CN204018687U - A kind of die casting of cylinder head cover - Google Patents
A kind of die casting of cylinder head cover Download PDFInfo
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- CN204018687U CN204018687U CN201420444905.3U CN201420444905U CN204018687U CN 204018687 U CN204018687 U CN 204018687U CN 201420444905 U CN201420444905 U CN 201420444905U CN 204018687 U CN204018687 U CN 204018687U
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- die casting
- die
- head cover
- cylinder head
- gate
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Abstract
The utility model discloses a kind of die casting of cylinder head cover, comprise connected upper die and lower die, it is characterized in that, described patrix is made up of upper framed and upper mold core, described counterdie is made up of low mold frame and lower mold core, described upper mold core and lower mold core fasten the die casting die cavity forming cylinder head cover, gate before lower mold core is provided with and is connected with die casting die cavity, rear gate and right gate, described front gate and rear gate are respectively equipped with corresponding front liquid injection pipe and rear liquid injection pipe, describedly framedly be provided with the spreader be connected with right gate, the left side of described low mold frame is provided with waste residue groove.The utility model, by the combined innovation of upper die and lower die and syndeton thereof, provides a kind of structure simple, production efficiency and qualification rate high, long service life, the cylinder head cover die casting that casting quality is good.
Description
Technical field
The utility model relates to die casting technical field, relates to a kind of die casting for casting of automobile cylinder cover of engine in particular.
Background technology
Automobile engine cylinder head casing, not only complex structure, and very high to quality requirement.Reduce or eliminate the sbrinkage blowhole of cylinder head cover inside, being not only the effective ways improving casting quality, is also the knotty problem in foundry engieering., because structure is unreasonable, there is the problem that production efficiency is low and qualification rate is low in mould structure in the market.But general structure of cast die of the prior art does not effectively solve the problem.Such as China Patent Publication No. CN 101537478 A, publication date on 09 23rd, 2009, the name of innovation and creation is called a kind of die-casting die casting system for magnesium alloy automobile engine cylinder head casing, this Patent Case discloses a kind of running gate system of cylinder head cover die casting, pass through sprue, sprue, cross gate, ingate, the combined innovation of overflow launder and air discharge duct, it is steady that this running gate system achieves press casting procedure filling, the smooth demoulding, but this Patent Case is by sprue, sprue, the running gate system of cross gate composition, what carry out die casting is one-sided casting of molten metal, there is the problem that production efficiency is low, and die-casting die cavity temperature in die casting is unbalanced, sbrinkage blowhole is there is in foundry goods, there is the problem that casting qualified rate is low.And for example Chinese patent Authorization Notice No. CN 203567107 U, authorized announcement date on 04 30th, 2014, the name of innovation and creation is called a kind of vehicle cylinder housing mould, this Patent Case discloses a kind of die casting of vehicle cylinder housing, by the combined innovation of firm banking, die cavity and exhaust apparatus, in process of production, avoid the difficulty that injection molding material enters mould afterbody, improve casting quality, but this Patent Case only has a set of exhaust apparatus, inject fast in mold cavity at molten metal, can not combustion gas in time, there is the problem that production efficiency is low.The utility model, by the combined innovation of upper die and lower die and syndeton thereof, provides a kind of structure simple, production efficiency and qualification rate high, long service life, the cylinder head cover die casting that casting quality is good.
Summary of the invention
The utility model solves general structure of cast die in prior art and does not effectively solve the problem that casting qualified rate is low and production efficiency is low, a kind of die casting of cylinder head cover is provided, by the combined innovation of upper die and lower die and syndeton thereof, it is simple that the die casting realizing this cylinder head cover has structure, production efficiency and qualification rate high, long service life, the feature that casting quality is good.
In order to solve the technical problem of above-mentioned existence, the utility model takes following technical proposals: a kind of die casting of cylinder head cover, comprise connected upper die and lower die, it is characterized in that, described patrix is made up of upper framed and upper mold core, described counterdie is made up of low mold frame and lower mold core, described upper mold core and lower mold core fasten the die casting die cavity forming cylinder head cover, gate before lower mold core is provided with and is connected with die casting die cavity, rear gate and right gate, described front gate and rear gate are respectively equipped with corresponding front liquid injection pipe and rear liquid injection pipe, describedly framedly be provided with the spreader be connected with right gate, the left side of described low mold frame is provided with waste residue groove.
