CN116408935A - Appearance part, household appliance and mold - Google Patents

Appearance part, household appliance and mold Download PDF

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Publication number
CN116408935A
CN116408935A CN202111676864.1A CN202111676864A CN116408935A CN 116408935 A CN116408935 A CN 116408935A CN 202111676864 A CN202111676864 A CN 202111676864A CN 116408935 A CN116408935 A CN 116408935A
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CN
China
Prior art keywords
appearance
buffer
rib
injection molding
gate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111676864.1A
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Chinese (zh)
Inventor
江松
谢武彬
刁文志
龙云钲
阳涛
李朝伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202111676864.1A priority Critical patent/CN116408935A/en
Publication of CN116408935A publication Critical patent/CN116408935A/en
Pending legal-status Critical Current

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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
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention provides an appearance part, a household appliance and a mold. Wherein, the outward appearance part is exempted from spraying injection molding, and the outward appearance part includes the outward appearance spare body, and the outward appearance spare body has outward appearance face and non-outward appearance face, and the outward appearance part still includes: a convex part arranged on the non-appearance surface, and the root thickness h of the convex part 1 The thickness h of the main material with the appearance part body meets the following conditions: h is a 1 And the time is less than or equal to 0.6h. The invention effectively solves the problem that the spraying-free injection molding in the prior art is easy to generate appearance defects.

