side face of the ice tray main body 10, can be made of ABS materials and is high in structural strength and corrosion-resistant, and the ice tray main body 10 can be protected through the plastic part outer frame to prevent the ice tray main body 10 from being corroded.
Referring to fig. 4, for a second embodiment of the ice tray of the present invention, the embodiment is different from the first embodiment in that two ends of one of the three ribs 13 are respectively connected to two short sides of the groove 12, specifically, two ends of the middle rib 13 of the three ribs 13 are respectively connected to two short sides of the groove 12, only one end of the other two ribs 13 is connected to a short side of the groove 12, the refrigerant channel 30 between the cover plate 20 and the bottom of the groove 12 is divided into two parts and arranged side by side, a flow path of each refrigerant channel 30 is a circuitous U shape, correspondingly, each refrigerant channel 30 has a first end 31 and a second end 32, the first end 31 and the second end 32 of the cover plate 20 corresponding to each refrigerant channel 30 are respectively provided with a first through hole 21 and a second through hole 22, so that each refrigerant channel 30 can be individually connected to a refrigeration system, so that a user can individually start one of the refrigerant channels 30 to perform a part of ice making on the ice tray body 10, or simultaneously start two refrigerant channels 30 to perform a plurality of ice making on the ice tray body 10, and thus providing convenience for users. Other features of this embodiment are the same as those of the first embodiment, and thus are not described herein again.
Referring to fig. 5 and 6, a third embodiment of the ice tray of the present invention is shown, and the difference between this embodiment and the first embodiment is that in this embodiment, a recess 33 is further concavely formed at the bottom of the groove 12 of the ice tray body 10, the recess 33 is located between the side walls 114 of two adjacent ice grids 11, and the recess 33 is further concavely formed from the bottom of the groove 12, so as to communicate with the refrigerant channel 30, and also correspond to a portion of the refrigerant channel 30, and also correspond to the bottom of the groove 12, so that when a refrigerant, such as a cooling liquid, enters the refrigerant channel 30, it can contact with the bottom wall 113 of the ice grid 11 to conduct heat, and can enter the recess 33 to contact with the side walls 114 of the ice grid 11 to conduct heat, thereby increasing the contact area of the refrigerant and the ice grid 11, and effectively improving the conduction efficiency, and making ice more efficiently. Preferably, the recess 33 is formed in a V shape so as to facilitate the rapid inflow of the cooling medium into the recess 33 to contact the side wall 114 of the ice tray 11. Of course, in the second embodiment, the recess 33 may be recessed on the bottom of the groove 12 corresponding to each of the refrigerant channels 30 to increase the ice making efficiency of the ice tray main body 10. Other features of this embodiment are the same as those of the first embodiment, and thus are not described herein again.
Referring to fig. 7, a fourth embodiment of the present invention is different from the first embodiment in that in the present embodiment, a plurality of ribs 13 are provided and respectively extend in a direction parallel to short sides of the grooves 12, at least one end of each rib 13 is connected to a long side of the groove 12, and in the present embodiment, every two adjacent ribs 13 are respectively connected to different long sides of the grooves 12 in a contacting manner, so as to divide the refrigerant channel 30 in the grooves 12 into continuous circuitous channels extending in a length direction of the ice tray main body 10. In this embodiment, the first through hole 21 and the second through hole 22 of the cover plate 20 are further respectively welded and fixed with a connecting pipe 40, the connecting pipe 40 is preferably a copper pipe, and the cover plate 20 is further provided with a protruding portion 23 protruding from the edge of the first through hole 21 and the edge of the second through hole 22, so as to increase the welding stability of the connecting pipe 40. Other features of this embodiment are the same as those of the first embodiment, and thus are not described herein again.