When mounted, first respectively upper mold core is fixed on upper framed in, form die casting patrix, lower mold core is fixed in low mold frame, form die casting counterdie, then front liquid injection pipe and rear liquid injection pipe are fixed in low mold frame, and front liquid injection pipe is connected with front gate, rear liquid injection pipe is connected with rear gate, then spreader is fixed on upper framed on, finally upper die and lower die are connected, make spreader pass upper mold core, be connected with right gate, with regard to installation.When producing, the molten metal needed by die casting cylinder head cover injects along front liquid injection pipe, rear liquid injection pipe and spreader simultaneously, the a part premenstrual liquid injection pipe of molten metal and front gate, enter die casting die cavity, a part molten metal through after liquid injection pipe with after gate, enter die casting die cavity, a part of molten metal is through spreader and right gate, enter die casting die cavity, and unnecessary molten metal and some foreign material flow in waste residue groove.Front liquid injection pipe and front gate, structure is simple, and being connected with die casting die cavity, is the first injection liquid passage of this die casting; Rear liquid injection pipe and rear gate, structure is simple, and being connected with die casting die cavity, is second reservoir channel of this die casting; Spreader and right gate, structure is simple, and being connected with die casting die cavity, is the 3rd reservoir channel of this die casting; The utility model is combined by above-mentioned three reservoir channels, and inject molten metal, compared with general die casting, production efficiency improves greatly simultaneously; Three reservoir channels inject molten metal from three directions of die casting respectively, and compared with general die casting, the molten metal local temperature difference in die casting die cavity is less, and sbrinkage blowhole is less, greatly improves the qualification rate of foundry goods.In further design, front liquid injection pipe, rear liquid injection pipe and spreader arrange the controller of a fluid injection speed respectively, ensure that the molten metal in three reservoir channels converges in die casting die cavity simultaneously, reduce molten metal local temperature difference further, improve the qualification rate of foundry goods.
As preferably, described die casting also comprises right oil hydraulic cylinder and right slide block, and described right oil hydraulic cylinder is connected with low mold frame, and the piston rod of right oil hydraulic cylinder is connected with right slide block, and described right slide block is arranged between framed and low mold frame, is connected with die casting die cavity.In foundry goods cooling procedure, right oil hydraulic cylinder action, drives right slide block to stretch in mould, increases the pressure in die casting die cavity, reduces sbrinkage blowhole further, improves the qualification rate of foundry goods.
As preferably, described right slide block is provided with a right projection, is describedly framedly provided with the right groove suitable with right projection.Right projection and right groove combine, and to the conditional effect of right slide block tool, prevent right slide block from stretching into the degree of depth of die casting die cavity excessively dark, affect casting dimension, ensure the appearance and size of foundry goods.
As preferably, described die casting also comprises left oil hydraulic cylinder and left slider, and described left oil hydraulic cylinder is connected with low mold frame, and the piston rod of left oil hydraulic cylinder is connected with left slider, and described left slider is arranged between framed and low mold frame, is connected with die casting die cavity.In foundry goods cooling procedure, left oil hydraulic cylinder action, drives left slider to stretch in mould, increases the pressure in die casting die cavity, reduce sbrinkage blowhole, improve the qualification rate of foundry goods further.
As preferably, described left slider is provided with a left projection, is describedly framedly provided with the left groove suitable with left projection.Left projection and left groove combine, and to the conditional effect of left slider tool, prevent left slider from stretching into the degree of depth of die casting die cavity excessively dark, affect casting dimension, ensure the appearance and size of foundry goods.
As preferably, the front portion of described low mold frame is provided with two high pressure cooling units be connected with die casting die cavity.High pressure cooling unit, after cast casting is shaping, for the cooling of foundry goods, enhances productivity.
As preferably, the rear portion of described low mold frame is provided with the spraying assembly be connected with die casting die cavity.Before casting, formed the overlay film of thin layer by spraying assembly at the inwall of die casting die cavity, prevent foundry goods adhesive mould, extend the mold use life-span.
As preferably, described die casting also comprises four guide pillars, and described upper die and lower die are connected by guide pillar corresponding on four angles.Four guide pillars, improve the guidance quality of upper die and lower die, repeatedly repeatedly after die sinking and matched moulds, ensure the matching precision of upper die and lower die, improve the oeverall quality of foundry goods.
