CN211726984U - Automobile heat dissipation part forming die - Google Patents
Automobile heat dissipation part forming die Download PDFInfo
- Publication number
- CN211726984U CN211726984U CN201922500529.0U CN201922500529U CN211726984U CN 211726984 U CN211726984 U CN 211726984U CN 201922500529 U CN201922500529 U CN 201922500529U CN 211726984 U CN211726984 U CN 211726984U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- die
- hole
- upper die
- heat sink
- 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.)
- Expired - Fee Related
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 48
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 abstract description 17
- 239000000956 alloy Substances 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Abstract
The utility model relates to the technical field of dies, in particular to a forming die for a heat radiation part for an automobile; the device comprises an upper die and a lower die connected with the upper die; an inner hole mandrel group is arranged at one end of the upper die; injection holes penetrating through the upper die are uniformly distributed on the side of the inner hole mandrel group; an outer wall groove is formed in one end of the lower die; the inner hole mandrel group extends into the outer wall groove; a forming cavity is formed between the outer wall groove and the inner hole core rod group; an extrusion hole is formed in the lower die; the injection hole, the molding cavity and the extrusion hole are sequentially communicated. The utility model discloses an evenly distributed filling hole around the inner hole mandrel group is favorable to the material to enter into the die cavity uniformly, and the alloy heat dissipation spare of avoiding extruding has cavity or clearance, improves the quality of alloy heat dissipation spare.
Description
Technical Field
The utility model relates to the technical field of mold, concretely relates to heat dissipation piece forming die for car.
Background
The extrusion die is a forming die, and is often used for producing alloy finished products, especially for producing alloy heat sinks for heat dissipation, and the extrusion die discharges materials through a cavity with a specific shape in an extrusion molding mode, and a molded pipe body is cooled through a cooling device and then reaches a cutting device to be cut into a proper size.
The existing die for producing the alloy heat dissipation part is generally provided with only one circular injection hole, but the heat dissipation part is different in shape, and the material passing through the cavity is not a liquid metal material but a softened metal material, so that when the heat dissipation part is extruded, the material cannot uniformly enter a molding cavity, the extruded alloy heat dissipation part has a cavity or a gap, and the quality of the produced heat dissipation part is poor.
Disclosure of Invention
An object of the utility model is to overcome above shortcoming, provide a car is with heat dissipation piece forming die, can produce the better car with heat dissipation piece of quality.
In order to achieve the above purpose, the specific scheme of the utility model is as follows: a forming die for an automobile heat sink comprises an upper die and a lower die connected with the upper die; an inner hole mandrel group is arranged at one end of the upper die; a plurality of injection holes penetrating through the upper die are uniformly distributed on the side of the inner hole mandrel group; an outer wall groove is formed in one end of the lower die; the inner hole mandrel group extends into the outer wall groove in a protruding mode; a forming cavity is formed between the outer wall groove and the inner hole core rod group; an extrusion hole is formed in the lower die; the injection hole, the molding cavity and the extrusion hole are sequentially communicated; the inner hole core rod group comprises two heat dissipation support rods; each radiating support rod is provided with a plurality of radiating ribs.
The utility model discloses further set up to, the quantity of filling hole is four, four filling hole evenly distributed in around the hole mandrel group.
The utility model discloses further set up to, go up the mould with the connection can be dismantled to the lower mould.
The utility model is further arranged that one end of the upper die is provided with a thread groove; the lower die is provided with a threaded through hole; the automobile heat sink forming die further comprises a bolt for assembling with the thread groove and the thread through hole; the upper die and the lower die are detachably connected through the bolt.
The utility model is further arranged that one end of the upper die is also provided with a positioning column; one end of the lower die is provided with a positioning groove used for being connected with the positioning column in a clamping mode.
The utility model discloses further set up to, every the internal diameter of filling hole all increases gradually along the direction of feeding.
The utility model is further arranged that each heat dissipation convex edge comprises a round part and a strip part; the circular part is connected with the heat dissipation support rod through the strip-shaped part.
The utility model discloses further set up to, every the heat dissipation prop up the stick and be close to the one end of filling hole all is equipped with the direction sloping platform.