Description

Appearance part, household appliance and mold
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 exterior part further comprising: a convex part arranged on the non-appearance surface, and the root thickness h of the convex part 1 The thickness h of the main material with the appearance part body meets the following conditions: h is a 1 ≤0.6h。
Further, the protruding portion is a rib, and the extending direction S of the rib 1 With the flow direction S of the injection molding melt 2 The first preset included angle a is set, and the first preset included angle a is larger than 15 degrees.
Further, the convex part is a buckle, the buckle comprises a plurality of connecting ribs, and the connecting ribs surround to form a clamping part; wherein, the extending direction S of each connecting rib 3 With the flow direction S of the injection molding melt 2 The two are arranged at a second preset included angle which is larger than 15 degrees.
Further, the outer part body is provided with a buffering concave part, and the buffering concave part is arranged corresponding to the pouring gate of the die.
Further, a distance between the convex portion and the gate molding region is larger than a distance between the convex portion and a filling end of the outer part body in a flow direction of the injection melt, and the convex portion is located between the filling end and the gate molding region.
Further, a distance between the protrusion and the gate molding region is 20mm or more in a flow direction of the injection melt.
Further, the exterior part further includes: the reinforcing ribs are connected with the convex parts and the appearance part body, the number of the reinforcing ribs is multiple, and the reinforcing ribs are arranged at intervals around the circumference of the convex parts; wherein, the extending direction S of the reinforcing ribs 4 With the flow direction S of the injection molding melt 2 The first and second angles are set at a third preset included angle which is larger than 15 degrees.
Further, the protruding portion is a rib, the rib comprises a first rib section, a second rib section and a third rib section which are sequentially connected, the first rib section and the third rib section are arranged oppositely, and the reinforcing rib is arranged on the first rib section and/or the third rib section.
Further, the buffer concave portion has a buffer notch and a buffer groove bottom, and the groove depth of the buffer concave portion gradually decreases along the extending direction of the buffer groove bottom to the buffer notch.
Further, the buffer concave part is positioned in the middle of the appearance part body, and the convex part is one; alternatively, the plurality of convex portions is provided, and the plurality of convex portions is provided around the buffer concave portion.
Further, the exterior part further includes: each group of clamping parts comprises a plurality of clamping ribs, and at least one group of clamping parts are positioned within a range of 20mm away from the edge of the appearance part body.
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 another aspect of the present invention, there is provided a mold having a cavity for forming the above-described exterior part, the mold further having a gate in communication with the cavity.
Further, the die is also provided with a buffer runner and a melt inlet, wherein the first end of the buffer runner is communicated with the melt inlet, and the buffer runner is communicated with one end of the gate away from the die cavity, so that injection molding melt sequentially flows through the melt inlet, the buffer runner and the gate and then enters the die cavity.
By applying the technical scheme of the invention, the non-appearance surface is positioned at the inner side of the appearance surface, the convex part is arranged on the non-appearance surface, and the root thickness h of the convex part 1 The thickness h of the main material with the appearance part body meets the following conditions: h is a 1 And the time is less than or equal to 0.6h. Wherein, the convex part is a rib or a buckle. Thus, the above arrangement of the convex portion can enhance the structural strength of the appearance member body or realize the assembly of the appearance member body and other structures, and the root thickness h of the convex portion 1 The arrangement of the main material thickness h of the appearance part body can avoid the influence of water shrinkage marks on the appearance surface on the appearance part, thereby solving the problem that the spraying-free injection molding part is easy to produce appearance defects.
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 a schematic perspective view of an embodiment of an appearance part according to the invention when assembled with a mould;
FIG. 2 shows a side view of the appearance component of FIG. 1;
FIG. 3 shows a B-B cross-sectional view of the appearance component of FIG. 2; and
fig. 4 shows an enlarged schematic view at Z of the appearance component in fig. 3.
Wherein the above figures include the following reference numerals:
10. an appearance body; 11. appearance surface; 12. a non-exterior surface; 13. a gate molding zone; 30. a gate; 50. a buffer flow channel; 60. a melt inlet; 200. a buffer concave portion; 400. a convex portion; 401. a first rib section; 402. a second rib section; 403. a third rib section; 500. reinforcing ribs; 600. and (5) clamping the ribs.
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 is noted that 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 unless otherwise indicated.
In the present invention, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used generally with respect to the orientation shown in the drawings or to the vertical, vertical or gravitational orientation; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.
In order to solve the problem that the spraying-free injection molding in the prior art is easy to produce appearance defects, the application provides an appearance part, a household appliance and a mold.
Example 1
As shown in fig. 1 to 4, the exterior part is a spray-free injection molding, the exterior part includes an exterior part body 10, the exterior part body 10 has an exterior surface 11 and a non-exterior surface 12, and the exterior part further includes a convex portion 400. The convex portion 400 is provided on the non-exterior surface 12, and the root thickness h of the convex portion 400 is 1 The thickness h of the main material with the appearance part body 10 is as follows: h is a 1 ≤0.6h。
With the technical proposal of the embodiment, the non-exterior surface 12 is positioned at the inner side of the exterior surface 11, the convex part 400 is arranged on the non-exterior surface 12, and the root thickness h of the convex part 400 is as follows 1 The thickness h of the main material with the appearance part body 10 is as follows: h is a 1 And the time is less than or equal to 0.6h. Wherein, the convex part 400 is a rib. In this way, the above arrangement of the convex portion 400 can enhance the structural strength of the exterior body 10 or realize the assembly of the exterior body 10 with other structures, and the root thickness h of the convex portion 400 1 The arrangement of the main material thickness h of the appearance part body 10 can avoid the influence of the water shrinkage mark on the appearance surface 11 on the appearance aesthetic property of the appearance part, thereby solving the problem that the spraying-free injection molding part is easy to produce appearance defects.
