CN116408938A - Appearance part, household appliance and mold - Google Patents
Appearance part, household appliance and mold Download PDFInfo
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- CN116408938A CN116408938A CN202111676928.8A CN202111676928A CN116408938A CN 116408938 A CN116408938 A CN 116408938A CN 202111676928 A CN202111676928 A CN 202111676928A CN 116408938 A CN116408938 A CN 116408938A
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- appearance
- edge line
- gate
- transition
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- 230000007704 transition Effects 0.000 claims abstract description 102
- 238000001746 injection moulding Methods 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 31
- 238000000465 moulding Methods 0.000 claims description 28
- 238000011144 upstream manufacturing Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 239000002923 metal particle Substances 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 2
- 230000007547 defect Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010147 laser engraving Methods 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides an appearance part, a household appliance and a mold, wherein the appearance part is a spraying-free injection molding part, the appearance part comprises an appearance part body, and the appearance part body is provided with an appearance surface and a non-appearance surface; the non-appearance surface is provided with a transition part, and the transition part is provided with a gate forming area corresponding to a gate of the die; alternatively, the non-exterior surface has a transition portion cut-out region formed after cutting out the transition portion, the transition portion being located between the transition portion cut-out region and the gate of the mold. The appearance part solves the problem that the spraying-free injection molding part in the prior art is easy to generate appearance defects.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an appearance part, a household appliance and a mold.
Background
At present, the household appliances generally adopt a spraying process to carry out surface treatment on injection molding parts so as to realize improvement of various colors and appearance textures, and can mask part of appearance defects, but the problems of high cost and environmental protection exist. Therefore, the spraying-free technology can be adopted to replace and make up the spraying process problem, and the injection molding part of the spraying-free material has unique light and shadow effect and metallic luster after being molded, and can achieve the appearance effect comparable to or better than spraying without secondary treatment. The technology has the advantages of excellent function, low cost, environmental protection and the like.
However, the spray-free material is very easy to have appearance defects such as flow marks, welding marks, gate marks and the like in the injection molding process, the occurrence position or degree is difficult to predict, and the consistency is poor.
Disclosure of Invention
The invention mainly aims to provide an appearance part, a household appliance and a mold, which are used for solving the problem that a spraying-free injection molding part in the prior art is easy to generate appearance defects.
In order to achieve the above object, according to one aspect of the present invention, there is provided an exterior part, which is a spray-free injection molded part, the exterior part including an exterior part body having an exterior surface and a non-exterior surface; the non-appearance surface is provided with a transition part, and the transition part is provided with a gate forming area corresponding to a gate of the die; or the non-exterior surface has a transition portion cut-out region formed after cutting out the transition portion, and the transition portion is located between the transition portion cut-out region and the gate of the mold.
Further, the non-appearance surface is arranged opposite to the appearance surface; or the non-appearance surface is connected with the appearance surface.
Further, when the non-appearance surface is connected with the appearance surface, the transition part is provided with a first end surface, a first edge line of the first end surface is connected with the non-appearance surface, and a second edge line of the first end surface and the appearance surface connected with the non-appearance surface are arranged at intervals or are connected with each other.
Further, the first edge line and the second edge line are arranged in parallel, and when the distance between the first edge line and the second edge line is greater than or equal to 1 time of the thickness of the main material, the first edge line and the second edge line are arranged at intervals.
Further, the first edge line and the second edge line are arranged in parallel, and when the distance between the first edge line and the second edge line is smaller than 1 time of the thickness of the main material, the first edge line and the second edge line are connected in a smooth transition mode.
Further, the appearance surface and the first end surface are both plane, and the appearance surface is flush with the first end surface; or the appearance surface and the first end surface are both curved surfaces, and the curvature of the joint of the appearance surface and the first end surface is tangential.
Further, when the transition portion is provided on the non-exterior surface, the transition portion has an upstream end face and a downstream end face; the area of the gate forming area is smaller than the area of the upstream end surface or the area of the downstream end surface; and/or the downstream end face has an area greater than the area of the upstream end face.