The utility model has the advantages that: through evenly distributed filling hole around the downthehole mandrel group, be favorable to the material to enter into the shaping chamber evenly, avoid the alloy heat dissipation spare of extruding to have cavity or clearance, improve the quality of alloy heat dissipation spare.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
FIG. 1 is an exploded view of the present invention;
fig. 2 is an exploded view from another perspective of the present invention;
fig. 3 is a front view of the upper mold of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
wherein: 11-upper mould; 12-lower die; 21-a heat dissipation support rod; 31-an injection hole; 32-outer wall grooves; 33-extrusion orifices; 41-a positioning column; 42-positioning grooves; 43-thread groove; 44-threaded through holes; 5-heat dissipation ribs; 51-a circular portion; 52-strip-shaped portion; 6-guiding the inclined table.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
As shown in fig. 1 to 4, the mold for molding an automotive heat sink in the present embodiment includes an upper mold 11 and a lower mold 12 connected to the upper mold 11; an inner hole mandrel group is arranged at one end of the upper die 11; a plurality of injection holes 31 penetrating through the upper die 11 are uniformly distributed on the side of the inner hole core rod group; an outer wall groove 32 is formed in one end of the lower die 12; the inner bore mandrel groups project into the outer wall groove 32; a forming cavity (not shown) is arranged between the outer wall groove 32 and the inner hole core rod group; an extrusion hole 33 is formed in the lower die 12; the injection hole 31, the molding cavity and the extrusion hole 33 are sequentially communicated; the inner hole core rod group comprises two heat dissipation support rods 21; each heat dissipation support rod 21 is provided with a plurality of heat dissipation ribs 5.
Specifically, the utility model can produce tubular alloy heat sink with inner hole; the shape of the inner hole mandrel group determines the number and the shape of the inner holes of the alloy heat dissipation part, and the shape of the outer wall groove 32 determines the shape and the lines of the outer wall of the alloy heat dissipation part. The material is injected from the injection hole 31, extruded through the molding cavity, and then extruded from the extrusion hole 33. The utility model discloses a plurality of injection holes 31 of evenly distributed all around of inner hole mandrel group are favorable to the material to enter into the die cavity uniformly, and the edge part of the alloy heat dissipation spare of avoiding extruding has cavity or clearance, improves the quality of alloy heat dissipation spare. In order to improve the heat dissipation effect of the metal heat dissipation part, a plurality of heat dissipation convex edges 5 are arranged, and a plurality of grooves corresponding to the shapes of the heat dissipation convex edges 5 are formed after the heat dissipation part is molded; the contact area between the air and the heat dissipation piece is larger, and the heat dissipation effect of the produced heat dissipation piece is better.
As shown in fig. 1 to 3, in the forming mold for an automobile heat sink according to the present embodiment, the number of the injection holes 31 is four, and the four injection holes 31 are uniformly distributed around the inner hole mandrel set.
Each additional injection hole 31 requires a greater size for each injection hole 31 to ensure a superior alloy heat sink. Therefore, as the number of the injection holes 31 increases, the difficulty of manufacturing the mold body increases. The test can show that when the elongated heat dissipation member needs to be produced, the four injection holes 31 which are uniformly distributed in the inner hole core rod group are arranged, the structure of the mold is simple, uniform discharging can be optimally realized, and the qualification rate of products is effectively improved.
As shown in fig. 1-2, in the molding die for an automotive heat sink according to the embodiment, the upper die 11 is detachably connected to the lower die 12.
By arranging the detachable upper die 11 and the detachable lower die 12, different upper dies 11 or different lower dies 12 can be replaced according to different products, so that the repeated manufacture of the dies is avoided; specifically, the inner hole core rod group is used for forming the inner hole of the alloy heat dissipation piece; therefore, when the shape of the inner hole of the alloy heat dissipation piece needs to be changed, only different upper dies 11 need to be replaced; similarly, when the shape of the outer wall of the alloy heat sink needs to be changed, only different lower dies 12 need to be replaced.
As shown in fig. 1-2, in the molding die for an automotive heat sink according to the embodiment, one end of the upper die 11 is provided with a thread groove 43; the lower die 12 is provided with a threaded through hole 44; the molding die for an automobile heat sink further includes bolts (not shown) for fitting with the screw grooves 43 and the screw through holes 44; the upper die 11 and the lower die 12 are detachably connected through the bolts.
By means of the arrangement of the thread groove 43, the thread through hole 44 and the bolt, the upper die 11 and the lower die 12 are stably and reliably connected, and installation and disassembly are very convenient.
