CN210233689U - Metal mold core with exhaust function - Google Patents
Metal mold core with exhaust function Download PDFInfo
- Publication number
- CN210233689U CN210233689U CN201921084126.6U CN201921084126U CN210233689U CN 210233689 U CN210233689 U CN 210233689U CN 201921084126 U CN201921084126 U CN 201921084126U CN 210233689 U CN210233689 U CN 210233689U
- Authority
- CN
- China
- Prior art keywords
- mold core
- core main
- main part
- seted
- boss
- 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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 13
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 239000011153 ceramic matrix composite Substances 0.000 claims description 7
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011162 core material Substances 0.000 description 70
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of the mould is made, especially, be a take metal mold core of exhaust function, including the mold core main part, the air discharge duct has been seted up to the surface of mold core main part to the louvre has been seted up to the position that mold core main part surface corresponds the air discharge duct, and the position fixedly connected with boss of louvre is corresponded to the mold core main part surface, and the boss keeps away from the one side of mold core main part and has seted up the pressure relief groove, the inner chamber fixedly connected with heat-conducting plate of mold core main part to the cavity has been seted up to the middle-end of mold core main. The utility model discloses, through mutually supporting between mold core main part, heat-conducting plate, louvre, pressure release groove and the boss, can effectively improve the pressure release radiating effect of mold core main part in the unit interval, still can suitably let out the pretightning force that the mold core main part bore simultaneously, avoid the mold core main part to take place to collapse and split, further prolong its life.
Description
Technical Field
The utility model belongs to the technical field of the mould is made, concretely relates to take exhaust function's metal mold core.
Background
The core, as the name implies, refers to the precision part used for the critical operation of the central part of the mold. The common structure of the mold core is extremely complex, the processing difficulty is very large, the manufacturing cost is very high, and the labor expenditure for manufacturing is greatly higher than that of the material. The choice of core material is also directly related to the cost of the mold and the useful life of the mold. The mold core includes: wire drawing mold core, ceramic mold core, vacuum mold core, exhaust mold core, automobile part mold core, etc.
Because the hardness of the mold core is high, the mold core is brittle, when a mold works, the inner cavity of the mold core generates strong pressure after raw materials are pressed, so that the mold core is impacted greatly and even has the possibility of cracking, and therefore a metal mold core with an exhaust function is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a take exhaust function's metal mold core to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take metal mold core of exhausting function, includes the mold core main part, the exhaust groove has been seted up to the surface of mold core main part to the louvre has been seted up to the position that mold core main part surface corresponds the exhaust groove, and the position fixedly connected with boss that mold core main part surface corresponds the louvre, and the boss is kept away from the one side of mold core main part and has been seted up the pressure relief groove, the inner chamber fixedly connected with heat-conducting plate of mold core main part to the cavity has been seted up to the middle-end of mold core main part inner chamber.
Preferably, the outer surface of the mold core main body is coated with a tungsten carbide coating, a ceramic matrix composite coating and a silicon trioxide coating from inside to outside in sequence.
Preferably, the pressure relief groove is a V-shaped groove with a transverse opening facing the side face of the mold core main body, and the depth of the pressure relief groove is flush with the outer side wall of the mold core main body.
Preferably, the pressure relief groove is in a symmetrical structure along the horizontal center line of the boss.
Preferably, the heat conducting plate is a heat conducting silica gel plate or a heat conducting graphite sheet.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, through mutually supporting between mold core main part, heat-conducting plate, louvre, pressure release groove and the boss, can effectively improve the pressure release radiating effect of mold core main part in the unit interval, still can suitably let out the pretightning force that the mold core main part bore simultaneously, avoid the mold core main part to take place to collapse and split, further prolong its life.
The utility model discloses, through setting up the tungsten carbide coating, ceramic matrix composite coating and silicon oxide coating, can improve the wear-resisting, corrosion-resistant and the oxidation resistance of mold core main part, prolonged the life of mold core main part, through setting up boss and pressure relief groove, V-arrangement pressure relief groove is symmetrical structure along the horizontal center line of boss to inwards tighten up the pretightning force when having alleviated mold core main part cooling comparatively evenly, alleviate the pretightning force that the mold core main part bore, thereby avoid the mold core main part to take place to collapse.
Drawings
The accompanying drawings 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 and not to limit the invention. In the drawings:
fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic view of the sectional structure of the middle mold core main body of the present invention viewed from the bottom.