Further, the length of the transition portion in the flow direction of the injection melt is greater than or equal to 8mm.
Further, the appearance component is made of a spray-free material comprising a substrate and particles distributed within the substrate; wherein the base material is a thermoplastic polymer material; the particles are any one or more of metal particles, pearl powder and fibers.
Further, the appearance surface is provided with drawn lines, and the extending direction of the drawn lines is parallel to the flowing direction of the injection molding melt.
According to another aspect of the present invention, there is provided a household appliance comprising an appearance member, an appearance surface of the appearance member forming at least part of an appearance surface of the household appliance, the appearance member being the appearance member described above.
According to still another aspect of the present invention, there is provided a mold having a cavity for forming the above-described exterior part, the cavity including a first cavity for molding an exterior part body of the exterior part and a second cavity for molding a transition portion; the mold also has a gate in communication with the second cavity.
Further, the transition portion has an upstream end face and a downstream end face, and the second cavity has a first communication port forming the upstream end face and a second communication port forming the downstream end face; the area of a third communication port of the pouring gate communicated with the second cavity is smaller than that of the first communication port or the second communication port; and/or the area of the second communication port is larger than that of the first communication port.
The appearance part is made of a spraying-free technology, is an injection molding product and is made of a spraying-free material, and comprises an appearance part body and a transition part, wherein the transition part is arranged on a non-appearance surface of the appearance part body and is provided with a gate molding area corresponding to a gate of a mold; or, the non-exterior surface of the exterior part body of the exterior part is provided with a transition part cutting area formed by cutting off the transition part, and the transition part is positioned between the transition part cutting area and the gate of the die. Therefore, the transition part is connected to the appearance part body, the pouring gate is connected to the transition part, so that injection molding melt flowing out of the pouring gate firstly forms the transition part and then forms the appearance part body, the pouring gate line defect is formed on the transition part, the appearance part body is prevented from being provided with the pouring gate line, and the problem that the appearance part body is easy to produce the appearance defect is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows an isometric view of an embodiment of an appearance component according to the invention;
FIG. 2 shows a partial enlarged view of an embodiment of the appearance component of FIG. 1;
FIG. 3 shows a top view of an embodiment of an appearance component according to the present invention;
FIG. 4 shows a cross-sectional view at the O-O section of the appearance component of FIG. 3;
FIG. 5 shows a partial enlarged view of an embodiment of the appearance component of FIG. 4;
FIG. 6 shows an isometric view of another embodiment of an appearance component in accordance with the invention; and
fig. 7 shows a cross-sectional view of another embodiment of an appearance component according to the invention.
Wherein the above figures include the following reference numerals:
10. an appearance body; 11. appearance surface; 12. a non-exterior surface; 13. a connection surface; 20. a transition section; 21. a first end face; 50. a gate molding zone; 40. a transition cut-out; 30. a gate; 31. and a third communication port.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the prior art, the gate is directly connected to the part, and the gate line defect exists near the gate of the part, so that the prior art is improved for solving the problem.
The invention provides an appearance part, please refer to fig. 1-7, the appearance part is a spraying-free injection molding part, the appearance part comprises an appearance part body 10, the appearance part body 10 is provided with an appearance surface 11 and a non-appearance surface 12; the non-exterior surface 12 is provided with a transition portion 20, and the transition portion 20 is provided with a gate forming region 50 for corresponding to the gate 30 of the mold; alternatively, the non-exterior surface 12 has a transition portion cut-out region 40 formed by cutting out the transition portion 20, and the transition portion 20 is located between the transition portion cut-out region 40 and the gate 30 of the mold.
The appearance part is made by adopting a spraying-free technology, is an injection molding product and is made of a spraying-free material, and comprises an appearance part body 10 and a transition part 20, wherein the transition part 20 is arranged on a non-appearance surface 12 of the appearance part body 10, and the transition part 20 is provided with a gate molding area 50 corresponding to a gate 30 of a die; alternatively, the non-exterior surface 12 of the exterior body 10 of the exterior part has a transition portion cut-out region 40 formed by cutting out the transition portion 20, and the transition portion 20 is located between the transition portion cut-out region 40 and the gate 30 of the mold. Therefore, the transition portion 20 is connected to the appearance piece body 10, the gate 30 is connected to the transition portion 20, so that the injection molding melt flowing out of the gate 30 can form the transition portion 20 first and then the appearance piece body 10 is formed, the gate line defect will appear on the transition portion 20, the gate line on the appearance piece body 10 is avoided, and the problem that the appearance piece body 10 is easy to generate the appearance defect is solved.
The spray-free injection molding part has unique light and shadow effect and metallic luster after molding, and can achieve the appearance effect comparable to or better than spray coating without secondary treatment.
When the appearance component is injection molded by using the mold, the cavity of the mold is used for molding the appearance component, the gate 30 is communicated with the cavity, the material in the gate 30 forms a gate molding portion, and the area where the appearance component is connected with the gate molding portion is referred to as a gate molding area 50. The transition portion 20 is connected to the outer appearance body 10, and the region where the outer appearance body 10 is connected to the transition portion 20 is the transition portion cut-out region 40.
When the appearance component is applied to a household appliance, the appearance surface 11 is a component of the appearance of the household appliance, that is, the appearance surface 11 is a surface that is exposed to an application environment and can be seen by a user; the non-exterior surface 12 is located inside the household appliance, i.e. the non-exterior surface 12 is a surface hidden inside the household appliance and not seen by the user.
In the present embodiment, the non-exterior surface 12 is provided opposite to the exterior surface 11; alternatively, the non-exterior surface 12 is provided so as to be continuous with the exterior surface 11. Specifically, when the non-exterior surface 12 and the exterior surface 11 are disposed opposite to each other, the non-exterior surface 12 and the exterior surface 11 are connected by the connection surface 13, the first end of the connection surface 13 is connected to one end of the non-exterior surface 12, and the second end of the connection surface 13 is connected to one end of the exterior surface 11; when the non-exterior surface 12 is provided to be continuous with the exterior surface 11, one end of the non-exterior surface 12 is directly connected to one end of the exterior surface 11.
In the present embodiment, as shown in fig. 6 and 7, when the non-exterior surface 12 is provided to be continuous with the exterior surface 11, the transition portion 20 has a first end surface 21, a first edge line of the first end surface 21 is connected to the non-exterior surface 12, and a second edge line of the first edge line and the exterior surface 11 connected to the non-exterior surface 12 are provided at intervals or in contact with each other. Wherein, the first end surface 21 and the appearance surface 11 are positioned on the same side of the appearance member, and when the first end surface 21 of the transition portion 20 and the appearance surface 11 are arranged at intervals, a step transition is formed between the appearance surface 11 and the first end surface 21.
In one embodiment, when the non-exterior surface 12 is provided to be continuous with the exterior surface 11, the extending direction of the transition portion 20 is the same as the extending direction of the exterior body 10.
When the transition portion 20 needs to be removed, the first end surface 21 of the transition portion 20 is spaced from the exterior surface 11, so that burrs generated when the transition portion 20 is removed are prevented from remaining on the exterior surface 11; when the transition portion 20 does not need to be removed, the first end surface and the appearance surface 11 are smoothly transitioned, and the molding quality of the appearance surface 11 is ensured.
In one embodiment, the first edge line is disposed parallel to the second edge line, and the first edge line and the second edge line are disposed at intervals when the distance between the first edge line and the second edge line is greater than or equal to 1 time the thickness of the main material.