Owing to taking above-mentioned technical scheme, the die casting of a kind of cylinder head cover that the utility model provides has such beneficial effect: by the combined innovation of upper die and lower die and syndeton thereof, there is provided a kind of structure simple, production efficiency and qualification rate high, long service life, the cylinder head cover die casting that casting quality is good.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is that the A of the utility model accompanying drawing 1 is to enlarged drawing;
Accompanying drawing 3 is that the B of the utility model accompanying drawing 1 is to enlarged drawing;
Accompanying drawing 4 is a kind of structural representation of the utility model counterdie.
In figure: before upper framed 1 upper mold core 2 low mold frame 3 lower mold core 4 die casting die cavity 5, after gate 6, before the right gate of gate 78, the rear left groove 18 high pressure cooling unit 19 of right groove 15 left oil hydraulic cylinder 16 left slider 17 of the right slide block of the liquid injection pipe 10 spreader 11 waste residue right oil hydraulic cylinder 13 of groove 12 14 of liquid injection pipe 9 sprays assembly 20 guide pillar 21.
Detailed description of the invention
Accompanying drawings, is described in further detail of the present utility model:
Embodiment one: by reference to the accompanying drawings 1, 3 and 4, a kind of die casting of cylinder head cover, comprise connected upper die and lower die, patrix is made up of upper framed 1 and upper mold core 2, counterdie is made up of low mold frame 3 and lower mold core 4, upper mold core 2 and lower mold core 4 fasten the die casting die cavity 5 forming cylinder head cover, gate 6 before lower mold core 4 is provided with and is connected with die casting die cavity 5, rear gate 7 and right gate 8, front gate 6 and rear gate 7 are respectively equipped with corresponding front liquid injection pipe 9 and rear liquid injection pipe 10, upper framed 1 is provided with the spreader 11 be connected with right gate 8, the left side of low mold frame 3 is provided with waste residue groove 12.
When mounted, first respectively upper mold core is fixed on upper framed in, form die casting patrix, lower mold core is fixed in low mold frame, form die casting counterdie, then front liquid injection pipe and rear liquid injection pipe are fixed in low mold frame, and front liquid injection pipe is connected with front gate, rear liquid injection pipe is connected with rear gate, then spreader is fixed on upper framed on, finally upper die and lower die are connected, make spreader pass upper mold core, be connected with right gate, with regard to installation.When producing, the molten metal needed by die casting cylinder head cover injects along front liquid injection pipe, rear liquid injection pipe and spreader simultaneously, the a part premenstrual liquid injection pipe of molten metal and front gate, enter die casting die cavity, a part molten metal through after liquid injection pipe with after gate, enter die casting die cavity, a part of molten metal is through spreader and right gate, enter die casting die cavity, and unnecessary molten metal and some foreign material flow in waste residue groove.
Embodiment two: by reference to the accompanying drawings 1, 2, 3, 4, a kind of die casting of cylinder head cover, comprise patrix, counterdie, right oil hydraulic cylinder 13, right slide block 14, left oil hydraulic cylinder 16, left slider 17 and four guide pillars 21, upper die and lower die are connected by guide pillar 21 corresponding on four angles, patrix is made up of upper framed 1 and upper mold core 2, counterdie is made up of low mold frame 3 and lower mold core 4, upper mold core 2 and lower mold core 4 fasten the die casting die cavity 5 forming cylinder head cover, gate 6 before lower mold core 4 is provided with and is connected with die casting die cavity 5, rear gate 7 and right gate 8, front gate 6 and rear gate 7 are respectively equipped with corresponding front liquid injection pipe 9 and rear liquid injection pipe 10, upper framed 1 is provided with the spreader 11 be connected with right gate 8, the left side of low mold frame 3 is provided with waste residue groove 12, right oil hydraulic cylinder 13 is connected with low mold frame 3, the piston rod of right oil hydraulic cylinder 13 is connected with right slide block 14, right slide block 14 is arranged between framed 1 and low mold frame 3, be connected with die casting die cavity 5, right slide block 14 is provided with a right projection, upper framed 1 is provided with the right groove 15 suitable with right projection, left oil hydraulic cylinder 16 is connected with low mold frame 3, the piston rod of left oil hydraulic cylinder 16 is connected with left slider 17, left slider 17 is arranged between framed 1 and low mold frame 3, be connected with die casting die cavity 5, left slider 17 is provided with a left projection, upper framed 1 is provided with the left groove 18 suitable with left projection, the front portion of low mold frame 3 is provided with two high pressure cooling units 19 be connected with die casting die cavity 5, the spraying assembly 20 be connected with die casting die cavity 5.
Above-described two specific embodiments, are described in detail the utility model.Apply specific embodiment herein to set forth principle of the present utility model and embodiment, the explanation of embodiment just understands core concept of the present utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model core concept; some modifications can also be carried out to the utility model; the thickness etc. of the size of such as waste residue groove, the concrete technical parameter of two oil hydraulic cylinders and four leads carries out the combination that some amendments or claims carry out some feasibilities, within the protection domain that should drop on the utility model claim.
Claims (8)
1. the die casting of a cylinder head cover, comprise connected upper die and lower die, it is characterized in that, described patrix is made up of upper framed (1) and upper mold core (2), described counterdie is made up of low mold frame (3) and lower mold core (4), described upper mold core (2) and lower mold core (4) fasten the die casting die cavity (5) forming cylinder head cover, lower mold core (4) is provided with the front gate (6) be connected with die casting die cavity (5), rear gate (7) and right gate (8), described front gate (6) and rear gate (7) are respectively equipped with corresponding front liquid injection pipe (9) and rear liquid injection pipe (10), described framed (1) is provided with the spreader (11) be connected with right gate (8), the left side of described low mold frame (3) is provided with waste residue groove (12).
2. the die casting of a kind of cylinder head cover according to claim 1, it is characterized in that, described die casting also comprises right oil hydraulic cylinder (13) and right slide block (14), described right oil hydraulic cylinder (13) is connected with low mold frame (3), the piston rod of right oil hydraulic cylinder (13) is connected with right slide block (14), described right slide block (14) is arranged between framed (1) and low mold frame (3), is connected with die casting die cavity (5).
3. the die casting of a kind of cylinder head cover according to claim 2, is characterized in that, described right slide block (14) is provided with a right projection, and described framed (1) is provided with the right groove (15) suitable with right projection.
4. the die casting of a kind of cylinder head cover according to claim 1, it is characterized in that, described die casting also comprises left oil hydraulic cylinder (16) and left slider (17), described left oil hydraulic cylinder (16) is connected with low mold frame (3), the piston rod of left oil hydraulic cylinder (16) is connected with left slider (17), described left slider (17) is arranged between framed (1) and low mold frame (3), is connected with die casting die cavity (5).
5. the die casting of a kind of cylinder head cover according to claim 4, is characterized in that, described left slider (17) is provided with a left projection, and described framed (1) is provided with the left groove (18) suitable with left projection.
6. the die casting of a kind of cylinder head cover according to claim 1, is characterized in that, the front portion of described low mold frame (3) is provided with two high pressure cooling units (19) be connected with die casting die cavity (5).
7. the die casting of a kind of cylinder head cover according to claim 1, is characterized in that, the rear portion of described low mold frame (3) is provided with the spraying assembly (20) be connected with die casting die cavity (5).
8. the die casting of a kind of cylinder head cover according to claim 1, is characterized in that, described die casting also comprises four guide pillars (21), and described upper die and lower die are connected by guide pillar (21) corresponding on four angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444905.3U CN204018687U (en) | 2014-08-08 | 2014-08-08 | A kind of die casting of cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444905.3U CN204018687U (en) | 2014-08-08 | 2014-08-08 | A kind of die casting of cylinder head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204018687U true CN204018687U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420444905.3U Expired - Fee Related CN204018687U (en) | 2014-08-08 | 2014-08-08 | A kind of die casting of cylinder head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204018687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625087A (en) * | 2019-09-26 | 2019-12-31 | 浙江华朔科技股份有限公司 | Die casting die of integrated water pipe in take-up housing bottom |
-
2014
- 2014-08-08 CN CN201420444905.3U patent/CN204018687U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625087A (en) * | 2019-09-26 | 2019-12-31 | 浙江华朔科技股份有限公司 | Die casting die of integrated water pipe in take-up housing bottom |
| CN110625087B (en) * | 2019-09-26 | 2022-03-11 | 浙江华朔科技股份有限公司 | Die casting die of integrated water pipe in take-up housing bottom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141217 Termination date: 20180808 |