As shown in fig. 1-2, in the molding die for an automotive heat sink according to the embodiment, a positioning column 41 is further disposed at one end of the upper die 11; one end of the lower die 12 is provided with a positioning groove 42 for being clamped with the positioning column 41.
Through setting up reference column 41 and constant head tank 42, when assembling lower mould 12 on last mould 11, can fix a position lower mould 12 for assembly rate.
As shown in fig. 3, in the molding die for an automotive heat sink according to the present embodiment, the inner diameter of each injection hole 31 gradually increases along the feeding direction.
Through the arrangement, the softened material can fully and uniformly pass through the forming cavity, and the extrusion effect is good.
As shown in fig. 1 to 4, in the molding die for an automotive heat sink according to the present embodiment, each of the heat-dissipating ribs 5 includes a circular portion 51 and a strip portion 52; the circular portion 51 is connected to the heat dissipation bar 21 through the bar portion 52.
By providing the circular portion 51, the circular area is maximized in a limited space, and the heat dissipation effect of the produced metal heat sink is better.
As shown in fig. 1 to 4, in the molding die for an automotive heat sink according to the embodiment, a guide ramp 6 is disposed at one end of each heat dissipation support rod 21 close to the injection hole 31.
The metal material is guided to uniformly flow into the molding cavity, and the extruded heat dissipation piece is better in uniformity.
The above is only a preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a heat sink forming die for car which characterized in that: comprises an upper die (11) and a lower die (12) connected with the upper die (11);
an inner hole mandrel group is arranged at one end of the upper die (11);
a plurality of injection holes (31) penetrating through the upper die (11) are uniformly distributed on the side of the inner hole core rod group;
an outer wall groove (32) is formed in one end of the lower die (12);
the inner hole mandrel group protrudes into the outer wall groove (32); a forming cavity is formed between the outer wall groove (32) and the inner hole core rod group;
an extrusion hole (33) is formed in the lower die (12);
the injection hole (31), the molding cavity and the extrusion hole (33) are sequentially communicated; the inner hole core rod group comprises two heat dissipation support rods (21); each heat dissipation support rod (21) is provided with a plurality of heat dissipation ribs (5).
2. The mold for molding an automotive heat sink as recited in claim 1, wherein: the number of the injection holes (31) is four, and the four injection holes (31) are uniformly distributed on the periphery of the inner hole mandrel group.
3. The mold for molding an automotive heat sink as recited in claim 1, wherein: the upper die (11) is detachably connected with the lower die (12).
4. The mold for molding an automotive heat sink as recited in claim 1, wherein: one end of the upper die (11) is provided with a thread groove (43); the lower die (12) is provided with a threaded through hole (44); the automobile heat sink forming die further comprises a bolt for assembling with the thread groove (43) and the thread through hole (44); the upper die (11) and the lower die (12) are detachably connected through the bolts.
5. The mold for molding an automotive heat sink as recited in claim 4, wherein: one end of the upper die (11) is also provided with a positioning column (41); one end of the lower die (12) is provided with a positioning groove (42) which is used for being connected with the positioning column (41) in a clamping mode.
6. The mold for molding an automotive heat sink as recited in claim 1, wherein: the inner diameter of each injection hole (31) is gradually increased along the feeding direction.
7. The mold for molding an automotive heat sink as recited in claim 1, wherein: each heat dissipation rib (5) comprises a circular part (51) and a strip-shaped part (52); the circular part (51) is connected with the heat dissipation support rod (21) through the strip-shaped part (52).
8. The mold for molding an automotive heat sink as recited in claim 1, wherein: one end of each heat dissipation support rod (21) close to the injection hole (31) is provided with a guide inclined platform (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500529.0U CN211726984U (en) | 2019-12-31 | 2019-12-31 | Automobile heat dissipation part forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500529.0U CN211726984U (en) | 2019-12-31 | 2019-12-31 | Automobile heat dissipation part forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211726984U true CN211726984U (en) | 2020-10-23 |
Family
ID=72866817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922500529.0U Expired - Fee Related CN211726984U (en) | 2019-12-31 | 2019-12-31 | Automobile heat dissipation part forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211726984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7420026B2 (en) | 2020-09-09 | 2024-01-23 | 日本軽金属株式会社 | Extrusion die for forming patterned products |
-
2019
- 2019-12-31 CN CN201922500529.0U patent/CN211726984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7420026B2 (en) | 2020-09-09 | 2024-01-23 | 日本軽金属株式会社 | Extrusion die for forming patterned products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |