CN114030133B - Insert structure and die - Google Patents
Insert structure and die Download PDFInfo
- Publication number
- CN114030133B CN114030133B CN202010929696.1A CN202010929696A CN114030133B CN 114030133 B CN114030133 B CN 114030133B CN 202010929696 A CN202010929696 A CN 202010929696A CN 114030133 B CN114030133 B CN 114030133B
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- Prior art keywords
- insert
- section
- embedded
- middle section
- liquid storage
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- 238000001816 cooling Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 34
- 230000017525 heat dissipation Effects 0.000 claims description 26
- 230000007704 transition Effects 0.000 claims description 18
- 239000000110 cooling liquid Substances 0.000 claims description 11
- 230000004323 axial length Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 15
- 229910000881 Cu alloy Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process 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
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses an insert structure and a die, wherein the insert structure comprises a first insert, a second insert and a third insert, and the first insert, the second insert and the third insert are sequentially nested from outside to inside, the hardness of the materials of the first insert and the third insert is greater than that of the materials of the second insert, and the thermal conductivity of the materials of the first insert and the third insert is smaller than that of the materials of the second insert. The second insert with larger heat conductivity is embedded into the first insert with larger hardness, and the third insert with larger hardness is embedded into the second insert, so that the insert structure integrates the two advantages of large hardness and large heat conductivity, and the insert structure is ensured to have larger hardness and larger heat conductivity.
Description
Technical Field
The invention belongs to the technical field of injection molds, and particularly relates to a mold, in particular to an insert structure arranged in a wall thickness transition region of the mold.
Background
The existing mould is provided with more wall thickness transition areas, the wall thickness transition areas are formed between the wall thickness areas and the wall thickness areas of the mould, wherein the local temperature of the wall thickness areas of the mould is too high, the local temperature of the wall thickness areas of the mould is relatively low, so that a large temperature difference exists between the wall thickness areas and the wall thickness areas, and the wall thickness transition areas become hot spot areas with concentrated heat but poor cooling.
At present, an insert is arranged in the wall thickness transition region, and a cooling structure is arranged in the insert to cool the wall thickness transition region, so that the temperature of the mold can be quickly cooled to reach the temperature required by the technology after injection molding is finished; the existing insert materials are generally made of steel or copper alloy, and although the heat conduction efficiency of the copper alloy is relatively high compared with that of the steel, the copper alloy can conduct heat relatively efficiently, but the hardness of the copper alloy is relatively low compared with that of the steel, and only a shorter and simpler cooling water channel can be arranged on the copper alloy, and even a cooling water channel cannot be arranged on the copper alloy; although the steel material has a high hardness and a long and complicated cooling water passage can be provided thereon, the steel material has a low heat conductivity and cannot efficiently conduct heat.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and providing an insert structure and a die, so as to achieve the purpose of having larger heat conductivity while having larger hardness.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
the invention provides an insert structure which comprises a first insert, a second insert and a third insert which are sequentially nested from outside to inside, wherein the hardness of the first insert and the third insert is greater than that of the second insert, and the thermal conductivity of the first insert and the third insert is smaller than that of the second insert.
Further, a part of the second insert is nested in the first insert, and a third insert is embedded in the exposed part of the second insert outside the first insert.
Further, the second insert is columnar and is axially and sequentially divided into a liquid storage section, a middle section and a heat dissipation section, the liquid storage section and the middle section are embedded in the first insert, and the third insert is embedded in the middle section and the heat dissipation section;
preferably, the radial dimensions of the liquid storage section, the middle section and the heat dissipation section are sequentially decreased.
Further, the first insert is in a cylindrical shape with a hollow inside and coaxially arranged with the second insert, and the liquid storage section and the middle section of the second insert are positioned in the cylindrical first insert and are in contact with the inner wall of the cylindrical first insert.
Further, the third insert is in a column shape coaxially arranged with the second insert, and the axial length of the third insert is smaller than the sum of the lengths of the middle section and the radiating section of the second insert; the second insert is internally provided with an embedding groove which extends along the axial direction and is positioned at the center of the middle section and the heat dissipation section, the third insert is wholly embedded in the embedding groove, and the peripheral side wall of the third insert is in fit contact with the inner wall of the embedding groove.