In one embodiment, the first edge line and the second edge line are arranged in parallel, and when the distance between the first edge line and the second edge line is less than 1 time of the thickness of the main material, the first edge line and the second edge line are connected in a smooth transition mode. In the present embodiment, when the first end surface 21 of the transition portion 20 and the appearance surface 11 are smoothly transitioned, the appearance surface 11 and the first end surface 21 are both planar, and the appearance surface 11 is flush with the first end surface 21; alternatively, the appearance surface 11 and the first end surface 21 are both curved surfaces, and the curvature of the junction between the appearance surface 11 and the first end surface 21 is tangential.
Specifically, the average thickness or median value of the thickness of the appearance member in the direction perpendicular to the first edge line and the second edge line is 1-times the main material thickness.
Optionally, the appearance member includes a plate-like structure, the end face disposed along the circumferential direction of the plate-like structure is a non-appearance face 12, and the first edge line and the second edge line are both located on the end face disposed along the circumferential direction of the plate-like structure; the direction perpendicular to the first edge line and the second edge line is the thickness direction of the plate-shaped structure, and 1 time of the main material thickness is the average thickness or one median value of the thickness of the plate-shaped structure.
In the present embodiment, when the transition portion 20 is provided on the non-exterior surface 12, the transition portion 20 has an upstream end surface and a downstream end surface; the area of the gate molding region 50 is smaller than the area of the upstream end face or the area of the downstream end face; and/or the area of the downstream end face is larger than the area of the upstream end face. In injection molding, the injection melt flows through the gate molding region 50, and then the end surface of the transition portion 20 through which the injection melt flows is an upstream end surface, and the end surface of the transition portion 20 through which the injection melt flows after the injection melt is a downstream end surface. Specifically, the upstream area is small and the downstream area is large, so that the speed of the melt in the section is reduced, the low-speed melt flow is more stable, and smaller defects are generated.
The upstream end face and the downstream end face are both perpendicular to the extending direction of the transition portion 20, and the downstream end face is the end face of the end of the transition portion 20 connected to the outer body 10.
In the present embodiment, when the transition portion 20 is provided on the non-exterior surface 12, the transition portion 20 has an upstream end surface and a downstream end surface; along the length of the gate molding region 50, the length of the gate molding region 50 is less than the length of the upstream end surface and/or the length of the downstream end surface is greater than the length of the upstream end surface.
Specifically, the length direction of the gate molding region 50 is the width direction of the gate 30, i.e., the direction perpendicular to the mold opening direction of the mold. As shown in fig. 3, the longitudinal direction of the gate molding region 50 is the y-direction.
In this embodiment, the length of the transition 20 in the flow direction of the injection melt is greater than or equal to 8mm. Specifically, the flow rate is buffered by a certain distance, so that the length of the transition portion 20 in the flow direction of the injection melt is 8mm or more, and the low-speed melt flow is more stable, so that smaller defects are generated on the appearance surface.
In the present embodiment, the outer appearance body 10 is symmetrically disposed with respect to the reference surface, and when the transition portion 20 is disposed on the non-outer appearance surface 12, the transition portion 20 is symmetrically disposed with respect to the reference surface; when the non-exterior surface 12 has the transition portion cut-out 40, the transition portion cut-out 40 is disposed symmetrically with respect to the reference surface. Specifically, the gate molding region 50 is symmetrically disposed with respect to the reference plane. The arrangement can ensure that the glue feeding flows at two sides of the reference surface tend to be symmetrical and balanced, and appearance defects are avoided.
In this embodiment, the exterior part is made of a spray-free material comprising a substrate and particles distributed within the substrate; wherein the base material is a thermoplastic polymer material; the particles are any one or more of metal particles, pearl powder and fibers. The spraying-free material contains the particles, so that the injection molding part has unique light and shadow effect and metallic luster after molding, and can achieve the appearance effect comparable to or better than spraying without secondary treatment.
Alternatively, the metal particles are aluminum or copper.
Alternatively, the fibers are nylon or natural fibers.
In this embodiment, the appearance surface 11 is provided with a drawn yarn, and the extending direction of the drawn yarn is parallel to the flow direction of the injection melt. If flow marks appear on the appearance surface, the direction of the flow marks is in the same direction as the flow direction, and the extending direction of the wiredrawing lines is parallel to the flow direction of the melt, so that the flow marks can be covered by the lines of the wiredrawing lines, and the flow marks have a covering effect.
The drawn lines are formed on the surface of the exterior member by surface drawing treatment, which is a surface treatment means for achieving a decorative effect.
Alternatively, the appearance member may be a case.
Alternatively, the appearance member may be any shape of structure including, but not limited to, a plate-like structure, a bar-like structure, a ring-like structure, a cylindrical structure, a tubular structure, and a grill structure.
In other embodiments, the appearance surface 11 has a first gate molding region, and since the first gate molding region has gate lines, the appearance member covers or lightens the first gate molding region in the form of a label, screen printing, laser engraving, or the like. Wherein the first gate molding zone and the gate molding zone are present on the exterior part by the same implementation means.
In other embodiments, the appearance surface 11 has flow marks, and the flow marks on the appearance surface 11 are covered or reduced by adopting a form of concave-convex marks provided with decorations, sun marks, labels, silk screen printing, laser engraving and the like.
In other embodiments, the surface 11 has a weld line, and the weld line on the surface 11 is covered or weakened by a pattern of decorative concave-convex marks, sun marks, labels, silk screen, laser engraving, etc.
The invention also provides a household appliance, which comprises an appearance part, wherein the appearance surface 11 of the appearance part forms at least part of the appearance surface of the household appliance, and the appearance part is the appearance part in the embodiment.
Optionally, the household appliance is a table-type water purifying dispenser, and the appearance part is a display shell of the table-type water purifying dispenser.
The present invention also provides a mold having a cavity for forming the exterior part in the above embodiment, the cavity including a first cavity for molding the exterior part body 10 of the exterior part and a second cavity for molding the transition part 20; the mold also has a gate 30, the gate 30 being in communication with the second cavity.
Specifically, the injection melt flows sequentially from gate 30 to the second cavity and then to the first cavity.
In the present embodiment, the transition portion 20 has an upstream end face and a downstream end face, and the second cavity has a first communication port forming the upstream end face and a second communication port forming the downstream end face; the area of the third communication port 31 of the gate 30 communicating with the second cavity is smaller than the area of the first communication port or the area of the second communication port; and/or the area of the second communication port is larger than that of the first communication port.
In the present embodiment, the transition portion 20 has an upstream end face and a downstream end face, and the second cavity has a first communication port forming the upstream end face and a second communication port forming the downstream end face; the width of the third communication port 31 of the gate 30 communicating with the second cavity is smaller than the width of the first communication port in the width direction of the gate 30; and/or the width of the second communication port is larger than that of the first communication port.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
the appearance part is made by adopting a spraying-free technology, is an injection molding product and is made of a spraying-free material, and comprises an appearance part body 10 and a transition part 20, wherein the transition part 20 is arranged on a non-appearance surface 12 of the appearance part body 10, and the transition part 20 is provided with a gate molding area 50 corresponding to a gate 30 of a die; alternatively, the non-exterior surface 12 of the exterior body 10 of the exterior part has a transition portion cut-out region 40 formed by cutting out the transition portion 20, and the transition portion 20 is located between the transition portion cut-out region 40 and the gate 30 of the mold. Therefore, the transition portion 20 is connected to the appearance piece body 10, the gate 30 is connected to the transition portion 20, so that the injection molding melt flowing out of the gate 30 can form the transition portion 20 first and then the appearance piece body 10 is formed, the gate line defect will appear on the transition portion 20, the gate line on the appearance piece body 10 is avoided, and the problem that the appearance piece body 10 is easy to generate the appearance defect is solved.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. An appearance part is characterized by being a spray-free injection molding part, and comprises an appearance part body (10), wherein the appearance part body (10) is provided with an appearance surface (11) and a non-appearance surface (12);
the non-exterior surface (12) is provided with a transition part (20), and the transition part (20) is provided with a gate forming area (50) corresponding to a gate (30) of the die; or alternatively
The non-exterior surface (12) has a transition portion cut-out region (40) formed after cutting out the transition portion (20), the transition portion (20) being located between the transition portion cut-out region (40) and a gate (30) of the mold.