When the appearance part is injection molded by using the mold, the cavity of the mold is used for molding the appearance part, the gate 30 (may also be called a gate) is communicated with the cavity, the material in the gate 30 forms a gate molding portion, and the area where the appearance part is connected to the gate molding portion is referred to as a gate molding area 13.
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.
The appearance part in this application adopts and exempts from the spraying technique to make, and this appearance part is injection moulding goods and is made by exempting from the spraying material, exempts from to spray injection moulding spare have unique shadow effect and metallic luster after the shaping, can reach the appearance effect that compares favorably or surpass the spraying through not twice treatment, and this technique possesses advantages such as excellent function, low cost, environmental protection.
Optionally, the direction of extension S of the ribs 1 With the flow direction S of the injection molding melt 2 The first preset included angle a is set, and the first preset included angle a is larger than 15 degrees. Thus, the arrangement avoids the parallel extending direction of the ribs and the filling direction of the injection molding melt during injection molding as far as possible, so that the characteristic filling speed gradient change of the parallel flowing direction of the injection molding melt is reduced, and the appearance surface 11 is further prevented from generating flow marks to influence the appearance attractiveness of the appearance part.
As shown in fig. 3, the outer body 10 has a buffer recess 200, and the buffer recess 200 is provided corresponding to the gate 30 of the mold. Specifically, due to the existence of the buffering concave part 200, the liquid entering the injection molding cavity from the injection molding inlet is buffered by the buffering concave part 200, and the buffered injection molding liquid uniformly flows into the injection molding cavity from the periphery of the injection molding inlet. The structure can effectively slow down the direct injection and improve the uniformity of injection molding, thereby being convenient for effectively ensuring the quality of injection molding and solving the technical problem of poor quality of injection molding in the prior art.
In the present embodiment, the buffer concave portion 200 has a buffer notch and a buffer groove bottom, and the groove depth of the buffer concave portion 200 gradually decreases in the extending direction of the buffer groove bottom to the buffer notch. By adopting such a structural arrangement, the liquid entering from the injection molding inlet can be buffered conveniently through the buffer concave part 200, the liquid at the bottom of the buffer tank can be guided to flow into the position of the buffer notch conveniently, and the flow direction uniformity of the liquid can be improved conveniently.
Specifically, the buffer concave portion 200 in the present embodiment is an arc-shaped groove. With such a structural arrangement, the structure is reliable, and the liquid in the buffer recess 200 can be sufficiently buffered in a stable manner.
Alternatively, the distance between the convex portion 400 and the gate molding region 13 is larger than the distance between the convex portion 400 and the filling end of the outer part body 10 in the flow direction of the injection melt, and the convex portion 400 is located between the filling end and the gate molding region 13. Therefore, the speed and the pressure of the injection molding melt are more stable when the injection molding melt is far away from the pouring gate forming area 13 or at the filling end, so that the overturning of the aluminum sheet is reduced, and the occurrence of flow marks on the appearance surface 11 is further avoided.
The distance between the convex portion 400 and the gate molding region 13 refers to the distance between the convex portion 400 closest to the gate molding region 13 and the gate molding region 13 among the plurality of convex portions 400.
Alternatively, the distance between the convex portion 400 and the gate forming region 13 is 20mm or more in the flow direction of the injection melt. Therefore, the speed and the pressure of the injection molding melt are more stable when the injection molding melt is far away from the pouring gate forming area 13 or at the filling end, so that the overturning of the aluminum sheet is reduced, and the occurrence of flow marks on the appearance surface 11 is further avoided.
As shown in fig. 3 and 4, the exterior part further includes a reinforcing rib 500. The reinforcing ribs 500 are connected to the convex portion 400 and the outer body 10, and the reinforcing ribs 500 are provided in plurality and the plurality of reinforcing ribs 500 are provided at intervals around the circumference of the convex portion 400. Like this, above-mentioned setting has increased the area of contact between convex part 400 and the outward appearance spare body 10, and then has promoted the intensity reinforcing effect of strengthening rib 500, has further promoted the structural strength of outward appearance part, has prolonged the life of outward appearance part.
Alternatively, the extending direction S of the reinforcing bead 500 4 With the flow direction S of the injection molding melt 2 Is a third pre-treatmentThe third preset included angle is larger than 15 degrees. In this way, the above arrangement avoids the extension direction of the reinforcing rib 500 being parallel to the filling direction of the injection molding melt during injection molding as much as possible, thereby reducing the characteristic filling speed gradient change of the injection molding melt in the parallel flow direction, and further preventing the appearance surface 11 from generating flow marks to affect the appearance attractiveness of the appearance part.
As shown in fig. 4, the rib includes a first rib section 401, a second rib section 402 and a third rib section 403 connected in sequence, the first rib section 401 is disposed opposite to the third rib section 403, and the reinforcing rib 500 is disposed on the first rib section 401 and/or the third rib section 403. In this way, the rib structure is simpler, easy to process and realize, and the processing cost of the convex part 400 is reduced.
Specifically, the reinforcing ribs 500 are disposed on the first rib section 401 and the third rib section 403, so as to increase the contact area between the ribs and the appearance part body 10, thereby improving the structural strength of the appearance part and prolonging the service life of the appearance part.