In addition, in this embodiment, a concave portion 33 may be further formed at the bottom 111 of the groove 12 in a concave manner, and the concave portion 33 extends to between the side walls 114 of two adjacent ice lattices 11, so that when a refrigerant enters the refrigerant channel 30, the refrigerant can contact with the bottom wall 113 of the ice lattice 11 to conduct heat, and can enter the concave portion 33 to contact with the side walls 114 of the ice lattices 11 to conduct heat, thereby increasing the contact area between the refrigerant and the ice lattice 11, effectively improving the conduction efficiency, and making the ice making efficiency higher.
Referring to fig. 8, a fifth embodiment of the present invention is different from the fourth embodiment in that two ends of one of the middle protruding ribs 13 are respectively contacted with two long sides of the groove 12, only one end of the other protruding ribs 13 is contacted with the long sides of the groove 12, so as to divide the refrigerant channel 30 into two independent refrigerant channels 30 extending in a circuitous manner, correspondingly, the first end 31 and the second end 32 of the cover plate 20 corresponding to each refrigerant channel 30 are respectively provided with the first through hole 21 and the second through hole 22, and a connecting pipe 40 is welded in each first through hole 21 and each second through hole 22. Other features of this embodiment are the same as those of the first embodiment, and thus are not described herein again.
In addition, in this embodiment, a concave portion 33 may be further formed at the bottom 111 of the groove 12 in a concave manner, and the concave portion 33 extends to between the side walls 114 of two adjacent ice lattices 11, so that when a refrigerant enters the refrigerant channel 30, the refrigerant can contact with the bottom wall 113 of the ice lattice 11 to conduct heat, and can enter the concave portion 33 to contact with the side walls 114 of the ice lattices 11 to conduct heat, thereby increasing the contact area between the refrigerant and the ice lattice 11, effectively improving the conduction efficiency, and making the ice making efficiency higher.
Referring to fig. 9, a sixth embodiment of the present invention is different from the first embodiment in that a first connecting column and a second connecting column are respectively disposed on the cover plate 20 corresponding to a first end 31 and a second end 32 of the refrigerant channel 30, the first through hole 21 and the second through hole 22 are respectively disposed in the first connecting column and the second connecting column, and a connecting pipe 40 is further respectively connected in the first through hole 21 and the second through hole 22 by a thread.
Specifically, first through-hole 21 with be equipped with the internal thread in the second through-hole 22 respectively, two the tip of connecting pipe 40 is equipped with the external screw thread respectively, two the tip of connecting pipe 40 inserts respectively first through-hole 21 with in the second through-hole 22 with first spliced pole with second spliced pole threaded connection to make the cladding of the tip mouth of pipe of connecting pipe 40 in the spliced pole, the leakproofness is better, connects more firmly.
Further, a convex part 41 is formed on the outer side wall 114 of the end part of each connecting pipe 40, the convex part 41 is located between the external thread of the connecting pipe 40 and the middle part of the connecting pipe 40, the arrangement of the convex part 41 is convenient for a user to operate and screw-connect or disassemble the connecting pipe 40 and the connecting column, and after the connecting pipe 40 is connected with the connecting column, the convex part 41 can cover and shield the top of the connecting column; preferably, the protruding portion 41 has a hexagonal structure, which is convenient for a user to operate.
In order to further increase the connection sealing performance between the connection pipe 40 and the connection column, a sealing ring (not shown) is further arranged at the end of the connection pipe 40, and the sealing ring on the connection pipe 40 is located between the external thread of the connection pipe 40 and the convex part 41, so that when the connection pipe 40 is connected to the connection column, the sealing ring is connected between the tail end of the connection column and the convex part 41 in a squeezing mode, the connection sealing performance between the connection pipe 40 and the connection column is increased, and the refrigerant is prevented from leaking when passing through the connection column.
In other embodiments, a sealant (not shown) may be disposed between the external threads of the connection pipe 40 and the internal threads of the first through hole 21 and the second through hole 22, so as to increase the connection tightness between the connection pipe 40 and the connection column.