Further, the first insert, the second insert and the third insert are provided with overlapping parts in the axial direction of the second insert, and connecting pieces which radially penetrate through the overlapping parts in sequence and fixedly connect the three parts are arranged at the overlapping parts.
Further, a mounting hole is formed in the middle section of the second insert, and auxiliary mounting holes which are coaxially arranged corresponding to the mounting holes are respectively formed in the first insert and the third insert; the fixing piece comprises pins which sequentially penetrate through the mounting holes along the radial direction of the second insert.
Further, a cooling flow passage through which cooling liquid flows is provided in the second insert.
Further, one end part of the second insert is a liquid storage section embedded in the first insert, a cavity is arranged in the liquid storage section, the cavity extends along the axial direction of the columnar second insert, one side of the cavity, which is positioned at the end part of the second insert, is opened, the other opposite side of the cavity is closed through the middle section of the second insert, and the cavity containing cooling liquid forms a cooling flow channel.
The invention also provides a die, wherein the die is provided with a wall thickness transition area, and the wall thickness transition area is provided with the insert structure provided by the technical scheme.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.
1. The second insert with larger heat conductivity is embedded into the first insert with larger hardness, the third insert with larger hardness is embedded into the second insert, and the first insert with larger hardness and the third insert have supporting effect on the second insert with larger heat conductivity, so that the insert structure integrates the two advantages of larger hardness and larger heat conductivity, the insert structure is guaranteed to have certain hardness, the insert structure is guaranteed to have certain heat conduction efficiency, and the cooling efficiency of the insert structure to the die is improved.
2. The cooling flow channel is arranged on the liquid storage section of the second insert with larger heat conductivity, the liquid storage section of the second insert with larger heat conductivity is embedded into the first insert part with larger hardness, the first insert part supports the liquid storage section of the second insert, the cooling flow channel is used for cooling the liquid storage section of the second insert in a contact manner, the exchange efficiency between the cooling flow channel and the liquid storage section of the second insert is improved, and therefore the cooling efficiency of the insert structure to the die is improved.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
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. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
FIG. 1 is a schematic view of an insert structure provided in an embodiment of the present invention;
fig. 2 is a cross-sectional view of an insert structure provided in an embodiment of the present invention.
In the figure: 1-a first insert; 11-channel; 111-a first channel segment; 112-a second channel segment; 12-inner steps; 13-a first insert part; 14-a second insert part; 2-a second insert; 21-an outer step; 22-a liquid storage section; 221-cavity; 23-an intermediate section; 24-a heat dissipation section; 3-a third insert; 4-connecting piece; 41-pins; 5-cooling flow channels.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the present invention provides an insert structure, which includes a first insert 1, a second insert 2 and a third insert 3 that are nested in sequence from outside to inside, wherein the hardness of the material of the first insert 1 and the third insert 3 is greater than that of the material of the second insert 2, and the thermal conductivity of the material of the first insert 1 and the third insert 3 is less than that of the material of the second insert.
In the embodiment of the invention, the second insert 2 with larger heat conductivity is embedded into the first insert 1 with larger hardness, the third insert 3 with larger hardness is embedded into the second insert 2, and the first insert 1 and the third insert 3 with larger hardness have the function of supporting the second insert 2 with larger heat conductivity, so that the insert structure integrates the two advantages of larger hardness and larger heat conductivity, the insert structure is ensured to have larger hardness, and the insert structure is ensured to have larger heat conductivity;
the first insert 1, the second insert 2 and the third insert 3 are nested in sequence, which means that the second insert 2 is partially embedded in the first insert 1 or the second insert 2 is completely embedded in the first insert 1; the third insert 3 is partially embedded in the first insert 1, or the third insert 3 is entirely embedded in the second insert 2; the second insert 2 is made of copper or copper alloy, and the second insert 2 has larger heat conductivity; the first insert 1 and the third insert 3 are made of steel materials, and the first insert 1 and the third insert 3 have larger hardness.