In this embodiment, the extending direction of the first rib section 401 is S 1 The direction, the direction of extension of the second rib section 402 and the flow direction S of the injection melt 2 Are arranged perpendicular to each other, and the extending direction of the first rib section 401 and the flowing direction S of the injection molding melt 2 The included angle between the first rib section 401 and the extending direction of the first rib section and the flowing direction S of the injection molding melt 2 The included angles are the same, so that the arrangement of the ribs is easier, and the processing cost of the appearance part is reduced.
Optionally, the reinforcing ribs 500 are plural, and the plural reinforcing ribs 500 are disposed at intervals along the extending direction of the first rib section 401.
Optionally, the reinforcing ribs 500 are plural, and the plural reinforcing ribs 500 are disposed at intervals along the extending direction of the third rib section 403.
In this embodiment, four reinforcing ribs 500 are provided on each rib, two reinforcing ribs 500 are provided on the first rib section 401, and the other two reinforcing ribs 500 are provided on the third rib section 403.
In the present embodiment, the number of the projections 400 is three, one projection 400 of the three is provided near the buffer recess 200, and the other two projections 400 are provided near the filling tip.
Alternatively, the buffer concave portion 200 is located in the middle of the outer part body 10, and the number of convex portions 400 is one; alternatively, the plurality of convex portions 400 are provided, and the plurality of convex portions 400 are provided around the buffer concave portion 200; at least one set of projections 400 is located within 20mm from the edge of the outer appearance body 10. In this way, the above arrangement further improves the structural reinforcing effect of the convex portion 400 on the appearance part, and also ensures that the convex portion 400 is far away from the gate forming area 13 as much as possible, thereby reducing the overturning of the aluminum sheet and further avoiding the occurrence of flow marks on the appearance surface 11.
As shown in fig. 1, the exterior component further includes at least one set of snap-fit portions. Each group of clamping parts comprises a plurality of clamping ribs 600, and at least one group of clamping parts are positioned within a range of 20mm from the edge of the appearance part body. Thus, the above-mentioned arrangement of the clamping ribs 600 facilitates the installation and fixation of the appearance components and other structures, thereby reducing the operation difficulty of the staff.
The edge of the outer appearance body 10 is a filling end, and thus the hidden trouble of flow marks can be reduced.
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. Therefore, the spraying-free material contains the particles, so that the injection molding part 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.
Alternatively, the metal particles are aluminum or copper.
Alternatively, the fibers are nylon or natural fibers.
In this embodiment, the appearance component is a table-top water purifier base.
The application 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 this embodiment, the home appliance is a desktop water purifier.
As shown in fig. 1, the present application also provides a mold having a cavity for forming the above-mentioned appearance part, the mold further having a gate 30, the gate 30 being in communication with the cavity.
As shown in fig. 1, the mold further has a buffer runner 50 and a melt inlet 60, wherein a first end of the buffer runner 50 is communicated with the melt inlet 60, and the buffer runner 50 is communicated with an end of the gate 30 away from the cavity, so that the injection melt flows through the melt inlet 60, the buffer runner 50 and the gate 30 in sequence and then enters the cavity. Wherein the buffer flow channel 50 is columnar so that the gate 30 is columnar. Thus, the buffer flow channel 50 plays a role in buffering the rubber, thereby prolonging the freezing time of the rubber.
Example two
The exterior part in the second embodiment is different from the first embodiment in that: the structure of the convex part 400 is different.
In this embodiment, the protrusion 400 is a buckle. Specifically, the above arrangement of the convex portion 400 can enhance the structural strength of the exterior body 10 or realize the assembly of the exterior body 10 with other structures, and the root thickness h of the convex portion 400 1 The arrangement of the main material thickness h of the appearance part body 10 can avoid the influence of the water shrinkage mark on the appearance surface 11 on the appearance aesthetic property of the appearance part, thereby solving the problem that the spraying-free injection molding part is easy to produce appearance defects.
Optionally, the buckle includes a plurality of connection ribs, and the plurality of connection ribs surrounds and forms the joint portion. Wherein, the extending direction S of each connecting rib 3 With the flow direction S of the injection molding melt 2 The two are arranged at a second preset included angle which is larger than 15 degrees. Thus, the arrangement avoids the extension direction of the connecting ribs being parallel to the filling direction of the injection molding melt during injection molding as far as possible, so that the characteristic filling speed gradient change of the parallel flow direction of the injection molding melt is reduced, and the appearance surface 11 is further prevented from generating flow marks to influence the appearance attractiveness of the appearance part.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
the non-exterior surface is positioned at the inner side of the exterior surface, the convex part is arranged on the non-exterior surface, and the root thickness h of the convex part 1 The thickness h of the main material with the appearance part body meets the following conditions: h is a 1 And the time is less than or equal to 0.6h. Wherein, the convex part is a rib or a buckle. Thus, the above arrangement of the convex portion can enhance the structural strength of the appearance member body or realize the assembly of the appearance member body and other structures, and the root thickness h of the convex portion 1 The arrangement of the main material thickness h of the appearance part body can avoid the influence of water shrinkage marks on the appearance surface on the appearance part, thereby solving the problem that the spraying-free injection molding part is easy to produce appearance defects.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
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.
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 implemented in sequences other than those illustrated or described herein.
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 (14)