In this embodiment, connecting pipe 40 is the copper pipe, apron 20 is aluminum plate or aluminum alloy plate, connecting pipe 40 with first spliced pole with second spliced pole threaded connection, connecting pipe 40 adopt the copper pipe, and heat-conduction efficiency is high, and material intensity is high, and is difficult for corroding. Other features of this embodiment are the same as those of the first embodiment, and thus are not described herein again.
The present invention also provides a method of manufacturing the ice tray, the method including:
step one, providing an aluminum alloy material, and carrying out die casting on the aluminum alloy material through a die casting device to form an ice tray die casting piece with an ice tray 11 on one surface and a groove 12 on the other surface; specifically, in the step, an aluminum alloy die-casting die can be designed and manufactured firstly, a die-casting machine with matched tonnage is selected according to the structure and size of the die, and a proper aluminum alloy base material is adopted to select reasonable die-casting technological parameters for forming and die-casting, so that the aluminum alloy ice tray die-casting piece is obtained.
Step two, removing a casting mouth of the ice tray die casting and carrying out sand blasting treatment to obtain an ice tray main body 10; specifically, in the cover step, the ice tray die cast is subjected to a gate removal with a grinder, a gate is leveled, and then a sand blast is performed inside the ice tray 11 using a sand blast machine to remove a scale layer on the surface of the die cast, thereby obtaining the ice tray main body 10.
And step three, providing an aluminum alloy plate or an aluminum plate, and stamping the aluminum alloy plate or the aluminum plate through a stamping die to form the cover plate 20.
And fourthly, positioning the cover plate 20 on the surface of the ice tray main body 10 with the groove 12, for example, pressing and positioning the cover plate 20 on the surface of the ice tray main body 10 with the groove 12 by using a jig.
Welding and sealing the periphery of the cover plate 20 and the side edge of the groove 12, preferably, friction welding is adopted, so as to form a refrigerant channel 30 between the cover plate 20 and the groove bottom of the groove 12; or, a sealant is coated between the periphery of the cover plate 20 and the side edge of the groove 12, so as to form a refrigerant channel 30 between the cover plate 20 and the bottom of the groove 12. By adopting friction welding, the welding seam strength can reach the strength equal to that of the materials of the cover plate 20 and the ice tray main body 10, and the welding efficiency is high and the quality is stable.
Step six, providing a plastic part outer frame, preferably injection molding of an ABS material, fixing the plastic part outer frame to the outside of the tray main body 10 by screws, and coating neutral silicone weather-resistant glue on a place where a gap exists between the tray main body 10 and the plastic part outer frame, so that the tray main body 10 and the plastic part outer frame form a whole, and the tray main body 10 can be protected by the plastic part outer frame to prevent the tray main body 10 from being corroded.
The ice tray 11 manufactured in the first step is provided with a plurality of ice trays 11, each ice tray 11 is provided with a bottom 111 close to the bottom of the groove 12 and an opening end 112 far away from the bottom of the groove 12, the size of the opening end 112 is larger than that of the bottom 111, so that the side wall 114 of the ice tray 11 is formed into an inclined surface from top to bottom, and when a heat medium is injected into the refrigerant channel 30 after ice making is completed, the side edge of an ice block in the ice tray 11 can be quickly deformed and separated from the ice tray 11, so that the ice removing time is greatly shortened, and the ice removing efficiency is improved.
Further, in the second step, a process of spraying water paint or electrophoresis water paint on the surface of the ice tray main body 10 is further included, wherein the water paint is food grade; the surface coating adhesion, salt spray resistance, corrosion resistance and rust resistance of the process are excellent; the surface of the coating is not affected by air and moisture for a long time, so that the surface coating is corroded to damage the base material, and the sanitary quality of water quality and ice blocks is not affected.
In the third step, the cover plate 20 is further punched to form a first through hole 21 and a second through hole 22.
In the ice tray manufacturing method, an ice tray main body 10, an ice tray 11 and a refrigerant channel 30 are integrally formed by a die casting process, and a cover plate 20 is hermetically connected with the ice tray main body 10 by welding or sealant, so that the refrigerant channel 30 is sealed. The manufacturing method can prevent the problems of looseness, welding layer falling off and bulging of the ice tray 11. The ice tray main body 10 is integrally formed by an aluminum alloy die-casting process, the process parameters are stable, automatic production is realized, the product defects caused by manual production are reduced, and the production efficiency and the yield are effectively improved.
In some embodiments, in the ice tray die casting manufactured in the first step, the recess 33 is further formed at the bottom of the groove 12, and the recess 33 is located between the side walls 114 of two adjacent ice lattices 11, so that when a refrigerant enters the refrigerant channel 30, the refrigerant can contact with the bottom wall 113 of the ice lattice 11 for heat conduction and can enter the recess 33 for heat conduction with the side walls 114 of the ice lattice 11, thereby increasing the contact area between the refrigerant and the ice lattice 11, effectively improving the conduction efficiency, and making ice more efficiently.
In some embodiments, the ice tray die-cast in the first step, the ice tray 11 includes a bottom wall 113 and four side walls 114 connected to the periphery of the bottom wall 113, every two adjacent side walls 114 are connected in an arc transition manner, and all four side walls 114 are arranged obliquely relative to the bottom wall 113, so that the size of the open end 112 is larger than that of the bottom 111. Preferably, four of the side walls 114, wherein three of the side walls 114 and the bottom wall 113 have a first included angle R1 therebetween, the first included angle R1 is an obtuse angle, and another of the side walls 114 and the bottom wall 113 has a second included angle R2 therebetween, the second included angle R2 is greater than the first included angle R1, and the second included angle R2 is 105 to 110 degrees. Preferably, the second included angle R2 is 108 degrees, and the first included angle R1 is 92 to 98 degrees, so that the three side walls 114 and the other side wall 114 are inclined with respect to the bottom wall 113, and the inclined angle of the other side wall 114 is greater than the inclined angles of the other three side walls 114.
In some embodiments, the second step further includes rounding off the inner side edge of the open end 112 of the ice tray 11, so that the inner side edge of the open end 112 of the ice tray 11 is formed into a smooth arc-shaped portion 115, and the arc length of the arc-shaped portion 115 is 1-3mm, preferably 2mm, due to the tension of water, the inner side edge of the open end 112 without the arc-shaped portion 115 can allow more water to remain in the ice tray 11, after ice is formed, the ice tray body 10 is easily damaged due to deformation caused by excessive volume, the service life of the ice tray is reduced, and in addition, the arrangement of the arc-shaped portion 115 can more quickly allow water to fill each ice tray 11, so as to improve the ice making efficiency.
The above embodiments only express a few embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. An ice tray, characterized by comprising an ice tray main body (10) and a cover plate (20) attached to the ice tray main body (10); the ice tray main body (10) is integrally formed by die casting and is provided with a first surface and a second surface which are opposite, the first surface is provided with an ice tray (11), the second surface is provided with a groove (12), the cover plate (20) is connected to the groove (12) and is in sealing connection with the side edge of the groove (12), and a refrigerant channel (30) is formed between the cover plate (20) and the bottom of the groove (12); the ice tray (11) comprises a bottom (111) close to the second surface and an open end (112) far away from the second surface, and the size of the open end (112) is larger than that of the bottom (111).
2. An ice tray as claimed in claim 1, wherein the refrigerant passage (30) comprises a first end (31) and a second end (32), the cover plate (20) being provided with a first through hole (21) corresponding to the first end (31) and a second through hole (22) corresponding to the second end (32); step parts (121) are formed on the side edges of the grooves (12), and the cover plate (20) is pressed against the step parts (121).
3. An ice tray according to claim 2, wherein a plurality of ribs (13) are provided in the groove (12), top surfaces of the plurality of ribs (13) are flush with the top surface of the step part (121) and are connected to the cover plate (20) by friction stir welding, and the cover plate (20) is connected to side edges of the groove (12) by friction stir welding.
4. An ice tray as claimed in claim 3, wherein said recess (12) is rectangular having two long sides and two short sides, said ribs (13) extending in a direction parallel to the long sides of said recess (12), at least one end of each rib (13) being connected to the short sides of said recess (12) to divide said cooling medium passage (30) into a meander shape.
5. An ice tray as claimed in claim 3, wherein said recess (12) is rectangular with two long sides and two short sides, said ribs (13) extending parallel to the short sides of said recess (12), at least one end of each rib (13) being connected to the long sides of said recess (12) to divide said cooling medium passage (30) into a meander shape.
6. The ice tray as claimed in claim 1, wherein the ice trays (11) are provided in a plurality and arranged in at least two rows, the bottom of the groove (12) is further recessed in the direction of the first surface to form a recess (33), and the recess (33) is located between the side walls (114) of two adjacent ice trays (11).
7. The ice tray as claimed in claim 6, wherein the ice tray (11) comprises a bottom wall (113) and four side walls (114) connected to the bottom wall (113), each two adjacent side walls (114) are in arc transition connection, and the four side walls (114) are arranged obliquely with respect to the bottom wall (113) so that the size of the open end (112) is larger than that of the bottom (111).
8. The ice tray as claimed in claim 7, wherein the open end (112) has an arc portion (115) at a peripheral inner side edge, the arc portion (115) having an arc length of 1-3mm.
9. The ice tray according to claim 7, wherein three of the side walls (114) and the bottom wall (113) each have a first included angle (R1) therebetween, the first included angles (R1) being obtuse angles, and another of the side walls (114) and the bottom wall (113) having a second included angle (R2) therebetween, the second included angle (R2) being greater than the first included angle (R1), the second included angle (R2) being 102 to 114 degrees.
10. A method of manufacturing an ice tray, comprising:
providing an aluminum alloy material, and carrying out die casting on the aluminum alloy material through a die casting device to form an ice tray die casting piece with an ice tray (11) on one surface and grooves (12) on the other surface;
removing a casting mouth of the ice tray die casting and carrying out sand blasting treatment to obtain an ice tray main body (10);
providing an aluminum alloy plate or an aluminum plate, and stamping the aluminum alloy plate or the aluminum plate through a stamping die to form a cover plate (20);
positioning the cover plate (20) at a side of the tray main body (10) having the recess (12);
welding and sealing the periphery of the cover plate (20) and the side edge of the groove (12) to form a refrigerant channel (30) between the cover plate (20) and the bottom of the groove (12); or, coating sealant between the periphery of the cover plate (20) and the side edge of the groove (12) to form a refrigerant channel (30) between the cover plate (20) and the groove bottom of the groove (12);
providing a plastic piece outer frame, fixing the plastic piece outer frame on the outer side of the ice tray main body (10) through screws, and coating neutral silicone weather-resistant glue on a position where a gap exists between the ice tray main body (10) and the plastic piece outer frame;
the ice tray (11) is provided with a bottom (111) close to the bottom of the groove (12) and an opening end (112) far away from the bottom of the groove (12), and the size of the opening end (112) is larger than that of the bottom (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210806500.9A CN115164465A (en) | 2022-07-08 | 2022-07-08 | Ice tray and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210806500.9A CN115164465A (en) | 2022-07-08 | 2022-07-08 | Ice tray and manufacturing method thereof |
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| CN115164465A true CN115164465A (en) | 2022-10-11 |
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| CN202210806500.9A Pending CN115164465A (en) | 2022-07-08 | 2022-07-08 | Ice tray and manufacturing method thereof |
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| CN216432187U (en) * | 2021-12-02 | 2022-05-03 | 惠州市信达盛精密科技有限公司 | Ice tray evaporator and ice maker thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110186230A (en) * | 2019-06-24 | 2019-08-30 | 常州伊菲特电器有限公司 | A kind of ice making unit of ice machine and preparation method thereof |
| CN111076465A (en) * | 2019-12-31 | 2020-04-28 | 常州伊菲特电器有限公司 | Ice mold evaporator of ice making machine and manufacturing method thereof |
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