2. The appearance component according to claim 1, characterized in that the non-appearance surface (12) is arranged opposite to the appearance surface (11); or alternatively
The non-appearance surface (12) is connected with the appearance surface (11).
3. The appearance component according to claim 2, characterized in that, when the non-appearance surface (12) is arranged in connection with the appearance surface (11),
the transition part (20) is provided with a first end surface (21), a first edge line of the first end surface (21) is connected with the non-appearance surface (12), and the first edge line and a second edge line of the appearance surface (11) connected with the non-appearance surface (12) are arranged at intervals or are connected with each other.
4. The exterior member according to claim 3, wherein the first edge line and the second edge line are arranged in parallel, and the first edge line and the second edge line are arranged at a distance when a distance between the first edge line and the second edge line is 1 time or more thick as the main material.
5. The appearance article according to claim 3, wherein the first edge line and the second edge line are disposed in parallel, and wherein the first edge line and the second edge line meet in a smooth transition when a distance between the first edge line and the second edge line is less than 1 time the thickness of the main material.
6. A visual component according to claim 3, wherein the visual surface (11) and the first end surface (21) are planar, the visual surface (11) being flush with the first end surface (21); or alternatively
The appearance surface (11) and the first end surface (21) are both curved surfaces, and the curvature of the joint of the appearance surface (11) and the first end surface (21) is tangential.
7. The appearance component according to any one of claims 1 to 6, wherein when a transition (20) is provided on the non-appearance face (12), the transition (20) has an upstream end face and a downstream end face;
the area of the gate molding area (50) is smaller than the area of the upstream end surface or the area of the downstream end surface; and/or the number of the groups of groups,
the downstream end face has an area greater than an area of the upstream end face.
8. The appearance part according to any one of claims 1 to 6, characterized in that the length of the transition (20) in the flow direction of the injection melt is greater than or equal to 8mm.
9. The appearance component according to any one of claims 1 to 6, wherein the appearance component is made of a spray-free material comprising a substrate and particles distributed within the substrate;
wherein the base material is a thermoplastic polymer material; the particles are any one or more of metal particles, pearl powder and fibers.
10. The appearance part according to any one of claims 1 to 6, characterized in that the appearance surface (11) is provided with a thread, the direction of extension of which is parallel to the flow direction of the injection melt.
11. A household appliance comprising an appearance part, the appearance surface (11) of which forms at least part of the appearance surface of the household appliance, characterized in that the appearance part is the appearance part of any one of claims 1 to 10.
12. A mould, characterized in that it has a cavity for forming the appearance part of any one of claims 1 to 10, said cavity comprising a first cavity for shaping the appearance part body (10) of the appearance part and a second cavity for shaping the transition (20); the mold also has a gate (30), the gate (30) being in communication with the second cavity.
13. The mold according to claim 12, wherein the transition portion (20) has an upstream end face and a downstream end face, the second cavity having a first communication port forming the upstream end face and a second communication port forming the downstream end face;
the area of a third communication port (31) of the gate (30) communicated with the second cavity is smaller than the area of the first communication port or the area of the second communication port; and/or, the area of the second communication port is larger than that of the first communication port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111676928.8A CN116408938A (en) | 2021-12-31 | 2021-12-31 | Appearance part, household appliance and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111676928.8A CN116408938A (en) | 2021-12-31 | 2021-12-31 | Appearance part, household appliance and mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116408938A true CN116408938A (en) | 2023-07-11 |
Family
ID=87053608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111676928.8A Pending CN116408938A (en) | 2021-12-31 | 2021-12-31 | Appearance part, household appliance and mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116408938A (en) |
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2021
- 2021-12-31 CN CN202111676928.8A patent/CN116408938A/en active Pending
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