1. The utility model provides an appearance part, its characterized in that, the appearance part is exempt from spraying injection molding, appearance part includes appearance spare body (10), appearance spare body (10) have outward appearance face (11) and non-outward appearance face (12), appearance part still includes:
a convex part (400) arranged on the non-exterior surface (12), the root thickness h of the convex part (400) 1 The thickness h between the main material and the appearance part body (10) meets the following conditions: h is a 1 ≤0.6h。
2. The appearance part according to claim 1, characterized in that the protruding portion (400) is a rib, the direction of extension S of which rib 1 With the flow direction S of the injection molding melt 2 The first preset included angle a is set, and the first preset included angle a is larger than 15 degrees.
3. The appearance component according to claim 1, wherein the protrusion (400) is a buckle, the buckle comprising a plurality of connecting ribs, the plurality of connecting ribs surrounding to form a clamping portion; wherein, the extending direction S of each connecting rib 3 With the flow direction S of the injection molding melt 2 The two are arranged at a second preset included angle which is larger than 15 degrees.
4. The exterior member according to claim 1, wherein the exterior member body (10) has a buffer recess (200), and the buffer recess (200) is provided corresponding to a gate (30) of a mold.
5. The exterior part according to claim 4, characterized in that a distance between the protrusion (400) and the gate forming region (13) is larger than a distance between the protrusion (400) and a filling end of the exterior part body (10) in a flow direction of the injection melt, the protrusion (400) being located between the filling end and the gate forming region (13).
6. The appearance part according to claim 5, characterized in that the distance between the protrusion (400) and the gate forming zone (13) is greater than or equal to 20mm in the flow direction of the injection melt.
7. The appearance component of claim 1, further comprising:
the reinforcing ribs (500), the reinforcing ribs (500) are connected with the convex parts (400) and the appearance part body (10), the number of the reinforcing ribs (500) is multiple, and the reinforcing ribs (500) are arranged at intervals around the circumference of the convex parts (400); wherein the extending direction S of the reinforcing rib (500) 4 With the flow direction S of the injection molding melt 2 The first and second angles are set at a third preset included angle which is larger than 15 degrees.
8. The appearance component according to claim 7, wherein the protruding portion (400) is a rib, the rib comprises a first rib section (401), a second rib section (402) and a third rib section (403) which are sequentially connected, the first rib section (401) is arranged opposite to the third rib section (403), and the reinforcing rib (500) is arranged on the first rib section (401) and/or the third rib section (403).
9. The exterior part according to claim 4, wherein the buffer recess (200) has a buffer groove and a buffer groove bottom, and a groove depth of the buffer recess (200) gradually decreases along an extending direction of the buffer groove bottom toward the buffer groove.
10. The exterior part according to claim 4, wherein the buffer recess (200) is located in the middle of the exterior part body (10), and the protruding portion (400) is one; alternatively, the plurality of protruding parts (400) is provided, and the plurality of protruding parts (400) is provided around the buffer concave part (200).
11. The appearance component of claim 1, further comprising:
each group of clamping parts comprises a plurality of clamping ribs (600), and the clamping parts are positioned within a range of 20mm from the edge of the appearance part body.
12. 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 11.
13. A mould, characterized in that it has a cavity for forming the appearance part according to any one of claims 1 to 11, the mould further having a gate (30), the gate (30) being in communication with the cavity.
14. The mold of claim 13, further comprising a buffer runner (50) and a melt inlet (60), wherein a first end of the buffer runner (50) is in communication with the melt inlet (60), and wherein the buffer runner (50) is in communication with an end of the gate (30) remote from the cavity such that injection molding melt flows through the melt inlet (60), the buffer runner (50) and the gate (30) in sequence and into the cavity.
CN202111676864.1A 2021-12-31 2021-12-31 Appearance part, household appliance and mold Pending CN116408935A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111676864.1A CN116408935A (en) 2021-12-31 2021-12-31 Appearance part, household appliance and mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111676864.1A CN116408935A (en) 2021-12-31 2021-12-31 Appearance part, household appliance and mold

Publications (1)

Publication Number Publication Date
CN116408935A true CN116408935A (en) 2023-07-11

Family

ID=87048461

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111676864.1A Pending CN116408935A (en) 2021-12-31 2021-12-31 Appearance part, household appliance and mold

Country Status (1)

Country Link
CN (1) CN116408935A (en)

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