In the figure: 1. a mold core main body; 2. an exhaust groove; 3. a heat conducting plate; 4. heat dissipation holes; 5. a boss; 6. a pressure relief groove; 7. a cavity; 8. a tungsten carbide coating; 9. a ceramic matrix composite coating; 10. a silicon trioxide coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a metal mold core with an exhaust function comprises a mold core main body 1, an exhaust groove 2 is formed in the outer surface of the mold core main body 1, heat dissipation holes 4 are formed in the positions, corresponding to the exhaust groove 2, of the outer surface of the mold core main body 1, a boss 5 is fixedly connected to the positions, corresponding to the heat dissipation holes 4, of the outer surface of the mold core main body 1, a pressure relief groove 6 is formed in one surface, away from the mold core main body 1, of the boss 5, the pressure relief groove 6 is in a transverse V-shaped groove, the deepest depth of the V-shaped groove in the horizontal direction extends to be flush with the outer side wall of the mold core main body 1, the groove body is prevented from extending into the mold core main body 1, the strength of the mold core main body 1 is affected, meanwhile, the pressure in the mold core main body 1 can be properly led out and relieved by taking the transverse V-shaped groove as a drainage, the boss 5 has the same expansion coefficient with the mold core main body 1, the contraction rate is the same in the heating or cooling process, thereby uniformly relieving the pretightening force tightened inwards when the mold core main body 1 is cooled, relieving the pretightening force born by the mold core main body 1, and avoiding the mold core main body 1 from cracking, the inner cavity of the mold core main body 1 is fixedly connected with the heat conducting plate 3, the space structure between the mold core main body 1 and the heat conducting plate 3 is a circular table, the mold core main body 1 and the heat conducting plate 3 are not of the same material, and the expansion coefficients of the two are the same, the contraction rates are the same in the heating or cooling process, the cavity 7 is arranged at the middle end of the inner cavity of the mold core main body 1, the heat conducting plate 3, the heat dissipation holes 4 and the cavity 7 are arranged, the heat conduction plate 3 can improve the heat dissipation efficiency of the mold core main body 1, and the combined action among the heat dissipation holes 4, and the cavity 7 is communicated with the exhaust groove 2 through the heat dissipation hole 4.
Specifically, the outer surface of the mold core main body 1 is coated with the tungsten carbide coating 8, the ceramic matrix composite coating 9 and the silicon trioxide coating 10 in sequence from inside to outside, and the tungsten carbide coating 8, the ceramic matrix composite coating 9 and the silicon trioxide coating 10 can improve the wear resistance, the corrosion resistance and the oxidation resistance of the mold core main body 1, and prolong the service life of the mold core main body 1.
Specifically, the pressure relief groove 6 is a V-shaped groove with a transverse opening facing the side surface of the mold core body 1, and the depth of the pressure relief groove 6 is flush with the outer side wall of the mold core body 1.
Specifically, the pressure relief groove 6 is in a symmetrical structure along the horizontal center line of the boss 5.
Specifically, the heat conducting plate 3 is a heat conducting silica gel plate or a heat conducting graphite sheet.
The utility model discloses a theory of operation and use flow: the heat conducting plate 3 can improve the heat dissipation efficiency of the mold core main body 1, and then the heat dissipation holes 4 are assisted, the combined action between the cavity 7 and the exhaust groove 2 can effectively improve the pressure relief heat dissipation effect of the mold core main body 1 in unit time, the pressure relief groove 6 is arranged towards the outer side on the side surface of the mold core main body 1, the V-shaped pressure relief groove 6 is of a symmetrical structure along the horizontal central line of the boss 5, so that the pretightening force tightened inwards when the mold core main body 1 is cooled is relieved uniformly, the pretightening force borne by the mold core main body 1 is relieved, the occurrence of crack of the mold core main body 1 is avoided, the tungsten carbide coating 8, the ceramic matrix composite coating 9 and the silicon trioxide coating 10 can improve the wear resistance, corrosion resistance and oxidation resistance of the mold core main body 1, and the service life of the mold.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a take metal mold core of exhaust function, includes mold core main part (1), its characterized in that: exhaust duct (2) have been seted up to the surface of mold core main part (1) to heat dissipation hole (4) have been seted up to the position that mold core main part (1) surface corresponds exhaust duct (2), and mold core main part (1) surface corresponds position fixedly connected with boss (5) of heat dissipation hole (4), and boss (5) keep away from the one side of mold core main part (1) and seted up pressure relief groove (6), the inner chamber fixedly connected with heat-conducting plate (3) of mold core main part (1), and cavity (7) have been seted up to the middle-end of mold core main part (1) inner chamber, and cavity (7) are linked together through heat dissipation hole (4) and exhaust duct (2).
2. The metal mold core with the air exhaust function according to claim 1, wherein: the outer surface of the mold core main body (1) is coated with a tungsten carbide coating (8), a ceramic matrix composite coating (9) and a silicon oxide coating (10) in sequence from inside to outside.
3. The metal mold core with the air exhaust function according to claim 1, wherein: the pressure relief groove (6) is a V-shaped groove with a transverse opening facing the side face of the mold core main body (1), and the depth of the pressure relief groove (6) is flush with the outer side wall of the mold core main body (1).
4. The metal mold core with the air exhaust function according to claim 1, wherein: the pressure relief groove (6) is in a symmetrical structure along the horizontal center line of the boss (5).
5. The metal mold core with the air exhaust function according to claim 1, wherein: the heat conducting plate (3) is a heat conducting silica gel plate or a heat conducting graphite sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084126.6U CN210233689U (en) | 2019-07-11 | 2019-07-11 | Metal mold core with exhaust function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921084126.6U CN210233689U (en) | 2019-07-11 | 2019-07-11 | Metal mold core with exhaust function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210233689U true CN210233689U (en) | 2020-04-03 |
Family
ID=69990663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921084126.6U Expired - Fee Related CN210233689U (en) | 2019-07-11 | 2019-07-11 | Metal mold core with exhaust function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210233689U (en) |
-
2019
- 2019-07-11 CN CN201921084126.6U patent/CN210233689U/en not_active Expired - Fee Related
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| 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: 20200403 |