As shown in fig. 1 and 2, in the embodiment of the present invention, a portion of the second insert 2 is nested in the first insert 1, and a third insert 3 is embedded in a bare portion of the second insert 2 located outside the first insert 1.
In the embodiment of the invention, specifically, the second insert 2 has a first part and a second part, the first part of the second insert 2 is embedded in the first insert 1, the second part of the second insert 2 is exposed outside the first insert 1, and the second part of the second insert 2 is embedded with the third insert 3;
the second part of the second insert 2 is used for contacting with the wall thickness transition region of the die, the first insert 1 carries out hard support on the first part of the second insert 2, and the third insert 3 carries out hard support on the second part of the second insert 2, so that the module structure has larger heat conductivity on the basis of larger hardness.
As shown in fig. 2, in the embodiment of the present invention, the second insert 2 is in a column shape, the second insert is axially divided into a liquid storage section 22, a middle section 23 and a heat dissipation section 24 in sequence, the liquid storage section 22 and the middle section 23 are embedded in the first insert 1, and the third insert 3 is embedded in the middle section 23 and the heat dissipation section 24.
In the embodiment of the invention, the second insert is columnar, and the second insert 2 is divided into a liquid storage section 22, an intermediate section 23 and a heat dissipation section 24 along the axial direction of the second insert, wherein the intermediate section 23 is positioned between the liquid storage section 22 and the heat dissipation section 24, and the liquid storage section 22 can be used for containing cooling liquid and is used for cooling the first insert 1 and the second insert 2; the heat dissipation section 24 is used for contacting with the wall thickness transition region of the die and performing contact heat dissipation on the wall thickness transition region of the die;
the third insert 3 is embedded in the middle section 23 and the heat dissipation section 24, which means that the whole section of the middle section 23 and the whole section of the heat dissipation section 24 are embedded with the third insert 3; the third insert 3 is embedded in part of the middle section 23, and the third insert 3 is embedded in the whole section of the heat dissipation section 24;
as shown in fig. 2, as a preferred solution of the foregoing embodiment, the radial dimensions of the liquid storage section 22, the intermediate section 23 and the heat dissipation section 24 decrease sequentially, so as to reduce the volume of the insert structure, occupy less mold space, and simultaneously reduce the use of materials and save costs.
As shown in fig. 2, in the embodiment of the present invention, the first insert 1 has a cylindrical shape with a hollow interior and coaxially disposed with the second insert 2, and the liquid storage section 22 and the intermediate section 23 of the second insert 2 are disposed inside the cylindrical first insert and in contact with the inner wall of the cylindrical first insert 1.
In the embodiment of the invention, the first insert 1 is cylindrical, the first insert 1 is provided with a channel 11 along the axial direction, the channel 11 enables the interior of the first insert 1 to be hollow, the first insert 1 comprises a first insert part 13 provided with a liquid storage section 22 and a second insert part 14 provided with an intermediate section 23, the liquid storage section 22 is in abutting contact with the inner wall of the first insert part 13, and the intermediate section 23 is in abutting contact with the inner wall of the second insert part 14;
the channel 11 comprises a first channel section 111 arranged in the first insert part 13 and a second channel section 112 arranged in the second insert part 14, the liquid storage section 22 is arranged in the first channel section 111, and the middle section 23 is arranged in the second channel section 112; the second channel section 112 is radially narrowed relative to the first channel section 111, that is, the inner wall of the first insert 1 is stepped along the axial direction, the first insert is provided with an inner step 12 at the narrowing position, the middle section 23 is radially narrowed relative to the liquid storage section 22, that is, the outer wall of the second insert is stepped along the axial direction, the second insert 2 is provided with an outer step 21 at the narrowing position, the inner step 12 is abutted with the outer step 21, and the assembly strength between the first insert 1 and the second insert 2 is increased.
As shown in fig. 2, in the embodiment of the present invention, the third insert 3 has a columnar shape coaxially disposed with the second insert 2, and the axial length of the third insert 3 is smaller than the sum of the lengths of the intermediate section 23 and the heat dissipation section 24 of the second insert 2; the second insert 2 is internally provided with an insert groove which extends along the axial direction and is positioned at the center of the middle section 23 and the heat dissipation section 24, the third insert 3 is wholly embedded in the insert groove, and the outer peripheral side wall of the third insert 3 is in fit contact with the inner wall of the insert groove.
In the embodiment of the invention, the axial length of the third insert 3 is smaller than the sum of the lengths of the middle section 23 and the radiating section 24 of the second insert 2, and the axial length of the insert groove is smaller than the sum of the lengths of the middle section 23 and the radiating section 24 of the second insert 2, that is, the middle section 23 of the second insert 2 is fully embedded with the third insert 3, the radiating section 24 of the second insert 2 is partially embedded with the third insert 3, or the middle section 23 of the second insert 2 is partially embedded with the third insert 3, the radiating section 24 of the second insert 2 is fully embedded with the third insert 3, preferably, the middle section 23 of the second insert 2 is fully embedded with the third insert 3, so that the radiating section 24 of the second insert 2 can be fully supported by the hardness of the third insert 3, and the hardness of the radiating section 24 of the second insert 2 is indirectly enhanced;
the opening of the insert groove is arranged at one end of the heat dissipation section 24 of the second insert 2 far away from the middle section 23 of the second insert 2, and the third insert 3 is embedded into the heat dissipation section 24 of the second insert 2 through the opening of the insert groove and then is embedded into the middle section 23 of the second insert 2 when being installed.
As shown in fig. 2, in the embodiment of the present invention, the first insert 1, the second insert 2 and the third insert 3 have overlapping portions in an axial direction of the second insert 2, and connecting members penetrating radially in sequence and fixedly connecting the three portions are provided at the overlapping portions.
In the embodiment of the invention, the third insert 3 is embedded into the middle section 23 of the second insert 2 through the heat dissipation section 24 of the second insert 2, and the middle section 23 of the second insert 2 is arranged in the first insert 1, namely, the middle section 23 of the second insert 2 is arranged in the second insert part 14, so that the second insert part 14, the middle section 23 of the second insert 2 and the third insert 3 have an overlapped part in the axial direction of the second insert 2, and the three parts are connected together through the connecting piece 4 at a certain part of the overlapped part; the connecting piece may be various, as long as the second insert portion 14, the intermediate section 23 of the second insert 2, and the third insert 3 can be connected together;
the second insert part 14, the middle section 23 of the second insert 2 and the third insert 3 are provided with mounting holes, specifically, as the middle section 23 of the second insert 2 is embedded into the second insert part 14, the second insert part 14 is provided with an inner wall and an outer wall, the peripheral wall of the second insert part 14 is provided with two opposite first auxiliary mounting holes in the radial direction, the third insert 3 is embedded into the middle section 23 of the second insert 2, the middle section 23 of the second insert 2 is provided with an inner wall and an outer wall, the peripheral wall of the second insert part 14 is provided with two opposite mounting holes in the radial direction, the third insert is of a solid structure, the radial direction of the third insert 3 is provided with the second auxiliary mounting holes, and the two mounting holes, the two first auxiliary mounting holes and the second auxiliary mounting holes are coaxially arranged;
the connecting piece 4 comprises a pin 41, the pin 41 passes through the first auxiliary mounting hole, the mounting hole and the second auxiliary mounting hole to fix the second insert part 14, the middle section 23 of the second insert 2 and the third insert 3; during installation, the pin 41 sequentially passes through a first auxiliary mounting hole, a second auxiliary mounting hole, another mounting hole and another first auxiliary mounting hole, so that the second insert part 14, the middle section 23 of the second insert 2 and the third insert 3 are fixed together, the firm strength between the second insert and the first insert 1 and the third insert 3 is enhanced, and the second insert can bear larger force.
As shown in fig. 2, in the embodiment of the present invention, the insert structure is provided with a cooling flow channel 5 for containing a cooling liquid, specifically, the second insert 2 is provided with the cooling flow channel 5 through which the cooling liquid flows, and the cooling flow channel 5 is used for cooling the first insert 1, the second insert 2 and the third insert 3 by providing the cooling flow channel 5 on the second insert, so as to realize heat dissipation in a thickness transition region of the mold.
In the embodiment of the invention, one end part of the second insert is a liquid storage section embedded in the first insert, a cavity is arranged in the liquid storage section, the cavity extends along the axial direction of the columnar second insert, one side of the cavity, which is positioned at the end part of the second insert, is open, the other opposite side of the cavity is closed through the middle section of the second insert, and the cavity containing cooling liquid forms a cooling flow channel.
In the embodiment of the present invention, the cavity is provided in the liquid storage section 22 of the second insert 2, and the cavity is used as the cooling flow channel 5 for containing the cooling liquid, and although the liquid storage section 22 of the second insert 2 is made of a material with smaller hardness and larger thermal conductivity, the liquid storage section 22 of the second insert 2 is embedded in the first insert part 13, and the first insert part 13 supports the liquid storage section 22 of the second insert 2, so that a longer cooling flow channel 5 can be opened on the liquid storage section 22 of the second insert 2;
because the heat conductivity of the second insert material is larger and the heat transfer efficiency is high, the cooling flow channel 5 is arranged on the insert section of the second insert 2, so that the cooling flow channel 5 carries out contact cooling on the second insert 2, and the exchange efficiency between the cooling flow channel 5 and the second insert 2 is improved;
the cavity extends along the axial direction of the first insert part 13, one side of the end part of the second insert 2 is opened, and one end of the cavity, which is close to the second insert part 14, is a closed end; the cavity extends in the first insert part 13 along the axial direction and extends to be close to the second insert part 14, so that the length of the cooling flow channel 5 is increased to the maximum extent, and the cooling efficiency of the cooling flow channel 5 is improved;
the end of the cavity, which is close to the second insert 2, is a closed end, and the end, which is opposite to the closed end, is an open end, and the open end can be used as an inlet and an outlet of the cooling flow channel 5, namely, cooling liquid can enter and exit the cooling flow channel 5 from the inlet and the outlet, and after the cooling liquid enters the cooling flow channel 5, a blocking block can be used for blocking the inlet and the outlet, so that the cooling flow channel 5 is a closed cooling flow channel 5.
In summary, when the insert structure is mounted, the second insert 2 enters the second insert portion 14 from the first insert portion 13, the variable diameter portion of the second insert 2 abuts against the variable diameter portion of the first insert 1, the third insert 3 is inserted into the intermediate section 23 of the second insert 2 through the heat dissipation section 24 of the second insert 2, and the pin 41 sequentially passes through one first auxiliary mounting hole, one second auxiliary mounting hole, another first auxiliary mounting hole, and fixedly connects the first insert 1, the second insert 2, and the third insert 3.
The invention also provides a die, wherein the die is provided with a wall thickness transition zone, and the insert structure is arranged on the wall thickness transition zone;
specifically, the end of the third insert 3 away from the second insert portion 14 is in contact with the wall thickness transition region, and since the wall thickness transition region is provided with the insert structure, the insert structure integrates the two advantages of high hardness and high thermal conductivity, ensures that the insert structure has certain hardness, and also ensures that the insert structure has certain thermal conduction efficiency, thereby improving the cooling efficiency of the insert structure to the mold.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (9)
1. The insert structure is characterized by comprising a first insert, a second insert and a third insert which are sequentially nested from outside to inside, wherein the hardness of the first insert and the third insert is greater than that of the second insert, and the thermal conductivity of the first insert and the third insert is smaller than that of the second insert;
part of the second insert is nested in the first insert, and a third insert is embedded in the exposed part of the second insert outside the first insert;
the second inserts are columnar, the columnar second inserts are axially and sequentially divided into a liquid storage section, a middle section and a heat dissipation section, the liquid storage section and the middle section are embedded in the first inserts, and the third inserts are embedded in the middle section and the heat dissipation section.
2. The insert structure of claim 1, wherein the radial dimensions of the reservoir section, the intermediate section, and the heat sink section decrease in sequence.
3. The insert structure according to claim 1, wherein the first insert has a cylindrical shape having a hollow interior and being disposed coaxially with the second insert, and the reservoir section and the intermediate section of the second insert are disposed inside the cylindrical first insert and in contact with an inner wall of the cylindrical first insert.
4. The insert structure according to claim 1, wherein the third insert has a columnar shape coaxially disposed with the second insert, and an axial length of the third insert is smaller than a sum of lengths of a middle section and a heat dissipation section of the second insert; the second insert is internally provided with an embedding groove which extends along the axial direction and is positioned at the center of the middle section and the heat dissipation section, the third insert is wholly embedded in the embedding groove, and the peripheral side wall of the third insert is in fit contact with the inner wall of the embedding groove.
5. The insert structure according to claim 1, wherein the first insert, the second insert and the third insert have three overlapping portions in an axial direction of the second insert, and a connecting member penetrating radially in order and fixedly connecting the three is provided at the three overlapping portions.
6. The insert structure according to claim 5, wherein the second insert has a mounting hole in a middle section thereof, and the first insert and the third insert have auxiliary mounting holes coaxially provided corresponding to the mounting holes, respectively; the connecting piece comprises pins which sequentially penetrate through the mounting holes along the radial direction of the second insert.
7. The insert structure according to any one of claims 1 to 6, wherein the second insert is provided internally with a cooling flow passage through which a cooling liquid flows.
8. The insert structure according to claim 7, wherein one end of the second insert is a liquid storage section embedded in the first insert, a cavity is provided in the liquid storage section, the cavity extends along the axial direction of the columnar second insert, one side of the cavity at the end of the second insert is open, the other opposite side is closed through the middle section of the second insert, and the cavity containing the cooling liquid forms a cooling flow passage.
9. A mould provided with a wall thickness transition zone, characterized in that the wall thickness transition zone is provided with an insert structure according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010929696.1A CN114030133B (en) | 2020-09-07 | 2020-09-07 | Insert structure and die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010929696.1A CN114030133B (en) | 2020-09-07 | 2020-09-07 | Insert structure and die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114030133A CN114030133A (en) | 2022-02-11 |
| CN114030133B true CN114030133B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010929696.1A Active CN114030133B (en) | 2020-09-07 | 2020-09-07 | Insert structure and die |
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| Country | Link |
|---|---|
| CN (1) | CN114030133B (en) |
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| JP2005199469A (en) * | 2004-01-13 | 2005-07-28 | Nissan Shatai Co Ltd | Injection mold |
| EP2520403A1 (en) * | 2011-05-04 | 2012-11-07 | Tooling Holland B.V. | Cavity insert for a preform injection mold |
| CN104260288A (en) * | 2014-09-12 | 2015-01-07 | 苏州好特斯模具有限公司 | Heat conduction copper-clad steel core for high glass fibers |
| DE202017102917U1 (en) * | 2017-05-15 | 2017-06-19 | Martin Baumann | Mold insert for a mold |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020003199A1 (en) * | 1999-12-06 | 2002-01-10 | Check John M. | Core for injection molding tools |
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2020
- 2020-09-07 CN CN202010929696.1A patent/CN114030133B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005199469A (en) * | 2004-01-13 | 2005-07-28 | Nissan Shatai Co Ltd | Injection mold |
| EP2520403A1 (en) * | 2011-05-04 | 2012-11-07 | Tooling Holland B.V. | Cavity insert for a preform injection mold |
| CN104260288A (en) * | 2014-09-12 | 2015-01-07 | 苏州好特斯模具有限公司 | Heat conduction copper-clad steel core for high glass fibers |
| DE202017102917U1 (en) * | 2017-05-15 | 2017-06-19 | Martin Baumann | Mold insert for a mold |
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| Publication number | Publication date |
|---|---|
| CN114030133A (en) | 2022-02-11 |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, hi tech park, Laoshan District, Shandong, Qingdao Patentee after: Kaos Mold (Qingdao) Co.,Ltd. Patentee after: Karos IoT Technology Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, hi tech park, Laoshan District, Shandong, Qingdao Patentee before: Qingdao Haier Molds Co.,Ltd. Patentee before: Haier CAOS IOT Ecological Technology Co.,Ltd. |